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2010-04-24 * layout.cc (Layout::layout_reloc): In relocatable link don'tIan Lance Taylor1-5/+14
combine reloc sections for grouped sections.
2010-04-092010-04-09 Doug Kwan <dougkwan@google.com>Doug Kwan1-3/+43
* layout.cc (Layout::choose_output_section): Handle script section types. (Layout::make_output_section_for_script): Add section type parameter. Handle script section types. * layout.h (Layout::make_output_section_for_script): Add section type parameter. * output.cc (Output_section::Output_section): Initialize data member is_noload_. (Output_section::do_reset_address_and_file_offset): Do not set address to 0 if section is a NOLOAD section. * output.h (Output_section::is_noload): New method. (Output_section::set_is_noload): Ditto. (Output_section::is_noload_): New data member. * script-c.h (Script_section_type): New enum type. (struct Parser_output_section_header): Add new file section_type. * script-sections.cc (Sections_element::output_section_name): Add parameter for returning script section type. (Output_section_definition::output_section_name): Ditto. (Output_section_definition::section_type)P; New method. (Output_section_definiton::script_section_type_name): Ditto. (Output_section_definition::script_section_type_): New data member. (Output_section_definition::Output_section_definition): Initialize data member Output_section_definition::script_section_type_. (Output_section_definition::create_sections): Pass script section type to Layout::make_output_section_for_script. (Output_section_definition::output_section_name): Return script section type to caller. (Output_section_definition::set_section_address): Do not advance dot value and load address if section type is NOLOAD. Set address of NOLOAD sections regardless of section flags. (Output_section_definition::print): Print section type if it is not SCRIPT_SECTION_TYPE_NONE. (Output_section_definition::section_type): New method. (Output_section_definition::script_section_type_name): Ditto. (Script_sections::output_section_name): Add new parameter PSECTION_TYPE for returning script section type. Pass it to section elements. Handle discard sections. (Sort_output_sections::operator()): Handle NOLOAD sections. * script-sections.h (Script_sections::Section_type): New enum type. (Script_sections::output_section_name): Add a new parameter for returning script section type. * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT, INFO and NOLOAD. * yyscript.y (union): Add new field SECTION_TYPE. (COPY, DSECT, INFO, NOLOAD): New tokens. (opt_address_and_section_type): Change type to output_section_header. (section_type): New non-terminal (section_header): Handle section type. (opt_address_and_section_type): Return section type value.
2010-03-012010-03-01 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+25
* layout.cc (Layout::Layout): Force section types of .init_array*, .preinit_array* and .fini_array* sections. * output.cc (Output_section::Input_section_sort_entry::has_priority): Fix check of return value of std::string::find.(). (Output_section::Input_section_sort_compare::operator()): Remove comment about .init_array. (Output_section::Input_section_sort_init_fini_compare::operator()): New method. (Output_section::sort_attached_input_sections): Handle .init_array and .fini_array specially. * output.h (Output_section::Inut_section_sort_compare): Update comment. (Output_section::Input_section_sort_init_fini_compare): New struct.
2010-02-242010-02-24 Doug Kwan <dougkwan@google.com>Doug Kwan1-2/+2
* arm.cc (Arm_output_data_got): New class. (ARM_TCB_SIZE): New constant (Target_arm): Use Arm_output_data_got instead of Output_data_got. (Arm_output_section::fix_exidx_coverage): Add a parameter for layout. If user uses a script with a SECTIONS clause, issue only a warning for a misplaced EXIDX input section. Otherwise, issue an error. (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing garbage collection. (Target_arm::got_mode_index_entry): Handle static linking. (Target_arm::Scan::local): Ditto. (Target_arm::Scan::global): Ditto. (Target_arm::Relocate::relocate_tls): Handle static linking. Fix all incorrectly implemented relocations. (Target_arm::fix_exidx_coverage): Pass layout to Arm_output_section::fix_exidx_coverage. * layout.cc (Layout::section_name_mapping): Remove trailing dots from ".ARM.exidx." and ".ARM.extab.".
2010-02-09 * output.h (Output_data_dynamic::add_section_size): New methodDavid S. Miller1-3/+7
that takes two Output_data objects. (Output_data_dynamic::Dynamic_entry): Create storage for secondary entry param. Handle it in initializers. * output.cc (Output_data_dynamic::Dynamic_entry::write): For DYNAMIC_SECTION_SIZE, add in second object size if non-NULL. * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt arg. * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt, and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt * arm.cc (Target_arm::do_finalize_sections): Update to pass false for dynrel_includes_plt. * i386.cc (Target_i386::do_finalize_sections): Likewise. * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise. * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output before .rela.plt (Target_sparc::do_finalize_sections): Update to pass true for dynrel_includes_plt. * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be output before .rela.plt (Target_powerpc::do_finalize_sections): Update to pass true for dynrel_includes_plt when 32-bit.
2010-01-232010-01-22 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+8
* arm.cc (Target_arm::do_relax): Record an output section for section offset adjustment it contains any stub table that has changed. * layout.cc (Layout::clean_up_after_relaxation): Adjust section offsets in an output section if necessary. * output.cc (Output_section::Output_section): Initialize section_offsets_need_adjustments_. (Output_section::add_input_section_for_script): Renamed to Output_section::add_simple_input_section. (Output_section::save_states): Add a comment. (Output_section::discard_states): New method defintion. (Output_section::adjust_section_offsets): Same. * output.h (Output_section::add_input_section_for_script): Renamed to Output_section::add_simple_input_section. (Output_section::discard_states): New method declaration. (Output_section::adjust_section_offsets): Same. (Output_section::section_offsets_need_adjustment, Output_section::set_section_offsets_need_adjustment): New method definitions. (Output_section::section_offsets_need_adjustment_): New data member. * script-sections.cc (Output_section_element_input::set_section_address): Adjust code for renaming of Output_section::add_input_section_for_script. (Orphan_output_section::set_section_address): Same.
2010-01-08 PR 11072Ian Lance Taylor1-0/+5
* layout.cc (Layout::include_section): Remove .gnu_debuglink sections.
2010-01-08 PR 10287Ian Lance Taylor1-3/+4
PR 11063 * i386.cc (class Target_i386): Change return type of plt_section to be non-const. (class Output_data_plt_i386): Add tls_desc_rel_ field. (Output_data_plt_i386::Output_data_plt_i386): Initialize tls_desc_rel_ field. (Output_data_plt_i386::rel_tls_desc): New function. (Target_i386::rel_tls_desc_section): New function. (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling. (Target_i386::Scan::global): For R_386_TLS_GOTDESC put R_386_TLS_DESC reloc in rel_tls_desc_section. * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field. Define struct Tlsdesc_info. (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_. (Target_x86_64::do_reloc_symbol_index): New function. (Target_x86_64::add_tlsdesc_info): New function. (class Output_data_plt_x86_64): Add tlsdesc_rel_ field. (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize tlsdesc_rel_ field. (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change all callers. (Output_data_plt_x86_64::rela_tlsdesc): New function. (Target_x86_64::rela_tlsdesc_section): New function. (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC handling. (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put (Target_x86_64::do_reloc_addend): New function. R_X86_64_TLSDESC reloc in rela_tlsdesc_section. * output.h (class Output_reloc) [SHT_REL]: Add new constructor declarations. Define TARGET_CODE. Add arg field to u1_ union. (Output_reloc::type): New function. (Output_reloc::is_local_section_symbol): Check for TARGET_CODE. (Output_reloc::is_target_specific): New function. (Output_reloc::target_arg): New function. (class Output_reloc) [SHT_RELA]: Add four new constructors for absolute relocs and target specific relocs. (class Output_data_reloc) [SHT_REL]: Add add_absolute and add_target_specific. (class Output_data_reloc) [SHT_RELA]: Likewise. * output.cc (Output_reloc::Output_reloc): Add four new versions for absolute relocs and target specific relocs. (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case. (Output_reloc::get_symbol_index): Likewise. (Output_reloc::local_section_offset): Check that local_sym_index_ is not TARGET_CODE or 0. (Output_reloc::symbol_value): Likewise. (Output_reloc::write) [SHT_RELA]: Call target for target specific reloc. * target.h (class Target): Add reloc_symbol_index and reloc_addend functions. Add do_reloc_symbol_index and do_reloc_addend virtual functions. * layout.cc (add_target_dynamic_tags): Use output section for DT_PLTRELSZ and DT_JMPREL.
2010-01-07 PR 11061Ian Lance Taylor1-1/+12
* output.h (class Output_reloc) [SHT_RELA]: Add is_relative function. (class Output_data_reloc_generic): Define. (class Output_data_reloc_base): Change base class to Output_data_reloc_generic. Change add() method to call bump_relative_reloc_count for a relative reloc. Remove sort_relocs_ field. * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_ to sort_relocs(). * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if appropriate. * layout.h (class Layout): Update declaration.
2010-01-07 * output.h (class Output_data): Add const version ofIan Lance Taylor1-0/+77
output_section and do_output_section. (class Output_section_data): Add const version of do_output_section. (class Output_section): Likewise. * layout.cc (Layout::add_target_dynamic_tags): New function. * layout.h (class Layout): Update declarations. * arm.cc (Target_arm::do_finalize_sections): Use add_target_dynamic_tags. * i386.cc (Target_i386::do_finalize_sections): Likewise. * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise. * sparc.cc (Target_sparc::do_finalize_sections): Likewise. * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2010-01-07 * options.h (class General_options): Add -z text and -z textoff.Ian Lance Taylor1-2/+4
* layout.cc (Layout::finish_dynamic_section): Implement -z text.
2010-01-07 * gc.h (Garbage_collection::Cident_section_map): New typedef.Sriraman Tallam1-9/+6
(Garbage_collection::cident_sections): New function. (Garbage_collection::add_cident_section): New function. (Garbage_collection::cident_sections_): New member. (gc_process_relocs): Add references to sections whose names are C identifiers. * gold.h (cident_section_start_prefix): New constant. (cident_section_stop_prefix): New constant. (is_cident): New function. * layout.cc (Layout::define_section_symbols): Replace string constants with the newly defined constants. * object.cc (Sized_relobj::do_layout): Track sections whose names are C identifiers. * testsuite/Makefile.am: Add gc_orphan_section_test. * testsuite/Makefile.in: Regenerate. * testsuite/gc_orphan_section_test.cc: New file. * testsuite/gc_orphan_section_test.sh: New file.
2010-01-07 PR 10980Ian Lance Taylor1-0/+4
* options.h (class General_options): Add --warn-shared-textrel. * layout.cc (Layout::finish_dynamic_section): Implement --warn-shared-textrel.
2010-01-06 PR 10980Ian Lance Taylor1-3/+26
* options.cc (General_options::parse_section_start): New function. (General_options::section_start): New function. (General_options::General_options): Initialize all members. * options.h: Include <map> (class General_options): Add --section-start. Add section_starts_ member. * layout.cc (Layout::attach_allocated_section_to_segment): If --section-start was used, set the address of the segment. Remove local sort_sections. (Layout::relaxation_loop_body): If the address of the load segment has been set by --section-start, don't use it. * output.h (Output_segment::update_flags_for_output_section): New function. * output.cc (Output_segment::add_output_section): Call update_flags_for_output_section.
2009-12-31 PR 10979Ian Lance Taylor1-0/+6
* layout.cc (Layout::relaxation_loop_body): If -Ttext was used, don't put the file header and segment headers in the text segment.
2009-12-31 PR 10979Ian Lance Taylor1-0/+3
* script.cc (read_input_script): If we see a new SECTIONS clause, and we have added an input section, give an error. * layout.h (class Layout): Add have_added_input_section function. Add have_added_input_section_ field. * layout.cc (Layout::Layout): Initialize have_added_input_section_. (Layout::layout): Set have_added_input_section_. (Layout::layout_eh_frame): Likewise.
2009-12-30 PR 10450Ian Lance Taylor1-1/+6
* layout.cc (Layout::create_dynamic_symtab): Only set entsize of .gnu.hash table for a 32-bit target.
2009-12-30 * layout.cc (Layout::Layout): Initialize increase_relro_.Ian Lance Taylor1-35/+86
(Layout::get_output_section): Add is_relro, is_last_relro, and is_first_non_relro parameters. Change all callers. (Layout::choose_output_section): Likewise. (Layout::add_output_section_data): Likewise. (Layout::make_output_section): Likewise. (Layout::set_segment_offsets): Clear increase_relro when using a linker script. * layout.h (class Layout): Add increase_relro method. Add increase_relro_ field. Update declarations. * output.cc (Output_section::Output_section): Initialize is_last_relro_ and is_first_non_relro_. (Output_segment::add_output_section): Group relro sections is do_sort is true. Handle is_last_relro and is_first_non_relro. (Output_segment::maximum_alignment): Remove relro handling. (Output_segment::set_section_addresses): Add increase_relro parameter. Change all callers. Add initial alignment to align relro sections on separate page. Remove old relro handling. (Output_segment::set_section_list_addresses): Remove in_relro parameter. Change all callers. (Output_segment::set_offset): Add increase parameter. Change all callers. Remove old relro handling. * output.h (class Output_section): Add new methods: is_last_relro, set_is_last_relro, is_first_non_relro, set_is_first_non_relro. Add is_last_relro_ and is_first_non_relro_ fields. * i386.cc (Target_i386::got_section): Don't call set_is_relro. Create separate .got.plt section. Call increase_relro. * x86_64.cc (Target_x86_64::got_section): Likewise. * testsuite/relro_script_test.t: Add .got.plt.
2009-12-30 PR 10450Ian Lance Taylor1-4/+28
* layout.cc (Layout::Layout): Initialize dynamic_symbol_ field. (Layout::create_initial_dynamic_sections): Set dynamic_symbol_. (Layout::finalize): Call set_dynamic_symbol_size. (Layout::set_dynamic_symbol_size): New function. * layout.h (class Layout): Add dynamic_symbol_ field. Declare set_dynamic_symbol_size.
2009-12-29 * symtab.h (class Symbol_table): Add enum Defined.Ian Lance Taylor1-1/+4
* resolve.cc (Symbol_table::should_override): Add defined parameter. Change all callers. Test whether object is NULL before calling a method on it. (Symbol_table::report_resolve_problem): Add defined parameter. Change all callers. (Symbol_table::should_override_with_special): Likewise. * symtab.cc (Symbol_table::define_in_output_data): Add defined parameter. Change all callers. (Symbol_table::do_define_in_output_data): Likewise. (Symbol_table::define_in_output_segment): Likewise. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::define_as_constant): Likewise. (Symbol_table::do_define_as_constant): Likewise. * script.h (class Symbol_assignment): Add is_defsym parameter to constructor; change all callers. * script.cc (Script_options::add_symbol_assignment): Add is_defsym parameter. Change all callers. Add is_defsym_ field. (class Parser_closure): Add parsing_defsym parameter to constructor; change all callers. Add parsing_defsym accessor function. Add parsing_defsym_ field.
2009-12-15 * layout.cc (Layout::create_shstrtab): Only write out after inputIan Lance Taylor1-4/+8
sections if we are compressing debug sections.
2009-12-14 Revert -Wshadow changes, all changes from:Ian Lance Taylor1-18/+18
2009-12-11 Doug Kwan <dougkwan@google.com> 2009-12-11 Nick Clifton <nickc@redhat.com> * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2009-12-11Add -Wshadow to the gcc command line options used when compiling the binutils.Nick Clifton1-18/+18
Fix up all warnings generated by the addition of this switch.
2009-12-032009-12-03 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+1
* arm.cc: Remove comment about missing .ARM.exidx section symbols. (Target_arm::do_finalize_sections): Add parameter for symbol table pointer. Add __exidx_start and __exidx_end symbols as appropriate. * i386.cc (Target_i386::do_finalize_sections): Add an additional parameter for symbol table pointer. * layout.cc (Layout::finalize): Call Target::finalize_sections with an additional parameter for a pointer to symbol table. * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional parameter for a symbol table pointer. * sparc.cc (Target_sparc::do_finalize_sections): Ditto. * target.h (Target::finalize_sections, Target::do_finalize_sections): Ditto. * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional parameter for a symbol table pointer.
2009-11-05 PR 10880Ian Lance Taylor1-1/+8
* object.h (class Object): Add is_needed and set_is_needed methods. Add is_needed_ field. Make bool fields into bitfields. * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is defined in a dynamic object and referenced by a regular object, set is_needed for the dynamic object. * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED if the file is marked with as_needed and it is not needed.
2009-11-04 * layout.cc (Layout::get_output_section): Add is_interp andIan Lance Taylor1-47/+77
is_dynamic_linker_section parameters. Change all callers. (Layout::choose_output_section): Likewise. (Layout::make_output_section): Likewise. (Layout::add_output_section_data): Add is_dynamic_linker_section parameter. Change all callers. * layout.h (class Layout): Update declarations. * output.h (class Output_section): Add is_interp, set_is_interp, is_dynamic_linker_section, set_is_dynamic_linker_section methods. Add is_interp_, is_dynamic_linker_section_ fields. Change generate_code_fills_at_write_ to a bitfield. * output.cc (Output_section::Output_sections): Initialize new fields. (Output_segment::add_output_section): Add do_sort parameter. Change all callers.
2009-10-302009-10-30 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+1
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.
2009-10-16 * layout.cc (Layout::relaxation_loop_body): Don't crash if we seeIan Lance Taylor1-1/+3
program headers with no load segment if there is a linker script.
2009-10-16 * layout.cc (Layout::set_segment_offsets): Align the file offsetIan Lance Taylor1-0/+13
to the segment aligment for -N or -n with no load segment. * output.cc (Output_segment::add_output_section): Don't crash if the first section is a TLS section. (Output_segment::set_section_list_addresses): Print an error message if the address moves backward in a linker script. * script-sections.cc (Output_section_element_input::set_section_addresses): Don't increase *dot_value for a SHF_TLS/SHT_NOBITS section. (Orphan_output_section::set_section_addresses): Likewise.
2009-10-152009-10-15 Doug Kwan <dougkwan@google.com>Doug Kwan1-2/+29
* layout.cc (Layout::finish_dynamic_section): Generate tags DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ, DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2009-10-14 Add support for -pie.Ian Lance Taylor1-1/+1
* options.h (class General_options): Add -pie and --pic-executable. (General_options::output_is_position_independent): Test -pie. (General_options::output_is_executable): Return true if not shared and not relocatable. (General_options::output_is_pie): Remove. * options.cc (General_options::finalize): Reject incompatible uses of -pie. * gold.cc (queue_middle_tasks): A -pie link is not static. * symtab.h (Symbol::needs_plt_entry): Return false if -pie. * symtab.cc (Symbol::final_value_is_known): Return false if output_is_position_independent. * layout.cc (Layout::set_segment_offsets): Start at address 0 if output_is_position_independent. * output.cc (Output_file_header::do_sized_write): Use ET_DYN if output_is_position_independent. * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if output_is_position_independent. * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and two_file_pie_test. (basic_pie_test.o, basic_pie_test): New targets. (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets. (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets. (two_file_pie_test): New target. * testsuite/Makefile.in: Rebuild. * README: Remove note saying that -pie is not supported.
2009-10-13 * options.h (class General_options): Add -init and -fini.Ian Lance Taylor1-3/+2
* layout.cc (Layout::finish_dynamic_section): Emit given init and fini functions.
2009-10-092009-10-09 Doug Kwan <dougkwan@google.com>Doug Kwan1-2/+7
* layout.cc (Layout::make_output_section): Call target hook to make ordinary output section. (Layout::finalize): Adjust parameter list of call the Target::may_relax(). * layout.h (class Layout::section_list): New method. * merge.h (Output_merge_base::entsize): Change visibility to public. (Output_merge_base::is_string, Output_merge_base::do_is_string): New methods. (Output_merge_string::do_is_string): New method. * object.cc (Sized_relobj::do_setup): renamed from Sized_relobj::set_up. * object.h (Sized_relobj::adjust_shndx, Sized_relobj::initializ_input_to_output_maps, Sized_relobj::free_input_to_output_maps): Change visibilities to protected. (Sized_relobj::setup): Virtualize. (Sized_relobj::do_setup): New method declaration. (Sized_relobj::invalidate_section_offset, Sized_relobj::do_invalidate_section_offset): New method decfinitions. (Sized_relobj::elf_file, Sized_relobj::local_values): New methods. * options.cc (parse_int): New function. * options.h (parse_int): New declaration. (DEFINE_int): New macro. (stub_group_size): New option. * output.cc (Output_section::Output_section): Initialize memebers merge_section_map_, merge_section_by_properties_map_, relaxed_input_section_map_, is_relaxed_input_section_map_valid_. (Output_section::add_input_section): Handled deferred code-fill generation and remove an old comment. (Output_section::add_relaxed_input_section): New method definition. (Output_section::add_merge_input_section): Use merge section by properties map to speed to search. Update merge section maps as appropriate. (Output_section::build_relaxation_map): New method definition. (Output_section::convert_input_sections_in_list_to_relaxed_sections): Same. (Output_section::relax_input_section): Renamed to Output_section::convert_input_sections_to_relaxed_sections and change interface to take a vector of pointers to relaxed sections. (Output_section::find_merge_section, Output_section::find_relaxed_input_section): New method definitions. (Output_section::is_input_address_mapped, Output_section::output_offset, Output_section::output_address): Use output section data maps to speed up searching. (Output_section::find_starting_output_address): Add comments. (Output_section::do_write, Output_section::write_to_postprocessing_buffer): Do code-fill generation as appropriate. (Output_section::get_input_sections): Invalidate relaxed input section map. (Output_section::restore_states): Adjust type of checkpoint . Invalidate relaxed input section map. * output.h (Output_merge_base): New class declaration. (Input_section_specifier): New class defintion. (class Output_relaxed_input_section) Change base class to Output_section_data_build. (Output_relaxed_input_section::Output_relaxed_input_section): Adjust base class initializer. (Output_section::add_relaxed_input_section): New method declaration. (Output_section::Input_section): Change visibility to protected. (Output_section::Input_section::relobj, Output_section::Input_section::shndx): Handle relaxed input sections. Output_section::input_sections) Change visibility to protected. Also define overload to return a non-const pointer. (Output_section::Merge_section_properties): New class defintion. (Output_section::Merge_section_by_properties_map, Output_section::Output_section_data_by_input_section_map, Output_section::Relaxation_map): New types. (Output_section::relax_input_section): Rename method to Output_section::convert_input_sections_to_relaxed_sections and change interface to take a vector of relaxed section pointers. (Output_section::find_merge_section, Output_section::find_relaxed_input_section, Output_section::build_relaxation_map, Output_section::convert_input_sections_in_list_to_relaxed_sections): New method declarations. (Output_section::merge_section_map_ Output_section::merge_section_by_properties_map_, Output_section::relaxed_input_section_map_, Output_section::is_relaxed_input_section_map_valid_, Output_section::generate_code_fills_at_write_): New data members. * script-sections.cc (Output_section_element_input::set_section_addresses): Call current_data_size and addralign methods of relaxed input sections. (Orphan_output_section::set_section_addresses): Call current_data_size and addralign methods of relaxed input sections. * symtab.cc (Symbol_table::compute_final_value): Extract template from the body of Symbol_table::sized_finalize_symbol. (Symbol_table::sized_finalized_symbol): Call Symbol_table::compute_final_value. * symtab.h (Symbol_table::Compute_final_value_status): New enum type. (Symbol_table::compute_final_value): New templated method declaration. * target.cc (Target::do_make_output_section): New method defintion. * target.h (Target::make_output_section): New method declaration. (Target::relax): Add more parameters for input objects, symbol table and layout. Adjust call to do_relax. (Target::do_make_output_section): New method declaration. (Target::do_relax): Add parameters for input objects, symbol table and layout.
2009-10-09 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):Ian Lance Taylor1-1/+1
Change read_shndx type to unsigned int. (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned int. (Sized_dwarf_line_info::read_line_mappings): Likewise. * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info): Change read_shndx type to unsigned int. (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned int. (Sized_dwarf_line_info::read_line_mappings): Likewise. * layout.cc (Layout::create_symtab_sections): Cast the result of local_symcount * symsize to off_t in the gold_assert.
2009-09-182009-09-17 Doug Kwan <dougkwan@google.com>Doug Kwan1-54/+337
* 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.
2009-08-05*** empty log message ***Sriraman Tallam1-1/+1
2009-07-242009-07-24 Chris Demetriou <cgd@google.com>Chris Demetriou1-6/+5
* layout.cc (is_compressible_debug_section): Fix incorrect comment about compressed section names.
2009-07-17 PR 10400Ian Lance Taylor1-32/+29
* layout.h: #include <map>. (class Kept_section): Change from struct to class. Add accessors and setters. Add section size to Comdat_group mapping. Change Comdat_group to std::map. Add is_comdat_ field. Add linkonce_size field in union. (class Layout): Update declaration of find_or_add_kept_section. Don't declare find_kept_object. * layout.cc (Layout::find_or_add_kept_section): Remove candidate parameter. Add object, shndx, is_comdat, and is_group_name parameters. Change all callers. Adjust for new Kept_section. (Layout::find_kept_object): Remove. * object.cc (Sized_relobj::include_section_group): Update use of Kept_section. Rename secnum to shndx. Only record Kept_comdat_section if sections are the same size. (Sized_relobj::include_linkonce_section): Update use of Kept_section. Only record Kept_comdat_section if sections are the same size. Set size of linkonce section. (Sized_relobj::map_to_kept_section): Update call to get_kept_comdat_section. * object.h (class Sized_relobj): Rename fields in Kept_comdat_section to drop trailing underscores; change object field to Relobj*. Change Kept_comdat_section_table to store struct rather than pointer. (Sized_relobj::set_kept_comdat_section): Remove kept parameter. Add kept_object and kept_shndx parameters. Change all callers. (Sized_relobj::get_kept_comdat_section): Change return type to bool. Add kept_object and kept_shndx parameters. Change all callers. * plugin.cc (Pluginobj::include_comdat_group): Update call to Layout::find_or_add_kept_section.
2009-06-24 PR 10156Ian Lance Taylor1-7/+24
* layout.cc (Layout::choose_output_section): If we find an existing section, update the flags. (Layout::create_notes): New function, broken out of Layout::finalize. (Layout::finalize): Don't create note sections. (Layout::create_note): Don't crash if linker script discards section. (Layout::create_gold_note): Likewise. (Layout::create_build_id): Likewise. Don't set after_input_sections on the section. (Layout::create_executable_stack_info): Remove target parameter. Change caller. * layout.h (class Layout): Declare create_notes. Update declaration of create_executable_stack_info. * gold.cc (queue_middle_tasks): Call create_notes. * output.cc (Output_section::update_flags_for_input_section): Move here from output.h. If SHF_ALLOC flag is newly set, mark address invalid. * output.h (Output_data::mark_address_invalid): New function. (class Output_section): Only declare, not define, update_flags_for_input_section. Remove set_flags.
2009-06-24 PR 10156Ian Lance Taylor1-8/+8
* layout.cc (Layout::create_note): Use choose_output_section rather than make_output_section.
2009-06-24 PR 10219Ian Lance Taylor1-0/+44
* layout.cc (Layout::Layout): Initialize have_stabstr_section_. (Layout::make_output_section): Set have_stabstr_section_ if we see a .stab*str section. (Layout::finalize): Call link_stabs_sections. (Layout::link_stabs_sections): New file. * layout.h (class Layout): Add have_stabstr_section_ field. Declare link_stabs_sections.
2009-06-23 PR 10133Ian Lance Taylor1-0/+4
* stringpool.h (class Stringpool_template): Add optimize_ field. (Stringpool_template::set_optimize): New function. * stringpool.cc (Stringpool_template::Stringpool_template): Initialize optimize_ field. (Stringpool_template::set_string_offsets): Test local optimize fild rather than parameter. * layout.cc (Layout::Layout): Call set_optimize on the section name stringpool.
2009-06-22 PR 10141Ian Lance Taylor1-0/+4
* options.h (class General_options): Add -z lazy and -z now. Sort -z options into alphabetical order. * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2009-06-22 * layout.cc (Layout::make_output_section): CallIan Lance Taylor1-40/+61
Target::new_output_section. (Layout::attach_allocated_section_to_segment): Put large section sections in a separate load segment with the large segment flag set. (Layout::segment_precedes): Sort large data segments after other load segments. (align_file_offset): New static function. (Layout::set_segment_offsets): Use align_file_offset. * output.h (class Output_section): Add is_small_section_ and is_large_section_ fields. (Output_section::is_small_section): New function. (Output_section::set_is_small_section): New function. (Output_section::is_large_section): New function. (Output_section::set_is_large_section): New function. (Output_section::is_large_data_section): New function. (class Output_segment): Add is_large_data_segment_ field. (Output_segment::is_large_data_segment): New function. (Output_segment::set_is_large_data_segment): New function. * output.cc (Output_section::Output_section): Initialize new fields. (Output_segment::Output_segment): Likewise. (Output_segment::add_output_section): Add assertion that large data sections always go in large data segments. Force small data sections to the end of the list of data sections. Force small BSS sections to the start of the list of BSS sections. For large BSS sections to the end of the list of BSS sections. * symtab.h (class Symbol): Declare is_common_shndx. (Symbol::is_defined): Check Symbol::is_common_shndx. (Symbol::is_common): Likewise. (class Symbol_table): Define enum Commons_section_type. Update declarations. Add small_commons_ and large_commons_ fields. * symtab.cc (Symbol::is_common_shndx): New function. (Symbol_table::Symbol_table): Initialize new fields. (Symbol_table::add_from_object): Put small and large common symbols in the right list. (Symbol_table::sized_finalized_symbol): Check Symbol::is_common_shndx. (Symbol_table::sized_write_globals): Likewise. * common.cc (Symbol_table::do_allocate_commons): Allocate new common symbol lists. Don't call do_allocate_commons_list if the list is empty. (Symbol_table::do_allocate_commons_list): Remove is_tls parameter. Add comons_section_type parameter. Change all callers. Handle small and large common symbols. * object.cc (Sized_relobj::do_finalize_local_symbols): Check Symbol::is_common_shndx. * resolve.cc (symbol_to_bits): Likewise. * target.h (Target::small_common_shndx): New function. (Target::small_common_section_flags): New function. (Target::large_common_shndx): New function. (Target::large_common_section_flags): New function. (Target::new_output_section): New function. (Target::Target_info): Add small_common_shndx, large_common_shndx, small_common_section_flags, and large_common_section_flags fields. (Target::do_new_output_section): New virtual function. * arm.cc (Target_arm::arm_info): Initialize new fields. * i386.cc (Target_i386::i386_info): Likewise. * powerpc.cc (Target_powerpc::powerpc_info) [all versions]: Likewise. * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise. * x86_64.cc (Target_x86_64::x86_64_info): Likewise. (Target_x86_64::do_new_output_section): New function. * configure.ac: Define conditional MCMODEL_MEDIUM. * testsuite/Makefile.am (check_PROGRAMS): Add large. (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define. (large_LDFLAGS): Define. * testsuite/large.c: New file. * testsuite/testfile.cc (Target_test::test_target_info): Initialize new fields. * configure, testsuite/Makefile.in: Rebuild.
2009-06-042009-06-04 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+4
* layout.cc (Layout::section_name_mapping): Add mapping for special ARM sections.
2009-06-04 * layout.cc (Layout::section_name_mapping): New array, replacingIan Lance Taylor1-100/+61
Layout::linkonce_mapping. (Layout::section_name_mapping_count): New variable, replacing Layout::linkonce_mapping_count. (Layout::linkonce_output_name): Remove. (Layout::output_section_name): Rewrite. * layout.h (class Layout): Rename Linkonce_mapping to Section_name_mapping, linkonce_mapping to section_name_mapping, linkonce_mapping_count to section_name_mapping_count. Don't declare linkonce_output_name.
2009-04-24 * incremental.cc (Incremental_inputs_header_data): Renamed fromIan Lance Taylor1-2/+45
Incremental_input_header_data. (Incremental_inputs_header_data::data_size): New field. (Incremental_inputs_header_data::put_input_file_count): Renamed from input_file_count. (Incremental_inputs_header_data::put_command_line_offset): Renamed from command_line_offset. (Incremental_inputs_header_data::put_reserved): Renamed from put_reserved. (Incremental_inputs_entry_data): Renamed from Incremental_input_entry_data. (Incremental_inputs_entry_data::data_size): New field. (Incremental_inputs::report_command_line): New method. (Incremental_inputs::finalize): New method. (Incremental_inputs::create_incremental_inputs_data): New method. (Incremental_inputs::sized_create_incremental_inputs_data): New method. * incremental.h: New file. * layout.cc (Layout::Layout): Handle new incremental_inputs_. (Layout::finalize): Create incremental inputs section in incremental builds. (Layout::create_incremental_info_sections): New method. * layout.h (Layout::incremental_inputs): New method. (Layout::create_incremental_info_sections): New method. (Layout::incremental_inputs_): New field. * main.cc (main): Notify Incremental_input of the command line.
2009-04-02 * gold.h (reserve_unordered_map): Define, three versions, one forIan Lance Taylor1-26/+44
each version of Unordered_map. * layout.cc (Layout::Layout): Remove options parameter. Add number_of_input_files parameter. Don't initialize options_. Initialize number_of_input_files_ and resized_signatures_. Move sections_are_attached_. (Layout::layout_group): Reserve space for group_signatures_. (Layout::find_or_add_kept_section): Change name parameter to be a reference. Resize signatures_ map when it gets large enough. (Layout::layout_eh_frame): Use parameters->options() instead of this->options_. (Layout::make_output_section): Likewise. (Layout::attach_allocated_section_to_segment): Likewise. (Layout::finalize, Layout::create_executable_stack): Likewise. (Layout::set_segment_offsets, Layout::create_interp): Likewise. (Layout::finish_dynamic_section, Layout::write_binary): Likewise. * layout.h (class Layout): Update declarations. Remove options_ field. Add number_of_input_files_ and resized_signatures_ fields. Move sections_are_attached_ field. * main.cc (main): Pass number of input files to Layout constructor. Don't pass options.
2009-03-192009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>Paul Pluzhnikov1-0/+5
* layout.cc (Layout::output_section_name): Preserve names of '.note.' sections.
2009-03-172009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>Paul Pluzhnikov1-4/+7
* layout.h (Layout::create_note): Add section_name parameter. * layout.cc (Layout::create_note): Likewise. (Layout::create_build_id, Layout::create_gold_note): Fix callers.