aboutsummaryrefslogtreecommitdiff
path: root/gold/powerpc.cc
AgeCommit message (Collapse)AuthorFilesLines
2013-10-30PowerPC64 ELFv2 support for gold.Alan Modra1-133/+405
elfcpp/ * powerpc.h (EF_PPC64_ABI): New enum constant. (STO_PPC64_LOCAL_BIT, STO_PPC64_LOCAL_MASK): Likewise. (ppc64_decode_local_entry): New function. (ppc64_encode_local_entry): Likewise. gold/ * 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.
2013-10-30Report overflow on PowerPC64 @h and @ha relocations.Alan Modra1-39/+91
This changes the behaviour of @h and @ha on PowerPC64 to report errors on 32-bit overflow. The motivation for this change is that on PowerPC64, most uses of @h and @ha modifiers and their corresponding relocations are to build up 32-bit offsets. We'd like to know when such offsets overflow. Only rarely do people use @h or @ha with the high 32-bit modifiers to build a 64-bit constant. Those uses will now need to use two new modifiers, @high and @higha, if the constant isn't known at assembly time. For now, we won't report overflow at assembly time.. This also fixes an error when applying some of the HIGHER and HIGHEST relocations. include/elf/ * ppc64.h (R_PPC64_ADDR16_HIGH, R_PPC64_ADDR16_HIGHA, R_PPC64_TPREL16_HIGH, R_PPC64_TPREL16_HIGHA, R_PPC64_DTPREL16_HIGH, R_PPC64_DTPREL16_HIGHA): New. (IS_PPC64_TLS_RELOC): Match new tls relocs. bfd/ * reloc.c (BFD_RELOC_PPC64_ADDR16_HIGH, BFD_RELOC_PPC64_ADDR16_HIGHA, BFD_RELOC_PPC64_TPREL16_HIGH, BFD_RELOC_PPC64_TPREL16_HIGHA, BFD_RELOC_PPC64_DTPREL16_HIGH, BFD_RELOC_PPC64_DTPREL16_HIGHA): New. * elf64-ppc.c (ppc64_elf_howto_raw): Add entries for new relocs. Make all _HA and _HI relocs report signed overflow. (ppc64_elf_reloc_type_lookup): Handle new relocs. (must_be_dyn_reloc, ppc64_elf_check_relocs): Likewise. (dec_dynrel_count, ppc64_elf_relocate_section): Likewise. (ppc64_elf_relocate_section): Don't apply 0x8000 adjust to R_PPC64_TPREL16_HIGHER, R_PPC64_TPREL16_HIGHEST, R_PPC64_DTPREL16_HIGHER, and R_PPC64_DTPREL16_HIGHEST. * libbfd.h: Regenerate. * bfd-in2.h: Regenerate. gas/ * config/tc-ppc.c (SEX16): Don't mask. (REPORT_OVERFLOW_HI): Define as zero. (ppc_elf_suffix): Support @high, @higha, @dtprel@high, @dtprel@higha, @tprel@high, and @tprel@higha modifiers. (md_assemble): Ignore X_unsigned when applying 16-bit insn fields. Add (disabled) code to check @h and @ha reloc overflow for powerpc64. Handle new relocs. (md_apply_fix): Similarly. elfcpp/ * powerpc.h (R_PPC64_ADDR16_HIGH, R_PPC64_ADDR16_HIGHA, R_PPC64_TPREL16_HIGH, R_PPC64_TPREL16_HIGHA, R_PPC64_DTPREL16_HIGH, R_PPC64_DTPREL16_HIGHA): Define. gold/ * 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 * output.h (Output_data_got::add_constant): Tidy.Alan Modra1-3/+78
(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().
2013-10-11gold/Roland McGrath1-19/+0
* powerpc.cc (Output_data_got_powerpc): Remove unused methods add_got_entry and add_got_entry_pair.
2013-10-11gold/Roland McGrath1-4/+2
* 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.
2013-07-31gold/Cary Coutant1-1/+1
* 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 gold/Cary Coutant1-4/+8
* 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. (Target_arm_nacl::arm_nacl_info): Likewise. * i386.cc (Target_i386::i386_info): Likewise. (Target_i386_nacl::i386_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.
2013-07-11gold/Cary Coutant1-1/+1
* powerpc.cc (Target_powerpc::write_branch_lookup_table): Use correct BRLT entry size.
2013-07-03bfd/Alan Modra1-4/+7
* elf64-ppc.c (struct ppc_stub_hash_entry): Delete "addend". (ppc64_elf_size_stubs): Don't set "addend". (ppc64_elf_relocate_section): Don't allow calls via toc-adjusting stubs without a following nop even in an executable, except for self-calls and both libc_start_main and .libc_start_main. gold/ * powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call comment.
2013-06-27 PR gold/15662Cary Coutant1-2/+16
* 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 * powerpc.cc (Target_powerpc::symval_for_branch): Don't assertAlan Modra1-4/+5
on garbage collected .opd section. * 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.
2013-04-27 * target-reloc.h (relocate_section): If the reloc offset is out ofIan Lance Taylor1-1/+4
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.
2013-04-13 * powerpc.cc (Stub_control::can_add_to_stub_group): Don't setAlan Modra1-12/+44
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 PR gold/15354Alan Modra1-6/+6
* powerpc.cc (Target_powerpc::make_brlt_section): Name section .branch_lt to match bfd ld. Adjust comments throughout file.
2013-03-15 * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): MakeAlan Modra1-86/+124
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.
2013-03-12 * powerpc.cc (is_branch_reloc): Forward declare.Alan Modra1-6/+27
(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.
2013-03-10 * gold.cc (queue_middle_tasks): Move detect_odr_violations..Alan Modra1-4/+247
* 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.
2013-03-06 * powerpc.cc (class Powerpc_relobj): Move some member functions.Alan Modra1-47/+61
(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.
2013-02-27 * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.Alan Modra1-5/+180
* 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 * powerpc.cc (Stub_table::plt_off): New function, extracted from..Alan Modra1-46/+35
(Stub_table::do_write): ..here, two places. (Stub_table::plt_call_size): Use it here too.
2013-01-17 * powerpc.cc (Stub_table::find_plt_call_entry): Make typesAlan Modra1-6/+6
used in declaration and definition consistent. (Target_powerpc::symval_for_branch): Ditto.
2013-01-15bfd/Alan Modra1-8/+15
* elf64-ppc.c (ppc64_elf_size_stubs): Default shared libs to plt-thread-safe. gold/ * powerpc.cc (Target_powerpc::do_relax): Default shared libs to plt-thread-safe. ld/testsuite/ * ld-powerpc/tlsso.d: Adjust for plt-thread-safe stubs. * ld-powerpc/tlsso.g: Likewise. * ld-powerpc/tlsso.r: Likewise. * ld-powerpc/tlstocso.d: Likewise. * ld-powerpc/tlstocso.g: Likewise.
2012-12-12 * powerpc.cc (class Track_tls): New.Alan Modra1-43/+148
(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 * options.h (General_options): Add --toc-sort/--no-toc-sort.Alan Modra1-3/+79
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 * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):Alan Modra1-23/+2
Set EM_PPC64 or EM_PPC here. (Target_selector_powerpc::do_recognize): Delete.
2012-12-10 * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ andAlan Modra1-1/+3
stub_table_. (Target_powerpc::Branch_info::make_stub): Don't omit addend.
2012-12-07 * powerpc.cc (Stub_table::do_write): Delete redundant AddressAlan Modra1-3/+10
typedef and invalid_address constant. (Output_data_glink, Stub_table, Target_powerpc): Explicitly instantiate constants.
2012-12-07 * options.h (General_options): Add no_toc_optimize.Alan Modra1-0/+96
* powerpc.cc (ok_lo_toc_insn): New function. (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
2012-12-06 * options.h (General_options): Add plt_align, plt_static_chain,Alan Modra1-89/+226
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 * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.Alan Modra1-11/+7
(Target_powerpc::do_define_standard_symbols): New function.
2012-12-03 * layout.h (Layout::get_executable_sections): Declare.Alan Modra1-338/+1423
* 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 * powerpc.c (Target_powerpc::Scan::global): Don't emit relativeAlan Modra1-5/+9
relocs against protected symbols when building 32-bit shared libs.
2012-11-30 * powerpc.cc (Target_powerpc::make_plt_section): Add symtabAlan Modra1-14/+23
param. Call got_section() to make .got. Update all callers and their callers and so on.
2012-11-30 * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCALAlan Modra1-10/+17
_GLOBAL_OFFSET_TABLE_ rather than STB_WEAK. (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_ value if it already exists.
2012-11-05 * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.Alan Modra1-43/+65
(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.
2012-11-01gold/Roland McGrath1-18/+19
* 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.
2012-10-18 * target-reloc.h (class Default_comdat_behavior): New, package up..Alan Modra1-41/+29
(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.
2012-10-17 * powerpc.cc (Target_powerpc::Scan::local, global): Always emitAlan Modra1-21/+70
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.
2012-10-16 * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.Alan Modra1-0/+363
(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 * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.Alan Modra1-3/+32
(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 * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,Alan Modra1-18/+11
add_local_ifunc_entry): Revert last change. (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
2012-10-05 * powerpc.cc (Target_powerpc::do_plt_address_for_local,Alan Modra1-105/+229
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.
2012-09-29 * powerpc.cc (Target_powerpc::iplt_): New output section.Alan Modra1-97/+444
(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 * object.h (Sized_relobj_file::adjust_local_symbol,Alan Modra1-4/+95
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.
2012-09-12 * target-reloc.h (scan_relocs): Call scan.local for relocsAlan Modra1-39/+137
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.
2012-09-10 * output.h (Output_data_got::add_global_tls, add_local_tls,Alan Modra1-23/+99
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.
2012-09-09 * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.Alan Modra1-6/+147
(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.
2012-09-05 * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,Alan Modra1-61/+58
update all uses and lose "enum" when using type.
2012-09-05 * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.Alan Modra1-89/+160
(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 * object.h (Sized_relobj_file::emit_relocs): Delete.Alan Modra1-50/+190
(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.
generated by cgit v1.1 at 2024-12-02 15:46:23 +0000