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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.
2012-09-04* powerpc.cc (do_make_elf_object): Allow ET_EXEC files withAndreas Schwab1-1/+4
--just-symbols.
2012-08-31 * powerpc.cc (Powerpc_relobj): Add and use Address typedef.Alan Modra1-315/+1437
(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.
2012-08-18 * powerpc.cc: Formatting and white space.Alan Modra1-211/+381
(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 * target.h (Target::output_section_name): New function.Alan Modra1-0/+13
(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.
2012-08-14elfcpp/Alan Modra1-21/+37
* powerpc.h: Add more relocs. (R_PPC_REL16*): Rename to R_POWERPC_REL16*. gold/ * 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.
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