72 commits
Author | SHA1 | Message | Date | |
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Roland McGrath
|
62fe925ad4 |
gold/
* 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. |
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Alan Modra
|
19fec8c1d3 |
* 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. |
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Alan Modra
|
bd73a62d77 |
* 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. |
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Alan Modra
|
e81fea4d17 |
* 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. |
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Alan Modra
|
7404fe1b8d |
* 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. |
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Alan Modra
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921b53228f |
* 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. |
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Roland McGrath
|
2e702c99c5 |
* configure.ac (ENABLE_GOLD): Consider *-*-nacl* targets ELF.
* configure: Regenerate. gold/ * 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. Change-Id: Id24b95600489835ff5e860a39c147203d4380c2b |
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Ian Lance Taylor
|
2c54b4f422 |
* 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. |
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Doug Kwan
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647f15745a |
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. |
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Cary Coutant
|
dd74ae0671 |
* gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
Use abstract base class for GOT. * gold/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. * gold/target.h (Sized_target::init_got_plt_for_update): Return pointer to abstract base class. * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise. |
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Ian Lance Taylor
|
67181c72fb |
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. |
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Ian Lance Taylor
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02d7cd4495 |
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. |
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Ian Lance Taylor
|
200b2bb9e8 |
* 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. |
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Ian Lance Taylor
|
b3ce541e97 |
* 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. |
||
Cary Coutant
|
26d3c67de1 |
* 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. |
||
Cary Coutant
|
6fa2a40bf4 |
* 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. |
||
Cary Coutant
|
4829d394de |
* 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. |
||
Cary Coutant
|
94a3fc8b83 |
* 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. |
||
Ralf Wildenhues
|
9b547ce683 |
Fix typos in gold.
gold/: * 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. |
||
Doug Kwan
|
f625ae503e |
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. |
||
Sriraman Tallam
|
c95e9f2791 |
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. |
||
Ian Lance Taylor
|
7223e9ca5a |
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. |
||
Cary Coutant
|
0e70b9111a |
elfcpp/ChangeLog:
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_GOT_PLT. gold/ChangeLog: * 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. |
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Doug Kwan
|
8a75a161b2 |
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. |
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Doug Kwan
|
5c3885291f |
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. |
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Doug Kwan
|
7296d93387 |
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. |
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Ian Lance Taylor
|
b6848d3c09 |
* 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. |
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Sriraman Tallam
|
21bb3914d6 |
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. |
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Doug Kwan
|
0d31c79dad |
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. |
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Ian Lance Taylor
|
e291e7b9c9 |
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. |
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Doug Kwan
|
05a352e6a7 |
2009-12-05 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog: * arm.h: Define enums for Tag_CPU_arch EABI attribute. gold/ChangeLog: * 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. * gold/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. |
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Doug Kwan
|
f59f41f3e6 |
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. |
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Doug Kwan
|
d5b40221bc |
2009-10-30 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog: * arm.h (EF_ARM_BE8, EF_ARM_EABIMASK, EF_ARM_EABI_UNKNOWN, EF_ARM_EABI_VER1, EF_ARM_EABI_VER2, EF_ARM_EABI_VER3, EF_ARM_EABI_VER4, EF_ARM_EABI_VER5): New enums for processor-specific flags. (arm_eabi_version): New inline function. * elfcpp.h: Add a comment about DT_ENCODING. gold/ChangeLog: * 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. |
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Ian Lance Taylor
|
ad0f2072a6 |
* 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. |
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Doug Kwan
|
c0a6286595 |
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. |
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Ian Lance Taylor
|
364c7fa5c9 |
* 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. |
||
Doug Kwan
|
20e6d0d602 |
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. * gold/script-sections.h (Script_sections::release_segments): New method declaration. * gold/target.h (Target::may_relax, Target::relax, Target::do_may_relax, Target::do_relax): New method definitions. |
||
Doug Kwan
|
f733487b04 |
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. |
||
Ian Lance Taylor
|
8a5e3e08a6 |
* 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. |
||
Doug Kwan
|
bb04269c74 |
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. |
||
Ian Lance Taylor
|
3695968186 |
2009-03-23 Ian Lance Taylor <iant@google.com>
* 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. |
||
Sriraman Tallam
|
6d03d481a0 |
2009-01-20 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. |
||
Ian Lance Taylor
|
9c2d0ef98a |
* 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. |
||
Ian Lance Taylor
|
0864d55193 |
* 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. |
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Ian Lance Taylor
|
ebdbb4583d | Update copyright years. Update language files. | ||
Ian Lance Taylor
|
8851eccaec | From Craig Silverstein: Have Parameters point to General_options. | ||
Ian Lance Taylor
|
cd72c29180 |
From Craig Silverstein: implement -z max-page-size and -z
common-page-size. |
||
Ian Lance Taylor
|
6a74a71947 | Initial -r support. | ||
Ian Lance Taylor
|
fe8718a463 | Convert more instances of off_t to be 32-bit types. | ||
Ian Lance Taylor
|
9a2d698415 | Add heuristics for undefined symbol warnings. |