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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.

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