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2010-02-13 * output.h (Output_reloc<SHT_REL>::Output_reloc): AddDavid S. Miller1-33/+134
is_symbolless parameter. (Output_reloc<SHT_REL>::is_symbolless): New. (Output_reloc<SHT_REL>::is_symbolless_): New. (Output_reloc<SHT_REL>::type_): Decrease to 29 bits. (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter. (Output_reloc<SHT_RELA>::is_symbolless): New. (Output_data_reloc::add_global): Handle is_symbolless. (Output_data_reloc::add_global_relative): Likewise. (Output_data_reloc::add_local): Likewise. (Output_data_reloc::add_local_relative): Likewise. (Output_data_reloc::add_symbolless_global_addend): New. (Output_data_reloc::add_symbolless_local_addend): New. * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle is_symbolless. (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_ instead of ->is_relative_ (Output_reloc::write): Likewise. (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_ (Output_reloc::write_rel): Simplify. * sparc.cc (Target_sparc::Scan::local): Use ->add_symbolless_local_addend as needed. (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as needed. Also, emit appropriate unaligned vs. aligned dynamic reloc based upon relocation offset.
2010-02-09 * output.h (Output_data_dynamic::add_section_size): New methodDavid S. Miller1-1/+21
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 Kwan1-3/+24
* 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.
2010-01-202010-01-20 Doug Kwan <dougkwan@google.com>Doug Kwan1-70/+9
* arm.cc (Target_arm::Arm_input_section_map): Change key type from Input_section_specifier to Section_id. (Target_arm::new_arm_input_section: Adjust code for change of key type. (Target_arm::find_arm_input_section): Ditto. * gc.h (object.h): Include for Section_id nand Section_id_hash. (Section_id): Remove. (Garbage_collection::Section_id_hash): Remove. * icf.h (object.h): Include for Section_id nand Section_id_hash. (Section_id): Remove. (Icf::Section_id_hash): Remove. * object.h (Section_id, Const_section_id, Section_id_hash, Const_section_id_hash): New type definitions. * output.cc (Output_section::add_relaxed_input_section): Change to use Const_section_id instead of Input_section_specifier as key type. (Output_section::add_merge_input_section): Ditto. (Output_section::build_relaxation_map): Change to use Section_id instead of Input_section_specifier as key type. (Output_section::convert_input_sections_in_list_to_relaxed_sections): Ditto. (Output_section::convert_input_sections_to_relaxed_sections): Change to use Const_section_id instead of Input_section_specifier as key type. (Output_section::find_merge_section): Ditto. (Output_section::find_relaxed_input_section): Ditto. * output.h (Input_section_specifier): Remove class. (Output_section::Output_section_data_by_input_section_map): Change key type to Const_section_id. (Output_section::Output_relaxed_input_section_by_input_section_map): Ditto. (Output_section::Relaxation_map): Change key type to Section_id.
2010-01-08 PR 10287Ian Lance Taylor1-8/+135
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 Taylor1-6/+46
* 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/+16
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.
2010-01-06 PR 10980Ian Lance Taylor1-2/+13
* 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.
2009-12-30 * layout.cc (Layout::Layout): Initialize increase_relro_.Ian Lance Taylor1-3/+37
(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 Taylor1-0/+2
* output.h (class Output_section): Add is_entsize_zero_ field. * output.cc (Output_section::Output_section): Initialize is_entsize_zero_. (Output_section::set_entsize): If two different entsizes are requested, force it to zero. (Output_section::add_input_section): Set flags for .debug_str before updating section flags. Set entsize. (Output_section::update_flags_for_input_section): Set SHF_MERGE and SHF_STRING if all input sections have those flags.
2009-12-172009-12-16 Doug Kwan <dougkwan@google.com>Doug Kwan1-2/+9
* arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated sections. * object.cc (Sized_relobj::do_finalize_local_symbols): Handle relaxed input sections. * output.cc (Output_section::find_relaxed_input_section): Change return type to Output_relaxed_input_section pointer. Adjust code for new type of relaxed_input_section_map_. * output.h (Output_section::find_relaxed_input_section): Change return type to Output_relaxed_input_section pointer. (Output_section::Output_relaxed_input_section_by_input_section_map): New type. (Output_section::relaxed_input_section_map_): Change type to Output_section::Output_relaxed_input_section_by_input_section_map. * symtab.cc (Symbol_table::compute_final_value): Handle relaxed input section.
2009-12-14 Revert -Wshadow changes, all changes from:Ian Lance Taylor1-149/+149
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 Clifton1-149/+149
Fix up all warnings generated by the addition of this switch.
2009-12-032009-12-02 Rafael Avila de Espindola <espindola@google.com>Rafael Ávila de Espíndola1-0/+5
* incremental.cc (make_sized_incremental_binary): Set the target. Error if it is incompatible. * output.h (Output_file): Add filename method.
2009-11-04 * layout.cc (Layout::get_output_section): Add is_interp andIan Lance Taylor1-5/+34
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.
2009-10-212009-10-21 Doug Kwan <dougkwan@google.com>Doug Kwan1-13/+4
* arm.cc: Update copyright comments. (Target_arm): New forward class template declaration. (Arm_address): New type. (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET, THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET, THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New constants. (Insn_template): Same. (DEF_STUBS): New macro. (Stub_type): New enum type. (Stub_template): New class definition. (Stub): Same. (Reloc_stub): Same. (Stub_factory): Same. (Target_arm::Target_arm): Initialize may_use_blx_ and should_force_pic_veneer_. (Target_arm::may_use_blx, Target_arm::set_may_use_blx, Target_arm::should_force_pic_veneer, Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2, Target_arm::using_thumb_only, Target_arm:;default_target): New method defintions. (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_): New data member declarations. (Insn_template::size, Insn_template::alignment): New method defintions. (Stub_template::Stub_template): New method definition. (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc, Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same. (Stub_factory::Stub_factory): New method definition. * gold.h (string_hash): New template. * output.h (Input_section_specifier::hash_value): Use gold::string_hash. (Input_section_specifier::string_hash): Remove. * stringpool.cc (Stringpool_template::string_hash): Use gold::string_hash.
2009-10-212009-10-20 Doug Kwan <dougkwan@google.com>Doug Kwan1-5/+5
* object.cc (Sized_relobj::do_finalize_local_symbols): Handle section symbols of relaxed input sections. * output.h (Output_section::find_relaxed_input_section): Make method public.
2009-10-092009-10-09 Doug Kwan <dougkwan@google.com>Doug Kwan1-15/+210
* 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.
2009-10-09elfcpp/:Ian Lance Taylor1-0/+5
* elfcpp_file.h: Fix header guard. Include <cstdio>. (class Elf_recognizer): New class, code from gold/object.cc. (Elf_file::find_section_by_type): New method. gold/: * incremental.cc: Include <cstdarg> and "target-select.h". (vexplain_no_incremental): New function. (explain_no_incremental): New function. (Incremental_binary::error): New method. (Sized_incremental_binary::do_find_incremental_inputs_section): New method. (make_sized_incremental_binary): New function. (open_incremental_binary): New function. (can_incrementally_link_file): Add checks if output is ELF and has inputs section. * incremental.h: Include "elfcpp_file.h" and "output.h". (Incremental_binary): New class. (Sized_incremental_binary): New class. (open_incremental_binary): Declare. * object.cc (is_elf_object): Use elfcpp::Elf_recognizer::is_elf_file. (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header. * output.h (Output_file::filesize): New method.
2009-09-182009-09-17 Doug Kwan <dougkwan@google.com>Doug Kwan1-23/+342
* 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.
2009-09-01 * output.cc (Output_file::open_for_modification): New method.Ian Lance Taylor1-4/+17
(Output_file::map_anonymous): Changed return type to bool. Record map in base_ field. (Output_file::map_no_anonymous): New method, broken out of map. (Output_file::map): Use map_no_anonymous and map_anonymous. * output.h (class Output_file): Update declarations.
2009-06-24 PR 10156Ian Lance Taylor1-14/+8
* 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.
2009-06-22 * layout.cc (Layout::make_output_section): CallIan Lance Taylor1-0/+44
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.
2009-03-24 * output.cc (Output_file::map_anonymous): Define.Ian Lance Taylor1-1/+5
(Output_file::map): Use map_anonymous. If the regular mmap fails, try an anonymous one. Report the size if the mmap fails. * output.h (class Output_file): Declare map_anonymous.
2009-02-28 PR 7091Ian Lance Taylor1-7/+9
* output.cc (Output_section::find_starting_output_address): Rename from starting_output_address; add PADDR parameter; change return type. * output.h (class Output_section): Declare find_starting_output_address instead of starting_output_address. * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a section symbol for which we can't find a merge section.
2008-09-29 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.Cary Coutant1-1/+3
* object.cc (Sized_relobj::do_layout): Use constant invalid_address instead of -1U. (Sized_relobj::do_finalize_local_symbols): Likewise. (Sized_relobj::map_to_kept_section): Likewise. * object.h (Sized_relobj::invalid_address): New constant. (Sized_relobj::do_output_section_offset): Check for invalid_address and return -1ULL. * output.cc (Output_reloc::local_section_offset): Use constant invalid_address instead of -1U. (Output_reloc::get_address): Likewise. (Output_section::output_address): Change -1U to -1ULL. * output.h (Output_reloc::invalid_address): New constant. * reloc.cc (Sized_relobj::write_sections): Use constant invalid_address instead of -1U. (Sized_relobj::relocate_sections): Likewise. * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol values for merge sections. * target-reloc.h (relocate_for_relocatable): Use constant invalid_address instead of -1U.
2008-08-13 * layout.cc (Layout::attach_allocated_section_to_segment): Don'tIan Lance Taylor1-0/+5
set tls_segment_ or relro_segment_. (Layout::make_output_segment): Set tls_segment_ and relro_segment_ when appropriate. * output.h (Output_section::clear_is_relro): New function. * output.cc (Output_segment::add_output_section): Handle SHF_TLS sections specially even when output_data_ is empty. (Output_segment::maximum_alignment): When first section is relro, only force alignment for PT_LOAD segments. * script.cc (script_data_segment_align): New function. (script_data_segment_relro_end): New function. * script-c.h (script_data_segment_align): Declare. (script_data_segment_relro_end): Declare. * script-sections.h (class Script_sections): Declare data_segment_align and data_segment_relro_end. Add fields segment_align_index_ and saw_relro_end_. * script-sections.cc (class Sections_element): Add set_is_relro virtual function. Add new bool* parameter to place_orphan_here. Add get_output_section virtual function. (class Output_section_definition): Add set_is_relro. Add new bool* parameter to place_orphan_here. Add get_output_section. Add is_relro_ field. (Output_section_definition::Output_section_definition): Initialize evaluated_address_, evaluated_load_address, evaluated_addralign_, and is_relro_ fields. (Output_section_definition::place_orphan_here): Add is_relro parameter. (Output_section_definition::set_section_addresses): Set relro for output section. (Output_section_definition::alternate_constraint): Likewise. (class Orphan_output_section): Add new bool* parameter to place_orphan_here. Add get_output_section. (Orphan_output_section::place_orphan_here): Add is_relro parameter. (Script_sections::Script_sections): Initialize data_segment_align_index_ and saw_relro_end_. (Script_sections::data_segment_align): New function. (Script_sections::data_segment_relro_end): New function. (Script_sections::place_orphan): Set or clear is_relro. (Script_sections::set_section_addresses): Force alignment of first TLS section. * yyscript.y (exp): Call script_data_segment_align and script_data_segment_relro_end. * testsuite/relro_script_test.t: New file. * testsuite/relro_test.cc (using_script): Declare. (t1, t2): Test using_script. * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test. (relro_script_test_SOURCES): Define. (relro_script_test_DEPENDENCIES): Define. (relro_script_test_LDFLAGS): Define. (relro_script_test_LDADD): Define. (relro_script_test.so): New target. * testsuite/Makefile.in: Rebuild.
2008-07-10 Handle output sections with more than 0x7fffffff bytes.Ian Lance Taylor1-14/+24
* object.h (class Relobj): Change map_to_output_ to output_sections_, and just keep a section pointer. Change all uses. Move comdat group support to Sized_relobj. (Relobj::is_section_specially_mapped): Remove. (Relobj::output_section): Remove poff parameter. Change all callers. (Relobj::output_section_offset): New function. (Relobj::set_section_offset): Rewrite. (Relobj::map_to_output): Remove. (Relobj::output_sections): New function. (Relobj::do_output_section_offset): New pure virtual function. (Relobj::do_set_section_offset): Likewise. (class Sized_relobj): Add section_offsets_ field. Add comdat group support from Relobj. Update declarations. (Sized_relobj::get_output_section_offset): New function. (Sized_relobj::do_output_section_offset): New function. (Sized_relobj::do_set_section_offset): New function. * object.cc (Relobj::output_section_address): Remove. (Sized_relobj::Sized_relobj): Initialize new fields. (Sized_relobj::include_section_group): Cast find_kept_object to Sized_relobj. (Sized_relobj::include_linkonce_section): Likewise. (Sized_relobj::do_layout): Use separate arrays for output section and output offset. (Sized_relobj::do_count_local_symbols): Change map_to_output to output_sections. (Sized_relobj::do_finalize_local_symbols): Change map_to_output to output_sections and section_offsets. (Sized_relobj::write_local_symbols): Likewise. (map_to_kept_section): Compute output address directly. * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to output_sections and section_offsets. (Sized_relobj::write_sections): Likewise. (Sized_relobj::relocate_sections): Likewise. * symtab.cc (sized_finalize_symbol): Use output_section_offset. * output.h (class Output_reloc): Update declarations. Change u2_.relobj to Sized_relobj*. (class Output_data_reloc): Change add functions to use Sized_relobj*. * output.cc (Output_reloc::Output_reloc): Change relobj to Sized_relobj*. (Output_reloc::local_section_offset): Change return type to Elf_Addr. Use get_output_section_offset. (Output_reloc::get_address): Likewise. (Output_section::is_input_address_mapped): Don't call is_section_specially_mapped. (Output_section::output_offset): Likewise. (Output_section::output_address): Likewise. (Output_section::starting_output_address): Likewise. * copy-relocs.cc (Copy_relocs::copy_reloc): Change object parameter to Sized_relobj*. (Copy_relocs::need_copy_reloc): Likewise. (Copy_relocs::save): Likewise. * copy-relocs.h (class Copy_relocs): Update declarations. (class Copy_relocs::Copy_reloc_entry): Change constructor to use Sized_relobj*. Change relobj_ field to Sized_relobj*. * target-reloc.h (relocate_for_relocatable): Change offset_in_output_section type to Elf_Addr. Change code that uses it as well. * layout.cc (Layout::layout): Always set *off. * mapfile.cc (Mapfile::print_input_section): Use output_section_offset. * i386.cc (Target_i386::copy_reloc): Change object parameter to Sized_relobj*. * powerpc.cc (Target_powerpc::copy_reloc): Likewise. * sparc.cc (Target_sparc::copy_reloc): Likewise. * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2008-06-18 * output.h (Output_section::Input_section): Initialize p2align_ toIan Lance Taylor1-3/+4
zero for Output_section_data constructors. (Output_section::Input_section::addralign): If not an input section, return the alignment of the Output_section_data. * testsuite/copy_test.cc: New file. * testsuite/copy_test_1.cc: New file. * testsuite/copy_test_2.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add copy_test. (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables. (copy_test_LDFLAGS, copy_test_LDADD): New variables. (copy_test_1_pic.o, copy_test_1.so): New targets. (copy_test_2_pic.o, copy_test_2.so): New targets. * testsuite/Makefile.in: Rebuild.
2008-05-21 * mapfile.cc: New file.Ian Lance Taylor1-6/+149
* mapfile.h: New file. * options.h (class General_options): Add -M/--print-map and -Map. * options.cc (General_options::finalize): Make -M equivalent to -Map -. * main.cc: Include <cstdio> and "mapfile.h". (main): Open mapfile if requested. * gold.cc (class Middle_runner): Add mapfile_ field. Update constructor. Change caller. (queue_initial_tasks): Add mapfile parameter. Change caller. (queue_middle_tasks): Likewise. * gold.h (queue_initial_tasks, queue_middle_tasks): Update declarations. * archive.cc: Include "mapfile.h". (Archive::add_symbols): Add mapfile parameter. Change all callers. Pass mapfile, symbol, and reason to include_member. (Archive::include_all_members): Add mapfile parameter. Change all callers. (Archive::include_member): Add mapfile, sym, and why parameters. Change all callers. Report inclusion to map file. * archive.h: Include "fileread.h". (class Archive): Update declarations. (Archive::file): New const method. (class Add_archive_symbols): Add mapfile_ field. Update constructor. Change all callers. * readsyms.h (class Read_symbols): Likewise. (class Finish_group): Likewise. (class Read_script): Likewise. * common.cc: Include "mapfile.h". (Symbol_table::allocate_commons): Add mapfile parameter. Change all callers. (Symbol_table::do_allocate_commons): Likewise. (Symbol_table::do_allocate_commons_list): Likewise. Report common symbol allocation to mapfile. * common.h (class Allocate_commons_task): Add mapfile_ field. Update constructor. Change all callers. * symtab.h (class Symbol_table): Update declarations. * layout.cc: Include "mapfile.h". (Layout_task_runner::run): Print information to mapfile. (Layout::create_gold_note): Change Output_data_fixed_space to Output_data_zero_fill. (Layout::create_build_id): Likewise. (Layout::print_to_mapfile): New function. * layout.h (class Layout_task_runner): Add mapfile_ field. Update constructor. Change caller. (class Layout): Declare print_to_mapfile. * output.cc (Output_section::Input_section::print_to_mapfile): New function. (Output_section::add_input_section): If producing a map, always add to input_sections_ list. (Output_section::do_print_to_mapfile): New function. (Output_segment::print_sections_to_mapfile): New function. (Output_segment::print_section_list_to_mapfile): New function. * output.h: Include "mapfile.h". (Output_data::print_to_mapfile): New function. (Output_data::do_print_to_mapfile): New virtual function. (Output_segment_headers::do_print_to_mapfile): New function. (Output_file_header::do_print_to_mapfile): New function. (Output_data_const::do_print_to_mapfile): New function. (class Output_data_const_buffer): Add map_name_ field. Update constructor. Change all callers. Add do_print_to_mapfile function. (class Output_data_fixed_space): Likewise. (class Output_data_space): Likewise. (class Output_data_zero_fill): New class. (Output_data_strtab::do_print_to_mapfile): New function. (Output_data_reloc_base::do_print_to_mapfile): New function. (Output_relocatable_relocs::do_print_to_mapfile): New function. (Output_data_group::do_print_to_mapfile): New function. (Output_data_got::do_print_to_mapfile): New function. (Output_data_dynamic::do_print_to_mapfile): New function. (Output_symtab_xindex::do_print_to_mapfile): New function. (class Output_section): Declare do_print_to_mapflie. Declare print_to_mapfile in Input_section. (class Output_segment): Declare new functions. * object.h (Sized_relobj::symbol_count): New function. * script-sections.cc (Output_section_element_dot_assignment::set_section_addresses): Change Output_data_fixed_space to Output_data_zero_fill. (Output_data_expression::do_print_to_mapfile): New function. * script.cc (read_input_script): Add mapfile parameter. Change all callers. * script.h (read_input_script): Update declaration. * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function. (Eh_frame::do_print_to_mapfile): New function. * merge.h (Output_merge_data::do_print_to_mapfile): New function. (Output_merge_string::do_print_to_mapfile): New function. * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New function. * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New function. * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New function. * Makefile.am (CCFILES): Add mapfile.cc. (HFILES): Add mapfile.h. * Makefile.in: Rebuild.
2008-05-20 * options.h (class General_options): Add -z relro.Ian Lance Taylor1-1/+32
* layout.cc (Layout::Layout): Initialize relro_segment_. (Layout::add_output_section_data): Return the output section. (Layout::make_output_section): Rcognize relro sections and mark them appropriately. (Layout::attach_allocated_section_to_segment): Put relro sections in a PT_GNU_RELRO segment. (Layout::create_initial_dynamic_sections): Mark the .dynamic section as relro. (Layout::segment_precedes): Sort PT_GNU_RELRO segments after PT_TLS segments. (Layout::linkonce_mapping): Map d.rel.ro.local to .data.rel.ro.local. (Layout::output_section_name): Us .data.rel.ro.local for any section which begins with that. * layout.h (class Layout): Update add_output_section_data declaration. Add relro_segment_ field. * output.cc (Output_section::Output_section): Initialize is_relro_ and is_relro_local_ fields. (Output_segment::add_output_section): Group relro sections. (Output_segment::is_first_section_relro): New function. (Output_segment::maximum_alignment): If there is a relro section, align the segment to the common page size. (Output_segment::set_section_addresses): Track whether we are looking at relro sections. If the last section is a relro section, align to the common page size. (Output_segment::set_section_list_addresses): Add in_relro parameter. Change all callers. Align to the page size when moving from relro to non-relro section. (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO segment. * output.h (class Output_section): Add is_relro_ and is_relro_local_ fields. (Output_section::is_relro): New function. (Output_section::set_is_relro): New function. (Output_section::is_relro_local): New function. (Output_section::set_is_relro_local): New function. (class Output_segment): Update declarations. * i386.cc (Target_i386::got_section): Mark .got section as relro. * sparc.cc (Target_sparc::got_section): Likewise. * x86_64.cc (Target_x86_64::got_section): Likewise. * testsuite/relro_test_main.cc: New file. * testsuite/relro_test.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add relro_test. (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables. (relro_test_LDFLAGS, relro_test_LDADD): New variables. (relro_test.so, relro_test_pic.o): New targets. * testsuite/Makefile.in: Rebuild.
2008-05-16 * output.cc (Output_segment::add_output_section): Remove frontIan Lance Taylor1-12/+1
parameter. * output.h (class Output_segment): Remove add_initial_output_section and overloaded add_output_section. Update declaration of remaining add_output_section. * layout.cc (Layout::create_interp): Call add_output_section rather than add_initial_output_section. (Layout::finish_dynamic_section): Likewise.
2008-05-16 * output.cc (Output_reloc::get_address): Change return type toIan Lance Taylor1-1/+1
Elf_Addr. * output.h (class Output_reloc): Update get_address declaration. * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types for section addresses.
2008-05-06Correct last patch.Ian Lance Taylor1-2/+2
2008-05-062008-05-05 Ian Lance Taylor <iant@google.com>Ian Lance Taylor1-6/+51
* options.h (DEFINE_bool): For DASH_Z, create the negative option as noVARNAME rather than no-VARNAME. (class General_options): Add option -z combreloc. * output.h (class Output_reloc) [SHT_REL]: Declare compare and get_address. (Output_reloc::sort_before) [SHT_REL]: New function. (Output_reloc::sort_before) [SHT_RELA]: New function. (class Output_data_reloc_base): Add sort_relocs_ field. Define Sort_relocs_comparison. (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs parameter. Change all callers. (Output_data_reloc::Output_data_reloc) [both versions]: Add sort_relocs parameter. Change all callers. * output.cc (Output_reloc::get_address): New function, broken out of write_rel. (Output_reloc::write_rel): Call it. (Output_reloc::compare): New function. (Output_data_reloc_base::do_write): Optionally sort relocs.
2008-05-05 * object.cc (Sized_relobj::include_section_group): Adjust sectionIan Lance Taylor1-2/+4
indexes read from group data. Build vector to pass to layout_group. * layout.cc (Layout::layout_group): Add flags and shndxes parameters. Remove contents parameter. Change caller. Update explicit instantiations. * layout.h (class Layout): Update layout_group declaration. * output.cc (Output_data_group::Output_data_group): Add flags and input_shndxes parameters. Remove contents parameter. Change caller. (Output_data_group::do_write): Change input_sections_ to input_shndxes_. * output.h (class Output_data_group): Update constructor declaration. Rename input_sections_ to input_shndxes_. * testsuite/many_sections_test.cc: Add template.
2008-04-19 * object.cc (Xindex::initialize_symtab_xindex): New function.Ian Lance Taylor1-1/+43
(Xindex::read_symtab_xindex): New function. (Xindex::sym_xindex_to_shndx): New function. (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if available. (Sized_relobj::do_initialize_xindex): New function. (Sized_relobj::do_read_symbols): Adjust section links. (Sized_relobj::symbol_section_and_value): Add is_ordinary parameter. Change all callers. (Sized_relobj::include_section_group): Adjust section links and symbol section indexes. (Sized_relobj::do_layout): Adjust section links. (Sized_relobj::do_count_local_symbols): Adjust section links and symbol section indexes. (Sized_relobj::do_finalize_local_symbols): Distinguish between ordinary and special symbols. (Sized_relobj::write_local_symbols): Add symtab_xindex and dynsym_xindex parameters. Change all callers. Adjust section links. Use SHN_XINDEX when needed. (Sized_relobj::get_symbol_location_info): Adjust section links. Don't get fooled by special symbols. * object.h (class Xindex): Define. (class Object): Add xindex_ parameter. Declare virtual functoin do_initialize_xindex. (Object::adjust_sym_shndx): New function. (Object::set_xindex): New protected function. (class Symbol_value): Add is_ordinary_shndx_ field. (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_. (Symbol_value::value): Assert ordinary section. (Symbol_value::initialize_input_to_output_map): Likewise. (Symbol_value::set_input_shndx): Add is_ordinary parameter. Change all callers. (Symbol_value::input_shndx): Add is_ordinary parameter. Change all callers. (class Sized_relobj): Update declarations. (Sized_relobj::local_symbol_input_shndx): Add is_ordinary parameter. Change all callers. (Sized_relobj::adjust_shndx): New function. * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_ field. (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section for SHT_DYNSYM section if available. Set dynsym_shndx_ field. (Sized_dynobj::read_dynsym_section): Adjust section links. (Sized_dynobj::read_dynamic): Likewise. (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust section links. (Sized_dynobj::do_initialize_xindex): New function. * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare do_initialize_xindex. (Sized_dynobj::adjust_shndx): New function. * layout.cc (Layout::Layout): Initialize symtab_xindex_ and dynsym_xindex_ fields. (Layout::finalize): Add a call to set_section_indexes before creating the symtab sections. (Layout::set_section_indexes): Don't do anything if the section already has a section index. (Layout::create_symtab_sections): Add shnum parameter. Change caller. Create .symtab_shndx section if needed. (Layout::create_shdrs): Add shstrtab_section parameter. Change caller. (Layout::allocated_output_section_count): New function. (Layout::create_dynamic_symtab): Create .dynsym_shndx section if needed. * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_ fields. Update declarations. (Layout::symtab_xindex): New function. (Layout::dynsym_xindex): New function. (class Write_symbols_task): Add layout_ field. (Write_symbols_task::Write_symbols_task): Add layout parameter. Change caller. * output.cc (Output_section_headers::Output_section_headers): Add shstrtab_section parameter. Change all callers. (Output_section_headers::do_sized_write): Store overflow values for section count and section string table section index in section header zero. (Output_file_header::do_sized_write): Check for overflow of section count and section string table section index. (Output_symtab_xindex::do_write): New function. (Output_symtab_xindex::endian_do_write): New function. * output.h (class Output_section_headers): Add shstrtab_section_. Update declarations. (class Output_symtab_xindex): Define. (Output_section::has_out_shndx): New function. * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_ field. (Symbol::init_base): Add st_shndx and is_ordinary parameters. Change all callers. (Sized_symbol::init): Likewise. (Symbol::output_section): Check for ordinary symbol. (Symbol_table::add_from_object): Remove orig_sym parameter. Add st_shndx, is_ordinary, and orig_st_shndx parameters. Change all callers. (Symbol_table::add_from_relobj): Add symndx_offset parameter. Change all callers. Simplify handling of symbols from sections not included in the link. (Symbol_table::add_from_dynobj): Handle ordinary symbol distinction. (Weak_alias_sorter::operator()): Assert that symbols are ordinary. (Symbol_table::sized_finalize_symbol): Handle ordinary symbol distinction. (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex parameters. Change all callers. (Symbol_table::sized_write_globals): Likewise. Handle ordinary symbol distinction. Use SHN_XINDEX when needed. (Symbol_table::write_section_symbol): Add symtab_xindex parameter. Change all callers. (Symbol_table::sized_write_section_symbol): Likewise. Use SHN_XINDEX when needed. * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update declarations. (Symbol::shndx): Add is_ordinary parameter. Change all callers. (Symbol::is_defined): Check is_ordinary. (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise. (Symbol::is_absolute, Symbol::is_common): Likewise. (class Sized_symbol): Update declarations. (class Symbol_table): Update declarations. * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary parameters. Change all callers. (Sized_symbol::override): Likewise. (Symbol_table::override): Likewise. (symbol_to_bits): Add is_ordinary parameter. Change all callers. (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx, is_ordinary, and orig_st_shndx parameters. Change all callers. * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol to be in an ordinary section. * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add object and is_ordinary parameters. Change all callers. (Sized_dwarf_line_info::read_relocs): Add object parameter. Change all callers. Don't add undefined or non-ordinary symbols to reloc_map_. (Sized_dwarf_line_info::read_line_mappings): Add object parameter. Change all callers. * dwarf_reader.h (class Sized_dwarf_line_info): Update declarations. * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol. * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links. (Sized_relobj::relocate_sections): Likewise. * target-reloc.h (scan_relocs): Adjust section symbol index. (scan_relocatable_relocs): Likewise. * i386.cc (Scan::local): Check for ordinary symbols. * sparc.cc (Scan::local): Likewise. * x86_64.cc (Scan::local): Likewise. * testsuite/binary_unittest.cc (Sized_binary_test): Update calls to symbol_section_and_value. * testsuite/many_sections_test.cc: New file. * testsuite/Makefile.am (BUILT_SOURCES): Define. (check_PROGRAMS): Add many_sections_test. (many_sections_test_SOURCES): Define. (many_sections_test_DEPENDENCIES): Define. (many_sections_test_LDFLAGS): Define. (BUILT_SOURCES): Add many_sections_define.h. (many_sections_define.h): New target. (BUILT_SOURCES): Add many_sections_check.h. (many_sections_check.h): New target. (check_PROGRAMS): Add many_sections_r_test. (many_sections_r_test_SOURCES): Define. (many_sections_r_test_DEPENDENCIES): Define. (many_sections_r_test_LDFLAGS): Define. (many_sections_r_test_LDADD): Define. (many_sections_r_test.o): New target. * testsuite/Makefile.in: Rebuild.
2008-04-16 * copy-relocs.cc: New file.Ian Lance Taylor1-0/+18
* copy-relocs.h: New file. * reloc.cc: Remove Copy_relocs code. * reloc.h: Likewise. * reloc-types.h (struct Reloc_types) [both versions]: Add get_reloc_addend_noerror. * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add variants of add_global which take an addend which must be zero. * i386.cc: Include "copy-relocs.h". (class Target_i386): Change type of copy_relocs_ to variable, update initializer. (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class. Change all callers. (Target_i386::do_finalize_sections): Change handling of copy_relocs_. * sparc.cc: Include "copy-relocs.h". (class Target_sparc): Change type of copy_relocs_ to variable, update initializer. (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class. Change all callers. (Target_sparc::do_finalize_sections): Change handling of copy_relocs_. * x86_64.cc: Include "copy-relocs.h". (class Target_x86_64): Change type of copy_relocs_ to variable, update initializer. (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs class. Change all callers. (Target_x86_64::do_finalize_sections): Change handling of copy_relocs_. * Makefile.am (CCFILES): Add copy-relocs.cc. (HFILES): Add copy-relocs.h.
2008-04-15 * layout.cc (Layout::Layout): Initialize sections_are_attached_.Ian Lance Taylor1-0/+10
(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR in the name/type/flags to section mapping. Don't call allocate_output_section. (Layout::choose_output_section): Change parameter from adjust_name to is_input_section. Don't permit input sections after sections are attached to segments. Don't call allocate_output_section. (Layout::layout_eh_frame): Call update_flags_for_input_section, not write_enable_output_section. (Layout::make_output_section): Don't push to unattached_section_list_ nor call attach_to_segment. Call attach_section_to_segment if sections are attached. (Layout::attach_sections_to_segments): New function. (Layout::attach_section_to_segment): New function. (Layout::attach_allocated_section_to_segment): Rename from attach_to_segment. Remove flags parameter. (Layout::allocate_output_section): Remove function. (Layout::write_enable_output_section): Remove function. * layout.h (class Layout): Update for above changes. Add new field sections_are_attached_. * output.h (Output_section::update_flags_for_input_section): New function. * output.cc (Output_section::add_input_section): Call update_flags_for_input_section. * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2008-04-11 * output.h (class Output_section_data): Remove inline definitionIan Lance Taylor1-2/+1
of set_addralign. * output.cc (Output_section_data::set_addralign): New function.
2008-04-112008-04-11 Cary Coutant <ccoutant@google.com>Cary Coutant1-15/+30
Add support for TLS descriptors for i386 and x86_64. * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function. (Target_i386::Relocate::tls_desc_gd_to_le): New function. (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and GOT_TYPE_TLS_DESC. (Target_i386::got_mod_index_entry): Remove unnecessary code. (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec relocations. (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation. Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations; Fix problem with initial-exec relocations. (Target_i386::Relocate::relocate_tls): Likewise. (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE relaxation. * output.cc (Output_data_dynamic::Dynamic_entry::write): Add support for section-plus-offset dynamic table entries. * output.h (Output_data_dynamic::add_section_plus_offset): New function. (Output_data_dynamic::Dynamic_entry): Add support for section-plus-offset dynamic table entries. (Output_data_dynamic::Classification): Likewise. (Output_data_dynamic::classification_): Renamed offset_. * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function. (Target_x86_64::Relocate::tls_desc_gd_to_le): New function. (Target_x86_64::make_plt_section): New function. (Target_x86_64::reserve_tlsdesc_entries): New function. (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter. (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function. (Output_data_plt_x86_64::has_tlsdesc_entry): New function. (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function. (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function. (Output_data_plt_x86_64::tlsdesc_plt_entry): New field. (Output_data_plt_x86_64::set_final_data_size): Move out of line; add extra PLT entry for TLS descriptors. (Output_data_plt_x86_64::got_): New field. (Output_data_plt_x86_64::tlsdesc_got_offset_): New field. (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new fields. (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS descriptors. (Target_x86_64::make_plt_entry): Factor out make_plt_section. (Target_x86_64::got_mod_index_entry): Remove unnecessary code. (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::do_finalize_sections): Add dynamic table entries for TLS descriptors. (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation. Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE relaxation. * configure.ac: Export new conditional variables TLS_GNU2_DIALECT and TLS_DESCRIPTORS. * Makefile.in: Rebuild. * configure: Rebuild. * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target. (tls_test_shared2.so): New target. (tls_shared_gd_to_ie_test_SOURCES): New variable. (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable. (tls_shared_gd_to_ie_test_LDFLAGS): New variable. (tls_shared_gd_to_ie_test_LDADD): New variable. (tls_shared_gnu2_gd_to_ie_test): New target. (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so): New targets. (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable. (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable. (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable. (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable. (tls_shared_gnu2_test): New target. (tls_test_gnu2_shared.so): New target. (tls_shared_gnu2_test_SOURCES): New variable. (tls_shared_gnu2_test_DEPENDENCIES): New variable. (tls_shared_gnu2_test_LDFLAGS): New variable. (tls_shared_gnu2_test_LDADD): New variable. * testsuite/Makefile.in: Rebuild. * testsuite/Makefile.
2008-04-07 * output.cc (Output_reloc<SHT_REL>::local_section_offset): AddIan Lance Taylor1-3/+5
addend parameter. Change caller. Handle merge sections. (Output_reloc<SHT_REL>::symbol_value): Change parameter type from Address to Addend. Don't add in the result of local_section_offset, pass down the addend and use the returned value. * output.h (class Output_reloc<SHT_REL>): Add Addend typedef. Update declarations of local_section_offset and symbol_value. * testsuite/two_file_test_1.cc (t18): New function. * testsuite/two_file_test_2.cc (f18): New function. * testsuite/two_file_test_main.cc (main): Call t18. * testsuite/two_file_test.h (t18, f18): Declare.
2008-03-28 * layout.cc (Layout::layout): If we see an input section with aIan Lance Taylor1-0/+50
name that needs sorting, set the must_sort flag for the output section. (Layout::make_output_section): If the name of the output section indicates that it might require sorting, set the may_sort flag. * output.h (Output_section::may_sort_attached_input_sections): New function. (Output_section::set_may_sort_attached_input_sections): New function. (Output_section::must_sort_attached_input_sections): New function. (Output_section::set_must_sort_attached_input_sections): New function. (class Output_section): Declare Input_section_sort_entry. Define Input_section_sort_compare. Declare sort_attached_input_sections. Add new fields: may_sort_attached_input_sections_, must_sort_attached_input_sections_, attached_input_sections_are_sorted_. * output.cc (Output_section::Output_section): Initialize new fields. (Output_section::add_input_section): Add an entry to input_sections_ if may_sort or must_sort are true. (Output_section::set_final_data_size): Call sort_attached_input_sections if necessary. (Output_section::Input_section_sort_entry): Define new class. (Output_section::Input_section_sort_compare::operator()): New function. (Output_section::sort_attached_input_sections): New function. * configure.ac: Check whether the compiler supports constructor priorities. Define a CONSTRUCTOR_PRIORITY automake conditional. * testsuite/initpri1.c: New file. * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if CONSTRUCTOR_PRIORITY. (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables. (initpri1_LDFLAGS): New variable. * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-03-25 * i386.cc (Target_i386::Got_type): New enum declaration.Cary Coutant1-57/+34
(Target_i386::Scan::local): Updated callers of Output_data_got member functions. (Target_i386::Scan::global): Likewise. (Target_i386::Relocate::relocate): Likewise. (Target_i386::Relocate::relocate_tls): Likewise. * object.h (Got_offset_list): New class. (Sized_relobj::local_has_got_offset): Added got_type parameter. (Sized_relobj::local_got_offset): Likewise. (Sized_relobj::set_local_got_offset): Likewise. (Sized_relobj::local_has_tls_got_offset): Removed. (Sized_relobj::local_tls_got_offset): Removed. (Sized_relobj::set_local_tls_got_offset): Removed. (Sized_relobj::Local_got_offsets): Changed to store a list of offsets. * output.cc (Output_data_got::add_global): Added got_type parameter. (Output_data_got::add_global_with_rel): Likewise. (Output_data_got::add_global_with_rela): Likewise. (Output_data_got::add_global_pair_with_rel): New function. (Output_data_got::add_global_pair_with_rela): New function. (Output_data_got::add_local): Added got_type parameter. (Output_data_got::add_local_with_rel): Likewise. (Output_data_got::add_local_with_rela): Likewise. (Output_data_got::add_local_pair_with_rel): New function. (Output_data_got::add_local_pair_with_rela): New function. (Output_data_got::add_global_tls): Removed. (Output_data_got::add_global_tls_with_rel): Removed. (Output_data_got::add_global_tls_with_rela): Removed. (Output_data_got::add_local_tls): Removed. (Output_data_got::add_local_tls_with_rel): Removed. (Output_data_got::add_local_tls_with_rela): Removed. * output.h (Output_data_got::add_global): Added got_type parameter. (Output_data_got::add_global_with_rel): Likewise. (Output_data_got::add_global_with_rela): Likewise. (Output_data_got::add_global_pair_with_rel): New function. (Output_data_got::add_global_pair_with_rela): New function. (Output_data_got::add_local): Added got_type parameter. (Output_data_got::add_local_with_rel): Likewise. (Output_data_got::add_local_with_rela): Likewise. (Output_data_got::add_local_pair_with_rel): New function. (Output_data_got::add_local_pair_with_rela): New function. (Output_data_got::add_global_tls): Removed. (Output_data_got::add_global_tls_with_rel): Removed. (Output_data_got::add_global_tls_with_rela): Removed. (Output_data_got::add_local_tls): Removed. (Output_data_got::add_local_tls_with_rel): Removed. (Output_data_got::add_local_tls_with_rela): Removed. * resolve.cc (Symbol::override_base_with_special): Removed reference to has_got_offset_ field. * symtab.cc (Symbol::init_fields): Replaced initialization of got_offset_ with got_offsets_. Removed initialization of has_got_offset_ *symtab.h (Symbol::has_got_offset): Aded got_type parameter. (Symbol::got_offset): Likewise. (Symbol::set_got_offset): Likewise. (Symbol::has_tls_got_offset): Removed. (Symbol::tls_got_offset): Removed. (Symbol::set_tls_got_offset): Removed. (Symbol::got_offset_): Removed. (Symbol::tls_mod_got_offset_): Removed. (Symbol::tls_pair_got_offset_): Removed. (Symbol::got_offsets_): New field. (Symbol::has_got_offset): Removed. (Symbol::has_tls_mod_got_offset): Removed. (Symbol::has_tls_pair_got_offset): Removed. * x86_64.cc (Target_x86_64::Got_type): New enum declaration. (Target_x86_64::Scan::local): Updated callers of Output_data_got member functions. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise. (Target_x86_64::Relocate::relocate_tls): Likewise.
2008-03-19Make sure the start and size of the TLS segment are aligned.Ian Lance Taylor1-3/+4
2008-03-16Fix handling of RELA relative relocs against local symbols in mergeIan Lance Taylor1-3/+3
sections.
2008-03-13Update copyright years. Update language files.Ian Lance Taylor1-1/+1
2008-03-12Combine read-only .eh_frame sections with read-write .eh_frameIan Lance Taylor1-0/+12
sections.
2008-02-29Remove gcc 3.2 compatibility hacks.Ian Lance Taylor1-3/+3
2008-02-13Implement -Tdata and -Tbss.Ian Lance Taylor1-0/+6