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Diffstat (limited to 'gold/ChangeLog-0815')
| -rw-r--r-- | gold/ChangeLog-0815 | 18139 |
1 files changed, 18139 insertions, 0 deletions
diff --git a/gold/ChangeLog-0815 b/gold/ChangeLog-0815 new file mode 100644 index 0000000..1767933 --- /dev/null +++ b/gold/ChangeLog-0815 @@ -0,0 +1,18139 @@ +2015-12-17 Peter Collingbourne <pcc@google.com> + + PR gold/18780 + * arm.cc (Target_arm::do_make_data_plt): Choose PLT generator based + on value of --long-plt flag. + (Output_data_plt_arm_standard::do_get_plt_entry_size): Moved to + Output_data_plt_arm_short. + (Output_data_plt_arm_standard::do_fill_plt_entry): Likewise. + (Output_data_plt_arm_standard::plt_entry): Likewise. + (Output_data_plt_arm_standard::do_fill_first_plt_entry): Fix + variable reference. + (Output_data_plt_arm_short): New class. + (Output_data_plt_arm_short::do_fill_plt_entry): Error out on too large + PLT offsets instead of asserting. + (Output_data_plt_arm_long): New class. + * options.h (General_options): Define --long-plt flag. + +2015-12-16 Roland McGrath <mcgrathr@google.com> + + PR ld/17473 + * binary.cc: Move #include "safe-ctype.h" to be last #include. + +2015-12-13 Cary Coutant <ccoutant@gmail.com> + + * object.h (Object::get_output_view): remove const from return type. + (Object::do_get_output_view): Likewise. + (Sized_relobj_file::do_get_output_view): Likewise. + * reloc.cc (Sized_relobj_file::do_get_output_view): Likewise. + +2015-12-11 Cary Coutant <ccoutant@gmail.com> + + * target.h (Target::calls_non_split): Add prelocs, reloc_count + parameters. + (Target::do_calls_non_split): Likewise. + * target.cc (Target::do_calls_non_split): Likewise. + * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Adjust + call to Target::calls_non_split. + * i386.cc (Target_i386::do_calls_non_split): Add prelocs, reloc_count + parameters. + * powerpc.cc (Target_powerpc::do_calls_non_split): Likewise. + * x86_64.cc (Target_x86_64::do_calls_non_split): Likewise. + +2015-12-11 Cary Coutant <ccoutant@gmail.com> + + * object.cc (Sized_relobj_file::Sized_relobj_file): Initialize + output_views_. + * object.h (Object::get_output_view): New function. + (Object::do_get_output_view): New function. + (Sized_relobj_file::do_get_output_view): New function. + (Sized_relobj_file::output_views_): New data member. + * reloc.cc: (Sized_relobj_file::do_relocate): Store pointer to + output views in class object. + (Sized_relobj_file::do_get_output_view): New function. + +2015-12-10 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/19317 + * symtab.cc (Symbol_table::add_from_relobj): Don't complain + plugin needed to handle slim lto object for relocatable link. + +2015-12-09 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Relocate::relocate): New constant + d_offset. Use throughout. + (Target_powerpc::relocate_relocs): Likewise. + +2015-12-09 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Relocate::relocate): Edit ELFv2 + entry code. + (Target_powerpc::relocate_relocs): Edit relocs to suit. + +2015-12-09 Alan Modra <amodra@gmail.com> + + * object.h (struct Relocate_info): Add "rr". + * reloc.h (Relocatable_relocs::set_strategy): New accessor. + * reloc.cc (Sized_relobj_file::do_relocate_sections): Init + relinfo.rr for relocate_section and relocate_relocs. + * powerpc.cc (relocate): Add rel_type and preloc parameters. + Delete rela and r_type params, instead recalculate these from + preloc. + (relocate_relocs): Delete Relocatable_relocs* param, instead + use relinfo->rr. + * aarch64.cc: Likewise. + * arm.cc: Likewise. + * i386.cc: Likewise. + * mips.cc: Likewise. + * s390.cc: Likewise. + * sparc.cc: Likewise. + * target.h: Likewise. + * tilegx.cc: Likewise. + * x86_64.cc: Likewise. + * testsuite/testfile.cc: Likewise. + * target-reloc.h (relocate_section): Adjust to suit. + (apply_relocation, relocate_relocs): Likewise. + +2015-12-07 Alan Modra <amodra@gmail.com> + + * powerpc.cc (add_2_2_12, ld_2_12, lis_2): Define. + (Target_powerpc::Scan::local, global): Handle R_PPC64_ENTRY. + (Target_powerpc::Relocate::relocate): Edit code at R_PPC64_ENTRY. + +2015-12-03 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com> + + * object.cc (Sized_relobj::do_for_all_local_got_entries): Use + Local_got_entry_key for searching in local_got_offsets_. + * object.h (class Local_got_entry_key): New class. + (Relobj::local_has_got_offset): New overloaded method. + (Relobj::local_got_offset): Likewise. + (Relobj::set_local_got_offset): Likewise. + (Relobj::do_local_has_got_offset): Add addend argument. + (Relobj::do_local_got_offset): Likewise. + (Relobj::do_set_local_got_offset): Likewise. + (Sized_relobj::do_local_has_got_offset): Add addend argument, and use + Local_got_entry_key for searching through local_got_offsets_. + (Sized_relobj::do_local_got_offset): Likewise. + (Sized_relobj::do_set_local_got_offset): Likewise. + (Sized_relobj::Local_got_offsets): Change type of the key from + unsigned int to Local_got_entry_key, and add hash and equal_to. + * output.cc (Got_entry::write): Take addend into account for + calculating value of the local symbol for GOT. + (Output_data_got::add_local): New definition of overloaded method. + (Output_data_got::add_local_with_rel): Likewise. + (Output_data_got::add_local_pair_with_rel): Likewise. + * output.h (Output_data_got::add_local): New declaration of overloaded + method. + +2015-11-25 Cary Coutant <ccoutant@gmail.com> + + PR gold/19291 + * object.cc (Sized_relobj_file::write_local_symbols): If relocatable, + subtract section address from symbol value. + +2015-11-25 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Output_data_got_powerpc::Output_data_got_powerpc): Align + to 256 byte boundary. + +2015-11-19 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Correct + GOT16 and TOC16 relocs to RELATIVE_REF. + +2015-11-14 Cary Coutant <ccoutant@gmail.com> + + PR gold/19244 + PR gold/18548 + * symtab.cc (Symbol_table::do_define_in_output_data): Check for forced + local symbols only for predefined symbols. + +2015-11-11 Alan Modra <amodra@gmail.com> + Peter Bergner <bergner@vnet.ibm.com> + + * powerpc.cc (Powerpc_relocate_functions::addr16_dq): New function. + (Powerpc_relocate_functions::addr16dx_ha): Likewise. + (Target_powerpc::Scan::local): Handle R_POWERPC_REL16DX_HA. + (Target_powerpc::Scan::global): Likewise. + (Target_powerpc::Relocate::relocate): Likewise. + +2015-11-09 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com> + + * layout.h (Layout::is_debug_info_section): Recognize .pdr debug + sections. + +2015-11-09 Cary Coutant <ccoutant@gmail.com> + Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com> + + * copy-relocs.h (Copy_relocs::copy_reloc): Replace reloc parameter + with type, offset, addend. + (Copy_relocs::save): Likewise. + * copy-relocs.cc (Copy_relocs::copy_reloc): Likewise. + (Copy_relocs::save): Likewise. + * aarch64.cc (Target_aarch64::copy_reloc): Pass r_type, r_offset, + and r_addend to Copy_relocs::copy_reloc. + * arm.cc (Target_arm::copy_reloc): Likewise. + * i386.cc (Target_i386::copy_reloc): Likewise. + * mips.cc (Target_mips::copy_reloc): Likewise. + * powerpc.cc (Target_powerpc::copy_reloc): Likewise. + * s390.cc (Target_s390::copy_reloc): Likewise. + * sparc.cc (Target_sparc::copy_reloc): Likewise. + * tilegx.cc (Target_tilegx::copy_reloc): Likewise. + * x86_64.cc (Target_x86_64::copy_reloc): Likewise. + +2015-11-05 Cary Coutant <ccoutant@gmail.com> + + PR gold/19119 + PR gold/19172 + PR gold/19197 + Revert commit 6457197210144f50a696097c0d308d81d46d5510: + 2015-10-16 H.J. Lu <hongjiu.lu@intel.com> + * options.h (General_options): Remove "obsolete" from -m. + * parameters.cc (set_parameters_target): Check if input target + is compatible with output emulation set by "-m emulation". + +2015-11-05 Cary Coutant <ccoutant@gmail.com> + + PR gold/19163 + * aarch64.cc (Target_aarch64::Relocate::relocate): Don't apply + certain relocations if --no-apply-dynamic-relocs is set. + * options.h (--apply-dynamic-relocs): New aarch64-specific option. + +2015-11-03 Alan Modra <amodra@gmail.com> + + * po/POTFILES.in: Regenerate. + +2015-10-30 Nick Clifton <nickc@redhat.com> + + * po/zh_CN.po: New (simplified) Chinese translation. + +2015-10-29 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/19184 + * incremental.cc (Got_plt_view_info): Add got_entry_size. + (Local_got_offset_visitor::visit): Replace got_entry_size_ + with info_.got_entry_size. + (Local_got_offset_visitor::got_entry_size_): Removed. + (Global_got_offset_visitor::visit): Replace got_entry_size_ + with info_.got_entry_size. + (Global_got_offset_visitor::got_entry_size_): Removed. + (Output_section_incremental_inputs::write_got_plt): Initialize + view_info.got_entry_size. + * target.h (Sized_target::got_entry_size): New virtual function. + * x86_64.cc (Target_x86_64::got_entry_size): New function. + +2015-10-28 Marcin Kościelnicki <koriakin@0x04.net> + + * testsuite/binary_test.cc: Add __attribute__((aligned(1))). + * testsuite/script_test_12a.c: Likewise. + * testsuite/script_test_1a.cc: Likewise. + * testsuite/script_test_2.cc: Likewise. + +2015-10-28 Marcin Kościelnicki <koriakin@0x04.net> + + * testsuite/debug_msg.sh: Accept more fuzz in line numbers. + +2015-10-28 Marcin Kościelnicki <koriakin@0x04.net> + + PR gold/18959 + * stringpool.cc (Stringpool_template::new_key_offset): Align all + strings, even zero-length. + (Stringpool_template::set_string_offsets): Likewise. + +2015-10-28 Marcin Kościelnicki <koriakin@0x04.net> + + * s390.cc: New file. + * Makefile.am (TARGETSOURCES): Add s390.cc. + (ALL_TARGETOBJS): Add s390.o. + * Makefile.in: Regenerate. + * configure.ac: Add s390 support. + * configure: Regenerate. + * configure.tgt: Add s390-*-* and s390x-*-*. + * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Add s390 + support. + +2015-10-28 Marcin Kościelnicki <koriakin@0x04.net> + + * archive.cc (Archive::sym64name): New const. + (Archive::setup): Add support for SYM64 armap. + (Archive::read_armap): Likewise. + (Archive::interpret_header): Likewise. + (Archive::const_iterator::read_next_header): Likewise. + * archive.h (Archive::sym64name): New const. + (Archive::read_armap): Add mapsize template parameter. + +2015-10-28 Marcin Kościelnicki <koriakin@0x04.net> + + * dynobj.cc (Dynobj::create_elf_hash_table): Create hash table with + target-specific entry size. + (Dynobj::sized_create_elf_hash_table): Add size template parameter. + * dynobj.h (Dynobj::sized_create_elf_hash_table): Likewise. + * layout.cc (Layout::create_dynamic_symtab): Set entsize to + hash_entry_size. + * target.h (Target::hash_entry_size): New method. + (Target::Target_info::hash_entry_size): New data member. + + * aarch64.cc (Target_aarch64::aarch64_info): Add hash_entry_size. + * arm.cc (Target_arm::arm_info): Likewise. + (Target_arm_nacl::arm_nacl_info): Likewise. + * i386.cc (Target_i386::i386_info): Likewise. + (Target_i386_nacl::i386_nacl_info): Likewise. + (Target_iamcu::iamcu_info): Likewise. + * mips.cc (Target_mips::mips_info): Likewise. + (Target_mips_nacl::mips_nacl_info): Likewise. + * powerpc.cc (Target_powerpc::powerpc_info): Likewise. + * sparc.cc (Target_sparc::sparc_info): Likewise. + * tilegx.cc (Target_tilegx::tilegx_info): Likewise. + * x86_64.cc (Target_x86_64::x86_64_info): Likewise. + (Target_x86_64_nacl::x86_64_nacl_info): Likewise. + * testsuite/testfile.cc (Target_test::test_target_info): Likewise. + +2015-10-28 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/19177 + * i386.cc (Target_i386::Relocate::relocate): Check R_386_GOT32 + and R_386_GOT32X relocations without base register. + +2015-10.27 Han Shen <shenhan@google.com> + + PR gold/19042 - unsupported reloc 311/312. + + * aarch64.cc (Target_aarch64::Scan::local): Add support for + reloc 311/312. + +2015-10-22 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags): + Treat R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX the same + as R_X86_64_GOTPCREL. + (Target_x86_64<size>::Scan::local): Likewise. + (Target_x86_64<size>::Scan::possible_function_pointer_reloc): + Likewise. + (Target_x86_64<size>::Scan::global): Likewise. + (Target_x86_64<size>::Relocate::relocate): Likewise. + (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2015-10-22 H.J. Lu <hongjiu.lu@intel.com> + + * i386.cc (Target_i386::Scan::get_reference_flags(): Treat + R_386_GOT32X the same as R_386_GOT32. + (Target_i386::Scan::local): Likewise. + (Target_i386::Scan::possible_function_pointer_reloc): Likewise. + (Target_i386::Scan::global): Likewise. + (Target_i386::Relocate::relocate): Likewise. + (Target_i386::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2015-10-20 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (x86_64_mov_to_lea11): Replace + x86_64_mov_to_lea1.o with x86_64_mov_to_lea2.o. + (x86_64_mov_to_lea12): Replace x86_64_mov_to_lea2.o with + x86_64_mov_to_lea1.o. + * testsuite/Makefile.in: Regenerated. + +2015-10-16 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/19119 + * options.h (General_options): Remove "obsolete" from -m. + * parameters.cc (set_parameters_target): Check if input target + is compatible with output emulation set by "-m emulation". + +2015-10-13 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/19118 + * i386.cc (Target_iamcu): New class. + (Target_selector_iamcu): Likewise. + (Target_iamcu::iamcu_info): New variable. + (target_selector_iamcu): Likewise. + +2015-10-07 Andreas Schwab <schwab@suse.de> + + * aarch64.cc (aarch64_info): Set abi_pagesize to 64K. + +2015-10-06 Cary Coutant <ccoutant@gmail.com> + + PR gold/18855 + * sparc.cc (Sparc_relocate_functions::gdop_hix22): Remove addend + parameter. + (Sparc_relocate_functions::gdop_lox10): Likewise. + (Target_sparc::Relocate::relocate): Use addend when computing + symbol value for R_SPARC_GOTDATA_OP*. + +2015-09-07 Cary Coutant <ccoutant@gmail.com> + + PR gold/18930 + PR gold/18886 + * resolve.cc (Symbol::override_base): Don't convert IFUNC symbols here. + * symtab.cc (Symbol_table::add_from_dynobj): Convert them here instead. + +2015-09-02 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/18886 + * resolve.cc (Symbol::override_base): Turn IFUNC symbols from + shared libraries into normal FUNC symbols. + * symtab.cc (Symbol_table::sized_write_symbol): Assert IFUNC + symbols aren't from shared libraries. + +2015-09-02 Alan Modra <amodra@gmail.com> + + PR 18878 + * powerpc.cc (Target_powerpc): Add savres_section_ and accessor. + (Target_powerpc::Branch_info::make_stub): Determine whether long + branch stub is for save/restore function. + (Branch_stub_ent): Add save_res_, and extra parm to constructor. + (Stub_table): Add need_save_res_. + (Stub_table:clear_stubs): Clear need_save_res_. + (Stub_table:set_address_and_size): Add save/restore section size. + (Stub_table::add_long_branch_entry): Add save_res param. Set + need_save_res_, but don't add space for save/restore stubs. + (Stub_table::find_long_branch_entry): Return offset to local copy + of save/restore func. + (Stub_table::do_write): Don't output save/restore stubs. Instead + copy the save/restore functions. + (Output_data_save_res:contents): New accessor. + (Target_powerpc::define_save_restore_funcs): Set savres_section_. + +2015-08-25 Cary Coutant <ccoutant@gmail.com> + + PR gold/18847 + * script-sections.cc (Memory_region::set_address): New method. + (Script_sections::find_memory_region): Add explicit_only parameter. + (Output_section_definition::set_section_addresses): Handle case where + script specifies both address and vma region. + * script-sections.h (Script_sections::find_memory_region): Add + explicit_only parameter. + +2015-08-25 Cary Coutant <ccoutant@gmail.com> + + PR gold/18859 + * object.cc (Input_objects::add_object): Store objects in a map, + indexed by soname; update as-needed flag when necessary. + * object.h (Object::clear_as_needed): New method. + (Input_objects::so_names_): Change from set to map. + +2015-08-25 Cary Coutant <ccoutant@gmail.com> + + PR gold/14746 + * expression.cc (Expression::Expression_eval_info): Add + is_valid_pointer field. + (Expression::eval_maybe_dot): Add is_valid_pointer parameter. + Adjust all callers. + (Addr_expression::value_from_output_section): Check whether address + is valid. + * script.cc (Symbol_assignment::set_if_absolute): Defer assignment + if evaluation failed due to address that is not yet valid. + * script.h: (Expression::eval_maybe_dot): Add is_valid_pointer + parameter. + +2015-08-25 Cary Coutant <ccoutant@gmail.com> + + PR gold/18866 + PR gold/18703 + * symtab.cc (Symbol_table): Reorder conditions to avoid internal error. + +2015-08-20 Alan Modra <amodra@gmail.com> + + PR gold/18846 + * target-reloc.h (relocate_relocs <RELOC_ADJUST_FOR_SECTION_RELA>): + Subtract os->address() from addend. + * powerpc.cc (relocate_relocs): Likewise. + +2015-08-12 Simon Dardis <simon.dardis@imgtec.com> + + * mips.cc (plt0_entry_o32, plt0_entry_n32, plt0_entry_n64, + lazy_stub_normal_1, lazy_stub_normal_1_n64, + lazy_stub_normal_2, lazy_stub_normal_2_n64, lazy_stub_big, + lazy_stub_big_n64, lazy_stub_micromips32_normal_1_n64, + lazy_stub_micromips32_normal_2_n64, lazy_stub_micromips32_big, + lazy_stub_micromips32_big_n64): Update to use 'or' for move instead + of 'addu/daddu'. + +2015-07-27 H.J. Lu <hongjiu.lu@intel.com> + + * configure: Regenerated. + +2015-07-26 Doug Kwan <dougkwan@google.com> + + * testsuite/arm_unaligned_reloc.{s,sh}: Make test less sensitive to + disassembler output format. + +2015-07-23 Ian Coolidge <icoolidge@google.com> + Plumb --pic-veneer option for gold. + + * arm.cc (Reloc_stub::stub_type_for_reloc): Plumb to stub + generation. + * options.h (General_options): Add --pic-veneer option. + +2015-07-22 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/18663 + * testsuite/Makefile.am (script_test_1_SOURCES): Set to + script_test_1a.cc script_test_1b.cc. + (script_test_11_r.o): Replace script_test_11.o with + script_test_11a.o script_test_11b.o. + (script_test_11.o): Removed. + (script_test_11a.o): New. + (script_test_11b.o): Likewise. + * testsuite/Makefile.in: Regenerated. + * testsuite/script_test_1.h: New file. + * testsuite/script_test_1b.cc: Likewise. + * testsuite/script_test_11.h: Likewise. + * testsuite/script_test_11b.c: Likewise. + * testsuite/script_test_1.cc: Renamed to ... + * testsuite/script_test_1a.cc: This. + Include "script_test_1.h". + (main): Call check_int and check_ptr. + * testsuite/script_test_11.c: Renamed to ... + * testsuite/script_test_11a.c: This. + Include "script_test_11.h". + (main): Call ptr_equal. + +2015-07-22 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/18628 + * testsuite/ifuncdep2.c (global): Change protected to hidden. + * testsuite/ifuncmod1.c (global): Likewise. + * testsuite/ifuncmod5.c (global): Likewise. + +2015-07-22 Alan Modra <amodra@gmail.com> + + * aarch64.cc (try_fix_erratum_843419_optimized): Warning fix. + +2015-07-21 Cary Coutant <ccoutant@gmail.com> + + PR gold/18548 + * symtab.cc (Symbol_table::do_define_in_output_data): Check for + forced local symbol even when oldsym != NULL. + (Symbol_table::do_define_in_output_segment): Likewise. + (Symbol_table::do_define_as_constant): Likewise. + +2015-07-21 Cary Coutant <ccoutant@gmail.com> + + PR gold/18698 + * archive.cc (Library_base::should_include_member): Don't use entry + point for relocatable links, or if target is not yet valid. + * parameters.cc (Parameters::entry): Check target_valid(). + +2015-07-20 Han Shen <shenhan@google.com> + + Optimize erratum 843419 fix. + + * aarch64.cc (AArch64_insn_utilities::is_adr): New method. + (AArch64_insn_utilities::aarch64_adr_encode_imm): New method. + (AArch64_insn_utilities::aarch64_adrp_decode_imm): New method. + (E843419_stub): New sub-class of Erratum_stub. + (AArch64_relobj::try_fix_erratum_843419_optimized): New method. + (AArch64_relobj::section_needs_reloc_stub_scanning): Try optimized fix. + (AArch64_relobj::create_erratum_stub): Add 1 argument. + (Target_aarch64::scan_erratum_843419_span): Pass in adrp insn offset. + +2015-07-20 Han Shen <shenhan@google.com> + + Fix arm elf header flags wrt hardfp bit. + + * arm.cc (Target_arm::do_adjust_elf_header): Set flags into view. + +2015-07-20 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/18689 + * layout.cc (Layout::layout): Clear the SHF_COMPRESSED flag bit + from input group section for relocatable link. + * testsuite/Makefile.am (check_SCRIPTS): Add pr18689.sh. + (check_DATA): Add pr18689.stdout. + (MOSTLYCLEANFILES): Add pr18689a.o pr18689b.o. + (pr18689.stdout): New rule. + (pr18689a.o): Likewise. + (pr18689b.o): Likewise. + (pr18689.o): Likewise. + * testsuite/pr18689.c: New file. + * testsuite/pr18689.sh: Likewise. + * testsuite/Makefile.in: Regenerated. + +2015-07-20 Yiran Wang <yiran@google.com> + Cary Coutant <ccoutant@gmail.com> + + PR gold/15574 + * resolve.cc (Symbol_table): Remove warning about references + from shared objects to hidden symbols. + * testsuite/Makefile.am (hidden_test): Add hidden_test.syms. + * testsuite/Makefile.in: Regenerate. + * testsuite/hidden_test.sh: Check dynamic symbol table; update + expected error messages. + +2015-07-14 H.J. Lu <hongjiu.lu@intel.com> + + * compressed_output.cc (Output_compressed_section::set_final_data_size): + Make --compress-debug-sections=zlib the same as + --compress-debug-sections=zlib-gabi. + * testsuite/Makefile.am (flagstest_compress_debug_sections.check): + Expect ".debug_.*" with the SHF_COMPRESSED bit, instead of + ".zdebug_". + * testsuite/Makefile.in: Regenerated. + +2015-07-12 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/18322 + * compressed_output.cc (zlib_compress): Add argument for + compression header size. Set header size to compression header + size if it isn't 0. Don't write out the zlib header here. + (Output_compressed_section::set_final_data_size): Support + zlib-gnu and zlib-gabi compressions. Pass compression header + size to zlib_compress and write out compression header. Set + the SHF_COMPRESSED bit for zlib-gabi compression. Otherwise + clear the SHF_COMPRESSED bit + * options.h (compress_debug_sections): Add zlib-gnu and + zlib-gabi. + * output.h (Output_section::set_flags): New. + * testsuite/Makefile.am (check_PROGRAMS): Add + flagstest_compress_debug_sections_none, + flagstest_compress_debug_sections_gnu and + flagstest_compress_debug_sections_gabi. + (check_DATA): Add flagstest_compress_debug_sections_none.stdout. + flagstest_compress_debug_sections.stdout, + flagstest_compress_debug_sections.cmp, + flagstest_compress_debug_sections.check, + flagstest_compress_debug_sections_gnu.stdout, + flagstest_compress_debug_sections_gnu.cmp, + flagstest_compress_debug_sections_gnu.check, + flagstest_compress_debug_sections_gabi.stdout, + flagstest_compress_debug_sections_gabi.cmp and + flagstest_compress_debug_sections_gabi.check. + (flagstest_compress_debug_sections_none): New. + (flagstest_compress_debug_sections_none.stdout): Likewise. + (flagstest_compress_debug_sections.stdout): Likewise. + (flagstest_compress_debug_sections.check): Likewise. + (flagstest_compress_debug_sections.cmp): Likewise. + (flagstest_compress_debug_sections_gnu): Likewise. + (flagstest_compress_debug_sections_gnu.stdout): Likewise. + (flagstest_compress_debug_sections_gnu.check): Likewise. + (flagstest_compress_debug_sections_gnu.cmp): Likewise. + (flagstest_compress_debug_sections_gabi): Likewise. + (flagstest_compress_debug_sections_gabi.stdout): Likewise. + (flagstest_compress_debug_sections_gnu.check): Likewise. + (flagstest_compress_debug_sections_gnu.cmp): Likewise. + * testsuite/Makefile.in: Regenerated. + +2015-07-12 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/18321 + * compressed_output.h (decompress_input_section): Add arguments + for ELF class, big endian and sh_flags. + * compressed_output.cc (decompress_input_section): Likewise. + Support the SHF_COMPRESSED section. + * dynobj.h (Dynobj): Add elfsize and is_big_endian member + functions. + * plugin.h (Pluginobj): Likewise. + * layout.cc (Layout::get_output_section_flags): Also clear the + SHF_COMPRESSED bit. + * object.h (Compressed_section_info): Add flag to store sh_flags. + (Object): Add pure virtual elfsize and is_big_endian member + functions. + * object.cc (need_decompressed_section): Don't skip the ".zdebug" + prefix here. + (build_compressed_section_map): Check SHF_COMPRESSED for + uncompressed size. Store sh_flags in Compressed_section_info. + Pass size, big_endian and sh_flags to decompress_input_section. + Skip the ".debug"/".zdebug" prefix when passing section name to + need_decompressed_section. + (Sized_relobj_file<size, big_endian>::do_find_special_section): + Don't check ".zdebug_*" sections. + (Object::decompressed_section_contents): Pass ELF class, big + endian and sh_flags to decompress_input_section. + * reloc.cc (Sized_relobj_file<size, big_endian>::write_sections): + Likewise. + * testsuite/Makefile.am (check_DATA): Add + debug_msg_cdebug_gabi.err and gdb_index_test_2_gabi.stdout. + (MOSTLYCLEANFILES): Add debug_msg_cdebug_gabi.err and + gdb_index_test_2_gabi.stdout. + (debug_msg_cdebug_gabi.o): New. + (odr_violation1_cdebug_gabi.o): Likewise. + (odr_violation2_cdebug_gabi.o): Likewise. + (debug_msg_cdebug_gabi.err): Likewise. + (check_SCRIPTS): Add gdb_index_test_2_gabi.sh. + (gdb_index_test_cdebug_gabi.o): Likewise. + (gdb_index_test_2_gabi): Likewise. + (gdb_index_test_2_gabi.stdout): Likewise. + * testsuite/gdb_index_test_2_gabi.sh: New file. + * testsuite/Makefile.in: Regenerated. + +2015-07-09 Han Shen <shenhan@google.com> + + Use "gold_info" instead of "gold_warning" for erratum fix. + + * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Use + 'gold_info'. + (Target_aarch64::scan_erratum_835769_span): USe 'gold_info'. + +2015-07-09 Han Shen <shenhan@google.com> + + Drop missing symbol warning for arm/aarch64. + + * aarch64.cc (AArch64_relobj::scan_errata): Drop missing symbol warning. + * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Drop missing + symbol warning. + +2015-07-07 Han Shen <shenhan@google.com> + + Make gold aarch64 accept long form of mapping symbols. + + * aarch64.cc (AArch64_relobj::do_count_local_symbols): Make legal + of mapping symbols. + +2015-06-29 Doug Kwan <dougkwan@google.com> + + * testsuite/arm_bl_out_of_range.s: Align stub table so that it appears + at address expected by test. + * testsuite/arm_cortex_a8_b.s: Ditto. + * testsuite/arm_cortex_a8_b_cond.s: Ditto. + * testsuite/arm_cortex_a8_bl.s: Ditto. + * testsuite/arm_cortex_a8_blx.s: Ditto. + * testsuite/arm_cortex_a8_local.s: Ditto. + * testsuite/arm_fix_v4bx.s: Ditto. + * testsuite/arm_unaligned_reloc.s: Ditto. + * testsuite/thumb_bl_out_of_range.s: Ditto. + * testsuite/thumb_bl_out_of_range_local.s: Ditto. + * testsuite/thumb_blx_out_of_range.s: Ditto. + +2015-06-29 Han Shen <shenhan@google.com> + + Patch for erratum 843419 internal error. + + * aarch64.cc (Erratum_stub::Insn_utilities): New typedef. + (Erratum_stub::update_erratum_insn): New method. + (Stub_table::relocate_stubs): Modified to place relocated insn. + (AArch64_relobj::fix_errata): Modified gold_assert. + +2015-06-12 Han Shen <shenhan@google.com> + + Fix erratum 835769. + + * aarch64.cc (AArch64_insn_utilities::BYTES_PER_INSN): Move + defintion outside class definition. + (AArch64_insn_utilities::AARCH64_ZR): New static constant. + (AArch64_insn_utilities::aarch64_op31): New member. + (AArch64_insn_utilities::aarch64_ra): New member. + (AArch64_insn_utilities::aarch64_mac): New member. + (AArch64_insn_utilities::aarch64_mlxl): New member. + (ST_E_835769): New global enum member. + (Stub_table::relocate_stubs): Add 835769 handler. + (Stub_template_repertoire::Stub_template_repertoire): Install new + stub type. + (AArch64_relobj::scan_errata): This func is renamed from + scan_erratum_843419. + (AArch64_relobj::do_count_local_symbols): Add 835769 handler. + (AArch64_relobj::do_relocate_sections): Add 835769 handler. + (AArch64_relobj::scan_sections_for_stubs): Add 835769 handler. + (Target_aarch64::scan_erratum_835769_span): New method. + (Target_aarch64::create_erratum_stub): New method. + (Target_aarch64::is_erratum_835769_sequence): New method. + (Target_aarch64::scan_erratum_843419_sequence): Move part of the + code into create_erratum_stub. + * options.h (fix_cortex_a53_835769): New option. + +2015-06-11 Cary Coutant <ccoutant@gmail.com> + + * aarch64.cc (Erratum_stub::STUB_ADDR_ALIGN): Move initialization + outside class body. + (Reloc_stub::STUB_ADDR_ALIGN): Likewise. + +2015-06-11 Cary Coutant <ccoutant@gmail.com> + + PR gold/17731 + * layout.cc (corresponding_uncompressed_section_name): New function. + (Layout::choose_output_section): Call it. + * layout.h (corresponding_uncompressed_section_name): New function. + * script-sections.cc (Input_section_info::set_section_name): Check + for compressed debug section (.zdebug style). + +2015-06-11 Jing Yu <jingyu@google.com> + + * testsuite/Makefile.am: Add -O0 for script_test_12 test. + * testsuite/Makefile.in: Regenerate. + +2015-06-11 Davide Italiano <dccitaliano@gmail.com> + + * gold.h (is_cident): Correct typo. + +2015-06-10 Han Shen <shenhan@google.com> + Patch for erratum-843419 (2 of 2 - fix erratum occurrences). + + Now fixing for 843419 is fully functional. + + The first part of the erratum fix CL is here - + https://sourceware.org/ml/binutils/2015-04/msg00229.html + + * aarch64.cc(global enum): New constants representing stub types. + (Stub_template): New POD struct. + (Stub_template_repertoire): New class. + (Stub_base): New class. + (Erratum_stub): New class. + (Reloc_stub): Refactored to be a subclass of Stub_base. + (Reloc_stub::Stub_type): Removed. + (Reloc_stub::offset): Moved to Stub_base. + (Reloc_stub::set_offset): Moved to Stub_base. + (Reloc_stub::destination_address): Moved to Stub_base. + (Reloc_stub::set_destination_address): Moved to Stub_base. + (Reloc_stub::reset_destination_address): Moved to Stub_base. + (Reloc_stub::stub_type): Renamed and moved to Stub_base. + (Reloc_stub::stub_size): Renamed and moved to Stub_base. + (Reloc_stub::stub_insns): Renamed and moved to Stub_base. + (Reloc_stub::write): Moved to Stub_base. + (Reloc_stub::invalid_offset): Moved to Stub_base. + (Reloc_stub::invalid_address): Moved to Stub_base. + (Reloc_stub::stub_type_): Renamed and moved to Stub_base. + (Reloc_stub::stub_insns_): Moved to Stub_base. + (Reloc_stub::offset_): Moved to Stub_base. + (Reloc_stub::destination_address_): Moved to Stub_base. + (Stub_table::The_aarch64_relobj): New typedef. + (Stub_table::The_erratum_stub): New typedef. + (Stub_table::The_erratum_stub_less): New typedef. + (Stub_table::The_erratum_stub_set): New typedef. + (Stub_table::The_erratum_stub_set_iter): New typedef. + (Stub_table::empty): Added emptiness testing for erratum stubs. + (Stub_table::add_erratum_stub): New method to add an erratum stub. + (Stub_table::find_erratum_stub): New method. + (Stub_table::find_erratum_stubs_for_input_section): New method. + (Stub_table::erratum_stub_address): New method. + (Stub_table::update_date_size_changed_p): Modified to handle erratum stubs. + (Stub_table::do_addralign): Modified to handle erratum stubs. + (Stub_table::erratum_stubs_): New member. + (Stub_table::erratum_stub_size_): New member. + (Stub_table::relocate_stubs): Modified to handle erratum stubs. + (Stub_table::do_write): Modified to handle erratum stubs. + (AArch64_relobj::The_erratum_stub): New typedef. + (AArch64_relobj::Erratum_stub_set_iter): New typedef. + (AArch64_relobj::fix_errata): New method. + (Target_aarch64::The_reloc_stub_type): Removed. + (Target_aarch64::The_erratum_stub): New typede. + (AArch64_relocate_functions::construct_b): New method. + +2015-06-08 Nick Clifton <nickc@redhat.com> + + * po/fr.po: New French Translation. + +2015-06-07 Cary Coutant <ccoutant@gmail.com> + + PR gold/18288 + * resolve.cc (symbol_to_bits): Remove type parameter; adjust all + callers. Don't use STT_COMMON to check for common symbols. + (Symbol_table::resolve): Warn if relocatable object has STT_COMMON + symbol that's not in a common section. + * symtab.h (Symbol::is_common): Don't use STT_COMMON to check for + common symbols. + +2015-06-04 Cary Coutant <ccoutant@gmail.com> + + PR gold/18200 + * Makefile.am (diststuff): Add target. + * Makefile.in: Regenerate. + +2015-06-04 Cary Coutant <ccoutant@gmail.com> + + PR gold/17498 + * object.cc (Sized_relobj_file::do_count_local_symbols): Discard + temporary locals in merge sections. + * options.cc (General_options::parse_discard_all): New method. + (General_options::parse_discard_locals): New method. + (General_options::parse_discard_none): New method. + (General_options::General_options): Initialize discard_locals_. + * options.h (--discard-all): Convert to special option. + (--discard-locals): Likewise. + (--discard-none): New option. + (General_options::discard_all): New method. + (General_options::discard_locals): New method. + (General_options::discard_sec_merge): New method. + (General_options::Discard_locals): New enum. + (General_options::discard_locals_): New data member. + +2015-06-03 Cary Coutant <cary@google.com> + + * script-sections.cc (Script_sections::Script_sections): Initialize + segments_created_. + (Script_sections::create_note_and_tls_segments): Set flag when + segments are created. + (Script_sections::expected_segment_count): Count PT_INTERP. + (Script_sections::attach_sections_using_phdrs_clause): Set flag when + segments are created. + * script-sections.h (Script_sections::segments_created_): New data + member. + +2015-06-03 Cary Coutant <ccoutant@gmail.com> + + PR gold/15370 + * script-sections.cc + (Output_section_element_input::set_section_addresses): When there + are several patterns with no sort spec, put all sections in the same + bin. + * testsuite/Makefile.am (script_test_12): New testcase. + (script_test_12i): New testcase. + * testsuite/Makefile.in: Regenerate. + * testsuite/script_test_12.t: New test linker script. + * testsuite/script_test_12i.t: New test linker script. + * testsuite/script_test_12a.c: New test source file. + * testsuite/script_test_12b.c: New test source file. + +2015-06-02 Cary Coutant <ccoutant@gmail.com> + + * nacl.h (Sniff_file): Switch parameters to get_view to get an + aligned view. + +2015-06-03 Cary Coutant <ccoutant@gmail.com> + + PR gold/17819 + * gold.cc (queue_final_tasks): When --build-id=tree, queue a + separate task to schedule the build id computation. + * layout.cc (Hash_task::Hash_task): Remove build_id_blocker, + add Output_file and offset. + (Hash_task::run): Get and release the input views. + (Hash_task::is_runnable): Always return NULL (always runnable). + (Layout::queue_build_id_tasks): Remove. + (Layout::write_build_id): Add array_of_hashes and size_of_hashes + parameters; use them instead of class members. + (Build_id_task_runner::run): New function. + (Close_task_runner::run): Pass array_of_hashes and size_of_hashes + to write_build_id. + * layout.h (Layout::queue_build_id_tasks): Remove. + (Layout::write_build_id): Add array_of_hashes and size_of_hashes + parameters. + (Layout::array_of_hashes_): Remove. + (Layout::size_of_array_of_hashes_): Remove. + (Layout::input_view_): Remove. + (Build_id_task_runner): New class. + (Close_task_runner::Close_task_runner): Add array_of_hashes and + size_of_hashes parameters. + (Close_task_runner::array_of_hashes_): New data member. + (Close_task_runner::size_of_hashes_): New data member. + * testsuite/Makefile.am + (flagstest_compress_debug_sections_and_build_id_tree): New test. + * testsuite/Makefile.in: Regenerate. + +2015-06-01 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * merge.cc (get_input_merge_map): Update for data structure change. + (get_or_make_input_merge_map): Update for data structure change. + * merge.h (Object_merge_map): Use a std::vector<std::pair>> instead of + a std::map. Remove first_shnum_, first_map_, second_shnum_, second_map_. + +2015-05-16 Alan Modra <amodra@gmail.com> + + * reloc.cc (Sized_relobj_file::find_functions): Use function_location. + * powerpc.cc (Target_powerpc::do_calls_non_split): New function. + (addi_12_1, addis_2_12, addis_12_1, cmpld_7_12_0): New constants. + (lis_0): Rename from lis_0_0. + +2015-04-29 Cary Coutant <cary@google.com> + Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * gc.h (Garbage_collection::is_section_garbage): Change Object* + to Relobj*. + (Garbage_collection::add_reference): Likewise. + (Garbage_collection::gc_process_relocs): Likewise. Don't push + object/shndx pair onto *secvec for dynamic objects. Don't follow + relocations pointing to dynamic objects for GC. + * icf.cc (Icf::find_identical_sections): Change Object* to Relobj*. + (Icf::unfold_section): Likewise. + (Icf::is_section_folded): Likewise. + (Icf::get_folded_section): Likewise. + * icf.h: (Icf::get_folded_section): Likewise. + (Icf::unfold_section): Likewise. + (Icf::is_section_folded): Likewise. + (Icf::section_has_function_pointers): Likewise. + (Icf::set_section_has_function_pointers): Likewise. + * object.h (Section_id): Likewise. + (Const_section_id): Likewise. + * output.cc (Output_section::update_section_layout): Likewise. + * output.h: (Output_section_lookup_maps::find_relaxed_input_section): + Likewise. + * plugin.cc (update_section_order): Likewise. + (unique_segment_for_sections): Likewise. + * powerpc.cc (Powerpc_relobj::add_reference): Likewise. + (Target_powerpc::do_gc_add_reference): Likewise. + (Target_powerpc::gc_process_relocs): Likewise. + (Target_powerpc::do_gc_add_reference): Likewise. + * symtab.cc (Symbol_table::is_section_folded): Likewise. + (Symbol_table::gc_mark_symbol): Likewise. + * symtab.h: (Symbol_table::is_section_folded): Likewise. + * target.h: (Sized_target::gc_add_reference): Likewise. + (Sized_target::do_gc_add_reference): Likewise. + +2015-04-29 Nick Clifton <nickc@redhat.com> + + * po/fi.po: Updated Finnish translation. + +2015-04-28 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::do_dynsym_value): Use Address rather + than unsigned int for find_global_entry result temp. Compare + against invalid_address. + (Target_powerpc::do_plt_address_for_global): Likewise. + (Target_powerpc::Relocate::relocate): Likewise. Don't assert + on plt call stub existence for debug info. Do assert for plt + and global entry stub existence if an alloc section. + +2015-04-28 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Relocate::relocate): Don't assert + on missing global entry stub due to bogus debug info. + +2015-04-27 Han Shen <shenhan@google.com> + + * options.h (--fix-cortex-a53-843419): Rename option. + * aarch64.cc (AArch64_relobj::do_count_local_symbols): Use renamed + option. + (AArch64_relobj::scan_sections_for_stubs): Use renamed option. + +2015-04-27 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + PR gold/18327 + * output.cc (Output_section::is_input_address_mapped): Assume a missing + entry is mapped. + * testsuite/Makefile.am: Add the eh_test test. + * testsuite/Makefile.in: Regenerate. + * testsuite/eh_test_a.cc: New test. + * testsuite/eh_test_b.cc: New test. + +2015-04-23 Sriraman Tallam <tmsriram@google.com> + + * options.h (--weak-unresolved-symbols): New option. + * symtab.cc (Symbol_table::sized_write_globals): Change symbol + binding to weak with new option. + * symtab.h (is_weak_undefined): Check for new option. + (is_strong_undefined): Check for new option. + * testsuite/Makefile.am (weak_unresolved_symbols_test): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/weak_unresolved_symbols_test.cc: New file. + +2015-04-20 Ian Coolidge <icoolidge@google.com> + + * symtab.cc (Symbol::should_add_dynsym_entry): Return true for + GNU_UNIQUE. + +2015-04-17 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * gc.cc (Garbage_collection::do_transitive_closure): Use back and + push_back. + * gc.h (Garbage_collection): Use a std::vector instead of a std::queue. + * object.cc (Sized_relobj_file::do_layout): Use push_back. + * powerpc.cc (process_gc_mark): Use push_back. + (Target_powerpc::do_gc_mark_symbol): Use push_back. + * symtab.cc (Symbol_table::gc_mark_symbol): Use push_back. + +2015-04-16 Han Shen <shenhan@google.com> + + * aarch64.cc (AArch64_insn_utilities): New utility class. + (AArch64_relobj::Mapping_symbol_position): New struct. + (AArch64_relobj::Mapping_symbol_info): New typedef. + (AArch64_relobj::do_count_local_symbols): New function overriding + parent's implementation. + (AArch64_relobj::mapping_symbol_info_): New member + (AArch64_relobj::scan_erratum_843419): New method. + (Target_aarch64::scan_erratum_843419_span): New method. + (Target_aarch64::is_erratum_843419_sequence): New method. + * options.h (fix_cortex_a53): New option. + +2015-04-09 Cary Coutant <ccoutant@google.com> + + * symtab.cc (Symbol::final_value_is_known): Check for TLS symbol + in a PIE link. + * testsuite/Makefile.am (tls_pie_test.sh): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/tls_pie_test.sh: New. + +2015-04-09 Cary Coutant <ccoutant@google.com> + + * debug.h (DEBUG_LOCATION): New. + (DEBUG_ALL): Include DEBUG_LOCATION. + (debug_string_to_enum): Add DEBUG_LOCATION. + * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Fix debug + output to print correct context. + (Sized_dwarf_line_info::do_addr2line): Add debug output. Return + up to 4 more locations at the beginning of the function. + * symtab.cc (Symbol_table::detect_odr_violations): Get canonical + result before sorting list of line numbers. + * testsuite/debug_msg.sh: Allow range of line numbers for + canonical results on optimized code. + +2015-04-07 HC Yen <hc.yen@mediatek.com> + + Add AArch32 support for gold linker. + * arm.cc: Add V8 arch combine table. + +2015-04-06 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * aarch64.cc (do_reloc_addend): Fix signature to match the parent one. + +2015-04-06 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * gc.cc (Garbage_collection::do_transitive_closure): Avoid a call + to find by using the return value of insert. + +2015-04-06 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * gc.cc (Garbage_collection::do_transitive_closure): Avoid a copy + constructor call. + +2015-04-06 Ilya Tocar <ilya.tocar@intel.com> + + PR gold/17641 + * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): New. + (Target_x86_64::Scan::local): Don't create GOT entry, when we + can convert mov to lea. + (Target_x86_64::Scan::global): Ditto. + (Target_x86_64::Relocate::relocate): Convert mov foo@GOTPCREL(%rip), + %reg to lea foo(%rip), %reg if possible. + * testsuite/Makefile.am (x86_64_mov_to_lea): New test. + * testsuite/x86_64_mov_to_lea1.s: New. + * testsuite/x86_64_mov_to_lea2.s: Ditto. + * testsuite/x86_64_mov_to_lea3.s: Ditto. + * testsuite/x86_64_mov_to_lea4.s: Ditto. + * testsuite/x86_64_mov_to_lea.sh: Ditto. + +2015-04-02 H.J. Lu <hongjiu.lu@intel.com> + + * configure: Regenerated. + +2015-04-01 Ilya Tocar <ilya.tocar@intel.com> + + PR gold/17640 + * i386.cc (Target_i386::can_convert_mov_to_lea): New. + (Target_i386::Scan::local): Don't create GOT entry, when we + can convert GOT to GOTOFF. + (Target_i386::Scan::global): Ditto. + (Target_i386::Relocate::relocate): Convert mov foo@GOT(%reg), %reg to + lea foo@GOTOFF(%reg), %reg if possible. + * testsuite/Makefile.am (i386_mov_to_lea): New test. + * testsuite/i386_mov_to_lea1.s: New. + * testsuite/i386_mov_to_lea2.s: Ditto. + * testsuite/i386_mov_to_lea3.s: Ditto. + * testsuite/i386_mov_to_lea4.s: Ditto. + * testsuite/i386_mov_to_lea5.s: Ditto. + * testsuite/i386_mov_to_lea.sh: Ditto. + +2015-04-01 H.J. Lu <hongjiu.lu@intel.com> + + * Makefile.am (ZLIB): New. + (ZLIBINC): Likewise. + (AM_CFLAGS): Add $(ZLIBINC). + (AM_CXXFLAGS): Likewise. + (ldadd_varldadd_var): Add $(ZLIB). + (incremental_dump_LDADD): Likewise. + (dwp_LDADD): Likewise. + * compressed_output.cc: Don't check HAVE_ZLIB_H to include + <zlib.h>. + (zlib_compress): Don't check HAVE_ZLIB_H. + (zlib_decompress): Likewise. + * options.h (compress_debug_sections): Likewise. + * configure.ac (AM_CONDITIONAL): Removed. + * testsuite/Makefile.am (ZLIB): New. + (LDADD): Add $(ZLIB). + Don't check HAVE_ZLIB. + * Makefile.in: Regenerated. + * config.in: Likewise. + * configure: Likewise. + * testsuite/Makefile.in: Likewise. + +2015-03-30 Jing Yu <jingyu@google.com> + + * aarch64-reloc.def: New TLSLD_ADD_DTPREL_HI12, + TLSLD_ADD_DTPREL_LO12_NC. + * aarch64.cc (Target_aarch64::define_tls_base_symbol): Always let + _TLS_MODULE_BASE_ point to the start of tls segment. + (Target_aarch64::optimize_tls_reloc): Add cases for + R_AARCH64_TLSLD_ADD_DTPREL_HI12 and + R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC. + (Target_aarch64::Scan::local): Likewise. + (Target_aarch64::Scan::global): Likewise. + (Target_aarch64::Relocate::relocate): Likewise. + (Target_aarch64::Relocate::relocate_tls): Likewise. And remove + subtracting tls segment size from symbol value for TLSLD_*_DTPREL + relocations. + +2015-03-27 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * merge.cc (Object_merge_map::add_mapping): call + Object_merge_map::Input_merge_map::add_mapping. + (Object_merge_map::Input_merge_map::add_mapping): New. + (Output_merge_data::do_add_input_section): Call + get_or_make_input_merge_map before a loop. + (Output_merge_string<Char_type>::finalize_merged_data): Call + get_or_make_input_merge_map before a loop. + * merge.h (Object_merge_map): Make Input_merge_map public. + * object.cc (Relobj::add_merge_mapping): Use get_or_create_merge_map. + (Relobj::get_or_create_merge_map): New. + * object.h (Relobj::get_or_create_merge_map): New. + +2015-03-24 Alan Modra <amodra@gmail.com> + + PR 18147 + * powerpc.cc (Target_powerpc::Relocate::relocate): Don't report + relocation errors for branches to strong undefined symbols. + +2015-03-23 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * merge.cc (Object_merge_map::get_input_merge_map): Make it const. + (Object_merge_map::is_merge_section_for): Remove. + (Object_merge_map::find_merge_section): New. + * merge.h (Object_merge_map::is_merge_section_for): Remove. + (Object_merge_map::find_merge_section): New. + (Object_merge_map::get_input_merge_map): Add a const version. + * object.cc (Relobj::is_merge_section_for): Remove. + (Relobj::find_merge_section): New. + * object.h (Relobj::is_merge_section_for): Remove. + (Relobj::find_merge_section): New. + * output.cc + (Output_section::Input_section::is_merge_section_for): Remove. + (Output_section::add_merge_input_section): Don't call + add_merge_input_section. + (Output_section::find_merge_section): Return const. Use + object->find_merge_section. + (Output_section::build_lookup_maps): Don't build a map for + merge sections. + (Output_section::is_input_address_mapped): Return false if + section is not found. + (Output_section::find_starting_output_address): Use + find_merge_section instead of is_merge_section_for. + (Output_section::add_script_input_section): Don't build a map for + merge sections. + * output.h (Output_section_lookup_maps::merge_sections_by_id_): Remove. + (Output_section_lookup_maps::find_merge_section): Remove. + (Output_section_lookup_maps::add_merge_input_section) Remove. + (Output_section::find_merge_section): Return const. + +2015-03-22 Cary Coutant <cary@google.com> + + PR gold/18106 + * i386.cc (Target_i386::Relocate::tls_gd_to_ie): Fix support for + non-SIB form of lea, with nop after the call. + +2015-03-21 Cary Coutant <cary@google.com> + + PR gold/14217 + * output.cc (Output_segment::is_first_section_relro): Don't ignore + .tdata section. + (Output_segment::set_section_addresses): Don't align size of relro + segment for .tbss. + +2015-03-21 Cary Coutant <cary@google.com> + + PR gold/18010 + * stringpool.cc (Stringpool_template): Don't optimize if section + alignment is greater than sizeof(char). + +2015-03-21 Cary Coutant <cary@google.com> + + PR gold/18048 + * script-c.h (script_include_directive): Add first_token parameter. + * script.cc (script_include_directive): Add first_token parameter, and + pass it to read_script_file. + * yyscript.y (PARSING_SECTIONS_BLOCK, PARSING_SECTION_CMDS) + (PARSING_MEMORY_DEF): New tokens. + (top): Add new productions for INCLUDE files. + (file_cmd): Replace file_or_sections_cmd with copy of its productions. + Pass PARSING_LINKER_SCRIPT to script_include_directive. + (section_block_cmd): Likewise; pass PARSING_SECTIONS_BLOCK. + (section_cmd): Pass PARSING_SECTION_CMDS. + (file_or_sections_cmd): Remove. + (memory_def): Pass PARSING_MEMORY_DEF. + * testsuite/Makefile.am (memory_test_2): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/memory_test_inc.t: New script file. + * testsuite/memory_test_inc_1.t.src: New script file. + * testsuite/memory_test_inc_2.t.src: New script file. + * testsuite/memory_test_inc_3.t.src: New script file. + +2015-03-21 Cary Coutant <cary@google.com> + + * dwp.cc (Sized_relobj_dwo::do_section_contents): Delete. + (Sized_relobj_dwo::setup): Build compressed section map. + (Sized_relobj_dwo::do_decompressed_section_contents): Delete. + * dynobj.cc (Sized_dynobj::base_read_symbols): Build compressed + section map. + * object.cc (Sized_relobj_file::Sized_relobj_file): Remove + compressed_sections_ field. + (build_compressed_section_map): Take Object instead of + Sized_relobj_file parameter; add decompress_if_needed parameter. + (Sized_relobj_file::do_find_special_sections): Store compressed + section map in parent Object. + (Sized_relobj_file::do_decompressed_section_contents): Move + implementation to Object::decompressed_section_contents. + (Sized_relobj_file::do_discard_decompressed_sections): Move + implementation to Object::discard_decompressed_sections. + * object.h (build_compressed_section_map): Declare. + (Object::Object): Add compressed_sections_ field. + (Object::section_is_compressed): Move implementation here. + (Object::decompressed_section_contents): De-virtualize. + (Object::discard_decompressed_sections): De-virtualize. + (Object::do_section_is_compressed): Delete. + (Object::do_decompressed_section_contents): Delete. + (Object::set_compressed_sections): New method. + (Object::compressed_sections): New method. + (Object::compressed_sections_): New data member. + (Compressed_section_info, Compressed_section_map): Move to top of file. + (Sized_relobj_file::do_section_is_compressed): Delete. + (Sized_relobj_file::do_decompressed_section_contents): Delete. + (Sized_relobj_file::do_discard_decompressed_sections): Delete. + (Sized_relobj_file::compressed_sections_): Move to Object class. + +2015-03-21 Cary Coutant <ccoutant@google.com> + + PR gold/18152 + * gold.cc (queue_middle_tasks): Finalize .eh_frame after laying out + deferred objects. + +2015-03-11 Cary Coutant <ccoutant@google.com> + + * options.cc (General_options::finalize): Don't allow -z relro + with incremental linking. + * testsuite/Makefile.am (incremental_test): Add -z norelro. + (incremental_test_2): Likewise. + (incremental_test_3): Likewise. + (incremental_test_4): Likewise. + (incremental_test_5): Likewise. + (incremental_test_6): Likewise. + (incremental_copy_test): Likewise. + (incremental_common_test_1): Likewise. + (incremental_comdat_test_1): Likewise. + * testsuite/Makefile.in: Regenerate. + +2015-03-09 Cary Coutant <ccoutant@google.com> + + PR gold/14675 + * ehframe.cc (Eh_frame::add_ehframe_input_section): Change return type; + return enum indicating whether .eh_frame section is empty, optimizable, + unrecognized, or an end marker. Adjust explicit instantiations. + * ehframe.h (Eh_frame::Eh_frame_section_disposition): New enum type. + (Eh_frame::add_ehframe_input_section): Change return type. + * gold.cc (queue_middle_tasks): Call Layout::finalize_eh_frame_section. + * layout.cc (Layout::layout_eh_frame): Don't add optimized sections + to the .eh_frame output section until we see the end marker. + (Layout::finalize_eh_frame_section): New. + * layout.h: (Layout::finalize_eh_frame_section): New. + +2015-03-05 H.J. Lu <hongjiu.lu@intel.com> + + * output.cc (Relobj::initialize_input_to_output_map<size>): + Remove typename on elfcpp::Elf_types<size>::Elf_Addr. + +2015-03-04 Cary Coutant <ccoutant@google.com> + + * parameters.cc (Parameters::set_target_once): Call + Target::select_as_default_target just once from here... + (set_parameters_target): ...instead of from here. + +2015-03-04 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * ehframe.cc (Cie::set_output_offset): Pass in and use a + Output_section_data instead of a Merge_map. + (Eh_frame::Eh_frame): Don't initialize merge_map_. + (Eh_frame::read_cie): Use add_merge_mapping instead of + Merge_map::add_mapping. + (Eh_frame::read_fde): Ditto. + (Eh_frame::set_final_data_size): Use this instead of this->merge_map_. + (Eh_frame::do_output_offset): Use merge_output_offset istead of + merge_map_->get_output_offset. + (Eh_frame::do_is_merge_section_for): Delete. + * ehframe.h (Fde::add_mapping): Pass in and use a Output_section_data + instead of a Merge_map. + (Cie::set_output_offset): Pass in a Output_section_data instead of a + Merge_map. + (Eh_frame::do_is_merge_section_for): Delete. + (Eh_frame::merge_map_): Delete. + * merge.cc (Object_merge_map::get_or_make_input_merge_map): Pass in + and use a Output_section_data instead of a Merge_map. + (Object_merge_map::add_mapping): Ditto. + (Object_merge_map::get_output_offset): Remove the merge_map argument. + (Object_merge_map::is_merge_section_for): Pass in and use a + Output_section_data instead of a Merge_map. + (Merge_map): Delete. + (Output_merge_base::do_output_offset): Use merge_output_offset instead + of merge_map_.get_output_offset. + (Output_merge_base::do_is_merge_section_for): Delete. + (Output_merge_data::do_add_input_section): Use + object->add_merge_mapping instead of add_mapping. + (Output_merge_string<Char_type>::finalize_merged_data): Ditto. + * merge.h (Merge_map): Delete forward declaration. + (Object_merge_map::add_mapping): Pass in and use a Output_section_data + instead of a Merge_map. + (Object_merge_map::get_output_offset): Remove the merge_map argument. + (Object_merge_map::is_merge_section_for): Pass in and use a + Output_section_data instead of a Merge_map. + (Input_merge_map::Object_merge_map::merge_map): Replace with + output_data. + (Object_merge_map::get_or_make_input_merge_map): Pass in and use a + Output_section_data instead of a Merge_map. + (Merge_map): Delete. + (Output_merge_base::Output_merge_base): Don't initialize merge_map_. + (Output_merge_base::do_is_merge_section_for): Delete. + (Output_merge_base::add_mapping): Delete. + (Output_merge_base::merge_map_): Delete. + * object.cc (Relobj::initialize_input_to_output_map): New. + (Relobj::initialize_input_to_output_map): New. + (Relobj::merge_output_offset): New. + (Relobj::is_merge_section_for): New. + (Relobj::initialize_input_to_output_map): Instantiate for 32 and 64 + bits. + * object.h (Relobj::merge_map): Delete. + (initialize_input_to_output_map): New. + (set_merge_map): Delete. + (add_merge_mapping): New. + (merge_output_offset): New. + (is_merge_section_for): New. + * output.cc (Output_section::Input_section::is_merge_section_for): + Use object->is_merge_section_for. + * output.h (Output_section_data::is_merge_section_for): Delete. + (Output_section_data::do_is_merge_section_for): Delete. + * reloc.cc (Merged_symbol_value<size>::initialize_input_to_output_map): + Use object->initialize_input_to_output_map. + (Merged_symbol_value<size>::value_from_output_section): Use + object->merge_output_offset. + +2015-03-02 Peter Collingbourne <pcc@google.com> + Cary Coutant <ccoutant@google.com> + + * output.cc (Output_section::add_merge_input_section): Do not + attempt to merge sections with an entsize of 0. + +2015-03-02 Khem Raj <raj.khem@gmail.com> + + * attributes.h (class Output_attributes_section_data ): Add + do_print_to_mapfile function. + +2015-02-24 Alan Modra <amodra@gmail.com> + + PR 18010 + * powerpc.cc (Powerpc_relocate_functions::addr16_ds): Always + complain if value is not a multiple of four. + (Target_powerpc::Relocate::relocate): Correct handling of + R_POWERPC_GOT_TPREL16 and R_POWERPC_GOT_TPREL16_LO for ppc64. + +2015-02-21 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac (default_size): Set to 32 for x32. + * configure: Regenerated. + +2015-02-18 Alan Modra <amodra@gmail.com> + + PR 17954 + * powerpc.cc (Global_symbol_visitor_opd::operator()): Set default + visibility. + +2015-02-17 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * gc.h (Garbage_collection::add_reference): Don't use find. + +2015-02-17 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * object.cc (write_local_symbols): avoid std::vector copy. + +2015-02-17 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * merge.cc (get_output_offset): Use upper_bound instead of lower_bound. + +2015-02-09 Mark Wielaard <mjw@redhat.com> + + * gdb-index.cc (Gdb_index_info_reader::visit_top_die): Recognize + DW_LANG_Fortran03 and DW_LANG_Fortran08. + +2015-02-16 Cary Coutant <ccoutant@google.com> + + PR gold/13577 + PR gold/16992 + * layout.cc (Layout::finish_dynamic_section): Don't set DT_SYMBOLIC or + DF_SYMBOLIC if --dynamic-list option is used. + * options.cc (General_options::finalize): --dynamic-list is not + mutually exclusive with -Bsymbolic. + * symtab.h (Symbol::is_preemptible): Don't exclude dynamic symbols not + listed in --dynamic-list. + * testsuite/Makefile.am (dynamic_list_lib2.so): Add + -Bsymbolic-functions. + * testsuite/Makefile.in: Regenerate. + +2015-02-16 Cary Coutant <ccoutant@google.com> + + PR gold/17971 + * incremental.cc: Remove redundant include of "output.h". + +2015-02-12 Jing Yu <jingyu@google.com> + + * aarch64-reloc.def (TLSLE_MOVW_TPREL_G2, TLSLE_MOVW_TPREL_G1, + TLSLE_MOVW_TPREL_G1_NC, TLSLE_MOVW_TPREL_G0, TLSLE_MOVW_TPREL_G0_NC,): + New relocation. + * aarch64.cc (Target_aarch64::Scan::local): Add cases for new + TLSLE_MOVW_* relocations. + (Target_aarch64::Scan::global): Likewise. + (Target_aarch64::Relocate::relocate): Likewise. + (Target_aarch64::Relocate::relocate_tls): Add cases and handlings + for new TLSLE_MOVW_* relocations. + +2015-02-11 Will Newton <will.newton@linaro.org> + + PR gold/13321 + * arm.cc (Target_arm::make_plt_section): Create an ARM + state mapping symbol at the start of the PLT. + +2015-02-09 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (two_file_shared_2_pic_1_test_DEPENDENCIES): + Replace two_file_shared_2.so with two_file_shared_1.so. + * testsuite/Makefile.in: Regenerated. + +2015-02-09 Alan Modra <amodra@gmail.com> + + * testsuite/Makefile.am (MOSTLYCLEANFILES): Add libweak_undef_2.a, + plugin_test_thin.a and defsym_test. + * testsuite/Makefile.in: Regenerate. + +2015-02-04 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * merge.cc (do_add_input_section): Combine loop epilogue into main loop + body. + +2015-02-04 Peter Collingbourne <pcc@google.com> + + * plugin.cc (Pluginobj::get_symbol_resolution_info): Resolve + forwarding symbols when computing symbol resolution info for plugins. + * plugin.h (Plugin_manager::symtab): New method. + (Pluginobj::get_symbol_resolution_info): Add symtab parameter. + +2015-02-03 Cary Coutant <ccoutant@google.com> + Peter Collingbourne <pcc@google.com> + + PR gold/15660 + * archive.cc (Thin_archive_object_unlocker): New class. + (Archive::include_member): Unlock external members of thin archives. + * testsuite/Makefile.am (plugin_test_1): Rename .syms files. + (plugin_test_2): Likewise. + (plugin_test_3): Likewise. + (plugin_test_4): Likewise. + (plugin_test_5): Likewise. + (plugin_test_6): Likewise. + (plugin_test_7): Likewise. + (plugin_test_8): Likewise. + (plugin_test_9): Likewise. + (plugin_test_10): Likewise. + (plugin_test_11): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test.c (claim_file_hook): Check for parallel .syms + file to decide whether to claim file. + (all_symbols_read_hook): Likewise. + * testsuite/plugin_test_1.sh: Adjust expected output. + * testsuite/plugin_test_2.sh: Likewise. + * testsuite/plugin_test_3.sh: Likewise. + * testsuite/plugin_test_6.sh: Likewise. + * testsuite/plugin_test_tls.sh: Likewise. + * testsuite/plugin_test_11.sh: New testcase. + +2015-02-03 Cary Coutant <ccoutant@google.com> + + * descriptors.cc (Descriptors::open): Set artificially-low limit for + file descriptors when debugging enabled. Add debug output. + (Descriptors::release): Add debug output. + (Descriptors::close_some_descriptor): Likewise. + (Descriptors::close_all): Likewise. + * fileread.cc (File_read::lock): Likewise. + (File_read::unlock): Likewise. + +2015-02-02 Cary Coutant <ccoutant@google.com> + + * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for + executable output file. + +2015-01-22 Han Shen <shenhan@google.com> + + * arm.cc (Target_arm::Target_arm): Add initialization for new members. + (Target_arm::do_plt_address_for_global): New method. + (Target_arm::do_plt_address_for_local): New method. + (Target_arm::rel_irelative_section): New method. + (Target_arm::make_data_plt): Add more parameters for plt ctor. + (Target_arm::do_make_data_plt): Add more parameters for plt ctor. + (Target_arm::Scan::symbol_needs_plt_entry): Add ifunc support. + (Target_arm::Scan::reloc_needs_plt_for_ifunc): Add ifunc support. + (Target_arm::Scan::check_non_pic): Add ifunc support. + (Target_arm::Scan::local): Add ifunc support. + (Target_arm::Scan::global): Add ifunc support. + (Target_arm::make_plt_section): New method. + (Target_arm::make_plt_entry): Change to call to make_plt_section. + (Target_arm::make_local_ifunc_plt_entry): New method. + (Target_arm::got_irelative_): New member. + (Target_arm::rel_irelative_): New member. + (Target_arm::got_section): Add creation for got_irelative_. + (Target_arm::rel_dyn_section): Add creation for rel_irelative_. + (Target_arm::Relocate::relocate): Properly set local ifunc address. + (Target_arm::do_dynsym_value): Properly set global ifunc address. + (Target_arm::scan_reloc_for_stub): Properly set global ifunc address. + (Output_data_plt_arm::IRelative_data): New type. + (Output_data_plt_arm::Output_data_plt_arm): Add more parameters. + (Output_data_plt_arm::add_entry): Add more parameters. + (Output_data_plt_arm::add_relocation): New method. + (Output_data_plt_arm::add_local_ifunc_entry): New method. + (Output_data_plt_arm::rel_irelative): New method. + (Output_data_plt_arm::entry_count): Modified. + (Output_data_plt_arm::address_for_global): New method. + (Output_data_plt_arm::address_for_local): New method. + (Output_data_plt_arm::set_final_data_size): Add irelative_count_. + (Output_data_plt_arm::insert_irelative_data): New method. + (Output_data_plt_arm::irelative_rel_): New member. + (Output_data_plt_arm::got_): New member. + (Output_data_plt_arm::got_irelative_): New member. + (Output_data_plt_arm::irelative_count_): New member. + (Output_data_plt_arm::IRelative_data_vec): New typedef. + (Output_data_plt_arm::irelative_data_vec_): New member. + (Output_data_plt_arm::do_write): Write out irelative entries. + (Output_data_plt_arm_standard::Output_data_plt_arm_standard): Add + more parameters to ctor. + (Output_data_plt_arm_nacl::Output_data_plt_arm_nacl): Add + more parameters to ctor. + * output.h (Output_data_reloc::add_local_relative): New method. + * aarch64.cc (Output_data_plt_aarch64): Fixed typo in comment. + +2015-01-29 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Relocate::relocate): Correct GOT_TLSLD + and GOT_TLSGD to LE optimization. + +2015-01-28 Cary Coutant <ccoutant@google.com> + + * x86_64.cc (Target_x86_64::Scan::global): Allow IE-to-LE optimization + for undef TLS symbols. + (Target_x86_64::Relocate::relocate_tls): Likewise. + (Target_x86_64::Relocate::tls_ie_to_le): Likewise. + +2015-01-25 Cary Coutant <ccoutant@google.com> + + * output.cc (Output_segment::set_section_addresses): Fix calculation + of size of relro segment. + +2015-01-22 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Scan::local <got relocs>): Correct + condition for need of ifunc plt entry. + (Target_powerpc::Scan::global <got relocs>): Likewise. + +2015-01-14 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * mips.cc (reloc_high): Add r_sym. + (Mips_relocate_functions::relhi16): Add r_sym parameter. Pass r_sym to + reloc_high constructor. + (Mips_relocate_functions::relgot16_local): Likewise. + (Mips_relocate_functions::rello16): Add r_sym parameter. Use r_sym and + r_type to decide whether LO16 matches HI16. + (Target_mips::Relocate::relocate): Pass r_sym to calls to relhi16, + rello16 and relgot16_local. + +2015-01-09 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::set_segment_offsets): Don't align start of segment + unless alignment is larger than page size. + +2015-01-06 H.J. Lu <hongjiu.lu@intel.com> + Cary Coutant <ccoutant@google.com> + + PR gold/17729 + * configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32. + (DEFAULT_TARGET_X32): Set for x32. + * x86_64.cc (cmp_insn_32): New. + (lea_r10_insn_32): Likewise. + (lea_r11_insn_32): Likewise. + (cmp_insn_64): Likewise. + (lea_r10_insn_64): Likewise. + (lea_r11_insn_64): Likewise. + (Target_x86_64<size>::do_calls_non_split): Handle x32. + * testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh. + (check_DATA): Add split_x32 files. + (split_x32_[1234n].o): New targets. + (split_x32_[124]): New targets. + (split_x32_[1234r].stdout): New targets. + * testsuite/split_x32.sh: New file. + * testsuite/split_x32_1.s: Likewise. + * testsuite/split_x32_2.s: Likewise. + * testsuite/split_x32_3.s: Likewise. + * testsuite/split_x32_4.s: Likewise. + * testsuite/split_x32_n.s: Likewise. + * configure: Regenerated. + * testsuite/Makefile.in: Likewise. + +2015-01-06 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/17809 + * x86_64.cc (Target_x86_64<size>::Relocate::tls_ie_to_le): Handle + x32. + +2015-01-02 Alan Modra <amodra@gmail.com> + + * version.cc (print_version): Just print current year. + * dwp.cc (print_version): Likewise. + +2015-01-01 Alan Modra <amodra@gmail.com> + + Update year range in copyright notice of all files. + +2014-12-25 Alan Modra <amodra@gmail.com> + + * arm.cc (Target_arm::do_adjust_elf_header): Provide namespace on + new enums. + (Target_arm::merge_object_attributes, ): Likewise. + +2014-12-25 Thomas Preud'homme <thomas.preudhomme@arm.com> + + * arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header + as hard float only when Tag_ABI_VFP_args is 1, using new enum value + AEABI_VFP_args_vfp to check that. + (Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args + value and replace hardcoded values by enum values. + +2014-12-22 Cary Coutant <ccoutant@google.com> + + * powerpc.cc (Target_powerpc::relocate): Fix overflow check. + +2014-12-20 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/14608 + * testsuite/debug_msg.cc (SometimesInlineFunction): Changed + to "return i * i * 3;". + +2014-12-16 Cary Coutant <ccoutant@google.com> + + * mapfile.cc (Mapfile::print_input_section): Print uncompressed sizes. + (Mapfile::print_output_data): Use current_data_size() to avoid + assert for sections requiring postprocessing; if address is not valid, + print 0. + (Mapfile::print_output_section): Use current_data_size(); print note + that addresses and sizes are before compression. + +2014-12-14 H.J. Lu <hongjiu.lu@intel.com> + + * aarch64.cc (AArch64_relocate_functions::maybe_apply_stub): + Cast current_group_size to unsigned long when reporting error. + +2014-12-10 Jing Yu <jingyu@google.com> + + * aarch64.cc (Target_aarch64): Add new variable stub_group_size_. + (AArch64_relocate_functions::maybe_apply_stub): Add new parameter. + Update error message. + (Target_aarch64::do_relax): Use absolute value of option + stub_group_size. Replace local variable with class member + stub_group_size_. + +2014-12-04 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Branch_info::make_stub): Ignore + addend of PLTREL24 reloc when not generating a plt stub. Make + max_branch_offset an "Address". + (Stub_table::can_reach_stub): Make max_branch_offset an "Address". + (Target_powerpc::Relocate::relocate): Likewise. + +2014-12-04 Alan Modra <amodra@gmail.com> + + PR 17670 + * symtab.cc (Symbol::set_undefined): Remove assertion. + * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert + on symbols defined in discarded sections, instead return false. + Rearrange params, update all callers. + (Target_powerpc::Branch_info::make_stub): Don't make stubs for + branches to syms in discarded sections. + (Global_symbol_visitor_opd::operator()): Set discarded opd syms + undefined and flag as discarded. + (Target_powerpc::Relocate::relocate): Localize variable. + +2014-12-03 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/17675 + * testsuite/Makefile.am (pie_copyrelocs_test_CXXFLAGS): New. + * testsuite/Makefile.in: Regenerated. + +2014-12-03 Alan Modra <amodra@gmail.com> + + PR 17566 + * powerpc.cc (Target_powerpc::Scan::local): Use add_local_section + when adding dynamic relocations against section symbols. + +2014-12-01 Dimitry Ivanov <dimitry@google.com> + + * layout.cc (Layout::finish_dynamic_section): When '-z global' + is specified set DF_1_GLOBAL in DT_FLAGS_1 flags. + * options.h (General_options): New -z option (global). + +2014-12-01 Cary Coutant <ccoutant@google.com> + + PR gold/17578 + * layout.cc (Layout::layout_gnu_stack): Don't warn when -z execstack + is given. + (Layout::create_executable_stack_info): Warn when -z noexecstack is + given but some inputs require executable stack. + +2014-11-26 Cary Coutant <ccoutant@google.com> + + * layout.cc (gdb_sections): Keep .debug_gdb_scripts and + .debug_str_offsets; strip .debug_gnu_pubnames and + .debug_gnu_pubtypes. + (lines_only_debug_sections): Strip all four new sections. + +2014-11-26 Jing Yu <jingyu@google.com> + + * aarch64.cc (Relocate::tls_desc_gd_to_ie): Set ldr target + register to be x0 when to relax TLSDESC_LD64_LO12. + +2014-11-26 Alan Modra <amodra@gmail.com> + + * powerpc.cc (struct Stub_table_owner): New. + (Powerpc_relobj): Rename stub_table_ to stub_table_index_, an + unsigned int vector. Update all references. + (powerpc_relobj::set_stub_table): Take an unsigned int param + rather than a Stub_table. Update callers. + (Powerpc_relobj::clear_stub_table): New function. + (Target_powerpc): Add relax_failed_, relax_fail_count_ and + stub_group_size_ vars. + (Target_powerpc::new_stub_table): Delete. + (max_branch_delta): New function, extracted from.. + (Target_powerpc::Relocate::relocate): ..here.. + (Target_powerpc::Branch_info::make_stub): ..and here. Return + status on whether stub created successfully. + (Stub_control::Stub_control): Add "no_size_errors" param. Move + default sizing to.. + (Target_powerpc::do_relax): ..here. Init stub_group_size_ and + reduce on relax failure. + (Target_powerpc::group_sections): Add "no_size_errors" param. + Use stub_group_size_. Set up group info in a temp vector, + before building Stub_table vector. Account for input sections + possibly already converted to relaxed sections. + (Stub_table::init): Delete. Merge into.. + (Stub_table::Stub_table): ..here. + (Stub_table::can_reach_stub): New function. + (Stub_table::add_plt_call_entry): Add "from" parameter and + return true iff stub could be reached. + (Stub_table::add_long_branch_entry): Similarly. Add "r_type" + param too. + (Stub_table::clear_stubs): Add "all" param. + +2014-11-26 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Stub_control::set_output_and_owner): New function. + (Target_powerpc::group_sections): Use it. + +2014-11-25 Cary Coutant <ccoutant@google.com> + + * binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol. + (Binary_to_elf::write_symbol): Add st_size parameter. + * binary.h (Binary_to_elf::write_symbol): Add st_size parameter. + +2014-11-25 Cary Coutant <ccoutant@google.com> + + PR gold/17639 + * object.cc (Sized_relobj_file): Initialize is_deferred_layout_. + (Sized_relobj_file::do_layout): Handle deferred sections properly + during GC pass 1. Don't add reloc sections to deferred list twice. + * object.h (Sized_relobj_file::is_deferred_layout): New function. + (Sized_relobj_file::is_deferred_layout_): New data member. + +2014-11-21 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/17619 + * x86_64.cc (Output_data_plt_x86_64_standard<size>::do_fill_plt_entry): + Check PC-relative offset overflow in PLT entry. + +2014-11-21 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Relocate::relocate): Correct test + for undefined weaks. + +2014-11-20 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Stub_control::Stub_control): Init stub14_group_size_ + from --stub-group-size parameter divided by 1024. + (Powerpc_relocate_functions::rela, rela_ua): Add fieldsize + template parameter. Update all uses. + (Target_powerpc::Relocate::relocate): Rename has_plt_value to + has_stub_value. Set for long branches. Don't report overflow for + branch to undefined weak symbols. Print info message on + overflowing branch to stub. + +2014-11-20 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::do_relax): Add __go_go to thread_starters. + +2014-11-13 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Target_x86_64<size>::Scan::global): Don't make PLT + entry for R_X86_64_GOTPLT64. + (Target_x86_64<size>::Relocate::relocate): Update comments for + R_X86_64_GOTPLT64. + +2014-11-06 Evgeniy Dushistov <dushistov@mail.ru> + + * plugin.cc: use lock to searialize calls of Plugin_manager::claim_file + * plugin.h: add lock definition + +2014-10-29 Han Shen <shenhan@google.com> + Jing Yu <jingyu@google.com> + + * aarch64-reloc.def: Add LD_PREL_LO12, ADR_PREL_LO21, + TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, + TLSLD_MOVW_DTPREL_G0_NC. Change property of TLS relocations to + Symbol::TLS_REF. + * aarch64.cc (Target_aarch64::do_can_check_for_function_pointers): New + method. + (Target_aarch64::reloc_needs_plt_for_ifunc): New method. + (Target_aarch64::tls_ld_to_le): New method. + (Target_aarch64::aarch64_info): Enable can_icf_inline_merge_sections + for 64bit targets. + (Output_data_plt_aarch64::irelative_rel_): New data member. + (Output_data_plt_aarch64::add_entry): Add irelative entries to plt. + (Output_data_plt_aarch64::add_local_ifunc_entry): New method. + (Output_data_plt_aarch64::add_relocation): New method. + (Output_data_plt_aarch64::do_write): Add gold_assert on got_irelative + offset. Add got_irelative size to got size. + (AArch64_relocate_functions): Typedef AArch64_valtype. Replace long + type string with the new typename. + (AArch64_relocate_functions::update_adr): Replace parameter x with + immed. + (AArch64_relocate_functions::update_movnz): Correct wrong val mask. + (AArch64_relocate_functions::reloc_common): New method. + (AArch64_relocate_funcsions::rela_general): Extract common part out + into reloc_common method. + (AArch64_relocate_functions::rela_general): Likewise. + (AArch64_relocate_functions::pcrela_general): Likewise. + (AArch64_relocate_functions::adr): New method. + (AArch64_relocate_functions::adrp): Calculate immed before calling + update_adr. + (AArch64_relocate_functions::adrp): Likewise. + (AArch64_relocate_functions::movnz): Cast x to SignedW type when + comparing x to 0. Calculate immed from ~x when x < 0. + (Target_aarch64::optimize_tls_reloc): Add new cases for + TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, + TLSLD_MOVW_DTPREL_G0_NC. + (Target_aarch64::possible_function_pointer_reloc): Implement this + method. + (Target_aarch64::Scan::local_reloc_may_be_function_pointer): Update + comment. + (Target_aarch64::Scan::local): Add codes to handle STT_GNU_IFUNC + symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, + TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. + (Target_aarch64::Scan::global): Add codes to handle STT_GNU_IFUNC + symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, + TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. + (Target_aarch64::make_plt_entry): Call add_entry with two more + parameters. + (Target_aarch64::make_local_ifunc_plt_entry): New method. + (Target_aarch64::Relocate::relocate): Add cases for LD_PREL_LO19, + ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, + TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC. + (Target_aarch64::Relocate::relocate_tls): Add cases for + TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1, + TLSLD_MOVW_DTPREL_G0_NC. + * testsuite/icf_safe_so_test.cc: Correct test comment. + * testsuite/icf_safe_test.sh: Add AArch64 arch. + +2014-10-22 Alan Modra <amodra@gmail.com> + + * powerpc.cc (do_relax): Add gcc-4.9 libgomp functions to + thread_starter. + +2014-10-18 Andreas Schwab <schwab@linux-m68k.org> + + * configure.tgt (targ_extra_obj) [aarch64*-*]: Define. + +2014-10-17 Cary Coutant <ccoutant@google.com> + + * aarch64.cc (AArch64_relocate_functions::maybe_apply_stub): + Add "typename" keyword. + +2014-10-15 Han Shen <shenhan@google.com> + Jing Yu <jingyu@google.com> + + Patch for gold aarch64 backend to support relaxation. + * aarch64-reloc.def: Change format. + * aarch64.cc (class Reloc_stub): New class. + (class Stub_table): New class. + (class AArch64_relobj): New class. + (class AArch64_input_section): New class. + (class AArch64_output_section): New class. + (Target_aarch64::new_stub_table): New method. + (Target_aarch64::new_aarch64_input_section): New method. + (Target_aarch64::find_aarch64_input_section): New method. + (Target_aarch64::scan_section_for_stubs): New method. + (Target_aarch64::scan_reloc_section_for_stubs): New method. + (Target_aarch64::relocate_stub): New method. + (Target_aarch64::current_target): New method. + (Target_aarch64::do_make_elf_object): New method. + (Target_aarch64::do_may_relax): New method. + (Target_aarch64::do_relax): New method. + (Target_aarch64::group_sections): New method. + (Target_aarch64::scan_reloc_for_stub): New method. + (Target_aarch64::do_make_output_section): New method. + (Target_aarch64::stub_tables_): New data member. + (Target_aarch64::aarch64_input_section_map_): New data member. + (AArch64_relocate_functions::maybe_apply_stub): New method. + +2014-09-30 Cary Coutant <ccoutant@google.com> + + PR gold/17432 + * resolve.cc (Symbol_table::resolve): Fix local shadowing error. + +2014-09-30 Kito Cheng <kito@0xlab.org> + + PR gold/13597 + * layout.cc (Layout::create_dynamic_symtab): Build gnu-style + hash table before sysv-style hash table. + +2014-09-29 Sriraman Tallam <tmsriram@google.com> + + * options.h (--pic-executable): Add negative to alias to -no-pie. + +2014-09-26 Cary Coutant <ccoutant@google.com> + + PR gold/16773 + * object.cc (Sized_relobj_file): Compute value of section symbols + for TLS sections the same as TLS symbols. + +2014-09-25 Cary Coutant <ccoutant@google.com> + + PR gold/17432 + * resolve.cc (Symbol_table::resolve): Override common placeholder + symbols, but adjust sizes. + * symtab.cc (Symbol_table::add_from_object): Don't add placeholder + symbols to common lists. + +2014-09-24 Alan Modra <amodra@gmail.com> + + * po/POTFILES.in: Regenerate. + +2014-09-23 Taiju Tsuiki <tzik@google.com> + Cary Coutant <ccoutant@google.com> + + PR gold/14860 + * gold.cc (queue_final_tasks): Add Write_sections_task as a blocker + on input_sections_blocker. + * layout.cc (Write_sections_task::locks): Unblock + input_sections_blocker_. + * layout.h (Write_sections_task::Write_sections_task): Add + input_sections_blocker. + * testsuite/Makefile.am (exception_x86_64_bnd_test): Add gcctestdir/ld + to DEPENDENCIES. + * testsuite/Makefile.in: Regenerate. + +2014-09-18 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * testsuite/Makefile.am (plugin_test_10): New test. + * testsuite/Makefile.in: Regenerate + * testsuite/plugin_common_test_2.c (c1): Align to 8. + * testsuite/plugin_test_10.sh: New file. + +2014-09-17 Rafael Ávila de Espíndola <rafael.espindola@gmail.com> + + * plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size. + * resolve.cc (Symbol_table::resolve): Don't override common symbols + during the replacement phase. + +2014-09-17 Han Shen <shenhan@google.com> + Jing Yu <jingyu@google.com> + + * aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC, + TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL. + * aarch64.cc (Target_aarch64): Add data members + got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_, + tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in + constructor. + (Target_aarch64::do_reloc_symbol_index): New method. + (Target_aarch64::do_reloc_addend): New method. + (Target_aarch64::add_tlsdesc_info): New method. + (Target_aarch64::do_dynsym_value): New method. + (Target_aarch64::do_make_data_plt): Add new parameters: got, + got_irelative. Pass them to Output_data_plt_aarch64_standard. + (Target_aarch64::make_data_plt): Add new parameters: got, + got_irelative. Pass them to do_make_data_plt. + (Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable. + (Target_aarch64::Relocate:tls_gd_to_le): New method. + (Target_aarch64::Relocate:tls_ie_to_le): New method. + (Target_aarch64::Relocate:tls_desc_gd_to_le): New method. + (Target_aarch64::Relocate:tls_desc_gd_to_ie): New method. + (Target_aarch64::got_tlsdesc_section): New method. + (Target_aarch64::make_local_ifunc_plt_entry): New method. + (Target_aarch64::define_tls_base_symbol): New method. + (Target_aarch64::reserve_tlsdesc_entries): New method. + (Target_aarch64::got_mod_index_entry): New method. + (Target_aarch64::rela_tlsdesc_section): New method. + (Target_aarch64::rela_irelative_section): New method. + (Target_aarch64::Tlsdesc_info): New struct. + (Target_aarch64::got_section): Create .got.plt space for IRELATIVE + relocations and tlsdesc relocations. + (Target_aarch64::optimize_tls_reloc): Implement method. + (Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_, + got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them + in constructor. + (Output_data_plt_aarch64::reserve_tlsdesc_entry): New method. + (Output_data_plt_aarch64::has_tlsdesc_entry): New method. + (Output_data_plt_aarch64::get_tlsdesc_got_offset): New method. + (Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method. + (Output_data_plt_aarch64::rela_tlsdesc): New method. + (Output_data_plt_aarch64::rela_irelative): New method. + (Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations. + (Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute. + (Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method. + (Output_data_plt_aarch64::fill_tlsdesc_entry): New method. + (Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method. + (Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method. + (Output_data_plt_aarch64_standard): New member variables: + plt_tlsdesc_entry_size, tlsdesc_plt_entry. + (Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard): + New parameter: got, got_irelative. + (Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method. + (Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method. + (Output_data_plt_aarch64::do_write): Replace got_address with + gotplt_address. Add irelative_count_ to count. Write tlsdesc entry. + (AArch64_relocate_functions::update_movnz): New method. + (AArch64_relocate_functions): Correct format. + (AArch64_relocate_functions::movnz): New method. + (Target_aarch64::Scan::local): Correct format. Move r_sym, got to + before the switch. Add new cases to switch. + Check ie_to_le relaxation on tlsie relocations. Add code handling + tlsgd tlsdesc cases. + (Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when + needed. Add new cases to switch. Insert dynamic RELATIVE relocation + when needed. Add code handling tlsgd, tlsie, tlsdesc cases. + Call reloc_name_in_error_message to print unsupported reloc. + (Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to + make_data_plt. + (Target_aarch64::do_finalize_sections): Emit relocs to save COPY + relocs. Fill in some more dynamic tags. + (Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs. + Skip call tls_get_addr when tlsgd is relaxed. + (Target_aarch64::Relocate::relocate_tls): Correct format. Add code + handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le, + tlsdesc->ie relaxation. + +2014-09-03 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * mips.cc (Target_mips_nacl): New class. + (Target_selector_mips_nacl): New class. + (target_selector_mips32): Rename from target_selector_mips32be and use + Target_selector_mips_nacl instead of Target_selector_mips. + (target_selector_mips32el): Rename from target_selector_mips32 and use + Target_selector_mips_nacl instead of Target_selector_mips. + (target_selector_mips64): Rename from target_selector_mips64be and use + Target_selector_mips_nacl instead of Target_selector_mips. + (target_selector_mips64el): Rename from target_selector_mips64 and use + Target_selector_mips_nacl instead of Target_selector_mips. + (Target_mips::mips_info): Add const attribute. + +2014-09-02 Cary Coutant <ccoutant@google.com> + + * dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute. + * dynobj.h (Sized_dynobj::do_section_name): Likewise. + * incremental.cc (Sized_relobj_incr::do_section_name): Likewise. + (Sized_incr_dynobj::do_section_name): Likewise. + * incremental.h (Sized_relobj_incr::do_section_name): Likewise. + (Sized_incr_dynobj::do_section_name): Likewise. + * object.h (Object::section_name): Likewise. + (Object::do_section_name): Likewise. + (Sized_relobj_file::do_section_name): Likewise. + * plugin.cc (Sized_pluginobj::do_section_name): Likewise. + * plugin.h (Sized_pluginobj::do_section_name): Likewise. + +2014-09-02 Cary Coutant <ccoutant@google.com> + + PR gold/17005 + * ehframe.cc (Fde::write): Add output_offset parameter. + (Cie::write): Likewise. + (Eh_frame::set_final_data_size): Account for offset within output + section. + (Eh_frame::do_sized_write): Likewise. + * ehframe.h (Fde::write): Add output_offset parameter. + (Cie::write): Likewise. + * output.cc (Output_section::Input_section_sort_entry): Remove + section_has_name_; add output_section_name parameter. Use + output section name for non-input sections. + (Output_section::Input_section_sort_entry::section_has_name): Remove. + (Output_section::Input_section_sort_entry::section_has_name_): Remove. + (Output_section::Input_section_sort_compare): Remove logic for + sections without names. + (Output_section::Input_section_sort_init_fini_compare): Likewise. + (Output_section::Input_section_sort_section_prefix_special_ordering_compare): + Likewise. + (Output_section::Input_section_sort_section_name_compare): Likewise. + +2014-08-29 Han Shen <shenhan@google.com> + Jing Yu <jingyu@google.com> + + * aarch64-reloc-property.cc + (AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in + reference reloc property in the table. + * aarch64-reloc.def: Add TLSLE reloc types and fix some errors in + 3 other entries. + * aarch64.cc: (Output_data_got_aarch64::add_static_reloc): + 2 new overloaded methods. + (Output_data_got_aarch64::do_write): Add code to write out + static relocs. + (class Output_data_got_aarch64::Static_reloc): New class to wrap + static relocs. + (Output_data_got_aarch64::static_relocs): New vector to + hold static relocs. + (Target_aarch64::TCB_SIZE): New const static memeber. + (Target_aarch64::tcb_size): New method. + (Target_aarch64::Relocate::relocate): Add code handling new reloc types. + (Target_aarch64::Relocate::relocate_tls): New method. + (Target_aarch64::Scan::local): Add code handling new reloc types. + (Target_aarch64::Scan::global): Add code handling new reloc types. + +2014-08-13 Sriraman Tallam <tmsriram@google.com> + + * options.h (-no-pie): Add option. + +2014-08-08 Jing Yu <jingyu@google.com> + Han Shen <shenhan@google.com> + + * Makefile.am (HFILES): Add aarch64-reloc-property.h. + (DEFFILES): add aarch64-reloc.def. + (TARGETSOURCES): Add aarch64-reloc-property.cc. + (ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT). + * Makefile.in: Regenerate. + * aarch64-reloc-property.cc: New file. + * aarch64-reloc-property.h: New file. + * aarch64-reloc.def: New file. + * aarch64.cc: Include aarch64-reloc-property.h. Replace spaces + with tab to make the format consistent. + (Output_data_got_aarch64::symbol_table_): New method. + (Target_aarch64::do_plt_address_for_global): New method. + (Target_aarch64::do_plt_address_for_local): New method. + (Target_aarch64::do_select_as_default_target): New method. + (Target_aarch64::do_make_data_plt): New method. + (Target_aarch64::make_data_plt): New method. + (Output_data_plt_aarch64::has_irelative_section): New method. + (Output_data_plt_aarch64::address_for_global): New method. + (Output_data_plt_aarch64::address_for_local): New method. + (Output_data_plt_aarch64::irelative_rel_): New parameter. + (Output_data_plt_aarch64::add_entry): Implement contents. + (Output_data_plt_aarch64::set_final_data_size): Fix typo. + (Output_data_plt_aarch64::do_write): Remove useless got_base. Set + the got_pov entry to plt0. + (Output_data_plt_aarch64_standard::do_fill_first_plt_entry): + Implement contents. + (Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement. + (AArch64_howto): New struct. + (aarch64_howto[]): New static const array. + (AArch64_relocate_functions): New class. + (Target_aarch64::Scan::get_reference_flags): Remove method. + (Target_aarch64::Scan::local): Implement to support a few relocations. + (Target_aarch64::Scan::global): Implement to support a few relocations. + (Target_aarch64::make_plt_section): Implement contents. + (Target_aarch64::make_plt_entry): Implement contents. + (Target_aarch64::do_finalize_sections): Implement contents. + (Target_aarch64::Relocate::relocate): Implement a few relocations. + (Target_aarch64::relocate_section): Implement contents. + +2014-08-06 Alan Modra <amodra@gmail.com> + + * testsuite/defsym_test.sh: Allow ppc64le localentry annotation. + +2014-08-06 Alan Modra <amodra@gmail.com> + + PR 13227 + * symtab.cc (Symbol_table::add_from_relobj): Warn on __gnu_lto_slim. + +2014-07-21 Sriraman Tallam <tmsriram@google.com> + + * object.cc (Relobj::is_section_name_included): Add + ".rodata.nptl_version" to not garbage collect this section. + +2014-07-08 Cary Coutant <ccoutant@google.com> + + * expression.cc (struct Expression::Expression_eval_info): Add + new fields type_pointer, vis_pointer, and nonvis_pointer. + (Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and + nonvis_pointer parameters. Adjust all calls. + (Symbol_expression::value): Update type, visibility, and nonvis bits + in caller. + * script.cc (Symbol_assignment::sized_finalize): Update type, + visibility, and remaining st_other bits for new symbol. + * script.h: (Expression::eval_maybe_dot): Add type_pointer, + vis_pointer, and nonvis_pointer parameters. + * symtab.h (Symbol::set_type): New method. + + * testsuite/Makefile.am (defsym_test): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/defsym_test.c: New file. + * testsuite/defsym_test.sh: New file. + +2014-07-08 Cary Coutant <ccoutant@google.com> + + PR gold/15639 + * dynobj.h (Sized_dynobj::base_read_symbols): New method. + * dynobj.cc (Sized_dynobj::do_read_symbols): Move body to... + (Sized_dynobj::base_read_symbols): ...new method. + * object.h (Sized_relobj_file::base_read_symbols): New method. + * object.cc (Sized_relobj_file::do_read_symbols): Move body to... + (Sized_relobj_file::base_read_symbols): ...new method. + * arm.cc (Arm_relobj::do_read_symbols): Call base_read_symbols. + * mips.cc: (Mips_relobj::do_read_symbols): Likewise. + * powerpc.cc (Powerpc_dynobj::do_read_symbols): Likewise. + +2014-07-04 Alan Modra <amodra@gmail.com> + + * po/POTFILES.in: Regenerate. + +2014-07-02 Jing Yu <jingyu@google.com> + + * aarch64.cc: New file + * Makefile.am (TARGETSOURCES): Add aarch64.cc + (ALL_TARGETOBJS): Add aarch64.$(OBJEXT) + * Makefile.in: Regenerate. + * configure.tgt: Add entries for aarch64*. + * configure.ac: Likewise. + * configure: Likewise. + +2014-06-27 Alan Modra <amodra@gmail.com> + + * symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline. + +2014-06-24 Cary Coutant <ccoutant@google.com> + + * dwp.cc (Dwo_file::read): Allow files with no .debug_types + sections. + (Dwo_file::sized_read_unit_index): Likewise. + +2014-06-23 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * mips.cc: New file. + * Makefile.am (TARGETSOURCES): Add mips.cc + (ALL_TARGETOBJS): Add mips.$(OBJEXT) + * configure.tgt: Add entries for mips*. + * configure.ac: Likewise. + * Makefile.in: Regenerate. + * configure: Likewise. + +2014-06-09 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_pubnames_table::read_header): Check that + unit_length is within section bounds. + +2014-06-09 Cary Coutant <ccoutant@google.com> + + PR gold/16980 + * layout.cc (Layout::print_to_mapfile): Print unattached sections in + map. + +2014-06-07 Alan Modra <amodra@gmail.com> + + * powerpc.cc (relocate): Treat field of cmpli insn as a bitfield. + +2014-06-06 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.h (Dwarf_pubnames_table): Remove output_section_offset_. + * dwarf_reader.cc (Dwarf_pubnames_table::read_section): Likewise. + (Dwarf_pubnames_table::read_header): Likewise. + * layout.cc (gdb_fast_lookup_sections): Add .debug_gnu_pubnames and + .debug_gnu_pubtypes. + +2014-06-05 Joel Brobecker <brobecker@adacore.com> + + * Makefile.am (CONFIG_STATUS_DEPENDENCIES): New. + * Makefile.in, configure: Regenerate. + +2014-06-03 Alan Modra <amodra@gmail.com> + + * powerpc.cc (addis_12_2): Define. + (Stub_table::do_write): Support fusion on ELFv2 stubs. + +2014-06-03 Alan Modra <amodra@gmail.com> + + * testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility + st_other output. + +2014-06-02 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer): + Only ignore relocs on ELFv1. + (Target_powerpc::global_reloc_may_be_function_pointer): Likewise. + +2014-05-30 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option. + * testsuite/Makefile.in: Regenerate. + * testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w". + +2014-05-27 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/16945 + * x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int + for got_offset. Properly get GOT address for R_X86_64_PLTOFF64. + +2014-05-15 Alan Modra <amodra@gmail.com> + + * powerpc.cc (do_plt_fde_location): Handle zero length .glink. + Compare FDE contents with DW_CFA_nop rather than 0. + +2014-05-13 Sriraman Tallam <tmsriram@google.com> + + * symtab.h (may_need_copy_reloc): Remove check for position independent + code. + * x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no + position independence before pc absolute may_need_copy_reloc call. + Add check for executable output befor pc relative may_need_copy_reloc + call. + * i386.cc: Ditto. + * arm.cc: Ditto. + * sparc.cc: Ditto. + * tilegx.cc: Ditto. + * powerpc.cc: Add check for no position independence before + may_need_copy_reloc calls. + * testsuite/pie_copyrelocs_test.cc: New file. + * testsuite/pie_copyrelocs_shared_test.cc: New file. + * Makefile.am (pie_copyrelocs_test): New test. + * Makefile.in: Regenerate. + +2014-05-08 Martin Liška <mliska@suse.cz> + + * output.cc (Sized_relobj_file::do_layout): Fix typo in info message. + +2014-05-06 Cary Coutant <ccoutant@google.com> + + PR gold/16900 + * i386.cc (Output_data_got_plt_i386): New class. + (Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt + parameter. Change all callers. + (Output_data_plt_i386::layout_): Remove. + (Output_data_plt_i386::got_plt_): Change type. + (Target_i386::got_plt_): Change type. Change all references. + (Target_i386::got_section): Create instance of new class. + (Output_data_got_plt_i386::do_write): New function. + * x86_64.cc (Output_data_got_plt_x86_64): New class. + (Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt + parameter. Change all callers. + (Output_data_plt_x86_64::layout_): Remove. + (Output_data_plt_x86_64::got_plt_): Change type. + (Target_x86_64::got_plt_): Change type. Change all references. + (Target_x86_64::got_section): Create instance of new class. + (Output_data_got_plt_x86_64::do_write): New function. + (Output_data_plt_x86_64::do_write): Don't write reserved words in GOT. + (Target_x86_64<size>::init_got_plt_for_update): Create instance of new + class. + +2014-05-05 Cary Coutant <ccoutant@google.com> + + * gdb-index.cc (Gdb_index_info_reader): Don't complain about language + if we have pubnames/pubtypes. + +2014-05-02 Cary Coutant <ccoutant@google.com> + + * defstd.cc (in_segment): Define __ehdr_start here... + * layout.cc (Layout::finalize): ...Instead of here. Set the + output segment when known. + * resolve.cc (Symbol::override_base_with_special): Remember + the original binding. + * symtab.cc (Symbol::set_output_segment): New function. + (Symbol::set_undefined): New function. + * symtab.h (Symbol::is_weak_undefined): Check original undef + binding. + (Symbol::is_strong_undefined): New function. + (Symbol::set_output_segment): New function. + (Symbol::set_undefined): New function. + * target-reloc.h (is_strong_undefined): Remove. + (issue_undefined_symbol_error): Call Symbol::is_weak_undefined. + Check for hidden undefs. + (relocate_section): Call Symbol::is_strong_undefined. + + * testsuite/Makefile.am (ehdr_start_test_1) + (ehdr_start_test_2, ehdr_start_test_3) + (ehdr_start_test_4, ehdr_start_test_5): New test cases. + * testsuite/Makefile.in: Regenerate. + * testsuite/ehdr_start_def.cc: New source file. + * testsuite/ehdr_start_test.cc: New source file. + * testsuite/ehdr_start_test.t: New linker script. + * testsuite/ehdr_start_test_4.sh: New shell script. + +2014-04-23 Cary Coutant <ccoutant@google.com> + + PR gold/16870 + * x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break. + +2014-04-15 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * layout.cc (Layout::include_section): Allow a target to decide + whether to include a section. + * target.h (Target::should_include_section): New function. + (Target::do_should_include_section): New function. + +2014-04-15 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and + inline into ... + (Copy_relocs::emit): ... here. + * copy-relocs.h (Copy_reloc_entry): Change from class to struct. + (Copy_reloc_entry::make_copy_reloc): Change from private to protected. + (Copy_reloc_entry::entries_): Change from private to protected. + +2014-04-02 Sriraman Tallam <tmsriram@google.com> + + * icf.cc (get_section_contents): Replace copies of reloc + vectors with const references. + +2014-04-02 Cary Coutant <ccoutant@google.com> + + * configure.ac (HAVE_PUBNAMES): Use C instead of C++. + (HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin. + * configure: Regenerate. + * testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for + -fno-use-linker-plugin. + (LINK1, CXXLINK1): Add it to the link command. + * testsuite/Makefile.in: Regenerate. + +2014-03-12 Alan Modra <amodra@gmail.com> + + * Makefile.in: Regenerate. + +2014-03-10 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * symtab.h (Symbol::set_nonvis): New function. + +2014-03-10 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * symtab.cc (Sized_symbol<32>::init_output_data): + Instantiate the template. + (Sized_symbol<64>::init_output_data): Likewise. + +2014-03-10 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * symtab.cc (Symbol_table::sized_write_globals): Allow a target to + adjust dynamic symbol value. + * target.h (Target::adjust_dyn_symbol): New function. + (Target::do_adjust_dyn_symbol): New function. + +2014-03-10 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * output.cc (Output_data_dynamic::Dynamic_entry::write): + Get the value of DYNAMIC_CUSTOM dynamic entry. + * output.h (Output_data_dynamic::add_custom): New function. + (Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM + dynamic entry. + (enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM. + * target.h (Target::dynamic_tag_custom_value): New function. + (Target::do_dynamic_tag_custom_value): New function. + +2014-03-10 Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set + dynsym indexes. + * target.h (Target::has_custom_set_dynsym_indexes): New function. + (Target::do_has_custom_set_dynsym_indexes): New function. + (Target::set_dynsym_indexes): New function. + (Target::do_set_dynsym_indexes): New function. + +2014-03-07 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add + CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN. + (Powerpc_relocate_functions::has_overflow_unsigned): New function. + (Powerpc_relocate_functions::has_overflow_bitfield, + overflowed): Use the above. + (Target_powerpc::Relocate::relocate): Correct overflow checking + for a number of relocations. Modify overflow test for 16-bit + fields in instructions to signed/unsigned according to whether + the field takes a signed or unsigned value. + +2014-03-05 Alan Modra <amodra@gmail.com> + + Update copyright years. + +2014-03-05 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Scan::local, global): Support + R_PPC64_ADDR64_LOCAL. + (Target_powerpc::Relocate::relocate): Likewise. + +2014-03-03 Alan Modra <amodra@gmail.com> + + * dwp.cc (print_version): Update copyright year to current. + +2014-02-10 Alan Modra <amodra@gmail.com> + + * po/gold.pot: Regenerate. + +2014-02-06 Cary Coutant <ccoutant@google.com> + + Fix problem where -u is ignored when a weak undef is seen. + + * archive.cc (Library_base::should_include_member): Reorder + code to check for -u option if a weak undef has already been seen. + * testsuite/Makefile.am (weak_undef_test_2): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/weak_undef_file3.cc: New file. + * testsuite/weak_undef_file4.cc: New file. + * testsuite/weak_undef_test_2.cc: New file. + +2014-02-05 Cary Coutant <ccoutant@google.com> + + Fix issues with gold undefined symbol diagnostics. + + PR binutils/15435 + * errors.cc (Errors::undefined_symbol): Move undef vtable symbol + check to here. + * target-reloc.h (is_strong_undefined): New function. + (relocate_section): Move undef vtable symbol check from here. + Check for is_strong_undefined. + +2014-02-05 Cary Coutant <ccoutant@google.com> + + Fix problems with the --dynamic-list option. + + PR gold/13577 + * options.cc (General_options::parse_dynamic_list): + Set have_dynamic_list_. + (General_options::General_options): Initialize have_dynamic_list_. + (General_options::finalize): Turn off -Bsymbolic and + -Bsymbolic-functions if --dynamic-list provided. + * options.h (General_options::have_dynamic_list): New function. + (General_options::have_dynamic_list_): New data member. + * symtab.h (Symbol::is_preemptible): Handle --dynamic-list + correctly. + + PR gold/16530 + * symtab.cc (Symbol_table::add_from_relobj): If symbol is named + in --dynamic-list, mark it. + + * testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case. + (dynamic_list_2): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/dynamic_list_2.cc: New file. + * testsuite/dynamic_list_2.t: New file. + * testsuite/dynamic_list_lib1.cc: New file. + * testsuite/dynamic_list_lib2.cc: New file. + * testsuite/gc_dynamic_list_test.c: New file. + * testsuite/gc_dynamic_list_test.sh: New file. + * testsuite/gc_dynamic_list_test.t: New file. + +2014-01-28 Cary Coutant <ccoutant@google.com> + + Add .gdb_index version 7 support. + + * dwarf_reader.cc: include <utility> (for make_pair). + (Dwarf_abbrev_table::do_read_abbrevs): Check for compressed + debug sections. + (Dwarf_ranges_table::read_ranges_table): Likewise. + (Dwarf_pubnames_table::read_section): Check for GNU-style + sections, and for compressed debug sections. + (Dwarf_pubnames_table::read_header): Compute end address of table. + (Dwarf_pubnames_table::next_name): Return flag_byte. Check + for end of list by offset, not by offset == 0. + (Dwarf_info_reader::do_read_string_table): Check for compressed + debug sections. + * dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table): + Initialize new data members. + (Dwarf_pubnames_table::next_name): return flag_byte. + (Dwarf_pubnames_table::end_of_table_): New data member. + (Dwarf_pubnames_table::is_gnu_style_): New data member. + * gdb-index.cc (gdb_index_version): Update to version 7. + (Gdb_index_info_reader::read_pubtable): Read flag_byte. + (Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't + read skeleton type unit DIEs. + (Gdb_index::add_symbol): Add flag_byte; adjust all callers. + (Gdb_index::do_write): Write flag_byte. + * gdb-index.h (Gdb_index::add_symbol): Add flags parameter. + (Gdb_index::Cu_vector): Store flags along with cu indexes. + * testsuite/gdb_index_test_3.sh: Allow versions 4-7. + * testsuite/gdb_index_test_comm.sh: Likewise. + +2014-01-08 H.J. Lu <hongjiu.lu@intel.com> + + * version.cc (print_version): Update copyright year to 2014. + +2013-12-19 Dimitry Andric <dimitry@andric.com> + + * stringpool.cc (Stringpool_template::reserve): Add + HAVE_UNORDERED_MAP case. + * stringpool.cc (Stringpool_template::print_stats): Likewise. + +2013-12-18 Cary Coutant <ccoutant@google.com> + + * configure.ac: Check for <unordered_set> and <unordered_map>. + * config.in: Regenerate. + * configure: Regenerate. + * system.h: Use <unordered_set> and <unordered_map> if available. + +2013-12-10 Roland McGrath <mcgrathr@google.com> + + * Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses + with $(INSTALL_PROGRAM_ENV). + * Makefile.in: Regenerate. + +2013-11-22 Cary Coutant <ccoutant@google.com> + + * configure.ac: Add check for which library is needed for + dlopen. + * configure: Regenerate. + +2013-11-22 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree + assembler. + * testsuite/Makefile.in: Regenerate. + +2013-11-17 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags): + Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like + R_X86_64_PC32 and R_X86_64_PLT32, respectively. + (Target_x86_64<size>::Scan::local): Likewise. + (Target_x86_64<size>::Scan::global): Likewise. + (Target_x86_64<size>::Relocate::relocate): Likewise. + (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + (Target_x86_64<size>::Scan::check_non_pic(): Handle + R_X86_64_PC32_BND. + + * testsuite/Makefile.am (check_PROGRAMS): Add + exception_x86_64_bnd_test. + (exception_x86_64_bnd_test_SOURCES): New macro. + (exception_x86_64_bnd_test_DEPENDENCIES): Likewise. + (exception_x86_64_bnd_test_LDFLAGS): Likewise. + (exception_x86_64_bnd_test_LDADD): Likewise. + (exception_x86_64_bnd_1.o): New rule. + (exception_x86_64_bnd_2.o): Likewise. + * testsuite/Makefile.in: Regenerated. + +2013-11-15 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::glink_section): Provide non-const + accessor. + (Target_powerpc::Branch_info::make_stub): Make global entry stubs. + Only call ppc64_local_entry_offset for 64-bit. Restrict + symval_for_branch lookup to ELFv1. + (Stub_table::add_plt_call_entry): Use unsigned int off. + (Output_data_glink::Address, invalid_address): New. + (Output_data_glink::add_eh_frame): Move out of line. Add + support for ELFv2. + (Output_data_glink::add_global_entry, find_global_entry, + global_entry_address): New functions. + (Output_data_glink::global_entry_stubs_, end_branch_table_, + ge_size): New variables. + (Output_data_glink::set_final_data_size): Add global entry + stub sizing. + (Output_data_glink::do_write): Write global entry stubs. + (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target + parameter. Return true for ELFv2. Adjust callers. + (Target_powerpc::Scan::local, global): Restrict opd lookup to + ELFv1. Similarly for ifunc and dynamic relocation processing + specific to ELFv1. Recognize that symbols are defined on + their plt entries for ELFv2. + (Target_powerpc::symval_for_branch): Assert if called for + ELFv2 or ppc32. + (Target_powerpc::Relocate::relocate): Use global entry plt + stub for symbol value if such exists on ELFv2. + (Target_powerpc::Relocate::relocate): Don't call + symval_for_branch when ELFv2. Do adjust for local entry + offset when ELFv2. + (Target_powerpc::do_dynsym_value): Set symbols to global entry + plt stub for ELFv2. + (Target_powerpc::do_plt_address_for_global): Similarly. + +2013-11-14 Cary Coutant <ccoutant@google.com> + + Revert patch -- this did not fix the problem, and there is + no race there. + + 2013-11-14 Cary Coutant <ccoutant@google.com> + + PR gold/14860 + * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_. + (Ehframe_hdr::set_final_data_size): Allocate a Lock. + * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while + updating fde_offsets_. + (Eh_frame_hdr::lock_): New data member. + +2013-11-14 Cary Coutant <ccoutant@google.com> + + * dwp.cc (Dwo_file_entry): New type. + (File_list): Use Dwo_file_entry. + (Dwo_file::verify): New function. + (Dwo_file::verify_dwo_list): New function. + (Dwo_file::sized_verify_dwo_list): New function. + (Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file + list. + (Dwp_options): New enum type. + (dwp_options): Add --verify-only. + (usage): Likewise. + (main): Likewise. + * dwp.h (gold_info): Add declaration. + +2013-11-14 Cary Coutant <ccoutant@google.com> + + PR gold/14860 + * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_. + (Ehframe_hdr::set_final_data_size): Allocate a Lock. + * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while + updating fde_offsets_. + (Eh_frame_hdr::lock_): New data member. + +2013-11-06 Cary Coutant <ccoutant@google.com> + + PR gold/15758 + * object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections + before reloc sections. + +2013-11-04 Alan Modra <amodra@gmail.com> + + * symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI. + (Symbol::needs_dynamic_reloc): Test new flag. + * powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete. + (Target_powerpc::Scan::get_reference_flags): Add target param. + Return FUNC_DESC_ABI for 64-bit ELFv1. + (Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags + call. + (Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc. + (Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset. + +2013-10-31 Cary Coutant <ccoutant@google.com> + + Restore support for dwp v2 DWARF package file format. + + * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add + tu_length parameter. Adjust all callers. + * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise. + * dwp.cc: Include dwarf.h. + (Section_bounds): New struct type. + (Unit_set): New struct type. + (Dwo_file::Dwo_file): Initialize new data member. + (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index): + Combine and rename to... + (Dwo_file::read_unit_index): ...this. + (Dwo_file::sized_read_compunit_index) + (Dwo_file::sized_read_typeunit_index): Combine and rename to... + (Dwo_file::sized_read_unit_index): ...this. + (Dwo_file::copy_section): Remove section_name, is_str_offsets + parameters; add section_id parameter. + (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to... + (Dwo_file::add_unit_set): ...this. + (Dwo_file::shndx_map_): Remove. + (Dwo_file::sect_offsets_): New data member. + (Dwp_output_file::Dwp_output_file): Initialize new data members. + (Dwp_output_file::add_section): Rename to... + (Dwp_output_file::add_contribution): ...this. + (Dwp_output_file::add_cu_set): Combine parameters into a struct. + (Dwp_output_file::add_tu_set): Likewise. + (Dwp_output_file::Contribution): New type. + (Dwp_output_file::Section::contributions): New data member. + (Dwp_output_file::Cu_or_tu_set): Remove. + (Dwp_output_file::Section::Section): New ctor. + (Dwp_output_file::Dwp_index::Shndx_pool): Remove. + (Dwp_output_file::Dwp_index::Section_table): New type. + (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members. + (Dwp_output_file::Dwp_index::enter_set): Change type of "set" + parameter. + (Dwp_output_file::Dwp_index::shndx_pool): Remove. + (Dwp_output_file::Dwp_index::shndx_pool_end): Remove. + (Dwp_output_file::Dwp_index::section_table): New member function. + (Dwp_output_file::Dwp_index::section_table_end): New member function. + (Dwp_output_file::Dwp_index::shndx_pool_size): Remove. + (Dwp_output_file::Dwp_index::section_table_rows): New member function. + (Dwp_output_file::Dwp_index::section_table_cols): New member function. + (Dwp_output_file::Dwp_index::shndx_pool_): Remove. + (Dwp_output_file::Dwp_index::section_table_): New data member. + (Dwp_output_file::Dwp_index::section_mask_): New data member. + (Dwp_output_file::add_output_section): New member function. + (Dwp_output_file::write_new_section): New member function. + (Dwp_output_file::write_contributions): New member function. + (Dwp_output_file::section_id_map_): New data member. + (class Dwo_id_info_reader): Remove. + (class Unit_reader): New class. + (get_dwarf_section_name): New function. + (Dwo_file::read_executable): Adjust initializations of class data. + (Dwo_file::read): Add support for v2 package file format. + (Dwo_file::read_unit_index): Likewise. + (Dwo_file::sized_read_unit_index): Likewise. + (Dwo_file::copy_section): Likewise. + (Dwo_file::add_unit_set): Likewise. + (Dwp_output_file::add_output_section): Likewise. + (Dwp_output_file::add_contribution): Likewise. + (Dwp_output_file::Dwp_index::find_or_add): Use row index to check + for empty slot. + (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package + file format. + (Dwp_output_file::Dwp_index::grow): Use row index to check for empty + slot. + (Dwp_output_file::initialize): Remove unused function. + (Dwp_output_file::finalize): Add support for v2 package file format. + (Dwp_output_file::write_index): Likewise. + * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust + function prototype. + +2013-10-31 Cary Coutant <ccoutant@google.com> + + * configure.ac: Fix check for -fmerge-constants. + * configure.ac: Regenerate. + +2013-10-30 Roland McGrath <mcgrathr@google.com> + + * x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry): + Correct 9-byte nop sequence to match what the assembler generates. + +2013-10-30 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::abiversion, set_abiversion, + ppc64_local_entry_offset, ppc64_local_entry_offset, + do_read_symbols): New functions. + (Powerpc_relobj::e_flags_, st_other_): New vars. + (Powerpc_relobj::Powerpc_relobj): Call set_abiversion. + (Powerpc_dynobj::abiversion, set_abiversion): New functions. + (Powerpc_relobj::e_flags_): New var. + (Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline + and adjust for ELFv2. + (Target_powerpc::abiversion, set_abiversion, stk_toc): New functions. + (Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2. + (Powerpc_dynobj::do_find_special_sections): Likewise. + (Target_powerpc::do_define_standard_symbols): Define ".TOC.". + (Target_powerpc::Branch_info::make_stub): Adjust stub destination + to ELFv2 local entry. + (Target_powerpc::do_relax): No thread safe barriers needed for + ELFv2. + (Output_data_plt_powerpc::initial_plt_entry_size_, + plt_entry_size): Delete. Replace all uses with + first_plt_entry_offset() and plt_entry_size(). + (Output_data_plt_powerpc::Output_data_plt_powerpc): Remove + reserved_size parm. Update callers. + (Output_data_plt_powerpc::entry_count): Update. + (Output_data_plt_powerpc::first_plt_entry_offset): Make private + and use Target_powerpc::first_plt_entry_offset(). + (Output_data_plt_powerpc::get_plt_entry_size): Similarly and + rename to plt_entry_size. + (Output_data_plt_powerpc::add_ifunc_entry, + add_local_ifunc_entry): Adjust reloc for ELFv2. + (glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1. + (glink_eh_frame_fde_64v2): New. + (Stub_table::plt_call_size): Support ELFv2 sizing. + (Output_data_glink::add_eh_frame): Use the new FDE. + (Output_data_glink::set_final_data_size): Adjust for ELFv2 glink. + (Stub_table::do_write): Write ELFv2 stubs and glink. + (Target_powerpc::Relocate::relocate): Replaces nop after call + with ld 2,24(1) and adjust local offset destination for ELFv2. + +2013-10-30 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs. + (Target_powerpc::Scan::global, local): Likewise. + (Target_powerpc::Relocate::relocate): Likewise. Check for overflow + on all ppc64 @h and @ha relocs. + +2013-10-14 Alan Modra <amodra@gmail.com> + + * output.h (Output_data_got::add_constant): Tidy. + (Output_data_got::add_constant_pair): New function. + * powerpc.cc (Output_data_got_powerpc): Override all Output_data_got + methods used so as to first call reserve_ent(). + +2013-10-11 Roland McGrath <mcgrathr@google.com> + + * powerpc.cc (Output_data_got_powerpc): Remove unused methods + add_got_entry and add_got_entry_pair. + + * configure.ac (TLS_GNU2_DIALECT): Use -Werror in test. + (HAVE_PUBNAMES): Likewise. + * configure: Regenerate. + + * testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout. + * testsuite/Makefile.in: Regenerate. + + * target.h (Target::adjust_elf_header, Target::do_adjust_elf_header): + Remove const from declaration. + * target.cc (Sized_target::do_adjust_elf_header): Update definition. + * sparc.cc (Target_sparc::do_adjust_elf_header): Likewise. + * output.h (Output_file_header): Remove const from member target_ + and corresponding constructor argument. + * output.cc (Output_file_header::Output_file_header): Update prototype. + (Output_file_header::do_sized_write): Use this->target_ in place + of parameters()->target(). + + * testsuite/undef_symbol.cc (Foo::get_a): New method. + + * configure.ac (MERGE_CONSTANTS_FLAG): New check. + * configure: Regenerate. + * Makefile.in: Regenerate. + * testsuite/merge_string_literals_1.c: Renamed to have .cc suffix. + * testsuite/merge_string_literals_2.c: Likewise. + * testsuite/Makefile.am + (merge_string_literals_1.o, merge_string_literals_2.o): Update deps. + (AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of + literal -fmerge-constants. + * testsuite/Makefile.in: Regenerate. + + * i386.cc (Target_i386): Remove unused member dynbss_. + * arm.cc (Target_arm): Likewise. + * powerpc.cc (Target_powerpc): Likewise. + * sparc.cc (Target_sparc): Likewise. + * tilegx.cc (Target_tilegx): Likewise. + * x86_64.cc (Target_x86_64): Likewise. + * dwarf_reader.h (Dwarf_info_reader): Remove unused members + type_signature_, type_offset_. + * plugin.h (Plugin_hook): Remove unused member layout_. + * readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_, + mapfile_. + (Read_member): Remove unused members input_objects_, symtab_, + mapfile_, layout_. + (Check_library): Remove unused member symtab_. + * archive.h (Lib_group): Remove unused member lib_. + * archive.cc (Lib_group::Lib_group): Update initializer. + * incremental.h (Incremental_binary): Remove unused member target_. + (Incremental_script_entry): Removed unused member script_. + * layout.h (Write_symbols_task): Remove unused member input_objects_. + * icf.h (Icf): Remove unused member num_tracked_relocs. + + * gold-threads.h (Once): Conditionalize member was_run_lock_ on + [ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching + its only use. + * gold-threads.cc (Once::Once): Likewise conditionalize initializer. + + * archive.h: Use struct rather than class for forward declaration + of Read_symbols_data. + +2013-10-07 Cary Coutant <ccoutant@google.com> + + PR gold/16010 + * testsuite/Makefile.am (icf_test): Fix dependencies. + (icf_safe_test): Likewise. + (icf_safe_so_test): Likewise. + (large_symbol_alignment): Add empty _LDADD rule. + * testsuite/Makefile.in: Regenerate. + +2013-09-03 Pavel Chupin <pavel.v.chupin@intel.com> + + PR gold/15927 + * x86_64.cc (Target_x86_64<size>::Scan::global): Use relative + relocation for R_X86_64_32 on x32. + +2013-08-27 Roland McGrath <mcgrathr@google.com> + + * output.cc (Output_segment::set_section_addresses): Take new + Target* argument. If target->isolate_execinstr() and the segment + is executable and starts at a target->abi_pagesize() boundary, + pad its end out to a target->abi_pagesize() boundary with code fill. + * output.h (Output_segment::set_section_addresses): Update decl. + * layout.h (Layout::check_output_data_for_reset_values): Take new + argument RELAX_OUTPUTS. + (Layout): New member relax_output_list_. + (Layout::add_relax_output): New method. + * layout.cc (Layout::Layout): Update constructor. + (Layout::reset_relax_output): New method. + (Layout::clean_up_after_relaxation): Call it. + (Layout::prepare_for_relaxation): Update caller. + (Layout::set_segment_offsets): Update callers of set_section_addresses. + Call reset_relax_output before re-processing segments for + isolate_execinstr case. + (Layout::write_data): Handle relax_output_list_. + (Layout::Relaxation_debug_check::check_output_data_for_reset_values): + Take new argument RELAX_OUTPUTS. Assert it's an empty collection. + +2013-08-23 Yuri Chornoivan <yurchor@ukr.net> + + PR binutils/15834 + * object.h: Fix typos. + +2013-08-16 Roland McGrath <mcgrathr@google.com> + + * i386.cc (Target_i386_nacl::do_code_fill): New virtual function. + * x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function. + +2013-08-07 Cary Coutant <ccoutant@google.com> + + Revert support for v2 DWP files: + + 2013-03-01 Cary Coutant <ccoutant@google.com> + + Add dwp support for v2 DWARF package file format. + * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add + tu_length parameter. Adjust all callers. + * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise. + * dwp.cc: Include dwarf.h. + (Section_bounds): New struct type. + (Unit_set): New struct type. + (Dwo_file::Dwo_file): Initialize new data member. + (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index): + Combine and rename to... + (Dwo_file::read_unit_index): ...this. + (Dwo_file::sized_read_compunit_index) + (Dwo_file::sized_read_typeunit_index): Combine and rename to... + (Dwo_file::sized_read_unit_index): ...this. + (Dwo_file::copy_section): Remove section_name, is_str_offsets + parameters; add section_id parameter. + (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to... + (Dwo_file::add_unit_set): ...this. + (Dwo_file::shndx_map_): Remove. + (Dwo_file::sect_offsets_): New data member. + (Dwp_output_file::Dwp_output_file): Initialize new data members. + (Dwp_output_file::add_section): Rename to... + (Dwp_output_file::add_contribution): ...this. + (Dwp_output_file::add_cu_set): Combine parameters into a struct. + (Dwp_output_file::add_tu_set): Likewise. + (Dwp_output_file::Contribution): New type. + (Dwp_output_file::Section::contributions): New data member. + (Dwp_output_file::Cu_or_tu_set): Remove. + (Dwp_output_file::Section::Section): New ctor. + (Dwp_output_file::Dwp_index::Shndx_pool): Remove. + (Dwp_output_file::Dwp_index::Section_table): New type. + (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members. + (Dwp_output_file::Dwp_index::enter_set): Change type of "set" + parameter. + (Dwp_output_file::Dwp_index::shndx_pool): Remove. + (Dwp_output_file::Dwp_index::shndx_pool_end): Remove. + (Dwp_output_file::Dwp_index::section_table): New member function. + (Dwp_output_file::Dwp_index::section_table_end): New member function. + (Dwp_output_file::Dwp_index::shndx_pool_size): Remove. + (Dwp_output_file::Dwp_index::section_table_rows): New member function. + (Dwp_output_file::Dwp_index::section_table_cols): New member function. + (Dwp_output_file::Dwp_index::shndx_pool_): Remove. + (Dwp_output_file::Dwp_index::section_table_): New data member. + (Dwp_output_file::Dwp_index::section_mask_): New data member. + (Dwp_output_file::add_output_section): New member function. + (Dwp_output_file::write_new_section): New member function. + (Dwp_output_file::write_contributions): New member function. + (Dwp_output_file::section_id_map_): New data member. + (class Dwo_id_info_reader): Remove. + (class Unit_reader): New class. + (get_dwarf_section_name): New function. + (Dwo_file::read_executable): Adjust initializations of class data. + (Dwo_file::read): Add support for v2 package file format. + (Dwo_file::read_unit_index): Likewise. + (Dwo_file::sized_read_unit_index): Likewise. + (Dwo_file::copy_section): Likewise. + (Dwo_file::add_unit_set): Likewise. + (Dwp_output_file::add_output_section): Likewise. + (Dwp_output_file::add_contribution): Likewise. + (Dwp_output_file::Dwp_index::find_or_add): Use row index to check + for empty slot. + (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package + file format. + (Dwp_output_file::Dwp_index::grow): Use row index to check for empty + slot. + (Dwp_output_file::initialize): Remove unused function. + (Dwp_output_file::finalize): Add support for v2 package file format. + (Dwp_output_file::write_index): Likewise. + * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust + function prototype. + +2013-07-31 Cary Coutant <ccoutant@google.com> + + * object.cc (Sized_relobj::do_output_section_address): New function. + (Sized_relobj): Instantiate explicitly. + * object.h (Object::output_section_address): New function. + (Object::do_output_section_address): New function. + (Sized_relobj::do_output_section_address): New function. + * powerpc.cc (Target_powerpc::symval_for_branch): Use it. + +2013-07-30 Cary Coutant <ccoutant@google.com> + Sasa Stankovic <Sasa.Stankovic@imgtec.com> + + * parameters.cc (Parameters::entry): Return target-specific entry + symbol name. + * target.h (Target::entry_symbol_name): New function. + (Target_info::entry_symbol_name): New data member. + + * arm.cc (Target_arm::arm_info): Add entry_symbol_name. + * i386.cc (Target_i386::i386_info): Likewise. + (Target_i386_nacl::i386_nacl_info): Likewise. + * sparc.cc (Target_sparc::sparc_info): Likewise. + * tilegx.cc (Target_tilegx::tilegx_info): Likewise. + * x86_64.cc: (Target_x86_64::x86_64_info) Likewise. + (Target_x86_64_nacl::x86_64_nacl_info) Likewise. + * testsuite/testfile.cc (Target_test::test_target_info): Likewise. + +2013-07-22 Sterling Augustine <saugustine@google.com> + + * dwarf_reader.cc (Dwarf_pubnames_table::read_section): + Convert parameter shndx to local variable. Add parameters symtab + and symtab_size. Scan over section names. Find relocation + section corresponding to current section. Create and initialize + reloc_mapper_ and reloc_type_. + (Dwarf_pubnames_table::read_header): Add assertion. Change + unit_length to off_t. Initialize member unit_length_. Fill in field + cu_offset_. + * dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table): + Initialize new fields unit_length_ and cu_offset_. + (Dwarf_pubnames_table::read_section): Update prototype. + (Dwarf_pubnames_table::cu_offset): New member function. + (Dwarf_pubnames_table::subsection_size): Likewise. + (Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length): + New fields. + (Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make + member functions public. + * gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes): + Update comment. Rework logic. Move repeated parts to... + (Gdb_index_info_reader::read_pubtable): ...here. New function. + (Gdb_index::Gdb_index): Initialize new fields, pubnames_table_, + pubtypes_table_, and stmt_list_offset. + (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset, + Gdb_index::find_pubtype_offset, + Gdb_index::map_pubnames_and_types_to_dies): Define new functions. + (Gdb_index::pubnames_read): Update prototype and rework logic. + * gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table): + Forward declare. + (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset, + Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table) + Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies, + Gdb_index::map_pubtable_to_dies): + Declare functions. + (Gdb_index::pubnames_read): Update declaration. + (Gdb_index::Pubname_offset_map): New type. + (Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_, + Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_, + Gdb_index::stmt_list_offset): Declare. + (Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_, + Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_) + Gdb_index::pubtypes_offset_): Remove. + +2013-07-19 Roland McGrath <mcgrathr@google.com> + + * options.h (General_options): Add -Trodata-segment option. + * parameters.cc (Parameters::check_rodata_segment): New function. + (Parameters::set_target_once): Call it. + * parameters.h (Parameters): Declare it (private member function). + * layout.cc (load_seg_unusable_for_headers): New function, broken + out of Layout::relaxation_loop_body. If TARGET->isolate_execinstr() + then validate rodata segment rather than text segment. + (relaxation_loop_body): Call that. + (is_text_segment): New function. Don't admit a non-executable + segment if TARGET->isolate_execinstr(). + (set_segment_offsets): Call it. Honor -Trodata-segment option. + +2013-07-15 Shawn Landden <shawnlandden@gmail.com> + + PR gold/15070 + * fileread.h (File_read::get_view): Clarify comment about ALIGNED. + * nacl.h (Sniff_file::View::View): Request aligned view. + +2013-07-11 Cary Coutant <ccoutant@google.com> + + * powerpc.cc (Target_powerpc::write_branch_lookup_table): Use + correct BRLT entry size. + +2013-07-03 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call + comment. + +2013-07-01 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save + reloc_type_. + (Dwarf_ranges_table::read_range_list): Call lookup_reloc. + (Dwarf_ranges_table::lookup_reloc): New function. + * dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize + reloc_type_. + (Dwarf_ranges_table::lookup_reloc): New function. + (Dwarf_ranges_table::reloc_type_): New data member. + +2013-06-27 Jing Yu <jingyu@google.com> + + PR gold/15662 + * powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New + function. + (Output_data_brlt_powerpc::finalize_brlt_sizes): New function. + (Target_powerpc::do_relax): Call the above. + +2013-06-27 Cary Coutant <ccoutant@google.com> + + * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert + on garbage collected .opd section. + +2013-06-27 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx + is non-zero. + (Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx(). + (Target_powerpc::do_function_location): Likewise for loc->shndx. + +2013-06-14 Cary Coutant <ccoutant@google.com> + + * resolve.cc (Symbol::override_base): Don't override st_type + from plugin placeholder symbols. + (Symbol_table::resolve): Likewise. + (Symbol_table::should_override): Don't complain about TLS mismatch + if the TO symbol is a plugin placeholder. + * testsuite/Makefile.am (plugin_test_tls): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test_tls.sh: New test script. + * testsuite/two_file_test_2_tls.cc: New test source. + * testsuite/two_file_test_tls.cc: New test source. + +2013-06-05 Alexander Ivchenko <alexander.ivchenko@intel.com> + + * layout.cc (Layout::set_segment_offsets): Taking care of the case when + the maximum segment alignment is larger than the page size. + * testsuite/Makefile.am (large_symbol_alignment): Test that Gold + correctly aligns the symbols with large alignemnt. + * testsuite/Makefile.in: Regenerate. + * testsuite/large_symbol_alignment.cc: New file. + +2013-05-30 Alexander Ivchenko <alexander.ivchenko@intel.com> + Sriraman Tallam <tmsriram@google.com> + + * options.h (sort_section): New option. + * output.h (Input_section_sort_section_prefix_special_ordering_compare): + Rename from Input_section_sort_section_name_special_ordering_compare. + (Input_section_sort_section_name_compare): New struct. + * output.cc (Output_section::Input_section_sort_section_name_compare:: + operator()): New function. + (Output_section::sort_attached_input_sections): Use new sort function + for .text if --sort-section=name is specified. + * layout.cc (Layout::make_output_section): + Add sorting by name when --sort-section=name is specified. + * testsuite/Makefile.am (text_section_grouping): Test option + --sort-section=name. + * testsuite/Makefile.in: Regenerate. + * testsuite/section_sorting_name.cc: New file. + * testsuite/section_sorting_name.sh: New file. + +2013-05-21 Cary Coutant <ccoutant@google.com> + + * symtab.h (Symbol::is_cxx_vtable): New function. + * target-reloc.h (relocate_section): Check for vtable symbol. + * testsuite/Makefile.am (missing_key_func.sh): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/missing_key_func.cc: New test source. + * testsuite/missing_key_func.sh: New test script. + +2013-05-21 Cary Coutant <ccoutant@google.com> + + * object.cc (Sized_relobj_file::get_symbol_location_info): Set + type of enclosing symbol. + (Relocate_info::location): Check symbol type when describing symbol. + * object.h (Symbol_location_info): Remove unused line_number; + add enclosing_symbol_type. + * testsuite/debug_msg.sh: Adjust expected output. + +2013-05-13 Cary Coutant <ccoutant@google.com> + + * configure.ac: Export DEFAULT_TARGET. + * configure: Regenerate. + * Makefile.in: Regenerate. + * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES. + * testsuite/Makefile.in: Regenerate. + * testsuite/debug_msg.sh: Delete duplicate tests. + Don't check undef_int error message match for powerpc where the + source file and line number aren't available. + +2013-05-10 Roland McGrath <mcgrathr@google.com> + + * options.h (General_options): Add --rosegment-gap option. + * options.cc (finalize): --rosegment-gap implies --rosegment. + * layout.cc (set_segment_offsets): Let user option override + target->rosegment_gap(). + +2013-05-10 Roland McGrath <mcgrathr@google.com> + + * options.h (General_options): Remove leading space from help + messages for -nostdlib and --rosegment. + +2013-05-03 Maciej W. Rozycki <macro@codesourcery.com> + + PR ld/15365 + * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN. + +2013-05-03 Alan Modra <amodra@gmail.com> + + * merge.cc (Output_merge_string::do_add_input_section): Correct + scan for number of strings. Rename vars to avoid shadowing. + Include missing terminator in input_size_. + +2013-05-01 H.J. Lu <hongjiu.lu@intel.com> + + * merge.cc (Output_merge_string<Char_type>::do_add_input_section): + Restore empty string handling. + +2013-05-01 Cary Coutant <ccoutant@google.com> + + * stringpool.cc (Stringpool_template::new_key_offset): Fix + uninitialized warning. + +2013-04-29 Alexander Ivchenko <alexander.ivchenko@intel.com> + + * output.cc (Output_section::add_merge_input_section): Allow + to merge sections if the alignment is more than character size. + * merge.h (Output_merge_string::Output_merge_string): Remove + assert. + * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count + only not-null strings. Check the alignment of strings. + * stringpool.h + (Stringpool_template<Stringpool_char>::Stringpool_template): Add + alignment as the argument. + (Stringpool_template<Stringpool_char>::addralign_): New class member. + * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset): + Align non-zero length strings according to the addralign_. + (Stringpool_template<Stringpool_char>::set_string_offsets): + Updating offsets according to the given alignment. + * testsuite/Makefile.am (text_section_grouping): Test if string + literals are getting merged. + * testsuite/Makefile.in: Regenerate. + * testsuite/merge_string_literals_1.c: New file. + * testsuite/merge_string_literals_2.c: Ditto. + * testsuite/merge_string_literals.sh: Ditto. + +2013-04-26 Ian Lance Taylor <iant@google.com> + + * target-reloc.h (relocate_section): If the reloc offset is out of + range, pass VIEW as NULL to relocate.relocate. + * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view. + * i386.cc (Target_i386::Relocate::relocate): Likewise. + * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise. + * sparc.cc (Target_sparc::Relocate::relocate): Likewise. + * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise. + * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise. + +2013-04-26 Geoff Pike <gpike@chromium.org> + + * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks(). + * layout.cc (Hash_task): New class. + (Layout::queue_build_id_tasks): New function. + (Layout::write_build_id): Handle single-thread portion of build ID + computation. (In some cases, all of it is single-threaded.) Replace + {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same + functionality in fewer lines of code. + * layout.h (Layout::queue_build_id_tasks): New function declaration. + * options.h (General_options): make "--build-id" default to tree + rather than sha1. Add two new options related to --build-id=tree: + --build-id-chunk-size-for-treehash and + --build-id-min-file-size-for-treehash. + * Makefile.am: add testing of --build-id=tree and related new options + (these tests will be invoked by "make check"). + * Makefile.in: Regenerate. + +2013-04-25 Alan Modra <amodra@gmail.com> + + * configure.tgt: Add powerpcle and powerpc64le. + +2013-04-22 Alan Modra <amodra@gmail.com> + + PR gold/15355 + * layout.cc (Layout::segment_precedes): Allow more than one + segment with the same type and flags. + +2013-04-15 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::set_relocatable_section_offsets): Don't + allocate space in file for BSS sections. + +2013-04-15 Cary Coutant <ccoutant@google.com> + + * script-sections.cc (Orphan_output_section): Reset address + to zero after each orphaned section for relocatable links. + +2013-04-15 Cary Coutant <ccoutant@google.com> + + * symtab.cc (Symbol_table::sized_write_globals): Subtract + section starting address for relocatable link. + * testsuite/Makefile.am (script_test_11): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/script_test_11.c: New source file. + * testsuite/script_test_11.t: New linker script. + +2013-04-13 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set + owner when sections are not adjacent and exceed group size. + (Target_powerpc::group_sections): Handle corner case. + (Target_powerpc::Branch_info::make_stub): Handle case where + stub table doesn't exist due to branches in non-exec sections. + (Target_powerpc::Relocate::relocate): Likewise. + +2013-04-11 Alan Modra <amodra@gmail.com> + + PR gold/15354 + * powerpc.cc (Target_powerpc::make_brlt_section): Name section + .branch_lt to match bfd ld. Adjust comments throughout file. + +2013-04-04 Ian Lance Taylor <iant@google.com> + + GCC PR c++/56840 + * object.cc (do_layout_deferred_sections): Handle .eh_frame + sections before checking whether they are included in the link. + +2013-03-29 Sriraman Tallam <tmsriram@google.com> + + * archive.cc (Archive::get_elf_object_for_member): Create the elf + object before calling the plugin claim_file handler. Pass the elf + object of the archive to the plugin. Delete the elf object if the + plugin claims the file. + +2013-03-21 Alan Modra <amodra@gmail.com> + + * layout.cc (Layout::set_segment_offsets): Accept writable .text + segment when omagic. + +2013-03-21 Alan Modra <amodra@gmail.com> + + * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned + comparison warning. + * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used + uninitialized" warning. + +2013-03-20 Alan Modra <amodra@gmail.com> + + * symtab.h (Symbol::clear_version): New function. + * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object + is_needed by weak references. Clear version for symbols defined + in as-needed objects that are not needed. + +2013-03-15 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make + static and public. Add report_err param. Return false for data refs. + (Target_powerpc::rela_dyn_section): New overloaded function. + (Target_powerpc::plt_, iplt_): Elucidate. + (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0. + (Output_data_plt_powerpc::do_write): Don't write .iplt. + (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries. + (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc + calls. Put ifunc dynamic relocs in irela_dyn_section. Only + push_branch and make_plt_entry for ifunc syms when + reloc_needs_plt_for_ifunc. + (Target_powerpc::Relocate::relocate): Don't use plt entry value + for ifunc unless reloc_needs_plt_for_ifunc. + +2013-03-15 Alan Modra <amodra@gmail.com> + + * gc.h (gc_process_relocs): Don't look through function descriptors. + * icf.cc (get_section_contents): Do so here instead. + +2013-03-13 Alan Modra <amodra@gmail.com> + + * powerpc.cc (is_branch_reloc): Forward declare. + (Target_powerpc::do_can_check_for_function_pointers): New predicate. + (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return + false for 64-bit, true for 32-bit non-branch relocs. + (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise. + * testsuite/Makefile.am (icf_test): Use linker map file instead of + nm output. + (icf_safe_test): Generate linker map file as well as nm output. + (icf_safe_so_test): Likewise. + * testsuite/Makefile.in: Regenerate. + * testsuite/icf_test.sh: Parse linker map file to determine + section folding. + * testsuite/icf_safe_test.sh: Likewise. Expect folding for PowerPC. + * testsuite/icf_safe_so_test.sh: Likewise. + (X86_32_or_ARM_specific_safe_fold): Merge into.. + (arch_specific_safe_fold): ..this. + (X86_64_specific_safe_fold): Delete unused function. + +2013-03-12 Alan Modra <amodra@gmail.com> + + * gc.h (gc_process_relocs): Look through function descriptors + to determine shndx, symvalue and addend used by ICF. Tidy + variable duplication. + +2013-03-11 Alan Modra <amodra@gmail.com> + + * gold.cc (queue_middle_tasks): Move detect_odr_violations.. + * layout.cc (Layout_task_runner::run): ..to here. + * symtab.h (struct Symbol_location): Extract from.. + (class Symbol_table): ..here. + * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location. + * target.h (class Target): Add function_location and + do_function_location functions. + (class Sized_target): Add do_function_location. + * object.h (class Sized_relobj_file): Move find_shdr.. + (class Object): ..to here. + * object.cc: Likewise. Update to suit. Instantiate. + (Sized_relobj_file::find_eh_frame): Update find_shdr call. + * powerpc.cc (class Powerpc_dynobj): New. + (Target_powerpc::do_function_location): New function. + (Powerpc_relobj::do_find_special_sections): Update find_shdr call. + (Powerpc_dynobj::do_read_symbols): New function. + (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj. + +2013-03-08 Ian Lance Taylor <iant@google.com> + + * options.cc (General_options::string_to_object_format): Accept + "default". + +2013-03-08 Alan Modra <amodra@gmail.com> + + * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than + pointer to Post_fde. + (struct Post_fde): Move definition to here.. + * ehframe.cc (struct Post_fde): ..from here. + (Cie::write): Don't alloc Post_fde. + (Eh_frame::do_sized_write): Update. Don't free Post_fde. + +2013-03-07 Alan Modra <amodra@gmail.com> + + * testsuite/discard_locals_relocatable_test.c: Add a powerpc + relocation referencing .LC0. + * testsuite/discard_locals_test.sh: Remove FIXMEs. + +2013-03-07 Alan Modra <amodra@gmail.com> + + * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark + always_inline. Add assembly for powerpc to avoid GOT. + +2013-03-07 Alan Modra <amodra@gmail.com> + + * testsuite/script_test_10.sh: Don't test .bss section + header number. + +2013-03-06 Alan Modra <amodra@gmail.com> + + * powerpc.cc (class Powerpc_relobj): Move some member functions. + (Target_powerpc::symval_for_branch): Add symtab param. Update + all callers. Handle folded sections. + (Target_powerpc::do_gc_add_reference): Don't cast dynamic object + to Powerpc_relobj. + (Global_symbol_visitor_opd::operator()): Likewise. + +2013-03-04 Alan Modra <amodra@gmail.com> + + * testsuite/Makefile.am (final_layout_script.lds): Add .sbss. + * testsuite/Makefile.in: Regenerate. + +2013-03-01 Cary Coutant <ccoutant@google.com> + + Add dwp support for v2 DWARF package file format. + * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add + tu_length parameter. Adjust all callers. + * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise. + * dwp.cc: Include dwarf.h. + (Section_bounds): New struct type. + (Unit_set): New struct type. + (Dwo_file::Dwo_file): Initialize new data member. + (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index): + Combine and rename to... + (Dwo_file::read_unit_index): ...this. + (Dwo_file::sized_read_compunit_index) + (Dwo_file::sized_read_typeunit_index): Combine and rename to... + (Dwo_file::sized_read_unit_index): ...this. + (Dwo_file::copy_section): Remove section_name, is_str_offsets + parameters; add section_id parameter. + (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to... + (Dwo_file::add_unit_set): ...this. + (Dwo_file::shndx_map_): Remove. + (Dwo_file::sect_offsets_): New data member. + (Dwp_output_file::Dwp_output_file): Initialize new data members. + (Dwp_output_file::add_section): Rename to... + (Dwp_output_file::add_contribution): ...this. + (Dwp_output_file::add_cu_set): Combine parameters into a struct. + (Dwp_output_file::add_tu_set): Likewise. + (Dwp_output_file::Contribution): New type. + (Dwp_output_file::Section::contributions): New data member. + (Dwp_output_file::Cu_or_tu_set): Remove. + (Dwp_output_file::Section::Section): New ctor. + (Dwp_output_file::Dwp_index::Shndx_pool): Remove. + (Dwp_output_file::Dwp_index::Section_table): New type. + (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members. + (Dwp_output_file::Dwp_index::enter_set): Change type of "set" + parameter. + (Dwp_output_file::Dwp_index::shndx_pool): Remove. + (Dwp_output_file::Dwp_index::shndx_pool_end): Remove. + (Dwp_output_file::Dwp_index::section_table): New member function. + (Dwp_output_file::Dwp_index::section_table_end): New member function. + (Dwp_output_file::Dwp_index::shndx_pool_size): Remove. + (Dwp_output_file::Dwp_index::section_table_rows): New member function. + (Dwp_output_file::Dwp_index::section_table_cols): New member function. + (Dwp_output_file::Dwp_index::shndx_pool_): Remove. + (Dwp_output_file::Dwp_index::section_table_): New data member. + (Dwp_output_file::Dwp_index::section_mask_): New data member. + (Dwp_output_file::add_output_section): New member function. + (Dwp_output_file::write_new_section): New member function. + (Dwp_output_file::write_contributions): New member function. + (Dwp_output_file::section_id_map_): New data member. + (class Dwo_id_info_reader): Remove. + (class Unit_reader): New class. + (get_dwarf_section_name): New function. + (Dwo_file::read_executable): Adjust initializations of class data. + (Dwo_file::read): Add support for v2 package file format. + (Dwo_file::read_unit_index): Likewise. + (Dwo_file::sized_read_unit_index): Likewise. + (Dwo_file::copy_section): Likewise. + (Dwo_file::add_unit_set): Likewise. + (Dwp_output_file::add_output_section): Likewise. + (Dwp_output_file::add_contribution): Likewise. + (Dwp_output_file::Dwp_index::find_or_add): Use row index to check + for empty slot. + (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package + file format. + (Dwp_output_file::Dwp_index::grow): Use row index to check for empty + slot. + (Dwp_output_file::initialize): Remove unused function. + (Dwp_output_file::finalize): Add support for v2 package file format. + (Dwp_output_file::write_index): Likewise. + * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust + function prototype. + +2013-03-01 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move + function into class definition in header file. + (Dwarf_info_reader::warn_corrupt_debug_section): New function. + * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section): + New function. + (Dwarf_info_reader::check_buffer): Move here from .cc file. + +2013-02-28 Alan Modra <amodra@gmail.com> + + * target.h (Target::plt_fde_location, do_plt_fde_location): Declare. + * target.cc (Target::do_plt_fde_location): New function. + * ehframe.h (class FDE): Add post_map field to u_.from_linker, + accessor function, and constructor param. + (struct Post_fde, Post_fdes): Declare. + (Cie::write): Add post_fdes param. + * ehframe.cc (Fde::write): Use plt_fde_location. + (struct Post_fde): Define. + (Cie::write): Stash FDEs added post merge mapping. + (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping. + Adjust Fde constructor call. Bump final_data_size_ for post map FDEs. + (Eh_frame::do_sized_write): Arrange to write post map FDES after + other FDEs. + * powerpc.cc (Target_powerpc::do_plt_fde_location): New function. + (Target_powerpc::has_glink): New function. + (Target_powerpc::do_relax): Add eh_frame info for stubs. + (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64, + glink_eh_frame_fde_32, default_fde): New data. + (Stub_table::eh_frame_added_): New var. + (Stub_table::find_long_branch_entry, stub_address, stub_offset): + Make const. + (Stub_table::add_eh_frame): New function. + (Output_data_glink::add_eh_frame): New function. + (Target_powerpc::make_glink_section): Call add_eh_frame. + +2013-02-15 Ian Lance Taylor <iant@google.com> + + * options.h (DEFINE_uint64_alias): Define. + (class General_options): Add -Ttext-segment as an alias for + -Ttext. + +2013-02-15 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Stub_table::plt_off): New function, extracted from.. + (Stub_table::do_write): ..here, two places. + (Stub_table::plt_call_size): Use it here too. + +2013-02-11 Ian Lance Taylor <iant@google.com> + + * descriptors.cc (Descriptors::close_all): New function. + * descriptors.h (class Descriptors): Declare close_all. + (close_all_descriptors): New inline function. + * plugin.cc: Include "descriptors.h". + (Plugin_manager::cleanup): Call close_all_descriptors. + +2013-02-06 Alan Modra <amodra@gmail.com> + + * README: Update coding style link. + +2013-01-28 Cary Coutant <ccoutant@google.com> + + * dwp.cc (File_list): New typedef. + (Dwo_name_info_reader): New class. + (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters. + (Dwo_id_info_reader::visit_top_die): Remove unused member function. + (Dwo_file::~Dwo_file): Delete input_file_ after obj_. + (Dwo_file::read_executable): New function. + (Dwo_file::read): Move common setup code to ... + (Dwo_file::make_object): ... here. + (dwp_options): Add --exec/-e. + (usage): Likewise. + (main): Likewise. + +2013-01-24 Sriraman Tallam <tmsriram@google.com> + + * layout.cc (Layout::layout): Check for option text_reorder. + (Layout::make_output_section): Ditto. + * options.h (text_reorder): New option. + * output.cc (Input_section_sort_compare): Remove special ordering + of section names. + (Output_section:: + Input_section_sort_section_name_special_ordering_compare:: + operator()): New function. + (Output_section::sort_attached_input_sections): Use new sort function + for .text. + * output.h (Input_section_sort_section_name_special_ordering_compare): + New struct. + * testsuite/Makefile.am (text_section_grouping): Test option + --no-text-reorder + * testsuite/Makefile.in: Regenerate. + * testsuite/text_section_grouping.sh: Check order of functions without + default text reordering. + +2013-01-18 Mike Frysinger <vapier@gentoo.org> + + * options.h (General_options): Change default to true for new_dtags. + +2013-01-18 Mike Frysinger <vapier@gentoo.org> + + * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH + when enable_new_dtags is false. Only add DT_RUNPATH when + enable_new_dtags is true. + +2013-01-17 Serge Pavlov <serge.v.pavlov@gmail.com> + + * powerpc.cc (Stub_table::find_plt_call_entry): Make types + used in declaration and definition consistent. + (Target_powerpc::symval_for_branch): Ditto. + +2013-01-16 Sriraman Tallam <tmsriram@google.com> + + * testsuite/plugin_final_layout.cc: Fix comment. + +2013-01-16 Sriraman Tallam <tmsriram@google.com> + + * layout.cc (Layout::layout): Do not do default sorting for + text sections when section ordering is specified. + (make_output_section): Ditto. + * testsuite/plugin_final_layout.cc: Name the function sections + to catch reordering issues. + +2013-01-15 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::do_relax): Default shared libs to + plt-thread-safe. + +2013-01-15 Alan Modra <amodra@gmail.com> + + * testsuite/Makefile.am (final_layout_script.lds): Handle .got section. + * testsuite/Makefile.in: Regenerate. + +2013-01-14 Alan Modra <amodra@gmail.com> + + * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files. + * testsuite/Makefile.in: Regenerate. + +2013-01-11 Pavel Chupin <pavel.v.chupin@intel.com> + + PR bfd/14430 + Fix mingw gold build with plugins enabled + * Makefile.am: Replace -ldl with @DLOPEN_LIBS@. + * configure.ac: Export DLOPEN_LIBS and add headers check. + * plugin.cc: Handle non-dlfcn case. + * Makefile.in: Regenerate. + * config.in: Regenerate. + * configure: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2013-01-09 Sriraman Tallam <tmsriram@google.com> + + * output.h (sort_attached_input_sections): Change to be public. + * script-sections.cc + (Output_section_definition::set_section_addresses): Sort + attached input sections according to section order before linker + script assigns section addresses. + (Orphan_output_section::set_section_addresses): Sort + attached input sections according to section order before linker + script assigns section addresses. + * Makefile.am (final_layout.sh): Use a simple linker script to + check if section ordering still works. + * Makefile.in: Regenerate. + +2013-01-09 Ben Cheng <bccheng@google.com> + + * arm.cc (Target_arm::attributes_accept_div): New function. + (Target_arm::attributes_forbid_div): New function. + (Target_arm::merge_object_attributes): Merge the Tag_DIV_use + attribute using the same new functions as what bfd/elf32_arm.c + does. + +2013-01-07 Cary Coutant <ccoutant@google.com> + + PR gold/14993 + * output.cc (Output_section::add_input_section): For incremental + updates, don't track input sections that are allocated from patch + space. + +2013-01-07 H.J. Lu <hongjiu.lu@intel.com> + Ian Lance Taylor <iant@google.com> + + PR gold/14897 + * configure.ac (--enable-ld): Removed. + (install_as_default): Set to yes only for --enable-gold=default + or --disable-ld. + * configure: Regenerated. + +2013-01-07 H.J. Lu <hongjiu.lu@intel.com> + + * options.h (General_options): Add -fuse-ld= for GCC linker + option compatibility. + +2013-01-04 Cary Coutant <ccoutant@google.com> + + * configure.ac: Fix typo restoring CXXFLAGS. + * configure: Regenerate. + +2013-01-04 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (CXXLINK_S): New macro. + (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S. + * testsuite/Makefile.in: Regenerate. + +2013-01-02 H.J. Lu <hongjiu.lu@intel.com> + + * version.cc (print_version): Update copyright year to 2013. + +2012-12-20 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::special_ordering_of_input_section): New + function. + (Layout::layout): If input section requires special ordering, must + sort input sections. + (Layout::make_output_section): May sort .text input sections. + (Layout::is_section_name_prefix_grouped): Remove. + * layout.h (class Layout): Declare + special_ordering_of_input_section. Don't declare + is_section_name_prefix_grouped. + * output.cc (Output_section::add_input_section): Revert last + change. + (Output_section::Input_section_sort::match_file_name): Don't crash + if called on output section data. + (Output_section::Input_section_sort_compare): Sort based on + special ordering. + (Output_section::Input_section_sort_section_order_index_compare): + Revert last patch. + (Output_section::sort_attached_input_sections): Likewise. + +2012-12-18 Sriraman Tallam <tmsriram@google.com> + + * layout.cc (Layout::is_section_name_prefix_grouped): New function. + * layout.h (Layout::is_section_name_prefix_grouped): New function. + * output.cc (Output_section::add_input_section): Check if section + name contains special prefix. Keep input sections to sort such + sections. + (Output_section::Input_section_sort_section_order_index_compare + ::operator()): Group sections according to prefixes. + (Output_section::sort_attached_input_sections): Add condition to + Input_section_entry constructor call. + * testsuite/Makefile.am (text_section_grouping): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/text_section_grouping.cc: New file. + * testsuite/text_section_grouping.sh: New file. + +2012-12-17 Nick Clifton <nickc@redhat.com> + + * Makefile.am: Add copyright notice. + * NEWS: Likewise. + * README: Likewise. + * configure.ac: Likewise. + * ftruncate.c: Likewise. + * Makefile.in: Regenerate. + +2012-12-14 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (exception_separate_shared_12_test): Add + --no-as-needed flag. + (exception_separate_shared_12_test): Likewise. + (incremental_copy_test): Likewise. + * testsuite/Makefile.in: Regenerate. + +2012-12-14 Cary Coutant <ccoutant@google.com> + + * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs. + (Dwp_output_file::Dwp_index::enter_set): Add assert. + +2012-12-12 Alan Modra <amodra@gmail.com> + + * powerpc.cc (class Track_tls): New. + (class Relocate, class Scan): Inherit Track_tls. + (Target_powerpc::Scan::local, global): Track tls optimization + and avoid creating plt entry for __tls_get_addr if all uses + are optimized away. + (Target_powerpc::Relocate::relocate): Update to use Track_tls. + +2012-12-12 Alan Modra <amodra@gmail.com> + + * options.h (General_options): Add --toc-sort/--no-toc-sort. + Replace no_toc_optimize with toc_optimize. + * output.h (Output_section::input_sections): Provide non-const variant. + * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_, + set_has_small_toc_reloc, has_small_toc_reloc): New variable and + accessors. + (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc. + (class Sort_toc_sections): New. + (Target_powerpc::do_finalize_sections): Sort toc sections. + (Target_powerpc::Relocate::relocate): Update toc_optimize test. + +2012-12-10 Roland McGrath <mcgrathr@google.com> + + * testsuite/binary_unittest.cc (read_all): New function. + (Sized_binary_test): Use it instead of ::read. + * fileread.cc (do_read): Don't assume pread always reads the whole + amount in a single call. + +2012-12-10 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc): + Set EM_PPC64 or EM_PPC here. + (Target_selector_powerpc::do_recognize): Delete. + +2012-12-10 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and + stub_table_. + (Target_powerpc::Branch_info::make_stub): Don't omit addend. + +2012-12-07 Roland McGrath <mcgrathr@google.com> + + * testsuite/binary_unittest.cc (Sized_binary_test): + Use open_descriptor rather than ::open. + +2012-12-07 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Stub_table::do_write): Delete redundant Address + typedef and invalid_address constant. + (Output_data_glink, Stub_table, Target_powerpc): Explicitly + instantiate constants. + +2012-12-06 Roland McGrath <mcgrathr@google.com> + + * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS. + Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL. + * aclocal.m4: Regenerate. + * configure: Regenerate. + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2012-12-07 Alan Modra <amodra@gmail.com> + + * options.h (General_options): Add no_toc_optimize. + * powerpc.cc (ok_lo_toc_insn): New function. + (Target_powerpc::Relocate::relocate): Optimize toc access sequences. + +2012-12-06 Alan Modra <amodra@gmail.com> + + * options.h (General_options): Add plt_align, plt_static_chain, + plt_thread_safe. Update stub_group_size help text. + * powerpc.cc (Target_powerpc::plt_thread_safe): New access function + for new plt_thread_safe_ var. + (use_plt_offset): Correct comments. + (Target_powerpc::do_relax): Look for thread creation symbols to + determine default plt_thread_safe value. Clear plt call stubs + as well as branch stubs each iteration. + (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New + insn constants. + (l, hi, ha, write_insn): Move earlier. + (Stub_table): Delete prev_size, add last_plt_size and last_branch_size. + (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear + plt stubs too. + (Stub_table::update_size): Adjust. + (Stub_table::prev_size, set_prev_size): Delete. + (Stub_table::stub_align): Let --plt-align affect result. + (Stub_table::plt_call_size): Calculate sizes for various stubs. + (Stub_table::branch_stub_size): Use last_plt_size in address calc. + (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size. + (Stub_table::do_write): Support more stub variants. + +2012-12-04 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete. + (Target_powerpc::do_define_standard_symbols): New function. + +2012-12-03 Alan Modra <amodra@gmail.com> + + * output.h: Formatting, whitespace. + +2012-12-03 Alan Modra <amodra@gmail.com> + + * layout.h (Layout::get_executable_sections): Declare. + * layout.cc (Layout::get_executable_sections): New function. + * arm.cc (Target_arm::group_sections): Use it. + (Arm_output_section::group_sections): Delete now redundant test. + * output.cc (Output_reloc::Output_reloc): Add is_relative. + param to handle relative relocs. + * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise. + (Output_data_reloc::add_absolute): Adjust. + (Output_data_reloc::add_relative): New function. + (Output_data::reset_data_size): New function. + (Output_relaxed_input_section::set_relobj, set_shndx): New functions. + (Output_section::set_addralign): New function. + (Output_section::checkpoint_set_addralign): New function. + (Output_section::clear_section_offsets_need_adjustment): New function. + (Output_section::input_sections): Make public. + * powerpc.cc (class Output_data_brlt_powerpc): New. + (class Stub_table, class Stub_control): New. + (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch, + stub_table_, set_stub_table, stub_table): New vectors and accessor + functions. + (Target_powerpc::do_may_relax, do_relax, push_branch, + new_stub_table, stub_tables, brlt_section, group_sections, + add_branch_lookup_table, find_branch_lookup_table, + write_branch_lookup_table, make_brlt_section): New functions. + (Target_powerpc::struct Sort_sections, class Branch_info): New. + (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_, + branch_info_): New vars. + (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't + make call stubs here. + (Output_data_glink): Remove all call stub handling from this class. + (Target_powerpc::Scan::local, global): Save interesting branch + relocs and relocs for ifunc. Adjust calls to plt entry functions. + (Target_powerpc::do_finalize_sections): Only make reg save/restore + functions on final link. + (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs. + Handle long branch destinations too. + (Target_powerpc::do_dynsym_value, do_plt_address_for_global, + do_plt_address_for_local): Adjust lookup of plt call stubs. + +2012-11-30 Alan Modra <amodra@gmail.com> + + * powerpc.c (Target_powerpc::Scan::global): Don't emit relative + relocs against protected symbols when building 32-bit shared libs. + +2012-11-30 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::make_plt_section): Add symtab + param. Call got_section() to make .got. Update all callers + and their callers and so on. + +2012-11-30 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL + _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK. + (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_ + value if it already exists. + +2012-11-19 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/14858 + * x86_64.cc (Relocate::tls_ld_to_le): Support x32. + +2012-11-14 Roland McGrath <mcgrathr@google.com> + + * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather + than bfc instruction for data sandboxing. + +2012-11-08 Alan Modra <amodra@gmail.com> + + * po/POTFILES.in: Regenerate. + +2012-11-05 Alan Modra <amodra@gmail.com> + + * configure.ac: Apply 2012-09-10 change to config.in here. + * configure: Regenerate. + +2012-11-05 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef. + (struct Opd_ent): Use "Address" rather than "Offset". + (Output_data_got_powerpc::got_base_offset): Return Valtype. + (Target_powerpc::got_section): Make public. + (Target_powerpc::scan_relocs): Move code setting symbols.. + (Powerpc_relobj::do_scan_relocs): ..to here, new function. + Create _SDA_BASE_ only when referenced. + +2012-11-02 Roland McGrath <mcgrathr@google.com> + + * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename + from last change. + +2012-11-01 Roland McGrath <mcgrathr@google.com> + + * target.h (Sized_target::relocate_relocs): Use Elf_Off + for offset_in_output_section parameter. + (Sized_target::relocate_special_relocatable): Likewise. + * arm.cc (Target_arm::relocate_relocs): Likewise. + (Target_arm::relocate_special_relocatable): Likewise. + * i386.cc (Target_i386::relocate_relocs): Likewise. + * powerpc.cc (Target_powerpc::relocate_relocs): Likewise. + * sparc.cc (Target_sparc::relocate_relocs): Likewise. + * target-reloc.h (relocate_relocs): Likewise. + * testsuite/testfile.cc (Target_test): Likewise. + * tilegx.cc (Target_tilegx::relocate_relocs): Likewise. + * x86_64.cc (Target_x86_64::relocate_relocs): Likewise. + + * system.h: Move inclusion of <clocale> to after <libintl.h> in + [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section. + + * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the + parameter, which is unused in the [!F_SETFD] case. + + * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast + SYMNDX to off_t before comparing it to this->data_size(). + * output.cc (Output_symtab_xindex::endian_do_write): Likewise. + * incremental.cc (Output_section_incremental_inputs::do_write): + Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE. + + * nacl.cc: Include "libiberty.h" for vasprintf declaration. + +2012-10-30 Steve McIntyre <steve.mcintyre@linaro.org> + + * gold.cc (Target_arm::do_adjust_elf_header): Add the + hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC + in EABI_VER5. + +2012-10-29 Cary Coutant <ccoutant@google.com> + + * dwp.cc (usage): Add file and exit status parameters; + add --help and --version options. + (print_version): New function. + (main): Add --help and --version options. + +2012-10-25 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (MOSTLYCLEANFILES): Add + final_layout_sequence.txt. + * testsuite/Makefile.in: Regenerated. + +2012-10-25 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (COMPILE1): New variable. Renamed from + COMPILE generated by automake. + (LINK1): Likewise. + (CXXCOMPILE1): Likewise. + (CXXLINK1): Likewise. + (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1. + (LINK): Likewise. + (CXXCOMPILE): Likewise. + (CXXLINK): Likewise. + * testsuite/Makefile.in: Regenerated. + +2012-10-25 H.J. Lu <hongjiu.lu@intel.com> + + * dwp.cc (Dwo_file::record_target_info): Issue a fatal error + on bad fwrite return. + +2012-10-25 H.J. Lu <hongjiu.lu@intel.com> + + * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type + on val. + +2012-10-23 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (TEST_OBJCOPY): New macro. + * testsuite/Makefile.in: Regenerate. + * testsuite/dwp_test.h: New source file. + * testsuite/dwp_test_1.cc: New source file. + * testsuite/dwp_test_1.s: New source file. + * testsuite/dwp_test_1.sh: New source file. + * testsuite/dwp_test_1b.cc: New source file. + * testsuite/dwp_test_1b.s: New source file. + * testsuite/dwp_test_2.cc: New source file. + * testsuite/dwp_test_2.s: New source file. + * testsuite/dwp_test_2.sh: New source file. + * testsuite/dwp_test_main.cc: New source file. + * testsuite/dwp_test_main.s: New source file. + +2012-10-23 Cary Coutant <ccoutant@google.com> + + * dwp.h: New header file. + * dwp.cc: New source file. + * gold.h: Move shared declarations to system.h. + * system.h: New header file. + * Makefile.am: Add dwp. + * Makefile.in: Regenerate. + +2012-10-23 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call + Dwarf_info_reader::read_from_pointer. + (Dwarf_pubnames_table::read_header): Likewise. + (Dwarf_pubnames_table::next_name): Likewise. + (Dwarf_die::read_attributes): Likewise. + (Dwarf_die::skip_attributes): Likewise. + (Dwarf_info_reader::read_from_pointer): New function template. + * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_. + (Dwarf_pubnames_table): Likewise. + (Dwarf_info_reader::read_from_pointer): New function template. + * gdb-index.cc (Gdb_index_info_reader): Adjust call to + Dwarf_pubnames_table ctor. + +2012-10-23 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored + abbrev_shndx. + * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize + abbrev_shndx_. + (Dwarf_info_reader::set_abbrev_shndx): New method. + (Dwarf_info_reader::abbrev_shndx_): New data member. + +2012-10-23 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness + from object, not parameters. + (Dwarf_info_reader::parse): Likewise. + * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods. + (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods. + (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New + methods. + +2012-10-23 Cary Coutant <ccoutant@google.com> + + * fileread.cc (Input_file::Input_file): New constructor. + * fileread.h (class Input_file): Add new constructor. + +2012-10-18 Alan Modra <amodra@gmail.com> + + PR gold/14727 + * object.cc (Relobj::is_section_name_included): Also match + .sdata personality section. + +2012-10-18 Alan Modra <amodra@gmail.com> + + * target-reloc.h (class Default_comdat_behavior): New, package up.. + (get_comdat_behaviour): ..this. + (relocate_section): Add Relocate_comdat_behavior template arg, + adjust code to suit. + * arm.cc (Target_arm::relocate_section): Adjust to suit. + (Target_arm::scan_reloc_section): Likewise. + * i386.cc (Target_i386::relocate_section): Likewise. + * sparc.cc (Target_sparc::relocate_section): Likewise. + * tilegx.cc (Target_tilegx::relocate_section): Likewise. + * x86_64.cc (Target_x86_64::relocate_section): Likewise. + * powerpc.cc (class Relocate_comdat_behavior): New. + (Target_powerpc::relocate_section): Don't zap opd relocs. Supply + gold::relocate_section with new template arg. + +2012-10-18 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::Scan::local, global): Always emit + dynamic relocs for GOT_TPREL got entries, without symbol if + resolving locally. + (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects. + (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early. + (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned. + +2012-10-17 Alan Modra <amodra@gmail.com> + + PR gold/14726 + * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini. + +2012-10-16 Sriraman Tallam <tmsriram@google.com> + + * layout.cc (Layout::include_section): Keep sections marked + SHF_EXCLUDE when doing relocatable links. + +2012-10-16 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func. + (Target_powerpc::do_finalize_sections): Call it. + (Output_data_save_res): New class and supporting functions. + (Target_powerpc::symval_for_branch): Only look up .opd entry for + normal symbols defined in object files. + +2012-10-12 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New. + (struct Opd_ent): Make "discard" a bit field. Add "gc_mark". + (Target_powerpc::do_gc_mark_symbol): Delay marking function code + section if scan_opd_relocs not yet called. + (Target_powerpc::gc_process_relocs): Call process_gc_mark. + +2012-10-12 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry, + add_local_ifunc_entry): Revert last change. + (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise. + +2012-10-05 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::do_plt_address_for_local, + do_plt_address_for_global): New functions. + (Output_data_got_powerpc::do_write): Don't segfault when linking + statically. + (Output_data_plt_powerpc::add_entry, add_ifunc_entry, + add_local_ifunc_entry): Return true on adding entry.. + (Target_powerpc::make_plt_entry): ..use to avoid unnecessary + glink->add_entry call. Remove unused symtab param. Adjust calls. + (Target_powerpc::make_local_ifunc_plt_entry): Likewise. + (Target_powerpc::make_iplt_section): Remove symtab param. Don't + set up symbols here. + (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt + syms here. Do so even when no .iplt. Don't segfault when linking + statically. + (Output_data_glink::add_entry, find_entry): Rearrange params. Add + new variants without reloc param. + (Glink_sym_ent::Glink_sym_ent): Likewise. + (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any + reloc when refs will resolve to plt call stub. + (Target_powerpc::Scan::local): Correct ifunc handling. Allow + R_PPC_PLTREL24 to resolve locally. + (Target_powerpc::Scan::global): Correct ifunc handling. + (Target_powerpc::Relocate::relocate): Correct local sym glink + lookup. Don't destroy "value" when we have a plt call stub, + and when checking plt call validity. + (Target_powerpc::do_dynsym_value): Simplify. + +2012-10-05 Alan Modra <amodra@gmail.com> + + * i386.cc (Output_data_plt_i386::address_for_global, + address_for_local): Add plt offset to returned value. Adjust uses. + * sparc.cc (Output_data_plt_sparc::address_for_global, + address_for_local): Likewise. + * tilegx.cc (Output_data_plt_tilegx::address_for_global, + address_for_local): Likewise. + * x86_64.cc (Output_data_plt_x86_64::address_for_global, + address_for_local): Likewise. + * target.h (Target::plt_address_for_global, plt_address_for_local): + Update comment. + * output.cc (Output_reloc::symbol_value): Don't add plt offset here. + (Output_data_got::Got_entry::write): Nor here. + * output.h: Comment fix. + +2012-10-02 Jiong Wang <jiwang@tilera.com> + + * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust + global_offset_table_ value for larget got. + (Target_tilegx::Relocate::relocate): Handle adjusted got value. + +2012-09-29 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Target_powerpc::iplt_): New output section. + (Target_powerpc::iplt_section, make_iplt_section, + reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions. + (Target_powerpc::make_plt_entry): Handle ifunc syms. + Target_powerpc::plt_entry_count): Count iplt entries too. + (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create + reloc section in constructor. New params. + (Target_powerpc::make_plt_section): Create reloc section here instead. + (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New + functions. + (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars. + (Output_data_glink::add_entry, find_entry): New functions to + deal with local syms. + (Glink_sym_ent): Add support for local syms. + (Output_data_glink::do_write): Handle ifunc plt entries. + (Target_powerpc::Scan::get_reference_flags): Handle more relocs. + (Target_powerpc::Scan::local, global): Handle ifunc syms. + (Target_powerpc::Relocate::relocate): Likewise. + (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry. + +2012-09-25 Alan Modra <amodra@gmail.com> + + * object.h (Sized_relobj_file::adjust_local_symbol, + do_adjust_local_symbol): New functions. + * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above. + * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function. + (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs + and irregular opd entry spacing. + (Powerpc_relobj::do_read_relocs): Add opd size checks. + (Global_symbol_visitor_opd): New functor. + (Target_powerpc::do_finalize_sections): Omit global symbols defined + on deleted opd entries. + +2012-09-15 Jiong Wang <jiwang@tilera.com> + + * tilegx.cc: New file. + * Makefile.am (TARGETSOURCES): Add tilegx.cc + (ALL_TARGETOBJS): Add tilegx.$(OBJEXT) + * configure.tgt: Add entries for tilegx*. + * configure.ac: Likewise. + * Makefile.in: Rebuild. + * configure: Likewise. + * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle + tilegx. + +2012-09-13 Alan Modra <amodra@gmail.com> + + * target-reloc.h (scan_relocs): Call scan.local for relocs + against symbols in discarded sections. Pass is_discarded + param. + * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local): + Add is_discarded param. + * powerpc (Target_powerpc::Scan::local): Likewise. Use + is_discarded to flag opd entry as discarded. Don't emit dyn + relocs on such entries. + (Target_powerpc::Scan::global): Similarly detect and handle + such opd entries. + (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with + opd_ent_. Update all uses. + (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions. + (Target_powerpc::relocate_section): Zero out discarded opd + entry relocs. + +2012-09-12 Ian Lance Taylor <iant@google.com> + + PR gold/14570 + * output.cc: Rename Output_data_got template parameter from size + to got_size for all functions. Compile all variants of + Output_data_got. + (Output_data_got::Got_entry::write): Correct use of size for + symbol value. Use local_is_tls rather than casting to + Sized_relobj_file. + * object.h (class Object): Add local_is_tls and do_local_is_tls. + (class Sized_relobj_file): Add do_local_is_tls. + * incremental.h (class Sized_relobj_incr): Add do_local_is_tls. + +2012-09-11 Alan Modra <amodra@gmail.com> + + PR gold/14566 + * layout.cc (Layout::set_segment_offsets): When using + common-page-size alignment, ensure we are on a new max-page-size + page. + * output.cc (Output_segment::set_section_addresses): Use + abi_pagesize, not common_pagesize for relro boundary. + (Output_segment::set_offset): Likewise. + +2012-09-11 Alan Modra <amodra@gmail.com> + + * output.h (Output_data_got::add_global_tls, add_local_tls, + add_local_tls_pair): New functions. + (Output_data_got::add_local_pair_with_rel): Remove second + reloc param. Expand comment. + (Output_data_got::Got_entry): Rename use_plt_offset_ to + use_plt_or_tls_offset_, similarly for constructor param. + (Output_data_got::Got_entry::write): Add got_index param. + * output.cc (Output_data_got::add_global_tls, add_local_tls, + add_local_tls_pair): New functions. + (Output_data_got::Got_entry::write): Handle tls symbols + with use_plt_or_tls_offset_ set specially. + (Output_data_got::add_local_pair_with_rel): Only one reloc. + (Output_data_got::do_write): Replace iterator with index, pass + index to entry write function. + * target.h (Target::tls_offset_for_local, tls_offset_for_global, + do_tls_offset_for_local, do_tls_offset_for_global): New functions. + * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel + call. + * i386.cc (Target_i386::Scan::local): Likewise. + * sparc.cc (Target_sparc::Scan::local): Likewise. + * x86_64.cc (Target_x86_64::Scan::local): Likewise. + * powerpc.cc (Target_powerpc::do_tls_offset_for_local, + do_tls_offset_for_global): New functions. + (Target_powerpc::Scan::local): Correct TLS relocations and got + entry values. + (Target_powerpc::Scan::global): Don't emit unnecessary + dynamic relocations on TLS GOT entries. + +2012-09-10 Matthias Klose <doko@ubuntu.com> + + * config.in: Disable sanity check for kfreebsd. + +2012-09-10 Sterling Augustine <saugustine@google.com> + + * gdb-index.cc (Gdb_index::pubnames_read): New parameter. + (Gdb_index::pubtypes_read): New parameter. + (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters + to calls. + * gdb-index.h (Gdb_index): New fields pubnames_object_ and + pubtypes_object_. + +2012-09-09 Alan Modra <amodra@gmail.com> + + * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions. + (Sized_target::gc_add_reference, do_gc_add_reference): New functions. + * gc.h (gc_process_relocs): Call target gc_add_reference. + * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym. + * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol. + (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove + unnecessary cast. + * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters + to cater for when we don't need code offset. Update use. + (Powerpc_relobj::access_from_map_, opd_valid_): New vars. + (Powerpc_relobj::access_from_map, add_reference, opd_valid, + set_opd_valid): New functions. + (Target_powerpc::do_gc_add_reference): New function. + (Target_powerpc::gc_process_relocs): Call gc()->add_reference on + stashed refs. + (Target_powerpc::do_gc_mark_symbol): New function. + +2012-09-06 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_die::read_attributes): Add + DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index. + (Dwarf_die::skip_attributes): Likewise. + * object.cc (Read_symbols_data::~Read_symbols_data): Update comment. + * testsuite/gdb_index_test.cc (inline_func_1): New function. + (main): Call it. + * testsuite/gdb_index_test_comm.sh: Check index for inline function. + +2012-09-05 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/script_test_3.t: Add .got.plt output section + statement. + * testsuite/script_test_4.t: Likewise. + +2012-09-05 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relocate_functions): Upcase enum values, + update all uses and lose "enum" when using type. + +2012-09-05 Alan Modra <amodra@gmail.com> + + * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc. + * configure: Regenerate. + * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm. + (plugin_final_layout.stdout): Likewise. + (memory_test): Set page sizes to 0x1000. + * testsuite/Makefile.in: Regenerate. + * testsuite/discard_locals_test.sh: Add FIXME comment. + * testsuite/justsyms_exec.c: Disable function test for powerpc64. + * testsuite/pr14265.t: Add .got output section statement. + * testsuite/script_test_2.t: Likewise. + * testsuite/script_test_3.t: Likewise. + * testsuite/script_test_4.t: Likewise. + * testsuite/script_test_5.t: Likewise. + * testsuite/script_test_6.t: Likewise. + * testsuite/script_test_7.t: Likewise. + * testsuite/script_test_9.t: Likewise. + +2012-09-05 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const. + (Powerpc_relocate_functions::Status): New typedef. + (Target_powerpc::Scan::get_reference_flags): Handle more relocs. + (Target_powerpc::Scan::local): Handle REL64. + (Target_powerpc::Scan::global): Likewise, and dynamic relocs + for REL32 and REL64. + (Target_powerpc::symval_for_branch): New function, extracted from.. + (Target_powerpc::Relocate::relocate): ..here. Correct plt call + checks. Report overflow errors. + +2012-09-05 Alan Modra <amodra@gmail.com> + + * object.h (Sized_relobj_file::emit_relocs): Delete. + (Sized_relobj_file::emit_relocs_reltype): Delete. + * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target + relocate_relocs for --emit-relocs. + (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete. + * output.h: Update comment. + (Output_segment::first_section): New function. + (Output_segment::first_section_load_address): Use first_section. + * output.cc (Output_segment::first_section): New function extracted.. + (Output_segment::first_section_load_address): ..from here. Delete. + * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs. + * target.h (Sized_target::relocate_for_relocatable): Likewise. + * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and + adjust call to target.h function. + * i386.cc (Target_i386): Likewise. + * sparc.cc (Target_sparc): Likewise. + * x86_64.cc (Target_x86_64): Likewise. + * powerpc.cc (Target_powerpc): Likewise. + (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS. Ensure + first tls section has section symbol for optimised local dynamic + output relocs. + (Target_powerpc::Relocate::relocate): Correct local dynamic value. + (Target_powerpc::relocate_relocs): Adjust relocs emitted for + optimised tls code. + * testsuite/testfile.cc (Target_test::relocate_for_relocatable): + Rename to relocate_relocs. Update error message. + +2012-09-04 Andreas Schwab <schwab@linux-m68k.org> + + * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with + --just-symbols. + +2012-08-31 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj): Add and use Address typedef. + (Powerpc_relobj::toc_base_offset): New stub function. + (Target_powerpc): Add tp_offset, dtp_offset. Rename + got_mod_index_offset to tlsld_got_offset. Update all refs. + (Target_powerpc::Relocate::enum skip_tls): New. + (Target_powerpc::call_tls_get_addr_): New var. + (Target_powerpc::is_branch_reloc): Move to file scope. + (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete. + (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie): + New functions. + (Target_powerpc::enum Got_type): Delete old values, add new ones. + (powerpc_info): Correct common_pagesize for ppc64. + (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions. + (Powerpc_relocate_functions): Add overflow check enums and functions. + Add non-shift version of rela, rela_ua. Delete all rel public + functions. Delete addr16_lo. Add addr64, addr64_u, addr32, + addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3, + addr16_ha3, addr14 functions. + (Output_data_got_powerpc::add_constant_pair): New function. + (Output_data_got_powerpc::got_base_offset): Likewise. + (Output_data_got_powerpc::do_write): Correct 64-bit got header. + (instruction constants): Sort, add some more. + (Output_data_glink::do_write): Add and use Address typedef. Use + object->toc_base_offset() stub for 64-bit. + (Target_powerpc::tlsld_got_offset): Use add_constant_pair. + (Target_powerpc::Scan::get_reference_flags): Handle more relocs. + (Target_powerpc::Scan::local, global): Emit relative dynamic reloc + for R_PPC64_TOC. Handle more relocs. Generate got entries for TLS. + Always treat .opd relocs as against locally defined symbol. + Correct condition for RELATIVE relocs. + (Target_powerpc::do_finalize_sections): Test for NULL sections. + (Target_powerpc::Relocate::relocate): Use plt call stub as value + for 32-bit syms with a plt entry. Correct ppc64 toc base + calculations. Handle TLS relocs, and more. Add overflow + checking and adjust for Powerpc_relocate_functions changes. + (Target_powerpc::relocate_for_relocatable): Handle zero r_sym. + Reinstate --emit-relocs code with FIXME. + +2012-08-30 Alan Modra <amodra@gmail.com> + + * layout.cc (Layout::set_segment_offsets): Set p_align to + abi_pagesize, not common_pagesize. + (Layout::relaxation_loop_body): Similarly use abi_pagesize + to determine whether file header can go in segment. + +2012-08-30 Alan Modra <amodra@gmail.com> + + * output.h (Output_reloc::Output_reloc <output section>): Add + is_relative param. Adjust calls. + (Output_reloc::add_output_section_relative): New functions. + * output.cc (Output_reloc::Output_reloc <output section>): Handle + is_relative. + (Output_reloc::symbol_value): Handle SECTION_CODE. + +2012-08-24 Sriraman Tallam <tmsriram@google.com> + + * gold.cc (queue_middle_tasks): Call layout again when unique + segments for sections is desired. + * layout.cc (Layout::Layout): Initialize new members. + (Layout::get_output_section_flags): New function. + (Layout::choose_output_section): Call get_output_section_flags. + (Layout::layout): Make output section for mapping to a unique segment. + (Layout::insert_section_segment_map): New function. + (Layout::attach_allocated_section_to_segment): Make unique segment for + output sections marked so. + (Layout::segment_precedes): Check for unique segments when sorting. + * layout.h (Layout::Unique_segment_info): New struct. + (Layout::Section_segment_map): New typedef. + (Layout::insert_section_segment_map): New function. + (Layout::get_output_section_flags): New function. + (Layout::is_unique_segment_for_sections_specified): New function. + (Layout::set_unique_segment_for_sections_specified): New function. + (Layout::unique_segment_for_sections_specified_): New member. + (Layout::section_segment_map_): New member. + * object.cc (Sized_relobj_file<size, big_endian>::do_layout): + Rename is_gc_pass_one to is_pass_one. + Rename is_gc_pass_two to is_pass_two. + Rename is_gc_or_icf to is_two_pass. + Check for which pass based on whether symbols data is present. + Make it two pass when unique segments for sections is desired. + * output.cc (Output_section::Output_section): Initialize new + members. + * output.h (Output_section::is_unique_segment): New function. + (Output_section::set_is_unique_segment): New function. + (Output_section::is_unique_segment_): New member. + (Output_section::extra_segment_flags): New function. + (Output_section::set_extra_segment_flags): New function. + (Output_section::extra_segment_flags_): New member. + (Output_section::segment_alignment): New function. + (Output_section::set_segment_alignment): New function. + (Output_section::segment_alignment_): New member. + (Output_segment::Output_segment): Initialize is_unique_segment_. + (Output_segment::is_unique_segment): New function. + (Output_segment::set_is_unique_segment): New function. + (Output_segment::is_unique_segment_): New member. + * plugin.cc (allow_unique_segment_for_sections): New function. + (unique_segment_for_sections): New function. + (Plugin::load): Add new functions to transfer vector. + * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output. + * Makefile.in: Regenerate. + * testsuite/plugin_final_layout.sh: Check if unique segment + functionality works. + * testsuite/plugin_section_order.c (onload): Check if new interfaces + are available. + (allow_unique_segment_for_sections): New global. + (unique_segment_for_sections): New global. + (claim_file_hook): Call allow_unique_segment_for_sections. + (all_symbols_read_hook): Call unique_segment_for_sections. + +2012-08-22 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::include_section): Don't assert on GROUP + sections with --emit-relocs. + +2012-08-21 Cary Coutant <ccoutant@google.com> + + * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert + if --export-dynamic-symbol names an undef symbol. + +2012-08-18 Alan Modra <amodra@gmail.com> + + * powerpc.cc: Formatting and white space. + (Powerpc_relobj): Rename got2_section_ to special_. + Add opd_ent_shndx_ and opd_ent_off_ vectors. + (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent, + scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions. + (Target_powerpc): Add Address typedef and invalid_address. Use + throughout. + (Target_powerpc::is_branch_reloc): New function. + (Powerpc_relocate_functions): Add Address typedef, use throughout. + (Powerpc_relocate_functions:rela, rela_ua): Correct type used + for dst_mask, value and addend. + (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit. + (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants. + (Output_data_glink::do_write): Correct toc base. Don't try to use + uint16_t for 24-bit offset. Use get_output_section_offset and + check return. + (Target_powerpc::Scan::local): Handle more relocs. + (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK. + (Target_powerpc::Relocate::relocate): Correct toc base calculation. + Plug in toc restoring insn after plt calls. Translate branches + to function descriptor symbols to corresponding entry point. + (Target_powerpc::relocate_for_relocatable): Check return from + get_output_section_offset. + * symtab.h: Comment typo. + +2012-08-14 Ian Lance Taylor <iant@google.com> + + * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to + unsupported_relocal_local to call unsupported_reloc_global. + +2012-08-14 Nick Clifton <nickc@redhat.com> + + PR ld/14265 + * script-sections.cc (Sections_element::output_section_name): Add + keep return parameter. + (Output_section_element::match_name): Add keep return parameter. + Return the value of the keep_ member. + * script-sections.h (class Output_section): Update + output_section_name prototype. + * layout.cc (Layout::keep_input_section): New public member + function. + (Layout::choose_output_section): Pass keep parameter to + output_section_name. + * layout.h (class Layout): Add keep_input_section. + * object.cc (Sized_relobj_file::do_layout): Check for kept input + sections. + * testsuite/Makefile.am: Add a test. + * testsuite/Makefile.in: Regenerate. + * testsuite/pr14265.c: Source file for the test. + * testsuite/pr14265.t: Linker script for the test. + * testsuite/pr14265.sh: Shell script for the test. + +2012-08-14 Alan Modra <amodra@gmail.com> + + * target.h (Target::output_section_name): New function. + (Target::do_output_section_name): New function. + * layout.cc (Layout::choose_output_section): Call the above. + * powerpc.cc (Target_powerpc::do_output_section_name): New function. + +2012-08-14 Alan Modra <amodra@gmail.com> + + * powerpc.cc: Update for renamed R_PPC_REL16 relocs. + (Output_data_got_powerpc::do_write): Don't rely on base class lookup + for replace_constant call. + (Output_data_plt_powerpc::do_print_to_mapfile): New function. + (Output_data_glink::do_print_to_mapfile): New function. + (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE. + (Target_powerpc::Relocate::relocate): Likewise. + +2012-08-14 Alan Modra <amodra@gmail.com> + + * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete. + (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx. + (Output_data_glink::add_entry,find_entry): Remove shndx param. + (class Glink_sym_ent): Rename from struct Glink_sym_ent. Remove + all references to shndx_. Handle special case for R_PPC_PLTREL24 + here. + (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash. + (Output_data_glink::do_write): Retrieve got2_shdnx from object. + (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24 + here. + (Target_powerpc::Scan::global): Nor on make_plt_entry call. + (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call. + +2012-08-12 Alan Modra <amodra@gmail.com> + + * powerpc.cc: Whitespace fixes. Wrap overly long lines. + (glink insn constants): Use uint32_t. + (Output_data_glink::add_entry): Use insert, not [] operator. + +2012-08-11 Alan Modra <amodra@gmail.com> + + * object.h (Sized_relobj_file::find_shdr): New function. + (Sized_relobj_file::find_special_sections): New function. + * object.cc (Sized_relobj_file::find_shdr): New function. + (Sized_relobj_file::find_eh_frame): Use find_shdr. + (Sized_relobj_file::find_special_sections): New function, split out.. + (Sized_relobj_file::do_read_symbols): ..from here. + * output.h (Output_data_got::replace_constant): New function. + (Output_data_got::num_entries): New function. + (Output_data_got::last_got_offset,set_got_size): Use num_entries. + (Output_data_got::got_offset): Protected rather than private. + (Output_data_got::replace_got_entry): New function. + * output.cc (Output_data_got::replace_got_entry): New function. + * powerpc.cc (class Powerpc_relobj): New. + (class Powerpc_relocate_functions): Delete all psymval variants or + convert to value,addend type. Delete pcrela, pcrela_unaligned. + Implement _ha functions using corresponding _hi function. + (Powerpc_relobj::find_special_sections): New function. + (Target_powerpc::do_make_elf_object): New function. + (class Output_data_got_powerpc): New. + (class Output_data_glink): New. + (class Powerpc_scan_relocatable_reloc): New. + Many more changes througout file. + +2012-08-09 Nick Clifton <nickc@redhat.com> + + * po/vi.po: Updated Vietnamese translation. + +2012-08-07 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::add_target_dynamic_tags): If + dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for + plt_rel. + +2012-07-30 Nick Clifton <nickc@redhat.com> + + * po/gold.pot: Updated template. + * po/es.po: Updated Spanish translation. + +2012-07-18 Cary Coutant <ccoutant@google.com> + + PR gold/14344 + * configure.ac: Add check for -gpubnames support. + * configure: Regenerate. + * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames + support; force -gno-pubnames. + (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames + support. + (gdb_index_test_4): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/gdb_index_test_1.sh: Refactor code into common file. + * testsuite/gdb_index_test_2.sh: Likewise. + * testsuite/gdb_index_test_3.sh: Don't look for space after colon. + * testsuite/gdb_index_test_4.sh: New script. + * testsuite/gdb_index_test_comm.sh: New script with common code; + don't look for space after colon. + +2012-07-16 Sriraman Tallam <tmsriram@google.com> + + * gold.cc (queue_middle_tasks): Update function order only after + deferred objects due to plugins are processed. + +2012-07-11 Ian Lance Taylor <iant@google.com> + + * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef. + (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise. + (Target_arm::scan_reloc_for_stub): Likewise. + * common.cc (Symbol_table::do_allocate_commons_list): Likewise. + * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise. + * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise. + * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise. + * powerpc.cc (Target_powerpc::relocate_tls): Likewise. + +2012-07-10 Dodji Seketeli <dodji@redhat.com> + Ian Lance Taylor <iant@google.com> + + PR gold/14309 + * configure.ac: Test whether std::tr1::hash<off_t> works. + * gold.h: Add a specialization for std::tr1::hash<off_t> if + needed. + * output.h (class Output_fill): Add virtual destructor. + * configure, config.in: Rebuild. + +2012-06-22 Roland McGrath <mcgrathr@google.com> + + * layout.cc (finalize): Define __ehdr_start symbol if applicable. + +2012-06-12 Rafael Ávila de Espíndola <respindola@mozilla.com> + + * plugin.cc (Plugin::load): Handle position independent executables. + +2012-06-06 Cary Coutant <ccoutant@google.com> + + * layout.cc (gdb_sections): Remove ".debug_" prefixes, + add .debug_macro. + (lines_only_debug_sections): Likewise. + (gdb_fast_lookup_sections): New static array. + (is_gdb_debug_section): Rename formal parameter. + (is_lines_only_debug_section): Likewise. + (is_gdb_fast_lookup_section): New function. + (Layout::include_section): Check for ".zdebug_" prefix; pass + section name suffix to is_gdb_debug_section, et al.; check for + fast-lookup sections when building .gdb_index. + * options.h (--strip-debug-gdb): Update GDB version number. + +2012-06-06 Cary Coutant <ccoutant@google.com> + + * configure.ac: Add check for fallocate. + * configure: Regenerate. + * config.in: Regenerate. + + * options.h (class General_options): Add --mmap-output-file and + --posix-fallocate options. + * output.cc: (posix_fallocate): Remove; replace with... + (gold_fallocate): New function. + (Output_file::map_no_anonymous): Call gold_fallocate. + (Output_file::map): Check --mmap-output-file option. + +2012-06-05 Jing Yu <jingyu@google.com> + + * gold.h (textdomain): Add do {} to empty while(0). + (bindtextdomain): Likewise. + +2012-06-04 Cary Coutant <ccoutant@google.com> + + * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call + has_dynsym_index. + +2012-05-25 Sriraman Tallam <tmsriram@google.com> + + * symtab.cc (Symbol_table::define_special_symbol): + Initialize *poldsym to prevent uninitialized variable errors. + +2012-05-23 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::section_name_mapping): Add rules to handle + exact match on .data.rel.ro.local or .data.rel.ro. + (Layout::output_section_name): Check for exact matches. + +2012-05-23 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.* + more carefully. + +2012-05-22 Cary Coutant <ccoutant@google.com> + + * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable + object before exporting symbol. + +2012-05-21 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/tls_test.cc: Include "config.h" first. + * testsuite/tls_test_c.c: Likewise. + +2012-05-17 Daniel Richard G. <skunk@iskunk.org> + Nick Clifton <nickc@redhat.com> + + PR 14072 + * configure.in: Add check that sysdep.h has been included before + any system header files. + * configure: Regenerate. + * config.in: Regenerate. + +2012-05-14 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::make_output_section): Mark .tdata section + as RELRO. + * testsuite/relro_test.cc: Add a TLS variable. + +2012-05-10 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/14091 + * x86_64.cc (Target_x86_64::Scan::local): For x32, generate + R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of + R_X86_64_64. + +2012-05-08 Cary Coutant <ccoutant@google.com> + + * layout.cc (gdb_sections): Update GDB version, add .debug_addr. + (lines_only_debug_sections): Likewise. + +2012-05-02 Roland McGrath <mcgrathr@google.com> + + * nacl.cc: New file. + * nacl.h: New file. + * Makefile.am (CCFILES, HFILES): Add them. + * Makefile.in: Regenerate. + * i386.cc (Output_data_plt_i386_nacl): New class. + (Output_data_plt_i386_nacl_exec): New class. + (Output_data_plt_i386_nacl_dyn): New class. + (Target_i386_nacl): New class. + (Target_selector_i386_nacl): New class. + (target_selector_i386): Use it instead of Target_selector_i386. + * x86_64.cc (Output_data_plt_x86_64_nacl): New class. + (Target_x86_64_nacl): New class. + (Target_selector_x86_64_nacl): New class. + (target_selector_x86_64, target_selector_x32): Use it instead of + Target_selector_x86_64. + * arm.cc (Output_data_plt_arm_nacl): New class. + (Target_arm_nacl): New class. + (Target_selector_arm_nacl): New class. + (target_selector_arm, target_selector_armbe): Use it instead of + Target_selector_arm. + + * target-select.cc (select_target): Take new Input_file* and off_t + arguments, pass them on to recognize method of selector. + * object.cc (make_elf_sized_object): Update caller. + * parameters.cc (parameters_force_valid_target): Likewise. + * incremental.cc (make_sized_incremental_binary): Likewise. + * target-select.h: Update decl. + (Target_selector::recognize): Take new Input_file* argument, + pass it on to do_recognize. + (Target_selector::do_recognize): Take new Input_file* argument. + * freebsd.h (Target_selector_freebsd::do_recognize): Likewise. + * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise. + * sparc.cc (Target_selector_sparc::do_recognize): Likewise. + * testsuite/testfile.cc (Target_selector::do_recognize): Likewise. + + * target.h (Target::Target_info): New members isolate_execinstr + and rosegment_gap. + (Target::isolate_execinstr, Target::rosegment_gap): New methods. + * arm.cc (Target_arm::arm_info): Update initializer. + * i386.cc (Target_i386::i386_info): Likewise. + * powerpc.cc (Target_powerpc::powerpc_info): Likewise. + * sparc.cc (Target_sparc::sparc_info): Likewise. + * x86_64.cc (Target_x86_64::x86_64_info): Likewise. + * testsuite/testfile.cc (Target_test::test_target_info): Likewise. + * layout.cc (Layout::attach_allocated_section_to_segment): + Take new const Target* argument. If target->isolate_execinstr(), act + like --rosegment. + (Layout::find_first_load_seg): Take new const Target* argument; + if target->isolate_execinstr(), reject PF_X segments. + (Layout::relaxation_loop_body): Update caller. + (Layout::set_segment_offsets): If target->isolate_execinstr(), + reset file offset to zero when we hit LOAD_SEG, and then do a second + loop over the segments before LOAD_SEG to reassign offsets after + addresses have been determined. Handle target->rosegment_gap(). + (Layout::attach_section_to_segment): Take new const Target* argument; + pass it to attach_allocated_section_to_segment. + (Layout::make_output_section): Update caller. + (Layout::attach_sections_to_segments): Take new const Target* argument; + pass it to attach_section_to_segment. + * gold.cc (queue_middle_tasks): Update caller. + * layout.h (Layout): Update method decls with new arguments. + + * arm.cc (Target_arm::Target_arm): Take optional argument for the + Target_info pointer to use. + (Target_arm::do_make_data_plt): New virtual method. + (Target_arm::make_data_plt): New method that calls it. + (Target_arm::make_plt_entry): Use it. + (Output_data_plt_arm::Output_data_plt_arm): Take additional argument + for the section alignment. + (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual + method. + (Output_data_plt_arm::first_plt_entry_offset): Call it. + (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual + method. + (Output_data_plt_arm::get_plt_entry_size): Call it. + (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method. + (Output_data_plt_arm::fill_plt_entry): New method that calls it. + (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual + method. + (Output_data_plt_arm::fill_first_plt_entry): New method that calls it. + (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size + method instead of sizeof(plt_entry). + (Output_data_plt_arm::add_entry): Likewise. + Use first_plt_entry_offset method instead of sizeof(first_plt_entry). + (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather + than static method. + (Target_arm::plt_entry_size): Likewise. + (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry): + Move to ... + (Output_data_plt_arm_standard): ... here, new class. + (Output_data_plt_arm::do_write): Move guts of PLT filling to... + (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ... + (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here. + + * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64): + Take additional argument for the PLT entry size. + (Output_data_plt_x86_64::get_tlsdesc_plt_offset): + Use get_plt_entry_size method rather than plt_entry_size variable. + (Output_data_plt_x86_64::reserve_slot): Likewise. + (Output_data_plt_x86_64::do_adjust_output_section): Likewise. + (Output_data_plt_x86_64::add_entry): Likewise. + (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise. + (Output_data_plt_x86_64::address_for_global): Likewise. + (Output_data_plt_x86_64::address_for_local): Likewise. + (Output_data_plt_x86_64::set_final_data_size): Likewise. + (Output_data_plt_x86_64::first_plt_entry_offset): Likewise. + Make method non-static. + (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual + method. + (Output_data_plt_x86_64::get_plt_entry_size): Just call that. + (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method. + (Output_data_plt_x86_64::add_eh_frame): New method to call it. + (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract + virtual method. + (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it. + (Output_data_plt_x86_64::do_fill_plt_entry): New abstract + virtual method. + (Output_data_plt_x86_64::fill_plt_entry): New method to call it. + (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract + virtual method. + (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it. + (Output_data_plt_x86_64::plt_entry_size) + (Output_data_plt_x86_64::first_plt_entry) + (Output_data_plt_x86_64::plt_entry) + (Output_data_plt_x86_64::tlsdesc_plt_entry) + (Output_data_plt_x86_64::plt_eh_frame_fde_size) + (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ... + (Output_data_plt_x86_64_standard): ... here, new class. + (Target_x86_64::Target_x86_64): Take optional argument for the + Target_info pointer to use. + (Target_x86_64::do_make_data_plt): New virtual method. + (Target_x86_64::make_data_plt): New method to call it. + (Target_x86_64::init_got_plt_for_update): Use that. + Call this->plt_->add_eh_frame method here. + (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here. + (Target_x86_64::first_plt_entry_offset): Call method on this->plt_ + rather than static method. + (Target_x86_64::plt_entry_size): Likewise. + (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method + rather than plt_entry_size variable. Move guts of PLT filling to... + (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ... + (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ... + (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here. + + * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take + additional argument for the section alignment. + Don't do add_eh_frame_for_plt here. + (Output_data_plt_i386::first_plt_entry_offset): Make the method + non-static. Use get_plt_entry_size method rather than plt_entry_size + variable. + (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual + method. + (Output_data_plt_i386::get_plt_entry_size): Call it. + (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method. + (Output_data_plt_i386::add_eh_frame): New method to call it. + (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual + method. + (Output_data_plt_i386::fill_first_plt_entry): New method to call it. + (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual + method. + (Output_data_plt_i386::fill_plt_entry): New method to call it. + (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size + method instead of plt_entry_size. + (Output_data_plt_i386::plt_entry_size) + (Output_data_plt_i386::plt_eh_frame_fde_size) + (Output_data_plt_i386::plt_eh_frame_fde): Move to ... + (Output_data_plt_i386_standard): ... here, new class. + (Output_data_plt_i386_exec): New class. + (Output_data_plt_i386::exec_first_plt_entry): Move to ... + (Output_data_plt_i386_exec::first_plt_entry): ... here. + (Output_data_plt_i386::exec_plt_entry): Move to ... + (Output_data_plt_i386_exec::plt_entry): ... here. + (Output_data_plt_i386_dyn): New class. + (Output_data_plt_i386::first_plt_entry): Move to ... + (Output_data_plt_i386_dyn::first_plt_entry): ... here. + (Output_data_plt_i386::dyn_plt_entry): Move to ... + (Output_data_plt_i386_dyn::plt_entry): ... here. + (Target_i386::Target_i386): Take optional argument for the Target_info + pointer to use. + (Target_i386::do_make_data_plt): New virtual method. + (Target_i386::make_data_plt): New method to call it. + (Target_i386::make_plt_section): Use that. + Call this->plt_->add_eh_frame method here. + (Output_data_plt_i386::add_entry): Use get_plt_entry_size method + rather than plt_entry_size variable. + (Output_data_plt_i386::add_local_ifunc_entry): Likewise. + (Output_data_plt_i386::address_for_local): Likewise. + (Output_data_plt_i386::do_write): Likewise. + Move guts of PLT filling to... + (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ... + (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ... + (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ... + (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here. + +2012-05-01 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_die::read_attributes) + (Dwarf_die::skip_attributes, Dwarf_die::int_attribute) + (Dwarf_die::uint_attribute): Remove DW_FORM_null. + * reduced_debug_output.cc + (Output_reduced_debug_info_section::get_die_end): Remove + DW_FORM_GNU_ref_index. Add default case. + +2012-04-26 Mark Wielaard <mjw@redhat.com> + + * dwarf_reader.cc (Dwarf_die::address_attribute): New function. + * dwarf_reader.h (Dwarf_die::address_attribute): Likewise. + * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle + DW_AT_high_pc as offset from DW_AT_low_pc. + + * testsuite/Makefile.am (gdb_index_test_3.sh): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/gdb_index_test_3.c: New test source file. + * testsuite/gdb_index_test_3.sh: New test source file. + +2012-04-25 Ian Lance Taylor <iant@google.com> + + * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const + pointer. + (Stub_addend_reader::operator()): Declare Arm_relocate_functions + as a class, not a struct. + (Target_arm::scan_span_for_cortex_a8_erratum): Likewise. + (Target_arm::apply_cortex_a8_workaround): Likewise. + * gc.h: Declare Reloc_types as a struct, not a class. + * object.h: Declare Symbols_data as a struct. + * reloc.h: Declare Read_relocs_data as a struct. + * target.h: Declare Relocate_info as a struct. + +2012-04-24 David S. Miller <davem@davemloft.net> + + * sparc.cc (Target_sparc::Relocate::relax_call): New function. + (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30 + and R_SPARC_WPLT30. + +2012-04-24 Cary Coutant <ccoutant@google.com> + + * incremental-dump.cc (find_input_containing_global): Replace + magic number with symbolic constant. + (dump_incremental_inputs): Update version number. + * incremental.cc (Output_section_incremental_inputs): Update version + number; import symbolic constants from Incremental_inputs_reader. + (Incremental_inputs::create_data_sections): Align relocations + section correctly for 64-bit targets. + (Output_section_incremental_inputs::set_final_data_size): Use symbolic + constants; add padding. + (Output_section_incremental_inputs::write_header): Add assert for + header_size. + (Output_section_incremental_inputs::write_input_files): Add assert + for input_entry_size. + (Output_section_incremental_inputs::write_info_blocks): Add padding; + add assert for object_info_size, input_section_entry_size, + global_sym_entry_size. + * incremental.h (Incremental_inputs_reader): Add symbolic constants + for data structure sizes; use them. + (Incremental_input_entry_reader): Import symbolic constants from + Incremental_inputs_reader; use them. + +2012-04-23 David S. Miller <davem@davemloft.net> + + * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_, + and elf_flags_set_. + (Target_sparc::Target_sparc): Initialize new fields. + (Target_sparc::do_make_elf_object): New function. + (Target_sparc::do_adjust_elf_header): New function. + +2012-04-23 Cary Coutant <ccoutant@google.com> + + * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing + CU range table of gdb index. + +2012-04-20 David S. Miller <davem@davemloft.net> + + * target.cc (Sized_target::do_adjust_elf_header): Use big_endian + instead of false. + +2012-04-16 David S. Miller <davem@davemloft.net> + + * sparc.cc (Target_sparc::got_address): New function. + (Sparc_relocate_functions::gdop_hix22): New function. + (Sparc_relocate_functions::gdop_lox10): New function. + (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA + relocs. + (Target_sparc::Scan::local): Likewise if the global symbol is not + preemptible and is not IFUNC. + (Target_sparc::Relocate::relocate): Perform GOTDATA code + transformations for local and non-preemptible non-IFUNC global + symbols. + + * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when + writing out 64-bit part of ranges. + + * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of + -fpic and -fpie respectively. + * Makefile.in: Regenerate. + + * sparc.cc (class Target_sparc): Add rela_ifunc_. + (Target_sparc::Target_sparc): Initialize new field. + (Target_sparc::do_plt_section_for_global): New function. + (Target_sparc::do_plt_section_for_local): New function. + (Target_sparc::reloc_needs_plt_for_ifunc): New function. + (Target_sparc::make_plt_section): New function, broken out of + make_plt_entry. Use ORDER_NON_RELRO_FIRST for ".plt". + (Target_sparc::make_plt_entry): Call make_plt_section. + (Target_sparc::make_local_ifunc_plt_entry): New function. + (Target_sparc::rela_ifunc_section): New function. + (Target_sparc::plt_section): Remove const. + (Output_data_plt_sparc): Update declarations. Define Global_ifunc + and Local_ifunc types. Add global_ifuncs_, local_ifuncs_, ifunc_rel_, + and ifunc_count_ fields. + (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields. + (Output_data_plt_sparc::add_entry): Handle IFUNC symbols. + (Output_data_plt_sparc::add_local_ifunc_entry): New function. + (Output_data_plt_sparc::rela_ifunc): New function. + (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function. + (Output_data_plt_sparc::has_ifunc_section): New function. + (Output_data_plt_sparc::entry_count): Include ifunc_count_. + (Output_data_plt_sparc::address_for_global): New function. + (Output_data_plt_sparc::address_for_local): New function. + (Output_data_plt_sparc::plt_index_to_offset): New function. + (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset + and entry_count. + (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and + entry_count. + (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and + R_SPARC_JMP_IREL to switch. + (Target_sparc::Scan::check_non_pic): Likewise. + (Target_sparc::Scan::local): Handle IFUNC symbols. + (Target_sparc::Scan::local): Likewise. + (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global + and plt_address_for_local. + (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs. + Define __rel_iplt_start and __rel_iplt_end if doing a static link. + + * output.h (Output_reloc): Allow use_plt_offset for global relocs too. + (class Output_data_reloc): Adjust calls to Output_reloc_type. + (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset. + * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for + global relocs too. + (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols. + * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative + calls. + * sparc.cc (Target_sparc::Scan::global): Likewise. + * x86_64.cc (Target_x86_64::Scan::global): Likewise. + +2012-04-16 Cary Coutant <ccoutant@google.com> + + * archive.cc (Library_base::should_include_member): Check for + --export-dynamic-symbol. + * options.h (class General_options): Add --export-dynamic-symbol. + * symtab.cc (Symbol::should_add_dynsym_entry): Check for + --export-dynamic-symbol. + (Symbol_table::gc_mark_undef_symbols): Likewise. + (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise. + +2012-04-12 David S. Miller <davem@davemloft.net> + + * sparc.cc (Reloc::wdisp10): New relocation method. + (Reloc::h34): Likewise. + (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34. + (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and + R_SPARC_WDISP10. + (Target_sparc::Scan::local): Likewise. + (Target_sparc::Scan::global): Likewise. + (Target_sparc::Relocate::relocate): Likewise. + +2012-04-09 Cary Coutant <ccoutant@google.com> + + * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow + low_pc == 0. + +2012-04-06 Ian Lance Taylor <iant@google.com> + + * timer.cc: #include <unistd.h>. + +2012-04-06 Roland McGrath <mcgrathr@google.com> + + * configure.in (AC_CHECK_HEADERS): Add locale.h. + * config.in: Regenerate. + * configure: Regenerate. + +2012-04-05 Nick Clifton <nickc@redhat.com> + + * configure.ac (AC_CHECK_FUNCS): Add setlocale. + (AM_LC_MESSAGES): Add. + * aclocal.m4: Regenerate. + * config.in: Regenerate. + * configure: Regenerate. + +2012-03-21 Cary Coutant <ccoutant@google.com> + + * Makefile.am: Add gdb-index.cc, gdb-index.h. + * Makefile.in: Regenerate. + * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function. + (Sized_elf_reloc_mapper::symbol_section): New function. + (Sized_elf_reloc_mapper::do_get_reloc_target): New function. + (make_elf_reloc_mapper): New function. + (Dwarf_abbrev_table::clear_abbrev_codes): New function. + (Dwarf_abbrev_table::do_read_abbrevs): New function. + (Dwarf_abbrev_table::do_get_abbrev): New function. + (Dwarf_ranges_table::read_ranges_table): New function. + (Dwarf_ranges_table::read_range_list): New function. + (Dwarf_pubnames_table::read_section): New function. + (Dwarf_pubnames_table::read_header): New function. + (Dwarf_pubnames_table::next_name): New function. + (Dwarf_die::Dwarf_die): New function. + (Dwarf_die::read_attributes): New function. + (Dwarf_die::skip_attributes): New function. + (Dwarf_die::set_name): New function. + (Dwarf_die::set_linkage_name): New function. + (Dwarf_die::attribute): New function. + (Dwarf_die::string_attribute): New function. + (Dwarf_die::int_attribute): New function. + (Dwarf_die::uint_attribute): New function. + (Dwarf_die::ref_attribute): New function. + (Dwarf_die::child_offset): New function. + (Dwarf_die::sibling_offset): New function. + (Dwarf_info_reader::check_buffer): New function. + (Dwarf_info_reader::parse): New function. + (Dwarf_info_reader::do_parse): New function. + (Dwarf_info_reader::do_read_string_table): New function. + (Dwarf_info_reader::lookup_reloc): New function. + (Dwarf_info_reader::get_string): New function. + (Dwarf_info_reader::visit_compilation_unit): New function. + (Dwarf_info_reader::visit_type_unit): New function. + (Sized_dwarf_line_info::Sized_dwarf_line_info): Use + Sized_elf_reloc_mapper. + (Sized_dwarf_line_info::symbol_section): Remove function. + (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper. + (Sized_dwarf_line_info::read_line_mappings): Remove object + parameter, adjust callers. + (Sized_dwarf_line_info::format_file_lineno): Fix type of cast. + * dwarf_reader.h: Include <sys/types.h>. + (class Track_relocs): Remove forward declaration. + (class Elf_reloc_mapper): New class. + (class Sized_elf_reloc_mapper): New class. + (class Dwarf_abbrev_table): New class. + (class Dwarf_range_list): New class. + (class Dwarf_ranges_table): New class. + (class Dwarf_pubnames_table): New class. + (class Dwarf_die): New class. + (class Dwarf_info_reader): New class. + (Sized_dwarf_line_info::read_line_mappings): Remove object parameter. + (Sized_dwarf_line_info::symbol_section): Remove member function. + * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from + base class. + * gdb-index.cc: New source file. + * gdb-index.h: New source file. + * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info + and .debug_types sections, call Layout::add_to_gdb_index. + (Sized_relobj_incr::do_section_name): Implement. + (Sized_relobj_incr::do_section_contents): Adjust parameter list and + return type; Implement. + (Sized_incr_dynobj::do_section_contents): Adjust parameter list and + return type. + * incremental.h (Sized_relobj_incr::do_section_contents): Adjust + parameter list and return type. + (Sized_incr_dynobj::do_section_contents): Likewise. + * layout.cc: Include gdb-index.h. + (Layout::Layout): Initialize gdb_index_data_. + (Layout::init_fixed_output_section): Check for .gdb_index section. + (Layout::add_to_gdb_index): New function. Instantiate. + * layout.h: Add forward declaration for class Gdb_index. + (Layout::add_to_gdb_index): New member function. + (Layout::gdb_index_data_): New data member. + * main.cc: Include gdb-index.h. + (main): Print statistics for gdb index. + * object.cc (Object::section_contents): Move code into + do_section_contents. + (need_decompressed_section): Check for sections needed when building + gdb index. + (build_compressed_section_map): Likewise. + (Sized_relobj_file::do_read_symbols): Need local symbols when building + gdb index. + (Sized_relobj_file::do_layout): Track .debug_info and .debug_types + sections; call Layout::add_to_gdb_index. + (Sized_relobj_file::do_decompressed_section_contents): Call + do_section_contents directly. + * object.h (Object::do_section_contents): Adjust parameter list and + return type. + (Object::do_decompressed_section_contents): Call do_section_contents + directly. + (Sized_relobj_file::do_section_contents): Adjust parameter list and + return type. + * options.h (class General_options): Add --gdb-index option. + * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter + list and return type. + * plugin.h (Sized_pluginobj::do_section_contents): Likewise. + * reloc.h (Track_relocs::checkpoint): New function. + (Track_relocs::reset): New function. + + * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh): + New test cases. + * testsuite/Makefile.in: Regenerate. + * testsuite/gdb_index_test.cc: New test source file. + * testsuite/gdb_index_test_1.sh: New test source file. + * testsuite/gdb_index_test_2.sh: New test source file. + +2012-03-19 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_define_standard_symbols): New method. + (Target_arm::do_finalize_sections): Remove code which defines + __exidx_start and __exidx_end. Make symbol table parameter + anonymous as it is not used. + * gold.cc (queue_middle_tasks): Call target hook to define any + target-specific symbols. + * target.h (Target::define_standard_symbols): New method. + (Target::do_define_standard_symbols): Same. + * testsuite/Makefile.am (arm_exidx_test): Dump relocations also. + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_exidx.s: Generate data relocations for __exidx_start + and __exidx_end. + * testsuite/arm_exidx_test.sh: Check that no unused dynamic + relocations are generated for __exidx_start and __exidx_end. + +2012-03-16 Doug Kwan <dougkwan@google.com> + + * testsuite/Makefile.am: Disable test initpri3b. + * testsuite/Makefile.in: Regenerate. + +2012-03-15 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::got_section): Make .got section read-only + if -z now is given. + +2012-03-15 Ian Lance Taylor <iant@google.com> + + PR gold/13850 + * layout.cc (Layout::make_output_section): Correctly mark + SHT_INIT_ARRAY, et. al., as relro. + +2012-03-14 Doug Kwan <dougkwan@google.com> + + * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT + dynamic relocations for protected symbols in shared objects. + +2012-03-13 Ian Lance Taylor <iant@google.com> + + * resolve.cc (Symbol_table::resolve): When merging common symbols, + keep the larger alignment. + +2012-03-12 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix + handling of DW_LNE_define_file. + +2012-03-12 Cary Coutant <ccoutant@google.com> + + * reduced_debug_output.cc + (Output_reduced_debug_info_section::get_die_end): Add new FORM + codes to switch. + +2012-02-29 Cary Coutant <ccoutant@google.com> + + * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS. + +2012-02-29 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info): + Call Object::decompressed_section_contents. + * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info): + New dtor. + (Sized_dwarf_line_info::buffer_start_): New data member. + * merge.cc (Output_merge_data::do_add_input_section): Call + Object::decompressed_section_contents. + (Output_merge_string::do_add_input_section): Likewise. + * object.cc (need_decompressed_section): New function. + (build_compressed_section_map): Decompress sections needed later. + (Sized_relobj_file::do_decompressed_section_contents): New function. + (Sized_relobj_file::do_discard_decompressed_sections): New function. + * object.h (Object::decompressed_section_contents): New function. + (Object::discard_decompressed_sections): New function. + (Object::do_decompressed_section_contents): New function. + (Object::do_discard_decompressed_sections): New function. + (Compressed_section_info): New type. + (Compressed_section_map): Include decompressed section contents. + (Sized_relobj_file::do_decompressed_section_contents): New function. + (Sized_relobj_file::do_discard_decompressed_sections): New function. + +2012-02-16 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option. + * testsuite/Makefile.in: Regenerate. + +2012-02-14 Cary Coutant <ccoutant@google.com> + + * options.cc (General_options::finalize): Disallow -pie and -static. + +2012-02-03 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relocate_functions::abs8, + Arm_relocate_functions::abs16): Use + Bits::has_signed_unsigned_overflow32. + (Arm_relocate_functions::thm_abs8): Correct range of + overflow check. + * reloc.h (Bits class): Change minimum number of bits from 0 to 1 + in assertions. + +2012-02-02 Doug Kwan <dougkwan@google.com> + + * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all + position independent outputs, not just shared objects. + +2012-01-30 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac: Check if -fpic -mtls-dialect=gnu2 works. + * configure: Regenerated. + +2012-01-27 Ian Lance Taylor <iant@google.com> + + * reloc.h (Bits): New class with static functions, copied from + namespace utils in arm.cc. + * arm.cc (namespace utils): Remove. Rewrite all uses to use Bits + instead. + +2012-01-27 H.J. Lu <hongjiu.lu@intel.com> + + * incremental.cc (write_info_blocks): Correct relocation offset. + +2012-01-27 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Relocate::tls_gd_to_ie): Support x32. + (Relocate::tls_gd_to_le): Likewise. + +2012-01-27 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Scan::global): Support x32 IFUNC function pointer. + +2012-01-27 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac: Check if -mcmodel=medium works. + * configure: Regenerated. + +2012-01-24 Cary Coutant <ccoutant@google.com> + + * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline + definition and ... + (read_unsigned_LEB_128_x): ... this new function. + (read_signed_LEB_128): Replaced with inline definition and ... + (read_signed_LEB_128_x): ... this new function. + * int_encoding.h (read_unsigned_LEB_128_x): New function. + (read_unsigned_LEB_128): Add inline definition. + (read_signed_LEB_128_x): New function. + (read_signed_LEB_128): Add inline definition. + * testsuite/Makefile.am (leb128_unittest): New unit test. + * testsuite/Makefile.in: Regenerate. + * testsuite/leb128_unittest.cc: New unit test. + +2012-01-23 Ian Lance Taylor <iant@google.com> + + PR gold/13617 + * i386.cc (Target_i386::do_code_fill): When using a jmp + instruction, pad with nop instructions. + * x86_64.cc (Target_x86_64::do_code_fill): Likewise. + +2012-01-22 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (gc_process_relocs): Add typename on types used in + template. + (scan_relocs): Likewise. + (relocate_section): Likewise. + (apply_relocation): Likewise. + +2012-01-10 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32. + (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32 + under x32. + +2012-01-09 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc: Initial support for x32. + +2012-01-03 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_incremental_binary::do_process_got_plt): + Use abstract base class for GOT. + * output.h (class Output_data_got_base): New abstract base class. + (class Output_data_got): Derive from new base class, adjust ctors. + (Output_data_got::reserve_slot): Make virtual; rename to + do_reserve_slot; Adjust callers. + * target.h (Sized_target::init_got_plt_for_update): Return + pointer to abstract base class. + * x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise. + +2011-12-18 Ian Lance Taylor <iant@google.com> + + * object.h (Relobj::local_symbol_value): New function. + (Relobj::local_plt_offset): New function. + (Relobj::local_has_got_offset): New function. + (Relobj::local_got_offset): New function. + (Relobj::set_local_got_offset): New function. + (Relobj::do_local_symbol_value): New pure virtual function. + (Relobj::do_local_plt_offset): Likewise. + (Relobj::do_local_has_got_offset): Likewise. + (Relobj::do_local_got_offset): Likewise. + (Relobj::do_set_local_got_offset): Likewise. + (Sized_relobj::do_local_has_got_offset): Rename from + local_has_got_offset. + (Sized_relobj::do_local_got_offset): Rename from local_got_offset. + (Sized_relobj::do_set_local_got_offset): Rename from + set_local_got_offset. + (Sized_relobj_file::do_local_plt_offset): Rename from + local_plt_offset. + (Sized_relobj_file::do_local_symbol_value): New function. + * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from + local_plt_offset. + * output.cc (Output_data_got::Got_entry::write): Change object to + Relobj. Use local_symbol_value. + (Output_data_got::add_global_with_rel): Change rel_dyn to + Output_data_reloc_generic*. Use add_global_generic. + (Output_data_got::add_global_with_rela): Remove. Change all + callers to use add_global_with_rel. + (Output_data_got::add_global_pair_with_rel): Change rel_dyn to + Output_data_reloc_generic*. Use add_global_generic. + (Output_data_got::add_global_pair_with_rela): Remove. Change all + callers to use add_global_pair_with_rel. + (Output_data_got::add_local): Change object to Relobj*. + (Output_data_got::add_local_plt): Likewise. + (Output_data_got::add_local_with_rel): Change object to Relobj*, + change rel_dyn to Output_data_reloc_generic*. Use + add_local_generic. + (Output_data_got::add_local_with_rela): Remove. Change all + callers to use all_local_with_rel. + (Output_data_got::add_local_pair_with_rel): Change object to + Relobj*, change rel_dyn to Output_data_reloc_generic*. Use + add_output_section_generic. + (Output_data_got::add_local_pair_with_rela): Remove. Change all + callers to use add_local_pair_with_rel. + (Output_data_got::reserve_local): Change object to Relobj*. + * output.h: (class Output_data_reloc_generic): Add pure virtual + declarations for add_global_generic, add_local_generic, + add_output_section_generic. + (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new + functions for Output_data_reloc_generic. Update declarations for + changes listed in output.cc. + (class Output_data_got): Change template parameter to got_size. + Don't define Rel_dyn or Rela_dyn. Update declarations per above. + * incremental.h (Sized_relobj_incr::do_local_symbol_value): New + function. + (Sized_relobj_incr::do_local_plt_offset): New function. + * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call + add_global_generic. + +2011-12-17 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts. + * resolve.cc (Symbol_table::resolve): Likewise. + * i386.cc (Target_i386::do_code_fill): Use char constants for nop + arrays. + * x86_64.cc (Target_x86_64::do_code_fill): Likewise. + +2011-12-16 Ian Lance Taylor <iant@google.com> + + * output.h (Output_data_reloc_generic::add): Only call + add_dynamic_reloc if this is a dynamic reloc section. + +2011-12-15 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/13505 + * target-reloc.h (apply_relocation): Replace <64, false> with + <size, big_endian>. + +2011-11-25 Nick Clifton <nickc@redhat.com> + + * po/it.po: New Italian translation. + +2011-11-17 Sterling Augustine <saugustine@google.com> + + * script.cc (script_include_directive): Implement. + (read_script_file): New local variables name and search_path. Update + comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list. + * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method. + * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it. + +2011-11-11 Sterling Augustine <saugustine@google.com> + + * yyscript.y (section_cmd): Add support for INCLUDE directive. + (file_or_sections_cmd): Likewise. + +2011-11-11 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_make_elf_object): Allow executable also + if --just-symbols is given. + +2011-11-10 Doug Kwan <dougkwan@google.com> + + PR gold/13362 + * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses + when processing data relocs. + * reloc.h (Relocate_functions::rel_unaligned): New method. + (Relocate_functions::pcrel_unaligned): Ditto. + (Relocate_functions::rel32_unaligned): Ditto. + (Relocate_functions::pcrel32_unaligned): Ditto. + +2011-11-09 Doug Kwan <dougkwan@google.com> + + PR gold/13362 + * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs): + Use unaligned 4-byte relocs for static 32-bit data as required by EABI. + * reloc.h (Relocatable_relocs::Reloc_strategy): New enum + RELOC_ADJUST_FOR_SECTION_4_UNALIGNED. + (Relocate_functions::rel_unaligned): New. + (Relocate_functions::rel32_unaligned): New. + * target-reloc.h (relocate_for_relocatable): Add code to handle + RELOC_ADJUST_FOR_SECTION_4_UNALIGNED. + * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout, + arm_unaligned_reloc_r): New targets. + * testsuite/Makefile.in: Regenerate. + * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable + linking. + +2011-11-02 Ian Lance Taylor <iant@google.com> + + * configure.ac: Add --with-lib-path option. Define LIB_PATH and + NATIVE_LINKER. + * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR. + * options.cc (General_options::finalize): Use library search path + from configure script if specified. If not native and no sysroot, + only search TOOLLIBDIR. + * options.h (Search_directory::Search_directory): Change name to + const std::string&. + (General_options::add_to_library_path_with_sysroot): Change arg to + const std::string&. + * configure, Makefile.in, config.in: Rebuild. + +2011-11-02 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + + * arm.cc (Target_arm::may_use_v5t_interworking): Check whether + we are working around the ARM1176 Erratum. + * options.h (General_options::fix_arm1176): Add option. + * testsuite/Makefile.am: Add testcases, and keep current ones + working. + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_fix_1176.s: New file. + * testsuite/arm_fix_1176.sh: Likewise. + +2011-11-02 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + + * arm.cc (Target_arm::Target_arm): Remove initialisation of + may_use_blx_. + (Target_arm::may_use_blx): Remove method. + (Target_arm::set_may_use_blx): Likewise. + (Target_arm::may_use_v4t_interworking): New method. + (Target_arm::may_use_v5t_interworking): Likewise. + (Target_arm::may_use_blx_): Remove member variable. + (Arm_relocate_functions::arm_branch_common): Check for v5T + interworking. + (Arm_relocate_functions::thumb_branch_common): Likewise. + (Reloc_stub::stub_type_for_reloc): Likewise. + (Target_arm::do_finalize_sections): Correct interworking checks. + * testsuite/Makefile.am: Add new tests. + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_farcall_arm_arm.s: New test. + * testsuite/arm_farcall_arm_arm.sh: Likewise. + * testsuite/arm_farcall_arm_thumb.s: Likewise. + * testsuite/arm_farcall_arm_thumb.sh: Likewise. + * testsuite/arm_farcall_thumb_arm.s: Likewise. + * testsuite/arm_farcall_thumb_arm.sh: Likewise. + * testsuite/arm_farcall_thumb_thumb.s: Likewise. + * testsuite/arm_farcall_thumb_thumb.sh: Likewise. + +2011-10-31 Cary Coutant <ccoutant@google.com> + + PR gold/13023 + * expression.cc (Expression::eval_with_dot): Add + is_section_dot_assignment parameter. + (Expression::eval_maybe_dot): Likewise. Adjust value when rhs is + absolute and assigning to dot within a section. + * script-sections.cc + (Output_section_element_assignment::set_section_addresses): Pass + dot_section to set_if_absolute. + (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE + as is_section_dot_assignment flag to eval_with_dot. + (Output_section_element_dot_assignment::set_section_addresses): + Likewise. + * script.cc (Symbol_assignment::set_if_absolute): Add dot_section + parameter. Also set value if relative to dot_section; set the + symbol's output_section. + * script.h (Expression::eval_with_dot): Add is_section_dot_assignment + parameter. Adjust all callers. + (Expression::eval_maybe_dot): Likewise. + (Symbol_assignment::set_if_absolute): Add dot_section parameter. + Adjust all callers. + * testsuite/script_test_2.t: Test assignment of an absolute value + to dot within an output section element. + +2011-10-31 Cary Coutant <ccoutant@google.com> + + * options.h (class General_options): Add --[no-]gnu-unique options. + * symtab.cc (Symbol_table::sized_write_globals): Convert + STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique. + +2011-10-31 Cary Coutant <ccoutant@google.com> + + PR gold/13359 + * i386.cc (Target_i386::Relocate::relocate_tls): Remove + unnecessary assertion. + * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise. + +2011-10-31 Sriraman Tallam <tmsriram@google.com> + + * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to + gc_mark_symbol. + * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to + gc_mark_symbol. + Change to just keep the section associated with symbol. + (Symbol_table::add_from_relobj): Mark symbols as not garbage when + they are externally visible and --export-dynamic is turned on. + (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol. + +2011-10-19 Ian Lance Taylor <iant@google.com> + + PR gold/13163 + * script-sections.cc + (Output_section_element_dot_assignment::needs_output_section): New + function. + +2011-10-19 Ian Lance Taylor <iant@google.com> + + PR gold/13204 + * layout.cc (Layout::segment_precedes): Don't assert failure if a + --section-start option was seen. + * options.h (General_options::any_section_start): New function. + +2011-10-18 David S. Miller <davem@davemloft.net> + + PR binutils/13301 + * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New + member to track relocation locations that have moved during TLS + reloc optimizations. + (Target_sparc::Relocate::Relocate): Initialize to NULL. + (Target_sparc::Relocate::relocate): Adjust view down by 4 + bytes if it matches reloc_adjust_addr_. + (Target_sparc::Relocate::relocate_tls): Always move the + __tls_get_addr call delay slot instruction forward 4 bytes when + performing relaxation. + +2011-10-18 Cary Coutant <ccoutant@google.com> + + * output.cc (posix_fallocate): Return 0 on success, errno on failure. + (Output_file::map_no_anonymous): Check for non-zero + return code from posix_fallocate. + +2011-10-17 Cary Coutant <ccoutant@google.com> + + PR gold/13245 + * plugin.cc (is_visible_from_outside): Check for symbols + referenced from dynamic objects. + * resolve.cc (Symbol_table::resolve): Don't count references + from dynamic objects as references from real ELF files. + * testsuite/plugin_test_2.sh: Adjust expected result. + +2011-10-17 Cary Coutant <ccoutant@google.com> + + * gold.cc: Include timer.h. + (queue_middle_tasks): Stamp time. + (queue_final_tasks): Likewise. + * main.cc (main): Store timer in parameters. Print timers + for each pass. + * parameters.cc (Parameters::Parameters): Initialize timer_. + (Parameters::set_timer): New function. + (set_parameters_timer): New function. + * parameters.h (Parameters::set_timer): New function. + (Parameters::timer): New function. + (Parameters::timer_): New data member. + (set_parameters_timer): New function. + * timer.cc (Timer::stamp): New function. + (Timer::get_pass_time): New function. + * timer.h (Timer::stamp): New function. + (Timer::get_pass_time): New function. + (Timer::pass_times_): New data member. + +2011-10-17 Cary Coutant <ccoutant@google.com> + + * readsyms.cc (Read_symbols::run): Don't queue an unblocker + task for members of lib groups. + +2011-10-17 Cary Coutant <ccoutant@google.com> + + PR gold/13288 + * fileread.cc (File_read::find_view): Add assert. + (File_read::make_view): Move bounds check (replace with assert)... + (File_read::find_or_make_view): ... to here. + +2011-10-12 Cary Coutant <ccoutant@google.com> + + * output.cc (Output_file::open_base_file): Handle case where + ::read returns less than requested size. + +2011-10-10 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_relobj_incr::Sized_relobj_incr): + Initialize defined_count_. + (Sized_relobj_incr::do_add_symbols): Count defined symbols. + (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite. + (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_. + (Sized_incr_dynobj::do_add_symbols): Count defined symbols. + (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite. + * incremental.h (Sized_relobj_incr::defined_count_): New data + member. + (Sized_incr_dynobj::defined_count_): New data member. + * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts): + Return zeroes instead of internal error. + +2011-10-10 Cary Coutant <ccoutant@google.com> + + PR gold/13249 + * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag. + (Output_reloc::symbol_value): Return PLT offset if flag is set. + * output.h (class Output_reloc): Add use_plt_offset flag. + (Output_reloc::type_): Adjust size of bit field. + (Output_reloc::use_plt_offset_): New bit field. + (class Output_data_reloc): Adjust all calls to Output_reloc_type. + (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset + flag. Adjust all callers. + * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when + creating RELATIVE relocations. + +2011-10-10 Nick Clifton <nickc@redhat.com> + + * po/es.po: Updated Spanish translation. + * po/fi.po: Updated Finnish translation. + +2011-10-03 Diego Novillo <dnovillo@google.com> + + * options.cc (parse_uint): Fix dereference of RETVAL. + +2011-09-29 Sriraman Tallam <tmsriram@google.com> + + * layout.h (section_order_map_): New member. + (get_section_order_map): New member function. + * output.cc (Output_section::add_input_section): Check for patterns + only when --section-ordering-file is specified. + * gold.cc (queue_middle_tasks): Delay updating order of sections till + output_sections have been formed. + * layout.cc (Layout_Layout): Initialize section_order_map_. + * plugin.cc (update_section_order): Store order in order_map. Do not + update the order. + * testsuite/Makefile.am: Add test case for plugin_final_layout. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_section_order.c: New file. + * testsuite/plugin_final_layout.cc: New file. + * testsuite/plugin_final_layout.sh: New file. + +2011-09-29 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_incremental_binary::do_process_got_plt): + Check for NULL. + * symtab.cc (Symbol_table::add_from_relobj): Ignore version + symbols during incremental update. + (Symbol_table::add_from_dynobj): Likewise. + +2011-09-27 Viktor Kutuzov <vkutuzov@accesssoftek.com> + Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol_table::define_special_symbol): Always + canonicalize version string. + +2011-09-26 Cary Coutant <ccoutant@google.com> + + * gold.cc (queue_initial_tasks): Move option checks ... + * options.cc (General_options::finalize): ... to here. Disable + some options; make others fatal. + +2011-09-26 Cary Coutant <ccoutant@google.com> + + gcc PR lto/47247 + * plugin.cc (get_symbols_v2): New function. + (Plugin::load): Add LDPT_GET_SYMBOLS_V2. + (is_referenced_from_outside): New function. + (Pluginobj::get_symbol_resolution_info): Add version parameter, return + LDPR_PREVAILING_DEF_IRONLY_EXP when using new version. + (get_symbols): Pass version parameter. + (get_symbols_v2): New function. + * plugin.h (Pluginobj::get_symbol_resolution_info): Add version + parameter. + * testsuite/plugin_test.c (get_symbols_v2): New static variable. + (onload): Add LDPT_GET_SYMBOLS_V2. + (all_symbols_read_hook): Use get_symbols_v2; check for + LDPR_PREVAILING_DEF_IRONLY_EXP. + * testsuite/plugin_test_3.sh: Update expected results. + +2011-09-23 Simon Baldwin <simonb@google.com> + + * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags + configuration options. + * configure: Regenerate. + * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS. + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2011-09-19 Sriraman Tallam <tmsriram@google.com> + + * plugin.h (should_defer_layout): Modify to check for any_claimed_. + +2011-09-19 Cary Coutant <ccoutant@google.com> + + * incremental.cc (can_incremental_update): Fix typo in comment. + * incremental.h (can_incremental_update): Likewise. + +2011-09-18 Cary Coutant <ccoutant@google.com> + + * incremental.cc (can_incremental_update): New function. + * incremental.h (can_incremental_update): New function. + * layout.cc (Layout::init_fixed_output_section): Call it. + (Layout::make_output_section): Don't allow patch space in .eh_frame. + * object.cc (Sized_relobj_file::do_layout): Call + can_incremental_update. + +2011-09-13 Cary Coutant <ccoutant@google.com> + + * configure.ac: Check for glibc support for gnu_indirect_function + support with static linking, setting automake conditional + IFUNC_STATIC. + * Makefile.in: Regenerate. + * configure: Regenerate. + + * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static) + (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check + for IFUNC_STATIC. + * testsuite/Makefile.in: Regenerate. + +2011-09-13 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_relobj_incr::do_layout): Call + report_comdat_group for kept comdat sections. + * testsuite/Makefile.am (incremental_comdat_test_1): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/incr_comdat_test_1.cc: New source file. + * testsuite/incr_comdat_test_2_v1.cc: New source file. + * testsuite/incr_comdat_test_2_v2.cc: New source file. + * testsuite/incr_comdat_test_2_v3.cc: New source file. + +2011-09-13 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj_file::do_layout): Remove unused local + variable external_symbols_offset. + +2011-09-12 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj_file::do_layout): Remove assertion which + triggered if object has no symbols. + +2011-09-09 David S. Miller <davem@davemloft.net> + + * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned. + (Output_fill_debug_line::do_write): Likewise. + +2011-08-29 Cary Coutant <ccoutant@google.com> + + * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add + casts to match formatting specs. + (Output_fill_debug_line::do_minimum_hole_size): Likewise. + +2011-08-26 Cary Coutant <ccoutant@google.com> + + * layout.cc (Free_list::allocate): Provide guarantee of minimum + remaining hole size when allocating. + (Layout::make_output_section): Set fill methods for debug sections. + * layout.h (Free_list::Free_list_node): Move from private to + public. + (Free_list::set_min_hole_size): New function. + (Free_list::begin, Free_list::end): New functions. + (Free_list::min_hole_): New data member. + * output.cc: Include dwarf.h. + (Output_fill_debug_info::do_minimum_hole_size): New function. + (Output_fill_debug_info::do_write): New function. + (Output_fill_debug_line::do_minimum_hole_size): New function. + (Output_fill_debug_line::do_write): New function. + (Output_section::Output_section): Initialize new data member. + (Output_section::set_final_data_size): Ensure patch space is larger + than minimum hole size. + (Output_section::do_write): Fill holes in debug sections. + * output.h (Output_fill): New class. + (Output_fill_debug_info): New class. + (Output_fill_debug_line): New class. + (Output_section::set_free_space_fill): New function. + (Output_section::free_space_fill_): New data member. + * testsuite/Makefile.am (incremental_test_3): Add + --incremental-patch option. + (incremental_test_4): Likewise. + (incremental_test_5): Likewise. + (incremental_test_6): Likewise. + (incremental_copy_test): Likewise. + (incremental_common_test_1): Likewise. + * testsuite/Makefile.in: Regenerate. + +2011-08-26 Nick Clifton <nickc@redhat.com> + + * po/es.po: Updated Spanish translation. + +2011-08-01 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (justsyms_exec): New testcase. + * testsuite/Makefile.in: Regenerate. + * testsuite/justsyms_exec.c: New source file. + * testsuite/justsyms_lib.c: New source file. + +2011-08-01 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::set_segment_offsets): Don't realign text + segment if -Ttext was specified. + * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF + file type. + * object.h (Sized_relobj_file::e_type): New function. + (Sized_relobj_file::e_type_): New data member. + * symtab.cc (Symbol_table::add_from_relobj): Don't add section + base address for ET_EXEC files. + * target.cc (Target::do_make_elf_object_implementation): Allow + ET_EXEC files with --just-symbols option. + +2011-07-28 Cary Coutant <ccoutant@google.com> + + * workqueue-internal.h (Workqueue_threader::should_cancel_thread): + Add thread_number parameter. + (Workqueue_threader_threadpool::should_cancel_thread): Likewise. + * workqueue-threads.cc + (Workqueue_threader_threadpool::should_cancel_thread): Cancel + current thread if its thread number is greater than desired thread + count. + * workqueue.cc (Workqueue_threader_single::should_cancel_thread): + Add thread_number parameter. + (Workqueue::should_cancel_thread): Likewise. + (Workqueue::find_runnable_or_wait): Pass thread_number to + should_cancel_thread. + * workqueue.h (Workqueue::should_cancel_thread): Add thread_number + parameter. + +2011-07-22 Sriraman Tallam <tmsriram@google.com> + + * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced + only after checking if it cannot be forced local. + * symtab.h (is_externally_visible): Check if the symbol is not forced + local. + +2011-07-15 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Add --print-output-format. + Move -EL next to -EB, for better --help output. + * target-select.cc: Include <cstdio>, "options.h", and + "parameters.h". + (Target_selector::do_target_bfd_name): New function. + (print_output_format): New function. + * target-select.h (class Target_selector): Update declarations. + (Target_selector::target_bfd_name): New function. + (print_output_format): Declare. + * main.cc: Include "target-select.h". + (main): Handle --print-output-format. + * gold.cc: Include "target-select.h". + (queue_initial_tasks): Handle --print-output-format when there are + no input files. + * parameters.cc (parameters_force_valid_target): Give a better + error message if -EB/-EL does not match target. + * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New + function. + +2011-07-15 Ian Lance Taylor <iant@google.com> + + * i386.cc (class Output_data_plt_i386): Add layout_ field. + (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_. + (Output_data_plt_i386::do_write): Write address of .dynamic + section to first entry in .got.plt section. + * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field. + (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]: + Initialize layout_. + (Output_data_plt_x86_64::do_write): Write address of .dynamic + section to first entry in .got.plt section. + * layout.h (Layout::dynamic_section): New function. + +2011-07-13 Sriraman Tallam <tmsriram@google.com> + + * archive.cc (Archive::get_elf_object_for_member): Add extra parameter + to claim_file call. + * layout.cc (Layout::Layout): Initialize section_ordering_specified_, + input_section_position_, and input_section_glob_. + (read_layout_from_file): Call function section_ordering_specified. + * layout.h (is_section_ordering_specified): New function. + (section_ordering_specified): New function. + (section_ordering_specified_): New boolean member. + * main.cc(main): Call load_plugins after layout object is defined. + * output.cc (Output_section::add_input_section): Use + function section_ordering_specified to check if section ordering is + needed. + * output.cc (Output_section::add_relaxed_input_section): Use + function section_ordering_specified to check if section ordering is + needed. + (Output_section::update_section_layout): New function. + (Output_section::sort_attached_input_sections): Check if input section + must be reordered. + * output.h (Output_section::update_section_layout): New function. + * plugin.cc (get_section_count): New function. + (get_section_type): New function. + (get_section_name): New function. + (get_section_contents): New function. + (update_section_order): New function. + (allow_section_ordering): New function. + (Plugin::load): Add the new interfaces to the transfer vector. + (Plugin_manager::load_plugins): New parameter. + (Plugin_manager::all_symbols_read): New parameter. + (Plugin_manager::claim_file): New parameter. Save the elf object for + unclaimed objects. + (Plugin_manager::get_elf_object): New function. + (Plugin_manager::get_view): Change to directly use the bool to check + if get_view is called from claim_file_hook. + * plugin.h (input_objects): New function + (Plugin__manager::load_plugins): New parameter. + (Plugin_manager::claim_file): New parameter. + (Plugin_manager::get_elf_object): New function. + (Plugin_manager::in_claim_file_handler): New function. + (Plugin_manager::in_claim_file_handler_): New member. + (layout): New function. + * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file + handler with an extra parameter. Make the elf object before calling + claim_file handler. + * testsuite/plugin_test.c (get_section_count): New function pointer. + (get_section_type): New function pointer. + (get_section_name): New function pointer. + (get_section_contents): New function pointer. + (update_section_order): New function pointer. + (allow_section_ordering): New function pointer. + (onload): Check if the new interfaces exist. + +2011-07-13 Ian Lance Taylor <iant@google.com> + + * i386.cc (Target_i386::got_section): If -z now, make .got.plt a + relro section. + * x86_64.cc (Target_x86_64::got_section): Likewise. + * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test. + (relro_now_test_SOURCES): New variable. + (relro_now_test_DEPENDENCIES): New variable. + (relro_now_test_LDFLAGS): New variable. + (relro_now_test_LDADD): New variable. + (relro_now_test.so): New target. + * testsuite/Makefile.in: Rebuild. + +2011-07-12 Ian Lance Taylor <iant@google.com> + + PR gold/12980 + * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a + GLOB_DAT relocation rather than a RELATIVE relocation for a + protected symbol when creating a shared library. + * x86_64.cc (Target_x86_64::Scan::global): Likewise. + * testsuite/protected_1.cc (f2, get_f2_addr): New functions. + * testsuite/protected_main_1.cc (main): Test that protected + function has same address. + +2011-07-11 Ian Lance Taylor <iant@google.com> + + PR gold/12979 + * options.h (class General_options): Add -Bgroup. + * options.cc (General_options::finalize): If -Bgroup is set, + default to --unresolved-symbols=report-all. + * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup. + * target-reloc.h (issue_undefined_symbol_error): Handle + --unresolved-symbols=report-all. + +2011-07-08 Ian Lance Taylor <iant@google.com> + + PR gold/11985 + * layout.cc (Layout::create_initial_dynamic_sections): Don't crash + if linker script discards key sections. + (Layout::create_dynamic_symtab): Likewise. + (Layout::assign_local_dynsym_offsets): Likewise. + (Layout::sized_create_version_sections): Likewise. + (Layout::create_interp): Likewise. + (Layout::finish_dynamic_section): Likewise. + (Layout::set_dynamic_symbol_size): Likewise. + +2011-07-08 Ian Lance Taylor <iant@google.com> + + PR gold/12386 + * options.h (class General_options): Add --unresolved-symbols. + * target-reloc.h (issue_undefined_symbol_error): Check + --unresolved-symbols. Add comments. + +2011-07-08 Ian Lance Taylor <iant@google.com> + + * testsuite/odr_violation2.cc (Ordering::operator()): Make + expression more complex. + +2011-07-08 Ian Lance Taylor <iant@google.com> + + PR gold/11317 + * target-reloc.h (issue_undefined_symbol_error): New inline + function, broken out of relocate_section. + (relocate_section): Call issue_undefined_symbol_error. + * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if + there is no TLS segment if we are about to issue an undefined + symbol error. + * x86_64.cc (Target_x86_64::relocate_tls): Likewise. + +2011-07-08 Ian Lance Taylor <iant@google.com> + + PR gold/12279 + * resolve.cc (Symbol_table::should_override): Add fromtype + parameter. Change all callers. Give error when linking together + TLS and non-TLS symbol. + (Symbol_table::should_override_with_special): Add fromtype + parameter. Change all callers. + * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if + there is no TLS segment if we have reported some errors. + * x86_64.cc (Target_x86_64::relocate_tls): Likewise. + +2011-07-08 Ian Lance Taylor <iant@google.com> + + PR gold/12372 + * target.h (Target::plt_address_for_global): New function. + (Target::plt_address_for_local): New function. + (Target::plt_section_for_global): Remove. + (Target::plt_section_for_local): Remove. + (Target::do_plt_address_for_global): New virtual function. + (Target::do_plt_address_for_local): New virtual function. + (Target::do_plt_section_for_global): Remove. + (Target::do_plt_section_for_local): Remove. + (Target::register_global_plt_entry): Add Symbol_table and Layout + parameters. + * output.cc (Output_data_got::Got_entry::write): Use + plt_address_for_global and plt_address_for_local. + * layout.cc (Layout::add_target_dynamic_tags): Use size and + address of output section. + * i386.cc (class Output_data_plt_i386): Add irelative_rel_, + got_irelative_, and irelative_count_ fields. Update + declarations. + (Output_data_plt_i386::has_irelative_section): New function. + (Output_data_plt_i386::entry_count): Add irelative_count_. + (Output_data_plt_i386::set_final_data_size): Likewise. + (class Target_i386): Add got_irelative_ and rel_irelative_ + fields. Update declarations. + (Target_i386::Target_i386): Initialize new fields. + (Target_i386::do_plt_address_for_global): New function replacing + do_plt_section_for_global. + (Target_i386::do_plt_address_for_local): New function replacing + do_plt_section_for_local. + (Target_i386::got_section): Create got_irelative_. + (Target_i386::rel_irelative_section): New function. + (Output_data_plt_i386::Output_data_plt_i386): Initialize new + fields. Don't define __rel_iplt_{start,end}. + (Output_data_plt_i386::add_entry): Add symtab and layout + parameters. Change all callers. Use different PLT and GOT for + IFUNC symbols. + (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and + layout parameters. Change all callers. Use different PLT and + GOT. + (Output_data_plt_i386::rel_tls_desc): Fix formatting. + (Output_data_plt_i386::rel_irelative): New function. + (Output_data_plt_i386::address_for_global): New function. + (Output_data_plt_i386::address_for_local): New function. + (Output_data_plt_i386::do_write): Write out IRELATIVE area. Use + IRELATIVE GOT when changing IFUNC GOT entries. + (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE + reloc. + (Target_i386::do_finalize_sections): Create the __rel_iplt symbols + if we didn't create an IRELATIVE GOT. + (Target_i386::Relocate::relocate): Use plt_address_for_global and + plt_address_for_local. + (Target_i386::do_dynsym_value): Use plt_address_for_global. + * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_, + got_irelative_, and irelative_count_ fields. Update + declarations. + (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]: + Initialize new fields. Remove symtab parameter. Change all + callers. + (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add + irelative_count_. + (Output_data_plt_x86_64::has_irelative_section): New function. + (Output_data_plt_x86_64::entry_count): Add irelative_count_. + (class Target_x86_64): Add got_irelative_ and rel_irelative_ + fields. Update declarations. + (Target_x86_64::Target_x86_64): Initialize new fields. + (Target_x86_64::do_plt_address_for_global): New function replacing + do_plt_section_for_global. + (Target_x86_64::do_plt_address_for_local): New function replacing + do_plt_section_for_local. + (Target_x86_64::got_section): Create got_irelative_. + (Target_x86_64::rela_irelative_section): New function. + (Output_data_plt_x86_64::init): Remove symtab parameter. Change + all callers. Don't create __rel_iplt_{start,end}. + (Output_data_plt_x86_64::add_entry): Add symtab and layout + parameters. Change all callers. Use different PLT and GOT for + IFUNC symbols. + (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and + layout parameters. Change all callers. Use different PLT and + GOT. + (Output_data_plt_x86_64::add_relocation): Add symtab and layout + parameters. Change all callers. Use different PLT and GOT for + IFUNC symbols. + (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting. + (Output_data_plt_x86_64::rela_irelative): New function. + (Output_data_plt_x86_64::address_for_global): New function. + (Output_data_plt_x86_64::address_for_local): New function. + (Output_data_plt_x86_64::set_final_data_size): Likewise. + (Output_data_plt_x86_64::do_write): Write out IRELATIVE area. + (Target_x86_64::init_got_plt_for_update): Create got_irelative_. + (Target_x86_64::register_global_plt_entry): Add symtab and layout + parameters. + (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE + reloc. + (Target_x86_64::do_finalize_sections): Create the __rela_iplt + symbols if we didn't create an IRELATIVE GOT. + (Target_x86_64::Relocate::relocate): Use plt_address_for_global and + plt_address_for_local. + (Target_x86_64::do_dynsym_value): Use plt_address_for_global. + * testsuite/ifuncvar1.c: New test file. + * testsuite/ifuncvar2.c: New test file. + * testsuite/ifuncvar3.c: New test file. + * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar. + (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets. + (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables. + (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables. + * testsuite/Makefile.in: Rebuild. + +2011-07-07 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target. + (two_file_test_1_ndebug.o): Likewise. + (two_file_test_1b_ndebug.o): Likewise. + (two_file_test_2_ndebug.o): Likewise. + (two_file_test_main_ndebug.o): Likewise. + (incremental_test_2): Link with no-debug versions. + +2011-07-06 Cary Coutant <ccoutant@google.com> + + * incremental.cc + (Output_section_incremental_inputs::write_info_blocks): Check for + hidden and internal symbols. + +2011-07-06 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_incremental_binary::do_file_has_changed): + Check disposition for startup file. + (Incremental_inputs::report_command_line): Ignore + --incremental-startup-unchanged option. + * options.cc (General_options::parse_incremental_startup_unchanged): + New function. + (General_options::General_options): Initialize new data member. + * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP. + (General_options): Add --incremental-startup-unchanged option. + (General_options::incremental_startup_disposition): New function. + (General_options::incremental_startup_disposition_): New data member. + +2011-07-06 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_incremental_binary::setup_readers): Pass + input file index to Script_info ctor. + (Sized_incremental_binary::do_file_has_changed): Find the + command-line argument for files named in scripts. + * incremental.h (Script_info::Script_info): New ctor + with input file index. + (Script_info::input_file_index): New function. + (Script_info::input_file_index_): New data member. + (Incremental_binary::get_library): Add const. + (Incremental_binary::get_script_info): Add const. + * readsyms.cc (Read_member::is_runnable): Check for this_blocker_. + * testsuite/Makefile.am (incremental_test_5): New test case. + (incremental_test_6): New test case. + * testsuite/Makefile.in: Regenerate. + +2011-07-06 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_incremental_binary::do_check_inputs): Add + debug output when command lines differ. + +2011-07-06 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Incremental_inputs::report_command_line): Ignore + --incremental-patch option. + * layout.cc (Free_list::allocate): Extend allocation beyond original + end if enabled. + (Layout::make_output_section): Mark sections that should get + patch space. + * options.cc (parse_percent): New function. + * options.h (parse_percent): New function. + (DEFINE_percent): New macro. + (General_options): Add --incremental-patch option. + * output.cc (Output_section::Output_section): Initialize new data + members. + (Output_section::add_input_section): Print section name when out + of patch space. + (Output_section::add_output_section_data): Likewise. + (Output_section::set_final_data_size): Add patch space when + doing --incremental-full. + (Output_section::do_reset_address_and_file_offset): Remove patch + space. + (Output_segment::set_section_list_addresses): Print debug output + only if --incremental-update. + * output.h (Output_section::set_is_patch_space_allowed): New function. + (Output_section::is_patch_space_allowed_): New data member. + (Output_section::patch_space_): New data member. + * parameters.cc (Parameters::incremental_full): New function. + * parameters.h (Parameters::incremental_full): New function + * testsuite/Makefile.am (incremental_test_2): Add test for + --incremental-patch option. + * testsuite/Makefile.in: Regenerate. + * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments. + (t18): Remove function body. + +2011-07-05 Doug Kwan <dougkwan@google.com> + + PR gold/12771 + * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and + Arm_Address type for relocation result. + (Arm_relocate_functions::abs16): Use unaligned access. Also fix + overflow check. + (Arm_relocate_functions::abs32): Use unaligned access. + (Arm_relocate_functions::rel32): Ditto. + (Arm_relocate_functions::prel31): Ditto. + (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto. + * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned + static data relocations. + * testsuite/Makefile.in: Regnerate. + * testsuite/arm_unaligned_reloc.{s,sh}: New files. + +2011-07-05 Ian Lance Taylor <iant@google.com> + + PR gold/12392 + * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt + symbols if necessary. + * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise. + +2011-07-05 Ian Lance Taylor <iant@google.com> + + PR gold/12952 + * resolve.cc (Symbol::override_base_with_special): Simply override + version with special symbol version, ignoring previous version. + +2011-07-05 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj_file::include_section_group): Add + information to comment about signature location. + +2011-07-02 Ian Lance Taylor <iant@google.com> + + PR gold/12957 + * options.h (class General_options): Add -f and -F. + * options.cc (General_options::finalize): Fatal error if -f/-F + are used without -shared. + * layout.cc (Layout::finish_dynamic_section): Implement -f/-F. + +2011-07-02 Ian Lance Taylor <iant@google.com> + + * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors. + +2011-07-01 Ian Lance Taylor <iant@google.com> + + PR gold/12525 + PR gold/12952 + * resolve.cc (Symbol::override_base_with_special): Don't override + the version if the overriding symbol has a different name. + * dynobj.cc (Versions::add_def): Add dynpool parameter. Change + all callers. If we give an error about an undefined version, + define the base version if necessary. + * dynobj.h (class Versions): Update declaration. + * testsuite/weak_alias_test_5.cc: New file. + * testsuite/weak_alias_test.script: New file. + * testsuite/weak_alias_test_main.cc: Check that versioned_symbol + and versioned_alias have the right value, and call t2. + * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add + weak_alias_test_5.so. + (weak_alias_test_LDADD): Likewise. + (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets. + * testsuite/Makefile.in: Rebuild. + +2011-07-01 Ian Lance Taylor <iant@google.com> + + PR gold/12525 + * options.h (class General_options): Support -z notext. + * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use + -Wl,-z,notext. + (two_file_shared_nonpic.so): Likewise. + (two_file_shared_mixed.so): Likewise. + (two_file_shared_mixed_1.so): Likewise. + (weak_undef_lib_nonpic.so): Likewise. + (alt/weak_undef_lib_nonpic.so): Likewise. + (tls_test_shared_nonpic.so): Likewise. + * testsuite/Makefile.in: Rebuild. + +2011-07-01 Ian Lance Taylor <iant@google.com> + + PR gold/12525 + * configure.ac: Test whether static linking works, setting + the automake conditional HAVE_STATIC. + * testsuite/Makefile.am: Disable tests using -static if + HAVE_STATIC is not true. + * configure, testsuite/Makefile.in: Rebuild. + +2011-07-01 Ian Lance Taylor <iant@google.com> + + PR gold/12525 + * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel. + Assert if we see DW_EH_PE_indirect. + * target.h (Target::ehframe_datarel_base): New function. + (Target::do_ehframe_datarel_base): New target function. + * i386.cc (Target_i386::do_ehframe_datarel_base): New function. + * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New + function. + +2011-07-01 Ian Lance Taylor <iant@google.com> + + PR gold/12571 + * options.h (class General_options): Add + --ld-generated-unwind-info. + * ehframe.cc (Fde::write): Add address parameter. Change all + callers. If associated with PLT, fill in address and size. + (Cie::set_output_offset): Only add merge mapping if there is an + object. + (Cie::write): Add address parameter. Change all callers. + (Eh_frame::add_ehframe_for_plt): New function. + * ehframe.h (class Fde): Update declarations. Move shndx_ and + input_offset_ fields into union u_, with new plt field. + (Fde::Fde): Adjust for new union field. + (Fde::Fde) [Output_data version]: New constructor. + (Fde::add_mapping): Only add merge mapping if there is an object. + (class Cie): Update declarations. + (class Eh_frame): Declare add_ehframe_for_plt. + * layout.cc (Layout::layout_eh_frame): Break out code into + make_eh_frame_section, and call it. + (Layout::make_eh_frame_section): New function. + (Layout::add_eh_frame_for_plt): New function. + * layout.h (class Layout): Update declarations. + * merge.cc (Merge_map::add_mapping): Add assertion. + * i386.cc: Include "dwarf.h". + (class Output_data_plt_i386): Make first_plt_entry, + dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const. Add + plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie, + and plt_eh_frame_fde. + (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte + boundary. Call add_eh_frame_for_plt if appropriate. + * x86_64.cc: Include "dwarf.h". + (class Output_data_plt_x86_64): Align to 16-byte boundary. Make + first_plt_entry, plt_entry and tlsdesc_plt_entry const. Add + plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie, + and plt_eh_frame_fde. + (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if + appropriate. + +2011-06-29 Ian Lance Taylor <iant@google.com> + + PR gold/12629 + * object.cc (Sized_relobj_file::layout_section): Change shdr + parameter to be const. + (Sized_relobj_file::layout_eh_frame_section): New function, broken + out of do_layout. + (Sized_relobj_file::do_layout): Defer .eh_frame sections if + appropriate. Call layout_eh_frame_section. + (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame + sections. + * object.h (class Sized_relobj_file): Update declarations. + +2011-06-29 Ian Lance Taylor <iant@google.com> + + PR gold/12652 + * script.cc (Token::integer_value): Accept trailing M/m/K/k + modifier. + (Lex::gather_token): Accept trailing M/m/K/k for integers. + +2011-06-29 Ian Lance Taylor <iant@google.com> + + PR gold/12675 + * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for + SHT_X86_64_UNWIND. + * layout.cc (Layout::layout_eh_frame): Likewise. + +2011-06-29 Ian Lance Taylor <iant@google.com> + + PR gold/12695 + * layout.cc (Layout::symtab_section_shndx): New function. + * layout.h (class Layout): Declare symtab_section_shndx. + * output.cc (Output_section::write_header): Call it. + +2011-06-29 Ian Lance Taylor <iant@google.com> + + PR gold/12818 + * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined + symbols which are not used in a relocation. + +2011-06-28 Ian Lance Taylor <iant@google.com> + + PR gold/12898 + * layout.cc (Layout::segment_precedes): Don't crash if a linker + script create indistinguishable segments. + (Layout::set_segment_offsets): Use stable_sort when sorting + segments. Pass this to Compare_segments constructor. + * layout.h (class Layout): Make segment_precedes non-static. + (class Compare_segments): Change from struct to class. Add + layout_ field. Add constructor. + * script-sections.cc + (Script_sections::attach_sections_using_phdrs_clause): Rename + local orphan to is_orphan. Don't report failure to put empty + section in segment. On attachment failure, report name of + section, and attach to first PT_LOAD segment. + +2011-06-28 Ian Lance Taylor <iant@google.com> + + PR gold/12934 + * target-select.cc (Target_selector::Target_selector): Add + emulation parameter. Change all callers. + (select_target_by_bfd_name): Rename from select_target_by_name. + Change all callers. + (select_target_by_emulation): New function. + (supported_emulation_names): New function. + * target-select.h (class Target_selector): Add emulation_ field. + Update declarations. + (Target_selector::recognize_by_bfd_name): Rename from + recognize_by_name. Change all callers. + (Target_selector::supported_bfd_names): Rename from + supported_names. Change all callers. + (Target_selector::recognize_by_emulation): New function. + (Target_selector::supported_emulations): New function. + (Target_selector::emulation): New function. + (Target_selector::do_recognize_by_bfd_name): Rename from + do_recognize_by_name. Change all callers. + (Target_selector::do_supported_bfd_names): Rename from + do_supported_names. Change all callers. + (Target_selector::do_recognize_by_emulation): New function. + (Target_selector::do_supported_emulations): New function. + (select_target_by_bfd_name): Change name in declaration. + (select_target_by_emulation): Declare. + (supported_emulation_names): Declare. + * parameters.cc (parameters_force_valid_target): Try to find + target based on emulation from -m option. + * options.h (class General_options): Change doc string for -m. + * options.cc (help): Print emulations. + (General_options::parse_V): Likewise. + * freebsd.h (Target_selector_freebsd::Target_selector_freebsd): + Add emulation parameter. Change all callers. + +2011-06-28 Ian Lance Taylor <iant@google.com> + + * target.h (class Target): Add osabi_ field. + (Target::osabi): New function. + (Target::set_osabi): New function. + (Target::Target): Initialize osabi_. + (Target::do_adjust_elf_header): Make pure virtual. + (Sized_target::do_adjust_elf_header): Declare. + * target.cc (Sized_target::do_adjust_elf_header): New function. + (class Sized_target): Instantiate all versions. + * freebsd.h (class Target_freebsd): Remove. + (Target_selector_freebsd::do_recognize): Call set_osabi on + Target. + (Target_selector_freebsd::do_recognize_by_name): Likewise. + (Target_selector_freebsd::set_osabi): Remove. + * i386.cc (class Target_i386): Inherit from Sized_target rather + than Target_freebsd. + * x86_64.cc (class Target_x86_64): Likewise. + +2011-06-28 Ian Lance Taylor <iant@google.com> + + * target.h (Target::can_check_for_function_pointers): Rewrite. + Make non-virtual. + (Target::can_icf_inline_merge_sections): Likewise. + (Target::section_may_have_icf_unsafe_poineters): Likewise. + (Target::Target_info): Add can_icf_inline_merge_sections field. + (Target::do_can_check_for_function_pointers): New virtual + function. + (Target::do_section_may_have_icf_unsafe_pointers): Likewise. + * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename + from can_check_for_function_pointers, move in file. + (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from + section_may_have_icf_unsafe_poineters, move in file. + (Target_arm::arm_info): Initialize can_icf_inline_merge_sections. + * i386.cc (Target_i386::do_can_check_for_function_pointers): + Rename from can_check_for_function_pointers, move in file. + (Target_i386::can_icf_inline_merge_sections): Remove. + (Target_i386::i386_info): Initialize + can_icf_inline_merge_sections. + * powerpc.cc (Target_powerpc::powerpc_info) [all versions]: + Initialize can_icf_inline_merge_sections. + * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise. + * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers): + Rename from can_check_for_function_pointers, move in file. + (Target_x86_64::can_icf_inline_merge_sections): Remove. + (Target_x86_64::x86_64_info): Initialize + can_icf_inline_merge_sections. + * testsuite/testfile.cc (Target_test::test_target_info): + Likewise. + * icf.cc (get_section_contents): Correct formatting. + +2011-06-27 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol::versioned_name): New function. + (Symbol_table::add_to_final_symtab): Use versioned_name when + appropriate. + (Symbol_table::sized_write_symbol): Likewise. + * symtab.h (class Symbol): Declare versioned_name. + * stringpool.h (class Stringpool_template): Add variant of add + which takes a std::basic_string. + * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12. + (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables. + (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables. + (ver_test_12.o): New target. + * testsuite/Makefile.in: Rebuild. + +2011-06-27 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relocate_functions::thm_jump8, + Arm_relocate_functions::thm_jump11): Use a wider signed + type to compute offset. + * testsuite/Makefile.am: Add new tests arm_thm_jump11 and + arm_thm_jump8. + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_branch_in_range.sh: Check test results of + arm_thm_jump11 and arm_thm_jump8. + * testsuite/arm_thm_jump11.s: New test source file. + * testsuite/arm_thm_jump11.t: New linker script. + * testsuite/arm_thm_jump8.s: New test source file. + * testsuite/arm_thm_jump8.t: New linker script. + +2011-06-24 Ian Lance Taylor <iant@google.com> + + * layout.cc: Include "object.h". + (ctors_sections_in_init_array): New static variable. + (Layout::is_ctors_in_init_array): New function. + (Layout::layout): Add entry to ctors_sections_in_init_array if + appropriate. + * layout.h (class Layout): Declare is_ctors_in_init_array. + * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if + is_ctors_reverse_view is set. + (Sized_relobj_file::write_sections): Add layout parameter. Change + all callers. Set is_ctors_reverse_view field of View_size. + (Sized_relobj_file::reverse_words): New function. + * object.h (Sized_relobj_file::View_size): Add + is_ctors_reverse_view field. + (class Sized_relobj_file): Update declarations. + * testsuite/initpri3.c: New test. + * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and + initpri3b. + (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables. + (initpri3a_LDFLAGS, initpri3a_LDADD): New variables. + (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables. + (initpri3b_LDFLAGS, initpri3b_LDADD): New variables. + * testsuite/Makefile.in: Rebuild. + +2011-06-24 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am: Add in-tree assembler to gcctestdir. + (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o) + (debug_msg_cdebug.err): New targets. + * testsuite/Makefile.in: Regenerate. + * testsuite/debug_msg.sh: Check output of link with compressed debug. + Fix checks for link with shared library. + +2011-06-24 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_output_section::append_text_sections_to_list): Do not + skip empty text sections. + * testsuite/arm_exidx_test.s: Test handling of an empty text section. + +2011-06-22 Ian Lance Taylor <iant@google.com> + + PR gold/12910 + * options.h (class General_options): Add --ctors-in-init-array. + * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and + friends as SHT_PROGBITS for merging sections. + (Layout::layout): Remove special handling of .init_array and + friends. Don't sort if doing relocatable link. Sort for .ctors + and .dtors if ctors_in_init_array. + (Layout::make_output_section): Force correct section types for + .init_array and friends. Don't sort if doing relocatable link, + Don't sort .ctors and .dtors if ctors_in_init_array. + (Layout::section_name_mapping): Remove .ctors. and .dtorso. + (Layout::output_section_name): Add relobj parameter. Change all + callers. Handle .ctors. and .dtors. in code rather than table. + Handle .ctors and .dtors if ctors_in_init_array. + (Layout::match_file_name): New function, moved from output.cc. + * layout.h (class Layout): Update declarations. + * output.cc: Include "layout.h". + (Input_section_sort_entry::get_priority): New function. + (Input_section_sort_entry::match_file_name): Just call + Layout::match_file_name. + (Output_section::Input_section_sort_init_fini_compare::operator()): + Handle .ctors and .dtors. Sort by explicit priority rather than + by name. + * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional. + * testsuite/initpri2.c: New test. + * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY. + (check_PROGRAMS): Add initpri2. + (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables. + (initpri2_LDFLAGS, initpri2_LDADD): New variables. + * configure, testsuite/Makefile.in: Rebuild. + +2011-06-19 Ian Lance Taylor <iant@google.com> + + PR gold/12880 + * layout.cc (Layout::attach_allocated_section_to_segment): Add a + .interp section to a PT_INTERP segment even if we have seen a + --dynamic-linker option. Don't do it if we have seen a PHDRS + clause in a linker script. + (Layout::finalize): Don't create a .interp section if we've + already create a PT_INTERP segment. + (Layout::create_interp): Always call choose_output_section (revert + patch of 2011-06-17). Don't create PT_INTERP segment. + * script-sections.cc + (Script_sections::create_note_and_tls_segments): Add a .interp + section to a PT_INTERP segment even if we have seen a + --dynamic-linker option. + +2011-06-18 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL + merely because a non-PT_LOAD segment has a dynamic reloc. + +2011-06-18 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::finish_dynamic_section): Don't create + DT_FLAGS entry if not needed. + +2011-06-18 Ian Lance Taylor <iant@google.com> + + PR gold/12745 + * layout.cc (Layout::layout_eh_frame): Correct handling of + writable .eh_frame section. + +2011-06-17 Ian Lance Taylor <iant@google.com> + + PR gold/12893 + * resolve.cc (Symbol_table::resolve): Don't give an error if a + symbol is redefined with the exact same object and value. + +2011-06-17 Ian Lance Taylor <iant@google.com> + + PR gold/12880 + * layout.h (class Layout): Add interp_segment_ field. + * layout.cc (Layout::Layout): Initialize interp_segment_ field. + (Layout::attach_allocated_section_to_segment): If making shared + library, put .interp section in PT_INTERP segment. + (Layout::finalize): Also call create_interp if -dynamic-linker + option was used. + (Layout::create_interp): Assert that there is no PT_INTERP + segment. If not using a SECTIONS clause, use make_output_section. + (Layout::make_output_segment): Set interp_segment_ if PT_INTERP. + * script-sections.cc + (Script_sections::create_note_and_tls_segments): If making shared + library, put .interp section in PT_INTERP segment. + +2011-06-17 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj_file::do_layout): Keep warning sections + when making a shared library. + +2011-06-17 Ian Lance Taylor <iant@google.com> + + * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym + parameter. Change all callers. Don't issue warning about PC32 + against locally defined symbol. + +2011-06-16 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Warnings::issue_warning): Don't warn if relocation + occurs in same object. + +2011-06-14 Alan Modra <amodra@gmail.com> + + * po/POTFILES.in: Regenerate. + +2011-06-09 Ian Lance Taylor <iant@google.com> + + * script-sections.cc + (Orphan_output_section::set_section_addresses): For a relocatable + link set address to 0. + +2011-06-09 Cary Coutant <ccoutant@google.com> + + PR gold/12804 + * gold.cc (queue_initial_tasks): Warn if --incremental is + used with --compress-debug-sections. + * object.cc (Sized_relobj_file::do_layout): Report + uncompressed size of compressed input sections. + +2011-06-08 Cary Coutant <ccoutant@google.com> + + PR gold/12804 + * testsuite/two_file_test_2_v1.cc: Change initialization of + v2 to keep it in .data. + +2011-06-07 Cary Coutant <ccoutant@google.com> + + * common.cc (Symbol_table::do_allocate_commons_list): Call + gold_fallback. + * errors.cc (Errors::fatal): Adjust call to gold_exit. + (Errors::fallback): New function. + (gold_fallback): New function. + * errors.h (Errors::fallback): New function. + * gold.cc (gold_exit): Change status parameter to enum; adjust + all callers. + (queue_initial_tasks): Call gold_fallback. + * gold.h: Include cstdlib. + (Exit_status): New enum type. + (gold_exit): Change status parameter to enum. + (gold_fallback): New function. + * layout.cc (Layout::set_section_offsets): Call gold_fallback. + (Layout::create_symtab_sections): Likewise. + (Layout::create_shdrs): Likewise. + * main.cc (main): Adjust call to gold_exit. + * output.cc (Output_data_got::add_got_entry): Call gold_fallback. + (Output_data_got::add_got_entry_pair): Likewise. + (Output_section::add_input_section): Likewise. + (Output_section::add_output_section_data): Likewise. + (Output_segment::set_section_list_addresses): Likewise. + * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise. + +2011-06-07 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::set_segment_offsets): Don't adjust layout + for incremental links. + * output.cc (Output_segment::set_section_list_addresses): Remove + FIXME and test for TLS or BSS. + +2011-06-07 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am: Add incremental_copy_test, + incremental_common_test_1. + * testsuite/Makefile.in: Regenerate. + * testsuite/common_test_1_v1.c: New source file. + * testsuite/common_test_1_v2.c: New source file. + * testsuite/copy_test_v1.cc: New source file. + +2011-06-07 Cary Coutant <ccoutant@google.com> + + * common.cc (Symbol_table::do_allocate_commons_list): For incremental + update, allocate common from bss section's free list. + * incremental-dump.cc (dump_incremental_inputs): Print flag for + linker-defined symbols. + * incremental.cc (Sized_incremental_binary::do_process_got_plt): + Skip GOT and PLT entries that are no longer referenced. + (Output_section_incremental_inputs::write_info_blocks): Mark + linker-defined symbols. + (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols. + * output.cc (Output_section::allocate): New function. + * output.h (Output_section::allocate): New function. + * resolve.cc (Symbol_table::report_resolve_problem): Add case for + linker-defined symbols. + (Symbol::override_base_with_special): Copy is_predefined_ flag. + * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag. + (Symbol::init_base_output_data): Likewise. + (Symbol::init_base_output_segment): Likewise. + (Symbol::init_base_constant): Likewise. + (Sized_symbol::init_output_data): Likewise. + (Sized_symbol::init_output_segment): Likewise. + (Sized_symbol::init_constant): Likewise. + (Symbol_table::do_define_in_output_data): Likewise. + (Symbol_table::do_define_in_output_segment): Likewise. + (Symbol_table::do_define_as_constant): Likewise. + * symtab.h (Symbol::is_predefined): New function. + (Symbol::init_base_output_data): Add is_predefined parameter. + (Symbol::init_base_output_segment): Likewise. + (Symbol::init_base_constant): Likewise. + (Symbol::is_predefined_): New data member. + (Sized_symbol::init_output_data): Add is_predefined parameter. + (Sized_symbol::init_output_segment): Likewise. + (Sized_symbol::init_constant): Likewise. + (enum Symbol_table::Defined): Add INCREMENTAL_BASE. + +2011-06-07 Cary Coutant <ccoutant@google.com> + + * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc + instead of emit_copy_reloc. + (Copy_relocs::emit_copy_reloc): Refactor. + (Copy_relocs::make_copy_reloc): New function. + (Copy_relocs::add_copy_reloc): Remove. + * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public + section. + (Copy_relocs::make_copy_reloc): New function. + (Copy_relocs::add_copy_reloc): Remove. + * gold.cc (queue_middle_tasks): Emit old COPY relocations from + unchanged input files. + * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag. + * incremental.cc (Sized_incremental_binary::do_reserve_layout): + Reserve BSS space for COPY relocations. + (Sized_incremental_binary::do_emit_copy_relocs): New function. + (Output_section_incremental_inputs::write_info_blocks): Record + whether a symbol is copied from a shared object. + (Sized_incr_dynobj::do_add_symbols): Record COPY relocations. + * incremental.h (enum Incremental_shlib_symbol_flags): New type. + (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant. + (Incremental_input_entry_reader::get_output_symbol_index): Add + is_copy parameter. + (Incremental_binary::emit_copy_relocs): New function. + (Incremental_binary::do_emit_copy_relocs): New function. + (Sized_incremental_binary::Sized_incremental_binary): Initialize + new data member. + (Sized_incremental_binary::add_copy_reloc): New function. + (Sized_incremental_binary::do_emit_copy_relocs): New function. + (Sized_incremental_binary::Copy_reloc): New struct. + (Sized_incremental_binary::Copy_relocs): New typedef. + (Sized_incremental_binary::copy_relocs_): New data member. + * symtab.cc (Symbol_table::add_from_incrobj): Change return type. + * symtab.h (Symbol_table::add_from_incrobj): Change return type. + * target.h (Sized_target::emit_copy_reloc): New function. + * x86_64.cc (Target_x86_64::emit_copy_reloc): New function. + +2011-06-02 Cary Coutant <ccoutant@google.com> + + PR gold/12163 + * archive.cc (Archive::Archive): Initialize new data member. + (Archive::include_all_members): Return if archive has already been + included. + * archive.h (Archive::include_all_members_): New data member. + +2011-06-02 Nick Clifton <nickc@redhat.com> + + * dynobj.h: Fix spelling mistake in comment. + * output.cc: Likewise. + +2011-05-31 Doug Kwan <dougkwan@google.com> + Asier Llano + + PR gold/12826 + * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of + arch value that equals to elfcpp::MAX_TAG_CPU_ARCH. + * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up. Remove + redundant arm_exidx_test.so. + * testsuite/Makefile.in: Regenerate. + (check_SCRIPTS): Add pr12826.sh + (check_DATA): Add pr12826.stdout + (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules. + * testsuite/pr12826.sh: New file. + * testsuite/pr12826_1.s: Ditto. + * testsuite/pr12826_1.s: Ditto. + +2011-05-30 Ian Lance Taylor <iant@google.com> + + * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc + sections. + +2011-05-29 Ian Lance Taylor <iant@google.com> + + PR gold/12804 + * testsuite/Makefile.am: Use different file name for two_file_test + temporary file for each incremental test. + * testsuite/Makefile.in: Rebuild. + +2011-05-29 Ian Lance Taylor <iant@google.com> + + * binary.cc (Binary_to_elf::sized_convert): Don't crash if the + binary input file is empty. + +2011-05-27 Ian Lance Taylor <iant@google.com> + + * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,. + (ver_test_9.so): Likewise. + * testsuite/Makefile.in: Rebuild. + +2011-05-26 Cary Coutant <ccoutant@google.com> + + * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups. + * incremental.cc (Incremental_inputs::report_input_section): Fix + comment, indentation. + (Incremental_inputs::report_comdat_group): New function. + (Output_section_incremental_inputs::set_final_data_size): Adjust size + of data for incremental input file entry. + (Output_section_incremental_inputs::write_info_blocks): Write COMDAT + group count, COMDAT group signatures. + (Sized_incr_relobj::do_layout): Record kept COMDAT group info from + an unchanged input file. + * incremental.h (Incremental_object_entry::Incremental_object_entry): + Initialize new data member. + (Incremental_object_entry::add_comdat_group): New function. + (Incremental_object_entry::get_comdat_group_count): New function. + (Incremental_object_entry::get_comdat_signature_key): New function. + (Incremental_object_entry::groups_): New data member. + (Incremental_inputs::report_comdat_group): New function. + (Incremental_input_entry_reader::get_symbol_offset): Adjust size of + data for incremental input file entry. + (Incremental_input_entry_reader::get_comdat_group_count): New function. + (Incremental_input_entry_reader::get_input_section): Adjust size of + data for incremental input file entry. + (Incremental_input_entry_reader::get_global_symbol_reader): Likewise. + (Incremental_input_entry_reader::get_comdat_group_signature): New + function. + * object.cc (Sized_relobj::include_section_group): Report kept + COMDAT groups for incremental links. + +2011-05-24 David Meyer <pdox@google.com> + + * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters + with name parameter. Add found_name parameter. + * fileread.cc (Input_file::find_file): Adjust code accordingly. + * dirsearch.h (class Dirsearch): Update declaration. + +2011-05-24 Ian Lance Taylor <iant@google.com> + + * archive.cc (Library_base::should_include_member): Pull in object + from archive if it defines the entry symbol. + * parameters.cc (Parameters::entry): New function. + * parameters.h (class Parameters): Declare entry. + * output.h (class Output_file_header): Remove entry_ field. + * output.cc (Output_file_header::Output_file_header): Remove entry + parameter. Change all callers. + (Output_file_header::entry): Use parameters->entry. + * gold.cc (queue_middle_tasks): Likewise. + * plugin.cc (Plugin_hook::run): Likewise. + +2011-05-24 Cary Coutant <ccoutant@google.com> + + * gold.cc (queue_initial_tasks): Pass incremental base filename + to Output_file::open_base_file; don't print error message. + * incremental-dump.cc (main): Adjust call to + Output_file::open_for_modification. + * incremental-dump.cc (main): Likewise. + * incremental.cc (Incremental_inputs::report_command_line): + Ignore --incremental-base option when comparing command lines. + Ignore parameter when given as separate argument. + * options.h (class General_options): Add --incremental-base. + * output.cc (Output_file::Output_file): + (Output_file::open_base_file): Add base_name and writable parameters; + read base file into new file; print error message here. + (Output_file::map_no_anonymous): Add writable parameter; adjust all + callers. + * output.h (Output_file::open_for_modification): Rename to... + (Output_file::open_base_file): ...this; add base_name and + writable parameters; adjust all callers. + (Output_file::map_no_anonymous): Add writable parameter; adjust all + callers. + * testsuite/Makefile.am (incremental_test_4): Test + --incremental-base. + * testsuite/Makefile.in: Regenerate. + +2011-05-24 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3, + incremental_test_4. + * testsuite/Makefile.in: Regenerate. + * testsuite/two_file_test_1_v1.cc: New test source file. + * testsuite/two_file_test_1b_v1.cc: New test source file. + * testsuite/two_file_test_2_v1.cc: New test source file. + +2011-05-24 Cary Coutant <ccoutant@google.com> + + * dynobj.h (Dynobj::do_dynobj): New function. + * incremental-dump.cc (dump_incremental_inputs): Print as_needed + flag and soname for shared objects. + * incremental.cc (Incremental_inputs::report_object): Make + either Incremental_object_entry or Incremental_dynobj_entry; add + soname to string table. + (Incremental_inputs::report_input_section): Add assertion. + (Output_section_incremental_inputs::set_final_data_size): Adjust + type of input file entry for shared libraries; adjust size of + shared library info entry. + (Output_section_incremental_inputs::write_input_files): Write + as_needed flag for shared libraries. + (Output_section_incremental_inputs::write_info_blocks): Adjust type + of input file entry for shared libraries; write soname. + (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and + soname from incremental info. + * incremental.h (enum Incremental_input_flags): Add + INCREMENTAL_INPUT_AS_NEEDED. + (Incremental_input_entry::Incremental_input_entry): Initialize new + data member. + (Incremental_input_entry::set_as_needed): New function. + (Incremental_input_entry::as_needed): New function. + (Incremental_input_entry::do_dynobj_entry): New function. + (Incremental_input_entry::as_needed_): New data member. + (Incremental_object_entry::Incremental_object_entry): Don't check + for shared library. + (Incremental_object_entry::do_type): Likewise. + (class Incremental_dynobj_entry): New class. + (Incremental_input_entry_reader::as_needed): New function. + (Incremental_input_entry_reader::get_soname): New function. + (Incremental_input_entry_reader::get_global_symbol_count): Rewrite. + (Incremental_input_entry_reader::get_output_symbol_index): Adjust + size of shared library info entry. + * layout.cc (Layout::finish_dynamic_section): Don't test for + incremental link when adding DT_NEEDED entries. + * object.h (Object::Object): Initialize new data member. + (Object::dynobj): New function. + (Object::set_as_needed): New function. + (Object::as_needed): New function. + (Object::do_dynobj): New function. + (Object::as_needed_): New data member. + +2011-05-24 Cary Coutant <ccoutant@google.com> + + * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc + info; adjust display of GOT entries. + * incremental.cc (Sized_incremental_binary::setup_readers): Allocate + vector of input objects; remove file_status_. + (Sized_incremental_binary::do_reserve_layout): Remove file_status_. + (Sized_incremental_binary::do_process_got_plt): Adjust calls to + got_plt reader; call target hooks to reserve GOT entries. + (Output_section_incremental_inputs::set_final_data_size): Adjust size + of input file info header and GOT info entry. + (Output_section_incremental_inputs::write_info_blocks): Write dynamic + relocation info. + (Got_plt_view_info::got_descriptor): Remove. + (Got_plt_view_info::sym_index): New data member. + (Got_plt_view_info::input_index): New data member. + (Local_got_offset_visitor::visit): Write input file index. + (Global_got_offset_visitor::visit): Write 0 for input file index. + (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor + with sym_index and input_index. + (Output_section_incremental_inputs::write_got_plt): Adjust size of + incremental info GOT entry; replace got_descriptor with input_index. + (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record + map from input file index to object. + (Sized_relobj_incr::do_layout): Replace direct data member reference + with accessor function. + (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class. + * incremental.h (Incremental_input_entry_reader::get_symbol_offset): + Adjust size of input file info header. + (Incremental_input_entry_reader::get_first_dyn_reloc): New function. + (Incremental_input_entry_reader::get_dyn_reloc_count): New function. + (Incremental_input_entry_reader::get_input_section): Adjust size of + input file info header. + (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size + of incremental info GOT entry. + (Incremental_got_plt_reader::get_got_desc): Remove. + (Incremental_got_plt_reader::get_got_symndx): New function. + (Incremental_got_plt_reader::get_got_input_index): New function. + (Sized_incremental_binary::Sized_incremental_binary): Remove + file_status_; add input_objects_. + (Sized_incremental_binary::~Sized_incremental_binary): Remove. + (Sized_incremental_binary::set_file_is_unchanged): Remove. + (Sized_incremental_binary::file_is_unchanged): Remove. + (Sized_incremental_binary::set_input_object): New function. + (Sized_incremental_binary::input_object): New function. + (Sized_incremental_binary::file_status_): Remove. + (Sized_incremental_binary::input_objects_): New data member. + (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all + references. + (Sized_relobj_incr::invalid_address): Move to base class. + (Sized_relobj_incr::is_output_section_offset_invalid): Move to base + class. + (Sized_relobj_incr::do_output_section_offset): Likewise. + (Sized_relobj_incr::do_for_all_local_got_entries): Likewise. + (Sized_relobj_incr::section_offsets_): Likewise. + * object.cc (Sized_relobj::do_for_all_local_got_entries): New + function. + (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_. + (Sized_relobj_file::layout_section): Replace refs to section_offsets_ + with accessor function. + (Sized_relobj_file::do_layout): Likewise. + (Sized_relobj_file::do_layout_deferred_sections): Likewise. + (Sized_relobj_file::do_for_all_local_got_entries): Move to base class. + (Sized_relobj_file::compute_final_local_value): Replace refs to + section_offsets_ with accessor function. + (Sized_relobj_file::do_finalize_local_symbols): Likewise. + * object.h (Relobj::Relobj): Initialize new data members. + (Relobj::add_dyn_reloc): New function. + (Relobj::first_dyn_reloc): New function. + (Relobj::dyn_reloc_count): New function. + (Relobj::first_dyn_reloc_): New data member. + (Relobj::dyn_reloc_count_): New data member. + (Sized_relobj): Rename Sized_relobj_base to this; adjust all + references. + (Sized_relobj::Address): New typedef. + (Sized_relobj::invalid_address): Move here from child class. + (Sized_relobj::Sized_relobj): Initialize new data members. + (Sized_relobj::sized_relobj): New function. + (Sized_relobj::is_output_section_offset_invalid): Move here from + child class. + (Sized_relobj::get_output_section_offset): Likewise. + (Sized_relobj::local_has_got_offset): Likewise. + (Sized_relobj::local_got_offset): Likewise. + (Sized_relobj::set_local_got_offset): Likewise. + (Sized_relobj::do_for_all_local_got_entries): Likewise. + (Sized_relobj::clear_got_offsets): New function. + (Sized_relobj::section_offsets): Move here from child class. + (Sized_relobj::do_output_section_offset): Likewise. + (Sized_relobj::do_set_section_offset): Likewise. + (Sized_relobj::Local_got_offsets): Likewise. + (Sized_relobj::local_got_offsets_): Likewise. + (Sized_relobj::section_offsets_): Likewise. + (Sized_relobj_file): Rename Sized_relobj to this; adjust all + references. + (Sized_relobj_file::is_output_section_offset_invalid): Move to base + class. + (Sized_relobj_file::sized_relobj): New function + (Sized_relobj_file::local_has_got_offset): Move to base class. + (Sized_relobj_file::local_got_offset): Likewise. + (Sized_relobj_file::set_local_got_offset): Likewise. + (Sized_relobj_file::get_output_section_offset): Likewise. + (Sized_relobj_file::do_for_all_local_got_entries): Likewise. + (Sized_relobj_file::do_output_section_offset): Likewise. + (Sized_relobj_file::do_set_section_offset): Likewise. + (Sized_relobj_file::Local_got_offsets): Likewise. + (Sized_relobj_file::local_got_offsets_): Likewise. + (Sized_relobj_file::section_offsets_): Likewise. + * output.cc (Output_reloc::Output_reloc): Adjust type of relobj + (all constructors). + (set_needs_dynsym_index): Convert relobj to derived class pointer. + (Output_reloc::get_symbol_index): Likewise. + (Output_reloc::local_section_offset): Likewise. + (Output_reloc::get_address): Likewise. + (Output_reloc::symbol_value): Likewise. + (Output_data_got::reserve_slot): Move to class definition. + (Output_data_got::reserve_local): New function. + (Output_data_got::reserve_slot_for_global): Remove. + (Output_data_got::reserve_global): New function. + * output.h (Output_reloc::Output_reloc): Adjust type of relobj + (all constructors, two instantiations). + (Output_reloc::get_relobj): New function (two instantiations). + (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type. + (Output_data_reloc_base::add): Convert relobj to derived class pointer. + (Output_data_reloc::add_global): Adjust type of relobj. + (Output_data_reloc::add_global_relative): Likewise. + (Output_data_reloc::add_symbolless_global_addend): Likewise. + (Output_data_reloc::add_local): Likewise. + (Output_data_reloc::add_local_relative): Likewise. + (Output_data_reloc::add_symbolless_local_addend): Likewise. + (Output_data_reloc::add_local_section): Likewise. + (Output_data_reloc::add_output_section): Likewise. + (Output_data_reloc::add_absolute): Likewise. + (Output_data_reloc::add_target_specific): Likewise. + (Output_data_got::reserve_slot): Move definition here. + (Output_data_got::reserve_local): New function. + (Output_data_got::reserve_global): New function. + * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to + section_offsets_ with accessor function. + (Sized_relobj_file::write_sections): Likewise. + (Sized_relobj_file::do_relocate_sections): Likewise. + * target.h (Sized_target::reserve_local_got_entry): New function. + (Sized_target::reserve_global_got_entry): New function. + * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function. + (Target_x86_64::reserve_global_got_entry): New function. + (Target_x86_64::init_got_plt_for_update): Create rela_dyn section. + +2011-05-23 Cary Coutant <ccoutant@google.com> + + * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries. + * incremental-dump.cc (dump_incremental_inputs): Mask high-order + bit when checking got_type. + * incremental.cc (Sized_incremental_binary::setup_readers): + Store symbol table and string table locations; initialize bit vector + of file status flags. + (Sized_incremental_binary::do_reserve_layout): Set bit flag for + unchanged files. + (Sized_incremental_binary::do_process_got_plt): New function. + (Sized_incremental_binary::get_symtab_view): Use stored locations. + (Output_section_incremental_inputs::set_final_data_size): Record + file index for each input file. + (Output_section_incremental_inputs::write_got_plt): Store file index + instead of input entry offset for each GOT entry. + * incremental.h + (Incremental_input_entry::Incremental_input_entry): Initialize new + data member. + (Incremental_input_entry::set_offset): Store file index. + (Incremental_input_entry::get_file_index): New function. + (Incremental_input_entry::file_index_): New data member. + (Incremental_binary::process_got_plt): New function. + (Incremental_binary::do_process_got_plt): New function. + (Sized_incremental_binary::Sized_incremental_binary): Initialize new + data members. + (Sized_incremental_binary::~Sized_incremental_binary): New destructor. + (Sized_incremental_binary::set_file_is_unchanged): New function. + (Sized_incremental_binary::file_is_unchanged): New function. + (Sized_incremental_binary::do_process_got_plt): New function. + (Sized_incremental_binary::file_status_): New data member. + (Sized_incremental_binary::main_symtab_loc_): New data member. + (Sized_incremental_binary::main_strtab_loc_): New data member. + * output.cc (Output_data_got::Got_entry::write): Add case + RESERVED_CODE. + (Output_data_got::add_global): Call add_got_entry. + (Output_data_got::add_global_plt): Likewise. + (Output_data_got::add_global_with_rel): Likewise. + (Output_data_got::add_global_with_rela): Likewise. + (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair. + (Output_data_got::add_global_pair_with_rela): Likewise. + (Output_data_got::add_local): Call add_got_entry. + (Output_data_got::add_local_plt): Likewise. + (Output_data_got::add_local_with_rel): Likewise. + (Output_data_got::add_local_with_rela): Likewise. + (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair. + (Output_data_got::add_local_pair_with_rela): Likewise. + (Output_data_got::reserve_slot): New function. + (Output_data_got::reserve_slot_for_global): New function. + (Output_data_got::add_got_entry): New function. + (Output_data_got::add_got_entry_pair): New function. + (Output_section::add_output_section_data): Edit FIXME. + * output.h + (Output_section_data_build::Output_section_data_build): New + constructor with size parameter. + (Output_data_space::Output_data_space): Likewise. + (Output_data_got::Output_data_got): Initialize new data member; new + constructor with size parameter. + (Output_data_got::add_constant): Call add_got_entry. + (Output_data_got::reserve_slot): New function. + (Output_data_got::reserve_slot_for_global): New function. + (class Output_data_got::Got_entry): Add RESERVED_CODE. + (Output_data_got::add_got_entry): New function. + (Output_data_got::add_got_entry_pair): New function. + (Output_data_got::free_list_): New data member. + * target.h (Sized_target::init_got_plt_for_update): New function. + (Sized_target::register_global_plt_entry): New function. + * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64): + Initialize new data member; call init; add constructor with PLT count. + (Output_data_plt_x86_64::init): New function. + (Output_data_plt_x86_64::add_relocation): New function. + (Output_data_plt_x86_64::reserve_slot): New function. + (Output_data_plt_x86_64::free_list_): New data member. + (Target_x86_64::init_got_plt_for_update): New function. + (Target_x86_64::register_global_plt_entry): New function. + (Output_data_plt_x86_64::add_entry): Allocate from free list for + incremental updates. + (Output_data_plt_x86_64::add_relocation): New function. + * testsuite/object_unittest.cc (Object_test): Set default options. + +2011-05-16 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Make -i a synonym for -r. + +2011-05-16 Ian Lance Taylor <iant@google.com> + + * testsuite/tls_test_main.cc: Use semaphores instead of mutexes. + +2011-05-10 Cary Coutant <ccoutant@google.com> + + * object.cc (Sized_relobj::do_count_local_symbols): Check for + strip_all (-s). + +2011-05-06 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::layout): If the output section flags change, + update the ordering. + +2011-04-25 Cary Coutant <ccoutant@google.com> + + * incremental-dump.cc (dump_incremental_inputs): Print local + symbol info for each input file. + * incremental.cc + (Output_section_incremental_inputs::set_final_data_size): Add local + symbol info to input file entries in incremental info. + (Output_section_incremental_inputs::write_info_blocks): Likewise. + (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members. + (Sized_incr_relobj::do_add_symbols): Cosmetic change. + (Sized_incr_relobj::do_count_local_symbols): Replace stub with + implementation. + (Sized_incr_relobj::do_finalize_local_symbols): Likewise. + (Sized_incr_relobj::do_relocate): Write the local symbols. + (Sized_incr_dynobj::do_add_symbols): Cosmetic change. + * incremental.h (Incremental_inputs_reader::get_symbol_offset): + Adjust size of input file header. + (Incremental_inputs_reader::get_local_symbol_offset): New function. + (Incremental_inputs_reader::get_local_symbol_count): New function. + (Incremental_inputs_reader::get_input_section): Adjust size of input + file header. + (Incremental_inputs_reader::get_global_symbol_reader): Likewise. + (Sized_incr_relobj::This): New typedef. + (Sized_incr_relobj::sym_size): New const data member. + (Sized_incr_relobj::Local_symbol): New struct. + (Sized_incr_relobj::do_output_local_symbol_count): New function. + (Sized_incr_relobj::do_local_symbol_offset): New function. + (Sized_incr_relobj::local_symbol_count_): New data member. + (Sized_incr_relobj::output_local_dynsym_count_): New data member. + (Sized_incr_relobj::local_symbol_index_): New data member. + (Sized_incr_relobj::local_symbol_offset_): New data member. + (Sized_incr_relobj::local_dynsym_offset_): New data member. + (Sized_incr_relobj::local_symbols_): New data member. + * object.h (Relobj::output_local_symbol_count): New function. + (Relobj::local_symbol_offset): New function. + (Relobj::do_output_local_symbol_count): New function. + (Relobj::do_local_symbol_offset): New function. + (Sized_relobj::do_output_local_symbol_count): New function. + (Sized_relobj::do_local_symbol_offset): New function. + +2011-04-22 Vladimir Simonov <sv@sw.ru> + + * descriptors.cc (set_close_on_exec): New function. + (Descriptors::open): Use set_close_on_exec. + * output.cc (S_ISLNK): Define if not defined. + +2011-04-22 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Sized_incremental_binary::setup_readers): Allocate + global symbol map. + (Sized_incremental_binary::do_apply_incremental_relocs): New function. + (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map. + (Sized_incr_relobj::do_relocate): Remap section indices in incremental + relocations. + (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map. + (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME. + (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise. + * incremental.h + (Incremental_inputs_reader::global_symbol_reader_at_offset): New + function. + (Incremental_binary::apply_incremental_relocs): New function. + (Incremental_binary::do_apply_incremental_relocs): New function. + (Sized_incremental_binary::Sized_incremental_binary): Initialize new + data member. + (Sized_incremental_binary::add_global_symbol): New function. + (Sized_incremental_binary::global_symbol): New function. + (Sized_incremental_binary::do_apply_incremental_relocs): New function. + (Sized_incremental_binary::symbol_map_): New data member. + * layout.cc (Layout_task_runner::run): Apply incremental relocations. + * target.h (Sized_target::apply_relocation): New function. + * target-reloc.h (apply_relocation): New function. + * x86_64.cc (Target_x86_64::apply_relocation): New function. + +2011-04-22 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER + flag of a SHT_ARM_EXIDX section. + * testsuite/Makefile.am (arm_exidx_test): New test rules. + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_exidx_test.s: New file. + * testsuite/arm_exidx_test.sh: Same. + +2011-04-20 Cary Coutant <ccoutant@google.com> + + PR gold/12689 + * archive.h (Incremental_archive_entry::Archive_member): + Initialize arg_serial_ (second constructor). + +2011-04-17 Ian Lance Taylor <iant@google.com> + + * object.cc (Relocate_info::location): Simplify location string. + * errors.cc (Errors::error_at_location): Don't print program + name. + (Errors::warning_at_location): Likewise. + (Errors::undefined_symbol): Likewise. + * testsuite/debug_msg.sh: Update accordingly. + +2011-04-14 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::symtab_section_offset): New function. + * layout.h (Layout::symtab_section_offset): New function. + * reloc.cc (Sized_relobj::do_relocate): Call it. + +2011-04-12 Ian Lance Taylor <iant@google.com> + + * configure.ac: Check for sys/mman.h and mmap. Check for mremap + with MREMAP_MAYMOVE. + * output.h (class Output_file): Add map_is_allocated_ field. + * output.cc: Only #include <sys/mman.h> if it exists. If mmap is + not available, provide stubs. If mremap is not available, #define + it to gold_mremap. + (MREMAP_MAYMOVE): Define if not defined. + (Output_file::Output_file): Initialize map_is_allocated_. + (Output_file::resize): Check map_is_allocated_. + (Output_file::map_anonymous): If mmap fails, use malloc. + (Output_file::unmap): Don't do anything for an anonymous map. + * fileread.cc: Only #include <sys/mman.h> if it exists. If mmap + is not available, provide stubs. + (File_read::View::~View): Use free rather than delete[]. + (File_read::make_view): Use malloc rather than new[]. If mmap + fails, use malloc. + (File_read::find_or_make_view): Use malloc rather than new[]. + * gold.h: Remove HAVE_REMAP code. + * mremap.c: #include <errno.h>. Only #include <sys/mman.h> if it + exists. Rename mremap to gold_mremap. If mmap is not available + don't do anything. + * configure, config.in: Rebuild. + +2011-04-11 Ian Lance Taylor <iant@google.com> + + * incremental.cc (Sized_incr_relobj::do_add_symbols): Always + initialize local variable v. + +2011-04-11 Cary Coutant <ccoutant@google.com> + + * archive.cc (Archive::include_member): Adjust call to + report_object. + (Add_archive_symbols::run): Track argument serial numbers. + (Lib_group::include_member): Likewise. + (Add_lib_group_symbols::run): Adjust call to report_archive_begin. + * archive.h (Incremental_archive_entry::Archive_member): + Initialize arg_serial_. + (Archive_member::arg_serial_): New data member. + * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL. + (Sized_dynobj::do_add_symbols): Track symbols when doing an + incremental link. + (Sized_dynobj::do_for_all_local_got_entries): New function. + * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New + function. + * fileread.cc (get_mtime): New function. + * fileread.h (get_mtime): New function. + * gold.cc (queue_initial_tasks): Check for incremental update. + (process_incremental_input): New function. + (queue_middle_tasks): Don't force valid target for incremental + update. + * incremental-dump.cc (find_input_containing_global): Adjust + size of symbol info entry. + (dump_incremental_inputs): Dump argument serial number and + in_system_directory flag; bias shndx by 1; print symbol names + when dumping per-file symbol lists; use new symbol info readers. + * incremental.cc + (Output_section_incremental_inputs:update_data_size): New function. + (Sized_incremental_binary::setup_readers): Setup input readers + for each input file; build maps for files added from libraries + and scripts. + (Sized_incremental_binary::check_input_args): New function. + (Sized_incremental_binary::do_check_inputs): Build map of argument + serial numbers to input arguments. + (Sized_incremental_binary::do_file_has_changed): Rename + do_file_is_unchanged to this; compare file modification times. + (Sized_incremental_binary::do_init_layout): New function. + (Sized_incremental_binary::do_reserve_layout): New function. + (Sized_incremental_binary::do_get_input_reader): Remove. + (Sized_incremental_binary::get_symtab_view): New function. + (Incremental_checker::can_incrementally_link_output_file): Remove. + (Incremental_inputs::report_command_line): Exclude --debug options. + (Incremental_inputs::report_archive_begin): Add parameter; track + argument serial numbers; don't put input file entry for archive + before archive members. + (Incremental_inputs::report_archive_end): Put input file entry + for archive after archive members. + (Incremental_inputs::report_object): Add parameter; track argument + serial numbers and in_system_directory flag. + (Incremental_inputs::report_script): Add parameter; track argument + serial numbers. + (Output_section_incremental_inputs::set_final_data_size): Adjust + size of symbol info entry; check for forwarding symbols. + (Output_section_incremental_inputs::write_input_files): Write + in_system_directory flag and argument serial number. + (Output_section_incremental_inputs::write_info_blocks): Map section + indices between incremental info and original input file; store + input section index for each symbol. + (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor; + change operator() to visit(). + (class Global_got_offset_visitor): Likewise. + (class Global_symbol_visitor_got_plt): + (Output_section_incremental_inputs::write_got_plt): Use new visitor + classes. + (Sized_incr_relobj::Sized_incr_relobj): New constructor. + (Sized_incr_relobj::do_read_symbols): New function. + (Sized_incr_relobj::do_layout): New function. + (Sized_incr_relobj::do_layout_deferred_sections): New function. + (Sized_incr_relobj::do_add_symbols): New function. + (Sized_incr_relobj::do_should_include_member): New function. + (Sized_incr_relobj::do_for_all_global_symbols): New function. + (Sized_incr_relobj::do_for_all_local_got_entries): New function. + (Sized_incr_relobj::do_section_size): New function. + (Sized_incr_relobj::do_section_name): New function. + (Sized_incr_relobj::do_section_contents): New function. + (Sized_incr_relobj::do_section_flags): New function. + (Sized_incr_relobj::do_section_entsize): New function. + (Sized_incr_relobj::do_section_address): New function. + (Sized_incr_relobj::do_section_type): New function. + (Sized_incr_relobj::do_section_link): New function. + (Sized_incr_relobj::do_section_info): New function. + (Sized_incr_relobj::do_section_addralign): New function. + (Sized_incr_relobj::do_initialize_xindex): New function. + (Sized_incr_relobj::do_get_global_symbol_counts): New function. + (Sized_incr_relobj::do_read_relocs): New function. + (Sized_incr_relobj::do_gc_process_relocs): New function. + (Sized_incr_relobj::do_scan_relocs): New function. + (Sized_incr_relobj::do_count_local_symbols): New function. + (Sized_incr_relobj::do_finalize_local_symbols): New function. + (Sized_incr_relobj::do_set_local_dynsym_indexes): New function. + (Sized_incr_relobj::do_set_local_dynsym_offset): New function. + (Sized_incr_relobj::do_relocate): New function. + (Sized_incr_relobj::do_set_section_offset): New function. + (Sized_incr_dynobj::Sized_incr_dynobj): New function. + (Sized_incr_dynobj::do_read_symbols): New function. + (Sized_incr_dynobj::do_layout): New function. + (Sized_incr_dynobj::do_add_symbols): New function. + (Sized_incr_dynobj::do_should_include_member): New function. + (Sized_incr_dynobj::do_for_all_global_symbols): New function. + (Sized_incr_dynobj::do_for_all_local_got_entries): New function. + (Sized_incr_dynobj::do_section_size): New function. + (Sized_incr_dynobj::do_section_name): New function. + (Sized_incr_dynobj::do_section_contents): New function. + (Sized_incr_dynobj::do_section_flags): New function. + (Sized_incr_dynobj::do_section_entsize): New function. + (Sized_incr_dynobj::do_section_address): New function. + (Sized_incr_dynobj::do_section_type): New function. + (Sized_incr_dynobj::do_section_link): New function. + (Sized_incr_dynobj::do_section_info): New function. + (Sized_incr_dynobj::do_section_addralign): New function. + (Sized_incr_dynobj::do_initialize_xindex): New function. + (Sized_incr_dynobj::do_get_global_symbol_counts): New function. + (make_sized_incremental_object): New function. + (Incremental_library::copy_unused_symbols): New function. + (Incremental_library::do_for_all_unused_symbols): New function. + * incremental.h (enum Incremental_input_flags): New type. + (class Incremental_checker): Remove. + (Incremental_input_entry::Incremental_input_entry): Add argument + serial number. + (Incremental_input_entry::arg_serial): New function. + (Incremental_input_entry::set_is_in_system_directory): New function. + (Incremental_input_entry::is_in_system_directory): New function. + (Incremental_input_entry::arg_serial_): New data member. + (Incremental_input_entry::is_in_system_directory_): New data member. + (class Script_info): Move here from script.h. + (Script_info::Script_info): Add filename parameter. + (Script_info::filename): New function. + (Script_info::filename_): New data member. + (Incremental_script_entry::Incremental_script_entry): Add argument + serial number. + (Incremental_object_entry::Incremental_object_entry): Likewise. + (Incremental_object_entry::add_input_section): Build list of input + sections with map to original shndx. + (Incremental_object_entry::get_input_section_index): New function. + (Incremental_object_entry::shndx_): New data member. + (Incremental_object_entry::name_key_): Rename; adjust all refs. + (Incremental_object_entry::sh_size_): Rename; adjust all refs. + (Incremental_archive_entry::Incremental_archive_entry): Add argument + serial number. + (Incremental_inputs::report_archive_begin): Likewise. + (Incremental_inputs::report_object): Likewise. + (Incremental_inputs::report_script): Likewise. + (class Incremental_global_symbol_reader): New class. + (Incremental_input_entry_reader::Incremental_input_entry_reader): Read + and store flags and input file type. + (Incremental_input_entry_reader::arg_serial): New function. + (Incremental_input_entry_reader::type): Extract type from flags. + (Incremental_input_entry_reader::is_in_system_directory): New function. + (Incremental_input_entry_reader::get_input_section_count): Call + accessor function for type. + (Incremental_input_entry_reader::get_symbol_offset): Call accessor + function for type; adjust size of global symbol entry. + (Incremental_input_entry_reader::get_global_symbol_count): Call + accessor function for type. + (Incremental_input_entry_reader::get_object_count): Likewise. + (Incremental_input_entry_reader::get_object_offset): Likewise. + (Incremental_input_entry_reader::get_member_count): Likewise. + (Incremental_input_entry_reader::get_unused_symbol_count): Likewise. + (Incremental_input_entry_reader::get_member_offset): Likewise. + (Incremental_input_entry_reader::get_unused_symbol): Likewise. + (Incremental_input_entry_reader::Global_symbol_info): Remove. + (Incremental_input_entry_reader::get_global_symbol_info): Remove. + (Incremental_input_entry_reader::get_global_symbol_reader): New + function. + (Incremental_input_entry_reader::get_output_symbol_index): New + function. + (Incremental_input_entry_reader::type_): Remove. + (Incremental_input_entry_reader::flags_): New data member. + (Incremental_inputs_reader::input_file_offset): New function. + (Incremental_inputs_reader::input_file_index): New function. + (Incremental_inputs_reader::input_file): Call input_file_offset. + (Incremental_inputs_reader::input_file_at_offset): New function. + (Incremental_relocs_reader::get_r_type): Reformat. + (Incremental_relocs_reader::get_r_shndx): Reformat. + (Incremental_relocs_reader::get_r_offset): Reformat. + (Incremental_relocs_reader::data): New function. + (Incremental_binary::Incremental_binary): Initialize new data members. + (Incremental_binary::check_inputs): Add cmdline parameter. + (Incremental_binary::file_is_unchanged): Remove. + (Input_reader::arg_serial): New function. + (Input_reader::get_unused_symbol_count): New function. + (Input_reader::get_unused_symbol): New function. + (Input_reader::do_arg_serial): New function. + (Input_reader::do_get_unused_symbol_count): New function. + (Input_reader::do_get_unused_symbol): New function. + (Incremental_binary::input_file_count): New function. + (Incremental_binary::get_input_reader): Change signature to use + index instead of filename. + (Incremental_binary::file_has_changed): New function. + (Incremental_binary::get_input_argument): New function. + (Incremental_binary::get_library): New function. + (Incremental_binary::get_script_info): New function. + (Incremental_binary::init_layout): New function. + (Incremental_binary::reserve_layout): New function. + (Incremental_binary::output_file): New function. + (Incremental_binary::do_check_inputs): New function. + (Incremental_binary::do_file_is_unchanged): Remove. + (Incremental_binary::do_file_has_changed): New function. + (Incremental_binary::do_init_layout): New function. + (Incremental_binary::do_reserve_layout): New function. + (Incremental_binary::do_input_file_count): New function. + (Incremental_binary::do_get_input_reader): Change signature. + (Incremental_binary::input_args_map_): New data member. + (Incremental_binary::library_map_): New data member. + (Incremental_binary::script_map_): New data member. + (Sized_incremental_binary::Sized_incremental_binary): Initialize + new data members. + (Sized_incremental_binary::output_section): New function. + (Sized_incremental_binary::inputs_reader): Add const. + (Sized_incremental_binary::symtab_reader): Add const. + (Sized_incremental_binary::relocs_reader): Add const. + (Sized_incremental_binary::got_plt_reader): Add const. + (Sized_incremental_binary::get_symtab_view): New function. + (Sized_incremental_binary::Inputs_reader): New typedef. + (Sized_incremental_binary::Input_entry_reader): New typedef. + (Sized_incremental_binary::do_check_inputs): Add cmdline parameter. + (Sized_incremental_binary::do_file_is_unchanged): Remove. + (Sized_incremental_binary::do_file_has_changed): New function. + (Sized_incremental_binary::do_init_layout): New function. + (Sized_incremental_binary::do_reserve_layout): New function. + (Sized_input_reader::Inputs_reader): Remove. + (Sized_input_reader::Input_entry_reader): Remove. + (Sized_input_reader::do_arg_serial): New function. + (Sized_input_reader::do_get_unused_symbol_count): New function. + (Sized_input_reader::do_get_unused_symbol): New function. + (Sized_incremental_binary::do_input_file_count): New function. + (Sized_incremental_binary::do_get_input_reader): Change signature; + use index instead of filename. + (Sized_incremental_binary::section_map_): New data member. + (Sized_incremental_binary::input_entry_readers_): New data member. + (class Sized_incr_relobj): New class. + (class Sized_incr_dynobj): New class. + (make_sized_incremental_object): New function. + (class Incremental_library): New class. + * layout.cc (Free_list::num_lists): New static data member. + (Free_list::num_nodes): New static data member. + (Free_list::num_removes): New static data member. + (Free_list::num_remove_visits): New static data member. + (Free_list::num_allocates): New static data member. + (Free_list::num_allocate_visits): New static data member. + (Free_list::init): New function. + (Free_list::remove): New function. + (Free_list::allocate): New function. + (Free_list::dump): New function. + (Free_list::print_stats): New function. + (Layout_task_runner::run): Resize output file for incremental updates. + (Layout::Layout): Initialize new data members. + (Layout::set_incremental_base): New function. + (Layout::init_fixed_output_section): New function. + (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for + incremental updates. + (Layout::create_gold_note): Do not create gold note section for + incremental updates. + (Layout::set_segment_offsets): Do not recalculate RELRO alignment + for incremental updates. + (Layout::set_section_offsets): For incremental updates, allocate space + from free list. + (Layout::create_symtab_sections): Layout with offsets relative to + start of section; for incremental updates, allocate space from free + list. + (Layout::create_shdrs): For incremental updates, allocate space from + free list. + (Layout::finish_dynamic_section): For incremental updates, do not + check --as-needed (fixed in subsequent patch). + * layout.h (class Free_list): New class. + (Layout::set_incremental_base): New function. + (Layout::incremental_base): New function. + (Layout::init_fixed_output_section): New function. + (Layout::allocate): New function. + (Layout::incremental_base_): New data member. + (Layout::free_list_): New data member. + * main.cc (main): Print Free_list statistics. + * object.cc (Relobj::finalize_incremental_relocs): Add + clear_counts parameter; clear counts only when clear_counts is set. + (Sized_relobj::Sized_relobj): Initialize new base class. + (Sized_relobj::do_layout): Don't report special sections. + (Sized_relobj::do_for_all_local_got_entries): New function. + (Sized_relobj::write_local_symbols): Add symtab_off parameter; add + symtab_off to all symbol table offsets. + (Sized_relobj::do_get_global_symbol_counts): Add typename keyword. + * object.h (class Got_offset_list): Move to top of file. + (Object::Object): Allow case where input_file == NULL. + (Object::~Object): Likewise. + (Object::input_file): Assert that input_file != NULL. + (Object::lock): Allow case where input_file == NULL. + (Object::unlock): Likewise. + (Object::is_locked): Likewise. + (Object::token): Likewise. + (Object::release): Likewise. + (Object::is_incremental): New function. + (Object::get_mtime): New function. + (Object::for_all_local_got_entries): New function. + (Object::clear_view_cache_marks): Allow case where input_file == NULL. + (Object::set_is_in_system_directory): New function. + (Object::is_in_system_directory): New function. + (Object::do_is_incremental): New function. + (Object::do_get_mtime): New function. + (Object::do_for_all_local_got_entries): New function. + (Object::is_in_system_directory_): New data member. + (Relobj::finalize_incremental_relocs): Add clear_counts parameter. + (class Sized_relobj_base): New class. + (class Sized_relobj): Derive from Sized_relobj_base. + (class Sized_relobj::Symbols): Redeclare from base class. + (class Sized_relobj::local_got_offset_list): Remove. + (class Sized_relobj::Output_sections): Redeclare from base class. + (class Sized_relobj::do_for_all_local_got_entries): New function. + (class Sized_relobj::write_local_symbols): Add offset parameter. + (class Sized_relobj::local_symbol_offset_): Update comment. + (class Sized_relobj::local_dynsym_offset_): Update comment. + * options.cc (Input_arguments::add_file): Remove const. + * options.h (Input_file_argument::Input_file_argument): + Initialize arg_serial_ (all constructors). + (Input_file_argument::set_arg_serial): New function. + (Input_file_argument::arg_serial): New function. + (Input_file_argument::arg_serial_): New data member. + (Input_arguments::Input_arguments): Initialize file_count_. + (Input_arguments::add_file): Remove const. + (Input_arguments::number_of_input_files): New function. + (Input_arguments::file_count_): New data member. + (Command_line::number_of_input_files): Call + Input_arguments::number_of_input_files. + * output.cc (Output_segment_headers::Output_segment_headers): + Set current size. + (Output_section::Input_section::current_data_size): New function. + (Output_section::Output_section): Initialize new data members. + (Output_section::add_input_section): Don't do merge sections for + an incremental link; allocate space from free list for an + incremental update. + (Output_section::add_output_section_data): Allocate space from + free list for an incremental update. + (Output_section::update_data_size): New function. + (Output_section::set_fixed_layout): New function. + (Output_section::reserve): New function. + (Output_segment::set_section_addresses): Remove const. + (Output_segment::set_section_list_addresses): Remove const; allocate + space from free list for an incremental update. + (Output_segment::set_offset): Adjust size of RELRO segment for an + incremental update. + * output.h (Output_data::current_data_size): Move here from + child classes. + (Output_data::pre_finalize_data_size): New function. + (Output_data::update_data_size): New function. + (Output_section_headers::update_data_size): new function. + (Output_section_data_build::current_data_size): Move to Output_data. + (Output_data_strtab::update_data_size): New function. + (Output_section::current_data_size): Move to Output_data. + (Output_section::set_fixed_layout): New function. + (Output_section::has_fixed_layout): New function. + (Output_section::reserve): New function. + (Output_section::update_data_size): New function. + (Output_section::has_fixed_layout_): New data member. + (Output_section::free_list_): New data member. + (Output_segment::set_section_addresses): Remove const. + (Output_segment::set_section_list_addresses): Remove const. + * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries): + New function. + * plugin.h (Sized_pluginobj::do_for_all_local_got_entries): + New function. + * readsyms.cc (Read_symbols::do_read_symbols): Add library + parameter when calling Add_symbols constructor; store argument + serial number for members of a lib group. + (Add_symbols::locks): Allow case where token == NULL. + (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib. + (Read_member::~Read_member): New function. + (Read_member::is_runnable): New function. + (Read_member::locks): New function. + (Read_member::run): New function. + (Check_script::~Check_script): New function. + (Check_script::is_runnable): New function. + (Check_script::locks): New function. + (Check_script::run): New function. + (Check_library::~Check_library): New function. + (Check_library::is_runnable): New function. + (Check_library::locks): New function. + (Check_library::run): New function. + * readsyms.h (Add_symbols::Add_symbols): Add library parameter. + (Add_symbols::library_): New data member. + (class Read_member): New class. + (class Check_script): New class. + (class Check_library): New class. + * reloc.cc (Read_relocs::is_runnable): Allow case where + token == NULL. + (Read_relocs::locks): Likewise. + (Scan_relocs::locks): Likewise. + (Relocate_task::locks): Likewise. + (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs + to clear counters. + (Sized_relobj::incremental_relocs_scan): Fix comment. + (Sized_relobj::do_relocate): Pass output file offset to + write_local_symbols. + (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size + from class declaration. + * script.cc (read_input_script): Allocate Script_info; pass + argument serial number to report_script. + * script.h (class Script_info): Move to incremental.h. + * symtab.cc (Symbol_table::add_from_incrobj): New function. + * symtab.h (Symbol_table::add_from_incrobj): New function. + (Symbol_table::set_file_offset): New function. + +2011-04-05 Cary Coutant <ccoutant@google.com> + + * incremental-dump.cc (dump_incremental_inputs): Change signature + to take a Sized_incremental_binary; change caller. Use readers + in Sized_incremental_binary. + * incremental.cc + (Sized_incremental_binary::find_incremental_inputs_sections): + Rename do_find_incremental_inputs_sections to this. + (Sized_incremental_binary::setup_readers): New function. + (Sized_incremental_binary::do_check_inputs): Check + has_incremental_info_ flag; move setup code to setup_readers; + use input readers. + (Sized_incremental_binary::do_file_is_unchanged): New function. + (Sized_incremental_binary::do_get_input_reader): New function. + * incremental.h (class Incremental_binary): Move to end of file. + (Incremental_binary::file_is_unchanged): New function. + (Incremental_binary::do_file_is_unchanged): New function. + (Incremental_binary::Input_reader): New class. + (Incremental_binary::get_input_reader): New function. + (class Sized_incremental_binary): Move to end of file. + (Sized_incremental_binary::Sized_incremental_binary): Setup the + input section reader classes. + (Sized_incremental_binary::has_incremental_info): New function. + (Sized_incremental_binary::inputs_reader): New function. + (Sized_incremental_binary::symtab_reader): New function. + (Sized_incremental_binary::relocs_reader): New function. + (Sized_incremental_binary::got_plt_reader): New function. + (Sized_incremental_binary::do_file_is_unchanged): New function. + (Sized_incremental_binary::Sized_input_reader): New class. + (Sized_incremental_binary::get_input_reader): New function. + (Sized_incremental_binary::find_incremental_inputs_sections): + Rename do_find_incremental_inputs_sections to this. + (Sized_incremental_binary::setup_readers): New function. + (Sized_incremental_binary::has_incremental_info_): New data member. + (Sized_incremental_binary::inputs_reader_): New data member. + (Sized_incremental_binary::symtab_reader_): New data member. + (Sized_incremental_binary::relocs_reader_): New data member. + (Sized_incremental_binary::got_plt_reader_): New data member. + (Sized_incremental_binary::current_input_file_): New data member. + +2011-04-05 Paul Pluzhnikov <ppluzhnikov@google.com> + + PR gold/12640 + * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds + violation. + +2011-03-30 Cary Coutant <ccoutant@google.com> + + * archive.cc (Archive::include_member): Adjust call to report_object. + (Add_archive_symbols::run): Add script_info to call to + report_archive_begin. + (Lib_group::include_member): Adjust call to report_object. + (Add_lib_group_symbols::run): Adjust call to report_object. + * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary + blocks. Add object count for script input files. + * incremental.cc (Incremental_inputs::report_archive_begin): Add + script_info parameter; change all callers. + (Incremental_inputs::report_object): Add script_info parameter; + change all callers. + (Incremental_inputs::report_script): Store backpointer to + incremental info entry. + (Output_section_incremental_inputs::set_final_data_size): Record + additional information for scripts. + (Output_section_incremental_inputs::write_info_blocks): Likewise. + * incremental.h (Incremental_script_entry::add_object): New function. + (Incremental_script_entry::get_object_count): New function. + (Incremental_script_entry::get_object): New function. + (Incremental_script_entry::objects_): New data member; adjust + constructor. + (Incremental_inputs::report_archive_begin): Add script_info parameter. + (Incremental_inputs::report_object): Add script_info parameter. + (Incremental_inputs_reader::get_object_count): New function. + (Incremental_inputs_reader::get_object_offset): New function. + * options.cc (Input_arguments::add_file): Return reference to + new input argument. + * options.h (Input_argument::set_script_info): New function. + (Input_argument::script_info): New function. + (Input_argument::script_info_): New data member; adjust all + constructors. + (Input_file_group::add_file): Return reference to new input argument. + (Input_file_lib::add_file): Likewise. + (Input_arguments::add_file): Likewise. + * readsyms.cc (Add_symbols::run): Adjust call to report_object. + * script.cc (Parser_closure::Parser_closure): Add script_info + parameter; adjust all callers. + (Parser_closure::script_info): New function. + (Parser_closure::script_info_): New data member. + (read_input_script): Report scripts earlier to incremental info. + (script_add_file): Set script_info in Input_argument. + (script_add_library): Likewise. + * script.h (Script_options::Script_info): Rewrite class. + +2011-03-29 Cary Coutant <ccoutant@google.com> + + * archive.cc (Library_base::should_include_member): Move + method here from class Archive. + (Archive::Archive): Initialize base class. + (Archive::should_include_member): Move to base class. + (Archive::do_for_all_unused_symbols): New function. + (Add_archive_symbols::run): Remove redundant access to + incremental_inputs. + (Lib_group::Lib_group): Initialize base class. + (Lib_group::do_filename): New function. + (Lib_group::include_member): Pass pointer to Lib_group to + report_object. + (Lib_group::do_for_all_unused_symbols): New function. + (Add_lib_group_symbols::run): Report archive information for + incremental links. + * archive.h (class Library_base): New base class. + (class Archive): Derive from Library_base. + (Archive::filename): Move to base class. + (Archive::set_incremental_info): Likewise. + (Archive::incremental_info): Likewise. + (Archive::Should_include): Likewise. + (Archive::should_include_member): Likewise. + (Archive::Armap_entry): Remove. + (Archive::Unused_symbol_iterator): Remove. + (Archive::unused_symbols_begin): Remove. + (Archive::unused_symbols_end): Remove. + (Archive::do_filename): New function. + (Archive::do_get_mtime): New function. + (Archive::do_for_all_unused_symbols): New function. + (Archive::task_): Move to base class. + (Archive::incremental_info_): Likewise. + (class Lib_group): Derive from Library_base. + (Lib_group::do_filename): New function. + (Lib_group::do_get_mtime): New function. + (Lib_group::do_for_all_unused_symbols): New function. + (Lib_group::task_): Move to base class. + * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New + function. + * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New + function. + * incremental.cc (Incremental_inputs::report_archive_begin): + Use Library_base; call library's get_mtime; add incremental inputs + entry before members. + (class Unused_symbol_visitor): New class. + (Incremental_inputs::report_archive_end): Use Library_base; use + visitor class to record unused symbols; don't add incremental inputs + entry after members. + (Incremental_inputs::report_object): Use Library_base. + * incremental.h + (Incremental_archive_entry::Incremental_archive_entry): Remove + unused Archive parameter. + (Incremental_inputs::report_archive_begin): Use Library_base. + (Incremental_inputs::report_archive_end): Likewise. + (Incremental_inputs::report_object): Likewise. + * object.cc (Sized_relobj::do_for_all_global_symbols): New + function. + * object.h (Object::for_all_global_symbols): New function. + (Object::do_for_all_global_symbols): New function. + (Sized_relobj::do_for_all_global_symbols): New function. + * plugin.cc (Sized_pluginobj::do_for_all_global_symbols): New + function. + * plugin.h (Sized_pluginobj::do_for_all_global_symbols): New + function. + +2011-03-27 Ian Lance Taylor <iant@google.com> + + * archive.cc (Archive::interpret_header): Return -1 if something + goes wrong. Change callers accordingly. + +2011-03-25 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm. + * testsuite/Makefile.in: Regenerate. + +2011-03-23 Rafael Ávila de Espíndola <respindola@mozilla.com> + + * plugin.cc (get_view): New. + (Plugin::load): Pass get_view to the plugin. + (Plugin_manager::get_view): New. + +2011-03-21 Ian Lance Taylor <iant@google.com> + + * testsuite/final_layout.sh: Rewrite to not use dc. + * testsuite/relro_test.sh: Fail if dc is not present. + +2011-03-21 Sriraman Tallam <tmsriram@google.com> + + * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start. + Change == to -eq. + * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start. + * testsuite/icf_safe_test.sh: Add #!/bin/sh to start. + Change == to -eq. + * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start. + * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start. + +2011-03-14 Ian Lance Taylor <iant@google.com> + + * script-sections.cc (Sort_output_sections::script_compare): + Rename from is_before, change return type. + (Sort_output_sections::operator()): Adjust accordingly. + +2011-03-11 Jeffrey Yasskin <jyasskin@google.com> + + PR gold/12572 + * testsuite/odr_violation2.cc: Add comment to make all error line + numbers double digits. + * testsuite/debug_msg.sh: Adjust expected errors. + +2011-03-09 Jeffrey Yasskin <jyasskin@google.com> + + * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines, + but mark earlier ones as non-canonical + (offset_to_iterator): Update search target and example + (do_addr2line): Return extra lines in a vector* + (format_file_lineno): Extract from do_addr2line + (one_addr2line): Add vector* out-param + * dwarf_reader.h (Offset_to_lineno_entry): New field recording + when a lineno entry appeared last for its instruction + (Dwarf_line_info): Add vector* out-param + * object.cc (Relocate_info): Pass NULL for the vector* out-param + * symtab.cc (Odr_violation_compare): Include the lineno in the + comparison again. + (linenos_from_loc): New. Combine the canonical line for an + address with its other lines. + (True_if_intersect): New. Helper functor to make + std::set_intersection a query. + (detect_odr_violations): Compare sets of lines instead of just + one line for each function. This became less deterministic, but + has fewer false positives. + * symtab.h: Declarations. + * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to + mix an optimized and non-optimized object in the same binary + (odr_violation2.so): Same. + * testsuite/Makefile.in: Regenerate from Makefile.am. + * testsuite/debug_msg.cc (main): Make OdrDerived classes. + * testsuite/debug_msg.sh: Update line numbers and add + assertions. + * testsuite/odr_violation1.cc: Use OdrDerived, in a + non-optimized context. + * testsuite/odr_violation2.cc: Make sure Ordering::operator() + isn't inlined, and use OdrDerived in an optimized context. + * testsuite/odr_header1.h: Defines OdrDerived, where + optimization will change the + first-instruction-in-the-destructor's file and line number. + * testsuite/odr_header2.h: Defines OdrBase. + +2011-03-09 Ian Lance Taylor <iant@google.com> + + * fileread.cc (File_read::clear_views): Don't delete the whole + file view. + +2011-03-08 Ian Lance Taylor <iant@google.com> + + PR gold/12525 + * fileread.cc: #include <climits>. + (GOLD_IOV_MAX): Define. + (File_read::read_multiple): Limit number of entries by iov_max. + * fileread.h (class File_read): Always set max_readv_entries to + 128. + +2011-03-07 Ian Lance Taylor <iant@google.com> + + PR gold/12525 + * options.h (class General_options): Add -dy and -dn. + +2011-03-02 Cary Coutant <ccoutant@google.com> + + * testsuite/script_test_9.t: Add TLS segment. + +2011-03-02 Simon Baldwin <simonb@google.com> + + * configure.ac: Add check for gnu_indirect_function support in + the toolchain building binutils. + * configure: Rebuild. + +2011-02-18 Rafael Ávila de Espíndola <respindola@mozilla.com> + + * symtab.cc (Symbol::should_add_dynsym_entry) Return false for + plugin only symbols. + (Symbol_table::sized_finalize_symbol) Mark symbol only present + in plugin files as not needed in the symbol table. + +2011-02-11 Sriraman Tallam <tmsriram@google.com> + + * output.cc (Output_section::add_input_section): Delay fill + generation for section ordering. + +2011-02-09 Ian Lance Taylor <iant@google.com> + + PR gold/12316 + * object.h (class Sized_relobj): Remove clear_local_symbols. + * reloc.cc (Sized_relobj::do_relocate): Don't call + clear_local_symbols. + +2011-02-08 Rafael Ávila de Espíndola <respindola@mozilla.com> + + * plugin.cc (is_visible_from_outside): Return true for symbols + in the -u option. + +2011-02-04 Jeffrey Yasskin <jyasskin@google.com> + + * symtab.cc (Odr_violation_compare::operator()): Sort by just the + filename. + +2011-02-02 Sriraman Tallam <tmsriram@google.com> + + * icf.h (is_section_foldable_candidate): Change type of parameter + to std::string. + * icf.cc (Icf::find_identical_sections): Change type of local variable + section_name to be std::string. + (is_function_ctor_or_dtor): Change type of parameter to std::string. + +2011-01-25 Ian Lance Taylor <iant@google.com> + + * script.cc (script_add_extern): Rewrite to use + add_symbol_reference. + +2011-01-25 Doug Kwan <dougkwan@google.com> + + * icf.cc (get_section_contents): Always lock section's object. + +2011-01-24 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Accept + --no-detect-odr-violations. + +2011-01-24 Ian Lance Taylor <iant@google.com> + + * version.cc (version_string): Bump to 1.11. + +2011-01-24 Ian Lance Taylor <iant@google.com> + + * plugin.cc (class Plugin_rescan): Define new class. + (Plugin_manager::claim_file): Set any_claimed_. + (Plugin_manager::save_archive): New function. + (Plugin_manager::save_input_group): New function. + (Plugin_manager::all_symbols_read): Create Plugin_rescan task if + necessary. + (Plugin_manager::new_undefined_symbol): New function. + (Plugin_manager::rescan): New function. + (Plugin_manager::rescannable_defines): New function. + (Plugin_manager::add_input_file): Set any_added_. + * plugin.h (class Plugin_manager): define new fields rescannable_, + undefined_symbols_, any_claimed_, and any_added_. Declare + Plugin_rescan as friend. Declare new functions. + (Plugin_manager::Rescannable): Define type. + (Plugin_manager::Rescannable_list): Define type. + (Plugin_manager::Undefined_symbol_list): Define type. + (Plugin_manager::Plugin_manager): Initialize new fields. + * archive.cc (Archive::defines_symbol): New function. + (Add_archive_symbols::run): Pass archive to plugins if any. + * archive.h (class Archive): Declare defines_symbol. + * readsyms.cc (Input_group::~Input_group): New function. + (Finish_group::run): Pass input_group to plugins if any. + * readsyms.h (class Input_group): Declare destructor. + * symtab.cc (add_from_object): Pass undefined symbol to plugins if + any. + +2011-01-10 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame + section as relro. + (Layout::set_segment_offsets): Reset increase_relro before calling + set_section_addresses a second time. + +2011-01-04 Cary Coutant <ccoutant@google.com> + + * script-sections.cc (Sort_output_sections::operator()): Sort TLS + sections before NOBITS sections. + +2011-01-01 H.J. Lu <hongjiu.lu@intel.com> + + * version.cc (print_version): Update copyright to 2011. + +2010-12-23 Cary Coutant <ccoutant@google.com> + + * output.h (Output_data_reloc::add_output_section): Pass OD instead + of OS to this->add. Add OD parameter to second form of the function. + +2010-12-20 Ian Lance Taylor <iant@google.com> + + * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep + second of two consecutive entries with same offset. + +2010-12-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * testsuite/Makefile.am (ifuncmain2static_LDADD) + (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD) + (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables, + to avoid unneeded links against $(LDADD). + * testsuite/Makefile.in: Regenerate. + +2010-12-15 Ian Lance Taylor <iant@google.com> + + PR gold/12324 + * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error + for R_X86_64_32 and R_X86_64_PC32. + * testsuite/Makefile.am (ver_matching_def.so): Depend on and use + ver_matching_def_pic.o. + (ver_matching_def_pic.o): New target. + +2010-12-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * fileread.cc (file_counts_lock, file_counts_initialize_lock) + (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes): + Move definition before File_read::View member definitions. + (File_read::View::~View): Initialize and hold lock before + updating current_mapped_bytes. + +2010-12-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * dwarf_reader.cc: Remove outdated comment. + * gold-threads.cc: Fix typo in error message. + * archive.cc: Fix typos in comments. + * archive.h: Likewise. + * arm-reloc-property.cc: Likewise. + * arm-reloc-property.h: Likewise. + * arm-reloc.def: Likewise. + * arm.cc: Likewise. + * attributes.h: Likewise. + * cref.cc: Likewise. + * ehframe.cc: Likewise. + * fileread.h: Likewise. + * gold.h: Likewise. + * i386.cc: Likewise. + * icf.cc: Likewise. + * incremental.h: Likewise. + * int_encoding.cc: Likewise. + * layout.h: Likewise. + * main.cc: Likewise. + * merge.h: Likewise. + * object.cc: Likewise. + * object.h: Likewise. + * options.cc: Likewise. + * readsyms.cc: Likewise. + * reduced_debug_output.cc: Likewise. + * reloc.cc: Likewise. + * script-sections.cc: Likewise. + * sparc.cc: Likewise. + * symtab.h: Likewise. + * target-reloc.h: Likewise. + * target.cc: Likewise. + * target.h: Likewise. + * timer.cc: Likewise. + * timer.h: Likewise. + * x86_64.cc: Likewise. + +2010-12-09 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::layout_gnu_stack): Add warnings for executable + stack. + * layout.h (Layout::layout_gnu_stack): Add pointer to Object + parameter; change all callers. + * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack. + * options.h (warn_execstack): New option. + +2010-12-07 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31 + like function call relocations. + +2010-12-07 Ian Lance Taylor <iant@google.com> + + * archive.cc (Archive::get_elf_object_for_member): Permit + punconfigured to be NULL. + (Archive::read_symbols): Pass NULL to get_elf_object_for_member. + (Archive::include_member): Pass NULL to get_elf_object_for_member + if we searched for the archive and this is the first included + object. + +2010-12-01 Ian Lance Taylor <iant@google.com> + + * dwarf_reader.h (class Sized_dwarf_line_info): Add + track_relocs_type_ field. + * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info): + Set track_relocs_type_. + (Sized_dwarf_line_info::process_one_opcode): Ignore the section + contents when using RELA relocs. + (Sized_dwarf_line_info::read_relocs): Add the reloc addend to + reloc_map_. + * reloc.cc (Track_relocs::next_addend): New function. + * reloc.h (class Track_relocs): Declare next_addend. + +2010-12-01 Ian Lance Taylor <iant@google.com> + + * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add + virtual destructor. + +2010-12-01 Ian Lance Taylor <iant@google.com> + + * README: Update compilers known to work and fail. + +2010-11-23 Matthias Klose <doko@ubuntu.com> + + * configure.in: For --enable-gold, handle value `default' instead of + `both*'. Always install ld as ld.bfd, install as ld if gold is + not the default. + * configure: Regenerate. + +2010-11-18 Doug Kwan <dougkwan@google.com> + + * expression.cc (BINARY_EXPRESSION): Initialize left_alignment + and right_alignment to be zero. Store result alignment only if it is + greater than existing alignment. + +2010-11-16 Cary Coutant <ccoutant@google.com> + + PR gold/12220 + * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info): + Check for ".zdebug_line". + +2010-11-16 Doug Kwan <dougkwan@google.com> + Cary Coutant <ccoutant@google.com> + + * output.h (Output_segment::set_section_addresses): Pass increase_relro + by reference; adjust all callers. + * output.cc (Output_segment::set_section_addresses): Adjust references + to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST + list is empty. + (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not + end at page boundary. + +2010-11-16 Cary Coutant <ccoutant@google.com> + + PR gold/12220 + * layout.cc (Layout::choose_output_section): Transform names of + compressed sections even when using a script with a SECTIONS clause. + (Layout::output_section_name): Remove code to transform + compressed debug section names. + * output.cc (Output_section::add_input_section): Use uncompressed + section size when tracking input sections. + +2010-11-11 Richard Sandiford <richard.sandiford@linaro.org> + + * symtab.h (Symbol::NON_PIC_REF): Remove. + (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags. + (Symbol::FUNCTION_CALL): Renumber. Reword comment. + (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF. + (Symbol::use_plt_offset): Take a flags argument and pass it + directly to needs_dynamic_reloc. Restrict check for undefined + weak symbols to function calls. + * arm.cc (Target_arm::Scan::get_reference_flags): New function. + (Target_arm::Scan::global): Use it. + (Target_arm::Scan::scan_reloc_for_stub): Likewise. + (Target_arm::Relocate::relocate): Likewise. + (Target_arm::Relocate::should_apply_static_reloc): Replace flags + parameter with an r_type parameter. Use get_reference_flags + to get the flags. + (Target_arm::Relocate::relocate): Update accordingly. + * i386.cc (Target_i386::Scan::get_reference_flags): New function. + (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it. + (Target_i386::Scan::global): Likewise. + (Target_i386::Relocate::relocate): Likewise. + (Target_i386::Relocate::should_apply_static_reloc): Replace flags + parameter with an r_type parameter. Use get_reference_flags + to get the flags. + (Target_i386::Relocate::relocate): Update accordingly. + * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function. + (Target_powerpc::Scan::global): Use it. + (Target_powerpc::Scan::scan_reloc_for_stub): Likewise. + (Target_powerpc::Relocate::relocate): Likewise. + * sparc.cc (Target_sparc::Scan::get_reference_flags): New function. + (Target_sparc::Scan::global): Use it. + (Target_sparc::Scan::scan_reloc_for_stub): Likewise. + (Target_sparc::Relocate::relocate): Likewise. + * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function. + (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it. + (Target_x86_64::Scan::global): Likewise. + (Target_x86_64::Relocate::relocate): Likewise. + +2010-11-08 Doug Kwan <dougkwan@google.com> + Cary Coutant <ccoutant@google.com> + + * arm.cc (Arm_exidx_merge_section::build_contents): New method. + (Arm_exidx_merge_section::section_contents_): New data member. + (Arm_input_section::Arm_input_section): Initialize original_contents_. + (Arm_input_section::~Arm_input_section): De-allocate memory. + (Arm_input_section::original_contents_): New data member. + (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents + in parameters instead of calling Object::section_contents without + locking. + (Arm_output_section::group_section): New parameter TASK. Pass it + to callees that need locking objects. + (Arm_output_section::fix_exidx_coverage): New parameter TASK. Use it + to lock EXIDX input sections. Fix a formatting issue. Call + Arm_exidx_merged_section::build_contents to create merged section + contents. + (Arm_output_section::create_stub_group): New parameter TASK. Use it + to lock object of stub table owner. + (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter + TEXT_SIZE to initialize data member TEXT_SIZE_. + (Arm_exidx_input_section::addralign): Fix typo in comment. + (Arm_exidx_input_section::text_size): New method. + (Target_arm::do_relax): New parameter TASK. Pass it to callees + that require locking objects. Lock objects before scanning for stubs + and updating local symbols. + (Arm_input_section<big_endian>::init): Copy contents of original + input section. + (Arm_input_section<big_endian>::do_write): Use saved contents of + original input section instead of calling Object::section_contents + without locking. + (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section + size without calling Object::section_size(). + (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check + for size. Allocate a buffer for merged EXIDX entries. + (Arm_exidx_merged_section::build_contents): New method. + (Arm_exidx_merged_section::do_write): Move merge section contents + building code to Arm_exidx_merged_section::build_contetns. Write + out contetns in buffer instead of building it on the fly. + (Arm_relobj::make_exidx_input_section): Also pass text section size + to Arm_exidx_input_section constructor. + (Arm_relobj::do_read_symbols): Fix memory leak. Fix a formatting issue. + (Arm_dynobj::do_read_symbols): Fix memory leak. + * layout.cc (Layout::finalize): Pass TASK to Target::relax(). + * target.h: (class Task): Add forward declaration. + (Target::relax): Add new parameter TASK and pass it to + Target::do_relax(). + (Target::do_relax):: New parameter TASK. Fix a formatting issue. + +2010-11-05 Cary Coutant <ccoutant@google.com> + + PR gold/10708 + * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the + object when reading from the file. + * gold.cc (queue_middle_tasks): Hold a lock on the object when doing + second layout pass. + * icf.cc (preprocess_for_unique_sections): Hold a lock on the object + when reading section contents. + (get_section_contents): Likewise. + (icf::find_identical_sections): Likewise. + * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the + object when reading from the file. + * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on + the object when doing deferred section layout. + +2010-11-03 Nick Clifton <nickc@redhat.com> + + PR gold/12001 + * script.h (class Symbol_assignment: name): New member. Returns + the name of the symbol. + * scrfipt.cc (Script_options::is_pending_assignment): New member. + Returns true if the given symbol name is on the list of + assignments wating to be processed. + * archive.cc (should_incldue_member): If the symbol is undefined, + check to see if it is on the list of symbols pending assignment. + +2010-11-03 Ryan Mansfield <rmansfield@qnx.com> + + * script-sections.cc (Script_sections::find_memory_region): Check + for a NULL output section pointer. + +2010-10-29 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to + Output_section::add_relaxed_input_section. + * output.cc (Output_section::add_relaxed_input_section): Add new + arguments LAYOUT and NAME. Set section order index. + (Output_section::convert_input_sections_in_list_to_relaxed_sections): + Copy section order index. + * output.h (Output_section::add_relaxed_input_section): Add new + arguments LAYOUT and NAME. + +2010-10-29 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * testsuite/Makefile.am: Move gcctestdir/ld rule to + NATIVE_OR_CROSS_LINKER. + * testsuite/Makefile.in: Regenerate. + +2010-10-20 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections + without SHF_LINK_ORDER flags. + * layout.cc (Layout::choose_output_section): Do not filter + SHF_LINK_ORDER flag in a relocatable link. + +2010-10-17 Cary Coutant <ccoutant@google.com> + + * output.h (Output_segment::set_section_addresses): Change function + signature. Update all callers. + * output.cc (Output_segment::is_first_section_relro): Ignore TLS + sections. + (Output_segment::set_section_addresses): Align after last TLS + section. Add padding before last relro section instead of after. + +2010-10-17 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::got_section): Use correct order and set + GOT output section to be writable. + +2010-10-14 Cary Coutant <ccoutant@google.com> + + * debug.h (DEBUG_INCREMENTAL): New flag. + (debug_string_to_enum): Add DEBUG_INCREMENTAL). + * gold.cc (queue_initial_tasks): Check parameters for incremental link + mode. + * incremental.cc (report_command_line): Ignore all forms of + --incremental. + * layout.cc (Layout::Layout): Check parameters for incremental link + mode. + * options.cc (General_options::parse_incremental): New function. + (General_options::parse_no_incremental): New function. + (General_options::parse_incremental_full): New function. + (General_options::parse_incremental_update): New function. + (General_options::incremental_mode_): New data member. + (General_options::finalize): Check incremental_mode_. + * options.h (General_options): Update help text for --incremental. + Add --no-incremental, --incremental-full, --incremental-update. + (General_options::Incremental_mode): New enum type. + (General_options::incremental_mode): New function. + (General_options::incremental_mode_): New data member. + * parameters.cc (Parameters::incremental_mode_): New data member. + (Parameters::set_options): Set incremental_mode_. + (Parameters::set_incremental_full): New function. + (Parameters::incremental): New function. + (Parameters::incremental_update): New function. + (set_parameters_incremental_full): New function. + * parameters.h (Parameters::set_incremental_full): New function. + (Parameters::incremental): New function. + (Parameters::incremental_update): New function. + (Parameters::incremental_mode_): New data member. + (set_parameters_incremental_full): New function. + * plugin.cc (Plugin_manager::add_input_file): Check parameters for + incremental link mode. + * reloc.cc (Sized_relobj::do_read_relocs): Likewise. + (Sized_relobj::do_relocate_sections): Likewise. + * testsuite/Makefile.am (incremental_test): Use --incremental-full + option. + * testsuite/Makefile.in: Regenerate. + * testsuite/incremental_test.sh: Filter all forms of --incremental. + +2010-10-12 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * script-sections.h (class Script_sections): Make + Sections_elements typedef public. + * script-sections.cc (class Sort_output_sections): Add elements_ + field. Add constructor which sets it; change all callers. + (Sort_output_sections::is_before): New function. + (Sort_output_sections::operator()): Call is_before. + * configure.ac (NATIVE_OR_CROSS_LINKER): New automake + conditional. + * testsuite/script_test_10.sh: New test. Test script section + order. + * testsuite/script_test_10.t: Likewise. + * testsuite/script_test_10.s: Likewise. + * testsuite/Makefile.am: Wrap the cross linker tests and the + common tests into NATIVE_OR_CROSS_LINKER. + (check_SCRIPTS): Add script_test_10.sh. + (check_DATA): Add script_test_10.stdout. + (script_test_10.o, script_test_10): New targets. + (script_test_10.stdout): New target. + * configure, testsuite/Makefile.in: Regenerate. + +2010-10-12 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Target_arm::Scan::local): Report the unsupported reloc + error for the deprecated relocations. + (Target_arm::Scan::global): Likewise. + (Target_arm::Relocate::relocate): Likewise. + +2010-10-12 Richard Sandiford <richard.sandiford@linaro.org> + + * fileread.cc (Input_file::find_file): Initialize *found_name + and *namep when using the fallback search for case 4. + +2010-10-11 Cary Coutant <ccoutant@google.com> + + * options.h (class General_options): Redefine -z lazy as an alias for + the negation of -z now. + +2010-10-11 Ian Lance Taylor <iant@google.com> + + * resolve.cc (symbol_to_bits): Report the value of the unsupported + binding. + +2010-10-06 Nick Clifton <nickc@redhat.com> + + * script-sections.cc(class Memory_region): Remove + current_lma_offset_ field. Rename current_vma_offset_ to + current_offset_. Add last_section_ field. + (Memory_region::get_current_vma_address): Rename to + get_current_address. + (Memory_region::get_current_lma_address): Delete. + (Memory_region::increment_vma_offset): Rename to + increment_offset. + (Memory_region::increment_lma_offset): Delete. + (Memory_region::attributes_compatible): New method. Returns + true if the provided section is compatible with the region. + (Memory_region::get_last_section): New method. Returns the last + section to use the region. + (Memory_region::set_last_section): New method. Stores the last + section to use the region. + (Script_sections::block_in_region): New method. Returns true if + a block of memory is contained within a region. + (Script_sections::find_memory_region): New method. Locates a + memory region to be used to set a VMA or LMA address. + (Output_section_definition::set_section_addresses): Add code to + check for addresses set by memory regions. + (Output_segment::set_section_addresses): Remove memory region + walking code. + (Script_sections::create_segment): Add a warning if a header + segment is created outside of any region. + * script-sections.h (class Script_sections): Add prototypes for + find_memory_region and block_in_region methods. + * testsuite/memory_test.s: Use .long instead of .word. + * testsuite/memory_test.t: Add some more output sections. + * testsuite/memory_test.sh: Update expected output. + +2010-10-02 Doug Kwan <dougkwan@google.com> + + * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move + defintion to symtab.h + * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change + declaration to defintion. + +2010-10-01 Nick Clifton <nickc@redhat.com> + + * expression.cc (eval): Replace dummy argument with NULL. + (eval_maybe_dot): Check for a NULL result section pointer. + (Symbol_expression::value): Likewise. + (Dot_expression::value): Likewise. + (BINARY_EXPRESSION): Likewise. + (Max_expression::value): Likewise. + (Min_expression::value): Likewise. + (Absolute_expression::value): Likewise. + (Addr_expression::value_from_output_section): Likewise. + (Loaddddr_expression::value_from_output_section): Likewise. + (Segment_start_expression::value): Likewise. + * script-sections.cc + (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy + argument with NULL. + (Sections_elememt_dot_assignment::set_section_addresses): + Likewise. + (Output_data_expression::do_write_to_buffer): Likewise. + (Output_section_definition::finalize_symbols): Likewise. + (Output_section_definition::set_section_addresses): Likewise. + +2010-09-30 Doug Kwan <dougkwan@google.com> + + * testsuite/arm_branch_out_of_range.sh: Fix broken tests. + +2010-09-28 Sriraman Tallam <tmsriram@google.com> + + * target.h (Target::can_icf_inline_merge_sections): New virtual + function. + * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New + virtual function. + * i386.cc (Target_i386::can_icf_inline_merge_sections): New + virtual function. + * icf.cc (get_section_contents): Inline merge sections only when + target allows it. + +2010-09-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure: Regenerate. + +2010-09-17 Ian Lance Taylor <iant@google.com> + + * testsuite/memory_test.sh: Adjust for change of 2010-09-10. + * testsuite/Makefile.am (memory_test.o): New target. + (memory_test): Depend on memory_test.o, gcctestdir/ld, and + memory_test.t. + * testsuite/Makefile.in: Rebuild. + +2010-09-17 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and + defintion if relocation uses GOT entries of the symbol. + * testsuite/icf_safe_test.sh: Fix test. + * testsuite/icf_safe_so_test.sh: Fix test. + +2010-09-16 Cary Coutant <ccoutant@google.com> + + * script_sections.cc (class Memory_region): Remove "NULL" from + vector initializations. + +2010-09-15 Cary Coutant <ccoutant@google.com> + + * incremental.cc (Output_section_incremental_inputs::write_info_blocks): + Resolve forwarding symbols. + +2010-09-15 Doug Kwan <dougkwan@google.com> + + * testsuite/script_test_3.t: Add ARM special sections. + * testsuite/script_test_4.t: Same. + * testsuite/script_test_5.t: Same. + * testsuite/script_test_6.t: Same. + * testsuite/script_test_7.t: Same. + * testsuite/script_test_7.t: Same. + * testsuite/thumb_blx_out_of_range.s: Fix instruction alignment. + +2010-09-14 Cary Coutant <ccoutant@google.com> + + * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member. + (Target_x86_64::Relocate::relocate_tls): Replace check for + saw_tls_block_reloc_ with test for executable section. + +2010-09-12 Cary Coutant <ccoutant@google.com> + + * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from + position-independent executables to shared libraries need dynamic + relocations. + (Symbol::may_need_copy_reloc): Do not generate COPY relocs in + position-independent executables. + * testsuite/Makefile.am (two_file_mixed_pie_test): New test. + * testsuite/Makefile.in: Regenerate. + +2010-09-10 Nick Clifton <nickc@redhat.com> + + PR gold/11997 + * testsuite/memory_test.t: Discard any sections that are not + needed. + +2010-09-09 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/11996 + * object.cc (Sized_relobj::do_finalize_local_symbols): Remove + "This::" to work around a bug in gcc 4.2. + + * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)). + +2010-09-09 Rafael Espindola <espindola@google.com> + + * layout.cc (Layout::attach_allocated_section_to_segment): Don't put + sections with different PF_X flags in the same segment. + (Layout::find_first_load_seg): Search all segments to find the first + one. + * options.h (rosegment): New. + +2010-09-08 Rafael Espindola <espindola@google.com> + + * layout.cc (Layout::set_segment_offsets): Always advance to a new page. + +2010-09-08 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method. + (Arm_relobj::do_relocate_sections): Add new parameter for output + file to match the parent. + (Target_arm::scan_reloc_section_for_stubs): Use would-be final values + of local symbols instead of input values. Update code to track + changes in gold::relocate_section. + * object.cc (Sized_relobj::compute_final_local_value): New methods. + (Sized_relobj::compute_final_local_value_internal): New methods. + (Sized_relobj::do_finalize_local_symbols): Move code from loop + body into private version of Sized_relobj::compute_final_local_value. + Call the inline method. + * object.h (Symbol_value::Symbol_value): Define destructor. Free + merged symbol value if there is one. + (Symbol_value::has_output_value): New method defintiion. + (Sized_relobj::Compute_final_local_value_status): New enum type. + (Sized_relobj::compute_final_local_value): New methods. + (Sized_relobj::compute_final_local_value_internal): New methods. + * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh + and arm_cortex_a8.sh. + (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl, + arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc): + New tests. + * Makefile.in: Regenerate. + * testsuite/arm_bl_out_of_range.s: Update test. + * testsuite/thumb_bl_out_of_range.s: Ditto. + * testsuite/thumb_blx_out_of_range.s: Ditto. + * testsuite/arm_branch_out_of_range.sh: New file. + * testsuite/arm_cortex_a8.sh: Ditto. + * testsuite/arm_cortex_a8_b.s: Ditto. + * testsuite/arm_cortex_a8_b_cond.s: Ditto. + * testsuite/arm_cortex_a8_b_local.s: Ditto. + * testsuite/arm_cortex_a8_bl.s: Ditto. + * testsuite/arm_cortex_a8_blx.s: Ditto. + * testsuite/arm_cortex_a8_local.s: Ditto. + * testsuite/arm_cortex_a8_local_reloc.s: Ditto. + * testsuite/thumb_bl_out_of_range_local.s: Ditto. + +2010-09-08 Rafael Espindola <espindola@google.com> + + * Makefile.am (memory_test.stdout): Run readelf with -W. + * Makefile.in: Regenerate. + * testsuite/memory_test.sh: Make the regexps accept both 32 and + 64 bit output. + +2010-09-08 Rafael Espindola <espindola@google.com> + + * script-sections.cc (Script_sections::add_memory_region): Convert + field precision to int. + * script.cc (script_set_section_region, script_set_section_region): + Convert field precision to int. + +2010-09-08 Rafael Espindola <espindola@google.com> + + * arm.cc (do_finalize_sections): Create the __exidx_start and + __exdix_end symbols even when the section is missing. + +2010-09-08 Nick Clifton <nickc@redhat.com> + + * README: Remove claim that MEMORY is not supported. + * expression.cc (script_exp_function_origin) + (script_exp_function_length): Move from here to ... + * script.cc: ... here. + (script_set_section_region, script_add_memory) + (script_parse_memory_attr, script_include_directive): New + functions. + * script-sections.cc + (class Memory_region): New class. + (class Output_section_definition): Add set_memory_region, + set_section_vma, set_section_lma and get_section_name methods. + (class Script_Sections): Add add_memory_region, + find_memory_region, find_memory_region_origin, + find_memory_region_length and set_memory_region methods. + Have set_section_addresses method walk the list of set memory + regions. + Extend the print methos to display memory regions. + * script-sections.h: Add prototypes for new methods. + Add enum for MEMORY region attributes. + * yyscript.y: Add support for parsing MEMORY regions. + * script-c.h: Add prototypes for new functions. + * testsuite/Makefile.am: Add test of MEMORY region functionality. + * testsuite/Makefile.in: Regenerate. + * testsuite/memory_test.sh: New script. + * testsuite/memory_test.s: New assembler source file. + * testsuite/memory_test.t: New linker script. + +2010-08-27 Doug Kwan <dougkwan@google.com> + + * resolve.cc (Symbol_table::should_override): Let a weak + reference override an existing dynamic weak reference. + * testsuite/Makefile.am: Add new test dyn_weak_ref. + * testsuite/Makefile.in: Regenerate. + * testsuite/dyn_weak_ref.sh: New file. + * testsuite/dyn_weak_ref_1.c: Ditto. + * testsuite/dyn_weak_ref_2.c: Ditto. + +2010-08-27 Ian Lance Taylor <iant@google.com> + + * incremental.h (class Incremental_input_entry): Add virtual + destructor. + +2010-08-27 Ian Lance Taylor <iant@google.com> + + * testsuite/start_lib_test_3.c: Mark t3 as used. + +2010-08-27 Nick Clifton <nickc@redhat.com> + + * options.cc (version_script): Fix small typo in previous + whitespace tidyup. + +2010-08-25 Nick Clifton <nickc@redhat.com> + + * archive.cc: Formatting fixes: Remove whitespace between + typename and following asterisk. Remove whitespace between + function name and opening parenthesis. + * archive.h: Likewise. + * arm.cc: Likewise. + * attributes.cc: Likewise. + * attributes.h: Likewise. + * common.cc: Likewise. + * copy-relocs.cc: Likewise. + * dirsearch.h: Likewise. + * dynobj.cc: Likewise. + * ehframe.cc: Likewise. + * ehframe.h: Likewise. + * expression.cc: Likewise. + * fileread.cc: Likewise. + * fileread.h: Likewise. + * gc.h: Likewise. + * gold-threads.cc: Likewise. + * gold.cc: Likewise. + * i386.cc: Likewise. + * icf.h: Likewise. + * incremental-dump.cc: Likewise. + * incremental.cc: Likewise. + * layout.cc: Likewise. + * layout.h: Likewise. + * main.cc: Likewise. + * merge.cc: Likewise. + * merge.h: Likewise. + * object.cc: Likewise. + * object.h: Likewise. + * options.cc: Likewise. + * options.h: Likewise. + * output.cc: Likewise. + * output.h: Likewise. + * plugin.cc: Likewise. + * plugin.h: Likewise. + * powerpc.cc: Likewise. + * reloc.cc: Likewise. + * script-c.h: Likewise. + * script-sections.cc: Likewise. + * script.cc: Likewise. + * stringpool.cc: Likewise. + * symtab.cc: Likewise. + * symtab.h: Likewise. + * target.cc: Likewise. + * timer.cc: Likewise. + * timer.h: Likewise. + * version.cc: Likewise. + * x86_64.cc: Likewise. + +2010-08-24 Nick Clifton <nickc@redhat.com> + + PR 11899 + * layout.cc (segment_precedes): Sort segments by their physical + addresses, if they have been set. + +2010-08-23 Cary Coutant <ccoutant@google.com> + + * archive.cc (Lib_group::add_symbols): Lock object before deleting its + symbols data. + (Lib_group::include_member): Unlock object after deleting its + symbols data. + * testsuite/start_lib_test_3.c: Remove all global symbols to trigger + the bug fixed here. + +2010-08-19 Neil Vachharajani <nvachhar@google.com> + Cary Coutant <ccoutant@google.com> + + * archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust + constructor, and set_blocker. + * archive.cc (Add_lib_group_symbols::is_runnable): Also check + readsyms_blocker_. + * readsyms.cc (Read_symbols::do_lib_group): Also pass + this->this_blocker_ to Add_lib_group_symbols::set_blocker. + * testsuite/Makefile.am (start_lib_test): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/start_lib_test_main.c: New file. + * testsuite/start_lib_test_1.c: New file. + * testsuite/start_lib_test_2.c: New file. + * testsuite/start_lib_test_3.c: New file. + +2010-08-19 Ian Lance Taylor <iant@google.com> + + * Makefile.in: Rebuild with automake 1.11.1. + * aclocal.m4: Likewise. + * testsuite/Makefile.in: Likewise. + +2010-08-19 Ian Lance Taylor <iant@google.com> + + PR 10893 + * i386.cc (class Output_data_plt_i386): Update declarations. + Define Global_ifunc and Local_ifunc types. Add global_ifuncs_ and + local_ifuncs_ fields. + (Target_i386::do_plt_section_for_global): New function. + (Target_i386::do_plt_section_for_local): New function. + (Output_data_plt_i386::Output_data_plt_i386): Add symtab + parameter; change all callers. Initialize global_ifuncs_ and + local_ifuncs_. If doing a static link define __rel_iplt_start and + __rel_iplt_end. + (Output_data_plt_i386::add_entry): Handle IFUNC symbols. + (Output_data_plt_i386::add_local_ifunc_entry): New function. + (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC + symbols. + (Target_i386::make_plt_section): New function, broken out of + make_plt_entry. Set sh_info field of .rel.plt to point to .plt. + (Target_i386::make_plt_entry): Call make_plt_section. + (Target_i386::make_local_ifunc_plt_entry): New function. + (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function. + (Target_i386::Scan::local): Handle IFUNC symbols. Add + R_386_IRELATIVE to switch. + (Target_i386::Scan::global): Likewise. + (Target_i386::Relocate::relocate): Likewise. + (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to + switch. + * x86_64.cc (class Output_data_plt_x86_64): Update declarations. + (Target_x86_64::do_plt_section_for_global): New function. + (Target_x86_64::do_plt_section_for_local): New function. + (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab + parameter; change all callers. If doing a static link define + __rela_iplt_start and __rela_iplt_end. + (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols. + (Output_data_plt_x86_64::add_local_ifunc_entry): New function. + (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt + to point to .plt. + (Target_x86_64::make_local_ifunc_plt_entry): New function. + (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to + switch. + (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function. + (Target_x86_64::Scan::local): Handle IFUNC symbols. Add + R_X86_64_IRELATIVE to switch. + (Target_x86_64::Scan::global): Likewise. + (Target_x86_64::Relocate::relocate): Likewise. + (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to + switch. + * target.h (class Target): Add plt_section_for_global and + plt_section_for_local functions. Add do_plt_section_for_global + and do_plt_section_for_local virtual functions. + * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol. Add + clarifying comments. + (Symbol::use_plt_offset): Handle IFUNC symbol. + * object.cc (Sized_relobj::Sized_relobj): Initialize + local_plt_offsets_. + (Sized_relobj::local_has_plt_offset): New function. + (Sized_relobj::local_plt_offset): New function. + (Sized_relobj::set_local_plt_offset): New function. + (Sized_relobj::do_count): Handle IFUNC symbol. + * object.h (class Symbol_value): Add is_ifunc_symbol_ field. Take + a bit away from input_shndx_ field. Add set_is_func_symbol and + is_ifunc_symbol functions. + (class Sized_relobj): Update declarations. Remove Tls_got_entry + and Local_tls_got_offsets. Define Local_plt_offsets. Add + local_plt_offsets_ field. + (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_. + * output.h (class Output_section_data): Add non-const + output_section function. + (class Output_data_got): Update declarations. + (class Output_data_got::Got_entry): Add use_plt_offset_ field. + Add use_plt_offset parameter to global and local constructors. + Change all callers. Change local_sym_index_ field to 31 bits. + Change GSYM_CODE and CONSTANT_CODE accordingly. + * output.cc (Output_data_reloc_base::do_adjust_output_section): If + doing a static link don't set sh_link field. + (Output_data_got::Got_entry::write): Use PLT offset if + appropriate. + (Output_data_got::add_global_plt): New function. + (Output_data_got::add_local_plt): New function. + * target-reloc.h (relocate_section): Handle IFUNC symbol. + * defstd.cc (in_section): Remove entries for __rel_iplt_start, + __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end. + * configure.ac: Set IFUNC automake conditional for glibc >= 2.11. + * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within + IFUNC conditional. + * testsuite/ifunc-sel.h: New file. + * testsuite/ifuncmain1.c: New file. + * testsuite/ifuncmain1vis.c: New file. + * testsuite/ifuncmod1.c: New file. + * testsuite/ifuncdep2.c: New file. + * testsuite/ifuncmain2.c: New file. + * testsuite/ifuncmain3.c: New file. + * testsuite/ifuncmod3.c: New file. + * testsuite/ifuncmain4.c: New file. + * testsuite/ifuncmain5.c: New file. + * testsuite/ifuncmod5.c: New file. + * testsuite/ifuncmain6pie.c: New file. + * testsuite/ifuncmod6.c: New file. + * testsuite/ifuncmain7.c: New file. + * configure, testsuite/Makefile.in: Rebuild. + +2010-08-18 Ian Lance Taylor <iant@google.com> + + * incremental.cc + (Output_section_incremental_inputs::write_input_files): Add cast + to avoid signed/unsigned comparison warning. + (Output_section_incremental_inputs::write_info_blocks): Likewise. + +2010-08-12 Cary Coutant <ccoutant@google.com> + + * common.cc (Sort_commons::operator()): Remove unnecessary code. + +2010-08-13 Ian Lance Taylor <iant@google.com> + + * testsuite/incremental_test_1.c: Add prototype to avoid warning. + +2010-08-12 Cary Coutant <ccoutant@google.com> + Doug Kwan <dougkwan@google.com> + + * resolve.cc (Symbol_table::should_override): When a weak dynamic + defintion overrides non-weak undef, remember that the original undef + is not weak. + * symtab.cc (Symbol_table::sized_write_global): For undef without + an original weak binding, set binding to global in output. + * testsuite/Makefile.am: Add new test strong_ref_weak_def. + * testsuite/Makefile.in: Regenerate. + * testsuite/strong_ref_weak_def.sh: New file. + * testsuite/strong_ref_weak_def_1.c: Ditto. + * testsuite/strong_ref_weak_def_2.c: Ditto. + +2010-08-12 Cary Coutant <ccoutant@google.com> + + * testsuite/incremental_test.sh: Rewrite. + * testsuite/incremental_test_1.c: Rewrite. + * testsuite/incremental_test_2.c: Rewrite. + +2010-08-12 Cary Coutant <ccoutant@google.com> + + * arm.cc (Target_arm::got_size): Add const. + (Target_arm::got_entry_count): New function. + (Target_arm::plt_entry_count): New function. + (Target_arm::first_plt_entry_offset): New function. + (Target_arm::plt_entry_size): New function. + (Output_data_plt_arm::entry_count): New function. + (Output_data_plt_arm::first_plt_entry_offset): New function. + (Output_data_plt_arm::get_plt_entry_size): New function. + * i386.cc (Target_i386::got_size): Add const. + (Target_i386::got_entry_count): New function. + (Target_i386::plt_entry_count): New function. + (Target_i386::first_plt_entry_offset): New function. + (Target_i386::plt_entry_size): New function. + (Output_data_plt_i386::entry_count): New function. + (Output_data_plt_i386::first_plt_entry_offset): New function. + (Output_data_plt_i386::get_plt_entry_size): New function. + * incremental-dump.cc (dump_incremental_inputs): Adjust call to + find_incremental_inputs_sections. Dump incremental_got_plt section. + * incremental.cc: Include target.h. + (Sized_incremental_binary::do_find_incremental_inputs_sections): Add + parameter. Adjust all callers. Find incremental_got_plt section. + (Incremental_inputs::create_data_sections): Create incremental_got_plt + section. + (Output_section_incremental_inputs::set_final_data_size): Calculate + size of incremental_got_plt section. + (Output_section_incremental_inputs::do_write): Write the + incremental_got_plt section. + (Got_plt_view_info): New struct. + (Local_got_offset_visitor): New class. + (Global_got_offset_visitor): New class. + (Global_symbol_visitor_got_plt): New class. + (Output_section_incremental_inputs::write_got_plt): New function. + * incremental.h (Incremental_binary::find_incremental_inputs_sections): + Add parameter. Adjust all callers. + (Incremental_binary::do_find_incremental_inputs_sections): Likewise. + (Incremental_inputs::got_plt_section): New function. + (Incremental_inputs::got_plt_section_): New data member. + (Incremental_got_plt_reader): New class. + * layout.cc (Layout::create_incremental_info_sections): Add the + incremental_got_plt section. + * object.h (Got_offset_list::get_list): New function. + (Got offset_list::for_all_got_offsets): New function. + (Sized_relobj::local_got_offset_list): New function. + * powerpc.cc (Target_powerpc::got_size): Add const. + (Target_powerpc::got_entry_count): New function. + (Target_powerpc::plt_entry_count): New function. + (Target_powerpc::first_plt_entry_offset): New function. + (Target_powerpc::plt_entry_size): New function. + (Output_data_plt_powerpc::entry_count): New function. + (Output_data_plt_powerpc::first_plt_entry_offset): New function. + (Output_data_plt_powerpc::get_plt_entry_size): New function. + * sparc.cc (Target_sparc::got_size): Add const. + (Target_sparc::got_entry_count): New function. + (Target_sparc::plt_entry_count): New function. + (Target_sparc::first_plt_entry_offset): New function. + (Target_sparc::plt_entry_size): New function. + (Output_data_plt_sparc::entry_count): New function. + (Output_data_plt_sparc::first_plt_entry_offset): New function. + (Output_data_plt_sparc::get_plt_entry_size): New function. + * symtab.h (Symbol::got_offset_list): New function. + (Symbol_table::for_all_symbols): New function. + * target.h (Sized_target::got_entry_count): New function. + (Sized_target::plt_entry_count): New function. + (Sized_target::plt_entry_size): New function. + * x86_64.cc (Target_x86_64::got_size): Add const. + (Target_x86_64::got_entry_count): New function. + (Target_x86_64::plt_entry_count): New function. + (Target_x86_64::first_plt_entry_offset): New function. + (Target_x86_64::plt_entry_size): New function. + (Output_data_plt_x86_64::entry_count): New function. + (Output_data_plt_x86_64::first_plt_entry_offset): New function. + (Output_data_plt_x86_64::get_plt_entry_size): New function. + +2010-08-12 Cary Coutant <ccoutant@google.com> + + * archive.cc: Include incremental.h. + (Archive::Archive): Initialize incremental_info_. + (Archive::include_member): Record archive members in incremental info. + (Add_archive_symbols::run): Record begin and end of an archive in + incremental info. + (Lib_group::include_member): Record objects in incremental info. + * archive.h (Incremental_archive_entry): Forward declaration. + (Archive::set_incremental_info): New member function. + (Archive::incremental_info): New member function. + (Archive::Unused_symbol_iterator): New class. + (Archive::unused_symbols_begin): New member function. + (Archive::unused_symbols_end): New member function. + (Archive::incremental_info_): New data member. + * incremental-dump.cc (find_input_containing_global): New function. + (dump_incremental_inputs): Dump new incremental info sections. + * incremental.cc: Include symtab.h. + (Output_section_incremental_inputs): New class. + (Sized_incremental_binary::do_find_incremental_inputs_sections): Support + new incremental info sections. + (Sized_incremental_binary::do_check_inputs): Likewise. + (Incremental_inputs::report_archive): Remove. + (Incremental_inputs::report_archive_begin): New function. + (Incremental_inputs::report_archive_end): New function. + (Incremental_inputs::report_object): New function. + (Incremental_inputs::finalize_inputs): Remove. + (Incremental_inputs::report_input_section): New function. + (Incremental_inputs::report_script): Rewrite. + (Incremental_inputs::finalize): Do nothing but finalize string table. + (Incremental_inputs::create_incremental_inputs_section_data): Remove. + (Incremental_inputs::sized_create_inputs_section_data): Remove. + (Incremental_inputs::create_data_sections): New function. + (Incremental_inputs::relocs_entsize): New function. + (Output_section_incremental_inputs::set_final_data_size): New function. + (Output_section_incremental_inputs::do_write): New function. + (Output_section_incremental_inputs::write_header): New function. + (Output_section_incremental_inputs::write_input_files): New function. + (Output_section_incremental_inputs::write_info_blocks): New function. + (Output_section_incremental_inputs::write_symtab): New function. + * incremental.h (Incremental_script_entry): Forward declaration. + (Incremental_object_entry): Forward declaration. + (Incremental_archive_entry): Forward declaration. + (Incremental_inputs): Forward declaration. + (Incremental_inputs_header_data): Remove. + (Incremental_inputs_header): Remove. + (Incremental_inputs_header_write): Remove. + (Incremental_inputs_entry_data): Remove. + (Incremental_inputs_entry): Remove. + (Incremental_inputs_entry_write): Remove. + (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER. + (Incremental_binary::find_incremental_inputs_sections): Add parameters. + (Incremental_binary::do_find_incremental_inputs_sections): Likewise. + (Sized_ncremental_binary::do_find_incremental_inputs_sections): + Likewise. + (Incremental_input_entry): New class. + (Incremental_script_entry): New class. + (Incremental_object_entry): New class. + (Incremental_archive_entry): New class. + (Incremental_inputs::Incremental_inputs): Initialize new data members. + (Incremental_inputs::report_inputs): Remove. + (Incremental_inputs::report_archive): Remove. + (Incremental_inputs::report_archive_begin): New function. + (Incremental_inputs::report_archive_end): New function. + (Incremental_inputs::report_object): Change prototype. + (Incremental_inputs::report_input_section): New function. + (Incremental_inputs::report_script): Change prototype. + (Incremental_inputs::get_reloc_count): New function. + (Incremental_inputs::set_reloc_count): New function. + (Incremental_inputs::create_data_sections): New function. + (Incremental_inputs::create_incremental_inputs_section_data): Remove. + (Incremental_inputs::inputs_section): New function. + (Incremental_inputs::symtab_section): New function. + (Incremental_inputs::relocs_section): New function. + (Incremental_inputs::get_stringpool): Add const. + (Incremental_inputs::command_line): Add const. + (Incremental_inputs::inputs): Remove. + (Incremental_inputs::command_line_key): New function. + (Incremental_inputs::input_file_count): New function. + (Incremental_inputs::input_files): New function. + (Incremental_inputs::relocs_entsize): New function. + (Incremental_inputs::sized_create_inputs_section_data): Remove. + (Incremental_inputs::finalize_inputs): Remove. + (Incremental_inputs::Input_info): Remove. + (Incremental_inputs::lock_): Remove. + (Incremental_inputs::inputs_): Change type. + (Incremental_inputs::inputs_map_): Remove. + (Incremental_inputs::current_object_entry_): New data member. + (Incremental_inputs::inputs_section_): New data member. + (Incremental_inputs::symtab_section_): New data member. + (Incremental_inputs::relocs_section_): New data member. + (Incremental_inputs::reloc_count_): New data member. + (Incremental_inputs_reader): New class. + (Incremental_symtab_reader): New class. + (Incremental_relocs_reader): New class. + * layout.cc (Layout::finalize): Move finalization of incremental info + and creation of incremental info sections to follow finalization of + symbol table. Set offsets for postprocessing sections. + (Layout::create_incremental_info_sections): Call + Incremental_inputs::create_data_sections. Add incremental symtab + and relocs sections. Set sh_entsize and sh_link fields. Arrange for + sections to layout after input sections. + * layout.h (struct Timespec): Forward declaration. + (Layout::incremental_inputs): Add const. + (Layout::create_incremental_info_sections): Add parameter. + * main.cc (main): Remove call to Incremental_inputs::report_inputs. + * object.cc: Include incremental.h. + (Relobj::finalize_incremental_relocs): New function. + (Sized_relobj::do_layout): Record input sections in incremental info. + * object.h (Object::output_section): New function. + (Object::output_section_offset): Moved from Relobj. + (Object::get_incremental_reloc_base): New function. + (Object::get_incremental_reloc_count): New function. + (Object::do_output_section): New function. + (Object::do_output_section_offset): Moved from Relobj. + (Object::do_get_incremental_reloc_base): New function. + (Object::do_get_incremental_reloc_count): New function. + (Object::Object): Initialize new data members. + (Relobj::output_section): Renamed do_output_section and moved to + protected. + (Relobj::output_section_offset): Moved to Object. + (Relobj::do_get_incremental_reloc_base): New function. + (Relobj::do_get_incremental_reloc_count): New function. + (Relobj::allocate_incremental_reloc_counts): New function. + (Relobj::count_incremental_reloc): New function. + (Relobj::finalize_incremental_relocs): New function. + (Relobj::next_incremental_reloc_index): New function. + (Relobj::reloc_counts_): New data member. + (Relobj::reloc_bases_): New data member. + (Sized_relobj::do_relocate_sections): Add parameter. Change caller. + (Sized_relobj::relocate_sections): Add parameter. Change all callers. + (Sized_relobj::incremental_relocs_scan): New function. + (Sized_relobj::incremental_relocs_scan_reltype): New function. + (Sized_relobj::incremental_relocs_write): New function. + (Sized_relobj::incremental_relocs_write_reltype): New function. + * plugin.cc (Plugin_manager::add_input_file): Rewrite test for + incremental link. + * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of + archives and object files elsewhere. + (Add_symbols::run): Report object files here. + (Finish_group::run): Report end of archive at end of group. + * reloc.cc: Include layout.h, incremental.h. + (Sized_relobj::do_read_relocs): Need relocations for incremental link. + (Sized_relobj::do_scan_relocs): Record relocations for incremental link. + (Sized_relobj::incremental_relocs_scan): New function. + (Sized_relobj::incremental_relocs_scan_reltype): New function. + (Sized_relobj::do_relocate_sections): Write incremental relocations. + (Sized_relobj::incremental_relocs_write): New function. + (Sized_relobj::incremental_relocs_write_reltype): New function. + * script.cc (read_input_script): Rewrite test for incremental link. + Change call to Incremental_inputs::report_script. + * symtab.h (Symbol_table::first_global_index): New function. + (Symbol_table::output_count): New function. + +2010-08-12 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::merge_object_attributes): Check command line + options --no-wchar-size-warning and --no-enum-size-warning. + * options.h (General_options): Add ld-compatible options + --no-enum-size-warning and --no-wchar-size-warning. + +2010-08-04 Ian Lance Taylor <iant@google.com> + + * x86_64.cc (Target_x86_64::Scan::local): Use + R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and + R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY. + (Target_x86_64::Scan::global): Likewise. + (Target_x86_64::Relocate::relocate): Likewise. + (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2010-08-03 Cary Coutant <ccoutant@google.com> + + * merge.cc (Output_merge_string::do_add_input_section): Count strings + to reserve space in merged_strings vector. Keep total input size + for stats. + (Output_merge_string::do_print_merge_stats): Print total input size. + * merge.h (Output_merge_string): Add input_size_ field. + * stringpool.cc (Stringpool_template::string_length): Move + implementations out of Stringpool_template class and place in + stringpool.h. + * stringpool.h (string_length): Move out of Stringpool_template. + +2010-08-03 Ian Lance Taylor <iant@google.com> + + PR 11712 + * layout.cc (relaxation_loop_body): If address of load segment is + set, adjust address to include headers if possible. + +2010-08-03 Ian Lance Taylor <iant@google.com> + + * version.cc (version_string): Bump to 1.10. + +2010-08-03 Ian Lance Taylor <iant@google.com> + + PR 11805 + * layout.h (enum Output_section_order): Define. + (class Layout): Update declarations. + * layout.cc (Layout::get_output_section): Add order parameter. + Remove is_interp, is_dynamic_linker_section, is_last_relro, and + is_first_non_relro parameters. Change all callers. + (Layout::choose_output_section): Likewise. + (Layout::add_output_section_data): Likewise. + (Layout::make_output_section): Likewise. Set order. + (Layout::default_section_order): New function. + (Layout::layout_eh_frame): Call add_output_section_to_nonload. + * output.cc (Output_section::Output_section): Initialize order_. + Don't initialize deleted fields. + (Output_segment::Output_segment): Don't initialize deleted + fields. + (Output_segment::add_output_section_to_load): New function + replacing add_output_section. Change all callers to call this or + add_output_section_to_nonload. + (Output_segment::add_output_section_to_nonload): New function. + (Output_segment::remove_output_section): Rewrite. + (Output_segment::add_initial_output_data): Likewise. + (Output_segment::has_any_data_sections): Likewise. + (Output_segment::is_first_section_relro): Likewise. + (Output_segment::maximum_alignment): Likewise. + (Output_segment::has_dynamic_reloc): New function replacing + dynamic_reloc_count. Change all callers. + (Output_segment::has_dynamic_reloc_list): New function replacing + dynamic_reloc_count_list. Change all callers. + (Output_segment::set_section_addresses): Rewrite. + (Output_segment::set_offset): Rewrite. + (Output_segment::find_first_and_last_list): Remove. + (Output_segment::set_tls_offsets): Rewrite. + (Output_segment::first_section_load_address): Likewise. + (Output_segment::output_section_count): Likewise. + (Output_segment::section_with_lowest_load_address): Likewise. + (Output_segment::write_section_headers): Likewise. + (Output_segment::print_sections_to_map): Likewise. + * output.h (class Output_data): Remove dynamic_reloc_count_ + field. Add has_dynamic_reloc_ field. Make bools into bitfields. + (Output_data::add_dynamic_reloc): Rewrite. + (Output_data::has_dynamic_reloc): New function. + (Output_data::dynamic_reloc_count): Remove. + (class Output_section): Add order_ field. Remvoe is_relro_local_, + is_last_relro_, is_first_non_relro_, is_interp_, + is_dynamic_linker_section_ fields. Add order and set_order + functions. Remove is_relro_local, set_is_relro_local, + is_last_relro, set_is_last_relro, is_first_non_relro, + set_is_first_non_relro functions, is_interp, set_is_interp, + is_dynamic_linker_section, and set_is_dynamic_linker_section + functions. + (class Output_segment): Change Output_data_list from std::list to + std:;vector. Add output_lists_ field. Remove output_data_ and + output_bss_ fields. Update declarations. + +2010-08-02 Ian Lance Taylor <iant@google.com> + + * arm.cc (Target_arm::gc_process_relocs): Use typename. + * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise. + * sparc.cc (Target_sparc::gc_process_relocs): Likewise. + +2010-08-02 Ian Lance Taylor <iant@google.com> + + PR 11855 + * script.cc (Script_options::Script_options): Initialize + symbol_definitions_ and symbol_references_. + (Script_options::add_symbol_assignment): Update + symbol_definitions_ and symbol_references_. + (Script_options::add_symbol_reference): New function. + (script_symbol): New function. + * script.h (class Script_options): Add symbol_definitions_ and + symbol_references_ fields. + (Script_options::referenced_const_iterator): New type. + (Script_options::referenced_begin): New function. + (Script_options::referenced_end): New function. + (Script_options::is_referenced): New function. + (Script_options::any_unreferenced): New function. + * script-c.h (script_symbol): Declare. + * yyscript.y (exp): Call script_symbol. + * symtab.cc: Include "script.h". + (Symbol_table::gc_mark_undef_symbols): Add layout parameter. + Change all callers. Check symbols referenced by scripts. + (Symbol_table::add_undefined_symbols_from_command_line): Add + layout parameter. Change all callers. + (Symbol_table::do_add_undefined_symbols_from_command_line): + Likewise. Break out loop body. Check symbols referenced by + scripts. + (Symbol_table::add_undefined_symbol_from_command_line): New + function broken out of + do_add_undefined_symbols_from_command_line. + * symtab.h (class Symbol_table): Update declarations. + * archive.cc: Include "layout.h". + (Archive::should_include_member): Add layout parameter. Change + all callers. Check for symbol mentioned in expression. + * archive.h (class Archive): Update declaration. + * object.cc (Sized_relobj::do_should_include_member): Add layout + parameter. + * object.h (Object::should_include_member): Add layout parameter. + Change all callers. + (Object::do_should_include_member): Add layout parameter. + (class Sized_relobj): Update declaration. + * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout + parameter. + * dynobj.h (class Sized_dynobj): Update declaration. + * plugin.cc (Sized_pluginobj::do_should_include_member): Add + layout parameter. + * plugin.h (class Sized_pluginobj): Update declaration. + +2010-08-02 Ian Lance Taylor <iant@google.com> + + PR 11866 + * output.cc (Output_segment::set_offset): Search for the first and + last sections rather than assuming that the list is in order. + (Output_segment::find_first_and_last_list): New function. + * output.h (class Output_segment): Update declarations. + * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test. + (relro_strip_test_SOURCES): New variable. + (relro_strip_test_DEPENDENCIES): New variable. + (relro_strip_test_LDFLAGS): New variable. + (relro_strip_test_LDADD): New variable. + (relro_strip_test.so): New target. + +2010-08-02 Ian Lance Taylor <iant@google.com> + + * i386.cc (class Target_i386): Add got_tlsdesc_ field. + (Target_i386::Target_i386):: Initialize got_tlsdesc_. + (Target_i386::got_tlsdesc_section): New function. + (Target_i386::got_section): Create space for GOT entries for + TLSDESC relocations. + (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized + R_386_TLS_GOTDESC. + (Target_i386::Scan::global): Likewise. + (Target_i386::Relocate::relocate_tls): Adjust GOT offset when + using TLSDESC GOT. + * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field. + (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_. + (Target_x86_64::got_tlsdesc_section): New function. + (Target_x86_64::got_section): Create space for GOT entries for + TLSDESC relocations. + (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized + R_386_TLS_GOTDESC. + (Target_x86_64::Scan::global): Likewise. + (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when + using TLSDESC GOT. + +2010-08-02 Ian Lance Taylor <iant@google.com> + + * testsuite/final_layout.sh: Use dc to convert from hex to + decimal. + +2010-07-29 Sriraman Tallam <tmsriram@google.com> + + * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template + paramter to the call to gold::gc_process_relocs. + * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template + paramter to the call to gold::gc_process_relocs. + * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template + parameter to the call to gold::gc_process_relocs. + * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add + template parameter to the call to gold::gc_process_relocs. + * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template + paramter to the call to gold::gc_process_relocs. + * gc.h (get_embedded_addend_size): New function. + (gc_process_relocs): Save the size of the reloc for use by ICF. + * icf.cc (get_section_contents): Get the addend from the text section + for SHT_REL relocation sections. + * icf.h (Icf::Reloc_addend_size_info): New typedef. + (Icf::Reloc_info): Add new member reloc_addend_size_info. + * int_encoding.h (read_from_pointer): New overloaded function. + * testsuite/Makefile.am (icf_sht_rel_addend_test): New test. + * testsuite/icf_sht_rel_addend_test.sh: New file. + * testsuite/icf_sht_rel_addend_test_1.cc: New file. + * testsuite/icf_sht_rel_addend_test_2.cc: New file. + +2010-07-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option. + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2010-07-27 Jeffrey Yasskin <jyasskin@google.com> + + * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior. + * testsuite/debug_msg.cc: Likewise. + * testsuite/odr_violation1.cc + * testsuite/odr_violation2.cc + +2010-07-21 Cary Coutant <ccoutant@google.com> + + * merge.h (Output_merge_string::Merged_string): Remove object, shndx, + string, and length fields. + (Output_merge_string::Merged_strings_list): New type. + (Output_merge_string::Merged_strings_lists): New typedef. + (Output_merge_string): Replace merged_strings_ with + merged_strings_lists_. + * merge.cc (Output_merge_string::do_add_input_section): Allocate new + Merged_strings_list per input object and section. Don't store pointer + to the string. Don't store length with each merged string entry. + (Output_merge_string::finalize_merged_data): Loop over list of merged + strings lists. Recompute length of each merged string. + +2010-07-15 Cary Coutant <ccoutant@google.com> + + * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from + here. + +2010-07-14 Ian Lance Taylor <iant@google.com> + + * descriptors.cc (Descriptors::open): Report correct name in error + message. + +2010-07-13 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_input_section::Arm_input_section): For a + SHT_ARM_EXIDX section, always keeps the input sections. + (Arm_input_section::set_exidx_section_link): New method. + (Arm_exidx_input_section::Arm_exidx_input_section): Initialize + has_errors_ to false. + (Arm_exidx_input_section::has_errors, + Arm_exidx_input_section::set_has_errors): New methods. + (Arm_exidx_input_section::has_errors_): New data member. + (Arm_relobj::get_exidx_shndx_list): New method. + (Arm_output_section::append_text_sections_to_list): Do not skip + section without SHF_EXECINSTR. + (Arm_output_section::fix_exidx_coverage): Skip input sections with + errors. + (Arm_relobj::make_exidx_input_section): Add new parameter for text + section header. Make error messages more verbose. Check for + a non-executable section linked to an EXIDX section. + (Arm_relobj::do_read_symbols): Remove error checking, which has been + moved to Arm_relobj::make_exidx_input_section. Add an assertion to + check that there is no deferred EXIDX section if we exit early. + Instead of not making an EXIDX section in case of an error, make one + and set the has_errors flag of it. + (Target_arm::do_finalize_sections): Fix up links of EXIDX sections + in a relocatable link. + (Target_arm::do_relax): Look for the EXIDX output section instead of + assuming that it is called .ARM.exidx. + (Target_arm::fix_exidx_coverage): Add a new parameter for input + section list. Do not check for SHF_EXECINSTR section flags but + skip any input section with errors. + * output.cc (Output_section::Output_section): Initialize + always_keeps_input_sections_ to false. + (Output_section::add_input_section): Check for + always_keeps_input_sections_. + * output.h (Output_section::always_keeps_input_sections, + Output_section::set_always_keeps_input_sections): New methods. + (Output_section::always_keeps_input_sections): New data member. + +2010-07-13 Rafael Espindola <espindola@google.com> + + * fileread.cc (try_extra_search_path, find_file): Move to Input_file. + * fileread.h (Input_file): Add try_extra_search_path and find_file. + +2010-07-13 Philip Herron <herron.philip@googlemail.com> + Ian Lance Taylor <iant@google.com> + + * output.h (Output_section_lookup_maps::add_merge_section): + Correct check of whether value was inserted. + (Output_section_lookup_maps::add_merge_input_section): Likewise. + (Output_section_lookup_maps::add_relaxed_input_section): + Likewise. + * arm.cc (Target_arm::got_section): Remove used local os. + * i386.cc (Target_i386::got_section): Likewise. + * x86_64.cc (Target_x86_64::got_section): Likewise. + * sparc.cc (Target_sparc::got_section): Likewise. + (Target_sparc::relocate): Remove unused local have_got_offset. + * powerpc.cc (Target_powerpc::relocate): Likewise. + +2010-07-13 Ian Lance Taylor <iant@google.com> + + * compressed_output.cc (zlib_decompress): Fix signature in + !HAVE_ZLIB_H case. + + * archive.cc (Archive::include_member): Unlock an external member + of a thin archive. Don't bother to delete an object we know is + NULL. + +2010-07-12 Cary Coutant <ccoutant@google.com> + + * compressed_output.cc (zlib_decompress): New function. + (get_uncompressed_size): New function. + (decompress_input_section): New function. + * compressed_output.h (get_uncompressed_size): New function. + (decompress_input_section): New function. + * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info) + Handle compressed debug sections. + * layout.cc (is_compressed_debug_section): New function. + (Layout::output_section_name): Map compressed section names to + canonical names. + * layout.h (is_compressed_debug_section): New function. + (is_debug_info_section): Recognize compressed debug sections. + * merge.cc: Include compressed_output.h. + (Output_merge_data::do_add_input_section): Handle compressed + debug sections. + (Output_merge_string::do_add_input_section): Handle compressed + debug sections. + * object.cc: Include compressed_output.h. + (Sized_relobj::Sized_relobj): Initialize new data members. + (build_compressed_section_map): New function. + (Sized_relobj::do_read_symbols): Handle compressed debug sections. + * object.h (Object::section_is_compressed): New method. + (Object::do_section_is_compressed): New method. + (Sized_relobj::Compressed_section_map): New type. + (Sized_relobj::do_section_is_compressed): New method. + (Sized_relobj::compressed_sections_): New data member. + * output.cc (Output_section::add_input_section): Handle compressed + debug sections. + * reloc.cc: Include compressed_output.h. + (Sized_relobj::write_sections): Handle compressed debug sections. + +2010-07-08 Cary Coutant <ccoutant@google.com> + + * resolve.cc (Symbol_table::resolve): Remember whether undef was + weak when resolving to a dynamic def. + (Symbol_table::should_override): Add adjust_dyndef flag; set it + for weak undef/dynamic def cases. Adjust callers. + * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and + undef_binding_weak_. + (Symbol_table::sized_write_globals): Adjust symbol binding. + (Symbol_table::sized_write_symbol): Add binding parameter. + * symtab.h (Symbol::set_undef_binding): New method. + (Symbol::is_undef_binding_weak): New method. + (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members. + (Symbol_table::should_override): Add new parameter. + (Symbol_table::sized_write_symbol): Add new parameter. + + * testsuite/weak_undef_file1.cc: Add new test case. + * testsuite/weak_undef_file2.cc: Fix header comment. + * testsuite/weak_undef_test.cc: Add new test case. + +2010-06-29 Doug Kwan <dougkwan@google.com> + + * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property): + Initialize USE_SYMBOL_. + * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method + definition. + (Arm_reloc_property::uses_symbol_): New data member declaration. + * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation + uses symbol value and symbol is undefined but not weakly undefined. + +2010-06-28 Rafael Espindola <espindola@google.com> + + * plugin.cc (Plugin::load): Use dlerror. + +2010-06-26 Jeffrey Yaskin <jyasskin@google.com> + + * symtab.cc (detect_odr_violations): When reporting an ODR + violation, report an object where the symbol is defined. + +2010-06-25 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::can_check_for_functions_pointers): Return true. + (Target_arm::section_may_have_icf_unsafe_pointers): New method + definition. + (Target_arm::Scan::local_reloc_may_be_function_pointer, + Target_arm::Scan::global_reloc_may_be_function_pointer): Implement + target hook to detect function points. + (Target_arm::Scan::possible_function_pointer_reloc): New method. + * icf.h (Icf::check_section_for_function_pointers): Change type of + parameter SECTION_NAME to const reference to std::string. Use + target hook to determine if section may have unsafe pointers. + * target.h (Target::section_may_have_icf_unsafe_pointers): New + method definition. + +2010-06-21 Rafael Espindola <espindola@google.com> + + * fileread.cc (Input_file::find_fie): New + (Input_file::open): Use Input_file::find_fie. + * fileread.h (Input_file::find_fie): New + * plugin.cc (set_extra_library_path): New. + (Plugin::load): Add set_extra_library_path to the transfer vector. + (Plugin_manager::set_extra_library_path): New. + (Plugin_manager::add_input_file): Use the extra search path if set. + (set_extra_library_path(): New. + * plugin.h (Plugin_manager): Add set_extra_library_path and + extra_search_path_. + +2010-06-19 Cary Coutant <ccoutant@google.com> + + * layout.cc (gdb_sections): Add .debug_types. + (lines_only_debug_sections): Likewise. + +2010-06-18 Rafael Espindola <espindola@google.com> + + * plugin.cc (add_input_file,add_input_library) + (Plugin_manager::add_input_file): Make filename arguments const. + * plugin.h (Plugin_manager::add_input_file): Make filename arguments + const. + +2010-06-16 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_finalize_sections): Do not emit an + .ARM.attributes section if we have not merged any input + attributes sections. + +2010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc: Allow combining objects with no EABI version + information. + +2010-06-15 Rafael Espindola <espindola@google.com> + + * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol. + +2010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * fileread.cc: Only #include <sys/uio.h> if HAVE_READV. + (struct iovec): Correct !HAVE_READV definition. + +2010-06-10 Cary Coutant <ccoutant@google.com> + + * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections. + (Sized_relobj::do_layout_deferred_sections): Do layout for deferred + reloc sections. + * object.h (Sized_relobj::deferred_layout_relocs_): New data member. + + PR 11683 + * symtab.h (Symbol::is_placeholder): New member function. + * target-reloc.h (relocate_section): Check for placeholder symbols. + + * testsuite/Makefile.am (plugin_test_8): New test. + (plugin_test_9): New test. + * testsuite/Makefile.in: Regenerate. + +2010-06-09 Nick Clifton <nickc@redhat.com> + + * yyscript.y (input_list_element): Allow strings prefixed with + the '-' character. Treat these as libraries. + * script.cc (script_add_library): New function. Adds a library + specified by "-l<name>" found in an input script. + * script-c.h: Add prototype for script_add_library. + +2010-06-07 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_relax): Reserve more space for stubs. + Restrict stub-group size to be within long conditional branch + range when working around cortex-A8 erratum. + +2010-06-07 Damien Diederen <dd@crosstwine.com> + + * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct + #ifdef typo. + +2010-06-03 Sriraman Tallam <tmsriram@google.com> + + PR gold/11658 + * output.cc + (Output_section::Input_section_sort_entry::compare_section_ordering): + Change to return non-zero correctly. + (Output_section::Input_section_sort_section_order_index_compare + ::operator()): Change to fix ambiguity in comparisons. + +2010-06-01 Sriraman Tallam <tmsriram@google.com> + + * gold.h (is_wildcard_string): New function. + * layout.cc (Layout::layout): Pass this pointer to add_input_section. + (Layout::layout_eh_frame): Ditto. + (Layout::find_section_order_index): New method. + (Layout::read_layout_from_file): New method. + * layout.h (Layout::find_section_order_index): New method. + (Layout::read_layout_from_file): New method. + (Layout::input_section_position_): New private member. + (Layout::input_section_glob_): New private member. + * main.cc (main): Call read_layout_from_file here. + * options.h (--section-ordering-file): New option. + * output.cc (Output_section::input_section_order_specified_): New + member. + (Output_section::Output_section): Initialize new member. + (Output_section::add_input_section): Add new parameter. + Keep input sections when --section-ordering-file is used. + (Output_section::set_final_data_size): Sort input sections when + section ordering file is specified. + (Output_section::Input_section_sort_entry): Add new parameter. + Check sorting type. + (Output_section::Input_section_sort_entry::compare_section_ordering): + New method. + (Output_section::Input_section_sort_compare::operator()): Change to + consider section_order_index. + (Output_section::Input_section_sort_init_fini_compare::operator()): + Change to consider section_order_index. + (Output_section::Input_section_sort_section_order_index_compare + ::operator()): New method. + (Output_section::sort_attached_input_sections): Change to sort + according to section order when specified. + (Output_section::add_input_section<32, true>): Add new parameter. + (Output_section::add_input_section<64, true>): Add new parameter. + (Output_section::add_input_section<32, false>): Add new parameter. + (Output_section::add_input_section<64, false>): Add new parameter. + * output.h (Output_section::add_input_section): Add new parameter. + (Output_section::input_section_order_specified): New + method. + (Output_section::set_input_section_order_specified): New method. + (Input_section::Input_section): Initialize section_order_index_. + (Input_section::section_order_index): New method. + (Input_section::set_section_order_index): New method. + (Input_section::section_order_index_): New member. + (Input_section::Input_section_sort_section_order_index_compare): New + struct. + (Output_section::input_section_order_specified_): New member. + * script-sections.cc (is_wildcard_string): Delete and move modified + method to gold.h. + (Output_section_element_input::Output_section_element_input): Modify + call to is_wildcard_string. + (Output_section_element_input::Input_section_pattern + ::Input_section_pattern): Ditto. + (Output_section_element_input::Output_section_element_input): Ditto. + * testsuite/Makefile.am (final_layout): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/final_layout.cc: New file. + * testsuite/final_layout.sh: New file. + +2010-06-01 Rafael Espindola <espindola@google.com> + + * plugin.cc (Plugin::load): Pass the output name to the plugin. + +2010-06-01 Rafael Espindola <espindola@google.com> + + * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the + visibility of symbols. + +2010-05-27 Doug Kwan <dougkwan@google.com> + + * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset + from start of output section instead of address for a local symbol + in a merged or relaxed section when doing a relocatable link. + +2010-05-26 Rafael Espindola <espindola@google.com> + + PR 11604 + * object.cc(Sized_relobj::do_layout_deferred_sections): Avoid + adding sections the garbage collector removed. + * testsuite/Makefile.am: Add test. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test_7.sh: New. + * testsuite/plugin_test_7_1.c: New. + * testsuite/plugin_test_7_2.c: New. + +2010-05-26 Rafael Espindola <espindola@google.com> + + * script-sections.cc (Output_section_definition::set_section_addresses): + Check for --section-start. + +2010-05-26 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_scan_relocatable_relocs): New class. + (Target_arm::relocate_special_relocatable): New method. + (Arm_relocate_functions::arm_branch_common): Handle relocatable link. + (Arm_relocate_functions::thumb_branch_common): Same. + (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs + instead of Default_scan_relocatable_relocs. + * target-reloc.h (relocate_for_relocatable): Let target handle + relocation strategy Relocatable_relocs::RELOC_SPECIAL. + * target.h (Sized_target::relocate_special_relocatable): New method. + +2010-05-25 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined. + +2010-05-23 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_input_section::do_output_offset): Use convert_types + instead of a cast. + (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch + with a direct branch, not a conditional branch, to a stub. + * merge.cc (Output_merge_base::record_input_section): New method + defintion. + (Output_merge_data::do_add_input_section): Record input section if + keeps-input-sections flag is set. + (Output_merge_string::do_add_input_section): Ditto. + * merge.h (Output_merge_base::Output_merge_base): Initialize new data + members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and + INPUT_SECTIONS_. + (Output_merge_base::keeps_input_sections, + Output_merge_base::set_keeps_input_sections, + Output_merge_base::first_relobj, Output_merge_base::first_shndx): New + method definitions. + (Output_merge_base::Input_sections): New type declaration. + (Output_merge_base::input_sections_begin, + Output_merge_base::input_sections_end, + Output_merge_base::do_set_keeps_input_sections): New method definitions. + (Output_merge_base::bool keeps_input_sections_, + Output_merge_base::first_relobj_, Output_merge_base::first_shndx_, + Output_merge_base::input_sections_): New data members. + (Output_merge_data::do_set_keeps_input_sections): New method + defintion. + (Output_merge_string::do_set_keeps_input_sections): Ditto. + * output.cc (Output_section::Input_section::relobj): Move method + defintion from class declaration to here and handle merge sections. + (Output_section::Input_section::shndx): Ditto. + (Output_section::Output_section): Remove initializations of removed + data members and initialize new data member LOOKUP_MAPS_. + (Output_section::add_input_section): Set keeps-input-sections flag + for a newly created merge output section as appropriate. Adjust code + to use Output_section_lookup_maps class. + (Output_section::add_relaxed_input_section): Adjst code for lookup + maps code refactoring. + (Output_section::add_merge_input_section): Add a new parameter + KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps + class. If adding input section to a newly created merge output + section fails, remove the new merge section. + (Output_section::convert_input_sections_in_list_to_relaxed_input_sections): + Adjust code for use of the Output_section_lookup_maps class. + (Output_section::find_merge_section): Ditto. + (Output_section::build_lookup_maps): New method defintion. + (Output_section::find_relaxed_input_section): Adjust code to use + Output_section_lookup_maps class. + (Output_section::get_input_sections): Export merge sections. Adjust + code to use Output_section_lookup_maps class. + (Output_section:::add_script_input_section): Adjust code to use + Output_section_lookup_maps class. Update lookup maps for merge + sections also. + (Output_section::discard_states): Use Output_section_lookup_maps. + (Output_section::restore_states): Same. + * output.h (Merge_section_properties): Move class defintion out of + Output_section. + (Output_section_lookup_maps): New class. + (Output_section::Input_section::is_merge_section): New method + defintion. + (Output_section::Input_section::relobj): Move defintion out of class + defintion. Declare method only. + (Output_section::Input_section::shndx): Ditto. + (Output_section::Input_section::output_merge_base): New method defintion. + (Output_section::Input_section::u2_.pomb): New union field. + (Output_section::Merge_section_by_properties_map, + Output_section::Output_section_data_by_input_section_map, + Output_section::Ouptut_relaxed_input_section_by_input_section_map): + Remove types. + (Output_section::add_merge_input_section): Add new parameter + KEEPS_INPUT_SECTIONS. + (Output_section::build_lookup_maps): New method declaration. + (Output_section::merge_section_map_, + Output_section::merge_section_by_properties_map_, + Output_section::relaxed_input_section_map_, + Output_section::is_relaxed_input_section_map_valid_): Remove data + members. + (Output_section::lookup_maps_): New data member. + +2010-05-21 Doug Kwan <dougkwan@google.com> + + PR gold/11619 + * arm.cc (Arm_input_section::do_output_offset): Add a cast to + avoid a compilation error. + +2010-05-19 Rafael Espindola <espindola@google.com> + + * script-sections.cc (Output_section_definition::allocate_to_segment): + Update the phdrs_list even when the output section is NULL. + * testsuite/Makefile.am: Add test. + * testsuite/Makefile.in: Regenerate. + * testsuite/script_test_9.cc: New. + * testsuite/script_test_9.sh: New. + * testsuite/script_test_9.t: New. + +2010-05-19 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_input_section::original_size): New method. + (Arm_input_section::do_addralign): Add a cast. + (Arm_input_section::do_output_offset): Remove static cast. + (Arm_input_section::original_addralign, + Arm_input_section::original_size_): Change type to uint32_t. + (Arm_input_section::init): Add safe casts for section alignment + and size. + (Arm_input_section::set_final_data_size): Do not set address and + offset of stub table. + (Arm_output_section::fix_exidx_coverage): Change use of of + Output_section::Simple_input_section to that of + Output_section::Input_section. + (Target_arm::do_relax): Set addresses and file offsets of Stub_tables + except for the first pass. + * output.cc (Output_section::get_input_sections): Change type of + input_sections to std::list<Input_section>. + (Output_section::add_script_input_section): Rename from + Output_section::add_simple_input_section. Change type of SIS + parameter from Simple_input_section to Input_section. + * output.h (Output_section::Simple_input_section): Remove class. + (Output_section::Input_section): Change class visibility to public. + (Output_section::Input_section::addralign): Use stored alignments + for special input sections if set. + (Output_section::Input_section::set_addralign): New method. + (Output_section::get_input_sections): Change parameter type from + list of Simple_input_section to list of Input_section. + (Output_section::add_script_input_section): Rename from + Output_section::add_simple_input_section. Change first parameter's + type from Simple_input_section to Input_section and remove the + second and third parameters. + * script-sections.cc (Input_section::Input_section_list): Change + type to list of Output_section::Input_section/ + (Input_section_info::Input_section_info): Change parameter type of + INPUT_SECTION to Output_section::Input_section. + (Input_section_info::input_section): Change return type. + (Input_section_info::input_section_): Change type to + Output_section::Input_section. + (Output_section_element_input::set_section_addresses): Adjust code + to use Output_section::Input_section instead of + Output_section::Simple_input_section. Adjust code for renaming + of Output_section::add_simple_input_section. + (Orphan_output_section::set_section_addresses): Ditto. + +2010-05-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * gold.h (Unordered_multimap, Unordered_map): Fix defines for + when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set. + +2010-05-18 Rafael Espindola <espindola@google.com> + + * options.cc (General_options::finalize): Handle -nostdlib. + * options.h (nostdlib): New option. + * script.cc (script_add_search_dir): Handle -nostdlib. + +2010-05-12 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_finalize_sections): Create an empty + attributes section only if there no attributes section after merging. + (Target_arm::merge_object_attributes): Move value of + Tag_MPextension_use_legacy to that of Tag_MPextension_use. + Handle Tag_DIV_use and Tag_MPextension_use_legacy. + * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh + (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout + and arm_attr_merge_7.stdout. + (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o + arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r, + arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o, + arm_attr_merge_7b.o): New rules. + (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and + arm_attr_merge_7 + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_attr_merge.sh: New file. + * testsuite/arm_attr_merge_[67][ab].s: Same. + +2010-05-05 Nick Clifton <nickc@redhat.com> + + * po/es.po: Updated Spanish translation. + +2010-04-27 H.J. Lu <hongjiu.lu@intel.com> + + * Makefile.am (install-exec-local): Properly install gold as + default cross linker. + * Makefile.in: Regenerated. + +2010-04-27 H.J. Lu <hongjiu.lu@intel.com> + Nick Clifton <nickc@redhat.com> + + * configure.ac (install_as_default): Define and set to false + unless --enable-gold or --enable-gold=both/gold has been + specified. + * configure: Regenerate. + + * Makefile.am (install-exec-local): Install the executable as + 'ld.gold'. If install_as_default is true then also install it as + 'ld'. + * Makefile.in: Regenerated. + +2010-04-24 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::layout_reloc): In relocatable link don't + combine reloc sections for grouped sections. + +2010-04-23 Sriraman Tallam <tmsriram@google.com> + + * gc.h (gc_process_relocs): Pass information on relocs pointing to + sections that are not ordinary to icf. + * icf.cc (get_section_contents): Handle relocation pointing to section + with no object or shndx information. + * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh + * testsuite/Makefile.in: Regenerate. + * testsuite/icf_virtual_function_folding_test.cc: Remove printf. + * testsuite/icf_virtual_function_folding_test.sh: Delete file. + +2010-04-22 Ian Lance Taylor <iant@google.com> + + * expression.cc (Expression::Expression_eval_info): Add + result_alignment_pointer field. + (Expression::eval_with_dot): Add result_alignment_pointer + parameter. Change all callers. + (Expression::eval_maybe_dot): Likewise. + (class Binary_expression): Add alignment_pointer parameter to + left_value and right_value. Change all callers. + (BINARY_EXPRESSION): Set result alignment. + (class Trinary_expression): Add alignment_pointer parameter to + arg2_value and arg3_value. Change all callers. + (Trinary_cond::value): Set result alignment. + (Max_expression::value, Min_expression::value): Likewise. + (Align_expression::value): Likewise. + * script-sections.cc (class Sections_element): Add dot_alignment + parameter to set_section_addresses virtual function. Update + instantiations. + (class Output_section_element): Likewise. + (Script_sections::create_segments): Add dot_alignment parameter. + Change all callers. + (Script_sections::create_segments_from_phdrs_clause): Likewise. + (Script_sections::set_phdrs_clause_addresses): Likewise. + * script-sections.h: Update declarations. + * script.h: Update declarations. + * output.h (Output_segment::set_minimum_p_align): Don't decrease + min_p_align. + * testsuite/script_test_3.t: Set large alignment. + * testsuite/script_test_3.sh: Make sure that at least one LOAD + segment has expected alignment. + +2010-04-22 Nick Clifton <nickc@redhat.com> + + * po/gold.pot: Updated by the Translation project. + * po/vi.po: Updated Vietnamese translation. + +2010-04-22 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (check_PROGRAMS): Add + icf_virtual_function_folding_test. + * testsuite/Makefile.in: Regenerated. + +2010-04-15 Andrew Haley <aph@redhat.com> + + * options.h (merge_exidx_entries): New option. + * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries. + (class Arm_exidx_fixup::merge_exidx_entries_): New member. + (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries. + (Target_arm::merge_exidx_entries): New function. + (process_exidx_entry): Don't merge if merge_exidx_entries_ is false. + (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries + to Arm_exidx_fixup constructor. + Add new arg, merge_exidx_entries. + (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to + Arm_output_section::fix_exidx_coverage. + +2010-04-18 Sriraman Tallam <tmsriram@google.com> + + * icf.cc (get_section_contents): Check for preemptible functions. + Ignore addend when appropriate. + * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for + section folded. + (add_from_relobj): Check for section folded. + (set_dynsym_indexes): Fix call to should_add_dynsym_entry. + * symtab.h (should_add_dynsym_entry): Add new parameter. + * target-reloc.h (scan_relocs): Check for section folded. + * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc): + Check reloc types for function pointers in shared objects. + * testsuite/Makefile.am (icf_virtual_function_folding_test): New test + case. + (icf_preemptible_functions_test): New test case. + (icf_string_merge_test): New test case. + * testsuite.Makefile.in: Regenerate. + * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and + bar_glob. Refactor code. + * testsuite/icf_preemptible_functions_test.cc: New file. + * testsuite/icf_preemptible_functions_test.sh: New file. + * testsuite/icf_string_merge_test.cc: New file. + * testsuite/icf_string_merge_test.sh: New file. + * testsuite/icf_virtual_function_folding_test.cc: New file. + * testsuite/icf_virtual_function_folding_test.sh: New file. + +2010-04-14 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object + for local symbol recounting if we remove a section due to ICF. + * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if + there are no regular objects in input. + +2010-04-13 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_input_section::set_final_data_size): Compute + accurate final data size instead of using current data size. + +2010-04-09 Doug Kwan <dougkwan@google.com> + + * layout.cc (Layout::choose_output_section): Handle script section + types. + (Layout::make_output_section_for_script): Add section type parameter. + Handle script section types. + * layout.h (Layout::make_output_section_for_script): Add section + type parameter. + * output.cc (Output_section::Output_section): Initialize data member + is_noload_. + (Output_section::do_reset_address_and_file_offset): Do not set address + to 0 if section is a NOLOAD section. + * output.h (Output_section::is_noload): New method. + (Output_section::set_is_noload): Ditto. + (Output_section::is_noload_): New data member. + * script-c.h (Script_section_type): New enum type. + (struct Parser_output_section_header): Add new file section_type. + * script-sections.cc (Sections_element::output_section_name): Add + parameter for returning script section type. + (Output_section_definition::output_section_name): Ditto. + (Output_section_definition::section_type)P; New method. + (Output_section_definiton::script_section_type_name): Ditto. + (Output_section_definition::script_section_type_): New data member. + (Output_section_definition::Output_section_definition): Initialize + data member Output_section_definition::script_section_type_. + (Output_section_definition::create_sections): Pass script section type + to Layout::make_output_section_for_script. + (Output_section_definition::output_section_name): Return script + section type to caller. + (Output_section_definition::set_section_address): Do not advance + dot value and load address if section type is NOLOAD. Set address + of NOLOAD sections regardless of section flags. + (Output_section_definition::print): Print section type if it is + not SCRIPT_SECTION_TYPE_NONE. + (Output_section_definition::section_type): New method. + (Output_section_definition::script_section_type_name): Ditto. + (Script_sections::output_section_name): Add new parameter + PSECTION_TYPE for returning script section type. Pass it to + section elements. Handle discard sections. + (Sort_output_sections::operator()): Handle NOLOAD sections. + * script-sections.h (Script_sections::Section_type): New enum type. + (Script_sections::output_section_name): Add a new parameter for + returning script section type. + * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT, + INFO and NOLOAD. + * yyscript.y (union): Add new field SECTION_TYPE. + (COPY, DSECT, INFO, NOLOAD): New tokens. + (opt_address_and_section_type): Change type to output_section_header. + (section_type): New non-terminal + (section_header): Handle section type. + (opt_address_and_section_type): Return section type value. + +2010-04-09 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/plugin_common_test_1.c (foo): Add prototype. + * testsuite/plugin_common_test_2.c (foo): Likewise. + +2010-04-08 Doug Kwan <dougkwan@google.com> + + * merge.cc (Output_merge_data::set_final_data_size): Handle empty + Output_merge_data. + * output.cc (Output_section::add_merge_input_section): Simplify + code and return status of Output_merge_base::add_input_section. + Update merge section map only if Output_merge_base::add_input_section + returns true. + +2010-04-07 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn + if section is marked as containing instructions but has no mapping + symbols. + (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get + correct section index. + (Arm_relobj::find_linked_text_section): Ditto. + +2010-04-07 Cary Coutant <ccoutant@google.com> + + * archive.cc (include_member): Destroy Read_symbols_data object before + releasing file. + * object.cc (Read_symbols_data::~Read_symbols_data) New destructor. + * object.h (Read_symbols_data::Read_symbols_data) New constructor. + (Read_symbols_data::~Read_symbols_data) New destructor. + (Section_relocs::Section_relocs) New constructor. + (Section_relocs::~Section_relocs) New destructor. + (Read_relocs_data::Read_relocs_data) New constructor. + (Read_relocs_data::~Read_relocs_data) New destructor. + * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member + pointers to NULL after deleting. + +2010-04-07 Doug Kwan <dougkwan@google.com> + + * arm.cc: Replace "endianity" with "endianness" in comments. + (Arm_exidx_cantunwind): Ditto. + (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures. + (Arm_relobj::merge_flags_and_attributes): New method. + (Arm_relobj::merge_flags_and_attributes_): New data member. + (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting. + (Arm_relobj::scan_sections_for_stubs): Ditto. + (Arm_relobj::do_read_symbols): Check to see if we really want to + merge processor-specific flags and attributes. Exit early if + an object is empty except for section names and the undefined symbol. + (Target_arm::do_finalize_sections): Move check for ELF format to + Arm_relobj::do_read_symbols. Merge processor specific flags and + attributes from a regular object only when we have determined that + it is aapropriate. Do not create an .ARM.attributes section in + output if there is no regular input object. + (Target_arm::merge_processor_specific_flags): Check + --warn-mismatch before printing any error. + (Target_arm::merge_object_attributes): Ditto. + * gold.cc (queue_middle_tasks): Handle the case in which there is + no regular object in input. + * options.cc (General_options::parse_EB): New method. + (General_options::parse_EL): Same. + (General_options::General_options): Initialize endianness_. + * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch): + New options. + (General_options::Endianness): New enum. + (General_options::endianness): New method. + (General_options::endianness_): New data member. + * parameters.cc (Parameters::set_options): Check target endianness. + (Parameters::set_target_once): Ditto. + (Parameters::check_target_endianness): New method. + (parameters_force_valid_target): If either -EL or -EB is specified, + use it to define endianness of default target. + * parameters.h (Parameters::check_target_endianness): New method + declaration. + * target.h (class Target): Change "endianity" to "endianness" + in comments. + +2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist. + * configure: Regenerate. + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2010-04-06 Cary Coutant <ccoutant@google.com> + + gcc PR lto/42757 + * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for + prevailing definitions of common symbols. + * testsuite/plugin_test_6.sh: New test case. + * testsuite/plugin_common_test_1.c: New test case. + * testsuite/plugin_common_test_2.c: New test case. + * testsuite/Makefile.am (plugin_test_6): New test case. + * testsuite/Makefile.in: Regenerate. + +2010-04-06 Nick Clifton <nickc@redhat.com> + + * po/vi.po: New Vietnamese translation. + +2010-03-30 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::using_thumb_only): Handle v6-M + +2010-03-25 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code + to avoid a conversion warning on a 32-bit host. + +2010-03-24 Ian Lance Taylor <iant@google.com> + + * testsuite/script_test_3.t: Add a TLS segment. + * testsuite/Makefile.am (check_PROGRAMS): Add + tls_phdrs_script_test. + (tls_phdrs_script_test_SOURCES): Define. + (tls_phdrs_script_test_DEPENDENCIES): Define. + (tls_phdrs_script_test_LDFLAGS): Define. + (tls_phdrs_script_test_LDADD): Define. + * testsuite/Makefile.in: Rebuild. + +2010-03-23 Cary Coutant <ccoutant@google.com> + + * fileread.cc (find_or_make_view): Fix comment. + +2010-03-23 Ian Lance Taylor <iant@google.com> + + * script-sections.cc (class Orphan_section_placement): Define + PLACE_TLS and PLACE_TLS_BSS. + (Orphan_section_placement::Orphan_section_placement): Initialize + new places. + (Orphan_section_placement::find_place): Handle SHF_TLS sections. + * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test. + (tls_script_test_SOURCES): Define. + (tls_script_test_DEPENDENCIES): Define. + (tls_script_test_LDFLAGS): Define. + (tls_script_test_LDADD): Define. + * testsuite/Makefile.in: Rebuild. + +2010-03-22 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relocate_functions::abs8, + Arm_relocate_functions::abs16): Use correct check for overflow + specified in the ARM ELF specs. + (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch + target of a BLX instruction specially. + (Reloc_stub::stub_type_for_reloc): Ditto. + (Relocate::relocate): Use symbolic names instead of numeric relocation + codes to report error. + (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8 + workaround. + * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout, + thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and + thumb2_blx_out_of_range.stdout + (thumb_bl_out_of_range, thumb_bl_out_of_range.o, + thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices. + (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o, + thumb_blx_out_of_range.stdout, thumb_blx_out_of_range, + thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout, + thumb2_blx_in_range, thumb2_blx_in_range.o, + thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range, + thumb2_blx_out_of_range.o): New rules. + (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range, + thumb2_blx_in_range and thumb2_blx_out_of_range. + * testsuite/Makefile.in: Regenerate. + * arm_branch_in_range.sh: Add tests for THUMB BLX. + * testsuite/thumb_blx_in_range.s: New file. + * testsuite/thumb_blx_out_of_range.s: New file. + +2010-03-22 Rafael Espindola <espindola@google.com> + + * archive.cc (Should_include): Move to archive.h. + (should_include_member): Make it a member of Archive. + (Lib_group): New. + (Add_lib_group_symbols): New. + * archive.h: Include options.h. + (Archive_member): Moved from Archive. + (Should_include): Moved from archive.cc. + (Lib_group): New. + (Add_lib_group_symbols): New. + * dynobj.cc (do_should_include_member): New. + * dynobj.h (do_should_include_member): New. + * gold.cc (queue_initial_tasks): Update call to queue. + * main.cc (main): Print lib group stats. + * object.cc (do_should_include_member): New. + * object.h: Include archive.h. + (Object::should_include_member): New. + (Object::do_should_include_member): New. + (Sized_relobj::do_should_include_member): New. + * options.cc (General_options::parse_start_lib): New. + (General_options::parse_end_lib): New. + (Input_arguments::add_file): Handle lib groups. + (Input_arguments::start_group): Check we are not in a lib. + (Input_arguments::start_lib): New. + (Input_arguments::end_lib): New. + * options.h (General_options): Add start_lib and end_lib. + (Input_argument::lib_): New. + (Input_argument::lib): New. + (Input_argument::is_lib): New. + (Input_file_lib): New. + (Input_arguments::in_lib_): New. + (Input_arguments::in_lib): New. + (Input_arguments::start_lib): New. + (Input_arguments::end_lib_): New. + * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols + in unused members as preempted. + (Sized_pluginobj::do_should_include_member): New. + * plugin.h (Sized_pluginobj::do_should_include_member): New. + * readsyms.cc (Read_symbols::locks): If we are just reading a member, + return the blocker. + (Read_symbols::do_whole_lib_group): New. + (Read_symbols::do_lib_group): New. + (Read_symbols::do_read_symbols): Handle lib groups. + (Read_symbols::get_name): Handle lib groups. + * readsyms.h (Read_symbols): Add an archive member pointer. + (Read_symbols::do_whole_lib_group): New. + (Read_symbols::do_lib_group): New. + (Read_symbols::member_): New. + * script.cc (read_input_script): Update call to queue_soon. + +2010-03-19 Doug Kwan <dougkwan@google.com> + + * arm.cc (Stub_table::Stub_table): Initialize new data members + Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_. + (Stub_table::add_reloc_stub): Assign stub offset and update + Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_. + (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_): + New data members. + (Stub_table::update_data_size_and_addralign): Use + Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_ + instead of going over all reloc stubs. + (Stub_table::finalize_stubs): Do not assign reloc stub offsets. + * stringpool.cc (Stringpool_template::Stringpool_template): Initialize + Stringpool_template::offset_ to size of Stringpool_char. + (Stringpool_template::new_key_offset): Remove code to initialize + Stringpool_template::offset_. + * stringpool.h (Stringpool_template::set_no_zero_null): Set + Stringpool_template::offset_ to zero. + +2010-03-15 Doug Kwan <dougkwan@google.com> + + * stringpool.cc (Stringpool_template::Stringpool_template): Initialize + offset_. + (Stringpool_template::new_key_offset): New method. + (Stringpool_template::add_string): Assign offsets when adding new + strings. + (Stringpool_template::set_string_offsets): Do not set string offsets + when not optimizing. + * stringpool.h (Chunked_vector::Chunked_vector): Initialize data + member size_. + (Chunked_vector::clear): Clear size_. + (Chunked_vector::reserve): Call reserve method of all Element_vectors. + (Chunked_vector::size): Return size_. + (Chunked_vector::push_back): Use size_ to find insert position. + (Chunked_vector::size_): New data member. + (Stringpool_template::set_no_zero_null): Assert string set is empty. + (Stringpool_template::new_key_offset): New method declaration. + (Stringpool_template::offset_): New data member. + +2010-03-15 Rafael Espindola <espindola@google.com> + + * readsyms.cc (Read_symbols::do_read_symbols): Update calls to + Add_symbols' constructor. + * readsyms.h (Add_symbols): Remove the input_group member. + +2010-03-10 Ian Lance Taylor <iant@google.com> + + * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the + target to ask whether a reference to a symbol requires a stack + split. + * target.h (Target::is_call_to_non_split): New function. + (Target::do_is_call_to_non_split): Declare virtual function. + * target.cc: Include "symtab.h". + (Target::do_is_call_to_non_split): New function. + * i386.cc (Target_i386::do_is_call_to_non_split): New function. + +2010-03-10 Cary Coutant <ccoutant@google.com> + + * fileread.cc (File_read::~File_read): Don't delete whole_file_view_. + (File_read::open[1]): Remove initial mapping of whole_file_view_. + (File_read::open[2]): Add whole_file_view_ to list of views. + (File_read::make_view): Remove test of whole_file_view_. + (File_read::find_or_make_view): Create whole_file_view_ if + necessary. + (File_read::clear_views): Replace bool parameter with enum; + adjust all callers. Don't delete views with permanent data; + do delete cached views and views from archives if + --no-keep-files-mapped is set. Set whole_file_view_ to NULL + if clearing the corresponding view. + * fileread.h (File_read::Clear_views_mode): New enum. + (File_read::View::is_permanent_view): New method. + (File_read::clear_views): Replace bool parameter + with enum; adjust all callers. + * options.h (General_options): Change keep_files_mapped option; + add map_whole_files. + * readsyms.cc (Add_symbols::run): Delete sd_ object before + releasing the file. + * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing + the file. + +2010-03-10 David S. Miller <davem@davemloft.net> + + * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30. + +2010-03-09 Sriraman Tallam <tmsriram@google.com> + + * icf.cc (get_section_contents): Add '@' marker after processing the + merge reloc. + +2010-03-08 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage + due to a conversion warning. + (Arm_relobj::update_output_local_symbol_count): Check for local + symbol with unset output index. + +2010-03-05 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Add --spare-dynamic-tags. + * output.cc (Output_data_dynamic::set_final_data_size): Implement + --spare-dynamic-tags. + +2010-03-05 Ian Lance Taylor <iant@google.com> + + * incremental.cc: Include "libiberty.h". + +2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member + function, is_info_ member. + * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_. + (Versions::Versions): Update caller. + (Versions::define_base_version): Likewise. + (Versions::add_def): Likewise. + +2010-03-03 Sriraman Tallam <tmsriram@google.com> + + * i386.cc (Target_i386::can_check_for_function_pointers): New function. + (Scan::possible_function_pointer_reloc): New function. + (Scan::local_reloc_may_be_function_pointer): Change to call + possible_function_pointer_reloc. + (Scan::global_reloc_may_be_function_pointer): Ditto. + * icf.h (Icf::check_section_for_function_pointers): Change to reject + relocations in ".data.rel.ro._ZTV" section. + * testsuite/icf_safe_so_test.sh: Change to pass i386. + * testsuite/icf_safe_so_test.cc: Ditto. + * testsuite/icf_safe_test.cc: Ditto. + * testsuite/icf_safe_test.sh: Ditto. + +2010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com> + Ian Lance Taylor <iant@google.com> + + * target-reloc.h (relocate_section): Check the symbol table index + for -1U before setting the local symbol index. + (scan_relocatable_relocs): If copying the relocation, record that + the local symbol is required. + * object.h (Symbol_value::is_output_symtab_index_set): New + function. + (Symbol_value::may_be_discarded_from_output_symtab): New + function. + (Symbol_value::has_output_symtab_entry): New function. + (Symbol_value::needs_output_symtab_entry): Remove. + (Symbol_value::output_symtab_index): Make sure the symbol index is + set. + (Symbol_value::set_output_symtab_index): Make sure the symbol + index is not set. Make sure the new index is valid. + (Symbol_value::set_must_have_output_symtab_entry): New function. + (Symbol_value::has_output_dynsym_entry): New function. + (Symbol_value::set_output_dynsym_index): Make sure the new index + is valid. + (Sized_relobj::set_must_have_output_symtab_entry): New function. + * object.cc (Sized_relobj::do_count_local_symbols): Only discard a + local symbol if permitted. + (Sized_relobj::do_finalize_local_symbols): Call + is_output_symtab_index_set rather than needs_output_symtab_entry. + (Sized_relobj::write_local_symbols): Call has_output_symtab_entry + rather than needs_output_symtab_entry. Call + has_output_dynsym_entry rather than needs_output_dynsym_entry. + * arm.cc (Arm_relobj::update_output_local_symbol_count): Call + is_output_symtab_index_set rather than needs_output_symtab_entry. + * testsuite/discard_locals_relocatable_test.c: New file. + * testsuite/discard_locals_test.sh: Test -r. + * testsuite/Makefile.am (check_DATA): Add + discard_locals_relocatable_test1.syms, + discard_local_relocatable_test2.syms. + (MOSTLYCLEANFILES): Likewise. Also add + discard_locals_relocatable_test1.lout and + discard_locals_relocatable_test2.out. + (discard_locals_relocatable_test1.syms): New target. + (discard_locals_relocatable_test.o): New target. + (discard_locals_relocatable_test1.out): New target. + (discard_locals_relocatable_test2.syms): New target. + (discard_locals_relocatable_test2.out): New target. + (various): Add missing ../ld-new dependencies. + * testsuite/Makefile.in: Rebuild. + +2010-03-03 Nick Clifton <nickc@redhat.com> + + * po/fi.po: New Finnish translation. + +2010-03-01 Doug Kwan <dougkwan@google.com> + + * layout.cc (Layout::Layout): Force section types of .init_array*, + .preinit_array* and .fini_array* sections. + * output.cc (Output_section::Input_section_sort_entry::has_priority): + Fix check of return value of std::string::find.(). + (Output_section::Input_section_sort_compare::operator()): Remove + comment about .init_array. + (Output_section::Input_section_sort_init_fini_compare::operator()): + New method. + (Output_section::sort_attached_input_sections): Handle .init_array + and .fini_array specially. + * output.h (Output_section::Inut_section_sort_compare): Update + comment. + (Output_section::Input_section_sort_init_fini_compare): New struct. + +2010-02-26 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat + R_ARM_PREL31 and R_ARM_SBREL31 as position independent. + * testsuite/debug_msg.sh: Avoid matching source line number for + use of global variable undef_int. + +2010-02-26 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling + R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs. + (Target_arm::scan_reloc_section_for_stubs): Instead of calling + scan_reloc_for_stub, do all processing of R_ARM_V4BX here. + * options.cc (General_options::General_options): Initialize member + fix_v4bx_. + * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh + (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout + and rm_no_fix_v4bx.stdout + (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o, + arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking, + arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules. + (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking + and arm_no_fix_v4bx. + * Makefile.in: Regenerate. + * testsuite/arm_fix_v4bx.s: New file. + * testsuite/arm_fix_v4bx.sh: Ditto. + +2010-02-24 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::got_section): Make the .got section the first + non RELRO section in the data segment. + * testsuite/script_test_5.sh: Fix match patterns to avoid matching + suffixes of section names. + +2010-02-24 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_finalize_sections): Skip processor specific + flags and attributes merging if an input file is a binary file. + * fileread.cc (Input_file::open): Record format of original file. + * fileread.h (Input_file::Format): New enum type. + (Input_file::Input_file): Initialize data member format_. + (Input_file::format): New method definition. + (Input_file::format_):: New data member. + +2010-02-24 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_output_data_got): New class. + (ARM_TCB_SIZE): New constant + (Target_arm): Use Arm_output_data_got instead of Output_data_got. + (Arm_output_section::fix_exidx_coverage): Add a parameter for layout. + If user uses a script with a SECTIONS clause, issue only a warning + for a misplaced EXIDX input section. Otherwise, issue an error. + (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing + garbage collection. + (Target_arm::got_mode_index_entry): Handle static linking. + (Target_arm::Scan::local): Ditto. + (Target_arm::Scan::global): Ditto. + (Target_arm::Relocate::relocate_tls): Handle static linking. Fix + all incorrectly implemented relocations. + (Target_arm::fix_exidx_coverage): Pass layout to + Arm_output_section::fix_exidx_coverage. + * layout.cc (Layout::section_name_mapping): Remove trailing dots + from ".ARM.exidx." and ".ARM.extab.". + +2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Target_arm::do_finalize_sections): Create attribute + section if it does not already exist. + * attributes.cc (Attributes_section_data::Attributes_section_data): + Don't crash if size is zero. + +2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com> + Ian Lance Taylor <iant@google.com> + + * gold.cc (queue_middle_tasks): If no input files were opened, + exit. + * workqueue.h (Task_function::Task_function): Assert that there is + a blocker. + +2010-02-22 Doug Kwan <dougkwan@google.com> + + * gold-threads.h (Once::~Once): Explicitly define virtual destructor. + * icf.cc (get_section_contents): Cast snprintf arguments to long long + types to avoid warnings due to different uint64_t implementations + on different hosts. + +2010-02-21 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in + handling of the maximum backward branch offset. + (Arm_relocate_functions::thumb_branch_common): Ditto. + * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh. + (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout + thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, + thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout. + (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o, + arm_bl_out_of_range.stdout, arm_bl_out_of_range, + arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range, + thumb_bl_in_range.o, thumb_bl_out_of_range.stdout, + thumb_bl_out_of_range thumb_bl_out_of_range.o, + thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o + thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range, + thumb2_bl_out_of_range.o): New rules. + (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range, + thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and + thumb2_bl_out_of_range + * testsuite/Makefile.in: Regenerate. + * testsuite/arm_bl_in_range.s: New file. + * testsuite/arm_bl_out_of_range.s: Ditto. + * testsuite/arm_branch_in_range.sh: Ditto. + * testsuite/arm_branch_range.t: Ditto. + * testsuite/thumb2_branch_range.t: Ditto. + * testsuite/thumb_bl_in_range.s: Ditto. + * testsuite/thumb_bl_out_of_range.s: Ditto. + * testsuite/thumb_branch_range.t: Ditto. + +2010-02-20 Sriraman Tallam <tmsriram@google.com> + + * gc.h (gc_process_relocs): Change vectors to point to the new list. + Add reloc offset information. + * icf.cc (get_section_contents): Change iterators to point to the new + vectors. Add reloc offset information to the contents. + * icf.h (Icf::Sections_reachable_info): New typedef. + (Icf::Sections_reachable_list): New typedef. + (Icf::Offset_info): New typedef. + (Icf::Reloc_info): New struct typedef. + (Icf::Reloc_info_list): New typedef. + (Icf::symbol_reloc_list): Delete method. + (Icf::addend_reloc_list): Delete method. + (Icf::section_reloc_list): Delete method. + (Icf::reloc_info_list): New method. + (Icf::reloc_info_list_): New member. + +2010-02-19 Doug Kwan <dougkwan@google.com> + + * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32, + R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented. + * arm.cc (Arm_relocation_functions): New forward declaration. + (Target_arm::Target_arm): Initialize new data members + got_mod_index_offset_ and tls_base_symbol_defined_. + (Target_arm::Relocate::relocate_tls): New method. + (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol, + Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section): + New methods. + (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET, + GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC. + (Target_arm::got_mod_index_offset_, + Target_arm::tls_base_symbol_defined_): New data members. + (Target_arm::Scan::local, Target::Scan::global, + Target_arm::Relocate::relocate): Handle 32-bit initial TLS + relocations. + +2010-02-18 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::find_linked_text_section): New method. + (Arm_relobj::make_exidx_input_section): Pass section index of linked + text section as a parameter becuase some broken tools may not set + the link in section header. + (Target_arm::has_got_section): New method. + (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section + without any mapping symbol as data only. Remove warning. + (Arm_relobj::do_read_synbols): If an EXIDX input section has no + link in its section header, try to discover the link by inspecting the + REL31 relocation at the beginning of the section. + (Target_arm::Scan::check_non_pic): Report name of offending relocation + in error message. + (Target_arm::Scan::global): Treat any reference to the symbol + _GLOBAL_OFFSET_TABLE_ as a GOT access. + +2010-02-12 Sriraman Tallam <tmsriram@google.com> + + * arm.cc (Scan::local_reloc_may_be_function_pointer): New function. + (Scan::global_reloc_may_be_function_pointer): New function. + * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function. + (Scan::global_reloc_may_be_function_pointer): New function. + * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function. + (Scan::global_reloc_may_be_function_pointer): New function. + * i386.cc (Scan::local_reloc_may_be_function_pointer): New function. + (Scan::global_reloc_may_be_function_pointer): New function. + * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function. + (Scan::global_reloc_may_be_function_pointer): New function. + (Scan::possible_function_pointer_reloc): New function. + (Target_x86_64::can_check_for_function_pointers): New function. + * gc.h (gc_process_relocs): Scan relocation types to determine if + function pointers were taken for targets that support it. + * icf.cc (Icf::find_identical_sections): Include functions for + folding in safe ICF whose pointer is not taken. + * icf.h (Secn_fptr_taken_set): New typedef. + (fptr_section_id_): New member. + (section_has_function_pointers): New function. + (set_section_has_function_pointers): New function. + (check_section_for_function_pointers): New function. + * options.h: Fix comment for safe ICF option. + * target.h (can_check_for_function_pointers): New function. + * testsuite/Makefile.am: Add icf_safe_so_test test case. + Modify icf_safe_test for X86-64. + * testsuite/Makefile.in: Regenerate. + * testsuite/icf_safe_so_test.cc: New file. + * testsuite/icf_safe_so_test.sh: New file. + * testsuite/icf_safe_test.cc (kept_func_3): New function. + (main): Change to take pointer to function kept_func_3. + * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe + folding is done correctly for X86-64. + +2010-02-12 David S. Miller <davem@davemloft.net> + + * output.h (Output_reloc<SHT_REL>::Output_reloc): Add + is_symbolless parameter. + (Output_reloc<SHT_REL>::is_symbolless): New. + (Output_reloc<SHT_REL>::is_symbolless_): New. + (Output_reloc<SHT_REL>::type_): Decrease to 29 bits. + (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter. + (Output_reloc<SHT_RELA>::is_symbolless): New. + (Output_data_reloc::add_global): Handle is_symbolless. + (Output_data_reloc::add_global_relative): Likewise. + (Output_data_reloc::add_local): Likewise. + (Output_data_reloc::add_local_relative): Likewise. + (Output_data_reloc::add_symbolless_global_addend): New. + (Output_data_reloc::add_symbolless_local_addend): New. + * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle + is_symbolless. + (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_ + instead of ->is_relative_ + (Output_reloc::write): Likewise. + (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_ + (Output_reloc::write_rel): Simplify. + + * sparc.cc (Target_sparc::Scan::local): Use + ->add_symbolless_local_addend as needed. + (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as + needed. Also, emit appropriate unaligned vs. aligned dynamic reloc + based upon relocation offset. + +2010-02-11 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling. + (Target_arm::Scan::global): Ditto. Also remove a comment before the + beginning of function. + (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS + and MOVT_ABS relocations. Those are non issued in scanning. Fix + parameter is_32bit in calls to should_apply_static_reloc. + * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh. + (check_DATA): Add arm_abs_global.stdout. + (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global, + arm_abs_global.stdout): New rules. + (MOSTLLYCLEANFILES): Add arm_abs_global + * Makefile.in: Regenerate. + * testsuite/arm_abs_global.s: New file. + * testsuite/arm_abs_global.sh: Ditto. + * testsuite/arm_abs_lib.s: Ditto. + +2010-02-11 Ian Lance Taylor <iant@google.com> + + * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each + Read_relocs task. + (queue_middle_tasks): Likewise, and also for Scan_relocs. Run + Allocate_commons_task first. + * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next + task, rather than symtab_lock_. + (Gc_process_relocs::~Gc_process_relocs): New function. + (Gc_process_relocs::is_runnable): Check this_blocker_. + (Gc_process_relocs::locks): Use next_blocker_ rather than + blocker_. + (Scan_relocs::~Scan_relocs): New function. + (Scan_relocs::is_runnable): Check this_blocker_ rather than + symtab_lock_. + (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add + next_blocker_. + * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_ + fields. Add this_blocker_ and next_blocker_ fields. Adjust + constructor accordingly. + (class Gc_process_relocs): Likewise. + (class Scan_relocs): Likewise. + * common.h (class Allocate_commons_task): Remove symtab_lock_ + field, and corresponding constructor parameter. + * common.cc (Allocate_commons_tasK::is_runnable): Remove use of + symtab_lock_. + (Allocate_commons_task::locks): Likewise. + +2010-02-11 Ian Lance Taylor <iant@google.com> + + * gold-threads.h (class Once): Define. + (class Initialize_lock): Rewrite as child of Once. + * gold-threads.cc (class Once_initialize): Define. + (once_pointer_control): New static variable. + (once_pointer, once_arg): New static variables. + (c_run_once): New static function. + (Once::Once, Once::run_once, Once::internal_run): New functions. + (class Initialize_lock_once): Remove. + (initialize_lock_control): Remove. + (initialize_lock_pointer): Remove. + (initialize_lock_once): Remove. + (Initialize_lock::Initialize_lock): Move to gold-threads.h. + (Initialize_lock::initialize): Rewrite. + (Initialize_lock::do_run_once): New function. + * archive.cc (Archive::interpret_header): Only clear name if it is + not already empty. + * fileread.cc: Include "gold-threads.h" + (file_counts_lock): New static variable. + (file_counts_initialize_lock): Likewise. + (File_read::release): Only increment counts when using --stats. + Use a lock around the increment. + * parameters.cc (class Set_parameters_target_once): Define. + (set_parameters_target_once): New static variable. + (Parameters::Parameters): Move here from parameters.h. + (Parameters::set_target): Rewrite. + (Parameters::set_target_once): New function. + (Parameters::clear_target): Move here and rewrite. + * parameters.h (class Parameters): Update declarations. Add + set_parameters_target_once_ field. + (Parameters::Parameters): Move to parameters.cc. + (Parameters::clear_target): Likewise. + * readsyms.cc (Read_symbols::do_group): Create a Start_group + task. + (Start_group::~Start_group): New function. + (Start_group::is_runnable): New function. + (Start_group::locks, Start_group::run): New functions. + (Finish_group::run): Change saw_undefined to size_t. + * readsyms.h (class Start_group): Define. + (class Finish_group): Change saw_undefined_ field to size_t. + (Finish_group::Finish_group): Remove saw_undefined and + this_blocker parameters. Change all callers. + (Finish_group::set_saw_undefined): New function. + (Finish_group::set_blocker): New function. + * symtab.h (class Symbol_table): Change saw_undefined to return + size_t. Change saw_undefined_ field to size_t. + * target-select.cc (Set_target_once::do_run_once): New function. + (Target_selector::Target_selector): Initialize set_target_once_ + field. Don't initialize lock_ and initialize_lock_ fields. + (Target_selector::instantiate_target): Rewrite. + (Target_selector::set_target): New function. + * target-select.h (class Set_target_once): Define. + (class Target_selector): Update declarations. Make + Set_target_once a friend. Remove lock_ and initialize_lock_ + fields. Add set_target_once_ field. + +2010-02-10 Ian Lance Taylor <iant@google.com> + + * dirsearch.cc (Dirsearch::initialize): Add all blockers before + queueing any tasks. + * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker. + (queue_middle_tasks): Add all blockers before queueing any tasks. + (queue_final_tasks): Likewise. + * token.h (Task_token::add_blockers): New function. + * object.h (Input_objects::number_of_relobjs): New function. + +2010-02-10 Ian Lance Taylor <iant@google.com> + + * i386.cc (Relocate::relocate_tls): A local symbol is final if not + shared, not if not position independent. + * x86_64.cc (Relocate::relocate_tls): Likewise. + * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test. + (tls_pie_pic_test): New target. + * testsuite/Makefile.in: Rebuild. + + * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test. + (tls_test_main_pie.o, tls_test_pie.o): New targets. + (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise. + * testsuite/Makefile.in: Rebuild. + +2010-02-09 David S. Miller <davem@davemloft.net> + + * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than + R_SPARC_RELATIVE using ->add_local_relative(). + (Target_sparc::Scan::global): Likewise for ->add_global_relative(). + + * output.h (Output_data_dynamic::add_section_size): New method + that takes two Output_data objects. + (Output_data_dynamic::Dynamic_entry): Create storage for secondary + entry param. Handle it in initializers. + * output.cc (Output_data_dynamic::Dynamic_entry::write): For + DYNAMIC_SECTION_SIZE, add in second object size if non-NULL. + * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt + arg. + * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt, + and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt + * arm.cc (Target_arm::do_finalize_sections): Update to pass false + for dynrel_includes_plt. + * i386.cc (Target_i386::do_finalize_sections): Likewise. + * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise. + * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output + before .rela.plt + (Target_sparc::do_finalize_sections): Update to pass true for + dynrel_includes_plt. + * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be + output before .rela.plt + (Target_powerpc::do_finalize_sections): Update to pass true for + dynrel_includes_plt when 32-bit. + +2010-02-08 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::simple_input_section_output_address): New + method. + (Arm_relobj::section_needs_cortex_a8_stub_scanning, + Arm_relobj::scan_section_for_cortex_a8_stubs, + Arm_relobj::do_relocation_section): Instead of calling + Output_section::output_address, use faster + Arm_relobj::simple_input_section_output_address. + +2010-02-08 David S. Miller <davem@davemloft.net> + + * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is + unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned + relocation helper function. + + * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP* + just like R_SPARC_GOT{10,13,22}. + (Target_sparc::Scan::local): Likewise. + (Target_sparc::Relocate:relocate): Likewise. + +2010-02-06 Ian Lance Taylor <iant@google.com> + + * configure.ac: Rewrite targetobjs duplicate removal code to use + only shell constructs. + * configure: Rebuild. + +2010-02-05 Doug Kwan <dougkwan@google.com> + + PR 11247 + * arm.cc (Arm_relobj::section_is_scannable): New method. + (Arm_relobj::section_needs_reloc_stub_scanning): Use it. + (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same. + +2010-02-04 Doug Kwan <dougkwan@google.com> + + PR 11247 + * arm-reloc-property.cc (cstdio): Include. + * configure.ac (targetobjs): Remove duplicates. + * configure: Regenerate. + * resolve.cc (Symbol_table::resolve): Explicit instantiate both + big and little endian version for a given address size. + +2010-02-03 Doug Kwan <dougkwan@google.com> + + * arm-reloc-property.cc + (Arm_reloc_property_table::reloc_name_in_error_message): New method + definition. + * arm-reloc-property.h + (Arm_reloc_property_table::get_implemented_static_reloc_property): + New method definition. + (Arm_reloc_property_table::reloc_name_in_error_message): New method + declaration. + * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change + overflow to N. + (GOT_PREL): Change implemented to Y. + * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method. + (Target_arm::Relocate::reloc_needs_sym_origin): Remove method. + (Arm_relocate_functions::movw_abs_nc): Remove method. + (Arm_relocate_functions::movt_abs): Ditto. + (Arm_relocate_functions::thm_movw_abs_nc): Ditto. + (Arm_relocate_functions::thm_movt_abs): Ditto. + (Arm_relocate_functions::movw_rel_nc): Ditto. + (Arm_relocate_functions::movw_rel): Ditto. + (Arm_relocate_functions::movt_rel): Ditto. + (Arm_relocate_functions:thm_movw_rel_nc): Ditto. + (Arm_relocate_functions:thm_movw_rel): Ditto. + (Arm_relocate_functions:thm_movt_rel): Ditto. + (Arm_relocate_functions::movw, Arm_relocate_functions::movt, + (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt): + New method definitions. + (Arm_relocation_functions::arm_grp_alu): Add assertion for group index. + (Arm_relocation_functions::arm_grp_ldr): Ditto. + (Arm_relocation_functions::arm_grp_ldrs): Ditto. + (Arm_relocation_functions::arm_grp_ldc): Ditto. + (Target_arm::Relocate::relocate): Check for non-static or + unimplemented relocation code and exit early. Change calls to + Target_arm::reloc_uses_thumb_bit and + Target_arm::Reloc::reloc_needs_sym_origin to use relocation property + instead. Refactor code to handle similar relocations to increase + code sharing. Remove check for unsupported relocation code in switch + statement. + (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use + relocation property table to find out size. Change error message to + print out the name of a relocation code instead of the numeric value. + (Target_arm::scan_reloc_for_stub): Use relocation property table + instead of calling Target_arm::reloc_uses_thumb_bit(). + +2010-02-02 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::relocate_section): Do view adjustment for all + types of relaxed input section. + +2010-02-02 Doug Kwan <dougkwan@google.com> + + * Makefile.am (HFILES): Add arm-reloc-property.h. + (DEFFILES): New. + (TARGETSOURCES): Add arm-reloc-property.cc + (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT) + (libgold_a_SOURCES): $(DEFFILES) + * Makefile.in: Regenerate. + * arm-reloc-property.cc: New file. + * arm-reloc-property.h: New file. + * arm-reloc.def: New file. + * arm.cc: Update comments. + (arm-reloc-property.h): New included header. + (arm_reloc_property_table): New global variable. + (Target_arm::do_select_as_default_target): New method definition. + * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add + arm-reloc-property to targ_extra_obj. + * parameters.cc (set_parameters_target): Call + Target::select_as_default_target(). + * target.h (Target::select_as_default_target): New method definition. + (Target::do_select_as_default_target): Same. + +2010-02-01 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize + first_output_text_section_. + (Arm_exidx_fixup::first_output_text_section): New method definition. + (Arm_exidx_fixup::first_output_text_section_): New data member. + (Arm_exidx_fixup::process_exidx_section): Record the first text + output section seen. + (Arm_output_section::fix_exidx_coverage): Set correct linked section + and entsize in output section header. + +2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8, + R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0. + (Arm_relocate_functions::thm_alu11): New Method. + (Arm_relocate_functions::thm_pc8): New Method. + (Arm_relocate_functions::thm_pc12): New Method. + (Target_arm::Scan::local): Handle the relocations. + (Target_arm::Scan::global): Likewise. + (Target_arm::Relocate::relocate): Likewise. + (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise. + +2010-01-29 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Scan::global): General PLTs for the same set + of relocation types as ld. + +2010-01-29 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility + to public. + (Arm_relocate_functions::thumb_branch_common): Ditto. + (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24, + Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32, + Arm_relocate_functions::xpc25, Arm_relocate_functions::call, + Arm_relocate_functions::jump24): Remove. + (Target_arm::Relocate::relocate): Adjust code to call + Arm_relocation_functions::arm_branch_common and + Arm_relocation_functions::thumb_branch_common instead of their removed + wrappers. Merge switch-cases together to reduce source code size. + +2010-01-29 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member + output_local_symbol_count_needs_update_. + (Arm_relobj::output_local_symbol_count_needs_update, + Arm_relobj::set_output_local_symbol_count_needs_update, + Arm_relobj::update_output_local_symbol_count): New methods. + (Arm_relobj::output_local_symbol_count_needs_update_): New data + member. + (Arm_exidx_cantunwind::do_fixed_endian_write): Write address + of pointed function as in a R_ARM_PREL31 relocation. + (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects + for output local symbol count updating. + (Target_arm::do_relax): Update output local symbol counts in objects + if necessary. + * object.h (Sized_relobj::set_output_local_symbol_count): New method. + +2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc: Added support for the ARM relocations: + R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL, + R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL. + (Arm_relocate_functions::movw_rel_nc): Renamed (was + movw_prel_nc). + (Arm_relocate_functions::movw_rel): New method. + (Arm_relocate_functions::movt_rel): Renamed (was movt_prel). + (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was + thm_movw_prel_nc). + (Arm_relocate_functions::thm_movw_rel): New method. + (Arm_relocate_functions::thm_movt_rel): Renamed (was + thm_movt_prel). + (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL + relocations. + (Target_arm::Scan::global): Likewise. + (Target_arm::Relocate::relocate): Likewise. + (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc: Added support for ARM group relocations. + (Target_arm::reloc_needs_sym_origin): New method. + (Arm_relocate_functions::calc_grp_kn): New method. + (Arm_relocate_functions::calc_grp_residual): New method. + (Arm_relocate_functions::calc_grp_gn): New method. + (Arm_relocate_functions::arm_grp_alu): New Method. + (Arm_relocate_functions::arm_grp_ldr): New Method. + (Arm_relocate_functions::arm_grp_ldrs): New Method. + (Arm_relocate_functions::arm_grp_ldc): New Method. + (Target_arm::Scan::local): Handle the ARM group relocations. + (Target_arm::Scan::global): Likewise. + (Target_arm::Relocate::relocate): Likewise. + (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2010-01-26 Doug Kwan <dougkwan@google.com> + + * arm.cc (set): Include. + (class Arm_exidx_fixup): Change type of last_input_section_ to const + pointer type. + (Arm_output_section::Text_section_list): New type. + (Arm_output_section::append_text_sections_to_list): New method. + (Arm_output_section::fix_exidx_coverage): Ditto. + (Arm_relobj::Arm_relobj): Initialize exidx_section_map_. + (Arm_relobj::convert_input_section_to_relaxed_section): Use + Relobj::set_section_offset() instead of + Sized_relobj::invalidate_section_offset(). + (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra + parameter for section headers. Ignore relocation sections for + unallocated sections and EXIDX sections. + (Target_arm::fix_exidx_coverage): New method. + (Target_arm::output_section_address_less_than): New type. + (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the + linked text section instead of the EXIDX section. + (Arm_output_section::create_stub_group): Add an assertion to check + that this is not an EXIDX output section. + (Arm_output_section::append_text_sections_to_list): New method. + (Arm_output_section::fix_exidx_coverage): Ditto. + (Arm_relobj::scan_sections_for_stubs): Adjust call to + Arm_relobj::section_needs_reloc_stub_scanning. + (Target_arm::do_relax): Fix EXIDX output section coverage in the + first pass. + (Target_arm::fix_exidx_coverage): New method. + * object.h (Relobj::set_output_section): New method. + (Sized_relobj::invalidate_section_offset): Remove method. + (Sized_relobj::do_invalidate_section_offset): Remove method. + (Sized_relobj::do_set_section_offset): Handle offset value -1. + +2010-01-25 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_merged_section::do_output_offset): + Fix warning due to signed and unsigned comparison on a 32-bit host. + +2010-01-22 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_relax): Record an output section for section + offset adjustment it contains any stub table that has changed. + * layout.cc (Layout::clean_up_after_relaxation): Adjust section + offsets in an output section if necessary. + * output.cc (Output_section::Output_section): Initialize + section_offsets_need_adjustments_. + (Output_section::add_input_section_for_script): Renamed to + Output_section::add_simple_input_section. + (Output_section::save_states): Add a comment. + (Output_section::discard_states): New method defintion. + (Output_section::adjust_section_offsets): Same. + * output.h (Output_section::add_input_section_for_script): Renamed to + Output_section::add_simple_input_section. + (Output_section::discard_states): New method declaration. + (Output_section::adjust_section_offsets): Same. + (Output_section::section_offsets_need_adjustment, + Output_section::set_section_offsets_need_adjustment): New method + definitions. + (Output_section::section_offsets_need_adjustment_): New data member. + * script-sections.cc + (Output_section_element_input::set_section_address): Adjust code for + renaming of Output_section::add_input_section_for_script. + (Orphan_output_section::set_section_address): Same. + +2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Target_arm): Updated fix_v4bx method and usage of + Fix_v4bx enum values . + * options.h (General_options): New option definitions. + (General_options::fix_v4bx): New method. + (General_options::Fix_v4bx): New enum. + * options.cc (General_options::parse_fix_v4bx): New method. + (General_options::parse_fix_v4bx_interworking): New method. + +2010-01-22 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_fixup): New class. + +2010-01-21 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New + classes. + (Arm_exidx_section_offset_map): New type. + +2010-01-21 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_exidx_input_section): New class. + (Arm_relobj::exidx_input_section_by_link, + Arm_relobj::exidx_input_section_by_shndx, + Arm_relobj::make_exidx_input_section): New methods. + (read_arm_attributes_section): Remove. + (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record + information about them. + (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section + to here. + +2010-01-20 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Arm_input_section_map): Change key type from + Input_section_specifier to Section_id. + (Target_arm::new_arm_input_section: Adjust code for change of key + type. + (Target_arm::find_arm_input_section): Ditto. + * gc.h (object.h): Include for Section_id nand Section_id_hash. + (Section_id): Remove. + (Garbage_collection::Section_id_hash): Remove. + * icf.h (object.h): Include for Section_id nand Section_id_hash. + (Section_id): Remove. + (Icf::Section_id_hash): Remove. + * object.h (Section_id, Const_section_id, Section_id_hash, + Const_section_id_hash): New type definitions. + * output.cc (Output_section::add_relaxed_input_section): Change to + use Const_section_id instead of Input_section_specifier as key type. + (Output_section::add_merge_input_section): Ditto. + (Output_section::build_relaxation_map): Change to use Section_id + instead of Input_section_specifier as key type. + (Output_section::convert_input_sections_in_list_to_relaxed_sections): + Ditto. + (Output_section::convert_input_sections_to_relaxed_sections): Change + to use Const_section_id instead of Input_section_specifier as key type. + (Output_section::find_merge_section): Ditto. + (Output_section::find_relaxed_input_section): Ditto. + * output.h (Input_section_specifier): Remove class. + (Output_section::Output_section_data_by_input_section_map): Change + key type to Const_section_id. + (Output_section::Output_relaxed_input_section_by_input_section_map): + Ditto. + (Output_section::Relaxation_map): Change key type to Section_id. + +2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc: Added support for R_ARM_V4BX relocation + (class Arm_v4bx_stub): New class. + (DEF_STUBS): Updated definition to support v4_veneer_bx. + (Stub_factory::make_arm_v4bx_stub): New method. + (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template. + (Stub_table::empty): Handle v4bx stubs. + (Stub_table::add_arm_v4bx_stub): New method. + (Stub_table::find_arm_v4bx_stub): New method. + (Arm_relocate_functions::v4bx): New method. + (Target_arm::fix_v4bx): New method. + (Target_arm::Target_arm): Handle R_ARM_V4BX. + (Stub_table::relocate_stubs): Likewise. + (Stub_table::do_write): Likewise. + (Stub_table::update_data_size_and_addralign): Likewise. + (Stub_table::finalize_stubs): Likewise. + (Target_arm::Scan::local): Likewise. + (Target_arm::Scan::global): Likewise. + (Target_arm::do_finalize_sections): Likewise. + (Target_arm::Relocate::relocate): Likewise. + (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + (Target_arm::scan_reloc_for_stub): Likewise. + (Target_arm::scan_reloc_section_for_stubs): Likewise. + +2010-01-19 Ian Lance Taylor <iant@google.com> + + * output.cc (Output_section_headers::do_sized_write): Write large + segment count to sh_info field. + (Output_file_header::do_sized_write): For large segment count, + write PN_XNUM to e_phnum field. + +2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Arm_relocate_functions::thm_jump6): New function. + (Arm_relocate_functions::thm_jump8): New function. + (Arm_relocate_functions::thm_jump11): New function. + (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8, + R_ARM_THM_JUMP11. + (Target_arm::Scan::global): Likewise. + (Target_arm::Relocate::relocate): Likewise. + (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2010-01-14 Doug Kwan <dougkwan@google.com> + + * arm.cc (map, utility): Include headers. + (Target_arm::apply_cortex_a8_workaround): New method. + (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround. + (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19. + (Target_arm::Scan::global): R_ARM_THM_JUMP19. + (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to + the --[no-]fix-cortex-a8 command line options. + (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19. + (Target_arm::relocate_stub): Use addend in instruction template. + * options.h (DEFINE_bool): Set the user-set flag. + (General_options): Add --[no-]-fix-cortex options. + * output.cc (Output_section::convert_input_sections_to_relaxed_sections) + : Update fast look-up map after conversion. + +2010-01-14 Sriraman Tallam <tmsriram@google.com> + + * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack + in the first pass of do_layout. + +2010-01-13 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning, + Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an + apparent compiler problem of not folding static constant integral + data members of elfcpp::Elf_sizes<32>. + +2010-01-13 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning, + Arm_relobj::section_needs_cortex_a8_stub_scanning, + Arm_relobj::scan_section_for_cortex_a8_erratum, + Arm_relobj::scan_span_for_cortex_a8_erratum): New methods. + (Arm_relobj::scan_sections_for_stubs): Move code deciding what + sections to scan for relocation stubs into a new method + Arm_relobj::section_needs_reloc_stub_scanning. Handle both + relocation and Cortex-A8 stub scanning. + (Target_arm::do_relax): Force stubs to be after stubbed sections + if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at + the beginning of a new relaxation pass. Update a comment. + (Target_arm::scan_span_for_cortex_a8_erratum): New method definition. + +2010-01-12 Ian Lance Taylor <iant@google.com> + + * target-reloc.h (visibility_error): New inline function. + (relocate_section): Call visibility_error. + * testsuite/Makefile.am (check_DATA): Add protected_3.err. + (MOSTLYCLEANFILES): Likewise. + (protected_4_pic.o, protected_3.err): New targets. + * testsuite/protected_4.cc: New file. + +2010-01-12 Doug Kwan <dougkwan@google.com> + + * arm.cc (Cortex_a8_reloc): New class. + (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_ + and cortex_a8_relocs_info_. + (Target_arm::fix_cortex_a8): New method definition. + (Target_arm::Cortex_a8_relocs_info): New type. + (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_): + New data member declarations. + (Target_arm::scan_reloc_for_stub): Record information about + relocations for THUMB branches that might be exempted from the + Cortex-A8 workaround. + (Target_arm::do_relax): Clear all Cortex-A8 relocation information + at the beginning of a relaxation pass. + +2010-01-12 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::mapping_symbols_info_): New data member. + (Arm_relobj::Mapping_symbol_position, + Arm_reloj::Mapping_symbol_position_less, + Arm_relobj::Mapping_symbols_info): New types. + (Target_arm::is_mapping_symbol_name): New method definition. + (Arm_relobj::do_count_local_symbols): Save information about mapping + symbols. + +2010-01-11 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relocate_functions::thumb32_branch_offset, + Arm_relocate_functions::thumb32_branch_upper, + Arm_relocate_functions::thumb32_branch_lower, + Arm_relocate_functions::thumb32_cond_branch_offset, + Arm_relocate_functions::thumb32_cond_branch_upper, + Arm_relocate_functions::thumb32_cond_branch_lower, + Arm_relocate_functions::thm_jump19): New methods to handle THUMB + branch offset encoding. + (Arm_relocate_functions::thumb_branch_common): Use new branch + offset encoding methods to avoid code duplication. + (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE. + (Stub_addend_reader::operator()): Use new branch encoding method + to avoid code duplication. + +2010-01-11 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::do_gc_process_relocs): New method. + (Target_arm::do_finalize_sections): Define special EXIDX section + symbols only if referenced. + * gc.h (Garbage_collection::add_reference): New method. + (gc_process_relocs): Use Garbage_collection::add_reference to avoid + code duplication. + +2010-01-11 Ian Lance Taylor <iant@google.com> + + * script.cc (Version_script_info::build_expression_list_lookup): + Change complaing about duplicate wildcard match from error to + warning. + + * script.cc (class Lazy_demangler): Recreate--revert part of patch + of 2009-12-30. + (Version_script_info::Version_script_info): Initialize globs_, + default_version_, default_is_global_, and exact_. Don't + initialize globals_ or locals_. + (Version_script_info::build_lookup_tables): Build local symbols + first. + (Version_script_info::unquote): New function. + (Version_script_info::add_exact_match): New function. + (Version_script_info::build_expression_list_lookup): Remove lookup + parameter. Add is_global parameter. Change all callers. Handle + wildcard pattern specially. Unquote pattern. Call + add_exact_match. + (Version_script_info::get_name_to_match): New function. + (Version_script_info::get_symbol_version): New function. + (Version_script_info::get_symbol_version_helper): Remove. + (Version_script_info::check_unmatched_names): Call unquote. + * script.h (class Version_script_info): Change get_symbol_version + to be non-inline and add is_global parameter; change all callers. + Rewrite symbol_is_local. Update declarations. Define struct + Version_tree_match, Exact, Globs. Don't define struct Lookup. + Remove globals_ and locals_ members. Add exact_, globs_, + default_version_, is_global_. + (Version_script_info::Glob): Remove pattern, add expression and + is_global. Update constructor. Change all callers. + * dynobj.cc (Versions::finalize): Mark the version symbol as the + default version. + (Versions::symbol_section_contents): If a symbol is undefined, or + defined in a dynamic object, set the version index to + VER_NDX_LOCAL. + * symtab.cc (Symbol_table::add_from_relobj): Don't call + symbol_is_local. + (Symbol_table::add_from_pluginobj): Likewise. + * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2. + +2010-01-11 Doug Kwan <dougkwan@google.com> + + * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency. + (incremental_dump_LDADD): Add linking option for libintl. + * Makefile.in: Regenerate. + +2010-01-11 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/11144 + * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms + instead of -Ds. + * testsuite/Makefile.in: Regenerated. + +2010-01-10 Doug Kwan <dougkwan@google.com> + + * options.h (DEFINE_var): Use parentheses around argument varname__ + in macro body to avoid any unintended subsequent substitutions. + +2010-01-10 Ian Lance Taylor <iant@google.com> + + * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR + candidates before doing symbol resolution. + + * resolve.cc (Symbol_table::resolve): Add symbols to the list of + ODR candidates if only one is weak. + +2010-01-08 Ian Lance Taylor <iant@google.com> + + * script.cc (Version_script_info::build_expression_list_lookup): + Don't warn about ambiguous version, just record the ambiguity. + (Version_script_info::get_symbol_version_helper): Give error if + version is ambiguous. + +2010-01-08 Doug Kwan <dougkwan@google.com> + + * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_, + prev_data_size_ and prev_addralign_. Remove initializer for + deleted data member has_been_changed_. + (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_ + to determine if the table is empty. + (Stub_table::has_been_changed, Stub_table_set_has_been_changed): + Remove. + (Stub_table::add_reloc_stub): Define method in class definition + instead of just declaring it there. + (Stub_table::add_cortex_a8_stub): New method definition. + (Stub_table::update_data_size_and_addralign): Ditto. + (Stub_table::finalize_stubs): Ditto. + (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto. + (Stub_table::do_addralign_): Return address alignment in the + (Stub_table::do_reset_address_and_file_offset): Define method in + class definition instead of declaring it there. Set current data + size to be the data size of the previous pass. + (Stub_table::set_final_data_size): Use current data size as the + final data size. + (Stub_table::relocate_stub): Change parameter type of stub from + Reloc_stub pointer to Stub pointer. + (Stub_table::addralign_, Stub_table::has_been_changed_): Remove. + (Stub_table::Cortex_a8_stub_list): New typedef. + (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_, + Stub_table::prev_addralign_): New data member. + (Arm_relobj::Arm_relobj): Initialize data member + section_has_cortex_a8_workaround_. + (Arm_relobj::section_has_cortex_a8_workaround, + Arm_relobj::mark_section_for_cortex_a8_workaround): New method + definitions. + (Arm_relobj::section_has_cortex_a8_workaround_): New data member + declarations. + (Target_arm::relocate_stub): Change parameter type of stub from + Reloc_stub pointer to Stub pointer. + (Insn_template::size, Insn_template::alignment): Handle + THUMB16_SPECIAL_TYPE. + (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs, + Stub_table::update_data_size_and_addralign, + Stub_table::apply_cortex_a8_workaround_to_address_range): New method + definitions. + (Stub_table::relocate_stubs): Handle Cortex-A8 stubs. + (Stub_table::do_write): Ditto. + (Target_arm::do_relax): Adjust code for changes in Stub_table. + +2010-01-08 Ian Lance Taylor <iant@google.com> + + PR 11108 + * symtab.h (class Symbol): Remove fields is_target_special_ and + has_plt_offset_. Add field is_defined_in_discarded_section_. + (Symbol::is_defined_in_discarded_section): New function. + (Symbol::set_is_defined_in_discarded_section): New function. + (Symbol::has_plt_offset): Rewrite. + (Symbol::set_plt_offset): Verify that new offset is not -1U. + * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U. + Don't initialize is_target_special_ or has_plt_offset_. + Initialize is_defined_in_discarded_section_. + (Symbol_table::add_from_relobj): If appropriate, set + is_defined_in_discarded_section. + * resolve.cc (Symbol::override_base_with_special): Don't test + is_target_special_. Change has_plt_offset_ to has_plt_offset(). + * target-reloc.h (relocate_section): Do special handling for + symbols defined in discarded sections for global symbols as well + as local symbols. + +2010-01-08 Ian Lance Taylor <iant@google.com> + + * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in + the SHT_SYMTAB case. + +2010-01-08 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj::do_layout): Don't get confused if + layout_eh_frame returns NULL. + +2010-01-08 Ian Lance Taylor <iant@google.com> + + PR 11084 + * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no + dynamic symbol table, use the normal symbol table. + (Sized_dynobj::do_read_symbols): Remove assertion about type of + symbol table. + +2010-01-08 Ian Lance Taylor <iant@google.com> + + PR 11072 + * layout.cc (Layout::include_section): Remove .gnu_debuglink + sections. + +2010-01-08 H.J. Lu <hongjiu.lu@intel.com> + + * version.cc (print_version): Change to "Copyright 2010". + +2010-01-08 Ian Lance Taylor <iant@google.com> + + PR 10287 + PR 11063 + * i386.cc (class Target_i386): Change return type of plt_section + to be non-const. + (class Output_data_plt_i386): Add tls_desc_rel_ field. + (Output_data_plt_i386::Output_data_plt_i386): Initialize + tls_desc_rel_ field. + (Output_data_plt_i386::rel_tls_desc): New function. + (Target_i386::rel_tls_desc_section): New function. + (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling. + (Target_i386::Scan::global): For R_386_TLS_GOTDESC put + R_386_TLS_DESC reloc in rel_tls_desc_section. + * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field. + Define struct Tlsdesc_info. + (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_. + (Target_x86_64::do_reloc_symbol_index): New function. + (Target_x86_64::add_tlsdesc_info): New function. + (class Output_data_plt_x86_64): Add tlsdesc_rel_ field. + (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize + tlsdesc_rel_ field. + (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change + all callers. + (Output_data_plt_x86_64::rela_tlsdesc): New function. + (Target_x86_64::rela_tlsdesc_section): New function. + (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC + handling. + (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put + (Target_x86_64::do_reloc_addend): New function. + R_X86_64_TLSDESC reloc in rela_tlsdesc_section. + * output.h (class Output_reloc) [SHT_REL]: Add new constructor + declarations. Define TARGET_CODE. Add arg field to u1_ union. + (Output_reloc::type): New function. + (Output_reloc::is_local_section_symbol): Check for TARGET_CODE. + (Output_reloc::is_target_specific): New function. + (Output_reloc::target_arg): New function. + (class Output_reloc) [SHT_RELA]: Add four new constructors for + absolute relocs and target specific relocs. + (class Output_data_reloc) [SHT_REL]: Add add_absolute and + add_target_specific. + (class Output_data_reloc) [SHT_RELA]: Likewise. + * output.cc (Output_reloc::Output_reloc): Add four new versions + for absolute relocs and target specific relocs. + (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case. + (Output_reloc::get_symbol_index): Likewise. + (Output_reloc::local_section_offset): Check that local_sym_index_ + is not TARGET_CODE or 0. + (Output_reloc::symbol_value): Likewise. + (Output_reloc::write) [SHT_RELA]: Call target for target specific + reloc. + * target.h (class Target): Add reloc_symbol_index and reloc_addend + functions. Add do_reloc_symbol_index and do_reloc_addend virtual + functions. + * layout.cc (add_target_dynamic_tags): Use output section for + DT_PLTRELSZ and DT_JMPREL. + +2010-01-07 Ian Lance Taylor <iant@google.com> + + PR 11061 + * output.h (class Output_reloc) [SHT_RELA]: Add is_relative + function. + (class Output_data_reloc_generic): Define. + (class Output_data_reloc_base): Change base class to + Output_data_reloc_generic. Change add() method to call + bump_relative_reloc_count for a relative reloc. Remove + sort_relocs_ field. + * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_ + to sort_relocs(). + * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to + Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if + appropriate. + * layout.h (class Layout): Update declaration. + +2010-01-07 Ian Lance Taylor <iant@google.com> + + * output.h (class Output_data): Add const version of + output_section and do_output_section. + (class Output_section_data): Add const version of + do_output_section. + (class Output_section): Likewise. + * layout.cc (Layout::add_target_dynamic_tags): New function. + * layout.h (class Layout): Update declarations. + * arm.cc (Target_arm::do_finalize_sections): Use + add_target_dynamic_tags. + * i386.cc (Target_i386::do_finalize_sections): Likewise. + * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise. + * sparc.cc (Target_sparc::do_finalize_sections): Likewise. + * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise. + +2010-01-07 Ian Lance Taylor <iant@google.com> + + PR 11042 + * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic + object as needed. + +2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com> + Ian Lance Taylor <iant@google.com> + + PR 11019 + * object.cc: Instantiate Xindex::initialize_symtab_xindex and + Xindex::read_symtab_xindex. + +2010-01-07 Doug Kwan <dougkwan@google.com> + + * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE. + (Insn_template::thumb16_bcond_insn): New method declaration. + (Insn_template): Fix spelling. + (Stub::thumb16_special): New method declaration. + (Stub::do_write): Define virtual method which was previously pure + virtual. + (Stub::do_thumb16_special): New method declaration. + (Stub::do_fixed_endian_write): New template member. + (Reloc_stub::do_write): Remove. + (Reloc_stub::do_fixed_endian_write): Remove. + (Cortex_a8_stub): New class definition. + (Stub_factory::make_cortex_a8_stub): New method definition. + (Stub_factory::Stub_factory): Add missing static storage class + qualifier for elf32_arm_stub_a8_veneer_blx. + +2010-01-07 Ian Lance Taylor <iant@google.com> + + PR 10980 + * options.h (class General_options): Add --warn-unresolved-symbols + and --error-unresolved-symbols. + * errors.cc (Errors::undefined_symbol): Implement + --warn-unresolved-symbols. + + * options.h (class General_options): Add -z text and -z textoff. + * layout.cc (Layout::finish_dynamic_section): Implement -z text. + +2010-01-06 Sriraman Tallam <tmsriram@google.com> + + * gc.h (Garbage_collection::Cident_section_map): New typedef. + (Garbage_collection::cident_sections): New function. + (Garbage_collection::add_cident_section): New function. + (Garbage_collection::cident_sections_): New member. + (gc_process_relocs): Add references to sections whose names are C + identifiers. + * gold.h (cident_section_start_prefix): New constant. + (cident_section_stop_prefix): New constant. + (is_cident): New function. + * layout.cc (Layout::define_section_symbols): Replace string constants + with the newly defined constants. + * object.cc (Sized_relobj::do_layout): Track sections whose names are + C identifiers. + * testsuite/Makefile.am: Add gc_orphan_section_test. + * testsuite/Makefile.in: Regenerate. + * testsuite/gc_orphan_section_test.cc: New file. + * testsuite/gc_orphan_section_test.sh: New file. + +2010-01-06 Ian Lance Taylor <iant@google.com> + + PR 10980 + * options.h (class General_options): Add --warn-shared-textrel. + * layout.cc (Layout::finish_dynamic_section): Implement + --warn-shared-textrel. + + PR 10980 + * options.h (class General_options): Add --warn-multiple-gp. + +2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * Makefile.am (incremental_dump_DEPENDENCIES): Remove + $(THREADSLIB) and $(LIBDL). + * Makefile.in: Rebuild. + +2010-01-06 Ian Lance Taylor <iant@google.com> + + PR 10980 + * options.cc (General_options::parse_section_start): New function. + (General_options::section_start): New function. + (General_options::General_options): Initialize all members. + * options.h: Include <map> + (class General_options): Add --section-start. Add section_starts_ + member. + * layout.cc (Layout::attach_allocated_section_to_segment): If + --section-start was used, set the address of the segment. Remove + local sort_sections. + (Layout::relaxation_loop_body): If the address of the load segment + has been set by --section-start, don't use it. + * output.h (Output_segment::update_flags_for_output_section): New + function. + * output.cc (Output_segment::add_output_section): Call + update_flags_for_output_section. + +2010-01-05 Ian Lance Taylor <iant@google.com> + + PR 10980 + * options.h (class General_options): Add --undefined-version. + * script.cc (struct Version_expression): Add was_matched_by_symbol + field. + (Version_script_info::matched_symbol): New function. + (Version_script_info::get_symbol_version_helper): Call + matched_symbol. + (Version_script_info::check_unmatched_names): New function. + * script.h (class Version_script_info): Update declarations. + * gold.cc (queue_middle_tasks): Handle --no-undefined-version. + + * options.h (class General_options): Use DEFINE_bool_alias for + allow_multiple_definition. + * resolve.cc (Symbol_table::should_override): Don't test + allow_multiple_definition. + + PR 10980 + * options.h (class General_options): Add --cref. + * main.cc (main): Print cref table if --cref. Don't close mapfile + until after printing cref table. + * cref.cc: Include "symtab.h". + (class Cref_inputs): Define Cref_table_compare and Cref_table. + (Cref_table_compare::operator()): New function. + (Cref_inputs::gather_cref): New function. + (filecol): New static const. + (Cref_inputs::print_cref): New function. + (Cref::print_cref): New function. + * cref.h: Include <cstdio>. + (class Cref): Update declarations. + * mapfile.h (Mapfile::file): New function. + * object.h (class Object): Define Symbols. Declare virtual + do_get_global_symbols. + (Object::get_global_symbols): New function. + * object.cc (Input_objects::add_object): Pass object to cref_ if + --cref. + (Input_objects::archive_start): Likewise. + (Input_objects::archive_stop): Likewise. + (Input_objects::print_cref): New function. + * dynobj.h (Sized_dynobj::do_get_global_symbols): New function. + * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if + --cref. + * plugin.cc (Sized_pluginobj::do_get_global_symbols): New + function. + * plugin.h (class Sized_pluginobj): Update declarations. + +2010-01-05 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol_table::add_from_object): Rename def parameter + to is_default_version. Rename insdef to insdefault. + (Symbol_table::add_from_relobj): Rename def to is_default_version + and local to is_forced_local. + (Symbol_table::add_from_pluginobj): Likewise. + (Symbol_table::add_from_dynobj): Likewise. + (Symbol_table::define_special_symbol): Rename insdef to + insdefault. + +2010-01-04 Ian Lance Taylor <iant@google.com> + + PR 10980 + * options.h (class General_options): Add + --allow-multiple-definition and -z muldefs. + * resolve.cc (Symbol_table::should_override): Don't warn about a + multiple symbol definition if --allow-multiple-definition or -z + muldefs. + + PR 10980 + * options.h (class General_options): Add --add-needed and + --copy-dt-needed-entries. Tweak --as-needed help entry. + * object.cc (Input_objects::check_dynamic_dependencies): Give an + error if --copy-dt-needed-entries aka --add-needed is used and + would cause a change in behaviour. + + PR 10980 + * options.h (class General_options): Add -G as a short version of + --shared. Add no-op options -assert, -g, and -i. + +2010-01-04 Sriraman Tallam <tmsriram@google.com> + + * gc.h (gc_process_relocs): Call is_section_foldable_candidate to + check for .text or .gnu.linkonce.t sections. + * icf.cc (Icf::find_identical_sections): Ditto. + Change the detection for mangled function name within the section + name. + * icf.h (is_section_foldable_candidate): New function. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10980 + * options.h (class General_options): Permit two dashes with + --retain-symbols-file. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10979 + * layout.cc (Layout::relaxation_loop_body): If -Ttext was used, + don't put the file header and segment headers in the text + segment. + + PR 10979 + * common.cc (Sort_commons::operator()): Stabilize sort when both + entries are NULL. + (Symbol_table::do_allocate_commons_list): When allocating common + symbols, skip a symbol which is no longer common. + * symtab.h (Symbol::is_common): Test whether the symbol comes from + an object before checking its type. + * testsuite/common_test_2.c: New file. + * testsuite/common_test_3.c: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2. + (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define. + (common_test_2_LDFLAGS, common_test_2_LDADD): Define. + (common_test_2_pic.o, common_test_2.so): New targets. + (common_test_3_pic.o, common_test_3.so): New targets. + * testsuite/Makefile.in: Rebuild. + + PR 10979 + * script.cc (read_input_script): If we see a new SECTIONS clause, + and we have added an input section, give an error. + * layout.h (class Layout): Add have_added_input_section function. + Add have_added_input_section_ field. + * layout.cc (Layout::Layout): Initialize + have_added_input_section_. + (Layout::layout): Set have_added_input_section_. + (Layout::layout_eh_frame): Likewise. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10931 + * options.h (class General_options): Add --sort-common option. + * symtab.h (class Symbol_table): Define Sort_commons_order enum. + * common.cc (Sort_common): Add sort_order parameter to + constructor. Add sort_order_ field. + (Sort_commons::operator): Check sort_order_. + (Symbol_table::allocate_commons): Determine the sort order. + (Symbol_table::do_allocate_commons): Add sort_order parameter. + Change all callers. + (Symbol_table::do_allocate_commons_list): Likewise. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10916 + * symtab.cc (Symbol_table::add_from_relobj): When not exporting + symbols from this object, don't change the visibility of an + undefined symbol. + * testsuite/exclude_libs_test_1.c (lib1_ref): New function. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10861 + * script.h (class Version_script_info): Define Language enum. + Update declarations. Define Glob, Exact, and Lookup types. Add + new fields globals_, locals_, and is_finalized_. + * script.cc: Various formatting fixes. + (class Parser_closure): Change language_stack_ from a vector of + std::string to one of Version_script_info::Language. Adjust all + uses accordingly. + (class Lazy_demangler): Remove. + (struct Version_expression): Change language from std::string to + Version_script_info::Language. + (Version_script_info::Version_script_info): New function. + (Version_script_info::~Version_script_info): Don't call clear. + (Version_script_info::finalize): New function. + (Version_script_info::build_lookup_tables): New function. + (Version_script_info::build_expression_list_lookup): New + function. + (Version_script_info::get_symbol_version_helper): Rewrite to use + lookup tables. + (Version_script_info::print_expression_list): Adjust to use + Version_script_info::Language. + (script_push_lex_into_version_mode): Check that the version script + has not been finalized. + (version_script_push_lang): Change language string to + Version_script_info::Language. + * options.cc (Command_line::version_script): New function. + * options.h (class General_options): Add finalize_dynamic_list + function. Change version_script from declaration to definition. + * testsuite/ver_test_4.script: Remove duplicate def of t2_2. + * testsuite/version_script.map: Remove duplicate def of foo. + * testsuite/Makefile.am (ver_matching_def.so): Depend upon + version_script.map. + * testsuite/Makefile.in: Rebuild. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10843 + * target-reloc.h (relocate_for_relocatable): When copying a reloc, + if the input symbol index is 0, make the output symbol index 0. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10670 + * options.h (class General_options): Add -x/--discard-all. + * object.cc (Sized_relobj::do_count_local_symbols): Handle + --discard-all. If the local symbol needs a dynamic entry, check + that before handling --discard-locals. + +2009-12-30 Ian Lance Taylor <iant@google.com> + + PR 10450 + * output.cc (Output_segment::Output_segment): If PT_TLS, set the + flags to PF_R. + (Output_segment::add_output_section): Don't change the flags if + the type is PT_TLS. + + PR 10450 + * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the + GNU hash table if they need a dynamic value. Otherwise, don't add + them if they are defined in a dynamic object or are forced local. + +2009-12-29 Ian Lance Taylor <iant@google.com> + + PR 10450 + * layout.cc (Layout::create_dynamic_symtab): Only set entsize of + .gnu.hash table for a 32-bit target. + + PR 10450 + * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a + regular and a dynamic object only needs a dynamic symbol table + entry if it is externally visible. + + PR 10450 + * i386.cc (class Target_i386): Initialize global_offset_table_ in + constructor. Add global_offset_table_ field. + (Target_i386::got_section): Set global_offset_table_. + (Target_i386::do_finalize_sections): Set global_offset_table_ + size. + * x86_64.cc (class Target_x86_64): Initialize global_offset_table_ + in constructor. Add global_offset_table_ field. + (Target_x86_64::got_section): Set global_offset_table_. + (Target_x86_64::do_finalize_sections): Set global_offset_table_ + size. + + * layout.cc (Layout::Layout): Initialize increase_relro_. + (Layout::get_output_section): Add is_relro, is_last_relro, and + is_first_non_relro parameters. Change all callers. + (Layout::choose_output_section): Likewise. + (Layout::add_output_section_data): Likewise. + (Layout::make_output_section): Likewise. + (Layout::set_segment_offsets): Clear increase_relro when using a + linker script. + * layout.h (class Layout): Add increase_relro method. Add + increase_relro_ field. Update declarations. + * output.cc (Output_section::Output_section): Initialize + is_last_relro_ and is_first_non_relro_. + (Output_segment::add_output_section): Group relro sections is + do_sort is true. Handle is_last_relro and is_first_non_relro. + (Output_segment::maximum_alignment): Remove relro handling. + (Output_segment::set_section_addresses): Add increase_relro + parameter. Change all callers. Add initial alignment to align + relro sections on separate page. Remove old relro handling. + (Output_segment::set_section_list_addresses): Remove in_relro + parameter. Change all callers. + (Output_segment::set_offset): Add increase parameter. Change all + callers. Remove old relro handling. + * output.h (class Output_section): Add new methods: is_last_relro, + set_is_last_relro, is_first_non_relro, set_is_first_non_relro. + Add is_last_relro_ and is_first_non_relro_ fields. + * i386.cc (Target_i386::got_section): Don't call set_is_relro. + Create separate .got.plt section. Call increase_relro. + * x86_64.cc (Target_x86_64::got_section): Likewise. + * testsuite/relro_script_test.t: Add .got.plt. + + PR 10450 + * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field. + (Layout::create_initial_dynamic_sections): Set dynamic_symbol_. + (Layout::finalize): Call set_dynamic_symbol_size. + (Layout::set_dynamic_symbol_size): New function. + * layout.h (class Layout): Add dynamic_symbol_ field. Declare + set_dynamic_symbol_size. + + PR 10450 + * output.h (class Output_section): Add is_entsize_zero_ field. + * output.cc (Output_section::Output_section): Initialize + is_entsize_zero_. + (Output_section::set_entsize): If two different entsizes are + requested, force it to zero. + (Output_section::add_input_section): Set flags for .debug_str + before updating section flags. Set entsize. + (Output_section::update_flags_for_input_section): Set SHF_MERGE + and SHF_STRING if all input sections have those flags. + +2009-12-29 Rafael Espindola <espindola@google.com> + + * main.cc (main): Fix the sys time reporting. + * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time + reporting. + +2009-12-29 Sriraman Tallam <tmsriram@google.com> + + * options.cc (General_options::parse_version): Allow -v to exit + without an error if there is nothing to link. + +2009-12-29 Ian Lance Taylor <iant@google.com> + + * configure.ac: Set the MCMODEL_MEDIUM conditional to false if + using a version of gcc before 4.1. + * configure: Rebuild. + +2009-12-28 Chris Demetriou <cgd@google.com> + + * attributes.cc (Output_attributes_section_data::do_write): Use + std::vector::front rather than std::vector::data. + +2009-12-28 Ian Lance Taylor <iant@google.com> + + * symtab.h (class Symbol_table): Add enum Defined. + * resolve.cc (Symbol_table::should_override): Add defined + parameter. Change all callers. Test whether object is NULL + before calling a method on it. + (Symbol_table::report_resolve_problem): Add defined parameter. + Change all callers. + (Symbol_table::should_override_with_special): Likewise. + * symtab.cc (Symbol_table::define_in_output_data): Add defined + parameter. Change all callers. + (Symbol_table::do_define_in_output_data): Likewise. + (Symbol_table::define_in_output_segment): Likewise. + (Symbol_table::do_define_in_output_segment): Likewise. + (Symbol_table::define_as_constant): Likewise. + (Symbol_table::do_define_as_constant): Likewise. + * script.h (class Symbol_assignment): Add is_defsym parameter to + constructor; change all callers. + * script.cc (Script_options::add_symbol_assignment): Add is_defsym + parameter. Change all callers. Add is_defsym_ field. + (class Parser_closure): Add parsing_defsym parameter to + constructor; change all callers. Add parsing_defsym accessor + function. Add parsing_defsym_ field. + +2009-12-28 Ian Lance Taylor <iant@google.com> + + * gold.cc (queue_middle_tasks): Fix formatting. + * object.cc (Relobj::is_section_name_included): Likewise. + +2009-12-23 Ian Lance Taylor <iant@google.com> + + * i386.cc (Target_i386::do_calls_non_split): Recognize + -fsplit-stack prologue for a function with a static chain. + * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize + -fsplit-stack prologue when using %r11. + +2009-12-21 Sriraman Tallam <tmsriram@google.com> + + * options.cc (General_options::parse_version): Make -v continue and do + the link like GNU ld does. + +2009-12-17 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.am (CCFILES): Add timer.cc. + (HFILES): Add timer.h. + * configure.ac: Check for sysconf and times. + * main.cc: include timer.h. + (main): Use Timer instead of get_run_time. + * timer.cc: New. + * timer.h: New. + * workqueue.cc: include timer.h. + (Workqueue::find_and_run_task): + Report user, sys and wall time. + * Makefile.in: Regenerate. + * config.in: Regenerate. + * configure: Regenerate. + +2009-12-16 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated + sections. + * object.cc (Sized_relobj::do_finalize_local_symbols): Handle + relaxed input sections. + * output.cc (Output_section::find_relaxed_input_section): Change + return type to Output_relaxed_input_section pointer. Adjust code + for new type of relaxed_input_section_map_. + * output.h (Output_section::find_relaxed_input_section): Change + return type to Output_relaxed_input_section pointer. + (Output_section::Output_relaxed_input_section_by_input_section_map): + New type. + (Output_section::relaxed_input_section_map_): Change type to + Output_section::Output_relaxed_input_section_by_input_section_map. + * symtab.cc (Symbol_table::compute_final_value): Handle relaxed + input section. + +2009-12-15 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::create_shstrtab): Only write out after input + sections if we are compressing debug sections. + +2009-12-15 Ian Lance Taylor <iant@google.com> + + * archive.cc (Archive::add_symbols): Only look up a symbol without + a version if there is, in fact, a version. + +2009-12-14 Ian Lance Taylor <iant@google.com> + + Revert -Wshadow changes, all changes from: + 2009-12-11 Doug Kwan <dougkwan@google.com> + 2009-12-11 Nick Clifton <nickc@redhat.com> + * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS. + +2009-12-11 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::do_finalize_sections): Fix build breakage + due to -Wshadow. + * attributes.cc (Object_attribute::size): Ditto. + (Attributes_section_data::size): Ditto. + (Attributes_section_data::Attributes_section_data): Ditto. + (Output_attributes_section_data::do_write): Ditto. + * attributes.h (Object_attribute::set_type): Ditto. + * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto. + +2009-12-11 Nick Clifton <nickc@redhat.com> + + * archive.cc: Fix shadowed variable warnings. + * arm.cc: Likewise. + * compressed_output.cc: Likewise. + * compressed_output.h: Likewise. + * configure: Likewise. + * dwarf_reader.cc: Likewise. + * dynobj.cc: Likewise. + * dynobj.h: Likewise. + * ehframe.cc: Likewise. + * ehframe.h: Likewise. + * errors.cc: Likewise. + * expression.cc: Likewise. + * fileread.cc: Likewise. + * fileread.h: Likewise. + * freebsd.h: Likewise. + * i386.cc: Likewise. + * icf.cc: Likewise. + * incremental.h: Likewise. + * layout.cc: Likewise. + * layout.h: Likewise. + * mapfile.cc: Likewise. + * merge.cc: Likewise. + * merge.h: Likewise. + * object.cc: Likewise. + * object.h: Likewise. + * options.h: Likewise. + * output.cc: Likewise. + * output.h: Likewise. + * parameters.cc: Likewise. + * plugin.cc: Likewise. + * powerpc.cc: Likewise. + * reduced_debug_output.cc: Likewise. + * reduced_debug_output.h: Likewise. + * reloc.cc: Likewise. + * reloc.h: Likewise. + * resolve.cc: Likewise. + * script-sections.cc: Likewise. + * script.cc: Likewise. + * script.h: Likewise. + * sparc.cc: Likewise. + * symtab.cc: Likewise. + * symtab.h: Likewise. + * target-select.cc: Likewise. + * target-select.h: Likewise. + * token.h: Likewise. + * workqueue.cc: Likewise. + * workqueue.h: Likewise. + * x86_64.cc: Likewise. + +2009-12-10 Doug Kwan <dougkwan@google.com> + + * arm.cc (attributes.h): New include. + (Arm_relobj::Arm_relobj): Initialize attributes_section_data_. + (Arm_relobj::~Arm_relobj): Delete object pointed by + attributes_section_data_. + (Arm_relobj::attributes_section_data): New method definition. + (Arm_relobj::attributes_section_data_): New data member declaration. + (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_. + (Arm_dynobj::~Arm_dynobj): Delete object pointed by + attributes_section_data_. + (Arm_dynobj::attributes_section_data): New method definition. + (Arm_dynobj::attributes_section_data_): New data member declaration. + (Target_arm::Target_arm): Initialize attributes_section_data_. Change + initialization value of may_use_blx_ to false. + (Target_arm::using_thumb2, Target_arm::using_thumb_only, + Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use + object attributes to compute results instead of hard-coding. + (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order, + Target_arm::get_secondary_compatible_arch, + Target_arm::set_secondary_compatible_arch + Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name, + Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes): + New method declarations. + (Target_arm::get_aeabi_object_attribute): New method definition. + (Target_arm::attributes_section_data_): New data member declaration. + (read_arm_attributes_section): New template definition. + (Arm_relobj::do_read_symbols): Read attributes section if it exists. + (Arm_dynobj::do_read_symbols): Ditto. + (Target_arm::do_finalize_sections): Merge attributes sections from + input. Check for BLX use after attributes section merging. + Fix __exidx_start and __exidx_end visibility. Create an + .ARM.attributes section if necessary. + (Target_arm::get_secondary_compatible_arch, + Target_arm::set_secondary_compatible_arch, + Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name, + Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes, + Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): + New method definitions. + +2009-12-09 Ian Lance Taylor <iant@google.com> + + * plugin.cc (Plugin::load): Don't cast from void* to a function + pointer. + +2009-12-09 Ian Lance Taylor <iant@google.com> + + * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version + information fields. + +2009-12-09 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES): + Replace two_file_shared_1.so with two_file_shared_2.so. + * testsuite/Makefile.in: Regenerated. + +2009-12-08 Doug Kwan <dougkwan@google.com> + + * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc. + (HFILES): Add attributes.h and int_encoding.h. + * Makefile.in: Regenerate. + * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move + function definitions to int_encoding.cc + * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move + prototypes to int_encoding.h + * reduced_debug_output.cc (int_encoding.h): New include. + (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move + function definitions to int_encoding.cc + (insert_into_vector, read_from_pointer): Move template definitions to + int_encoding.h + * attributes.cc: New file. + * attributes.h: New file. + * int_encoding.cc: New file. + * int_encoding.h: New file. + +2009-12-07 Rafael Avila de Espindola <espindola@google.com> + + PR gold/11055 + * incremental-dump.cc (dump_incremental_inputs): New. + (main): Use dump_incremental_inputs. + +2009-12-07 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/10893 + * i386.cc (Target_i386::Scan::globa): Use is_func instead of + checking elfcpp::STT_FUNC. + (Target_i386::Relocate::relocate): Likewise. + * x86_64.cc (Target_x86_64::Scan::global): Likewise. + + * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC + symbols from shared libraries into normal FUNC symbols. + + * symtab.h (Symbol): Add is_func and use it. + +2009-12-05 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::arm_info): Initialize new fields + attributes_section and attributes_vendor. + * i386.cc (Target_i386::i386_info): Same. + * object.cc (Sized_relobj::do_layout): Skip attribute section. + * powerpc.cc (Target_powerpc::powerpc_info): Initialize new + fields attributes_section and attributes_vendor. + * sparc.cc (Target_sparc::sparc_info): Same. + * target.h (Target::attributes_section, Target::attributes_vendor, + Target::is_attributes_section, Target::attribute_arg_type, + Target::attributes_order): New method definitions. + (Target::Target_info::attributes_section, + Target::Target_info::attributes_vendor): New fields. + (Target::do_attribute_arg_type, Target::do_attributes_order): New + virtual method definitions. + * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields + attributes_section and attributes_vendor. + * testsuite/testfile.cc (Target_test::test_target_info): Same. + +2009-12-05 Doug Kwan <dougkwan@google.com> + + * arm.cc: Update comments about interworking and stub generation. + (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations + considered as non-PIC. + (Arm_relocate_functions::base_abs): Fix formatting. + (Arm_relocate_functions::got_prel): Fix comment. Change interface + of function to use GOT entry address instead of offset. + (Target_arm::Scan::global): Issue an error if a symbol would need a + PLT does not get one because it is untyped. Remove code to create + dynamic symbols for relative branches. + (Target_arm::Relocate::relocate: Use 0 instead of false since function + takes unsigned integer instead of boolean. + +2009-12-05 H.J. Lu <hongjiu.lu@intel.com> + + * testsuite/Makefile.am (constructor_test_LDADD): New. Empty. + (two_file_test_LDADD): Likewise. + (common_test_1_LDADD): Likewise. + (exception_test_LDADD) Likewise. + (weak_test_LDADD): Likewise. + (many_sections_test_LDADD): Likewise. + (initpri1_LDADD): Likewise. + (script_test_1_LDADD): Likewise. + (script_test_2_LDADD): Likewise. + (justsyms_LDADD): Likewise. + (binary_test_LDADD): Likewise. + (large_LDADD): Likewise. + * testsuite/Makefile.in: Regenerated. + +2009-12-04 H.J. Lu <hongjiu.lu@intel.com> + + * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL. + (Symbol_table::override_with_special): Likewise. + (Symbol_table::add_from_object): Likewise. + +2009-12-04 Rafael Avila de Espindola <espindola@google.com> + + * incremental.cc (Incremental_inputs::sized_create_inputs_section_data): + Don't set the data_offset twice. + +2009-12-04 Rafael Avila de Espindola <espindola@google.com> + + * testsuite/Makefile.in: Regenerate. + +2009-12-03 Doug Kwan <dougkwan@google.com> + + * arm.cc: Remove comment about missing .ARM.exidx section symbols. + (Target_arm::do_finalize_sections): Add parameter for symbol table + pointer. Add __exidx_start and __exidx_end symbols as appropriate. + * i386.cc (Target_i386::do_finalize_sections): Add an additional + parameter for symbol table pointer. + * layout.cc (Layout::finalize): Call Target::finalize_sections with + an additional parameter for a pointer to symbol table. + * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional + parameter for a symbol table pointer. + * sparc.cc (Target_sparc::do_finalize_sections): Ditto. + * target.h (Target::finalize_sections, Target::do_finalize_sections): + Ditto. + * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional + parameter for a symbol table pointer. + +2009-12-03 Rafael Avila de Espindola <espindola@google.com> + + * incremental.cc (Incremental_inputs_header) + (Incremental_inputs_header_write, Incremental_inputs_entry) + (Incremental_inputs_entry_write): Move ... + * incremental.h (Incremental_inputs_header) + (Incremental_inputs_header_write, Incremental_inputs_entry) + (Incremental_inputs_entry_write): here. + +2009-12-02 Rafael Avila de Espindola <espindola@google.com> + + * incremental.cc (make_sized_incremental_binary): Set the target. + Error if it is incompatible. + * output.h (Output_file): Add filename method. + +2009-12-02 Rafael Avila de Espindola <espindola@google.com> + + * incremental.cc (Incremental_inputs_entry): Remove unused argument + from the get_* methods. + +2009-12-02 Rafael Avila de Espindola <espindola@google.com> + + * incremental-dump.cc (main): Check that the offeset of a script is 0. + * incremental.cc (Incremental_inputs::sized_create_inputs_section_data): + Write 0 for the data_offset of scripts. + +2009-12-02 Rafael Avila de Espindola <espindola@google.com> + + * testsuite/Makefile.am: Add the incremental_test.sh test. + * testsuite/incremental_test.sh: New. + * testsuite/incremental_test_1.c: New. + * testsuite/incremental_test_2.c: New. + +2009-12-01 Rafael Avila de Espindola <espindola@google.com> + + * incremental-dump.cc (main): Fix typos. + +2009-11-27 Rafael Avila de Espindola <espindola@google.com> + + PR gold/11025 + * incremental-dump.cc (main): Use llu to print 64 bit values. + +2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org> + H.J. Lu <hongjiu.lu@intel.com> + + * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB) + $(LIBDL). + (incremental_dump_LDADD): Likewise. + * Makefile.in: Regenerated. + +2009-11-25 Doug Kwan <dougkwan@google.com> + + Revert: + + 2009-11-25 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Target_arm): Move method definition + outside of class definition. Add code to handle + --target1-rel, --target1-abs and --target2= options. + (Target_arm::get_reloc_reloc_type): Change method to be + non-static and const. + (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): + New data member declaration. + (Target_arm::Scan::local, Target_arm::Scan::global, + Target_arm::Relocate::relocate, + Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): + Adjust call to Target_arm::get_real_reloc_type. + (Target_arm::get_real_reloc_type): Use command line options + to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2. + * options.h (--target1-rel, --target1-abs, --target2): New + ARM-only options. + +2009-11-25 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Target_arm): Move method definition outside of + class definition. Add code to handle --target1-rel, --target1-abs + and --target2= options. + (Target_arm::get_reloc_reloc_type): Change method to be non-static + and const. + (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data + member declaration. + (Target_arm::Scan::local, Target_arm::Scan::global, + Target_arm::Relocate::relocate, + Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust + call to Target_arm::get_real_reloc_type. + (Target_arm::get_real_reloc_type): Use command line options to + determine real types of R_ARM_TARGET1 and R_ARM_TARGET2. + * options.h (--target1-rel, --target1-abs, --target2): New ARM-only + options. + +2009-11-25 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::may_use_thumb2_nop): New method definition. + (Arm_relocate_functions::thumb_branch_common): New metod declaration. + (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix + formatting. + (Arm_relocate_functions::thm_call): Replace body with a call to + Arm_relocate_functions::thumb_branch_common. + (Arm_relocate_functions::thm_jump24, + Arm_relocate_functions::thm_xpc22): New method definitions. + (Arm_relocate_functions::thumb_branch_common): New method definition. + (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or + operator. + (Target_arm::Relocate::relocate): Adjust call to thm_call. + Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24. + +2009-11-24 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.am: Build incremental-dump + * Makefile.in: Regenerate. + * incremental-dump.cc: New. + * incremental.cc (Incremental_inputs_header_data, + Incremental_inputs_entry_data): Move to incremental.h + * incremental.h: (Incremental_inputs_header_data, + Incremental_inputs_entry_data): Move from incremental.cc + +2009-11-24 Rafael Avila de Espindola <espindola@google.com> + + * incremental.cc (Incremental_inputs_header, + Incremental_inputs_header_write, Incremental_inputs_entry, + Incremental_inputs_entry_write): Add a typedef with the data type. + +2009-11-24 Rafael Avila de Espindola <espindola@google.com> + + * incremental.cc (Incremental_inputs_header, + Incremental_inputs_header_write, Incremental_inputs_entry, + Incremental_inputs_entry_write): Update comment about which + type has the filed descriptions. + +2009-11-15 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::may_use_arm_nop): New method definition. + (Arm_relocate_functions::arm_branch_common): Change method defintion + in class definition to a method declaration and update list of formal + parameters. + (Arm_relocate_functions::plt32, Arm_relocate_functions::call, + Arm_relocation_functions::jump24): Adjust call to + Arm_relocate_functions::arm_branch_common. Update list of formal + parameters. + (Arm_relocate_functions::xpc25): New method definition. + (Arm_relocate_functions::arm_branch_common): Move method defintion + out from class definition. Use stubs for mode-switching and extending + branch ranges. + (Target_arm::Relocate::relocate): Handle weakly-undefined symbols + specially. Change code to enable use of stubs in ARM branches. + +2009-11-10 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter + in method declaration. + (Target_arm::relocate_stub): New method declaration. + (Target_arm::default_target): Change to return a pointer instead of + a const reference. + (Reloc_stub::stub_type_for_reloc): Adjust for the change in + Target_arm::default_target. + (Arm_Relobj::do_relocate_sections): Remove options paramater in + method definition. + (Target_arm::relocate_section): Adjust view. + (Target_arm::relocate_stub): New method definition. + +2009-11-10 Doug Kwan <dougkwan@google.com> + + * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid + a format warning. + * incremental.cc (open_incremental_binary): Initialized local + variables to avoid warnings. + * object.cc (make_elf_object): Ditto. + * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid + a format warning. + +009-11-09 H.J. Lu <hongjiu.lu@intel.com> + + PR gold/10930 + * testsuite/plugin_test.c: Include "config.h". + +2009-11-09 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::fake_relnum_for_stubs): New constant. + (arm_symbol_value): Remove. + (Arm_relocate_functions::arm_branch_common, + Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5, + Arm_relocate_functions::abs12, Arm_relocate_functions::abs16, + Arm_relocate_functions::abs32, Arm_relocate_functions::rel32, + Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32, + Arm_relocate_functions::call, Arm_relocate_functions::jump24, + Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc, + Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc, + Arm_relocate_functions::thm_mobw_abs_nc, + Arm_relocate_functions::thm_mov_abs, + Arm_relocate_functions::movw_prel_nc, + Arm_relocate_functions::thm_movt_abs, + Arm_relocate_functions::movt_prel, + Arm_relocate_functions::thm_movw_prel_nc, + Arm_relocate_functions::thm_movt_prel): Adjust callers of the above. + (Target_arm::Relocate::relocate): Only decompose address into two + parts if relocation type uses the thumb-bit and pass the actual + bit instead of a flag indicating that the thumb-bit is used. Adjust + calls to methods in Arm_relocate_functions for this change. + +2009-11-08 Ian Lance Taylor <iant@google.com> + + PR 10925 + * reloc.cc: Instantiate + Sized_relobj::initialize_input_to_output_maps and + Sized_relobj:free_input_to_output_maps. + +2009-11-06 Ian Lance Taylor <iant@google.com> + + PR 10876 + * defstd.cc (in_segment): Set only_if_ref true for "end". + +2009-11-06 Doug Kwan <dougkwan@google.com> + + * arm.cc (class Reloc_stub): Correct a comment. + (Target_arm::Target_arm): Initialize arm_input_section_map_. + (Target_arm::scan_section_for_stubs): New method declaration. + (Target_arm::do_make_elf_object, Target_arm::do_make_output_section): + Change methods from private to protected. + (Target_arm::do_may_relax): New method definition. + (Target_arm::do_relax, Target_arm::group_sections, + Target_arm::scan_reloc_for_stub, + Target_arm::scan_reloc_section_for_stubs): New method declarations. + (Target_arm::arm_input_section_map_): New data member declaration. + (Target_arm::scan_reloc_for_stub, + Target_arm::scan_reloc_section_for_stubs, + Target_arm::scan_section_for_stubs, Target_arm::group_sections, + Target_arm::do_relax): New method definitions. + +2009-11-06 Mikolaj Zalewski <mikolaj@google.com> + + * configure.ac: Check for (struct stat)::st_mtim + * fileread.cc (File_read::get_mtime): Use st_mtim if available. + * config.in: Regenerate. + * configure: Regenerate. + +2009-11-05 Ian Lance Taylor <iant@google.com> + + PR 10910 + * output.cc (Output_segment::add_output_section): Add missing + return statement. + +2009-11-04 Ian Lance Taylor <iant@google.com> + + PR 10880 + * object.h (class Object): Add is_needed and set_is_needed + methods. Add is_needed_ field. Make bool fields into bitfields. + * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is + defined in a dynamic object and referenced by a regular object, + set is_needed for the dynamic object. + * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED + if the file is marked with as_needed and it is not needed. + +2009-11-04 Ian Lance Taylor <iant@google.com> + + PR 10887 + * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic + tags if data is discarded by linker script. + * i386.cc (Target_i386::do_finalize_sections): Likewise. + * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise. + * sparc.cc (Target_sparc::do_finalize_sections): Likewise. + * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise. + +2009-11-04 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::get_output_section): Add is_interp and + is_dynamic_linker_section parameters. Change all callers. + (Layout::choose_output_section): Likewise. + (Layout::make_output_section): Likewise. + (Layout::add_output_section_data): Add is_dynamic_linker_section + parameter. Change all callers. + * layout.h (class Layout): Update declarations. + * output.h (class Output_section): Add is_interp, set_is_interp, + is_dynamic_linker_section, set_is_dynamic_linker_section methods. + Add is_interp_, is_dynamic_linker_section_ fields. Change + generate_code_fills_at_write_ to a bitfield. + * output.cc (Output_section::Output_sections): Initialize new + fields. + (Output_segment::add_output_section): Add do_sort parameter. + Change all callers. + +2009-11-03 Ian Lance Taylor <iant@google.com> + + PR 10860 + * options.h (class General_options): Add --warn-common. + * resolve.cc (Symbol_table::resolve): Handle --warn-common when + merging two common symbols. + (Symbol_table::should_override): Handle --warn-common when merging + a common symbol with a defined symbol. Use report_resolve_problem + for multiple definitions. + (Symbol_table::report_resolve_problem): New function. + * symtab.h (class Symbol_table): Declare report_resolve_problem. + +2009-11-03 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and + stub_factory_. + (Target_arm::stub_factory): New method definition. + (Target_arm::new_arm_input_section, + Target_arm::find_arm_input_section, Target_arm::new_stub_table, + Target_arm::reloc_uses_thumb_bit): New method declarations. + (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): + New type definitions. + (Target_arm::stub_tables_, Target_arm::stub_factory_): New data + member declarations. + (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section, + Target_arm::find_arm_input_section, Target_arm::new_stub_table): + New method definitions. + +2009-11-03 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Add --warn_constructors. + +2009-11-03 Ian Lance Taylor <iant@google.com> + + PR 10893 + * defstd.cc (in_section): Add entries for __rel_iplt_start, + __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack. + +2009-11-03 Ian Lance Taylor <iant@google.com> + + PR 10895 + * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and + --msgid-bugs-address. + (install-pdf): New target. + (install-data_yes): Look up one directory to find mkinstalldirs. + +2009-11-03 H.J. Lu <hongjiu.lu@intel.com> + + * po/Make-in (.po.gmo): Don't generate .gmo files in source + tree. + +2009-10-30 Doug Kwan <dougkwan@google.com> + + * arm.cc (Stub_addend_reader): Fix bug in previouls check-in. + +2009-10-30 Doug Kwan <dougkwan@google.com> + + * arm.cc (Stub_addend_reader): New struct template definition + and partial specializations. + (Stub_addend_reader::operator()): New method definition for a + partially specialized template. + +2009-10-30 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj::processor_specific_flags): New method + definition. + (Arm_relobj::do_read_symbols): New method declaration. + (Arm_relobj::processor_specific_flags_): New data member declaration. + (Arm_dynobj): New class definition. + (Target_arm::do_finalize_sections): Add input_objects parameter. + (Target_arm::do_adjust_elf_header): New method declaration. + (Target_arm::are_eabi_versions_compatible, + (Target_arm::merge_processor_specific_flags): New method declaration. + (Target_arm::do_make_elf_object): New overloaded method definitions + and declaration. + (Arm_relobj::do_read_symbols): New method definition. + (Arm_dynobj::do_read_symbols): Ditto. + (Target_arm::do_finalize_sections): Add input_objects parameters. + Merge processor-specific flags from all input objects. + (Target_arm::are_eabi_versions_compatible, + Target_arm::merge_processor_specific_flags, + Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object): + New method definitions. + * i386.cc (Target_i386::do_finalize_sections): Add unnamed + Input_objects pointer type parameter. + * layout.cc (Layout::finalize): Pass input objects to target's. + finalize_sections function. + * output.cc (Output_file_header::do_sized_write): Set ELF file + header's processor-specific flags. + * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed + Input_objects pointer type parameter. + * sparc.cc (Target_sparc::do_finalize_sections): Same. + * target.h (Input_objects): New forward class declaration. + (Target::processor_specific_flags, + Target::are_processor_specific_flags_sect): New method definitions. + (Target::finalize_sections): Add input_objects parameter. + (Target::Target): Initialize processor_specific_flags_ and + are_processor_specific_flags_set_. + (Target::do_finalize_sections): Add unnamed Input_objects pointer type + parameter. + (Target::set_processor_specific_flags): New method definition. + (Target::processor_specific_flags_, + Target::are_processor_specific_flags_set_): New data member + declarations. + * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed + Input_objects pointer type parameter. + +2009-10-30 Doug Kwan <dougkwan@google.com> + + * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr. + +2009-10-28 Ian Lance Taylor <iant@google.com> + + * object.h (class Relobj): Drop options parameter from + gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs, + do_scan_relocs, do_relocate. Change all callers. + (class Sized_relobj): Drop options parameters from + do_gc_process_relocs, do_scan_relocs, do_relocate, + do_relocate_sections, relocate_sections, emit_relocs_scan, + emit_relocs_scan_reltype. Change all callers. + (struct Relocate_info): Remove options field and all references to + it. + * reloc.h (class Read_relocs): Remove options constructor + parameter and options_ field. Change all callers. + (class Gc_process_relocs, class Scan_relocs): Likewise. + (class Relocate_task): Likewise. + * target-reloc.h (scan_relocs): Remove options parameter. Change + all callers. + (scan_relocatable_relocs): Likewise. + * target.h (class Sized_target): Remove options parameter from + gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change + all callers. + * gc.h (gc_process_relocs): Remove options parameter. Change all + callers. + * arm.cc: Update functions to remove options parameters. + * i386.cc: Likewise. + * powerpc.cc: Likewise. + * sparc.cc: Likewise. + * x86_64.cc: Likewise. + * testsuite/testfile.cc: Likewise. + +2009-10-28 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_relobj): New class definition. + (Arm_relobj::scan_sections_for_stubs, + Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections): + New method definitions. + +2009-10-28 Cary Coutant <ccoutant@google.com> + + * plugin.h (Plugin::Plugin): Initialize cleanup_done_. + (Plugin::cleanup_done_): New member. + (Plugin_manager::Plugin_manager): Remove cleanup_done_. + (Plugin_manager::cleanup_done_): Remove. + (Plugin_manager::add_input_file): Edit error message. + * plugin.cc (Plugin::cleanup): Test and set cleanup_done_. + (Plugin_manager::cleanup): Remove use of cleanup_done_. + +2009-10-27 Mikolaj Zalewski <mikolajz@google.com> + + * fileread.cc: (File_read::View::~View): Use the new + data_ownership_ filed. + (File_read::~File_read): Dispose the new whole_file_view_. + (File_read::open): Mmap the whole file if needed. + (File_read::open): Use whole_file_view_ instead of contents_. + (File_read::find_view): Use whole_file_view_ if applicable. + (File_read::do_read): Use whole_file_view_ instead of contents_. + (File_read::make_view): Use whole_file_view_ instead of contents_, + update File_read::View::View call. + (File_read::find_or_make_view): Update File_read::View::View + call. + * fileread.h: (File_read::File_read): Initialize whole_file_view_, + remove contents_ + (File_read::View::Data_ownership): New enum. + (File_read::View::View): Replace bool mapped_ with Data_ownership + argument. + (File_read::View::mapped_): Remove (replaced by data_ownership_). + (File_read::View::data_ownership_): New field. + (File_read::contents_): Remove (replaced by whole_file_view_). + (File_read::whole_file_view_): New field. + * options.h (class General_options): Add --keep-files-mapped. + +2009-10-27 Cary Coutant <ccoutant@google.com> + + * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary. + * testsuite/Makefile.am (plugin_test_5): New test case. + * testsuite/Makefile.in: Regenerate. + +2009-10-25 Doug Kwan <dougkwan@google.com> + + * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change + from private to protected to allow access by child class. + (Sized_relobj::do_relocate_sections): New method declaration. + (Sized_relobj::relocate_sections): Virtualize. + * reloc.cc (Sized_relobj::do_relocate_sections): Rename from + Sized_relobj::relocate_sections. Instantiate template explicitly + for different target sizes and endianity. + +2009-10-24 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations. + (Arm_input_section::as_arm_input_section): New method. + (Arm_output_section): New class definition. + (Arm_output_section::create_stub_group, + Arm_output_section::group_sections): New method definitions. + +2009-10-22 Doug Kwan <dougkwan@google.com> + + * arm.cc (Arm_input_section): New class definition. + (Arm_input_section::init, Arm_input_section:do_write, + Arm_input_section::set_final_data_size, + Arm_input_section::do_reset_address_and_file_offset): New method + definitions. + +2009-10-21 Doug Kwan <dougkwan@google.com> + + * arm.cc (Stub_table, Arm_input_section): New forward class + declarations. + (Stub_table): New class defintion. + (Stub_table::add_reloc_stub, Stub_table::relocate_stubs + Stub_table::do_reset_address_and_file_offset, Stub_table::do_write): + New method definition. + +2009-10-21 Doug Kwan <dougkwan@google.com> + + * arm.cc: Update copyright comments. + (Target_arm): New forward class template declaration. + (Arm_address): New type. + (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET, + THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET, + THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New + constants. + (Insn_template): Same. + (DEF_STUBS): New macro. + (Stub_type): New enum type. + (Stub_template): New class definition. + (Stub): Same. + (Reloc_stub): Same. + (Stub_factory): Same. + (Target_arm::Target_arm): Initialize may_use_blx_ and + should_force_pic_veneer_. + (Target_arm::may_use_blx, Target_arm::set_may_use_blx, + Target_arm::should_force_pic_veneer, + Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2, + Target_arm::using_thumb_only, Target_arm:;default_target): New + method defintions. + (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_): + New data member declarations. + (Insn_template::size, Insn_template::alignment): New method defintions. + (Stub_template::Stub_template): New method definition. + (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc, + Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same. + (Stub_factory::Stub_factory): New method definition. + * gold.h (string_hash): New template. + * output.h (Input_section_specifier::hash_value): Use + gold::string_hash. + (Input_section_specifier::string_hash): Remove. + * stringpool.cc (Stringpool_template::string_hash): Use + gold::string_hash. + +2009-10-20 Doug Kwan <dougkwan@google.com> + + * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section + symbols of relaxed input sections. + * output.h (Output_section::find_relaxed_input_section): Make + method public. + +2009-10-16 Doug Kwan <dougkwan@google.com> + + * dynobj.cc (Versions::Versions): Initialize version_script_. + Only insert base version symbol definition for a shared object + if version script defines any version versions. + (Versions::define_base_version): New method definition. + (Versions::add_def): Check that base version is not needed. + (Versions::add_need): Define base version lazily. + * dynobj.h (Versions::define_base_version): New method declaration. + (Versions::needs_base_version_): New data member declaration. + * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh + (check_DATA): Add no_version_test.stdout. + (libno_version_test.so, no_version_test.o no_version_test.stdout): + New make rules. + * testsuite/Makefile.in: Regenerate. + * testsuite/no_version_test.c: New file. + * testsuite/no_version_test.sh: Ditto. + +2009-10-16 Doug Kwan <dougkwan@google.com> + + * expression.cc (class Segment_start_expression): New class definition. + (Segment_start_expression::value): New method definition. + (script_exp_function_segment_start): Return a new + Segment_start_expression. + * script-c.h (script_saw_segment_start_expression): New function + prototype. + * script-sections.cc (Script_sections::Script_sections): Initialize + SAW_SEGMENT_START_EXPRESSION_ to false. + (Script_sections::set_section_addresses): Use -Ttext, -Tdata + and -Tbbs options to specify section addresses if given in + command line and no SEGMENT_START expression is seen in a script. + * script-sections.h (Script_sections::saw_segment_start_expression, + Script_sections::set_saw_segment_start_expression): New method + definition. + (Script_sections::saw_segment_start_expression_): New data member + declaration. + * script.cc (script_saw_segment_start_expression): New function. + * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression. + * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh, + script_test_7.sh and script_test_8.sh. + (check_DATA): Add script_test_6.stdout, script_test_7.stdout and + script_test_8.stdout. + (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8. + (script_test_6, script_test_6.stdout, script_test_7, + script_test_7.stdout, script_test_8, script_test_8.stdout): New rules. + * Makefile.in: Regenerate. + * testsuite/script_test_6.sh: New file. + * testsuite/script_test_6.t: Same. + * testsuite/script_test_7.sh: Same. + * testsuite/script_test_7.t: Same. + * testsuite/script_test_8.sh: Same. + +2009-10-16 Doug Kwan <dougkwan@google.com> + + * output.cc (Output_segment::set_section_list_address): Cast + expressions to unsigned long long type to avoid format warnings. + +2009-10-15 Ian Lance Taylor <iant@google.com> + + * script.cc (Script_options::add_symbol_assignment): Always add a + dot assignment to script_sections_. + * script-sections.cc (Script_sections::add_dot_assignment): + Initialize if necessary. + + * layout.cc (Layout::relaxation_loop_body): Don't crash if we see + program headers with no load segment if there is a linker script. + + * layout.cc (Layout::set_segment_offsets): Align the file offset + to the segment aligment for -N or -n with no load segment. + * output.cc (Output_segment::add_output_section): Don't crash if + the first section is a TLS section. + (Output_segment::set_section_list_addresses): Print an error + message if the address moves backward in a linker script. + * script-sections.cc + (Output_section_element_input::set_section_addresses): Don't + increase *dot_value for a SHF_TLS/SHT_NOBITS section. + (Orphan_output_section::set_section_addresses): Likewise. + +2009-10-15 Doug Kwan <dougkwan@google.com> + + * layout.cc (Layout::finish_dynamic_section): Generate tags + DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ, + DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is + used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS. + +2009-10-14 Ian Lance Taylor <iant@google.com> + + * object.h (class Relocate_info): Add reloc_shdr and data_shdr + fields. + * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and + data_shdr fields of relinfo. + * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field. + (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For + R_386_TLS_LDO_32, adjust based on section flags. + (Target_i386::Relocate::fix_up_ldo): Remove. + +2009-10-13 Ian Lance Taylor <iant@google.com> + + Add support for -pie. + * options.h (class General_options): Add -pie and + --pic-executable. + (General_options::output_is_position_independent): Test -pie. + (General_options::output_is_executable): Return true if not shared + and not relocatable. + (General_options::output_is_pie): Remove. + * options.cc (General_options::finalize): Reject incompatible uses + of -pie. + * gold.cc (queue_middle_tasks): A -pie link is not static. + * symtab.h (Symbol::needs_plt_entry): Return false if -pie. + * symtab.cc (Symbol::final_value_is_known): Return false if + output_is_position_independent. + * layout.cc (Layout::set_segment_offsets): Start at address 0 if + output_is_position_independent. + * output.cc (Output_file_header::do_sized_write): Use ET_DYN if + output_is_position_independent. + * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if + output_is_position_independent. + * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and + two_file_pie_test. + (basic_pie_test.o, basic_pie_test): New targets. + (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets. + (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets. + (two_file_pie_test): New target. + * testsuite/Makefile.in: Rebuild. + * README: Remove note saying that -pie is not supported. + +2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * options.h (class General_options): Add -init and -fini. + * layout.cc (Layout::finish_dynamic_section): Emit + given init and fini functions. + +2009-10-13 Sriraman Tallam <tmsriram@google.com> + + * gc.h (gc_process_relocs): Check if icf is enabled using new + function. + * gold.cc (queue_initial_tasks): Likewise. + (queue_middle_tasks): Likewise. + * object.cc (do_layout): Likewise. + * symtab.cc (is_section_folded): Likewise. + * main.cc (main): Likewise. + * reloc.cc (Read_relocs::run): Likewise. + (Sized_relobj::do_scan_relocs): Likewise. + * icf.cc (is_function_ctor_or_dtor): New function. + (Icf::find_identical_sections): Check if function is ctor or dtor when + safe icf is chosen. + * options.h (General_options::icf): Change option to be an enum. + (Icf_status): New enum. + (icf_enabled): New method. + (icf_safe_folding): New method. + (set_icf_status): New method. + (icf_status_): New variable. + * (options.cc) (General_options::finalize): Set icf_status_. + * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify + icf_test and icf_keep_unique_test to use the --icf enum flag. + * testsuite/icf_safe_test.sh: New file. + * testsuite/icf_safe_test.cc: New file. + +2009-10-12 Sriraman Tallam <tmsriram@google.com> + + * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove + includes to gc.h and icf.h. + * arm.cc: Include gc.h. + * gold.cc: Likewise. + * i386.cc: Likewise. + * powerpc.cc: Likewise. + * sparc.cc: Likewise. + * x86_64.cc: Likewise. + * gc.h: Include icf.h. + +2009-10-11 Ian Lance Taylor <iant@google.com> + + * plugin.cc: Include "gold.h" before other header files. + +2009-10-10 Chris Demetriou <cgd@google.com> + + * options.h (Input_file_argument::Input_file_type): New enum. + (Input_file_argument::is_lib_): Replace with... + (Input_file_argument::type_): New member. + (Input_file_argument::Input_file_argument): Take Input_file_type + 'type' rather than boolean 'is_lib' as second argument. + (Input_file_argument::is_lib): Use type_. + (Input_file_argument::is_searched_file): New function. + (Input_file_argument::may_need_search): Handle is_searched_file. + * options.cc (General_options::parse_library): Support -l:filename. + (General_options::parse_just_symbols): Update for Input_file_argument + changes. + (Command_line::process): Likewise. + * archive.cc (Archive::get_file_and_offset): Likewise. + * plugin.cc (Plugin_manager::release_input_file): Likewise. + * script.cc (read_script_file, script_add_file): Likewise. + * fileread.cc (Input_file::Input_file): Likewise. + (Input_file::will_search_for): Handle is_searched_file. + (Input_file::open): Likewise. + * readsyms.cc (Read_symbols::get_name): Likewise. + * testsuite/Makefile.am (searched_file_test): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/searched_file_test.cc: New file. + * testsuite/searched_file_test_lib.cc: New file. + +2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + Ian Lance Taylor <iant@google.com> + + * descriptor.cc: Include <cstdio> and "binary-io.h". + (Descriptors::open): Open the files in binary mode always. + * script.cc (Lex::get_token): Treat \r as whitespace. + +2009-10-09 Ian Lance Taylor <iant@google.com> + + * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0. + +2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + Ian Lance Taylor <iant@google.com> + + * configure.ac: Check for readv function also. + * fileread.cc (readv): Define if not HAVE_READV. + * fileread.h (File_read:: max_readv_entries): Set to 1 if readv + does not exist. + * config.in: Regenerate. + * configure: Regenerate. + +2009-10-09 Doug Kwan <dougkwan@google.com> + + * layout.cc (Layout::make_output_section): Call target hook to make + ordinary output section. + (Layout::finalize): Adjust parameter list of call the + Target::may_relax(). + * layout.h (class Layout::section_list): New method. + * merge.h (Output_merge_base::entsize): Change visibility to public. + (Output_merge_base::is_string, Output_merge_base::do_is_string): + New methods. + (Output_merge_string::do_is_string): New method. + * object.cc (Sized_relobj::do_setup): renamed from + Sized_relobj::set_up. + * object.h (Sized_relobj::adjust_shndx, + Sized_relobj::initializ_input_to_output_maps, + Sized_relobj::free_input_to_output_maps): Change visibilities to + protected. + (Sized_relobj::setup): Virtualize. + (Sized_relobj::do_setup): New method declaration. + (Sized_relobj::invalidate_section_offset, + Sized_relobj::do_invalidate_section_offset): New method decfinitions. + (Sized_relobj::elf_file, Sized_relobj::local_values): New methods. + * options.cc (parse_int): New function. + * options.h (parse_int): New declaration. + (DEFINE_int): New macro. + (stub_group_size): New option. + * output.cc (Output_section::Output_section): Initialize memebers + merge_section_map_, merge_section_by_properties_map_, + relaxed_input_section_map_, is_relaxed_input_section_map_valid_. + (Output_section::add_input_section): Handled deferred code-fill + generation and remove an old comment. + (Output_section::add_relaxed_input_section): New method definition. + (Output_section::add_merge_input_section): Use merge section by + properties map to speed to search. Update merge section maps + as appropriate. + (Output_section::build_relaxation_map): New method definition. + (Output_section::convert_input_sections_in_list_to_relaxed_sections): + Same. + (Output_section::relax_input_section): Renamed to + Output_section::convert_input_sections_to_relaxed_sections and change + interface to take a vector of pointers to relaxed sections. + (Output_section::find_merge_section, + Output_section::find_relaxed_input_section): New method definitions. + (Output_section::is_input_address_mapped, + Output_section::output_offset, Output_section::output_address): + Use output section data maps to speed up searching. + (Output_section::find_starting_output_address): Add comments. + (Output_section::do_write, + Output_section::write_to_postprocessing_buffer): Do code-fill + generation as appropriate. + (Output_section::get_input_sections): Invalidate relaxed input section + map. + (Output_section::restore_states): Adjust type of checkpoint . + Invalidate relaxed input section map. + * output.h (Output_merge_base): New class declaration. + (Input_section_specifier): New class defintion. + (class Output_relaxed_input_section) Change base class to + Output_section_data_build. + (Output_relaxed_input_section::Output_relaxed_input_section): Adjust + base class initializer. + (Output_section::add_relaxed_input_section): New method declaration. + (Output_section::Input_section): Change visibility to protected. + (Output_section::Input_section::relobj, + Output_section::Input_section::shndx): Handle relaxed input sections. + Output_section::input_sections) Change visibility to protected. Also + define overload to return a non-const pointer. + (Output_section::Merge_section_properties): New class defintion. + (Output_section::Merge_section_by_properties_map, + Output_section::Output_section_data_by_input_section_map, + Output_section::Relaxation_map): New types. + (Output_section::relax_input_section): Rename method to + Output_section::convert_input_sections_to_relaxed_sections and change + interface to take a vector of relaxed section pointers. + (Output_section::find_merge_section, + Output_section::find_relaxed_input_section, + Output_section::build_relaxation_map, + Output_section::convert_input_sections_in_list_to_relaxed_sections): + New method declarations. + (Output_section::merge_section_map_ + Output_section::merge_section_by_properties_map_, + Output_section::relaxed_input_section_map_, + Output_section::is_relaxed_input_section_map_valid_, + Output_section::generate_code_fills_at_write_): New data members. + * script-sections.cc + (Output_section_element_input::set_section_addresses): Call + current_data_size and addralign methods of relaxed input sections. + (Orphan_output_section::set_section_addresses): Call current_data_size + and addralign methods of relaxed input sections. + * symtab.cc (Symbol_table::compute_final_value): Extract template + from the body of Symbol_table::sized_finalize_symbol. + (Symbol_table::sized_finalized_symbol): Call + Symbol_table::compute_final_value. + * symtab.h (Symbol_table::Compute_final_value_status): New enum type. + (Symbol_table::compute_final_value): New templated method declaration. + * target.cc (Target::do_make_output_section): New method defintion. + * target.h (Target::make_output_section): New method declaration. + (Target::relax): Add more parameters for input objects, symbol table + and layout. Adjust call to do_relax. + (Target::do_make_output_section): New method declaration. + (Target::do_relax): Add parameters for input objects, symbol table + and layout. + +2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * pread.c: Include stdio.h. + +2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not + defined. + +2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info): + Change read_shndx type to unsigned int. + (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned + int. + (Sized_dwarf_line_info::read_line_mappings): Likewise. + * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info): + Change read_shndx type to unsigned int. + (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned + int. + (Sized_dwarf_line_info::read_line_mappings): Likewise. + * layout.cc (Layout::create_symtab_sections): Cast the result of + local_symcount * symsize to off_t in the gold_assert. + +2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for + R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16, + R_ARM_BASE_ABS. + (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter. + (Arm_relocate_functions::thm_abs5): New function. + (Arm_relocate_functions::abs12): New function. + (Arm_relocate_functions::abs16): New function. + (Arm_relocate_functions::base_abs): New function. + (Scan::check_non_pic): Handle R_ARM_ABS32_NOI. + (Scan::local): Remove special handling of R_ARM_ABS8. Handle + R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and + R_ARM_BASE_ABS. + (Scan::global): Likewise. + (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16, + R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS. + (Relocatable_size_for_reloc::get_size_for_reloc): Handle + R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and + R_ARM_BASE_ABS. + +2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Arm_relocate_functions::movw_prel_nc): New function. + (Arm_relocate_functions::movt_prel): New function. + (Arm_relocate_functions::thm_movw_prel_nc): New function. + (Arm_relocate_functions::thm_movt_prel): New function. + (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL, + R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL. + (Scan::global, Relocate::relocate): Likewise. + (Relocatable_size_for_reloc::get_size_for_reloc): Likewise. + +2009-10-09 Mikolaj Zalewski <mikolajz@google.com> + + * gold.cc: (queue_initial_tasks): Pass incremental_inputs to + Incremental_checker. + * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to + unsigned int. + (class Incremental_inputs_header): New class. + (Incremental_inputs_header_writer): Edit comment. + (Incremental_inputs_entry): New class. + (Incremental_inputs_entry_writer): Edit comment. + (Sized_incremental_binary::do_find_incremental_inputs_section): + Add *strtab_shndx parameter, fill it. + (Sized_incremental_binary::do_check_inputs): New method. + (Incremental_checker::can_incrementally_link_output_file): Use + Sized_incremental_binary::check_inputs. + (Incremental_inputs::report_command_line): Save command line in + command_line_. + * incremental.h: + (Incremental_binary::find_incremental_inputs_section): New + method. + (Incremental_binary::do_find_incremental_inputs_section): Add + strtab_shndx parameter. + (Incremental_binary::do_check_inputs): New pure virtual method. + (Sized_incremental_binary::do_check_inputs): Declare. + (Incremental_checker::Incremental_checker): Add incremental_inputs + parameter, use it to initialize incremental_inputs_. + (Incremental_checker::incremental_inputs_): New field. + (Incremental_checker::command_line): New method. + (Incremental_checker::inputs): New method. + (Incremental_checker::command_line_): New field. + +2009-10-09 Mikolaj Zalewski <mikolajz@google.com> + + * incremental.cc: Include <cstdarg> and "target-select.h". + (vexplain_no_incremental): New function. + (explain_no_incremental): New function. + (Incremental_binary::error): New method. + (Sized_incremental_binary::do_find_incremental_inputs_section): New + method. + (make_sized_incremental_binary): New function. + (open_incremental_binary): New function. + (can_incrementally_link_file): Add checks if output is ELF and has + inputs section. + * incremental.h: Include "elfcpp_file.h" and "output.h". + (Incremental_binary): New class. + (Sized_incremental_binary): New class. + (open_incremental_binary): Declare. + * object.cc (is_elf_object): Use + elfcpp::Elf_recognizer::is_elf_file. + (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header. + * output.h (Output_file::filesize): New method. + +2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend): + New function. + (Arm_relocate_functions::insert_val_arm_movw_movt): New function. + (Arm_relocate_functions::extract_thumb_movw_movt_addend): New + function. + (Arm_relocate_functions::insert_val_thumb_movw_movt): New + function. + (Arm_relocate_functions::movw_abs_nc): New function. + (Arm_relocate_functions::movt_abs): New function. + (Arm_relocate_functions::thm_movw_abs_nc): New function. + (Arm_relocate_functions::thm_movt_abs): New function. + (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS, + R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS. + (Scan::global): Likewise. + (Relocate::relocate): Likewise. + (Relocatable_size_for_reloc::get_size_for_reloc): Likewise. + +2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (Arm_relocate_functions::got_prel) New function. + (Scan::local, Scan::global): Handle R_ARM_GOT_PREL. + (Relocate::relocate): Likewise. + (Relocatable_size_for_reloc::get_size_for_reloc): Likewise. + +2009-10-06 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Define + split_stack_adjust_size parameter. + * object.h (class Object): Add uses_split_stack_ and + has_no_split_stack_ fields. Add uses_split_stack and + has_no_split_stack accessor functions. Declare + handle_split_stack_section. + (class Reloc_symbol_changes): Define. + (class Sized_relobj): Define Function_offsets. Declare + split_stack_adjust, split_stack_adjust_reltype, and + find_functions. + * object.cc (Object::handle_split_stack_section): New function. + (Sized_relobj::do_layout): Call handle_split_stack_section. + * dynobj.cc (Sized_dynobj::do_layout): Call + handle_split_stack_section. + * reloc.cc (Sized_relobj::relocate_sections): Call + split_stack_adjust for executable sections in split_stack + objects. Pass reloc_map to relocate_section. + (Sized_relobj::split_stack_adjust): New function. + (Sized_relobj::split_stack_adjust_reltype): New function. + (Sized_relobj::find_functions): New function. + * target-reloc.h: Include "object.h". + (relocate_section): Add reloc_symbol_changes parameter. Change + all callers. + * target.h (class Target): Add calls_non_split method. Declare + do_calls_non_split virtual method. Declare match_view and + set_view_to_nop. + * target.cc: Include "elfcpp.h". + (Target::do_calls_non_split): New function. + (Target::match_view): New function. + (Target::set_view_to_nop): New function. + * gold.cc (queue_middle_tasks): Give an error if mixing + split-stack and non-split-stack objects with -r. + * i386.cc (Target_i386::relocate_section): Add + reloc_symbol_changes parameter. + (Target_i386::do_calls_non_split): New function. + * x86_64.cc (Target_x86_64::relocate_section): Add + reloc_symbol_changes parameter. + (Target_x86_64::do_calls_non_split): New function. + * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes + parameter. + * powerpc.cc (Target_powerpc::relocate_section): Add + reloc_symbol_changes parameter. + * sparc.cc (Target_sparc::relocate_section): Add + reloc_symbol_changes parameter. + * configure.ac: Call AM_CONDITIONAL for the default target. + * configure: Rebuild. + * testsuite/Makefile.am (TEST_AS): New variable. + (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh. + (check_DATA): Add split_i386 and split_x86_64 files. + (SPLIT_DEFSYMS): Define. + (split_i386_[1234n].o): New targets. + (split_i386_[124]): New targets. + (split_i386_[1234r].stdout): New targets. + (split_x86_64_[1234n].o): New targets. + (split_x86_64_[124]): New targets. + (split_x86_64_[1234r].stdout): New targets. + (MOSTLYCLEANFILES): Add new executables. + * testsuite/split_i386.sh: New file. + * testsuite/split_x86_64.sh: New file. + * testsuite/split_i386_1.s: New file. + * testsuite/split_i386_2.s: New file. + * testsuite/split_i386_3.s: New file. + * testsuite/split_i386_4.s: New file. + * testsuite/split_i386_n.s: New file. + * testsuite/split_x86_64_1.s: New file. + * testsuite/split_x86_64_2.s: New file. + * testsuite/split_x86_64_3.s: New file. + * testsuite/split_x86_64_4.s: New file. + * testsuite/split_x86_64_n.s: New file. + * testsuite/testfile.cc (Target_test): Update relocation_section + function. + * testsuite/Makefile.in: Rebuild. + +2009-10-06 Ian Lance Taylor <iant@google.com> + + * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field. + (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before + changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When + handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push + the address on ldo_addrs_. + (Target_i386::Relocate::fix_up_ldo): New function. + +2009-10-06 Rafael Espindola <espindola@google.com> + + * plugin.cc (add_input_library): New. + (Plugin::load): Add add_input_library to tv. + (Plugin_manager::add_input_file): Add the is_lib argument. + (add_input_file): Update call to Plugin_manager::add_input_file. + (add_input_library): New. + * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument. + +2009-09-30 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function + symbol and call Symbol::may_need_copy_reloc to determine if + a copy reloc is needed. + * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z + nocopyreloc is given in command line. + (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not + given in command line. + * i386.cc (Target_i386::may_need_copy_reloc): Remove. + (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead + of the removed Target_i386::may_need_copy_reloc. + * options.h (copyreloc): New option with default value false. + * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove. + (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc + instead of the removed Target_powerpc::may_need_copy_reloc. + * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove. + (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc + instead of the removed Target_sparc::may_need_copy_reloc. + * symtab.h (Symbol::may_need_copy_reloc): New method definition. + * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove. + (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc + instead of the removed Target_x86_64::may_need_copy_reloc. + +2009-09-30 Ian Lance Taylor <iant@google.com> + + * object.h (class Object): Remove target_ field, and target, + sized_target, and set_target methods. + (Object::sized_target): Remove. + (class Sized_relobj): Update declarations. Remove sized_target. + * object.cc (Sized_relobj::setup): Remove target parameter. + Change all callers. + (Input_objects::add_object): Don't do anything with the target. + (make_elf_sized_object): Add punconfigured parameter. Change all + callers. Set or test parameter target. + * dynobj.cc (Sized_dynobj::target): Remove target parameter. + Change all callers. + * parameters.cc (Parameters::set_target): Change parameter type to + be non-const. + (Parameters::default_target): Remove. + (set_parameters_target): Change parameter type to be non-const. + (parameters_force_valid_target): New function. + (parameters_clear_target): New function. + * parameters.h (class Parameters): Update declarations. Remove + default_target method. Add sized_target and clear_target + methods. Change target_ to be non-const. + (set_parameters_target): Update declaration. + (parameters_force_valid_target): Declare. + (parameters_clear_target): Declare. + * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured + as NULL if we aren't searching. + (Add_symbols::run): Don't check for compatible target. + * fileread.cc (Input_file::open_binary): Call + parameters_force_valid_target. + * gold.cc (queue_middle_tasks): Likewise. + * plugin.cc (make_sized_plugin_object): Likewise. Don't call + set_target on object. + * dynobj.h (class Sized_dynobj): Update declarations. + * archive.cc (Archive::get_elf_object_for_member): Return NULL if + make_elf_object returns NULL. + (Archive::include_member): Don't check whether object target is + compatible. + * output.cc (Output_section::add_input_section): Get target from + parameters. + (Output_section::relax_input_section): Likewise. + * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from + parameters. + (Sized_relobj::do_scan_relocs): Likewise. + (Sized_relobj::relocate_sections): Likewise. + * resolve.cc (Symbol_table::resolve): Likewise. + * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object + parameter. Change all callers. + (Symbol_table::add_from_object): Get target from parameters. + (Symbol_table::add_from_relobj): Don't check object target. + (Symbol_table::add_from_dynobj): Likewise. + (Symbol_table::define_special_symbol): Get target from + parameters. + * symtab.h (class Symbol_table): Update declaration. + * testsuite/binary_unittest.cc (gold_testsuite): Remove target + parameter. Change all callers. Clear parameter target. + (Binary_test): Test target here. + * testsuite/object_unittest.cc (gold_testsuite): Remove + target_test_pointer parameter. Change all callers. + (Object_test): Test target here. + +2009-09-26 Ian Lance Taylor <iant@google.com> + + * testsuite/initpri1.c: Don't try to use constructor priorities if + compiling with gcc before 4.3. + +2009-09-22 Mikolaj Zalewski <mikolajz@google.com> + + * testsuite/retain_symbols_file_test.sh (check_present): Change + output file name to retain_symbols_file_test.stdout. + (check_absent): Likewise. + +2009-09-18 Craig Silverstein <csilvers@google.com> + + * object.cc (Sized_relobj::do_count): Test should_retain_symbol map. + * options.cc: Include <cerrno> and <fstream>. + (General_options::finalize): Parse -retain-symbols-file tag. + * options.h: New flag. + (General_options): New method should_retain_symbol, new + variable symbols_to_retain. + * symtab.cc (Symbol_table::sized_finalize_symbol): Test + should_retain_symbol map. + * testsuite/Makefile.am (retain_symbols_file_test): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/retain_symbols_file_test.sh: New file. + +2009-09-18 Nick Clifton <nickc@redhat.com> + + * po/es.po: Updated Spanish translation. + +2009-09-17 Doug Kwan <dougkwan@google.com> + + * debug.h (DEBUG_RELAXATION): New constant. + (DEBUG_ALL): Add DEBUG_RELAXATION. + (debug_string_to_enum): Add relaxation debug option. + * layout.cc + (Layout::Relaxation_debug_check::check_output_data_for_reset_values, + Layout::Relaxation_debug_check::read_sections, + Layout::Relaxation_debug_check::read_sections): New method definitions. + (Layout::Layout): Initialize data members + record_output_section_data_from_scrips_, + script_output_section_data_list_ and relaxation_debug_check_. + (Layout::save_segments, Layout::restore_segments, + Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation, + Layout::relaxation_loop_body): New method definitions. + (Layout::finalize): Support relaxation. Move section layout code to + Layout::relaxation_loop_body. + (Layout::set_asection_address_from_script): Move code for orphan + section placement out. + (Layout::place_orphan_sections_in_script): New method definition. + * layout.h (Output_segment_headers, Output_file_header): + New forward class declarations. + (Layout::~Layout): Define. + (Layout::new_output_section_data_from_script): New method definition. + (Layout::place_orphan_sections_in_script): New method declaration. + (Layout::Segment_states): New type declaration. + (Layout::save_segments, Layout::restore_segments, + Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation, + Layout::relaxation_loop_body): New method declarations. + (Layout::Output_section_data_list): New type declaration. + (Layout::Relaxation_debug_check): New class definition. + (Layout::record_output_section_data_from_script_, + Layout::script_output_section_data_list_, Layout::segment_states_, + Layout::relaxation_debug_check_): New data members. + * output.cc: (Output_section_headers::do_size): New method definition. + (Output_section_headers::Output_section_headers): Move size + computation to Output_section_headers::do_size. + (Output_segment_headers::do_size): New method definition. + (Output_file_header::Output_file_header): Move size computation to + Output_file_header::do_size and call it. + (Output_file_header::do_size): New method definition. + (Output_data_group::Output_data_group): Adjust call to + Output_section_data. + (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once. + (Output_symtab_xindex::do_write): Add array bound check. + (Output_section::Input_section::print_to_mapfile): Handle + RELAXED_INPUT_SECTION_CODE. + (Output_section::Output_section): Initialize data member checkpoint_. + (Output_section::~Output_section): Delete checkpoint object pointed + by checkpoint_. + (Output_section::add_input_section): Always add an Input_section if + relaxing. + (Output_section::add_merge_input_section): Add assert. + (Output_section::relax_input_section): New method definition. + (Output_section::set_final_data_size): Set load address to zero for + an unallocated section. + (Output_section::do_address_and_file_offset_have_reset_values): + New method definition. + (Output_section::Input_section_sort_enty::Input_section_sort_enty): + Handle relaxed input section. + (Output_section::sort_attached_input_sections): Checkpoint input + section list lazily. + (Output_section::get_input_sections): Change type of input_sections to + list of Simple_input_section pointers. Checkpoint input section list + lazily. Also handle relaxed input sections. + (Output_section::add_input_section_for_script): Take a reference to + a Simple_input_section object instead of Relobj pointer and section + index as parameter. Handle relaxed input sections. + (Output_section::save_states, Output_section::restore_states): New + method definitions. + * output.h (Output_data::Output_data): Initialize is_data_size_fixed_. + (Output_data::is_data_size_fixed): New method definition. + (Output_data::reset_addresss_and_file_offset): Do not reset data size + if it is fixed. + (Output_data::address_and_file_offset_have_reset_values): New method + definition. + (Output_data::do_address_and_file_offset_have_reset_values): New method + definition. + (Output_data::set_data_size): Check that data size is not fixed. + (Output_data::fix_data_size): New method definition. + (Output_data::is_data_size_fixed_): New data member. + (Output_section_headers::set_final_data_size): New method definition. + (Output_section_headers::do_size): New method declaration. + (Output_segment_headers::set_final_data_size): New method definition. + (Output_segment_headers::do_size): New method declaration. + (Output_file_header::set_final_data_size)::New method definition. + (Output_file_header::do_size)::New method declaration. + (Output_section_data::Output_section_data): Add new parameter + is_data_size_fixed and use it to fix data size. + (Output_data_const::Output_data_const): Adjust call to base class + constructor and fix data size. + (Output_data_const_buffer::Output_data_const_buffer): Adjust call to + base class constructor and fix data size. + (Output_data_fixed_space::Output_data_fixed_space): Adjust call to + base class constructor and fix data size. + (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base + class constructor and fix data size. + (Output_data_group::set_final_data_size): New method definition. + (Output_data_dynamic::Dynamic_entry::tag): New method definition. + (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base + class constructor and fix data size. + (Output_relaxed_input_section): New class definition. + (Output_section::Simple_input_section): New class definition. + (Output_section::get_input_sections): Adjust parameter list. + (Output_section::add_input_section_for_script): Same. + (Output_section::save_states, Output_section::restore_states, + Output_section::do_address_and_file_offset_have_reset_values, + (Output_section::Input_section::Input_section): Handle + RELAXED_INPUT_SECTION_CODE. Add new overload for + Output_relaxed_input_section. + (Output_section::Input_section::is_input_section, + Output_section::Input_section::set_output_section): Handle relaxed + input section. + (Output_section::Input_section::is_relaxed_input_section, + Output_section::Input_section::output_section_data, + Output_section::Input_section::relaxed_input_section): New method + definitions. + (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum + value. + (Output_section::Input_section::u1_): Update comments. + (Output_section::Input_section::u2_): Add new union member poris. + (Output_section::Checkpoint_output_section): New classs definition. + (Output_section::relax_input_section): New method declaration. + (Output_section::checkpoint_): New data member. + (Output_segment): Update comments. + (Output_segment::Output_segment): Un-privatize copy constructor. + (Output_segment::operator=): Un-privatize. + * script-sections.cc (Output_section_element::Input_section_list): + Change element type to Output_section::Simple_input_section. + (Output_section_element_dot_assignment::set_section_addresses): + Register output section data for relaxation clean up. + (Output_data_exression::Output_data_expression): Adjust call to base + constructor to fix data size. + (Output_section_element_data::set_section_addresses): Register + Output_data_expression object for relaxation clean up. + (struct Input_section_info): Replace Relobj pointer and section index + pair with Output_section::Simple_input_section and Convert struct to a + class. + (Input_section_sorter::operator()): Adjust access to + Input_section_info data member to use accessors. + (Output_section_element_input::set_section_addresses): Use layout + parameter. Adjust code to use Output_section::Simple_input_section + and Input_secction_info classes. Register filler for relaxation + clean up. + (Orphan_output_section::set_section_addresses): Replace Relobj pointer + and section index pair with Output_section::Simple_input_section + class. Adjust code accordingly. + (Phdrs_element::release_segment): New method definition. + (Script_sections::attach_sections_using_phdrs_clause): Do not modify + segment list. + (Script_sections::release_segments): New method definition. + * script-sections.h (Script_sections::release_segments): New + method declaration. + * target.h (Target::may_relax, Target::relax, + Target::do_may_relax, Target::do_relax): New method definitions. + +2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com> + + * arm.cc (has_signed_unsigned_overflow): New function. + (Arm_relocate_functions::abs8): New function. + (Target_arm::Scan::local): Handle R_ARM_ABS8. + (Target_arm::Scan::global): Likewise. + (Target_arm::relocate::relocate): Likewise. + (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): + Likewise. + +2009-09-16 Cary Coutant <ccoutant@google.com> + + * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files. + * testsuite/Makefile.in: Regenerate. + +2009-09-11 Nick Clifton <nickc@redhat.com> + + * po/gold.pot: Updated by the Translation project. + +2009-09-08 Cary Coutant <ccoutant@google.com> + + * output.cc (Output_file::open): Add execute permission to empty file. + * testsuite/Makefile.am (permission_test): New test. + * testsuite/Makefile.in: Regenerate. + +2009-09-02 Ian Lance Taylor <iant@google.com> + + * output.cc (Output_file::resize): Call map_no_anonymous rather + than map. + +2009-09-01 Mikolaj Zalewski <mikolajz@google.com> + + * gold.cc: Include "incremental.h". + (queue_initial_tasks): Call Incremental_checker methods. + * incremental.cc: Include "output.h". + (Incremental_checker::can_incrementally_link_output_file): New + method. + * incremental.h (Incremental_checker): New class. + + * output.cc (Output_file::open_for_modification): New method. + (Output_file::map_anonymous): Changed return type to bool. Record + map in base_ field. + (Output_file::map_no_anonymous): New method, broken out of map. + (Output_file::map): Use map_no_anonymous and map_anonymous. + * output.h (class Output_file): Update declarations. + +2009-08-24 Cary Coutant <ccoutant@google.com> + + * options.h (Command_line::Pre_options): New class. + (Command_line::pre_options): New member. + * options.cc (gold::options::ready_to_register): New variable. + (One_option::register_option): Do nothing if not registering options. + Assert if same short option registered twice. + (General_options::General_options): Turn off option registration when + done constructing. + (Command_line::Pre_options::Pre_options): New constructor. + +2009-08-24 Cary Coutant <ccoutant@google.com> + + * options.h (General_options::no_keep_memory): Remove incorrect + short option. + +2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * Makefile.am (am__skiplex, am__skipyacc): New. + * Makefile.in: Regenerate. + +2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * Makefile.am (AM_CPPFLAGS): Renamed from ... + (INCLUDES): ... this. + * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability. + (AM_CPPFLAGS): Renamed from ... + (INCLUDE): ... this. + * Makefile.in, testsuite/Makefile.in: Regenerate. + + * Makefile.in: Regenerate. + * aclocal.m4: Likewise. + * config.in: Likewise. + * configure: Likewise. + * testsuite/Makefile.in: Likewise. + + * Makefile.am (AUTOMAKE_OPTIONS): Add foreign. + * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign. + * Makefile.in: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2009-08-19 Cary Coutant <ccoutant@google.com> + + * resolve.cc (Symbol_table::resolve): Don't complain about defined + symbols in shared libraries overridden by hidden or internal symbols + in the main program. + +2009-08-19 Chris Demetriou <cgd@google.com> + + * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when + checking source file names in error messages. + +2009-08-18 Doug Kwan <dougkwan@google.com> + + * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of + an elcpp::Ehdr as parameter. Adjust call to set_target. + * dynobj.h (Sized_dynobj::setup): Take a Target object instead of + an elfcpp::Ehdr as parameter. + * object.cc (Object::set_target): Remove the version that looks up + a target and sets it. + (Sized_relobj::setup): Take a Target object instead of + an elfcpp::Ehdr as parameter. Adjust call to set_target. + (make_elf_sized_object): Find target and ask target to + make an ELF object. + * object.h: (Object::set_target): Remove the version that looks up + a target and sets it. + (Sized_relobj::setup): Take a Target object instead of + an elfcpp:Ehdr as parameter. + * target.cc: Include dynobj.h. + (Target::do_make_elf_object_implementation): New. + (Target::do_make_elf_object): New. + * target.h (Target::make_elf_object): New template declaration. + (Target::do_make_elf_object): New method declarations. + (Target::do_make_elf_object_implementation): New template declaration. + +2009-08-14 Ian Lance Taylor <iant@google.com> + + * gold.h (FUNCTION_NAME): Define. + (gold_unreachable): Use FUNCTION_NAME. + +2009-08-12 Sriraman Tallam <tmsriram@google.com> + + * icf.cc (Icf::find_identical_sections): Issue a warning when a + symbol in the --keep-unique list is not found. + +2009-08-12 Sriraman Tallam <tmsriram@google.com> + + * icf.cc (Icf::find_identical_sections): Unfold symbols that have + been maked as --keep-unique. + (Icf::unfold_section): New function. + * icf.h (Icf::unfold_section): New function. + * options.h (General_options::keep_unique): New option. + * testsuite/Makefile.am: Add commands to build icf_keep_unique_test. + * testsuite/Makefile.in: Regenerate. + * testsuite/icf_keep_unique_test.sh: New file. + * testsuite/icf_keep_unique_test.cc: New file. + +2009-08-12 Cary Coutant <ccoutant@google.com> + + PR 10471 + * resolve.cc (Symbol_table::resolve): Check for references from + dynamic objects to hidden and internal symbols. + * testsuite/Makefile.am (hidden_test.sh): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/hidden_test.sh: New script. + * testsuite/hidden_test_1.c: New test source. + * testsuite/hidden_test_main.c: New test source. + +2009-08-11 Doug Kwan <dougkwan@google.com> + + * arm.cc: Update comments. + (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX + segment to locate the .ARM.exidx section if present. + +2009-08-09 Doug Kwan <dougkwan@google.com> + + * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous + patch. + +2009-08-07 Sriraman Tallam <tmsriram@google.com> + * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid + compiler warnings. + +2009-08-06 Sriraman Tallam <tmsriram@google.com> + + * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a + valid tls_segment only for non-debug-section relocations. + * testsuite/Makefile.am: Add gc_tls_test. + * testsuite/Makefile.in: Regenerate. + * testsuite/gc_tls_test.cc: New file. + * testsuite/gc_tls_test.sh: New file. + +2009-08-05 Sriraman Tallam <tmsriram@google.com> + + * icf.cc: New file. + * icf.h: New file. + * Makefile.am (CCFILES): Add icf.cc. + (HFILES): Add icf.h + * Makefile.in: Regenerate. + * dynobj.h (Sized_dynobj::do_section_entsize): New function. + * gc.h (gc_process_relocs): Populate lists used by icf to contain + section, symbol and addend information for the relocs. + * gold.cc (queue_middle_tasks): Call identical code folding. + * gold.h: Add defines for multimap. + * layout.cc (Layout::create_symtab_sections): Add symtab as parameter + to the call of finalize_local_symbols. + * main.cc (main): Create object of class Icf. + * object.cc (Sized_relobj::do_layout): Allow this function to be + called twice during icf. + (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding + to sections marked as identical by icf. + (Sized_relobj::do_section_flags): Get section_flags from Symbols_data + when available. + (Sized_relobj::do_section_entsize): New function. + * object.h (Object::section_entsize): New function. + (Object::do_section_entsize): New pure virtual function. + (Relobj::finalize_local_symbols): Add new parameter. + (Relobj::do_section_entsize): New function. + * options.h (General_options::icf): New option. + (General_options::icf_iterations): New option. + (General_options::print_icf_sections): New option. + * plugin.cc (Sized_pluginobj::do_section_entsize): New function. + * plugin.h (Sized_pluginobj::do_section_entsize): New function. + * reloc.cc (Read_relocs::run): Delay scanning relocs when doing + icf. + * symtab.cc (Symbol_table::is_section_folded): New function. + (Symbol_table::sized_finalize_symbol): Fold symbols corresponding + to sections marked as identical by icf. + * symtab.h (Symbol_table::set_icf): New function. + (Symbol_table::icf): New function. + (Symbol_table::is_section_folded): New function. + (Symbol_table::icf_): New data member. + * target-reloc.h (relocate_section): Ignore sections folded by icf. + * testsuite/Makefile.am: Add commands to build icf_test. + * testsuite/Makefile.in: Regenerate. + * testsuite/icf_test.sh: New file. + * testsuite/icf_test.cc: New file. + +2009-07-24 Chris Demetriou <cgd@google.com> + + * layout.cc (is_compressible_debug_section): Fix incorrect + comment about compressed section names. + +2009-07-20 Ian Lance Taylor <ian@airs.com> + + PR 10419 + * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences. + +2009-07-16 Ian Lance Taylor <iant@google.com> + + PR 10400 + * layout.h: #include <map>. + (class Kept_section): Change from struct to class. Add accessors + and setters. Add section size to Comdat_group mapping. Change + Comdat_group to std::map. Add is_comdat_ field. Add + linkonce_size field in union. + (class Layout): Update declaration of find_or_add_kept_section. + Don't declare find_kept_object. + * layout.cc (Layout::find_or_add_kept_section): Remove candidate + parameter. Add object, shndx, is_comdat, and is_group_name + parameters. Change all callers. Adjust for new Kept_section. + (Layout::find_kept_object): Remove. + * object.cc (Sized_relobj::include_section_group): Update use of + Kept_section. Rename secnum to shndx. Only record + Kept_comdat_section if sections are the same size. + (Sized_relobj::include_linkonce_section): Update use of + Kept_section. Only record Kept_comdat_section if sections are the + same size. Set size of linkonce section. + (Sized_relobj::map_to_kept_section): Update call to + get_kept_comdat_section. + * object.h (class Sized_relobj): Rename fields in + Kept_comdat_section to drop trailing underscores; change object + field to Relobj*. Change Kept_comdat_section_table to store + struct rather than pointer. + (Sized_relobj::set_kept_comdat_section): Remove kept parameter. + Add kept_object and kept_shndx parameters. Change all callers. + (Sized_relobj::get_kept_comdat_section): Change return type to + bool. Add kept_object and kept_shndx parameters. Change all + callers. + * plugin.cc (Pluginobj::include_comdat_group): Update call to + Layout::find_or_add_kept_section. + +2009-07-09 Ian Lance Taylor <iant@google.com> + + * merge.cc (Object_merge_map::initialize_input_to_output_map): + Reserve space in the hash table. + +2009-07-06 Mikolaj Zalewski <mikolajz@google.com> + + * fileread.cc (File_read::get_mtime): New method. + * fileread.h (Timespec): New structure. + (File_read::get_mtime): New method. + * incremental.cc (Incremental_inputs_entry_data::timestamp_usec): + Renamed from timestamp_nsec. + (Incremental_inputs_entry_write::timestamp_sec): Fix argument to + Elf_Xword. + (Incremental_inputs_entry_write::timestamp_usec): Renamed from + timestamp_nsec. + (Incremental_inputs::report_archive): Save mtime; style fix. + (Incremental_inputs::report_obejct): Save mtime; style fix. + (Incremental_inputs::report_script): Save mtime; style fix. + (Incremental_inputs::finalize_inputs): Style fix. + (Incremental_inputs::finalize): Style fix. + (Incremental_inputs::create_input_section_data): Store inputs + mtime. + * incremental.h (Incremental_inputs::report_script): Add mtime + argument. + (Incremental_inputs::Input_info::Input_info): Intialize only one + union member. + (Incremental_inputs::Input_info::archive): Move to nameless + union. + (Incremental_inputs::Input_info::obejct): Move to nameless union. + (Incremental_inputs::Input_info::script): Move to nameless union. + (Incremental_inputs::mtime): New field. + * script.cc (read_input_script): Pass file mtime to + Incremental_input. + * script.h (Script_info::inputs): Style fix. + +2009-07-01 Ian Lance Taylor <ian@airs.com> + + * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size + instead of 32. + +2009-06-24 Ian Lance Taylor <iant@google.com> + + PR 10156 + * layout.cc (Layout::choose_output_section): If we find an + existing section, update the flags. + (Layout::create_notes): New function, broken out of + Layout::finalize. + (Layout::finalize): Don't create note sections. + (Layout::create_note): Don't crash if linker script discards + section. + (Layout::create_gold_note): Likewise. + (Layout::create_build_id): Likewise. Don't set + after_input_sections on the section. + (Layout::create_executable_stack_info): Remove target parameter. + Change caller. + * layout.h (class Layout): Declare create_notes. Update + declaration of create_executable_stack_info. + * gold.cc (queue_middle_tasks): Call create_notes. + * output.cc (Output_section::update_flags_for_input_section): Move + here from output.h. If SHF_ALLOC flag is newly set, mark address + invalid. + * output.h (Output_data::mark_address_invalid): New function. + (class Output_section): Only declare, not define, + update_flags_for_input_section. Remove set_flags. + +2009-06-24 Ian Lance Taylor <iant@google.com> + + * script-sections.cc (Output_section_definition:: + set_section_addresses): Rename shadowing local load_address to + laddr. + +2009-06-24 Ian Lance Taylor <iant@google.com> + + PR 10244 + * reloc.cc (relocate_sections): Skip empty relocation sections. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + PR 10156 + * layout.cc (Layout::create_note): Use choose_output_section + rather than make_output_section. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + PR 10237 + * options.cc (General_options::parse_V): Set printed_version_. + (General_options::General_options): Initialize printed_version_. + * options.h (class General_options): Add printed_version_ field. + * gold.cc (queue_initial_tasks): If there are no input files, + don't give a fatal error if we printed the version information. + (queue_middle_tasks): If using -r with a shared object, give a + fatal error rather than an ordinary error. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + PR 10219 + * layout.cc (Layout::Layout): Initialize have_stabstr_section_. + (Layout::make_output_section): Set have_stabstr_section_ if we see + a .stab*str section. + (Layout::finalize): Call link_stabs_sections. + (Layout::link_stabs_sections): New file. + * layout.h (class Layout): Add have_stabstr_section_ field. + Declare link_stabs_sections. + +2009-06-23 Doug Kwan <dougkwan@google.com> + + * Makefile.am (libgold_a_LIBADD): New. + (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS + * Makefile.in: Regenerate. + * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New. + * configure: Regenerate. + * configure.ac (AC_CHECK_DECLS): Add strndup and memmem. + * fileread.cc: Include sys/state.h + * gold.h: Declare memmem and strndup if found missing. + * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + * configure.ac: Call AC_CHECK_DECLS using C, not C++. + * configure: Rebuild. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + PR 10147 + * object.cc (Object::section_contents): Don't try to get a view if + the section has length zero. + (Object::handle_gnu_warning_section): If the section is empty, use + the name of the section as the warning. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + PR 10133 + * stringpool.h (class Stringpool_template): Add optimize_ field. + (Stringpool_template::set_optimize): New function. + * stringpool.cc (Stringpool_template::Stringpool_template): + Initialize optimize_ field. + (Stringpool_template::set_string_offsets): Test local optimize + fild rather than parameter. + * layout.cc (Layout::Layout): Call set_optimize on the section + name stringpool. + +2009-06-22 Ian Lance Taylor <iant@google.com> + + PR 10030 + * yyscript.y: Parse TARGET. + * script.cc (script_set_target): New function. + * script-c.h (script_set_target): Declare. + * options.cc (General_options::string_to_object_format): Rename + from string_to_object_format in anonymous namespace. Change + callers. + * options.h (class General_options): Declare + string_to_object_format. + +2009-06-22 Ian Lance Taylor <iant@google.com> + + * script-sections.cc (Script_sections::create_segments): Don't put + program headers in a PT_LOAD segment if -n or -N. + +2009-06-22 Ian Lance Taylor <iant@google.com> + + PR 10141 + * options.h (class General_options): Add -z lazy and -z now. Sort + -z options into alphabetical order. + * layout.cc (Layout::finish_dynamic_section): Handle -z now. + +2009-06-21 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::make_output_section): Call + Target::new_output_section. + (Layout::attach_allocated_section_to_segment): Put large section + sections in a separate load segment with the large segment flag + set. + (Layout::segment_precedes): Sort large data segments after other + load segments. + (align_file_offset): New static function. + (Layout::set_segment_offsets): Use align_file_offset. + * output.h (class Output_section): Add is_small_section_ and + is_large_section_ fields. + (Output_section::is_small_section): New function. + (Output_section::set_is_small_section): New function. + (Output_section::is_large_section): New function. + (Output_section::set_is_large_section): New function. + (Output_section::is_large_data_section): New function. + (class Output_segment): Add is_large_data_segment_ field. + (Output_segment::is_large_data_segment): New function. + (Output_segment::set_is_large_data_segment): New function. + * output.cc (Output_section::Output_section): Initialize new + fields. + (Output_segment::Output_segment): Likewise. + (Output_segment::add_output_section): Add assertion that large + data sections always go in large data segments. Force small data + sections to the end of the list of data sections. Force small BSS + sections to the start of the list of BSS sections. For large BSS + sections to the end of the list of BSS sections. + * symtab.h (class Symbol): Declare is_common_shndx. + (Symbol::is_defined): Check Symbol::is_common_shndx. + (Symbol::is_common): Likewise. + (class Symbol_table): Define enum Commons_section_type. Update + declarations. Add small_commons_ and large_commons_ fields. + * symtab.cc (Symbol::is_common_shndx): New function. + (Symbol_table::Symbol_table): Initialize new fields. + (Symbol_table::add_from_object): Put small and large common + symbols in the right list. + (Symbol_table::sized_finalized_symbol): Check + Symbol::is_common_shndx. + (Symbol_table::sized_write_globals): Likewise. + * common.cc (Symbol_table::do_allocate_commons): Allocate new + common symbol lists. Don't call do_allocate_commons_list if the + list is empty. + (Symbol_table::do_allocate_commons_list): Remove is_tls + parameter. Add comons_section_type parameter. Change all + callers. Handle small and large common symbols. + * object.cc (Sized_relobj::do_finalize_local_symbols): Check + Symbol::is_common_shndx. + * resolve.cc (symbol_to_bits): Likewise. + * target.h (Target::small_common_shndx): New function. + (Target::small_common_section_flags): New function. + (Target::large_common_shndx): New function. + (Target::large_common_section_flags): New function. + (Target::new_output_section): New function. + (Target::Target_info): Add small_common_shndx, large_common_shndx, + small_common_section_flags, and large_common_section_flags + fields. + (Target::do_new_output_section): New virtual function. + * arm.cc (Target_arm::arm_info): Initialize new fields. + * i386.cc (Target_i386::i386_info): Likewise. + * powerpc.cc (Target_powerpc::powerpc_info) [all versions]: + Likewise. + * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise. + * x86_64.cc (Target_x86_64::x86_64_info): Likewise. + (Target_x86_64::do_new_output_section): New function. + * configure.ac: Define conditional MCMODEL_MEDIUM. + * testsuite/Makefile.am (check_PROGRAMS): Add large. + (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define. + (large_LDFLAGS): Define. + * testsuite/large.c: New file. + * testsuite/testfile.cc (Target_test::test_target_info): + Initialize new fields. + * configure, testsuite/Makefile.in: Rebuild. + +2009-06-05 Doug Kwan <dougkwan@google.com> + + * Makefile.am (CCFILES): Add target.cc. + * Makefile.in: Regenerate. + * i386.cc (class Target_i386): Define new virtual method to + override do_is_local_label_name in parent. + * object.cc (Sized_relobj::do_count_local_symbols): Discard + local symbols if --discard-locals or -X is given. + * options.h (class General_options): Declare new options + '--discard-locals' and '-X' for discarding locals. + * target.h (class Target): Define new methods is_local_label_name. + Declare new virtual method do_is_local_label_name. + * target.cc: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test. + (check_SCRIPTS): Add discard_locals_test.sh. + (check_DATA): Add discard_local_tests.syms. + (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define. + (discard_local_tests.syms, discard_locals_test.o): New make rules. + * testsuite/Makefile.in: Regenerate. + * testsuite/discard_locals_test.c: New file. + * testsuite/discard_locals_test.sh: Same. + +2009-06-05 Doug Kwan <dougkwan@google.com> + + * object.cc (Sized_relobj::Sized_relobj): Initialize + discarded_eh_frame_shndx_ to -1U. + (Sized_relobj::do_layout): Record index of a discard .eh_frame + section. + (Sized_relobj::do_count_local_symbols): Skip local symbols in + a discarded .eh_frame section. + (Sized_relobj::do_finalize_local_symbols): Ditto. + * object.h (class Sized_relobj): Declare new member + discarded_eh_frame_shndx_. + * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test. + (local_labels_test.o, local_labels_test): New rules. + * testsuite/Makefile.in: Regenerate. + +2009-06-04 Doug Kwan <dougkwan@google.com> + + * layout.cc (Layout::section_name_mapping): Add mapping for + special ARM sections. + +2009-06-03 Doug Kwan <dougkwan@google.com> + + * arm.cc (utils::sign_extend): Reverse test in gold_assert. + (utils::has_overflow): Same. + +2009-06-03 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::section_name_mapping): New array, replacing + Layout::linkonce_mapping. + (Layout::section_name_mapping_count): New variable, replacing + Layout::linkonce_mapping_count. + (Layout::linkonce_output_name): Remove. + (Layout::output_section_name): Rewrite. + * layout.h (class Layout): Rename Linkonce_mapping to + Section_name_mapping, linkonce_mapping to section_name_mapping, + linkonce_mapping_count to section_name_mapping_count. Don't + declare linkonce_output_name. + +2009-06-03 Doug Kwan <dougkwan@google.com> + + * arm.cc (namespace utils): New. + (Target_arm::reloc_is_non_pic): Define new method. + (class Arm_relocate_functions): New. + (Target_arm::Relocate::relocate): Handle relocation types used by + Android. + +2009-06-03 Ian Lance Taylor <iant@google.com> + + * arm.cc (Target_arm::scan::global): Use || instead of |. + +2009-06-02 Doug Kwan <dougkwan@google.com> + + * arm.cc (Target_arm::Scan::Scan): Initialize + issued_non_pic_error_. + (class Target_arm::Scan): Declare new method check_non_pic. + Define new method symbol_needs_plt_entry. + Declare new data member issued_non_pic_error_. + (class Target_arm::Relocate): Declare new method + should_apply_static_reloc. + (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC. + (Target_arm::Scan::check_non_pic): Define new method. + (Target_arm::Scan::local): Handle a small subset of reloc types used + by Android. + (Target_arm::Scan::local): Same. + (Target_arm::Relocate::should_apply_statci_reloc): Define new method. + +2009-05-31 Mikolaj Zalewski <mikolajz@google.com> + + * incremental.cc (Incremental_inputs::report_command_line): Filter + out --incremental-* options. + +2009-05-29 Doug Kwan <dougkwan@google.com> + + * arm.cc (Output_data_plt_arm): Forward declaration for new + template class. + (class Target_arm): Update comment. + (Target_arm::Target_arm): Initialize new data members GOT_, + PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_. + Declare new methods Target_arm::got_section, Target_arm::make_plt_entry + and Target_arm::rel_dyn_section. + Declare new_enum Target_arm::Got_type. + Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ + and DYNBSS_. + Update commments for member do_dynsym_value. + (Target_arm::got_size, Target_arm::plt_section, + Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define + new methods inside class defintion. + (Target_arm::got_section): Define new method. + (Target_arm::rel_dyn_section): Same. + (Output_data_plt_arm): New template class. + (Output_data_plt_arm::Output_data_plt_arm): Define constructor. + (Output_data_plt_arm:do_adjust_output_section): Define new method. + (Output_data_plt_arm::add_entry): Same. + (Output_data_plt_arm::first_plt_entry): Define new + static data member for PLT instruction template. + (Output_data_plt_arm::plt_entry): Same. + (Output_data_plt_arm::do_write): Define new method. + (Target_arm::make_plt_entry): Same. + (Target_arm::do_finalize_sections): Same. + (Target_arm::do_dynsym_value): Same. + +2009-05-28 Doug Kwan <dougkwan@google.com> + + * Makefile.am (TARGETSOURCES): Add arm.cc. + (ALL_TARGETOBJECTS): Add arm.$(OBJEXT) + * Makefile.in: Regenerate. + * arm.cc: New file. + * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets. + +2009-05-26 Doug Kwan <dougkwan@google.com> + + * options.cc (General_options::parse_exclude_libs). Fix a comment. + (General_options::check_excluded_libs): Strip off directories in + archive name before matching like GNU ld does. + * testsuite/Makefile.am (MOSTLYCLEANFILES, + exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a + (exclude_libs_test_LDFLAGS): Add linker option + -Wl,--exclude-libs,libexclude_libs_test_3 + (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as + an explicit archive without using -l. + (alt/libexclude_libs_test_3.a): New make rule. + * testsuite/Makefile.in: Regenerate. + * testsuite/exclude_libs_test.c : Declare lib3_default(). + (main): Call it. + * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a. + * exclude_libs_test_3.c: New file. + +2009-05-26 Nick Clifton <nickc@redhat.com> + + * po/id.po: New Indonesian translation. + * po/gold.pot: Updated template file. + +2009-05-22 Sriraman Tallam <tmsriram@google.com> + + * testsuite/Makefile.am: Add -ffunction-sections to compile + gc_comdat_test files. Add -Wl,--gc-sections to build + gc_comdat_test. + * testsuite/Makefile.in: Regenerate. + * testsuite/gc_comdat_test.sh: Fix the condition around grep. + +2009-05-21 Sriraman Tallam <tmsriram@google.com> + + * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the + kept comdat section was garbage collected. + * testsuite/Makefile.am: Add test gc_comdat_test.sh. + * testsuite/Makefile.in: Regenerate. + * testsuite/gc_comdat_test.sh: New file. + * testsuite/gc_comdat_test_1.cc: New file. + * testsuite/gc_comdat_test_2.cc: New file. + +2009-05-19 Doug Kwan <dougkwan@google.com> + + * archive.cc (Archive::Archive): Move constructor from archive.h + to here. Initialize no_export_. + (Archive::get_elf_object_for_member): Set no_export flag of object. + * archive.h (Archive::Archive): Move constructor body to + archive.cc. + (Archive::no_export): New method. + (Archive::no_export_): New field. + * object.h (Object::Object): Initialize no_export_ to false. + (Object::no_export, Object::set_no_export): New methods. + (Object::no_export_): New field. + * options.cc (General_options::parse_exclude_libs): New method. + (General_options::check_excluded_libs) Same. + * options.h (exclude_libs): New option. + (General_options::check_excluded_libs): New method declaration. + (General_options::excluded_libs_): New field. + * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with + default or protected visibility if an object has no-export flag set. + testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test. + (check_SCRIPTS): Add exclude_libs_test.sh. + (check_DATA): Add exclude_libs_test.syms. + (MOSTLYCLEANFILES): Add exclude_libs_test.syms, + libexclude_libs_test_1.a and libexclude_libs_test_2.a. + (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES, + exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define. + (exclude_libs_test.syms, libexclude_libs_test_1.a, + libexclude_libs_test_2.a): New rules. + * testsuite/Makefile.in: Regenerate. + * testsuite/exclude_libs_test.c: New file. + * testsuite/exclude_libs_test.sh: Ditto. + * testsuite/exclude_libs_test_1.c: Ditto. + * testsuite/exclude_libs_test_2.c: Ditto. + +2009-05-15 Ian Lance Taylor <iant@google.com> + + * configure.ac: Check for declarations for cases where libiberty.h + checks HAVE_DECL_xxx. + * configure, config.in: Rebuild. + +2009-05-15 Mikolaj Zalewski <mikolajz@google.com> + + * gold.h (Incremental_argument_list): Remove (invalid) forward + declaration. + * incremental.cc (Incremental_inputs::report_achive): New method. + (Incremental_inputs::report_object): New method. + (Incremental_inputs::report_script): New method. + (Incremental_inputs::finalize_inputs): New method. + (Incremental_inputs::finalize): Call finalize_inputs(). + (Incremental_inputs::sized_create_incremental_inputs_section_data): + Create inputs entries. + * incremental.h (Incremental_input_type): New enum. + (Incremental_inputs::Incremental_input): Initialize new fields. + (Incremental_inputs::report_inputs): New method. + (Incremental_inputs::report_achive): New method. + (Incremental_inputs::report_object): New method. + (Incremental_inputs::report_script): New method. + (Incremental_inputs::finalize_inputs): New method. + (Incremental_inputs::Input_info): New struct. + (Incremental_inputs::Input_info_map): New typedef. + (Incremental_inputs::lock_): New field. + (Incremental_inputs::Inputs_): New field. + (Incremental_inputs::Inputs_map): New field. + * main.cc (main): Call Incremental_input::report_inputs. + * options.h (Input_argument_list): Typedef moved from + Input_arguments. + (Input_file_group::Files): Remove, use ::Input_argument_list. + (Input_file_group::Input_argument_list): Remove, use + ::Input_argument_list. + * plugin.cc (Plugin_manager::add_input_file): Add error in + incremental build. + * read_syms.cc (do_read_syms): Call Incremental_input::report_* + functions. + * script.cc (read_input_script): Call + Incremental_input::report_script. + * script.h (Script_info): New class. + +2009-04-27 Ian Lance Taylor <iant@google.com> + + * x86_64.cc (do_adjust_output_section): Set entsize to + plt_entry_size. + +2009-04-23 Elliott Hughes <enh@google.com> + + * output.cc (Output_file::close): After short writes, continue + writing from the correct offset in the buffer being written. + +2009-04-23 Chris Demetriou <cgd@google.com> + + * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define. + * configure: Regenerate. + * config.in: Regenerate. + * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set + if HAVE_TR1_UNORDERED_MAP_REHASH is not defined. + +2009-04-21 Mikolaj Zalewski <mikolajz@google.com> + + * incremental.cc (Incremental_inputs_header_data): Renamed from + Incremental_input_header_data. + (Incremental_inputs_header_data::data_size): New field. + (Incremental_inputs_header_data::put_input_file_count): Renamed + from input_file_count. + (Incremental_inputs_header_data::put_command_line_offset): Renamed + from command_line_offset. + (Incremental_inputs_header_data::put_reserved): Renamed from + put_reserved. + (Incremental_inputs_entry_data): Renamed from + Incremental_input_entry_data. + (Incremental_inputs_entry_data::data_size): New field. + (Incremental_inputs::report_command_line): New method. + (Incremental_inputs::finalize): New method. + (Incremental_inputs::create_incremental_inputs_data): New method. + (Incremental_inputs::sized_create_incremental_inputs_data): New method. + * incremental.h: New file. + * layout.cc (Layout::Layout): Handle new incremental_inputs_. + (Layout::finalize): Create incremental inputs section in + incremental builds. + (Layout::create_incremental_info_sections): New method. + * layout.h (Layout::incremental_inputs): New method. + (Layout::create_incremental_info_sections): New method. + (Layout::incremental_inputs_): New field. + * main.cc (main): Notify Incremental_input of the command line. + +2009-04-01 Ian Lance Taylor <iant@google.com> + Mikolaj Zalewski <mikolajz@google.com> + + * gold.h (reserve_unordered_map): Define, three versions, one for + each version of Unordered_map. + * layout.cc (Layout::Layout): Remove options parameter. Add + number_of_input_files parameter. Don't initialize options_. + Initialize number_of_input_files_ and resized_signatures_. Move + sections_are_attached_. + (Layout::layout_group): Reserve space for group_signatures_. + (Layout::find_or_add_kept_section): Change name parameter to be a + reference. Resize signatures_ map when it gets large enough. + (Layout::layout_eh_frame): Use parameters->options() instead of + this->options_. + (Layout::make_output_section): Likewise. + (Layout::attach_allocated_section_to_segment): Likewise. + (Layout::finalize, Layout::create_executable_stack): Likewise. + (Layout::set_segment_offsets, Layout::create_interp): Likewise. + (Layout::finish_dynamic_section, Layout::write_binary): Likewise. + * layout.h (class Layout): Update declarations. Remove options_ + field. Add number_of_input_files_ and resized_signatures_ + fields. Move sections_are_attached_ field. + * main.cc (main): Pass number of input files to Layout + constructor. Don't pass options. + +2009-03-30 Ian Lance Taylor <iant@google.com> + + * ffsll.c (ffsll): Correct implementation. + +2009-03-27 Ian Lance Taylor <iant@google.com> + + * ffsll.c: New file. + * configure.ac: Call AC_REPLACE_FUNCS on ffsll. + * gold.h (ffsll): Declare if HAVE_FFSLL is not defined. + * ftruncate.c (ftruncate): Declare before definition. + * mremap.c (mremap): Likewise. + * pread.c (pread): Likewise. + * configure, Makefile.in, config.in: Rebuild. + + * mremap.c: New file. + * configure.ac: Call AC_REPLACE_FUNCS on mremap. + * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined. + (mremap): Declare if HAVE_MREMAP is not defined. + * configure, Makefile.in, config.in: Rebuild. + +2009-03-27 Cary Coutant <ccoutant@google.com> + + * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is + position independent. + * sparc.cc (Target_sparc::check_non_pic): Likewise. + * x86_64.cc (Target_x86_64::check_non_pic): Likewise. + +2009-03-24 Cary Coutant <ccoutant@google.com> + + * symtab.h (needs_plt_entry): Check for unsatisfied reference from + an executable. + (needs_dynamic_reloc): Likewise. + +2009-03-24 Ian Lance Taylor <iant@google.com> + + * yyscript.y (file_cmd): Recognize EXTERN. + (extern_name_list, extern_name_list_body): New nonterminals. + * script.cc (script_add_extern): Define. + * script-c.h (script_add_extern): Declare. + +2009-03-24 Rafael Avila de Espindola <espindola@google.com> + + * object.cc (is_elf_object): Define. + * object.h (is_elf_object): Declare. + * archive.cc (Archive::get_elf_object_for_member): Call + is_elf_object. + * readsyms.cc (Read_symbols::do_read_symbols): Likewise. + +2009-03-24 Elliott Hughes <enh@google.com> + + * output.cc (Output_file::map_anonymous): Define. + (Output_file::map): Use map_anonymous. If the regular mmap fails, + try an anonymous one. Report the size if the mmap fails. + * output.h (class Output_file): Declare map_anonymous. + +2009-03-24 Ian Lance Taylor <iant@google.com> + + * target-select.cc (instantiate_target): Don't acquire the lock if + the instantiated_target_ field has already been set. + +2009-03-23 Ian Lance Taylor <iant@google.com> + + * gold-threads.h (class Initialize_lock): Define. + * gold-threads.cc (class Initialize_lock_once): Define. + (initialize_lock_control): New static variable. + (initialize_lock_pointer): New static variable. + (initialize_lock_once): New static function. + (Initialize_lock::Initialize_lock): Define. + (Initialize_lock::initialize): Define. + * target-select.h: Include "gold-threads.h". + (class Target_selector): Add lock_ and initialize_lock_ fields. + Don't define instantiate_target, just declare it. + * target-select.cc (Target_selector::Target_selector): Initialize + new fields. + (Target_selector::instantiate_target): Define. + * descriptors.h: Include "gold-threads.h". + (class Descriptors): Add initialize_lock_ field. + * descriptors.cc (Descriptors::Descriptors): Initialize new + field. + (Descriptors::open): Use initialize_lock_ field + * errors.h (class Errors): Add initialize_lock_ field. + * errors.cc (Errors::Errors): Initialize new field. + (Errors::initialize_lock): Use initialize_lock_ field. + * powerpc.cc (class Target_selector_powerpc): Remove + instantiated_target_ field. In do_recognize call + instantiate_target rather than do_instantiate_target. In + do_instantiate_target just allocate a new target. + * sparc.cc (class Target_selector_sparc): Likewise. + + * freebsd.h: New file. + * i386.cc: Include "freebsd.h". + (Target_i386): Derive from Target_freebsd rather than + Sized_target. + (Target_selector_i386): Derive from Target_selector_freebsd rather + than Target_selector. + * x86_64.cc: Include "freebsd.h". + (Target_x86_64): Derive from Target_freebsd rather than + Sized_target. + (Target_selector_x86_64): Derive from Target_selector_freebsd + rather than Target_selector. + * target.h (class Target): Add adjust_elf_header and + do_adjust_elf_header. + * output.cc (Output_file_header:: do_sized_write): Call target + adjust_elf_header routine. + * configure.tgt: Set targ_osabi. + * configure.ac: Define GOLD_DEFAULT_OSABI. + * parameters.cc (Parameters::default_target): Pass + GOLD_DEFAULT_OSABI to select_target. + * target-select.h (class Target_selector): Make instantiate_target + protected rather than private. + * Makefile.am (HFILES): Add freebsd.h. + * configure, Makefile.in, config.in: Rebuild. + + * merge.cc (do_add_input_section): Correct pend value. Change + message about last entry not being null terminated from error to + warning. + +2009-03-20 Mikolaj Zalewski <mikolajz@google.com> + + * incremental.cc: New file. + * Makefile.am (CCFILES): Add incremental.cc. + * Makefile.in: Rebuild. + +2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com> + + * layout.cc (Layout::output_section_name): Preserve names + of '.note.' sections. + +2009-03-19 Ian Lance Taylor <iant@google.com> + + * descriptors.cc (Descriptors::open): Check that the options are + valid before using them. + +2009-03-18 Ian Lance Taylor <iant@google.com> + + * script-sections.h: Include <list>. + (class Script_sections): Change Sections_elements from std::vector + to std::list. Typedef public Elements_iterator. Add + orphan_section_placement_, data_segment_align_start_, and + saw_data_segment_align_ fields. Remove data_segment_align_index_ + field. + * script-sections.cc (class Orphan_section_placement): New class. + (class Sections_element): Add virtual functions is_relro and + orphan_section_init. Remove virtual function place_orphan_here. + (class Output_section_definition): Add is_relro and + orphan_section_init. Remove place_orphan_here. + (class Orphan_output_section): Likewise. + (Script_sections::Script_sections): Update for field changes. + (Script_sections::data_segment_align): Set saw_data_segment_align_ + and data_segment_align_start_, not data_segment_align_index. + (Script_sections::data_segment_relro_end): Check + saw_data_segment_align_. Use data_segment_align_start_ rather + than data_segment_align_index_. + (Script_sections::place_orphan): Rewrite to use + Orphan_section_placement. + +2009-03-17 Ian Lance Taylor <iant@google.com> + + * archive.cc (Archive::add_symbols): Check for a version attached + to the symbol name in the archive map. + * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11. + (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define. + (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define. + (ver_test_11.a): New target. + * testsuite/Makefile.in: Rebuild. + + * configure.ac: Check for chsize and posix_fallocate. Replace + ftruncate. + * ftruncate.c: New file, from gnulib. + * output.cc (posix_fallocate): Define dummy version if not + HAVE_POSIX_FALLOCATE. + (Output_file::map): Call posix_fallocate rather than lseek and + write. + * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE. + * configure, Makefile.in, config.in: Rebuild. + +2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com> + + * layout.h (Layout::create_note): Add section_name parameter. + * layout.cc (Layout::create_note): Likewise. + (Layout::create_build_id, Layout::create_gold_note): Fix callers. + +2009-03-17 Ian Lance Taylor <iant@google.com> + + * descriptors.cc: Include "options.h". + (FD_CLOEXEC, O_CLOEXEC): Define if not defined. + (Descriptors::open): Always use O_CLOEXEC when opening a new + descriptor. If we have a plugin, and O_CLOEXEC was not defined, + then set FD_CLOEXEC. + + * sparc.cc (class Target_sparc): Add has_got_section. + (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_, + make sure we have a GOT section. + + * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD. + (Target_sparc::Scan::local): Likewise. + (Target_sparc::Scan::global): Likewise. + (Target_sparc::Relocate::relocate): Likewise. + (Target_sparc::Relocate::relocate_tls): Likewise. + + * symtab.cc (Symbol_table::define_default_version): New function, + broken out of add_from_object. + (Symbol_table::add_from_object): Call define_default_version. + (Symbol_table::define_special_symbol): Add resolve_oldsym + parameter. Change all callers. If the version for a symbol comes + from a version script, resolve it with the symbol with the same + name with no version. Also add the symbol without a version if + appropriate. + (do_define_in_output_data): If resolving with oldsym, don't delete + sym. + (do_define_in_output_segment): Likewise. + (do_define_as_constant): Likewise. + * symtab.h (class Symbol_table): Update declarations. + +2009-03-13 Ian Lance Taylor <iant@google.com> + + * readsyms.cc (Read_symbols::incompatible_warning): New function. + (Read_symbols::requeue): New function. + (Read_symbols::do_read_symbols): If make_elf_object fails because + the target type is not configured, and the file was searched for, + issue a warning and retry with the next directory. + (Add_symbols::run): If the file has an incompatible format, and + it was searched for, requeue the Read_symbols task. On error, + release the object. + * readsyms.h (class Read_symbols): Add dirindex_ field. Add + dirindex parameter to constructor. Change all callers. Declare + incompatible_warning and requeue. + (class Add_symbols): Add dirpath_, dirindex_, mapfile_, + input_argument_ and input_group_ fields. Add them to + constructor. Change all callers. + (class Read_script): Add dirindex_ field. Add it to constructor. + Change all callers. + * archive.cc (Archive::setup): Remove input_objects parameter. + Change all callers. + (Archive::get_file_and_offset): Likewise. + (Archive::read_all_symbols): Likewise. + (Archive::read_symbols): Likewise. + (Archive::get_elf_object_for_member): Remove input_objects + parameter. Add punconfigured parameter. Change all callers. + (Archive::add_symbols): Change return type to bool. Check return + value of include_member. + (Archive::include_all_members): Likewise. + (Archive::include_member): Change return type to bool. Return + false if first included object has incompatible target. Set + included_member_ field. + (Add_archive_symbols::run): If add_symbols returns false, requeue + Read_symbols task. + * archive.h (class Archive): Add included_member_ field. + Initialize it in constructor. Add input_file and searched_for + methods. Update declarations. + (class Add_archive_symbols): Add dirpath_, dirindex_, and + input_argument_ fields. Add them to constructor. Change all + callers. + * script.cc: Include "target-select.h". + (class Parser_closure): Add skip_on_incompatible_target_ and + found_incompatible_target_ fields. Add + skip_on_incompatible_target parameter to constructor. Change all + callers. Add methods skip_on_incompatible_target, + clear_skip_on_incompatible_target, found_incompatible_target, and + set_found_incompatible_target. + (read_input_script): Add dirindex parameter. Change all callers. + If parser finds an incompatible target, requeue Read_symbols + task. + (script_set_symbol): Clear skip_on_incompatible_target in + closure. + (script_add_assertion, script_parse_option): Likewise. + (script_start_sections, script_add_phdr): Likewise. + (script_check_output_format): New function. + * script.h (read_input_script): Update declaration. + * script-c.h (script_check_output_format): Declare. + * yyscript.y (file_cmd): Handle OUTPUT_FORMAT. + (ignore_cmd): Remove OUTPUT_FORMAT. + * fileread.cc (Input_file::Input_file): Add explicit this. + (Input_file::will_search_for): New function. + (Input_file::open): Add pindex parameter. Change all callers. + * fileread.h (class Input_file): Add input_file_argument method. + Declare will_search_for. Update declarations. + * object.cc (make_elf_object): Add punconfigured parameter. + Change all callers. + * object.h (class Object): Make input_file public. Add + searched_for method. + (make_elf_object): Update declaration. + * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to + restart search. + * dirsearch.h (class Dirsearch): Update declaration. + * options.h (class General_options): Add --warn-search-mismatch. + * parameters.cc (Parameters::is_compatible_target): New function. + * parameters.h (class Parameters): Declare is_compatible_target. + * workqueue.cc (Workqueue::add_blocker): New function. + * workqueue.h (class Workqueue): Declare add_blocker. + + * fileread.cc (Input_file::open): Remove options parameter. + Change all callers. + (Input_file::open_binary): Likewise. + * script.cc (read_input_script): Likewise. + * readsyms.h (class Read_symbols): Remove options_ field. Remove + options parameter from constructor. Change all callers. + (class Read_script): Likewise. + * fileread.h (class Input_file): Update declarations. + * script.h (read_input_script): Update declaration. + +2009-03-10 Nick Clifton <nickc@redhat.com> + + * po/es.po: New Spanish translation. + +2009-03-06 Cary Coutant <ccoutant@google.com> + + * options.cc (parse_short_option): Keep dash_z from registering itself. + +2009-03-03 Ian Lance Taylor <iant@google.com> + + PR 9918 + * target-reloc.h (relocate_section): Pass output_section to + relocate. + * i386.cc (Target_i386::should_apply_static_reloc): Add + output_section parameter. Change all callers. + (Target_i386::Relocate::relocate): Add output_section parameter. + * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise. + * sparc.cc (Target_sparc::Relocate::relocate): Likewise. + * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise. + * testsuite/two_file_shared.sh: New script. + * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh. + (check_DATA): Add two_file_shared.dbg. + (two_file_shared.dbg): New target. + * testsuite/Makefile.in: Rebuild. + +2009-03-01 Ian Lance Taylor <iant@google.com> + + * configure.ac: Check for byteswap.h. + * configure: Rebuild. + * config.in: Rebuild. + +2009-03-01 Mikolaj Zalewski <mikolajz@google.com> + + * layout.cc (Layout::find_or_add_kept_section): New function. + (Layout::add_comdat): Removed. + * layout.h (struct Kept_section): Move out of class Layout. + Remove trailing underscores from field names. Add group_sections + field. Rename group_ field to is_group. Change all uses. + (class Layout): Declare find_or_add_kept_section, not add_comdat. + * object.cc (Sized_relobj::Sized_relobj): Don't initialize + comdat_groups_ field. + (Sized_relobj::include_section_group): Use + find_or_add_kept_section and Kept_section::group_sections. + (Sized_relobj::include_linkonce_section): Likewise. + * object.cc (class Sized_relobj): Don't define Comdat_group or + Comdat_group_table. Remove find_comdat_group and + add_comdat_group. Remove comdat_groups_ field. + * plugin.cc (include_comdat_group): Use + Layout::find_or_add_kept_section. + +2009-02-28 Ian Lance Taylor <iant@google.com> + + * README: --gc-sections and map files are now supported. Document + some build requirements. + + PR 6992 + * symtab.cc (Symbol_table::sized_write_section_symbol): In a + relocatable link set the value of the section symbol to zero. + * object.cc (Sized_relobj::do_finalize_local_symbols): In a + relocatable link don't include the section address in the local + symbol value. + +2009-02-27 Ian Lance Taylor <iant@google.com> + + PR 6811 + * options.h (class Search_directory): Add is_system_directory. + (class General_options): Declare is_in_system_directory. + * options.cc (get_relative_sysroot): Make static. + (get_default_sysroot): Make static. + (General_optoins::is_in_system_directory): New function. + * fileread.cc (Input_file::is_in_system_directory): New function. + * fileread.h (class Input_file): Declare is_in_system_directory. + * object.h (class Object): Add is_in_system_directory. + (class Input_objects): Remove system_library_directory_ field. + * object.cc (Input_objects::add_object): Don't set + system_library_directory_. + (input_objects::found_in_system_library_directory): Remove. + * symtab.cc (Symbol_table::write_globals): Remove input_objects + parameter. Change all callers. + (Symbol_table::sized_write_globals): Likewise. + (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise. + Call Object::is_in_system_directory. + * symtab.h (class Symbol_table): Update declarations. + + PR 5990 + * descriptors.h (Open_descriptor): Add is_on_stack field. + * descriptors.cc (Descriptors::open): If the descriptor is on the + top of the stack, remove it. Initialize is_on_stack field. + (Descriptors::release): Only add pod to stack if it is not on the + stack already. + (Descriptors::close_some_descriptor): Clear stack_next and + is_on_stack fields. + + PR 7091 + * output.cc (Output_section::find_starting_output_address): Rename + from starting_output_address; add PADDR parameter; change return + type. + * output.h (class Output_section): Declare + find_starting_output_address instead of starting_output_address. + * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a + section symbol for which we can't find a merge section. + + PR 9836 + * symtab.cc (Symbol_table::add_from_object): If the visibility is + hidden or internal, force the symbol to be local. + * resolve.cc (Symbol::override_visibility): Define. + (Symbol::override_base): Use override_visibility. + (Symbol_table::resolve): Likewise. + (Symbol::override_base_with_special): Likewise. + (Symbol_table::override_with_special): If the visibility is hidden + or internal, force the symbol to be local. + * symtab.h (class Symbol): Add set_visibility and + override_visibility. + * testsuite/ver_test_1.sh: New file. + * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh. + (check_DATA): Add ver_test_1.syms. + (ver_test_1.syms): New target. + * testsuite/Makefile.in: Rebuild. + +2009-02-25 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::choose_output_section): Don't rename sections + when using a linker script that has a SECTIONS clause. + * Makefile.in: Regenerate. + + * testsuite/Makefile.am (script_test_5.sh): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/script_test_5.cc: New file. + * testsuite/script_test_5.sh: New file. + * testsuite/script_test_5.t: New file. + +2009-02-13 Rafael Avila de Espindola <espindola@google.com> + + * archive.cc (Archive::include_member): Update calls to add_symbols. + * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add + the Layout argument. + * dynobj.h (do_add_symbols): Add the Layout argument. + * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the + Layout argument. + * object.h (Object::add_symbols): Add the Layout argument. + (Object::do_add_symbols): Add the Layout argument. + (Sized_relobj::do_add_symbols): Add the Layout argument. + * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols): + Unify the two versions. + (Add_plugin_symbols): Remove. + * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove. + (Sized_pluginobj::do_add_symbols): Unify the two versions. + (Add_plugin_symbols): Remove. + * readsyms.cc (Read_symbols::do_read_symbols): Update call to + Add_symbols. Use Add_symbols instead of Add_plugin_symbols. + (Add_symbols::run): Make it work with Pulginobj. + +2009-02-06 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj::do_layout): Make info message start + with lower case letter. + +2009-02-06 Mikolaj Zalewski <mikolajz@google.com> + + * binary.cc: Fix file comment. + + * options.h (enum Incremental_disposition): Define. + (class General_options): Add new options: --incremental, + --incremental_changed, --incremental_unchanged, + --incremental_unknown. Add incremental_disposition_ and + implicit_incremental_ fields. + (General_options::incremental_disposition): New function. + (class Position_dependent_options): Add incremental_disposition + option. + (Position_dependent_options::copy_from_options): Set incremental + dispositions. + * options.cc (General_options::parse_incremental_changed): New + function. + (General_options::parse_incremental_unchanged): New function. + (General_options::parse_incremental_unknown): New function. + (General_options::General_options): Initialize new fields + incremental_disposition_ and implicit_incremental_. + (General_options::finalize): Check for uasge of --incremental-* + without --incremental. + +2009-02-06 Chris Demetriou <cgd@google.com> + + * gold.h (gold_undefined_symbol): Change to take only a Symbol + pointer and to report location as the file name associated with + the symbol. + (gold_undefined_symbol_at_location): New function to replace the + old gold_undefined_symbol functionality. + * target-reloc.h (relocate_section): Update to use + gold_undefined_symbol_at_location. + * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol): + Call gold_undefined_symbol function rather than gold_error. + * errors.h (Errors::undefined_symbol): Take location as a + string, rather than calculating it from a relocation. + * errors.cc (Errors::fatal): Print "fatal error:" before the + formatted message. + (Errors::error, Errors::error_at_location): Print "error: " + before the formatted message. + (Errors::undefined_symbol): Take location as a string, rather + than calculating it from a relocation. + (gold_undefined_symbol_at_location): New function akin to + old gold_undefined_symbol, calculates location from relocation. + (gold_undefined_symbol): Change to take only a Symbol pointer + and to report location as the file name associated with the symbol. + * testsuite/debug_msg.sh: Update for changed error messages. + * testsuite/undef_symbol.sh: Likewise. + +2009-02-04 Duncan Sands <baldrick@free.fr> + + PR 9812 + * reduced_debug_output.h + (Output_reduced_debug_abbrev_section::failed): Use format for + gold_warning. + (Output_reduced_debug_info_section::faild): Likewise. + +2009-01-31 Mikolaj Zalewski <mikolajz@google.com> + + * script.cc (Lazy_demangler): New class. + (Version_script_info::get_symbol_version_helper): Demangle a + symbol only once. + +2009-01-29 Cary Coutant <ccoutant@google.com> + + * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls + to __tls_get_addr. + * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise. + +2009-01-28 Ian Lance Taylor <iant@google.com> + + * version.cc (version_string): Bump to 1.9. + + * gold.h: Include <cstring> and <stdint.h>. + * version.cc: Include <cstdio>. + * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a + warning. + * reduced_debug_output.cc (insert_into_vector): Rename from + Insert_into_vector; change all callers. Use Swap_unaligned to + avoid aliasing issue; remove union since it is unnecessary. + +2009-01-27 Sriraman Tallam <tmsriram@google.com> + + * Makefile.am (CCFILES): Add gc.cc. + (HFILES): Add gc.h. + * Makefile.in: Regenerate. + * gold.cc (Gc_runner): New class. + (queue_initial_tasks): Call garbage collection related tasks + when corresponding options are invoked. + (queue_middle_gc_tasks): New function. + (queue_middle_tasks): Reorder tasks to allow relocs to be read and + processed early before laying out sections during garbage collection. + * gold.h (queue_middle_gc_tasks): New function. + (is_prefix_of): Move from "layout.cc". + * i386.cc (Target_i386::gc_process_relocs): New function. + * layout.cc (is_prefix_of): Remove. Move to "gold.h" + * main.cc (main): Create object of class "Garbage_collection". + * object.cc (Relobj::copy_symbols_data): New function. + (Relobj::is_section_name_included): New function. + (Sized_relobj::do_layout): Allow this function to be called twice + during garbage collection and defer layout of section during the + first call. + * object.h (Relobj::get_symbols_data): New function. + (Relobj::is_section_name_included): New function. + (Relobj::copy_symbols_data): New function. + (Relobj::set_symbols_data): New function. + (Relobj::get_relocs_data): New function. + (Relobj::set_relocs_data): New function. + (Relobj::is_output_section_offset_invalid): New pure virtual function. + (Relobj::gc_process_relocs): New function. + (Relobj::do_gc_process_relocs): New pure virtual function. + (Relobj::sd_): New data member. + (Sized_relobj::is_output_section_offset_invalid): New function. + (Sized_relobj::do_gc_process_relocs): New function. + * options.h (General_options::gc_sections): Modify to not be a no-op. + (General_options::print_gc_sections): New option. + * plugin.cc (Plugin_finish::run): Remove function call to + Plugin_manager::layout_deferred_objects. Move it to "gold.cc". + * powerpc.cc (Target_powerpc::gc_process_relocs): New function. + * reloc.cc (Read_relocs::run): Add task to process relocs and + determine unreferenced sections when doing garbage collection. + (Gc_process_relocs): New class. + (Sized_relobj::do_gc_process_relocs): New function. + (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for + sections that are garbage collected. + * reloc.h (Gc_process_relocs): New class. + * sparc.cc (Target_sparc::gc_process_relocs): New function. + * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for + symbols whose corresponding sections are garbage collected. + (Symbol_table::Symbol_table): Add new parameter for the garbage + collection object. + (Symbol_table::gc_mark_undef_symbols): New function. + (Symbol_table::gc_mark_symbol_for_shlib): New function. + (Symbol_table::gc_mark_dyn_syms): New function. + (Symbol_table::resolve): Do not treat symbols seen in dynamic objects + as garbage. + (Symbol_table::add_from_object): Likewise. + (Symbol_table::add_from_relobj): When building shared objects, do not + treat externally visible symbols as garbage. + (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol + table information for static and relocatable links. + * symtab.h (Symbol_table::set_gc): New function. + (Symbol_table::gc): New function. + (Symbol_table::gc_mark_undef_symbols): New function. + (Symbol_table::gc_mark_symbol_for_shlib): New function. + (Symbol_table::gc_mark_dyn_syms): New function. + (Symbol_table::gc_): New data member. + * target.h (Sized_target::gc_process_relocs): New pure virtual + function. + * x86_64.cc (Target_x86_64::gc_process_relocs): New function. + * testsuite/testfile.cc (Target_test::gc_process_relocs): New function. + +2009-01-20 Chris Faylor <me.sourceware@sourceware.org> + + * options.h (General_options::gc_sections): Define as a no-op for now. + (General_options::no_keep_memory): Ditto. + (General_options::Bshareable): Define. + * options.cc (General_options::finalize): Honor -Bshareable. + +2009-01-20 Andreas Schwab <schwab@suse.de> + + * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to + read the value in the contents, since we don't use it. Use the + template endianness when writing. + (Relocate::relocate): Use it for R_PPC_REL16_HA. + +2009-01-19 Andreas Schwab <schwab@suse.de> + + * configure.tgt (powerpc64-*): Fix targ_obj. + +2009-01-15 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj::write_local_symbols): Don't write out + local symbols when stripping all symbols. + +2009-01-14 Cary Coutant <ccoutant@google.com> + + * output.cc (Output_reloc): Add explicit instantiations. + +2009-01-14 Cary Coutant <ccoutant@google.com> + + * archive.cc (Archive::get_elf_object_for_member): Remove call + to File_read::claim_for_plugin. + * descriptors.cc (Descriptors::open): Remove reference to + is_claimed. + (Descriptors::claim_for_plugin): Remove. + * descriptors.h (Descriptors::claim_for_plugin): Remove. + (Descriptors::is_claimed): Remove. + (claim_descriptor_for_plugin): Remove. + * fileread.cc (File_read::claim_for_plugin): Remove. + * fileread.h (File_read::claim_for_plugin): Remove. + (File_read::descriptor): Reopen descriptor if necessary. + * plugin.cc (Plugin::load): Add two new APIs to transfer vector. + (Plugin_manager::all_symbols_read): Add task parameter. Change + all callers. + (Plugin_manager::get_input_file): New function. + (Plugin_manager::release_input_file): New function. + (Pluginobj::Pluginobj): Add filesize parameter and initialize + corresponding data member. + (Sized_pluginobj::Sized_pluginobj): Add filesize parameter + and pass to base constructor. Change all callers. + (get_input_file, release_input_file): New functions. + (make_sized_plugin_object): Add filesize parameter. Change all callers. + * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member. + (Plugin_manager::all_symbols_read): Add task parameter. + (Plugin_manager::get_input_file): New function. + (Plugin_manager::release_input_file): New function. + (Plugin_manager::task_): New data member. + (Pluginobj::Pluginobj): Add filesize parameter. + (Pluginobj::filename): New function. + (Pluginobj::descriptor): New function. + (Pluginobj::filesize): New function. + (Pluginobj::filesize_): New data member. + (Sized_pluginobj::Sized_pluginobj): Add filesize parameter. + * readsyms.cc (Read_symbols::do_read_symbols): Remove call to + File_read::claim_for_plugin; use Object::unlock to unlock the file. + + * testsuite/Makefile.am (plugin_test_4): New test case for plugins + with archive libraries. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test.c (struct sym_info): New type. + (get_input_file, release_input_file): New static variables. + (onload): Capture new transfer vector entries. + (claim_file_hook): Stop reading at end of file according to filesize. + Factor out parsing of readelf output into separate function. + (all_symbols_read_hook): Exercise get_input_file and release_input_file + APIs and get the source file name from the symbol table. Convert + source file name to corresponding object file name. Print info + message when adding new input files. + (parse_readelf_line): New function. + * testsuite/plugin_test_1.sh: Add checks for new info messages. + * testsuite/plugin_test_2.sh: Likewise. + * testsuite/plugin_test_3.sh: Likewise. + * testsuite/plugin_test_4.sh: New test case. + +2009-01-07 Ian Lance Taylor <iant@google.com> + + * version.cc (version_string): Bump to 1.8. + +2008-12-23 Cary Coutant <ccoutant@google.com> + + * gold.cc (gold_exit): Call plugin cleanup handlers on exit. + * plugin.cc (Plugin_manager::finish): Rename as + layout_deferred_objects. Move cleanup to separate function. + (Plugin_manager::cleanup): New function. + (Plugin_finish::run): Call layout_deferred_objects and cleanup + separately. + * plugin.h (Plugin_manager::finish): Rename as + layout_deferred_objects. + (Plugin_manager::cleanup): New function. + (Plugin_manager::cleanup_done): New field. + +2008-12-23 Cary Coutant <ccoutant@google.com> + + * plugin.cc (is_visible_from_outside): New function. + (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside + so we don't return "IR only" status for exported symbols or -r links. + + * testsuite/Makefile.am (plugin_test_3): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test_3.sh: New file. + +2008-12-22 Cary Coutant <ccoutant@google.com> + + * object.cc (Sized_relobj::layout_section): New function. + (Sized_relobj::do_layout): Defer layout of input sections until after + plugin has provided replacement files. + (Sized_relobj::do_layout_deferred_sections): New function. + * object.h (Relobj::set_section_offset): Remove virtual keyword. + (Relobj::layout_deferred_sections): New function. + (Relobj::do_layout_deferred_sections): New function. + (Sized_relobj::do_layout_deferred_sections): New function. + (Sized_relobj::layout_section): New function. + (Sized_relobj::Deferred_layout): New structure. + (Sized_relobj::deferred_layout_): New field. + * plugin.cc (Plugin_manager::finish): Renamed, was cleanup. + Change all callers. Layout deferred sections. + (class Plugin_finish): Renamed, was Plugin_cleanup. Change all + references. + (Plugin_hook::run): Move code from do_plugin_hook inline. + (Plugin_hook::do_plugin_hook): Remove. + * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers. + (Plugin_manager::finish): Renamed, was cleanup. + (Plugin_manager::should_defer_layout): New function. + (Plugin_manager::add_deferred_layout_object): New function. + (Plugin_manager::Deferred_layout_list): New type. + (Plugin_manager::deferred_layout_objects_): New field. + (Plugin_hook::do_plugin_hook): Remove. + +2008-12-17 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Add --no case for + --export-dynamic. + +2008-12-16 Cary Coutant <ccoutant@google.com> + + * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer + vector. + (Plugin_manager::claim_file): Create plugin object even if + plugin did not call the add_symbols callback. + (Plugin_obj::get_symbol_resolution_info): Guard against plugin + asking for more symbols than were added. + * testsuite/Makefile.am (plugin_test_1): Add test case with + no global symbols. + (empty.syms): New target. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test.c (claim_file_hook): Add new debug + message. Don't call add_symbols if no globals. + (all_symbols_read_hook): Don't provide replacement for empty + claimed file. + +2008-12-12 Ian Lance Taylor <iant@google.com> + + * target-reloc.h (Default_scan_relocatable_relocs): Only discard + r_type == 0 for a local symbol with r_sym == 0. + (scan_relocatable_relocs): Pass r_sym to + local_non_section_strategy. + * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add + r_sym parameter. + + * configure.ac: Update test for TLS descriptors: they are + supported as of glibc 2.9. + * configure: Rebuild. + +2008-12-11 Ian Lance Taylor <iant@google.com> + + PR 7091 + * target-reloc.h (Default_scan_relocatable_relocs): For each + function, map r_type == 0 to RELOC_DISCARD. + +2008-12-10 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement + object to override a kept COMDAT group from a plugin object. + +2008-12-09 Ian Lance Taylor <iant@google.com> + + PR 7088 + * yyscript.y (file_cmd): Handle INPUT. + + * testsuite/initpri1.c: Change all declarations to be full + prototypes by adding void, to avoid compiler warnings. + +2008-12-05 Rafael Avila de Espindola <espindola@google.com> + + * options.cc (General_options::parse_plugin_opt): New. + (General_options::add_plugin): The argument now is just the filename. + (General_options::add_plugin_option): New. + * options.h (plugin_opt): New. + (add_plugin): Change argument name. + (add_plugin_option): New. + * plugin.cc (Plugin::load): Don't parse the plugin option. + * plugin.h (Plugin::Plugin): Rename argument. Init filename_. + (Plugin::add_option): New. + (Plugin::args_): Change type. + (Plugin::filename_): New. + (Plugin_manager::add_plugin_option): New. + * testsuite/Makefile.am (plugin_test_1): Use new syntax. + * testsuite/Makefile.in: Regenerate. + +2008-12-05 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::include_section): Check for SHF_EXCLUDE. + Handle --strip-lto-sections option. + * options.h (strip_lto_sections): New option. + +2008-12-01 Cary Coutant <ccoutant@google.com> + + * plugin.cc (ld_plugin_message): Change format parameter to const. + Fix mismatch between new[] and delete. + +2008-11-14 Cary Coutant <ccoutant@google.com> + + * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address + instead of -1U. + +2008-11-05 Craig Silverstein <csilvers@google.com> + + * options.cc (General_options::parse_dynamic_list): New function. + * options.h (General_options): New flags dynamic_list, + dynamic_list_data, dynamic_list_cpp_new, and + dynamic_list_cpp_typeinfo. New variable dynamic_list_. + (General_options::in_dynamic_list): New function. + * script.cc (Lex::Mode): New enum DYNAMIC_LIST. + (Lex::can_start_name): Add support for DYNAMIC_LIST mode. + (Lex::can_continue_name): Likewise. + (yylex): Likewise. + (read_script_file): New parameter script_options. + (read_dynamic_list): New function. + (Script_options::define_dynamic_list): New function. + (dynamic_list_keyword_parsecodes): New variable. + (dynamic_list_keywords): New variable. + * script.h (Script_options::define_dynamic_list): New function + prototype. + (read_dynamic_list): New function prototype. + * symtab.cc (strprefix): New macro. + (Symbol::should_add_dynsym_entry): Support dynamic_list, + dynamic_list_data, dynamic_list_cpp_new, and + dynamic_list_cpp_typeinfo. + * yyscript.y (PARSING_DYNAMIC_LIST): New token. + (dynamic_list_expr): New rule. + (dynamic_list_nodes): Likewise. + (dynamic_list_node): Likewise. + * testsuite/Makefile.am (dynamic_list): New test. + * testsuite/Makefile.in: Regenerated. + * testsuite/dynamic_list.t: New file. + * testsuite/dynamic_list.sh: New file. + +2008-11-05 Craig Silverstein <csilvers@google.com> + + * testsuite/tls_test_c.c: Add prototype for t11 and t11_last. + * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype. + (t11_last): Likewise. + * testsuite/ver_test_6.c (main): Likewise. + +2008-10-07 Cary Coutant <ccoutant@google.com> + + * options.c (General_options::finalize): Add check for -static and + -shared. + * gold.cc (queue_middle_tasks): Assert that list of dynamic objects + is not empty. + +2008-10-02 Cary Coutant <ccoutant@google.com> + + * plugin.cc (make_sized_plugin_object): Fix conditional + compilation to work when not all targets are enabled. + +2008-09-29 Cary Coutant <ccoutant@google.com> + + * archive.cc (Archive::get_file_and_offset): Use filename instead + of name to get library path. + (Archive::include_member): Unlock external member of a thin archive. + + * testsuite/Makefile.am (TEST_AR): New variable. + (thin_archive_test_1): New test. + (thin_archive_test_2): New test. + * testsuite/Makefile.in: Regenerate. + * testsuite/thin_archive_main.cc: New file. + * testsuite/thin_archive_test_1.cc: New file. + * testsuite/thin_archive_test_2.cc: New file. + * testsuite/thin_archive_test_3.cc: New file. + * testsuite/thin_archive_test_4.cc: New file. + +2008-09-29 Cary Coutant <ccoutant@google.com> + + * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL. + * object.cc (Sized_relobj::do_layout): Use constant invalid_address + instead of -1U. + (Sized_relobj::do_finalize_local_symbols): Likewise. + (Sized_relobj::map_to_kept_section): Likewise. + * object.h (Sized_relobj::invalid_address): New constant. + (Sized_relobj::do_output_section_offset): Check for invalid_address + and return -1ULL. + * output.cc (Output_reloc::local_section_offset): Use constant + invalid_address instead of -1U. + (Output_reloc::get_address): Likewise. + (Output_section::output_address): Change -1U to -1ULL. + * output.h (Output_reloc::invalid_address): New constant. + * reloc.cc (Sized_relobj::write_sections): Use constant + invalid_address instead of -1U. + (Sized_relobj::relocate_sections): Likewise. + * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol + values for merge sections. + * target-reloc.h (relocate_for_relocatable): Use constant + invalid_address instead of -1U. + +2008-09-19 Cary Coutant <ccoutant@google.com> + + Add plugin functionality for link-time optimization (LTO). + * configure.ac (plugins): Add --enable-plugins option. + * configure: Regenerate. + * config.in: Regenerate. + * Makefile.am (LIBDL): New variable. + (CCFILES): Add plugin.cc. + (HFILES): Add plugin.h. + (ldadd_var): Add LIBDL. + * Makefile.in: Regenerate. + + * archive.cc: Include "plugin.h". + (Archive::setup): Don't preread archive symbols when using a plugin. + (Archive::get_file_and_offset): Add memsize parameter. Change callers. + (Archive::get_elf_object_for_member): Call plugin hooks for claiming + files. + (Archive::include_member): Add symbols from plugin objects. + * archive.h (Archive::get_file_and_offset): Add memsize parameter. + * descriptors.cc (Descriptors::open): Check for file descriptors + abandoned by plugins. + (Descriptors::claim_for_plugin): New function. + * descriptors.h (Descriptors::claim_for_plugin): New function. + (Open_descriptor::is_claimed): New field. + (claim_descriptor_for_plugin): New function. + * fileread.cc (File_read::claim_for_plugin): New function. + * fileread.h (File_read::claim_for_plugin): New function. + (File_read::descriptor): New function. + * gold.cc: Include "plugin.h". + (queue_initial_tasks): Add task to call plugin hooks for generating + new object files. + * main.cc: Include "plugin.h". + (main): Load plugin libraries. + * object.h (Pluginobj): Declare. + (Object::pluginobj): New function. + (Object::do_pluginobj): New function. + (Object::set_target): New function. + * options.cc: Include "plugin.h". + (General_options::parse_plugin): New function. + (General_options::General_options): Initialize plugins_ field. + (General_options::add_plugin): New function. + * options.h (Plugin_manager): Declare. + (General_options): Add --plugin option. + (General_options::has_plugins): New function. + (General_options::plugins): New function. + (General_options::add_plugin): New function. + (General_options::plugins_): New field. + * plugin.cc: New file. + * plugin.h: New file. + * readsyms.cc: Include "plugin.h". + (Read_symbols::do_read_symbols): Check for archive before checking + for ELF file. Call plugin hooks to claim files. + * resolve.cc (Symbol_table::resolve): Record when symbol is referenced + from a real object file; force override when processing replacement + files. + * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field. + (Symbol::init_base_object): Likewise. + (Symbol::init_base_output_data): Likewise. + (Symbol::init_base_output_segment): Likewise. + (Symbol::init_base_constant): Likewise. + (Symbol::init_base_undefined): Likewise. + (Symbol::output_section): Assert that object is not a plugin. + (Symbol_table::add_from_pluginobj): New function. + (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as + undefined. + (Symbol_table::sized_write_globals): Likewise. + (Symbol_table::add_from_pluginobj): Instantiate template. + * symtab.h (Sized_pluginobj): Declare. + (Symbol::in_real_elf): New function. + (Symbol::set_in_real_elf): New function. + (Symbol::in_real_elf_): New field. + (Symbol_table::add_from_pluginobj): New function. + + * testsuite/Makefile.am (AM_CFLAGS): New variable. + (LIBDL): New variable. + (LDADD): Add LIBDL. + (check_PROGRAMS): Add plugin_test_1 and plugin_test_2. + (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh. + (check_DATA): Add plugin_test_1.err and plugin_test_2.err. + (MOSTLYCLEANFILES): Likewise. + * testsuite/Makefile.in: Regenerate. + * testsuite/plugin_test.c: New file. + * testsuite/plugin_test_1.sh: New file. + * testsuite/plugin_test_2.sh: New file. + +2008-09-16 Ian Lance Taylor <iant@google.com> + + * target-reloc.h (relocate_section): Check whether a symbol is + defined by the ABI before reporting an undefined symbol error. + * target.h (Target::is_defined_by_abi): Make parameter const. + (Target::do_is_defined_by_abi): Likewise. + * i386.cc (Target_i386::do_is_defined_by_abi): Likewise. + * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise. + * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise. + * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise. + * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs. + * testsuite/Makefile.in: Rebuild. + + * fileread.cc (make_view): Add casts to avoid warning. + +2008-09-16 Alexandre Oliva <aoliva@redhat.com> + + * i386.cc (Target_i386::define_tls_base_symbol): Update comments. + * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise. + +2008-09-16 Alexandre Oliva <aoliva@redhat.com> + + * options.h (General_options::output_is_executable): New. + (General_options::output_is_pie): New. + * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START + for shared libraries. + * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise. + +2008-09-11 Chris Demetriou <cgd@google.com> + + * options.h (origin): New -z option. + * layout.cc (Layout:finish_dynamic_section): If "-z origin" + is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN + in DT_FLAGS_1. + +2008-09-05 Cary Coutant <ccoutant@google.com> + + * fileread.cc (File_read::make_view): Add check for attempt to map + beyond end of file. + +2008-09-05 Cary Coutant <ccoutant@google.com> + + * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in + explicit instantiations. + +2008-08-28 Kris Van Hees <kris.van.hees@oracle.com> + + PR gold/6858 + * options.cc (General_options::finalize): Allow undefined symbols + in shlibs if linking -shared. + + PR gold/6859 + * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined + symbols as not needing a dynsym entry. + +2008-08-20 Craig Silverstein <csilvers@google.com> + + * fileread.cc (File_read::open): Do not lock the file unless it + was successfully opened. + +2008-08-14 Cary Coutant <ccoutant@google.com> + + * x86_64.cc (Target_x86_64::Relocate::relocat_tls): + Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs. + * testsuite/tls_test.cc (struct int128): 128-bit struct + for testing TLS relocs with non-zero addend. + (v12): New TLS variable. + (t12): New test. + (t_last): Add check for v12. + * testsuite/tls_test.h (t12): New function. + * testsuite/tls_test_main.cc (thread_routine): Call new test. + +2008-08-13 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::attach_allocated_section_to_segment): Don't + set tls_segment_ or relro_segment_. + (Layout::make_output_segment): Set tls_segment_ and relro_segment_ + when appropriate. + * output.h (Output_section::clear_is_relro): New function. + * output.cc (Output_segment::add_output_section): Handle SHF_TLS + sections specially even when output_data_ is empty. + (Output_segment::maximum_alignment): When first section is relro, + only force alignment for PT_LOAD segments. + * script.cc (script_data_segment_align): New function. + (script_data_segment_relro_end): New function. + * script-c.h (script_data_segment_align): Declare. + (script_data_segment_relro_end): Declare. + * script-sections.h (class Script_sections): Declare + data_segment_align and data_segment_relro_end. Add fields + segment_align_index_ and saw_relro_end_. + * script-sections.cc (class Sections_element): Add set_is_relro + virtual function. Add new bool* parameter to place_orphan_here. + Add get_output_section virtual function. + (class Output_section_definition): Add set_is_relro. Add new + bool* parameter to place_orphan_here. Add get_output_section. + Add is_relro_ field. + (Output_section_definition::Output_section_definition): Initialize + evaluated_address_, evaluated_load_address, evaluated_addralign_, + and is_relro_ fields. + (Output_section_definition::place_orphan_here): Add is_relro + parameter. + (Output_section_definition::set_section_addresses): Set relro for + output section. + (Output_section_definition::alternate_constraint): Likewise. + (class Orphan_output_section): Add new bool* parameter to + place_orphan_here. Add get_output_section. + (Orphan_output_section::place_orphan_here): Add is_relro + parameter. + (Script_sections::Script_sections): Initialize + data_segment_align_index_ and saw_relro_end_. + (Script_sections::data_segment_align): New function. + (Script_sections::data_segment_relro_end): New function. + (Script_sections::place_orphan): Set or clear is_relro. + (Script_sections::set_section_addresses): Force alignment of first + TLS section. + * yyscript.y (exp): Call script_data_segment_align and + script_data_segment_relro_end. + * testsuite/relro_script_test.t: New file. + * testsuite/relro_test.cc (using_script): Declare. + (t1, t2): Test using_script. + * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test. + (relro_script_test_SOURCES): Define. + (relro_script_test_DEPENDENCIES): Define. + (relro_script_test_LDFLAGS): Define. + (relro_script_test_LDADD): Define. + (relro_script_test.so): New target. + * testsuite/Makefile.in: Rebuild. + +2008-08-06 Cary Coutant <ccoutant@google.com> + + * archive.cc (Archive::total_archives, Archive::total_members) + (Archive::total_members_loaded): New variables. + (Archive::setup): Add parameter. Add option to preread + archive symbols. + (Archive::read_armap): Add counter. + (Archive::get_file_and_offset): New function. + (Archive::get_elf_object_for_member): New function. + (Archive::read_all_symbols): New function. + (Archive::read_symbols): New function. + (Archive::add_symbols): Add counters. + (Archive::include_all_members): Use armap to find members if it's + already built. + (Archive::include_member): Skip reading symbols if already read. + Factored code into Archive::get_file_and_offset and + Archive::get_elf_object_for_member. Changed call to + Mapfile::report_include_archive_member. + (Archive::print_stats): New function. + * archive.h: Declare Object and Read_symbols_data classes. + (Archive::Archive): Add initializers for new members. + (Archive::setup): Add parameter. + (Archive::print_stats): New function. + (Archive::total_archives, Archive::total_members) + (Archive::total_members_loaded): New variables. + (Archive::get_file_and_offset): New function. + (Archive::get_elf_object_for_member): New function. + (Archive::read_all_symbols): New function. + (Archive::read_symbols): New function. + (Archive::Archive_member): New class. + (Archive::members_): New member. + (Archive::num_members_): New member. + * main.cc: Include archive.h. + (main): Call Archive::print_stats. + * mapfile.cc (Mapfile::report_include_archive_member): Delete + archive parameter; member_name is now the fully-decorated name. + * mapfile.h (Mapfile::report_include_archive_member): Likewise. + * options.h: (General_options): Add --preread-archive-symbols option. + * readsyms.cc (Read_symbols::do_read_symbols): Change call to + Archive::setup. + +2008-08-04 Ian Lance Taylor <iant@google.com> + + * symtab.h (Symbol::use_plt_offset): New function. + * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset. + * powerpc.cc (Relocate::relocate): Likewise. + * sparc.cc (Relocate::relocate): Likewise. + * x86_64.cc (Relocate::relocate): Likewise. + * testsuite/weak_plt.sh: New test. + * testsuite/weak_plt_main.cc: New test. + * testsuite/weak_plt_shared.cc: New test. + * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh. + (check_PROGRAMS): Add weak_plt. + (check_DATA): Add weak_plt_shared.so. + (weak_plt_main_pic.o, weak_plt): New targets. + (weak_plt_shared_pic.o, weak_plt_shared.so): New targets. + * testsuite/Makefile.in: Rebuild. + + * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon + gcctestdir/ld. + (weak_alias_test_2.so, weak_alias_test_4.so): Likewise. + * testsuite/Makefile.in: Rebuild. + +2008-08-04 Alan Modra <amodra@bigpond.net.au> + + * Makefile.am (POTFILES.in): Set LC_ALL=C. + * Makefile.in: Regenerate. + * po/POTFILES.in: Regenerate. + +2008-07-29 Ian Lance Taylor <iant@google.com> + + * script.cc (Script_options::finalize_symbols): Finalize SECTIONS + symbols before other symbols. + * testsuite/script_test_2.cc (test_addr): Declare. + (test_addr_alias): Declare. + (main): Check that test_addr and test_addr_alias have the right + values. + * testsuite/script_test_2.t: Define test_addr_alias and + test_addr. + +2008-07-24 Ian Lance Taylor <iant@google.com> + + PR 5990 + * descriptors.cc: New file. + * descriptors.h: New file. + * gold-threads.h (class Hold_optional_lock): New class. + * fileread.cc: Include "descriptors.h". + (File_read::~File_read): Release descriptor rather than closing + it. + (File_read::open) [file]: Call open_descriptor rather than open. + Set is_descriptor_opened_. + (File_read::open) [memory]: Assert that descriptor is not open. + (File_read::reopen_descriptor): New function. + (File_read::release): Release descriptor. + (File_read::do_read): Make non-const. Reopen descriptor. + (File_read::read): Make non-const. + (File_read::make_view): Reopen descriptor. + (File_read::do_readv): Likewise. + * fileread.h (class File_read): Add is_descriptor_opened_ field. + Update declarations. + * layout.cc: Include "descriptors.h". + (Layout::create_build_id): Use open_descriptor rather than open. + * output.cc: Include "descriptors.h". + (Output_file::open): Use open_descriptor rather than open. + * archive.cc (Archive::const_iterator): Change Archive to be + non-const. + (Archive::begin, Archive::end): Make non-const. + (Archive::count_members): Likewise. + * archive.h (class Archive): Update declarations. + * object.h (Object::read): Make non-const. + * Makefile.am (CCFILES): Add descriptors.cc. + (HFILES): Add descriptors.h. + * Makefile.in: Rebuild. + + PR 6716 + * gold.h: Always include <clocale>. Add Solaris workarounds + following code in binutils/sysdep.h. + + PR 6048 + * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether + this->eh_frame_hdr_ is NULL before using it. + + * dynobj.cc (Versions::Versions): Update comment. + + * dynobj.cc (Versions::Versions): If there is an soname, use it as + the base version name. + + * stringpool.cc (Stringpool_template::add_with_length): Set key to + array size plus one. + (Stringpool_template::set_string_offsets): Subtract one from key + before using it as an array index. + (Stringpool_template::get_offset_with_length): Likewise. + (Stringpool_template::write_to_buffer): Likewise. + * stringpool.h (Stringpool_template::get_offset_from_key): + Likewise. + +2008-07-23 Ian Lance Taylor <iant@google.com> + + PR 6658 + * object.h (Merged_symbol_value::value): Do our best to handle a + negative addend. + + PR 6647 + * script.cc (Version_script_info::get_versions): Don't add empty + version tag to return value. + (Version_script_info::get_symbol_version_helper): Change return + type to bool. Add pversion parameter. Change all callers. + (script_register_vers_node): Don't require a non-NULL tag. + * script.h (class Version_script_info): Update declarations. + (Version_script_info::get_symbol_version): Change return type to + bool. Add version parameter. Change all callers. + * symtab.cc (Sized_symbol::add_from_relobj): Rework version + handling. Handle an empty version from a version script. + (Symbol_table::define_special_symbol): Likewise. + * testsuite/ver_test_10.script: New file. + * testsuite/ver_test_10.sh: New file. + * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh. + (check_DATA): Add ver_test_10.syms. + (ver_test_10.syms, ver_test_10.so): New target. + * testsuite/Makefile.in: Rebuild. + +2008-07-23 Simon Baldwin <simonb@google.com> + + * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size + to zero for undefined symbols from dynamic libraries. + +2008-07-23 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol_table::resolve): Remove version parameter. + Change all callers. + * symtab.h (class Symbol_table): Update declaration. + * testsuite/ver_test_9.cc: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9. + (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define. + (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define. + (ver_test_9.so, ver_test_9.o): New targets. + * testsuite/Makefile.in: Rebuild. + +2008-07-22 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Define --check-sections. + * layout.cc (Layout::set_segment_offsets): Handle + --check-sections. + + * options.h (class General_options): Define -n/--nmagic and + -N/--omagic. + * options.cc (General_options::finalize): For -n/--nmagic or + -N/--omagic, set -static. + * layout.cc (Layout::attach_allocated_section_to_segment): If + -N/--omagic, don't put read-only and read-write sections in + different segments. + (Layout::find_first_load_seg): If -N/--omagic, don't insist on + finding a read-only segment. + (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic, + don't set the minimum segment alignment to the common page size, + and don't set the file offset to the address modulo the page size. + * script-sections.cc (Script_sections::create_segments): If + -n/--omagic, don't put read-only and read-write sections in + different segments. + + * cref.cc: New file. + * cref.h: New file. + * options.h (class General_options): Add --print-symbol-counts. + * main.cc (main): Issue defined symbol report if requested. + * archive.cc (Archive::interpret_header): Make into a const member + function. + (Archive::add_symbols): Call Input_objects::archive_start and + archive_stop. + (Archive::const_iterator): Define new class. + (Archive::begin, Archive::end): New functions. + (Archive::include_all_members): Rewrite to use iterator. + (Archive::count_members): New function. + * archive.h (class Archive): Update declarations. + (Archive::filename): New function. + * object.cc: Include "cref.h". + (Sized_relobj::Sized_relobj): Initialize defined_count_. + (Sized_relobj::do_get_global_symbol_counts): New function. + (Input_objects::add_object): Add object to cross-referencer. + (Input_objects::archive_start): New function. + (Input_objects::archive_stop): New function. + (Input_objects::print_symbol_counts): New function. + * object.h: Declare Cref and Archive. + (Object::get_global_symbol_counts): New function. + (Object::do_get_global_symbol_counts): New pure virtual function. + (class Sized_relobj): Add defined_count_ field. Update + declarations. + (class Input_objects): Add cref_ field. Update constructor. + Update declarations. + * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and + defined_count_. + (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing + symbol counts. + (Sized_dynobj::do_get_global_symbol_counts): New function. + * dynobj.h (class Sized_dynobj): Add fields symbols_ and + defined_count_. Update declarations. Define Symbols typedef. + * symtab.cc (Symbol_table::add_from_relobj): Add defined + parameter. Change all callers. + (Symbol_table::add_from_dynobj): Add sympointers and defined + parameters. Change all callers. + * symtab.h (class Symbol_table): Update declarations. + * Makefile.am (CCFILES): Add cref.cc. + (HFILES): Add cref.h. + * Makefile.in: Rebuild. + +2008-07-22 Simon Baldwin <simonb@google.com> + + * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size + to zero when writing undefined symbols. + +2008-07-22 Ian Lance Taylor <iant@google.com> + + * output.cc (Output_section::add_input_section): Don't try to + merge empty merge sections. + +2008-07-21 Craig Silverstein <csilvers@google.com> + + * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol): + Include symbol version in error message. + +2008-07-20 Chris Demetriou <cgd@google.com> + + * configure.ac (gold_cv_c_random_seed): New configured variable. + (RANDOM_SEED_CFLAGS): New substituted variable. + * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS). + * configure: Rebuild. + * Makefile.in: Likewise. + * testsuite/Makefile.in: Likewise. + +2008-07-18 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol_table::add_from_object): Rewrite the case + where we see NAME/NULL and NAME/VERSION as separate symbols. + * testsuite/ver_test_main.cc (main): Call t4. + (t4, t4_2a): Define. + * testsuite/ver_test_2.cc (t4_2): Define. + * testsuite/ver_test_2.script: Put t4_2a in VER2. + * testsuite/ver_test_4.cc (t4_2a): Define. + * testsuite/ver_test_4.script: Put t4_2a in VER2. + * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare. + +2008-07-17 Ian Lance Taylor <iant@google.com> + + * dynobj.cc (Versions::add_def): If we give an error about a + missing version, go ahead and create the version anyhow. + +2008-07-10 Ian Lance Taylor <iant@google.com> + + Handle output sections with more than 0x7fffffff bytes. + * object.h (class Relobj): Change map_to_output_ to + output_sections_, and just keep a section pointer. Change all + uses. Move comdat group support to Sized_relobj. + (Relobj::is_section_specially_mapped): Remove. + (Relobj::output_section): Remove poff parameter. Change all + callers. + (Relobj::output_section_offset): New function. + (Relobj::set_section_offset): Rewrite. + (Relobj::map_to_output): Remove. + (Relobj::output_sections): New function. + (Relobj::do_output_section_offset): New pure virtual function. + (Relobj::do_set_section_offset): Likewise. + (class Sized_relobj): Add section_offsets_ field. Add comdat + group support from Relobj. Update declarations. + (Sized_relobj::get_output_section_offset): New function. + (Sized_relobj::do_output_section_offset): New function. + (Sized_relobj::do_set_section_offset): New function. + * object.cc (Relobj::output_section_address): Remove. + (Sized_relobj::Sized_relobj): Initialize new fields. + (Sized_relobj::include_section_group): Cast find_kept_object to + Sized_relobj. + (Sized_relobj::include_linkonce_section): Likewise. + (Sized_relobj::do_layout): Use separate arrays for output section + and output offset. + (Sized_relobj::do_count_local_symbols): Change map_to_output to + output_sections. + (Sized_relobj::do_finalize_local_symbols): Change map_to_output to + output_sections and section_offsets. + (Sized_relobj::write_local_symbols): Likewise. + (map_to_kept_section): Compute output address directly. + * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to + output_sections and section_offsets. + (Sized_relobj::write_sections): Likewise. + (Sized_relobj::relocate_sections): Likewise. + * symtab.cc (sized_finalize_symbol): Use output_section_offset. + * output.h (class Output_reloc): Update declarations. Change + u2_.relobj to Sized_relobj*. + (class Output_data_reloc): Change add functions to use + Sized_relobj*. + * output.cc (Output_reloc::Output_reloc): Change relobj to + Sized_relobj*. + (Output_reloc::local_section_offset): Change return type to + Elf_Addr. Use get_output_section_offset. + (Output_reloc::get_address): Likewise. + (Output_section::is_input_address_mapped): Don't call + is_section_specially_mapped. + (Output_section::output_offset): Likewise. + (Output_section::output_address): Likewise. + (Output_section::starting_output_address): Likewise. + * copy-relocs.cc (Copy_relocs::copy_reloc): Change object + parameter to Sized_relobj*. + (Copy_relocs::need_copy_reloc): Likewise. + (Copy_relocs::save): Likewise. + * copy-relocs.h (class Copy_relocs): Update declarations. + (class Copy_relocs::Copy_reloc_entry): Change constructor to use + Sized_relobj*. Change relobj_ field to Sized_relobj*. + * target-reloc.h (relocate_for_relocatable): Change + offset_in_output_section type to Elf_Addr. Change code that uses + it as well. + * layout.cc (Layout::layout): Always set *off. + * mapfile.cc (Mapfile::print_input_section): Use + output_section_offset. + * i386.cc (Target_i386::copy_reloc): Change object parameter to + Sized_relobj*. + * powerpc.cc (Target_powerpc::copy_reloc): Likewise. + * sparc.cc (Target_sparc::copy_reloc): Likewise. + * x86_64.cc (Target_x86_64::copy_reloc): Likewise. + +2008-07-03 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::include_section): Do not discard unrecognized + SHT_STRTAB sections. + +2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu> + + * script.cc (Lex::can_continue_name): Make '?' allowable in + version-script names. + * testsuite/version_script.map: Change glob pattern to use '?' + +2008-06-30 Manish Singh <yosh@gimp.org> + + PR 6585 + * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line): + Correct typo. + +2008-06-30 Ian Lance Taylor <iant@google.com> + + PR 6660 + PR 6682 + * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both + versions]: Don't try to read the value in the contents, since we + don't use it. Use the template endianness when writing. + +2008-06-25 Cary Coutant <ccoutant@google.com> + + * fileread.cc (File_read::make_view): Assert on zero-length view. + * object.cc (Sized_relobj::do_read_symbols): Don't try to read + symbol table when there are no symbols to read. + +2008-06-23 Craig Silverstein <csilvers@google.com> + + * version.cc (version_string): Bump to 1.7 + +2008-06-18 Craig Silverstein <csilvers@google.com> + + * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast + constant 0xFFFF to type Valtype. + (Powerpc_relocate_functions::rel16_ha): Likewise. + +2008-06-17 Ian Lance Taylor <iant@google.com> + + * output.h (Output_section::Input_section): Initialize p2align_ to + zero for Output_section_data constructors. + (Output_section::Input_section::addralign): If not an input + section, return the alignment of the Output_section_data. + * testsuite/copy_test.cc: New file. + * testsuite/copy_test_1.cc: New file. + * testsuite/copy_test_2.cc: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add copy_test. + (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables. + (copy_test_LDFLAGS, copy_test_LDADD): New variables. + (copy_test_1_pic.o, copy_test_1.so): New targets. + (copy_test_2_pic.o, copy_test_2.so): New targets. + * testsuite/Makefile.in: Rebuild. + + * script-sections.cc (Script_sections::place_orphan): Initialize + local variable exact. + +2008-06-13 David Edelsohn <edelsohn@gnu.org> + + * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC. + +2008-06-12 David Edelsohn <edelsohn@gnu.org> + David S. Miller <davem@davemloft.net> + + * powerpc.cc: New file. + * Makefile.am (TARGETSOURCES): Add powerpc.cc + (ALL_TARGETOBJS): Add powerpc.$(OBJEXT) + * configure.tgt: Add entries for powerpc-* and powerpc64-*. + * Makefile.in: Rebuild. + +2008-06-09 Ian Lance Taylor <iant@google.com> + + * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and + <exception>. + (throwing, orig_terminate): New static variables. + (terminate_handler): New static function. + (t2): Set terminate handler. + +2008-06-05 Kris Van Hees <kris.van.hees@oracle.com> + + PR 6584 + * binary.cc (Binary_to_elf::sized_convert): Fix .data + alignment. + +2008-05-30 Cary Coutant <ccoutant@google.com> + + * archive.cc (Archive::include_all_members) Correct to step + over symbol table and extended name table in thin archives. + +2008-05-29 Kris Van Hees <kris.van.hees@oracle.com> + + PR 6407 + * target-reloc.h (relocate_for_relocatable): Fix new_offset + calculation. + +2008-05-28 Caleb Howe <cshowe@google.com> + + * reduced_debug_output.cc: New file. + * reduced_debug_output.h: New file. + * options.h (class General_options): Add --strip-debug-non-line. + * options.cc (General_options::finalize): Add strip_debug_non_line + to the strip heirarchy. + * layout.h (class Layout): Add debug_abbrev_ and debug_info_ + fields. + * layout.cc: Include "reduced_debug_output.h". + (Layout::Layout): Initialize new fields. + (line_only_debug_sections): New static array. + (is_lines_only_debug_sections): New static inline function. + (Layout::include_section): Handle --strip-debug-non-line. + (Layout::make_output_section): If --strip-debug-non-line, build + new output sections for .debug_abbrev and .debug_info. + * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace + gold. Warn about possible overflow. + (read_signed_LEB_128): Likewise. + * dwarf_reader.h: (read_unsigned_LEB_128): Declare. + (read_signed_LEB_128): Declare. + * Makefile.am (CCFILES): Add reduced_debug_output.cc. + (HFILES): Add reduced_debug_output.h. + * Makefile.in: Rebuild. + +2008-05-21 Ian Lance Taylor <iant@google.com> + + * mapfile.cc: New file. + * mapfile.h: New file. + * options.h (class General_options): Add -M/--print-map and -Map. + * options.cc (General_options::finalize): Make -M equivalent to + -Map -. + * main.cc: Include <cstdio> and "mapfile.h". + (main): Open mapfile if requested. + * gold.cc (class Middle_runner): Add mapfile_ field. Update + constructor. Change caller. + (queue_initial_tasks): Add mapfile parameter. Change caller. + (queue_middle_tasks): Likewise. + * gold.h (queue_initial_tasks, queue_middle_tasks): Update + declarations. + * archive.cc: Include "mapfile.h". + (Archive::add_symbols): Add mapfile parameter. Change all + callers. Pass mapfile, symbol, and reason to include_member. + (Archive::include_all_members): Add mapfile parameter. Change all + callers. + (Archive::include_member): Add mapfile, sym, and why parameters. + Change all callers. Report inclusion to map file. + * archive.h: Include "fileread.h". + (class Archive): Update declarations. + (Archive::file): New const method. + (class Add_archive_symbols): Add mapfile_ field. Update + constructor. Change all callers. + * readsyms.h (class Read_symbols): Likewise. + (class Finish_group): Likewise. + (class Read_script): Likewise. + * common.cc: Include "mapfile.h". + (Symbol_table::allocate_commons): Add mapfile parameter. Change + all callers. + (Symbol_table::do_allocate_commons): Likewise. + (Symbol_table::do_allocate_commons_list): Likewise. Report common + symbol allocation to mapfile. + * common.h (class Allocate_commons_task): Add mapfile_ field. + Update constructor. Change all callers. + * symtab.h (class Symbol_table): Update declarations. + * layout.cc: Include "mapfile.h". + (Layout_task_runner::run): Print information to mapfile. + (Layout::create_gold_note): Change Output_data_fixed_space to + Output_data_zero_fill. + (Layout::create_build_id): Likewise. + (Layout::print_to_mapfile): New function. + * layout.h (class Layout_task_runner): Add mapfile_ field. Update + constructor. Change caller. + (class Layout): Declare print_to_mapfile. + * output.cc (Output_section::Input_section::print_to_mapfile): New + function. + (Output_section::add_input_section): If producing a map, always + add to input_sections_ list. + (Output_section::do_print_to_mapfile): New function. + (Output_segment::print_sections_to_mapfile): New function. + (Output_segment::print_section_list_to_mapfile): New function. + * output.h: Include "mapfile.h". + (Output_data::print_to_mapfile): New function. + (Output_data::do_print_to_mapfile): New virtual function. + (Output_segment_headers::do_print_to_mapfile): New function. + (Output_file_header::do_print_to_mapfile): New function. + (Output_data_const::do_print_to_mapfile): New function. + (class Output_data_const_buffer): Add map_name_ field. Update + constructor. Change all callers. Add do_print_to_mapfile + function. + (class Output_data_fixed_space): Likewise. + (class Output_data_space): Likewise. + (class Output_data_zero_fill): New class. + (Output_data_strtab::do_print_to_mapfile): New function. + (Output_data_reloc_base::do_print_to_mapfile): New function. + (Output_relocatable_relocs::do_print_to_mapfile): New function. + (Output_data_group::do_print_to_mapfile): New function. + (Output_data_got::do_print_to_mapfile): New function. + (Output_data_dynamic::do_print_to_mapfile): New function. + (Output_symtab_xindex::do_print_to_mapfile): New function. + (class Output_section): Declare do_print_to_mapflie. Declare + print_to_mapfile in Input_section. + (class Output_segment): Declare new functions. + * object.h (Sized_relobj::symbol_count): New function. + * script-sections.cc + (Output_section_element_dot_assignment::set_section_addresses): + Change Output_data_fixed_space to Output_data_zero_fill. + (Output_data_expression::do_print_to_mapfile): New function. + * script.cc (read_input_script): Add mapfile parameter. Change + all callers. + * script.h (read_input_script): Update declaration. + * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function. + (Eh_frame::do_print_to_mapfile): New function. + * merge.h (Output_merge_data::do_print_to_mapfile): New function. + (Output_merge_string::do_print_to_mapfile): New function. + * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New + function. + * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New + function. + * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New + function. + * Makefile.am (CCFILES): Add mapfile.cc. + (HFILES): Add mapfile.h. + * Makefile.in: Rebuild. + +2008-05-19 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Add -z relro. + * layout.cc (Layout::Layout): Initialize relro_segment_. + (Layout::add_output_section_data): Return the output section. + (Layout::make_output_section): Rcognize relro sections and mark + them appropriately. + (Layout::attach_allocated_section_to_segment): Put relro sections + in a PT_GNU_RELRO segment. + (Layout::create_initial_dynamic_sections): Mark the .dynamic + section as relro. + (Layout::segment_precedes): Sort PT_GNU_RELRO segments after + PT_TLS segments. + (Layout::linkonce_mapping): Map d.rel.ro.local to + .data.rel.ro.local. + (Layout::output_section_name): Us .data.rel.ro.local for any + section which begins with that. + * layout.h (class Layout): Update add_output_section_data + declaration. Add relro_segment_ field. + * output.cc (Output_section::Output_section): Initialize is_relro_ + and is_relro_local_ fields. + (Output_segment::add_output_section): Group relro sections. + (Output_segment::is_first_section_relro): New function. + (Output_segment::maximum_alignment): If there is a relro section, + align the segment to the common page size. + (Output_segment::set_section_addresses): Track whether we are + looking at relro sections. If the last section is a relro + section, align to the common page size. + (Output_segment::set_section_list_addresses): Add in_relro + parameter. Change all callers. Align to the page size when + moving from relro to non-relro section. + (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO + segment. + * output.h (class Output_section): Add is_relro_ and + is_relro_local_ fields. + (Output_section::is_relro): New function. + (Output_section::set_is_relro): New function. + (Output_section::is_relro_local): New function. + (Output_section::set_is_relro_local): New function. + (class Output_segment): Update declarations. + * i386.cc (Target_i386::got_section): Mark .got section as relro. + * sparc.cc (Target_sparc::got_section): Likewise. + * x86_64.cc (Target_x86_64::got_section): Likewise. + * testsuite/relro_test_main.cc: New file. + * testsuite/relro_test.cc: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add relro_test. + (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables. + (relro_test_LDFLAGS, relro_test_LDADD): New variables. + (relro_test.so, relro_test_pic.o): New targets. + * testsuite/Makefile.in: Rebuild. + +2008-05-16 Ian Lance Taylor <iant@google.com> + + * output.cc (Output_segment::add_output_section): Remove front + parameter. + * output.h (class Output_segment): Remove + add_initial_output_section and overloaded add_output_section. + Update declaration of remaining add_output_section. + * layout.cc (Layout::create_interp): Call add_output_section + rather than add_initial_output_section. + (Layout::finish_dynamic_section): Likewise. + + * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type + for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we + know the dynamic type. + * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_ + field. Initialize it in constructor. + (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS + block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD. + Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block + reloc. + + * output.cc (Output_reloc::get_address): Change return type to + Elf_Addr. + * output.h (class Output_reloc): Update get_address declaration. + * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types + for section addresses. + +2008-05-09 Ian Lance Taylor <iant@google.com> + + PR 6493 + * gold.cc (gold_nomem): Use return value of write. + +2008-05-08 Ian Lance Taylor <iant@google.com> + + * symtab.c (Symbol::init_base_output_data): Add version + parameter. Change all callers. + (Symbol::init_base_output_segment): Likewise. + (Symbol::init_base_constant): Likewise. + (Symbol::init_base_undefined): Likewise. + (Sized_symbol::init_output_data): Likewise. + (Sized_symbol::init_output_segment): Likewise. + (Sized_symbol::init_constant): Likewise. + (Sized_symbol::init_undefined): Likewise. + (Symbol_table::do_define_in_output_data): If the new symbol has a + version, mark it as the default. + (Symbol_table::do_define_in_output_segment): Likewise. + (Symbol_table::do_define_as_constant): Likewise. + * symtab.h (class Symbol): Update declarations. + (class Sized_symbol): Likewise. + * resolve.cc (Symbol::override_version): New function. + (Symbol::override_base): Call override_version. + (Symbol::override_base_with_special): Likewise. + * testsuite/ver_script_8.script: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8. + (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define. + (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define. + (ver_test_8_1.so, ver_test_8_2.so): New targets. + +2008-05-06 Ian Lance Taylor <iant@google.com> + + PR 6049 + * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end + functions. + (class General_options): Remove existing --undefined, and add + --no-undefined instead. Add new --undefined as synonym for -u. + * archive.cc (Archive::add_symbols): Check whether symbol was + named with -u. + * gold.cc (queue_middle_tasks): Add -u symbols to symbol table. + * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change + all uses. Add IS_UNDEFINED. Update declarations to split + different versions of init_base. Declare init_base_undefined. + (Symbol::is_defined): Handle IS_UNDEFINED. + (Symbol::is_undefined): Likewise. + (Symbol::is_weak_undefined): Call is_undefined. + (Symbol::is_absolute): Handle IS_CONSTANT. + (class Sized_symbol): Update declarations to split different + versions of init. Declare init_undefined. + (class Symbol_table): Declare new functions. + * symtab.cc (Symbol::init_base_object): Rename from init_base. + Change all callers. + (Symbol::init_base_output_data): Likewise. + (Symbol::init_base_output_segment): Likewise. + (Symbol::init_base_constant): Likewise. + (Symbol::init_base_undefined): New function. + (Sized_symbol::init_object): Rename from init. Change all + callers. + (Sized_symbol::init_output_data): Likewise. + (Sized_symbol::init_output_segment): Likewise. + (Sized_symbol::init_constant): Likewise. + (Sized_symbol::init_undefined): New function. + (Symbol_table::add_undefined_symbols_from_command_line): New + function. + (Symbol_table::do_add_undefined_symbols_from_command_line): New + function. + (Symbol::final_value_is_known): Handle IS_UNDEFINED. + (Symbol::output_section): Likewise. + (Symbol::set_output_section): Likewise. + (Symbol_table::sized_finalize_symbol): Likewise. + (Symbol_table::sized_write_globals): Likewise. + * resolve.cc (Symbol_table::should_override): Likewise. + (Symbol::override_base_with_special): Likewise. + + * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected + symbol, change it to have default visibility. + * testsuite/protected_1.cc: New file. + * testsuite/protected_2.cc: New file. + * testsuite/protected_3.cc: New file. + * testsuite/protected_main_1.cc: New file. + * testsuite/protected_main_2.cc: New file. + * testsuite/protected_main_3.cc: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add protected_1. + (protected_1_SOURCES, protected_1_DEPENDENCIES): Define. + (protected_1_LDFLAGS, protected_1_LDADD): Define. + (protected_1.so): New target. + (protected_1_pic.o, protected_2_pic.o): New targets. + (protected_3_pic.o): New target. + (check_PROGRAMS): Add protected_2. + (protected_2_SOURCES, protected_2_DEPENDENCIES): Define. + (protected_2_LDFLAGS, protected_2_LDADD): Define. + * testsuite/Makefile.in: Rebuild. + + * options.h (DEFINE_var): Add set_user_set_##varname__. + (DEFINE_bool_alias): New macro. + (class General_options): Define -Bstatic using DEFINE_bool_alias + rather than DEFINE_special. Add --undefined as an alias for -z + defs. + * options.cc (General_options::parse_Bstatic): Remove. + + * options.h (class General_options): Add --fatal-warnings. + * main.cc (main): Implement --fatal-warnings. + * errors.h (Errors::warning_count): New function. + + * options.h (class General_options): Add -Bsymbolic-functions. + * symtab.h (Symbol::is_preemptible): Check for + -Bsymbolic-functions. + +2008-05-05 Ian Lance Taylor <iant@google.com> + + * options.h (DEFINE_bool): For DASH_Z, create the negative option + as noVARNAME rather than no-VARNAME. + (class General_options): Add option -z combreloc. + * output.h (class Output_reloc) [SHT_REL]: Declare compare and + get_address. + (Output_reloc::sort_before) [SHT_REL]: New function. + (Output_reloc::sort_before) [SHT_RELA]: New function. + (class Output_data_reloc_base): Add sort_relocs_ field. Define + Sort_relocs_comparison. + (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs + parameter. Change all callers. + (Output_data_reloc::Output_data_reloc) [both versions]: Add + sort_relocs parameter. Change all callers. + * output.cc (Output_reloc::get_address): New function, broken out + of write_rel. + (Output_reloc::write_rel): Call it. + (Output_reloc::compare): New function. + (Output_data_reloc_base::do_write): Optionally sort relocs. + + * configure.ac: If targ_extra_obj is set, link it in. + * configure.tgt: Initialize all variables. + (x86_64*): Set targ_extra_obj and targ_extra_size. + * configure: Rebuild. + + * object.cc (Sized_relobj::include_section_group): Adjust section + indexes read from group data. Build vector to pass to + layout_group. + * layout.cc (Layout::layout_group): Add flags and shndxes + parameters. Remove contents parameter. Change caller. Update + explicit instantiations. + * layout.h (class Layout): Update layout_group declaration. + * output.cc (Output_data_group::Output_data_group): Add flags and + input_shndxes parameters. Remove contents parameter. Change + caller. + (Output_data_group::do_write): Change input_sections_ to + input_shndxes_. + * output.h (class Output_data_group): Update constructor + declaration. Rename input_sections_ to input_shndxes_. + * testsuite/many_sections_test.cc: Add template. + +2008-04-30 Cary Coutant <ccoutant@google.com> + + * target-reloc.h (relocate_section): Fix dead-pointer bug. + + * layout.cc (Layout::include_section): Refactored check for debug + info section. + (Layout::add_comdat): Add new parameters. Change type + of signature parameter. Add object and shndx to signatures table. + (Layout::find_kept_object): New function. + * layout.h: Include <cstring>. + (Layout::is_debug_info_section): New function. + (Layout::add_comdat): Add new parameters. + (Layout::find_kept_object): New function. + (Layout::Kept_section): New struct. + (Layout::Signatures): Change type of map range. + * object.cc (Relobj::output_section_address): New function. + (Sized_relobj::include_section_group): Add new parameters. Change + calls to Layout::add_comdat. Change to build table of kept comdat + groups and table mapping discarded sections to kept sections. + (Sized_relobj::include_linkonce_section): Likewise. Add new parameter. + (Sized_relobj::do_layout): Change calls to include_section_group and + include_linkonce_section. + (Sized_relobj::do_finalize_local_symbols): Do not set local symbol + value to zero when section is discarded. + (Sized_relobj::map_to_kept_section): New function. + * object.h (Relobj::output_section_address): New function. + (Relobj::Comdat_group): New type. + (Relobj::find_comdat_group): New function. + (Relobj::Comdat_group_table): New type. + (Relobj::Kept_comdat_section): New type. + (Relobj::Kept_comdat_section_table): New type. + (Relobj::add_comdat_group): New function. + (Relobj::set_kept_comdat_section): New function. + (Relobj::get_kept_comdat_section): New function. + (Relobj::comdat_groups_): New field. + (Relobj::kept_comdat_sections_): New field. + (Symbol_value::input_value): Update comment. + (Sized_relobj::map_to_kept_section) New function. + (Sized_relobj::include_linkonce_section): Add new parameter. + * target-reloc.h (Comdat_behavior): New type. + (get_comdat_behavior): New function. + (relocate_section): Add code to map a discarded section to the + corresponding kept section when applying a relocation. + +2008-04-30 Craig Silverstein <csilvers@google.com> + + * dwarf_reader.cc (next_generation_count): New static var. + (Addr2line_cache_entry): New struct. + (addr2line_cache): New static var. + (Dwarf_line_info::one_addr2line): Added caching. + (Dwarf_line_info::clear_addr2line_cache): New function. + * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add + cache-size parameter. + (Dwarf_line_info::one_addr2line_cache): New function. + * symtab.cc (Symbol_table::detect_odr_violations): Pass + new cache-size argument to one_addr2line(), and clear cache. + +2008-04-28 Cary Coutant <ccoutant@google.com> + + * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and + R_386_PC8 relocations. + +2008-04-23 Ian Lance Taylor <iant@google.com> + + * object.cc (Sized_relobj::include_section_group): Check for + invalid section group. + + * object.cc (make_elf_object): Correct test for 64-bit ELF file + header size. + + * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather + than read for file header. + * archive.cc (Archive::include_member): Likewise. + +2008-04-23 Paolo Bonzini <bonzini@gnu.org> + + * aclocal.m4: Regenerate. + * configure: Regenerate. + +2008-04-19 Ian Lance Taylor <iant@google.com> + + * version.cc (version_string): Bump to 1.6. + + * testsuite/Makefile.am (many_sections_r_test): New target. + (many_sections_r_test_SOURCES): Remove. + (many_sections_r_test_DEPENDENCIES): Remove. + (many_sections_r_test_LDFLAGS): Remove. + (many_sections_r_test_LDADD): Remove. + + * object.cc (Sized_relobj::do_add_symbols): Always pass + local_symbol_count_ to add_from_relobj. + + * testsuite/Makefile.am (many_sections_check.h): Only check one in + every thousand variables. + * testsuite/Makefile.in: Rebuild. + + * object.cc (Xindex::initialize_symtab_xindex): New function. + (Xindex::read_symtab_xindex): New function. + (Xindex::sym_xindex_to_shndx): New function. + (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if + available. + (Sized_relobj::do_initialize_xindex): New function. + (Sized_relobj::do_read_symbols): Adjust section links. + (Sized_relobj::symbol_section_and_value): Add is_ordinary + parameter. Change all callers. + (Sized_relobj::include_section_group): Adjust section links and + symbol section indexes. + (Sized_relobj::do_layout): Adjust section links. + (Sized_relobj::do_count_local_symbols): Adjust section links and + symbol section indexes. + (Sized_relobj::do_finalize_local_symbols): Distinguish between + ordinary and special symbols. + (Sized_relobj::write_local_symbols): Add symtab_xindex and + dynsym_xindex parameters. Change all callers. Adjust section + links. Use SHN_XINDEX when needed. + (Sized_relobj::get_symbol_location_info): Adjust section links. + Don't get fooled by special symbols. + * object.h (class Xindex): Define. + (class Object): Add xindex_ parameter. Declare virtual functoin + do_initialize_xindex. + (Object::adjust_sym_shndx): New function. + (Object::set_xindex): New protected function. + (class Symbol_value): Add is_ordinary_shndx_ field. + (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_. + (Symbol_value::value): Assert ordinary section. + (Symbol_value::initialize_input_to_output_map): Likewise. + (Symbol_value::set_input_shndx): Add is_ordinary parameter. + Change all callers. + (Symbol_value::input_shndx): Add is_ordinary parameter. Change + all callers. + (class Sized_relobj): Update declarations. + (Sized_relobj::local_symbol_input_shndx): Add is_ordinary + parameter. Change all callers. + (Sized_relobj::adjust_shndx): New function. + * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_ + field. + (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx + parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section + for SHT_DYNSYM section if available. Set dynsym_shndx_ field. + (Sized_dynobj::read_dynsym_section): Adjust section links. + (Sized_dynobj::read_dynamic): Likewise. + (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust + section links. + (Sized_dynobj::do_initialize_xindex): New function. + * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare + do_initialize_xindex. + (Sized_dynobj::adjust_shndx): New function. + * layout.cc (Layout::Layout): Initialize symtab_xindex_ and + dynsym_xindex_ fields. + (Layout::finalize): Add a call to set_section_indexes before + creating the symtab sections. + (Layout::set_section_indexes): Don't do anything if the section + already has a section index. + (Layout::create_symtab_sections): Add shnum parameter. Change + caller. Create .symtab_shndx section if needed. + (Layout::create_shdrs): Add shstrtab_section parameter. Change + caller. + (Layout::allocated_output_section_count): New function. + (Layout::create_dynamic_symtab): Create .dynsym_shndx section if + needed. + * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_ + fields. Update declarations. + (Layout::symtab_xindex): New function. + (Layout::dynsym_xindex): New function. + (class Write_symbols_task): Add layout_ field. + (Write_symbols_task::Write_symbols_task): Add layout parameter. + Change caller. + * output.cc (Output_section_headers::Output_section_headers): Add + shstrtab_section parameter. Change all callers. + (Output_section_headers::do_sized_write): Store overflow values + for section count and section string table section index in + section header zero. + (Output_file_header::do_sized_write): Check for overflow of + section count and section string table section index. + (Output_symtab_xindex::do_write): New function. + (Output_symtab_xindex::endian_do_write): New function. + * output.h (class Output_section_headers): Add shstrtab_section_. + Update declarations. + (class Output_symtab_xindex): Define. + (Output_section::has_out_shndx): New function. + * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_ + field. + (Symbol::init_base): Add st_shndx and is_ordinary parameters. + Change all callers. + (Sized_symbol::init): Likewise. + (Symbol::output_section): Check for ordinary symbol. + (Symbol_table::add_from_object): Remove orig_sym parameter. Add + st_shndx, is_ordinary, and orig_st_shndx parameters. Change all + callers. + (Symbol_table::add_from_relobj): Add symndx_offset parameter. + Change all callers. Simplify handling of symbols from sections + not included in the link. + (Symbol_table::add_from_dynobj): Handle ordinary symbol + distinction. + (Weak_alias_sorter::operator()): Assert that symbols are + ordinary. + (Symbol_table::sized_finalize_symbol): Handle ordinary symbol + distinction. + (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex + parameters. Change all callers. + (Symbol_table::sized_write_globals): Likewise. Handle ordinary + symbol distinction. Use SHN_XINDEX when needed. + (Symbol_table::write_section_symbol): Add symtab_xindex + parameter. Change all callers. + (Symbol_table::sized_write_section_symbol): Likewise. Use + SHN_XINDEX when needed. + * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update + declarations. + (Symbol::shndx): Add is_ordinary parameter. Change all callers. + (Symbol::is_defined): Check is_ordinary. + (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise. + (Symbol::is_absolute, Symbol::is_common): Likewise. + (class Sized_symbol): Update declarations. + (class Symbol_table): Update declarations. + * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary + parameters. Change all callers. + (Sized_symbol::override): Likewise. + (Symbol_table::override): Likewise. + (symbol_to_bits): Add is_ordinary parameter. Change all callers. + (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx, + is_ordinary, and orig_st_shndx parameters. Change all callers. + * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol + to be in an ordinary section. + * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add + object and is_ordinary parameters. Change all callers. + (Sized_dwarf_line_info::read_relocs): Add object parameter. + Change all callers. Don't add undefined or non-ordinary symbols + to reloc_map_. + (Sized_dwarf_line_info::read_line_mappings): Add object parameter. + Change all callers. + * dwarf_reader.h (class Sized_dwarf_line_info): Update + declarations. + * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol. + * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links. + (Sized_relobj::relocate_sections): Likewise. + * target-reloc.h (scan_relocs): Adjust section symbol index. + (scan_relocatable_relocs): Likewise. + * i386.cc (Scan::local): Check for ordinary symbols. + * sparc.cc (Scan::local): Likewise. + * x86_64.cc (Scan::local): Likewise. + * testsuite/binary_unittest.cc (Sized_binary_test): Update calls + to symbol_section_and_value. + * testsuite/many_sections_test.cc: New file. + * testsuite/Makefile.am (BUILT_SOURCES): Define. + (check_PROGRAMS): Add many_sections_test. + (many_sections_test_SOURCES): Define. + (many_sections_test_DEPENDENCIES): Define. + (many_sections_test_LDFLAGS): Define. + (BUILT_SOURCES): Add many_sections_define.h. + (many_sections_define.h): New target. + (BUILT_SOURCES): Add many_sections_check.h. + (many_sections_check.h): New target. + (check_PROGRAMS): Add many_sections_r_test. + (many_sections_r_test_SOURCES): Define. + (many_sections_r_test_DEPENDENCIES): Define. + (many_sections_r_test_LDFLAGS): Define. + (many_sections_r_test_LDADD): Define. + (many_sections_r_test.o): New target. + * testsuite/Makefile.in: Rebuild. + +2008-04-17 Cary Coutant <ccoutant@google.com> + + * errors.cc (Errors::info): New function. + (gold_info): New function. + * errors.h (Errors::info): New function. + * gold.h (gold_info): New function. + * object.cc (Input_objects::add_object): Print trace output. + * options.cc (options::parse_set): New function. + (General_options::parse_wrap): Deleted. + (General_options::General_options): Deleted initializer. + * options.h (options::String_set): New typedef. + (options::parse_set): New function. + (DEFINE_set): New macro. + (General_options::wrap): Changed to use DEFINE_set. Changed + callers of any_wrap_symbols and is_wrap_symbol. + (General_options::trace, General_options::trace_symbol): + New options. + (General_options::any_wrap_symbols, General_options::is_wrap_symbol) + (General_options::wrap_symbols_): Deleted. + * symtab.cc (Symbol_table::add_from_object): Print trace output. + +2008-04-17 David S. Miller <davem@davemloft.net> + + * options.cc (General_options::parse_V): New function. + * options.h: Add entries for -V and -Qy. + +2008-04-17 Ian Lance Taylor <iant@google.com> + + * common.cc (Symbol_table::allocate_commons): Remove options + parameter. Change caller. + (Symbol_table::do_allocate_commons): Remove options parameter. + Change caller. Just call do_allocate_commons_list twice. + (Symbol_table::do_allocate_commons_list): New function, broken out + of do_allocate_commons. + * common.h (class Allocate_commons_task): Remove options_ field. + Update constructor. + * symtab.cc (Symbol_table::Symbol_table): Initialize + tls_commons_. + (Symbol_table::add_from_object): Put TLS common symbols on + tls_commons_ list. + (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols + which are IN_OUTPUT_DATA. + * symtab.h (class Symbol_table): Add tls_commons_ field. Update + allocate_commons and do_allocate_commons declarations. Declare + do_allocate_commons_list. + * gold.cc (queue_middle_tasks): Update creation of + Allocate_commons_task to not pass options. + * testsuite/Makefile.am (INCLUDES): Add -I.. . + (TLS_TEST_C_FLAGS): New variable. + (tls_test_c_pic.o): New target. + (tls_test_shared.so): Link in tls_test_c_pic.o. + (tls_test_c_pic_ie.o): New target. + (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o. + (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o. + (tls_test_c.o): New target. + (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o. + (tls_pic_test_LDADD): Likewise. + (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o. + (tls_shared_gd_to_ie_test_LDADD): Likewise. + (tls_test_c_gnu2.o): New target. + (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add + tls_test_c_gnu2.o. + (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise. + (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o. + (tls_test_shared_nonpic.so): Link in tls_test_c.o. + * testsuite/tls_test.cc: Include "config.h". + (t_last): Call t11_last. + * testsuite/tls_test.h (t11, t11_last): Declare. + * testsuite/tls_test_c.c: New file. + * testsuite/tls_test_main.cc (thread_routine): Call t11. + * configure.ac: Check for OpenMP support. + * configure, config.in, Makefile.in: Rebuild. + * testsuite/Makefile.in: Rebuild. + +2008-04-16 Cary Coutant <ccoutant@google.com> + + * i386.cc (Target_i386::define_tls_base_symbol): New function. + (Target_i386::tls_base_symbol_defined_): New field. + (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol. + (Target_i386::Scan::global): Likewise. + * symtab.cc (sized_finalize_symbol): Add check for TLS symbol. + * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function. + (Target_x86_64::tls_base_symbol_defined_): New field. + (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol. + (Target_x86_64::Scan::global): Likewise. + +2008-04-16 Cary Coutant <ccoutant@google.com> + + * symtab.h (Symbol::is_strong_undefined): Removed unused function. + (Symbol::needs_plt_entry): Allow weak undefined symbols. + (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when + building shared libraries. + * testsuite/Makefile.am (weak_undef_nonpic_test): New target. + (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o) + (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets. + * testsuite/Makefile.in: Rebuild. + * testsuite/weak_undef.h: New file. + * testsuite/weak_undef_file1.cc: Add extra test cases. + * testsuite/weak_undef_file2.cc: Likewise. + * testsuite/weak_undef_test.cc: Likewise. + +2008-04-16 David S. Miller <davem@davemloft.net> + + * sparc.cc (Target_sparc::Scan): Change from struct to class. + Add issued_non_pic_error_ field. Declare check_non_pic. + (Target_sparc::Scan::check_non_pic): New function. + (Target_sparc::Scan::local): Call check_non_pic as appropriate. + (Target_sparc::Scan::global): Likewise. + + * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64. + * configure: Rebuild. + + * options.h (DEFINE_enable): New macro. + (new_dtags): New enable option. + (initfirst, interpose, loadfltr, nodefaultlib, + nodelete, nodlopen, nodump): New -z options. + * layout.cc (Layout:finish_dynamic_section): If new + dtags enabled, emit DT_RUNPATH. Also, emit a + DT_FLAGS_1 containing any specified -z flags. + +2008-04-16 Ian Lance Taylor <iant@google.com> + + * copy-relocs.cc: New file. + * copy-relocs.h: New file. + * reloc.cc: Remove Copy_relocs code. + * reloc.h: Likewise. + * reloc-types.h (struct Reloc_types) [both versions]: Add + get_reloc_addend_noerror. + * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add + variants of add_global which take an addend which must be zero. + * i386.cc: Include "copy-relocs.h". + (class Target_i386): Change type of copy_relocs_ to variable, + update initializer. + (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class. + Change all callers. + (Target_i386::do_finalize_sections): Change handling of + copy_relocs_. + * sparc.cc: Include "copy-relocs.h". + (class Target_sparc): Change type of copy_relocs_ to variable, + update initializer. + (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class. + Change all callers. + (Target_sparc::do_finalize_sections): Change handling of + copy_relocs_. + * x86_64.cc: Include "copy-relocs.h". + (class Target_x86_64): Change type of copy_relocs_ to variable, + update initializer. + (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs + class. Change all callers. + (Target_x86_64::do_finalize_sections): Change handling of + copy_relocs_. + * Makefile.am (CCFILES): Add copy-relocs.cc. + (HFILES): Add copy-relocs.h. + + * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild. + + * testsuite/script_test_4.sh: Permit leading zeroes. + +2008-04-15 Ian Lance Taylor <iant@google.com> + + * script-sections.cc (Script_sections::create_segments): Use + header_size_adjustment even when there is enough room for the + headers. + * testsuite/script_test_4.sh: New file. + * testsuite/script_test_4.t: New file. + * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh. + (check_DATA): Add script_test_4.stdout. + (MOSTLYCLEANFILES): Likewise. + (script_test_4): New target. + (script_test_4.stdout): New target. + * testsuite/Makefile.in: Rebuild. + + * sparc.cc: Add definitions for Output_data_plt_sparc class + constants. + +2008-04-14 David S. Miller <davem@davemloft.net> + + * sparc.cc: New file. + * Makefile.am (TARGETSOURCES): Add sparc.cc + (ALL_TARGETOBJS): Add sparc.$(OBJEXT) + * configure.tgt: Document targ_extra_size and + targ_extra_big_endian. Add entries for sparc-* and + sparc64-*. + * configure.ac: Handle targ_extra_size and + targ_extra_big_endian. + * Makefile.in: Rebuild. + * configure: Likewise. + * po/POTFILES.in: Likewise. + * po/gold.pot: Likewise. + +2008-04-14 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::Layout): Initialize sections_are_attached_. + (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR + in the name/type/flags to section mapping. Don't call + allocate_output_section. + (Layout::choose_output_section): Change parameter from adjust_name + to is_input_section. Don't permit input sections after sections + are attached to segments. Don't call allocate_output_section. + (Layout::layout_eh_frame): Call update_flags_for_input_section, + not write_enable_output_section. + (Layout::make_output_section): Don't push to + unattached_section_list_ nor call attach_to_segment. Call + attach_section_to_segment if sections are attached. + (Layout::attach_sections_to_segments): New function. + (Layout::attach_section_to_segment): New function. + (Layout::attach_allocated_section_to_segment): Rename from + attach_to_segment. Remove flags parameter. + (Layout::allocate_output_section): Remove function. + (Layout::write_enable_output_section): Remove function. + * layout.h (class Layout): Update for above changes. Add new + field sections_are_attached_. + * output.h (Output_section::update_flags_for_input_section): New + function. + * output.cc (Output_section::add_input_section): Call + update_flags_for_input_section. + * gold.cc (queue_middle_tasks): Call attach_sections_to_segments. + +2008-04-11 Cary Coutant <ccoutant@google.com> + + * i386.cc (Target_i386::got_mod_index_entry): Restore code previously + thought unnecessary. + * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise. + +2008-04-11 Ian Lance Taylor <iant@google.com> + + * output.h (class Output_section_data): Remove inline definition + of set_addralign. + * output.cc (Output_section_data::set_addralign): New function. + +2008-04-11 Cary Coutant <ccoutant@google.com> + + Add support for TLS descriptors for i386 and x86_64. + * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function. + (Target_i386::Relocate::tls_desc_gd_to_le): New function. + (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and + GOT_TYPE_TLS_DESC. + (Target_i386::got_mod_index_entry): Remove unnecessary code. + (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and + R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec + relocations. + (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation. + Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations; + Fix problem with initial-exec relocations. + (Target_i386::Relocate::relocate_tls): Likewise. + (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE + relaxation. + * output.cc (Output_data_dynamic::Dynamic_entry::write): Add + support for section-plus-offset dynamic table entries. + * output.h (Output_data_dynamic::add_section_plus_offset): New function. + (Output_data_dynamic::Dynamic_entry): Add support for + section-plus-offset dynamic table entries. + (Output_data_dynamic::Classification): Likewise. + (Output_data_dynamic::classification_): Renamed offset_. + * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function. + (Target_x86_64::Relocate::tls_desc_gd_to_le): New function. + (Target_x86_64::make_plt_section): New function. + (Target_x86_64::reserve_tlsdesc_entries): New function. + (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter. + (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function. + (Output_data_plt_x86_64::has_tlsdesc_entry): New function. + (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function. + (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function. + (Output_data_plt_x86_64::tlsdesc_plt_entry): New field. + (Output_data_plt_x86_64::set_final_data_size): Move out of line; + add extra PLT entry for TLS descriptors. + (Output_data_plt_x86_64::got_): New field. + (Output_data_plt_x86_64::tlsdesc_got_offset_): New field. + (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new + fields. + (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS + descriptors. + (Target_x86_64::make_plt_entry): Factor out make_plt_section. + (Target_x86_64::got_mod_index_entry): Remove unnecessary code. + (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and + R_386_TLS_DESC_CALL relocations. + (Target_x86_64::Scan::global): Likewise. + (Target_x86_64::do_finalize_sections): Add dynamic table entries + for TLS descriptors. + (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation. + Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. + (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with + GD-to-IE relaxation. + * configure.ac: Export new conditional variables TLS_GNU2_DIALECT + and TLS_DESCRIPTORS. + * Makefile.in: Rebuild. + * configure: Rebuild. + * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target. + (tls_test_shared2.so): New target. + (tls_shared_gd_to_ie_test_SOURCES): New variable. + (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable. + (tls_shared_gd_to_ie_test_LDFLAGS): New variable. + (tls_shared_gd_to_ie_test_LDADD): New variable. + (tls_shared_gnu2_gd_to_ie_test): New target. + (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so): + New targets. + (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable. + (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable. + (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable. + (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable. + (tls_shared_gnu2_test): New target. + (tls_test_gnu2_shared.so): New target. + (tls_shared_gnu2_test_SOURCES): New variable. + (tls_shared_gnu2_test_DEPENDENCIES): New variable. + (tls_shared_gnu2_test_LDFLAGS): New variable. + (tls_shared_gnu2_test_LDADD): New variable. + * testsuite/Makefile.in: Rebuild. + * testsuite/Makefile. + +2008-04-11 Ian Lance Taylor <iant@google.com> + + * testsuite/Makefile.am (justsyms_2r.o): Add dependency on + justsyms.t. + * testsuite/Makefile.in: Rebuild. + + * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes + long. + * testsuite/script_test_2.cc (main): Adjust test. + +2008-04-11 David S. Miller <davem@davemloft.net> + Ian Lance Taylor <iant@google.com> + + * options.h (General_options): Add entries for '-Y' and + '-relax'. + * options.cc (General_options:finalize): If -Y was used, add those + entries to the library path instead of the default "/lib" and + "/usr/lib". + +2008-04-11 David S. Miller <davem@davemloft.net> + + * testsuite/justsyms.t: Start at 0x100. + * testsuite/justsyms_1.cc: Adjust justsyms_string assertion. + * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes + long. + * testsuite/script_test_2.cc: Adjust string and section length + checks. + +2008-04-09 Ian Lance Taylor <iant@google.com> + + PR gold/5996 + * script-sections.cc (Sections_element::allocate_to_segment): Add + orphan parameter. + (Output_section_definition::allocate_to_segment): Likewise. + (Orphan_output_section::allocate_to_segment): Likewise. + (Script_sections::attach_sections_using_phdrs_clause): Don't + propagate non-PT_LOAD segments to orphan sections. + * testsuite/Makefile.am (script_test_3.stdout): Generate using + readelf rather than objdump. + * testsuite/script_test_3.sh: Adjust accordingly. Test that + .interp section and PT_INTERP segment are the same size. + * testsuite/Makefile.in: Rebuild. + + * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak + aliases for symbols defined in the same object. + * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test. + (weak_alias_test_SOURCES): New variable. + (weak_alias_test_DEPENDENCIES): New variable. + (weak_alias_test_LDFLAGS): New variable. + (weak_alias_test_LDADD): New variable. + (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets. + (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets. + (weak_alias_test_3.o): New target. + (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets. + * testsuite/weak_alias_test_main.cc: New file. + * testsuite/weak_alias_test_1.cc: New file. + * testsuite/weak_alias_test_2.cc: New file. + * testsuite/weak_alias_test_3.cc: New file. + +2008-04-08 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Add --noinhibit-exec option. + * main.cc (main): Check --noinhibit-exec. + + * options.h (class General_options): Define --wrap as a special + option. Add wrap_symbols_ field. + (General_options::any_wrap_symbols): New function. + (General_options::is_wrap_symbol): New function. + * options.cc (General_options::parse_wrap): New function. + (General_options::General_options): Initialize wrap_symbols_. + * symtab.cc (Symbol_table::wrap_symbol): New function. + (Symbol_table::add_from_object): Handle --wrap. + * symtab.h (class Symbol_table): Declare wrap_symbol. + * target.h (Target::wrap_char): New function. + (Target::Target_info): Add wrap_char field. + * i386.cc (Target_i386::i386_info): Initialize wrap_char. + * x86_64.cc (Target_x86_64::x86_64_info): Likewise. + * testsuite/testfile.cc (Target_test::test_target_info): + Likewise. + + * errors.cc (Errors::undefined_symbol): Mention symbol version if + there is one. + + * layout.h (class Layout): Add added_eh_frame_data_ field. + * layout.cc (Layout::Layout): Initialize new field. + (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame + output section until we find a section we merged successfully. + * object.cc (Sized_relobj::check_eh_frame_flags): Don't require + that the size be non-zero. + + * merge.cc (Object_merge_map::get_output_offset): Remove inline + qualifier. + +2008-04-08 Craig Silverstein <csilvers@google.com> + + * configure.ac: Export new conditional variable HAVE_ZLIB. + * testsuite/Makefile.am (flagstest_o_specialfile): Condition + on HAVE_ZLIB. + (flagstest_o_specialfile_and_compress_debug_sections): Likewise. + * configure, Makefile.in, testsuite/Makefile.in: Rebuild. + +2008-04-07 Ian Lance Taylor <iant@google.com> + + * version.cc (version_string): Set to "1.5". + + * x86_64.cc (Target_x86_64::Scan): Change from struct to class. + Add issued_non_pic_error_ field. Declare check_non_pic. + (Target_x86_64::Scan::check_non_pic): New function. + (Target_x86_64::Scan::local): Call check_non_pic as appropriate. + (Target_x86_64::Scan::global): Likewise. + + * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add + addend parameter. Change caller. Handle merge sections. + (Output_reloc<SHT_REL>::symbol_value): Change parameter type from + Address to Addend. Don't add in the result of + local_section_offset, pass down the addend and use the returned + value. + * output.h (class Output_reloc<SHT_REL>): Add Addend typedef. + Update declarations of local_section_offset and symbol_value. + * testsuite/two_file_test_1.cc (t18): New function. + * testsuite/two_file_test_2.cc (f18): New function. + * testsuite/two_file_test_main.cc (main): Call t18. + * testsuite/two_file_test.h (t18, f18): Declare. + + * configure.ac: Don't test for objdump, c++filt, or readelf. + * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT + conditionals. + (TEST_READELF): New variable. + (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables. + (check_PROGRAMS): Add two_file_strip_test. + (two_file_strip_test): New target. + (check_PROGRAMS): Add two_file_same_shared_strip_test. + (two_file_same_shared_strip_test_SOURCES): New variable. + (two_file_same_shared_strip_test_DEPENDENCIES): New variable. + (two_file_same_shared_strip_test_LDFLAGS): New variable. + (two_file_same_shared_strip_test_LDADD): New variable. + (two_file_shared_strip.so): New target. + (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF. + (ver_test_5.syms, ver_test_7.syms): Likewise. + (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT. + (strip_test_3.stdout): Use TEST_OBJDUMP. + * configure, Makefile.in, testsuite/Makefile.in: Rebuild. + +2008-04-04 Cary Coutant <ccoutant@google.com> + + * symtab.h (Symbol::is_weak_undefined): New function. + (Symbol::is_strong_undefined): New function. + (Symbol::is_absolute): New function. + (Symbol::needs_plt_entry): Exclude weak undefined symbols. + (Symbol::needs_dynamic_reloc): Exclude weak undefined and + absolute symbols. + * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test. + (weak_undef_test): New target. + * testsuite/Makefile.in: Rebuild. + * testsuite/weak_undef_file1.cc: New file. + * testsuite/weak_undef_file2.cc: New file. + * testsuite/weak_undef_test.cc: New file. + +2008-04-03 Craig Silverstein <csilvers@google.com> + + * compressed_output.h (class Output_compressed_section): Use + unsigned buffer. + * compressed_output.cc (zlib_compress): Use unsigned buffers, + add zlib header. + (zlib_compressed_suffix): Removed. + (Output_compressed_section::set_final_data_size): Use unsigned + buffers. + * testsuite/Makefile.am (flagstest_compress_debug_sections): + Fix linker invocation. + (flagstest_o_specialfile_and_compress_debug_sections): + Likewise. + * testsuite/Makefile.in: Regenerated. + +2008-04-02 David S. Miller <davem@davemloft.net> + + * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog, + Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned. + +2008-04-02 Craig Silverstein <csilvers@google.com> + + * TODO: New file. + +2008-04-02 Ian Lance Taylor <iant@google.com> + + * fileread.cc (File_read::find_view): Add byteshift and vshifted + parameters. Update for new key type to views_. Change all + callers. + (File_read::read): Adjust for byteshift in returned view. + (File_read::add_view): New function, broken out of + find_and_make_view. + (File_read::make_view): New function, broken out of + find_and_make_view. + (File_read::find_or_make_view): Add offset and aligned + parameters. Rewrite accordingly. Change all callers. + (File_read::get_view): Add offset and aligned parameters. Adjust + for byteshift in return value. + (File_read::get_lasting_view): Likewise. + * fileread.h (class File_read): Update declarations. + (class File_read::View): Add byteshift_ field. Add byteshift to + constructor. Add byteshift method. + * archive.h (Archive::clear_uncached_views): New function. + (Archive::get_view): Add aligned parameter. Change all callers. + * object.h (Object::get_view): Add aligned parameter. Change all + callers. + (Object::get_lasting_view): Likewise. + + * fileread.cc (File_read::release): Don't call clear_views if + there are multiple objects. + * fileread.h (File_read::clear_uncached_views): New function. + * archive.cc (Add_archive_symbols::run): Call clear_uncached_views + on the archive. + +2008-03-31 Cary Coutant <ccoutant@google.com> + + Add thin archive support. + * archive.cc (Archive::armagt): New const. + (Archive::setup): Remove task parameter and calls to unlock. + (Archive::unlock_nested_archives): New function. + (Archive::read_header): Add nested_off parameter. Change + all callers. + (Archive::interpret_header): Likewise. + (Archive::include_all_members): Change to handle thin + archives. + (Archive::include_member): Likewise. + * archive.h (Archive::Archive): Add new parameters and + initializers. + (Archive::armagt): New const. + (Archive::setup): Remove task parameter. + (Archive::unlock_nested_archives): New function. + (Archive::read_header): Add nested_off parameter. + (Archive::interpret_header): Likewise. + (Archive::Nested_archive_table): New typedef. + (Archive::is_thin_archive_): New field. + (Archive::nested_archives_): New field. + (Archive::options_): New field. + (Archive::dirpath_): New field. + (Archive::task_): New field. + * readsyms.cc (Read_symbols::do_read_symbols): Add check + for thin archives. Pass additional parameters to + Archive::Archive. Unlock the archive file after calling + Archive::setup. + +2008-03-29 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol_table::do_define_as_constant): Don't force a + version symbol to be local. + * testsuite/ver_test_4.sh: New file. + * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh. + (check_DATA): Add ver_test_4.syms. + (ver_test_4.syms): New target. + * testsuite/Makefile.in: Rebuild. + + * output.cc + (Output_section::Input_section_sort_entry::has_priority): New + function. + (Output_section::Input_section_sort_entry::match_file_name): New + function. + (Output_section::Input_section_sort_entry::match_section_name): + Remove. + (Output_section::Input_section_sort_entry::match_section_name_prefix): + Remove. + (Output_section::Input_section_sort_entry::match_section_file): + Remove. + (Output_section::Input_section_sort_compare::operator()): Rewrite + using new Input_section_sort_entry functions. Sort crtbegin and + crtend first. Sort sections with no priority before sections with + a priority. + * testsuite/initpri1.c (d3): Check j != 4. + (cd5): New constructor/destructor function. + (main): Check j != 2. + + * symtab.cc (Symbol_table::add_from_object): If we don't use the + new symbol when resolving, don't call set_is_default. + * testsuite/ver_test_7.cc: New file. + * testsuite/ver_test_7.sh: New file. + * testsuite/Makefile.am (ver_test_7.so): New target. + (ver_test_7.o): New target. + (check_SCRIPTS): Add ver_test_7.sh. + (check_DATA): Add ver_test_7.syms. + (ver_test_7.syms): New target. + +2008-03-28 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::layout): If we see an input section with a + name that needs sorting, set the must_sort flag for the output + section. + (Layout::make_output_section): If the name of the output section + indicates that it might require sorting, set the may_sort flag. + * output.h (Output_section::may_sort_attached_input_sections): New + function. + (Output_section::set_may_sort_attached_input_sections): New + function. + (Output_section::must_sort_attached_input_sections): New + function. + (Output_section::set_must_sort_attached_input_sections): New + function. + (class Output_section): Declare Input_section_sort_entry. Define + Input_section_sort_compare. Declare + sort_attached_input_sections. Add new fields: + may_sort_attached_input_sections_, + must_sort_attached_input_sections_, + attached_input_sections_are_sorted_. + * output.cc (Output_section::Output_section): Initialize new + fields. + (Output_section::add_input_section): Add an entry to + input_sections_ if may_sort or must_sort are true. + (Output_section::set_final_data_size): Call + sort_attached_input_sections if necessary. + (Output_section::Input_section_sort_entry): Define new class. + (Output_section::Input_section_sort_compare::operator()): New + function. + (Output_section::sort_attached_input_sections): New function. + * configure.ac: Check whether the compiler supports constructor + priorities. Define a CONSTRUCTOR_PRIORITY automake conditional. + * testsuite/initpri1.c: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if + CONSTRUCTOR_PRIORITY. + (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables. + (initpri1_LDFLAGS): New variable. + * configure, Makefile.in, testsuite/Makefile.in: Rebuild. + +2008-03-27 Ian Lance Taylor <iant@google.com> + + * common.cc (Sort_commons::operator): Correct sorting algorithm. + * testsuite/common_test_1.c: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1. + (common_test_1_SOURCES): New variable. + (common_test_1_DEPENDENCIES): New variable. + (common_test_1_LDFLAGS): New variable. + + * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_ + and commons_ correctly when NAME/VERSION does not override + NAME/NULL. + * testsuite/ver_test_6.c: New file. + * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6 + (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables. + (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables. + +2008-03-26 Ian Lance Taylor <iant@google.com> + + * symtab.cc (Symbol_table::add_from_relobj): Don't set the version + of an undefined symbol from a version script. + * testsuite/Makefile.am (ver_test_5.so): New target. + (ver_test_5.o): New target. + (check_SCRIPTS): Add ver_test_5.sh. + (check_DATA): Add ver_test_5.syms. + (ver_test_5.syms): New target. + * testsuite/ver_test_5.cc: New file. + * testsuite/ver_test_5.script: New file. + * testsuite/ver_test_5.sh: New file. + * Makefile.in, testsuite/Makefile.in: Rebuild. + + PR gold/5986 + Fix problems building gold with gcc 4.3.0. + * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define. + (gold_error_at_location, gold_warning_at_location): Use it. + * configure.ac: Check whether we can compile and use a template + function with a printf attribute. + * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value + when jumping over bytes. + * object.cc: Instantiate Object::read_section_data. + * debug.h: Include <cstring> + * dwarf_reader.cc: Include <algorithm> + * main.cc: Include <cstring>. + * options.cc: Include <cstring>. + * output.cc: Include <cstring>. + * script.cc: Include <cstring>. + * script.h: Include <string>. + * symtab.cc: Include <cstring> and <algorithm>. + * target-select.cc: Include <cstring>. + * version.cc: Include <string>. + * testsuite/testmain.cc: Include <cstdlib>. + * configure, config.in: Rebuild. + +2008-03-25 Ian Lance Taylor <iant@google.com> + + * options.cc: Include "../bfd/bfdver.h". + (options::help): Print bug reporting address. + + * version.cc (print_version): Adjust output for current value of + BFD_VERSION_STRING. + + * NEWS: New file. + + * options.cc (options::help): Print list of supported targets. + * target-select.h: Include <vector>. + (class Target_selector): Make machine_, size_, and is_big_endian_ + fields const. Add bfd_name_ and instantiated_target_ fields. + (Target_selector::Target_selector): Add bfd_name parameter. + (Target_selector::recognize): Make non-virtual, call + do_recognize. + (Target_selector::recognize_by_name): Make non-virtual, call + do_recognize_by_name. + (Target_selector::supported_names): New function. + (Target_selector::bfd_name): New function. + (Target_selector::do_instantiate_target): New pure virtual + function. + (Target_selector::do_recognize): New virtual function. + (Target_selector::do_recognize_by_name): New virtual function. + (Target_selector::instantiate_target): New private function. + (supported_target_names): Declare. + * target-select.cc (Target_selector::Target_selector): Update for + new parameter and fields. + (select_target_by_name): Check that the name matches before + calling recognize_by_name. + (supported_target_names): New function. + * i386.cc (class Target_selector_i386): Update Target_selector + constructor call. Remove recognize and recognize_by_name. Add + do_instantiate_target. + * x86_64.cc (class Target_selector_x86_64): Likewise. + * testsuite/testfile.cc (class Target_selector_test): Update for + changes to Target_selector. + + * README: Rewrite, with some notes on unsupported features. + +2008-03-24 Cary Coutant <ccoutant@google.com> + + * i386.cc (Target_i386::Got_type): New enum declaration. + (Target_i386::Scan::local): Updated callers of Output_data_got + member functions. + (Target_i386::Scan::global): Likewise. + (Target_i386::Relocate::relocate): Likewise. + (Target_i386::Relocate::relocate_tls): Likewise. + * object.h (Got_offset_list): New class. + (Sized_relobj::local_has_got_offset): Added got_type parameter. + (Sized_relobj::local_got_offset): Likewise. + (Sized_relobj::set_local_got_offset): Likewise. + (Sized_relobj::local_has_tls_got_offset): Removed. + (Sized_relobj::local_tls_got_offset): Removed. + (Sized_relobj::set_local_tls_got_offset): Removed. + (Sized_relobj::Local_got_offsets): Changed to store a list of offsets. + * output.cc (Output_data_got::add_global): Added got_type parameter. + (Output_data_got::add_global_with_rel): Likewise. + (Output_data_got::add_global_with_rela): Likewise. + (Output_data_got::add_global_pair_with_rel): New function. + (Output_data_got::add_global_pair_with_rela): New function. + (Output_data_got::add_local): Added got_type parameter. + (Output_data_got::add_local_with_rel): Likewise. + (Output_data_got::add_local_with_rela): Likewise. + (Output_data_got::add_local_pair_with_rel): New function. + (Output_data_got::add_local_pair_with_rela): New function. + (Output_data_got::add_global_tls): Removed. + (Output_data_got::add_global_tls_with_rel): Removed. + (Output_data_got::add_global_tls_with_rela): Removed. + (Output_data_got::add_local_tls): Removed. + (Output_data_got::add_local_tls_with_rel): Removed. + (Output_data_got::add_local_tls_with_rela): Removed. + * output.h (Output_data_got::add_global): Added got_type parameter. + (Output_data_got::add_global_with_rel): Likewise. + (Output_data_got::add_global_with_rela): Likewise. + (Output_data_got::add_global_pair_with_rel): New function. + (Output_data_got::add_global_pair_with_rela): New function. + (Output_data_got::add_local): Added got_type parameter. + (Output_data_got::add_local_with_rel): Likewise. + (Output_data_got::add_local_with_rela): Likewise. + (Output_data_got::add_local_pair_with_rel): New function. + (Output_data_got::add_local_pair_with_rela): New function. + (Output_data_got::add_global_tls): Removed. + (Output_data_got::add_global_tls_with_rel): Removed. + (Output_data_got::add_global_tls_with_rela): Removed. + (Output_data_got::add_local_tls): Removed. + (Output_data_got::add_local_tls_with_rel): Removed. + (Output_data_got::add_local_tls_with_rela): Removed. + * resolve.cc (Symbol::override_base_with_special): Removed + reference to has_got_offset_ field. + * symtab.cc (Symbol::init_fields): Replaced initialization + of got_offset_ with got_offsets_. Removed initialization + of has_got_offset_ + * symtab.h (Symbol::has_got_offset): Aded got_type parameter. + (Symbol::got_offset): Likewise. + (Symbol::set_got_offset): Likewise. + (Symbol::has_tls_got_offset): Removed. + (Symbol::tls_got_offset): Removed. + (Symbol::set_tls_got_offset): Removed. + (Symbol::got_offset_): Removed. + (Symbol::tls_mod_got_offset_): Removed. + (Symbol::tls_pair_got_offset_): Removed. + (Symbol::got_offsets_): New field. + (Symbol::has_got_offset): Removed. + (Symbol::has_tls_mod_got_offset): Removed. + (Symbol::has_tls_pair_got_offset): Removed. + * x86_64.cc (Target_x86_64::Got_type): New enum declaration. + (Target_x86_64::Scan::local): Updated callers of Output_data_got + member functions. + (Target_x86_64::Scan::global): Likewise. + (Target_x86_64::Relocate::relocate): Likewise. + (Target_x86_64::Relocate::relocate_tls): Likewise. + +2008-03-25 Ben Elliston <bje@au.ibm.com> + + * yyscript.y: Fix spelling error in comment. + +2008-03-24 Ian Lance Taylor <iant@google.com> + + * options.h (class General_options): Define build_id option. + * layout.h (class Layout): Declare write_build_id, create_note, + create_build_id. Add build_id_note_ member. + * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>, + "libiberty.h", "md5.h", "sha1.h". + (Layout::Layout): Initialize eh_frame_data_, + eh_frame_hdr_section_, and build_id_note_. + (Layout::finalize): Call create_build_id. + (Layout::create_note): New function, broken out of + Layout::create_gold_note. + (Layout::create_gold_note): Call create_note. + (Layout::create_build_id): New function. + (Layout::write_build_id): New function. + (Close_task_runner::run): Call write_build_id. + + * x86_64.cc: Correct license to GPLv3. + +2008-03-23 Ian Lance Taylor <iant@google.com> + + * options.cc: Include "demangle.h". + (parse_optional_string): New function. + (parse_long_option): Handle takes_optional_argument. + (parse_short_option): Update dash_z initializer. Handle + takes_optional_argument. + (General_options::General_options): Initialize do_demangle_. + (General_options::finalize): Set do_demangle_. Handle demangling + style. + * options.h (parse_optional_string): Declare. + (struct One_option): Add optional_arg field. Update constructor. + Update call constructor calls. Add takes_optional_argument + function. + (DEFINE_var): Add optional_arg__ parameter. Change all callers. + (DEFINE_optional_string): Define. + (General_options::demangle): Change from DEFINE_bool to + DEFINE_optional_string. + (General_options::no_demangle): New function. + (General_options::do_demangle): New function. + (General_options::set_do_demangle): New function. + (General_options::execstack_status_): Move definition to end of + class definition. + (General_options::static_): Likewise. + (General_options::do_demangle_): New field. + * object.cc (big_endian>::get_symbol_location_info): Call + Options::do_demangle, not Options::demangle. + * symtab.cc (demangle): Likewise. + +2008-03-22 Ian Lance Taylor <iant@google.com> + + * gold.h: Include <cstddef> and <sys/types.h> + * options.h: Include <cstring>. + +2008-03-21 Ian Lance Taylor <iant@google.com> + + * Added source code to GNU binutils. + +Copyright (C) 2008-2015 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved. + +Local Variables: +mode: change-log +left-margin: 8 +fill-column: 74 +version-control: never +End: |