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2011-08-27 * layout.cc (Free_list::allocate): Provide guarantee of minimumCary Coutant1-1/+160
remaining hole size when allocating. (Layout::make_output_section): Set fill methods for debug sections. * layout.h (Free_list::Free_list_node): Move from private to public. (Free_list::set_min_hole_size): New function. (Free_list::begin, Free_list::end): New functions. (Free_list::min_hole_): New data member. * output.cc: Include dwarf.h. (Output_fill_debug_info::do_minimum_hole_size): New function. (Output_fill_debug_info::do_write): New function. (Output_fill_debug_line::do_minimum_hole_size): New function. (Output_fill_debug_line::do_write): New function. (Output_section::Output_section): Initialize new data member. (Output_section::set_final_data_size): Ensure patch space is larger than minimum hole size. (Output_section::do_write): Fill holes in debug sections. * output.h (Output_fill): New class. (Output_fill_debug_info): New class. (Output_fill_debug_line): New class. (Output_section::set_free_space_fill): New function. (Output_section::free_space_fill_): New data member. * testsuite/Makefile.am (incremental_test_3): Add --incremental-patch option. (incremental_test_4): Likewise. (incremental_test_5): Likewise. (incremental_test_6): Likewise. (incremental_copy_test): Likewise. (incremental_common_test_1): Likewise. * testsuite/Makefile.in: Regenerate.
2011-07-142011-07-13 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-5/+37
* plugin-api.h (ld_plugin_section): New struct. (ld_plugin_get_section_count): New typedef. (ld_plugin_get_section_type): New typedef. (ld_plugin_get_section_name): New typedef. (ld_plugin_get_section_contents): New typedef. (ld_plugin_update_section_order): New typedef. (ld_plugin_allow_section_ordering): New typedef. (LDPT_GET_SECTION_COUNT): New enum value. (LDPT_GET_SECTION_TYPE): New enum value. (LDPT_GET_SECTION_NAME): New enum value. (LDPT_GET_SECTION_CONTENTS): New enum value. (LDPT_UPDATE_SECTION_ORDER): New enum value. (LDPT_ALLOW_SECTION_ORDERING): New enum value. (tv_get_section_count): New struct members. (tv_get_section_type): New struct members. (tv_get_section_name): New struct members. (tv_get_section_contents): New struct members. (tv_update_section_order): New struct members. (tv_allow_section_ordering): New struct members. * archive.cc (Archive::get_elf_object_for_member): Add extra parameter to claim_file call. * layout.cc (Layout::Layout): Initialize section_ordering_specified_, input_section_position_, and input_section_glob_. (read_layout_from_file): Call function section_ordering_specified. * layout.h (is_section_ordering_specified): New function. (section_ordering_specified): New function. (section_ordering_specified_): New boolean member. * main.cc(main): Call load_plugins after layout object is defined. * output.cc (Output_section::add_input_section): Use function section_ordering_specified to check if section ordering is needed. * output.cc (Output_section::add_relaxed_input_section): Use function section_ordering_specified to check if section ordering is needed. (Output_section::update_section_layout): New function. (Output_section::sort_attached_input_sections): Check if input section must be reordered. * output.h (Output_section::update_section_layout): New function. * plugin.cc (get_section_count): New function. (get_section_type): New function. (get_section_name): New function. (get_section_contents): New function. (update_section_order): New function. (allow_section_ordering): New function. (Plugin::load): Add the new interfaces to the transfer vector. (Plugin_manager::load_plugins): New parameter. (Plugin_manager::all_symbols_read): New parameter. (Plugin_manager::claim_file): New parameter. Save the elf object for unclaimed objects. (Plugin_manager::get_elf_object): New function. (Plugin_manager::get_view): Change to directly use the bool to check if get_view is called from claim_file_hook. * plugin.h (input_objects): New function (Plugin__manager::load_plugins): New parameter. (Plugin_manager::claim_file): New parameter. (Plugin_manager::get_elf_object): New function. (Plugin_manager::in_claim_file_handler): New function. (Plugin_manager::in_claim_file_handler_): New member. (layout): New function. * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file handler with an extra parameter. Make the elf object before calling claim_file handler. * testsuite/plugin_test.c (get_section_count): New function pointer. (get_section_type): New function pointer. (get_section_name): New function pointer. (get_section_contents): New function pointer. (update_section_order): New function pointer. (allow_section_ordering): New function pointer. (onload): Check if the new interfaces exist.
2011-07-08 PR gold/12372Ian Lance Taylor1-4/+4
* target.h (Target::plt_address_for_global): New function. (Target::plt_address_for_local): New function. (Target::plt_section_for_global): Remove. (Target::plt_section_for_local): Remove. (Target::do_plt_address_for_global): New virtual function. (Target::do_plt_address_for_local): New virtual function. (Target::do_plt_section_for_global): Remove. (Target::do_plt_section_for_local): Remove. (Target::register_global_plt_entry): Add Symbol_table and Layout parameters. * output.cc (Output_data_got::Got_entry::write): Use plt_address_for_global and plt_address_for_local. * layout.cc (Layout::add_target_dynamic_tags): Use size and address of output section. * i386.cc (class Output_data_plt_i386): Add irelative_rel_, got_irelative_, and irelative_count_ fields. Update declarations. (Output_data_plt_i386::has_irelative_section): New function. (Output_data_plt_i386::entry_count): Add irelative_count_. (Output_data_plt_i386::set_final_data_size): Likewise. (class Target_i386): Add got_irelative_ and rel_irelative_ fields. Update declarations. (Target_i386::Target_i386): Initialize new fields. (Target_i386::do_plt_address_for_global): New function replacing do_plt_section_for_global. (Target_i386::do_plt_address_for_local): New function replacing do_plt_section_for_local. (Target_i386::got_section): Create got_irelative_. (Target_i386::rel_irelative_section): New function. (Output_data_plt_i386::Output_data_plt_i386): Initialize new fields. Don't define __rel_iplt_{start,end}. (Output_data_plt_i386::add_entry): Add symtab and layout parameters. Change all callers. Use different PLT and GOT for IFUNC symbols. (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and layout parameters. Change all callers. Use different PLT and GOT. (Output_data_plt_i386::rel_tls_desc): Fix formatting. (Output_data_plt_i386::rel_irelative): New function. (Output_data_plt_i386::address_for_global): New function. (Output_data_plt_i386::address_for_local): New function. (Output_data_plt_i386::do_write): Write out IRELATIVE area. Use IRELATIVE GOT when changing IFUNC GOT entries. (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE reloc. (Target_i386::do_finalize_sections): Create the __rel_iplt symbols if we didn't create an IRELATIVE GOT. (Target_i386::Relocate::relocate): Use plt_address_for_global and plt_address_for_local. (Target_i386::do_dynsym_value): Use plt_address_for_global. * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_, got_irelative_, and irelative_count_ fields. Update declarations. (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]: Initialize new fields. Remove symtab parameter. Change all callers. (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add irelative_count_. (Output_data_plt_x86_64::has_irelative_section): New function. (Output_data_plt_x86_64::entry_count): Add irelative_count_. (class Target_x86_64): Add got_irelative_ and rel_irelative_ fields. Update declarations. (Target_x86_64::Target_x86_64): Initialize new fields. (Target_x86_64::do_plt_address_for_global): New function replacing do_plt_section_for_global. (Target_x86_64::do_plt_address_for_local): New function replacing do_plt_section_for_local. (Target_x86_64::got_section): Create got_irelative_. (Target_x86_64::rela_irelative_section): New function. (Output_data_plt_x86_64::init): Remove symtab parameter. Change all callers. Don't create __rel_iplt_{start,end}. (Output_data_plt_x86_64::add_entry): Add symtab and layout parameters. Change all callers. Use different PLT and GOT for IFUNC symbols. (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and layout parameters. Change all callers. Use different PLT and GOT. (Output_data_plt_x86_64::add_relocation): Add symtab and layout parameters. Change all callers. Use different PLT and GOT for IFUNC symbols. (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting. (Output_data_plt_x86_64::rela_irelative): New function. (Output_data_plt_x86_64::address_for_global): New function. (Output_data_plt_x86_64::address_for_local): New function. (Output_data_plt_x86_64::set_final_data_size): Likewise. (Output_data_plt_x86_64::do_write): Write out IRELATIVE area. (Target_x86_64::init_got_plt_for_update): Create got_irelative_. (Target_x86_64::register_global_plt_entry): Add symtab and layout parameters. (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE reloc. (Target_x86_64::do_finalize_sections): Create the __rela_iplt symbols if we didn't create an IRELATIVE GOT. (Target_x86_64::Relocate::relocate): Use plt_address_for_global and plt_address_for_local. (Target_x86_64::do_dynsym_value): Use plt_address_for_global. * testsuite/ifuncvar1.c: New test file. * testsuite/ifuncvar2.c: New test file. * testsuite/ifuncvar3.c: New test file. * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar. (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets. (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables. (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables. * testsuite/Makefile.in: Rebuild.
2011-07-06 * incremental.cc (Incremental_inputs::report_command_line): IgnoreCary Coutant1-30/+62
--incremental-patch option. * layout.cc (Free_list::allocate): Extend allocation beyond original end if enabled. (Layout::make_output_section): Mark sections that should get patch space. * options.cc (parse_percent): New function. * options.h (parse_percent): New function. (DEFINE_percent): New macro. (General_options): Add --incremental-patch option. * output.cc (Output_section::Output_section): Initialize new data members. (Output_section::add_input_section): Print section name when out of patch space. (Output_section::add_output_section_data): Likewise. (Output_section::set_final_data_size): Add patch space when doing --incremental-full. (Output_section::do_reset_address_and_file_offset): Remove patch space. (Output_segment::set_section_list_addresses): Print debug output only if --incremental-update. * output.h (Output_section::set_is_patch_space_allowed): New function. (Output_section::is_patch_space_allowed_): New data member. (Output_section::patch_space_): New data member. * parameters.cc (Parameters::incremental_full): New function. * parameters.h (Parameters::incremental_full): New function * testsuite/Makefile.am (incremental_test_2): Add test for --incremental-patch option. * testsuite/Makefile.in: Regenerate. * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments. (t18): Remove function body.
2011-06-29 PR gold/12695Ian Lance Taylor1-1/+1
* layout.cc (Layout::symtab_section_shndx): New function. * layout.h (class Layout): Declare symtab_section_shndx. * output.cc (Output_section::write_header): Call it.
2011-06-23 PR gold/12910Ian Lance Taylor1-13/+54
* options.h (class General_options): Add --ctors-in-init-array. * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and friends as SHT_PROGBITS for merging sections. (Layout::layout): Remove special handling of .init_array and friends. Don't sort if doing relocatable link. Sort for .ctors and .dtors if ctors_in_init_array. (Layout::make_output_section): Force correct section types for .init_array and friends. Don't sort if doing relocatable link, Don't sort .ctors and .dtors if ctors_in_init_array. (Layout::section_name_mapping): Remove .ctors. and .dtorso. (Layout::output_section_name): Add relobj parameter. Change all callers. Handle .ctors. and .dtors. in code rather than table. Handle .ctors and .dtors if ctors_in_init_array. (Layout::match_file_name): New function, moved from output.cc. * layout.h (class Layout): Update declarations. * output.cc: Include "layout.h". (Input_section_sort_entry::get_priority): New function. (Input_section_sort_entry::match_file_name): Just call Layout::match_file_name. (Output_section::Input_section_sort_init_fini_compare::operator()): Handle .ctors and .dtors. Sort by explicit priority rather than by name. * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional. * testsuite/initpri2.c: New test. * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY. (check_PROGRAMS): Add initpri2. (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables. (initpri2_LDFLAGS, initpri2_LDADD): New variables. * configure, testsuite/Makefile.in: Rebuild.
2011-06-08 * common.cc (Symbol_table::do_allocate_commons_list): CallCary Coutant1-12/+13
gold_fallback. * errors.cc (Errors::fatal): Adjust call to gold_exit. (Errors::fallback): New function. (gold_fallback): New function. * errors.h (Errors::fallback): New function. * gold.cc (gold_exit): Change status parameter to enum; adjust all callers. (queue_initial_tasks): Call gold_fallback. * gold.h: Include cstdlib. (Exit_status): New enum type. (gold_exit): Change status parameter to enum. (gold_fallback): New function. * layout.cc (Layout::set_section_offsets): Call gold_fallback. (Layout::create_symtab_sections): Likewise. (Layout::create_shdrs): Likewise. * main.cc (main): Adjust call to gold_exit. * output.cc (Output_data_got::add_got_entry): Call gold_fallback. (Output_data_got::add_got_entry_pair): Likewise. (Output_section::add_input_section): Likewise. (Output_section::add_output_section_data): Likewise. (Output_segment::set_section_list_addresses): Likewise. * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2011-06-08 * layout.cc (Layout::set_segment_offsets): Don't adjust layoutCary Coutant1-4/+1
for incremental links. * output.cc (Output_segment::set_section_list_addresses): Remove FIXME and test for TLS or BSS.
2011-06-08 * common.cc (Symbol_table::do_allocate_commons_list): For incrementalCary Coutant1-0/+10
update, allocate common from bss section's free list. * incremental-dump.cc (dump_incremental_inputs): Print flag for linker-defined symbols. * incremental.cc (Sized_incremental_binary::do_process_got_plt): Skip GOT and PLT entries that are no longer referenced. (Output_section_incremental_inputs::write_info_blocks): Mark linker-defined symbols. (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols. * output.cc (Output_section::allocate): New function. * output.h (Output_section::allocate): New function. * resolve.cc (Symbol_table::report_resolve_problem): Add case for linker-defined symbols. (Symbol::override_base_with_special): Copy is_predefined_ flag. * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag. (Symbol::init_base_output_data): Likewise. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Sized_symbol::init_output_data): Likewise. (Sized_symbol::init_output_segment): Likewise. (Sized_symbol::init_constant): Likewise. (Symbol_table::do_define_in_output_data): Likewise. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::do_define_as_constant): Likewise. * symtab.h (Symbol::is_predefined): New function. (Symbol::init_base_output_data): Add is_predefined parameter. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Symbol::is_predefined_): New data member. (Sized_symbol::init_output_data): Add is_predefined parameter. (Sized_symbol::init_output_segment): Likewise. (Sized_symbol::init_constant): Likewise. (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2011-06-02Fix spelling mistakes.Nick Clifton1-1/+1
2011-05-25 * archive.cc (Library_base::should_include_member): Pull in objectIan Lance Taylor1-13/+5
from archive if it defines the entry symbol. * parameters.cc (Parameters::entry): New function. * parameters.h (class Parameters): Declare entry. * output.h (class Output_file_header): Remove entry_ field. * output.cc (Output_file_header::Output_file_header): Remove entry parameter. Change all callers. (Output_file_header::entry): Use parameters->entry. * gold.cc (queue_middle_tasks): Likewise. * plugin.cc (Plugin_hook::run): Likewise.
2011-05-24 * gold.cc (queue_initial_tasks): Pass incremental base filenameCary Coutant1-17/+66
to Output_file::open_base_file; don't print error message. * incremental-dump.cc (main): Adjust call to Output_file::open_for_modification. * incremental-dump.cc (main): Likewise. * incremental.cc (Incremental_inputs::report_command_line): Ignore --incremental-base option when comparing command lines. Ignore parameter when given as separate argument. * options.h (class General_options): Add --incremental-base. * output.cc (Output_file::Output_file): (Output_file::open_base_file): Add base_name and writable parameters; read base file into new file; print error message here. (Output_file::map_no_anonymous): Add writable parameter; adjust all callers. * output.h (Output_file::open_for_modification): Rename to... (Output_file::open_base_file): ...this; add base_name and writable parameters; adjust all callers. (Output_file::map_no_anonymous): Add writable parameter; adjust all callers. * testsuite/Makefile.am (incremental_test_4): Test --incremental-base. * testsuite/Makefile.in: Regenerate.
2011-05-24 * incremental-dump.cc (dump_incremental_inputs): Print dynamic relocCary Coutant1-27/+46
info; adjust display of GOT entries. * incremental.cc (Sized_incremental_binary::setup_readers): Allocate vector of input objects; remove file_status_. (Sized_incremental_binary::do_reserve_layout): Remove file_status_. (Sized_incremental_binary::do_process_got_plt): Adjust calls to got_plt reader; call target hooks to reserve GOT entries. (Output_section_incremental_inputs::set_final_data_size): Adjust size of input file info header and GOT info entry. (Output_section_incremental_inputs::write_info_blocks): Write dynamic relocation info. (Got_plt_view_info::got_descriptor): Remove. (Got_plt_view_info::sym_index): New data member. (Got_plt_view_info::input_index): New data member. (Local_got_offset_visitor::visit): Write input file index. (Global_got_offset_visitor::visit): Write 0 for input file index. (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor with sym_index and input_index. (Output_section_incremental_inputs::write_got_plt): Adjust size of incremental info GOT entry; replace got_descriptor with input_index. (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record map from input file index to object. (Sized_relobj_incr::do_layout): Replace direct data member reference with accessor function. (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class. * incremental.h (Incremental_input_entry_reader::get_symbol_offset): Adjust size of input file info header. (Incremental_input_entry_reader::get_first_dyn_reloc): New function. (Incremental_input_entry_reader::get_dyn_reloc_count): New function. (Incremental_input_entry_reader::get_input_section): Adjust size of input file info header. (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size of incremental info GOT entry. (Incremental_got_plt_reader::get_got_desc): Remove. (Incremental_got_plt_reader::get_got_symndx): New function. (Incremental_got_plt_reader::get_got_input_index): New function. (Sized_incremental_binary::Sized_incremental_binary): Remove file_status_; add input_objects_. (Sized_incremental_binary::~Sized_incremental_binary): Remove. (Sized_incremental_binary::set_file_is_unchanged): Remove. (Sized_incremental_binary::file_is_unchanged): Remove. (Sized_incremental_binary::set_input_object): New function. (Sized_incremental_binary::input_object): New function. (Sized_incremental_binary::file_status_): Remove. (Sized_incremental_binary::input_objects_): New data member. (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all references. (Sized_relobj_incr::invalid_address): Move to base class. (Sized_relobj_incr::is_output_section_offset_invalid): Move to base class. (Sized_relobj_incr::do_output_section_offset): Likewise. (Sized_relobj_incr::do_for_all_local_got_entries): Likewise. (Sized_relobj_incr::section_offsets_): Likewise. * object.cc (Sized_relobj::do_for_all_local_got_entries): New function. (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_. (Sized_relobj_file::layout_section): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::do_layout): Likewise. (Sized_relobj_file::do_layout_deferred_sections): Likewise. (Sized_relobj_file::do_for_all_local_got_entries): Move to base class. (Sized_relobj_file::compute_final_local_value): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::do_finalize_local_symbols): Likewise. * object.h (Relobj::Relobj): Initialize new data members. (Relobj::add_dyn_reloc): New function. (Relobj::first_dyn_reloc): New function. (Relobj::dyn_reloc_count): New function. (Relobj::first_dyn_reloc_): New data member. (Relobj::dyn_reloc_count_): New data member. (Sized_relobj): Rename Sized_relobj_base to this; adjust all references. (Sized_relobj::Address): New typedef. (Sized_relobj::invalid_address): Move here from child class. (Sized_relobj::Sized_relobj): Initialize new data members. (Sized_relobj::sized_relobj): New function. (Sized_relobj::is_output_section_offset_invalid): Move here from child class. (Sized_relobj::get_output_section_offset): Likewise. (Sized_relobj::local_has_got_offset): Likewise. (Sized_relobj::local_got_offset): Likewise. (Sized_relobj::set_local_got_offset): Likewise. (Sized_relobj::do_for_all_local_got_entries): Likewise. (Sized_relobj::clear_got_offsets): New function. (Sized_relobj::section_offsets): Move here from child class. (Sized_relobj::do_output_section_offset): Likewise. (Sized_relobj::do_set_section_offset): Likewise. (Sized_relobj::Local_got_offsets): Likewise. (Sized_relobj::local_got_offsets_): Likewise. (Sized_relobj::section_offsets_): Likewise. (Sized_relobj_file): Rename Sized_relobj to this; adjust all references. (Sized_relobj_file::is_output_section_offset_invalid): Move to base class. (Sized_relobj_file::sized_relobj): New function (Sized_relobj_file::local_has_got_offset): Move to base class. (Sized_relobj_file::local_got_offset): Likewise. (Sized_relobj_file::set_local_got_offset): Likewise. (Sized_relobj_file::get_output_section_offset): Likewise. (Sized_relobj_file::do_for_all_local_got_entries): Likewise. (Sized_relobj_file::do_output_section_offset): Likewise. (Sized_relobj_file::do_set_section_offset): Likewise. (Sized_relobj_file::Local_got_offsets): Likewise. (Sized_relobj_file::local_got_offsets_): Likewise. (Sized_relobj_file::section_offsets_): Likewise. * output.cc (Output_reloc::Output_reloc): Adjust type of relobj (all constructors). (set_needs_dynsym_index): Convert relobj to derived class pointer. (Output_reloc::get_symbol_index): Likewise. (Output_reloc::local_section_offset): Likewise. (Output_reloc::get_address): Likewise. (Output_reloc::symbol_value): Likewise. (Output_data_got::reserve_slot): Move to class definition. (Output_data_got::reserve_local): New function. (Output_data_got::reserve_slot_for_global): Remove. (Output_data_got::reserve_global): New function. * output.h (Output_reloc::Output_reloc): Adjust type of relobj (all constructors, two instantiations). (Output_reloc::get_relobj): New function (two instantiations). (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type. (Output_data_reloc_base::add): Convert relobj to derived class pointer. (Output_data_reloc::add_global): Adjust type of relobj. (Output_data_reloc::add_global_relative): Likewise. (Output_data_reloc::add_symbolless_global_addend): Likewise. (Output_data_reloc::add_local): Likewise. (Output_data_reloc::add_local_relative): Likewise. (Output_data_reloc::add_symbolless_local_addend): Likewise. (Output_data_reloc::add_local_section): Likewise. (Output_data_reloc::add_output_section): Likewise. (Output_data_reloc::add_absolute): Likewise. (Output_data_reloc::add_target_specific): Likewise. (Output_data_got::reserve_slot): Move definition here. (Output_data_got::reserve_local): New function. (Output_data_got::reserve_global): New function. * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::write_sections): Likewise. (Sized_relobj_file::do_relocate_sections): Likewise. * target.h (Sized_target::reserve_local_got_entry): New function. (Sized_target::reserve_global_got_entry): New function. * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function. (Target_x86_64::reserve_global_got_entry): New function. (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2011-05-23 * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.Cary Coutant1-60/+113
* incremental-dump.cc (dump_incremental_inputs): Mask high-order bit when checking got_type. * incremental.cc (Sized_incremental_binary::setup_readers): Store symbol table and string table locations; initialize bit vector of file status flags. (Sized_incremental_binary::do_reserve_layout): Set bit flag for unchanged files. (Sized_incremental_binary::do_process_got_plt): New function. (Sized_incremental_binary::get_symtab_view): Use stored locations. (Output_section_incremental_inputs::set_final_data_size): Record file index for each input file. (Output_section_incremental_inputs::write_got_plt): Store file index instead of input entry offset for each GOT entry. * incremental.h (Incremental_input_entry::Incremental_input_entry): Initialize new data member. (Incremental_input_entry::set_offset): Store file index. (Incremental_input_entry::get_file_index): New function. (Incremental_input_entry::file_index_): New data member. (Incremental_binary::process_got_plt): New function. (Incremental_binary::do_process_got_plt): New function. (Sized_incremental_binary::Sized_incremental_binary): Initialize new data members. (Sized_incremental_binary::~Sized_incremental_binary): New destructor. (Sized_incremental_binary::set_file_is_unchanged): New function. (Sized_incremental_binary::file_is_unchanged): New function. (Sized_incremental_binary::do_process_got_plt): New function. (Sized_incremental_binary::file_status_): New data member. (Sized_incremental_binary::main_symtab_loc_): New data member. (Sized_incremental_binary::main_strtab_loc_): New data member. * output.cc (Output_data_got::Got_entry::write): Add case RESERVED_CODE. (Output_data_got::add_global): Call add_got_entry. (Output_data_got::add_global_plt): Likewise. (Output_data_got::add_global_with_rel): Likewise. (Output_data_got::add_global_with_rela): Likewise. (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair. (Output_data_got::add_global_pair_with_rela): Likewise. (Output_data_got::add_local): Call add_got_entry. (Output_data_got::add_local_plt): Likewise. (Output_data_got::add_local_with_rel): Likewise. (Output_data_got::add_local_with_rela): Likewise. (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair. (Output_data_got::add_local_pair_with_rela): Likewise. (Output_data_got::reserve_slot): New function. (Output_data_got::reserve_slot_for_global): New function. (Output_data_got::add_got_entry): New function. (Output_data_got::add_got_entry_pair): New function. (Output_section::add_output_section_data): Edit FIXME. * output.h (Output_section_data_build::Output_section_data_build): New constructor with size parameter. (Output_data_space::Output_data_space): Likewise. (Output_data_got::Output_data_got): Initialize new data member; new constructor with size parameter. (Output_data_got::add_constant): Call add_got_entry. (Output_data_got::reserve_slot): New function. (Output_data_got::reserve_slot_for_global): New function. (class Output_data_got::Got_entry): Add RESERVED_CODE. (Output_data_got::add_got_entry): New function. (Output_data_got::add_got_entry_pair): New function. (Output_data_got::free_list_): New data member. * target.h (Sized_target::init_got_plt_for_update): New function. (Sized_target::register_global_plt_entry): New function. * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new data member; call init; add constructor with PLT count. (Output_data_plt_x86_64::init): New function. (Output_data_plt_x86_64::add_relocation): New function. (Output_data_plt_x86_64::reserve_slot): New function. (Output_data_plt_x86_64::free_list_): New data member. (Target_x86_64::init_got_plt_for_update): New function. (Target_x86_64::register_global_plt_entry): New function. (Output_data_plt_x86_64::add_entry): Allocate from free list for incremental updates. (Output_data_plt_x86_64::add_relocation): New function. * testsuite/object_unittest.cc (Object_test): Set default options.
2011-04-22 * descriptors.cc (set_close_on_exec): New function.Ian Lance Taylor1-0/+5
(Descriptors::open): Use set_close_on_exec. * output.cc (S_ISLNK): Define if not defined.
2011-04-12 * configure.ac: Check for sys/mman.h and mmap. Check for mremapIan Lance Taylor1-13/+103
with MREMAP_MAYMOVE. * output.h (class Output_file): Add map_is_allocated_ field. * output.cc: Only #include <sys/mman.h> if it exists. If mmap is not available, provide stubs. If mremap is not available, #define it to gold_mremap. (MREMAP_MAYMOVE): Define if not defined. (Output_file::Output_file): Initialize map_is_allocated_. (Output_file::resize): Check map_is_allocated_. (Output_file::map_anonymous): If mmap fails, use malloc. (Output_file::unmap): Don't do anything for an anonymous map. * fileread.cc: Only #include <sys/mman.h> if it exists. If mmap is not available, provide stubs. (File_read::View::~View): Use free rather than delete[]. (File_read::make_view): Use malloc rather than new[]. If mmap fails, use malloc. (File_read::find_or_make_view): Use malloc rather than new[]. * gold.h: Remove HAVE_REMAP code. * mremap.c: #include <errno.h>. Only #include <sys/mman.h> if it exists. Rename mremap to gold_mremap. If mmap is not available don't do anything. * configure, config.in: Rebuild.
2011-04-12 * archive.cc (Archive::include_member): Adjust call toCary Coutant1-27/+198
report_object. (Add_archive_symbols::run): Track argument serial numbers. (Lib_group::include_member): Likewise. (Add_lib_group_symbols::run): Adjust call to report_archive_begin. * archive.h (Incremental_archive_entry::Archive_member): Initialize arg_serial_. (Archive_member::arg_serial_): New data member. * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL. (Sized_dynobj::do_add_symbols): Track symbols when doing an incremental link. (Sized_dynobj::do_for_all_local_got_entries): New function. * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New function. * fileread.cc (get_mtime): New function. * fileread.h (get_mtime): New function. * gold.cc (queue_initial_tasks): Check for incremental update. (process_incremental_input): New function. (queue_middle_tasks): Don't force valid target for incremental update. * incremental-dump.cc (find_input_containing_global): Adjust size of symbol info entry. (dump_incremental_inputs): Dump argument serial number and in_system_directory flag; bias shndx by 1; print symbol names when dumping per-file symbol lists; use new symbol info readers. * incremental.cc (Output_section_incremental_inputs:update_data_size): New function. (Sized_incremental_binary::setup_readers): Setup input readers for each input file; build maps for files added from libraries and scripts. (Sized_incremental_binary::check_input_args): New function. (Sized_incremental_binary::do_check_inputs): Build map of argument serial numbers to input arguments. (Sized_incremental_binary::do_file_has_changed): Rename do_file_is_unchanged to this; compare file modification times. (Sized_incremental_binary::do_init_layout): New function. (Sized_incremental_binary::do_reserve_layout): New function. (Sized_incremental_binary::do_get_input_reader): Remove. (Sized_incremental_binary::get_symtab_view): New function. (Incremental_checker::can_incrementally_link_output_file): Remove. (Incremental_inputs::report_command_line): Exclude --debug options. (Incremental_inputs::report_archive_begin): Add parameter; track argument serial numbers; don't put input file entry for archive before archive members. (Incremental_inputs::report_archive_end): Put input file entry for archive after archive members. (Incremental_inputs::report_object): Add parameter; track argument serial numbers and in_system_directory flag. (Incremental_inputs::report_script): Add parameter; track argument serial numbers. (Output_section_incremental_inputs::set_final_data_size): Adjust size of symbol info entry; check for forwarding symbols. (Output_section_incremental_inputs::write_input_files): Write in_system_directory flag and argument serial number. (Output_section_incremental_inputs::write_info_blocks): Map section indices between incremental info and original input file; store input section index for each symbol. (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor; change operator() to visit(). (class Global_got_offset_visitor): Likewise. (class Global_symbol_visitor_got_plt): (Output_section_incremental_inputs::write_got_plt): Use new visitor classes. (Sized_incr_relobj::Sized_incr_relobj): New constructor. (Sized_incr_relobj::do_read_symbols): New function. (Sized_incr_relobj::do_layout): New function. (Sized_incr_relobj::do_layout_deferred_sections): New function. (Sized_incr_relobj::do_add_symbols): New function. (Sized_incr_relobj::do_should_include_member): New function. (Sized_incr_relobj::do_for_all_global_symbols): New function. (Sized_incr_relobj::do_for_all_local_got_entries): New function. (Sized_incr_relobj::do_section_size): New function. (Sized_incr_relobj::do_section_name): New function. (Sized_incr_relobj::do_section_contents): New function. (Sized_incr_relobj::do_section_flags): New function. (Sized_incr_relobj::do_section_entsize): New function. (Sized_incr_relobj::do_section_address): New function. (Sized_incr_relobj::do_section_type): New function. (Sized_incr_relobj::do_section_link): New function. (Sized_incr_relobj::do_section_info): New function. (Sized_incr_relobj::do_section_addralign): New function. (Sized_incr_relobj::do_initialize_xindex): New function. (Sized_incr_relobj::do_get_global_symbol_counts): New function. (Sized_incr_relobj::do_read_relocs): New function. (Sized_incr_relobj::do_gc_process_relocs): New function. (Sized_incr_relobj::do_scan_relocs): New function. (Sized_incr_relobj::do_count_local_symbols): New function. (Sized_incr_relobj::do_finalize_local_symbols): New function. (Sized_incr_relobj::do_set_local_dynsym_indexes): New function. (Sized_incr_relobj::do_set_local_dynsym_offset): New function. (Sized_incr_relobj::do_relocate): New function. (Sized_incr_relobj::do_set_section_offset): New function. (Sized_incr_dynobj::Sized_incr_dynobj): New function. (Sized_incr_dynobj::do_read_symbols): New function. (Sized_incr_dynobj::do_layout): New function. (Sized_incr_dynobj::do_add_symbols): New function. (Sized_incr_dynobj::do_should_include_member): New function. (Sized_incr_dynobj::do_for_all_global_symbols): New function. (Sized_incr_dynobj::do_for_all_local_got_entries): New function. (Sized_incr_dynobj::do_section_size): New function. (Sized_incr_dynobj::do_section_name): New function. (Sized_incr_dynobj::do_section_contents): New function. (Sized_incr_dynobj::do_section_flags): New function. (Sized_incr_dynobj::do_section_entsize): New function. (Sized_incr_dynobj::do_section_address): New function. (Sized_incr_dynobj::do_section_type): New function. (Sized_incr_dynobj::do_section_link): New function. (Sized_incr_dynobj::do_section_info): New function. (Sized_incr_dynobj::do_section_addralign): New function. (Sized_incr_dynobj::do_initialize_xindex): New function. (Sized_incr_dynobj::do_get_global_symbol_counts): New function. (make_sized_incremental_object): New function. (Incremental_library::copy_unused_symbols): New function. (Incremental_library::do_for_all_unused_symbols): New function. * incremental.h (enum Incremental_input_flags): New type. (class Incremental_checker): Remove. (Incremental_input_entry::Incremental_input_entry): Add argument serial number. (Incremental_input_entry::arg_serial): New function. (Incremental_input_entry::set_is_in_system_directory): New function. (Incremental_input_entry::is_in_system_directory): New function. (Incremental_input_entry::arg_serial_): New data member. (Incremental_input_entry::is_in_system_directory_): New data member. (class Script_info): Move here from script.h. (Script_info::Script_info): Add filename parameter. (Script_info::filename): New function. (Script_info::filename_): New data member. (Incremental_script_entry::Incremental_script_entry): Add argument serial number. (Incremental_object_entry::Incremental_object_entry): Likewise. (Incremental_object_entry::add_input_section): Build list of input sections with map to original shndx. (Incremental_object_entry::get_input_section_index): New function. (Incremental_object_entry::shndx_): New data member. (Incremental_object_entry::name_key_): Rename; adjust all refs. (Incremental_object_entry::sh_size_): Rename; adjust all refs. (Incremental_archive_entry::Incremental_archive_entry): Add argument serial number. (Incremental_inputs::report_archive_begin): Likewise. (Incremental_inputs::report_object): Likewise. (Incremental_inputs::report_script): Likewise. (class Incremental_global_symbol_reader): New class. (Incremental_input_entry_reader::Incremental_input_entry_reader): Read and store flags and input file type. (Incremental_input_entry_reader::arg_serial): New function. (Incremental_input_entry_reader::type): Extract type from flags. (Incremental_input_entry_reader::is_in_system_directory): New function. (Incremental_input_entry_reader::get_input_section_count): Call accessor function for type. (Incremental_input_entry_reader::get_symbol_offset): Call accessor function for type; adjust size of global symbol entry. (Incremental_input_entry_reader::get_global_symbol_count): Call accessor function for type. (Incremental_input_entry_reader::get_object_count): Likewise. (Incremental_input_entry_reader::get_object_offset): Likewise. (Incremental_input_entry_reader::get_member_count): Likewise. (Incremental_input_entry_reader::get_unused_symbol_count): Likewise. (Incremental_input_entry_reader::get_member_offset): Likewise. (Incremental_input_entry_reader::get_unused_symbol): Likewise. (Incremental_input_entry_reader::Global_symbol_info): Remove. (Incremental_input_entry_reader::get_global_symbol_info): Remove. (Incremental_input_entry_reader::get_global_symbol_reader): New function. (Incremental_input_entry_reader::get_output_symbol_index): New function. (Incremental_input_entry_reader::type_): Remove. (Incremental_input_entry_reader::flags_): New data member. (Incremental_inputs_reader::input_file_offset): New function. (Incremental_inputs_reader::input_file_index): New function. (Incremental_inputs_reader::input_file): Call input_file_offset. (Incremental_inputs_reader::input_file_at_offset): New function. (Incremental_relocs_reader::get_r_type): Reformat. (Incremental_relocs_reader::get_r_shndx): Reformat. (Incremental_relocs_reader::get_r_offset): Reformat. (Incremental_relocs_reader::data): New function. (Incremental_binary::Incremental_binary): Initialize new data members. (Incremental_binary::check_inputs): Add cmdline parameter. (Incremental_binary::file_is_unchanged): Remove. (Input_reader::arg_serial): New function. (Input_reader::get_unused_symbol_count): New function. (Input_reader::get_unused_symbol): New function. (Input_reader::do_arg_serial): New function. (Input_reader::do_get_unused_symbol_count): New function. (Input_reader::do_get_unused_symbol): New function. (Incremental_binary::input_file_count): New function. (Incremental_binary::get_input_reader): Change signature to use index instead of filename. (Incremental_binary::file_has_changed): New function. (Incremental_binary::get_input_argument): New function. (Incremental_binary::get_library): New function. (Incremental_binary::get_script_info): New function. (Incremental_binary::init_layout): New function. (Incremental_binary::reserve_layout): New function. (Incremental_binary::output_file): New function. (Incremental_binary::do_check_inputs): New function. (Incremental_binary::do_file_is_unchanged): Remove. (Incremental_binary::do_file_has_changed): New function. (Incremental_binary::do_init_layout): New function. (Incremental_binary::do_reserve_layout): New function. (Incremental_binary::do_input_file_count): New function. (Incremental_binary::do_get_input_reader): Change signature. (Incremental_binary::input_args_map_): New data member. (Incremental_binary::library_map_): New data member. (Incremental_binary::script_map_): New data member. (Sized_incremental_binary::Sized_incremental_binary): Initialize new data members. (Sized_incremental_binary::output_section): New function. (Sized_incremental_binary::inputs_reader): Add const. (Sized_incremental_binary::symtab_reader): Add const. (Sized_incremental_binary::relocs_reader): Add const. (Sized_incremental_binary::got_plt_reader): Add const. (Sized_incremental_binary::get_symtab_view): New function. (Sized_incremental_binary::Inputs_reader): New typedef. (Sized_incremental_binary::Input_entry_reader): New typedef. (Sized_incremental_binary::do_check_inputs): Add cmdline parameter. (Sized_incremental_binary::do_file_is_unchanged): Remove. (Sized_incremental_binary::do_file_has_changed): New function. (Sized_incremental_binary::do_init_layout): New function. (Sized_incremental_binary::do_reserve_layout): New function. (Sized_input_reader::Inputs_reader): Remove. (Sized_input_reader::Input_entry_reader): Remove. (Sized_input_reader::do_arg_serial): New function. (Sized_input_reader::do_get_unused_symbol_count): New function. (Sized_input_reader::do_get_unused_symbol): New function. (Sized_incremental_binary::do_input_file_count): New function. (Sized_incremental_binary::do_get_input_reader): Change signature; use index instead of filename. (Sized_incremental_binary::section_map_): New data member. (Sized_incremental_binary::input_entry_readers_): New data member. (class Sized_incr_relobj): New class. (class Sized_incr_dynobj): New class. (make_sized_incremental_object): New function. (class Incremental_library): New class. * layout.cc (Free_list::num_lists): New static data member. (Free_list::num_nodes): New static data member. (Free_list::num_removes): New static data member. (Free_list::num_remove_visits): New static data member. (Free_list::num_allocates): New static data member. (Free_list::num_allocate_visits): New static data member. (Free_list::init): New function. (Free_list::remove): New function. (Free_list::allocate): New function. (Free_list::dump): New function. (Free_list::print_stats): New function. (Layout_task_runner::run): Resize output file for incremental updates. (Layout::Layout): Initialize new data members. (Layout::set_incremental_base): New function. (Layout::init_fixed_output_section): New function. (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for incremental updates. (Layout::create_gold_note): Do not create gold note section for incremental updates. (Layout::set_segment_offsets): Do not recalculate RELRO alignment for incremental updates. (Layout::set_section_offsets): For incremental updates, allocate space from free list. (Layout::create_symtab_sections): Layout with offsets relative to start of section; for incremental updates, allocate space from free list. (Layout::create_shdrs): For incremental updates, allocate space from free list. (Layout::finish_dynamic_section): For incremental updates, do not check --as-needed (fixed in subsequent patch). * layout.h (class Free_list): New class. (Layout::set_incremental_base): New function. (Layout::incremental_base): New function. (Layout::init_fixed_output_section): New function. (Layout::allocate): New function. (Layout::incremental_base_): New data member. (Layout::free_list_): New data member. * main.cc (main): Print Free_list statistics. * object.cc (Relobj::finalize_incremental_relocs): Add clear_counts parameter; clear counts only when clear_counts is set. (Sized_relobj::Sized_relobj): Initialize new base class. (Sized_relobj::do_layout): Don't report special sections. (Sized_relobj::do_for_all_local_got_entries): New function. (Sized_relobj::write_local_symbols): Add symtab_off parameter; add symtab_off to all symbol table offsets. (Sized_relobj::do_get_global_symbol_counts): Add typename keyword. * object.h (class Got_offset_list): Move to top of file. (Object::Object): Allow case where input_file == NULL. (Object::~Object): Likewise. (Object::input_file): Assert that input_file != NULL. (Object::lock): Allow case where input_file == NULL. (Object::unlock): Likewise. (Object::is_locked): Likewise. (Object::token): Likewise. (Object::release): Likewise. (Object::is_incremental): New function. (Object::get_mtime): New function. (Object::for_all_local_got_entries): New function. (Object::clear_view_cache_marks): Allow case where input_file == NULL. (Object::set_is_in_system_directory): New function. (Object::is_in_system_directory): New function. (Object::do_is_incremental): New function. (Object::do_get_mtime): New function. (Object::do_for_all_local_got_entries): New function. (Object::is_in_system_directory_): New data member. (Relobj::finalize_incremental_relocs): Add clear_counts parameter. (class Sized_relobj_base): New class. (class Sized_relobj): Derive from Sized_relobj_base. (class Sized_relobj::Symbols): Redeclare from base class. (class Sized_relobj::local_got_offset_list): Remove. (class Sized_relobj::Output_sections): Redeclare from base class. (class Sized_relobj::do_for_all_local_got_entries): New function. (class Sized_relobj::write_local_symbols): Add offset parameter. (class Sized_relobj::local_symbol_offset_): Update comment. (class Sized_relobj::local_dynsym_offset_): Update comment. * options.cc (Input_arguments::add_file): Remove const. * options.h (Input_file_argument::Input_file_argument): Initialize arg_serial_ (all constructors). (Input_file_argument::set_arg_serial): New function. (Input_file_argument::arg_serial): New function. (Input_file_argument::arg_serial_): New data member. (Input_arguments::Input_arguments): Initialize file_count_. (Input_arguments::add_file): Remove const. (Input_arguments::number_of_input_files): New function. (Input_arguments::file_count_): New data member. (Command_line::number_of_input_files): Call Input_arguments::number_of_input_files. * output.cc (Output_segment_headers::Output_segment_headers): Set current size. (Output_section::Input_section::current_data_size): New function. (Output_section::Output_section): Initialize new data members. (Output_section::add_input_section): Don't do merge sections for an incremental link; allocate space from free list for an incremental update. (Output_section::add_output_section_data): Allocate space from free list for an incremental update. (Output_section::update_data_size): New function. (Output_section::set_fixed_layout): New function. (Output_section::reserve): New function. (Output_segment::set_section_addresses): Remove const. (Output_segment::set_section_list_addresses): Remove const; allocate space from free list for an incremental update. (Output_segment::set_offset): Adjust size of RELRO segment for an incremental update. * output.h (Output_data::current_data_size): Move here from child classes. (Output_data::pre_finalize_data_size): New function. (Output_data::update_data_size): New function. (Output_section_headers::update_data_size): new function. (Output_section_data_build::current_data_size): Move to Output_data. (Output_data_strtab::update_data_size): New function. (Output_section::current_data_size): Move to Output_data. (Output_section::set_fixed_layout): New function. (Output_section::has_fixed_layout): New function. (Output_section::reserve): New function. (Output_section::update_data_size): New function. (Output_section::has_fixed_layout_): New data member. (Output_section::free_list_): New data member. (Output_segment::set_section_addresses): Remove const. (Output_segment::set_section_list_addresses): Remove const. * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries): New function. * plugin.h (Sized_pluginobj::do_for_all_local_got_entries): New function. * readsyms.cc (Read_symbols::do_read_symbols): Add library parameter when calling Add_symbols constructor; store argument serial number for members of a lib group. (Add_symbols::locks): Allow case where token == NULL. (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib. (Read_member::~Read_member): New function. (Read_member::is_runnable): New function. (Read_member::locks): New function. (Read_member::run): New function. (Check_script::~Check_script): New function. (Check_script::is_runnable): New function. (Check_script::locks): New function. (Check_script::run): New function. (Check_library::~Check_library): New function. (Check_library::is_runnable): New function. (Check_library::locks): New function. (Check_library::run): New function. * readsyms.h (Add_symbols::Add_symbols): Add library parameter. (Add_symbols::library_): New data member. (class Read_member): New class. (class Check_script): New class. (class Check_library): New class. * reloc.cc (Read_relocs::is_runnable): Allow case where token == NULL. (Read_relocs::locks): Likewise. (Scan_relocs::locks): Likewise. (Relocate_task::locks): Likewise. (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs to clear counters. (Sized_relobj::incremental_relocs_scan): Fix comment. (Sized_relobj::do_relocate): Pass output file offset to write_local_symbols. (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size from class declaration. * script.cc (read_input_script): Allocate Script_info; pass argument serial number to report_script. * script.h (class Script_info): Move to incremental.h. * symtab.cc (Symbol_table::add_from_incrobj): New function. * symtab.h (Symbol_table::add_from_incrobj): New function. (Symbol_table::set_file_offset): New function.
2011-02-122011-02-11 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-2/+4
* output.cc (Output_section::add_input_section): Delay fill generation for section ordering.
2010-11-16 * output.h (Output_segment::set_section_addresses): Pass increase_relroCary Coutant1-2/+18
by reference; adjust all callers. * output.cc (Output_segment::set_section_addresses): Adjust references to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST list is empty. (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not end at page boundary.
2010-11-16 PR gold/12220Cary Coutant1-1/+1
* layout.cc (Layout::choose_output_section): Transform names of compressed sections even when using a script with a SECTIONS clause. (Layout::output_section_name): Remove code to transform compressed debug section names. * output.cc (Output_section::add_input_section): Use uncompressed section size when tracking input sections.
2010-10-292010-10-29 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+23
* arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to Output_section::add_relaxed_input_section. * output.cc (Output_section::add_relaxed_input_section): Add new arguments LAYOUT and NAME. Set section order index. (Output_section::convert_input_sections_in_list_to_relaxed_sections): Copy section order index. * output.h (Output_section::add_relaxed_input_section): Add new arguments LAYOUT and NAME.
2010-10-18 * output.h (Output_segment::set_section_addresses): Change functionCary Coutant1-21/+33
signature. Update all callers. * output.cc (Output_segment::is_first_section_relro): Ignore TLS sections. (Output_segment::set_section_addresses): Align after last TLS section. Add padding before last relro section instead of after.
2010-10-16 * layout.cc (Layout::set_segment_offsets): Don't try to realign dataCary Coutant1-4/+30
segment that has been aligned for relro. * output.cc (Output_segment::set_section_addresses): Change signature; adjust all callers. Account for alignment when totalling size of relro sections. * output.h (Output_segment::set_section_addresses): Change signature. * testsuite/Makefile.am (relro_test.sh, relro_test.stdout): New targets. * testsuite/Makefile.in: Regenerate. * testsuite/relro_test.cc: Add alignment attributes to test proper alignment of relro sections when padding is necessary. * testsuite/relro_test.sh: New script.
2010-08-25 * archive.cc: Formatting fixes: Remove whitespace betweenNick Clifton1-2/+2
typename and following asterisk. Remove whitespace between function name and opening parenthesis. * archive.h: Likewise. * arm.cc: Likewise. * attributes.cc: Likewise. * attributes.h: Likewise. * common.cc: Likewise. * copy-relocs.cc: Likewise. * dirsearch.h: Likewise. * dynobj.cc: Likewise. * ehframe.cc: Likewise. * ehframe.h: Likewise. * expression.cc: Likewise. * fileread.cc: Likewise. * fileread.h: Likewise. * gc.h: Likewise. * gold-threads.cc: Likewise. * gold.cc: Likewise. * i386.cc: Likewise. * icf.h: Likewise. * incremental-dump.cc: Likewise. * incremental.cc: Likewise. * layout.cc: Likewise. * layout.h: Likewise. * main.cc: Likewise. * merge.cc: Likewise. * merge.h: Likewise. * object.cc: Likewise. * object.h: Likewise. * options.cc: Likewise. * options.h: Likewise. * output.cc: Likewise. * output.h: Likewise. * plugin.cc: Likewise. * plugin.h: Likewise. * powerpc.cc: Likewise. * reloc.cc: Likewise. * script-c.h: Likewise. * script-sections.cc: Likewise. * script.cc: Likewise. * stringpool.cc: Likewise. * symtab.cc: Likewise. * symtab.h: Likewise. * target.cc: Likewise. * timer.cc: Likewise. * timer.h: Likewise. * version.cc: Likewise. * x86_64.cc: Likewise.
2010-08-19 PR 10893Ian Lance Taylor1-16/+73
* i386.cc (class Output_data_plt_i386): Update declarations. Define Global_ifunc and Local_ifunc types. Add global_ifuncs_ and local_ifuncs_ fields. (Target_i386::do_plt_section_for_global): New function. (Target_i386::do_plt_section_for_local): New function. (Output_data_plt_i386::Output_data_plt_i386): Add symtab parameter; change all callers. Initialize global_ifuncs_ and local_ifuncs_. If doing a static link define __rel_iplt_start and __rel_iplt_end. (Output_data_plt_i386::add_entry): Handle IFUNC symbols. (Output_data_plt_i386::add_local_ifunc_entry): New function. (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC symbols. (Target_i386::make_plt_section): New function, broken out of make_plt_entry. Set sh_info field of .rel.plt to point to .plt. (Target_i386::make_plt_entry): Call make_plt_section. (Target_i386::make_local_ifunc_plt_entry): New function. (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function. (Target_i386::Scan::local): Handle IFUNC symbols. Add R_386_IRELATIVE to switch. (Target_i386::Scan::global): Likewise. (Target_i386::Relocate::relocate): Likewise. (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to switch. * x86_64.cc (class Output_data_plt_x86_64): Update declarations. (Target_x86_64::do_plt_section_for_global): New function. (Target_x86_64::do_plt_section_for_local): New function. (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab parameter; change all callers. If doing a static link define __rela_iplt_start and __rela_iplt_end. (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols. (Output_data_plt_x86_64::add_local_ifunc_entry): New function. (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt to point to .plt. (Target_x86_64::make_local_ifunc_plt_entry): New function. (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to switch. (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function. (Target_x86_64::Scan::local): Handle IFUNC symbols. Add R_X86_64_IRELATIVE to switch. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise. (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to switch. * target.h (class Target): Add plt_section_for_global and plt_section_for_local functions. Add do_plt_section_for_global and do_plt_section_for_local virtual functions. * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol. Add clarifying comments. (Symbol::use_plt_offset): Handle IFUNC symbol. * object.cc (Sized_relobj::Sized_relobj): Initialize local_plt_offsets_. (Sized_relobj::local_has_plt_offset): New function. (Sized_relobj::local_plt_offset): New function. (Sized_relobj::set_local_plt_offset): New function. (Sized_relobj::do_count): Handle IFUNC symbol. * object.h (class Symbol_value): Add is_ifunc_symbol_ field. Take a bit away from input_shndx_ field. Add set_is_func_symbol and is_ifunc_symbol functions. (class Sized_relobj): Update declarations. Remove Tls_got_entry and Local_tls_got_offsets. Define Local_plt_offsets. Add local_plt_offsets_ field. (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_. * output.h (class Output_section_data): Add non-const output_section function. (class Output_data_got): Update declarations. (class Output_data_got::Got_entry): Add use_plt_offset_ field. Add use_plt_offset parameter to global and local constructors. Change all callers. Change local_sym_index_ field to 31 bits. Change GSYM_CODE and CONSTANT_CODE accordingly. * output.cc (Output_data_reloc_base::do_adjust_output_section): If doing a static link don't set sh_link field. (Output_data_got::Got_entry::write): Use PLT offset if appropriate. (Output_data_got::add_global_plt): New function. (Output_data_got::add_local_plt): New function. * target-reloc.h (relocate_section): Handle IFUNC symbol. * defstd.cc (in_section): Remove entries for __rel_iplt_start, __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end. * configure.ac: Set IFUNC automake conditional for glibc >= 2.11. * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within IFUNC conditional. * testsuite/ifunc-sel.h: New file. * testsuite/ifuncmain1.c: New file. * testsuite/ifuncmain1vis.c: New file. * testsuite/ifuncmod1.c: New file. * testsuite/ifuncdep2.c: New file. * testsuite/ifuncmain2.c: New file. * testsuite/ifuncmain3.c: New file. * testsuite/ifuncmod3.c: New file. * testsuite/ifuncmain4.c: New file. * testsuite/ifuncmain5.c: New file. * testsuite/ifuncmod5.c: New file. * testsuite/ifuncmain6pie.c: New file. * testsuite/ifuncmod6.c: New file. * testsuite/ifuncmain7.c: New file. * configure, testsuite/Makefile.in: Rebuild.
2010-08-032010-08-03 Ian Lance Taylor <iant@google.com>Ian Lance Taylor1-401/+187
PR 11805 * layout.h (enum Output_section_order): Define. (class Layout): Update declarations. * layout.cc (Layout::get_output_section): Add order parameter. Remove is_interp, is_dynamic_linker_section, 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. Set order. (Layout::default_section_order): New function. (Layout::layout_eh_frame): Call add_output_section_to_nonload. * output.cc (Output_section::Output_section): Initialize order_. Don't initialize deleted fields. (Output_segment::Output_segment): Don't initialize deleted fields. (Output_segment::add_output_section_to_load): New function replacing add_output_section. Change all callers to call this or add_output_section_to_nonload. (Output_segment::add_output_section_to_nonload): New function. (Output_segment::remove_output_section): Rewrite. (Output_segment::add_initial_output_data): Likewise. (Output_segment::has_any_data_sections): Likewise. (Output_segment::is_first_section_relro): Likewise. (Output_segment::maximum_alignment): Likewise. (Output_segment::has_dynamic_reloc): New function replacing dynamic_reloc_count. Change all callers. (Output_segment::has_dynamic_reloc_list): New function replacing dynamic_reloc_count_list. Change all callers. (Output_segment::set_section_addresses): Rewrite. (Output_segment::set_offset): Rewrite. (Output_segment::find_first_and_last_list): Remove. (Output_segment::set_tls_offsets): Rewrite. (Output_segment::first_section_load_address): Likewise. (Output_segment::output_section_count): Likewise. (Output_segment::section_with_lowest_load_address): Likewise. (Output_segment::write_section_headers): Likewise. (Output_segment::print_sections_to_map): Likewise. * output.h (class Output_data): Remove dynamic_reloc_count_ field. Add has_dynamic_reloc_ field. Make bools into bitfields. (Output_data::add_dynamic_reloc): Rewrite. (Output_data::has_dynamic_reloc): New function. (Output_data::dynamic_reloc_count): Remove. (class Output_section): Add order_ field. Remvoe is_relro_local_, is_last_relro_, is_first_non_relro_, is_interp_, is_dynamic_linker_section_ fields. Add order and set_order functions. Remove is_relro_local, set_is_relro_local, is_last_relro, set_is_last_relro, is_first_non_relro, set_is_first_non_relro functions, is_interp, set_is_interp, is_dynamic_linker_section, and set_is_dynamic_linker_section functions. (class Output_segment): Change Output_data_list from std::list to std:;vector. Add output_lists_ field. Remove output_data_ and output_bss_ fields. Update declarations.
2010-08-02 PR 11866Ian Lance Taylor1-16/+43
* output.cc (Output_segment::set_offset): Search for the first and last sections rather than assuming that the list is in order. (Output_segment::find_first_and_last_list): New function. * output.h (class Output_segment): Update declarations. * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test. (relro_strip_test_SOURCES): New variable. (relro_strip_test_DEPENDENCIES): New variable. (relro_strip_test_LDFLAGS): New variable. (relro_strip_test_LDADD): New variable. (relro_strip_test.so): New target.
2010-07-132010-07-13 Doug Kwan <dougkwan@google.com>Doug Kwan1-3/+7
* arm.cc (Arm_input_section::Arm_input_section): For a SHT_ARM_EXIDX section, always keeps the input sections. (Arm_input_section::set_exidx_section_link): New method. (Arm_exidx_input_section::Arm_exidx_input_section): Initialize has_errors_ to false. (Arm_exidx_input_section::has_errors, Arm_exidx_input_section::set_has_errors): New methods. (Arm_exidx_input_section::has_errors_): New data member. (Arm_relobj::get_exidx_shndx_list): New method. (Arm_output_section::append_text_sections_to_list): Do not skip section without SHF_EXECINSTR. (Arm_output_section::fix_exidx_coverage): Skip input sections with errors. (Arm_relobj::make_exidx_input_section): Add new parameter for text section header. Make error messages more verbose. Check for a non-executable section linked to an EXIDX section. (Arm_relobj::do_read_symbols): Remove error checking, which has been moved to Arm_relobj::make_exidx_input_section. Add an assertion to check that there is no deferred EXIDX section if we exit early. Instead of not making an EXIDX section in case of an error, make one and set the has_errors flag of it. (Target_arm::do_finalize_sections): Fix up links of EXIDX sections in a relocatable link. (Target_arm::do_relax): Look for the EXIDX output section instead of assuming that it is called .ARM.exidx. (Target_arm::fix_exidx_coverage): Add a new parameter for input section list. Do not check for SHF_EXECINSTR section flags but skip any input section with errors. * output.cc (Output_section::Output_section): Initialize always_keeps_input_sections_ to false. (Output_section::add_input_section): Check for always_keeps_input_sections_. * output.h (Output_section::always_keeps_input_sections, Output_section::set_always_keeps_input_sections): New methods. (Output_section::always_keeps_input_sections): New data member.
2010-07-12 * compressed_output.cc (zlib_decompress): New function.Cary Coutant1-1/+6
(get_uncompressed_size): New function. (decompress_input_section): New function. * compressed_output.h (get_uncompressed_size): New function. (decompress_input_section): New function. * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info) Handle compressed debug sections. * layout.cc (is_compressed_debug_section): New function. (Layout::output_section_name): Map compressed section names to canonical names. * layout.h (is_compressed_debug_section): New function. (is_debug_info_section): Recognize compressed debug sections. * merge.cc: Include compressed_output.h. (Output_merge_data::do_add_input_section): Handle compressed debug sections. (Output_merge_string::do_add_input_section): Handle compressed debug sections. * object.cc: Include compressed_output.h. (Sized_relobj::Sized_relobj): Initialize new data members. (build_compressed_section_map): New function. (Sized_relobj::do_read_symbols): Handle compressed debug sections. * object.h (Object::section_is_compressed): New method. (Object::do_section_is_compressed): New method. (Sized_relobj::Compressed_section_map): New type. (Sized_relobj::do_section_is_compressed): New method. (Sized_relobj::compressed_sections_): New data member. * output.cc (Output_section::add_input_section): Handle compressed debug sections. * reloc.cc: Include compressed_output.h. (Sized_relobj::write_sections): Handle compressed debug sections.
2010-06-03 PR gold/11658Sriraman Tallam1-19/+23
* output.cc (Output_section::Input_section_sort_entry::compare_section_ordering): Change to return non-zero correctly. (Output_section::Input_section_sort_section_order_index_compare ::operator()): Change to fix ambiguity in comparisons.
2010-06-01 * gold.h (is_wildcard_string): New function.Sriraman Tallam1-17/+95
* layout.cc (Layout::layout): Pass this pointer to add_input_section. (Layout::layout_eh_frame): Ditto. (Layout::find_section_order_index): New method. (Layout::read_layout_from_file): New method. * layout.h (Layout::find_section_order_index): New method. (Layout::read_layout_from_file): New method. (Layout::input_section_position_): New private member. (Layout::input_section_glob_): New private member. * main.cc (main): Call read_layout_from_file here. * options.h (--section-ordering-file): New option. * output.cc (Output_section::input_section_order_specified_): New member. (Output_section::Output_section): Initialize new member. (Output_section::add_input_section): Add new parameter. Keep input sections when --section-ordering-file is used. (Output_section::set_final_data_size): Sort input sections when section ordering file is specified. (Output_section::Input_section_sort_entry): Add new parameter. Check sorting type. (Output_section::Input_section_sort_entry::compare_section_ordering): New method. (Output_section::Input_section_sort_compare::operator()): Change to consider section_order_index. (Output_section::Input_section_sort_init_fini_compare::operator()): Change to consider section_order_index. (Output_section::Input_section_sort_section_order_index_compare ::operator()): New method. (Output_section::sort_attached_input_sections): Change to sort according to section order when specified. (Output_section::add_input_section<32, true>): Add new parameter. (Output_section::add_input_section<64, true>): Add new parameter. (Output_section::add_input_section<32, false>): Add new parameter. (Output_section::add_input_section<64, false>): Add new parameter. * output.h (Output_section::add_input_section): Add new parameter. (Output_section::input_section_order_specified): New method. (Output_section::set_input_section_order_specified): New method. (Input_section::Input_section): Initialize section_order_index_. (Input_section::section_order_index): New method. (Input_section::set_section_order_index): New method. (Input_section::section_order_index_): New member. (Input_section::Input_section_sort_section_order_index_compare): New struct. (Output_section::input_section_order_specified_): New member. * script-sections.cc (is_wildcard_string): Delete and move modified method to gold.h. (Output_section_element_input::Output_section_element_input): Modify call to is_wildcard_string. (Output_section_element_input::Input_section_pattern ::Input_section_pattern): Ditto. (Output_section_element_input::Output_section_element_input): Ditto. * testsuite/Makefile.am (final_layout): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/final_layout.cc: New file. * testsuite/final_layout.sh: New file.
2010-05-232010-05-23 Doug Kwan <dougkwan@google.com>Doug Kwan1-70/+156
* arm.cc (Arm_input_section::do_output_offset): Use convert_types instead of a cast. (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch with a direct branch, not a conditional branch, to a stub. * merge.cc (Output_merge_base::record_input_section): New method defintion. (Output_merge_data::do_add_input_section): Record input section if keeps-input-sections flag is set. (Output_merge_string::do_add_input_section): Ditto. * merge.h (Output_merge_base::Output_merge_base): Initialize new data members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and INPUT_SECTIONS_. (Output_merge_base::keeps_input_sections, Output_merge_base::set_keeps_input_sections, Output_merge_base::first_relobj, Output_merge_base::first_shndx): New method definitions. (Output_merge_base::Input_sections): New type declaration. (Output_merge_base::input_sections_begin, Output_merge_base::input_sections_end, Output_merge_base::do_set_keeps_input_sections): New method definitions. (Output_merge_base::bool keeps_input_sections_, Output_merge_base::first_relobj_, Output_merge_base::first_shndx_, Output_merge_base::input_sections_): New data members. (Output_merge_data::do_set_keeps_input_sections): New method defintion. (Output_merge_string::do_set_keeps_input_sections): Ditto. * output.cc (Output_section::Input_section::relobj): Move method defintion from class declaration to here and handle merge sections. (Output_section::Input_section::shndx): Ditto. (Output_section::Output_section): Remove initializations of removed data members and initialize new data member LOOKUP_MAPS_. (Output_section::add_input_section): Set keeps-input-sections flag for a newly created merge output section as appropriate. Adjust code to use Output_section_lookup_maps class. (Output_section::add_relaxed_input_section): Adjst code for lookup maps code refactoring. (Output_section::add_merge_input_section): Add a new parameter KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps class. If adding input section to a newly created merge output section fails, remove the new merge section. (Output_section::convert_input_sections_in_list_to_relaxed_input_sections): Adjust code for use of the Output_section_lookup_maps class. (Output_section::find_merge_section): Ditto. (Output_section::build_lookup_maps): New method defintion. (Output_section::find_relaxed_input_section): Adjust code to use Output_section_lookup_maps class. (Output_section::get_input_sections): Export merge sections. Adjust code to use Output_section_lookup_maps class. (Output_section:::add_script_input_section): Adjust code to use Output_section_lookup_maps class. Update lookup maps for merge sections also. (Output_section::discard_states): Use Output_section_lookup_maps. (Output_section::restore_states): Same. * output.h (Merge_section_properties): Move class defintion out of Output_section. (Output_section_lookup_maps): New class. (Output_section::Input_section::is_merge_section): New method defintion. (Output_section::Input_section::relobj): Move defintion out of class defintion. Declare method only. (Output_section::Input_section::shndx): Ditto. (Output_section::Input_section::output_merge_base): New method defintion. (Output_section::Input_section::u2_.pomb): New union field. (Output_section::Merge_section_by_properties_map, Output_section::Output_section_data_by_input_section_map, Output_section::Ouptut_relaxed_input_section_by_input_section_map): Remove types. (Output_section::add_merge_input_section): Add new parameter KEEPS_INPUT_SECTIONS. (Output_section::build_lookup_maps): New method declaration. (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_): Remove data members. (Output_section::lookup_maps_): New data member.
2010-05-192010-05-14 Doug Kwan <dougkwan@google.com>Doug Kwan1-16/+11
* arm.cc (Arm_input_section::original_size): New method. (Arm_input_section::do_addralign): Add a cast. (Arm_input_section::do_output_offset): Remove static cast. (Arm_input_section::original_addralign, Arm_input_section::original_size_): Change type to uint32_t. (Arm_input_section::init): Add safe casts for section alignment and size. (Arm_input_section::set_final_data_size): Do not set address and offset of stub table. (Arm_output_section::fix_exidx_coverage): Change use of of Output_section::Simple_input_section to that of Output_section::Input_section. (Target_arm::do_relax): Set addresses and file offsets of Stub_tables except for the first pass. * output.cc (Output_section::get_input_sections): Change type of input_sections to std::list<Input_section>. (Output_section::add_script_input_section): Rename from Output_section::add_simple_input_section. Change type of SIS parameter from Simple_input_section to Input_section. * output.h (Output_section::Simple_input_section): Remove class. (Output_section::Input_section): Change class visibility to public. (Output_section::Input_section::addralign): Use stored alignments for special input sections if set. (Output_section::Input_section::set_addralign): New method. (Output_section::get_input_sections): Change parameter type from list of Simple_input_section to list of Input_section. (Output_section::add_script_input_section): Rename from Output_section::add_simple_input_section. Change first parameter's type from Simple_input_section to Input_section and remove the second and third parameters. * script-sections.cc (Input_section::Input_section_list): Change type to list of Output_section::Input_section/ (Input_section_info::Input_section_info): Change parameter type of INPUT_SECTION to Output_section::Input_section. (Input_section_info::input_section): Change return type. (Input_section_info::input_section_): Change type to Output_section::Input_section. (Output_section_element_input::set_section_addresses): Adjust code to use Output_section::Input_section instead of Output_section::Simple_input_section. Adjust code for renaming of Output_section::add_simple_input_section. (Orphan_output_section::set_section_addresses): Ditto.
2010-04-092010-04-09 Doug Kwan <dougkwan@google.com>Doug Kwan1-2/+4
* 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.
2010-04-092010-04-08 Doug Kwan <dougkwan@google.com>Doug Kwan1-40/+37
* merge.cc (Output_merge_data::set_final_data_size): Handle empty Output_merge_data. * output.cc (Output_section::add_merge_input_section): Simplify code and return status of Output_merge_base::add_input_section. Update merge section map only if Output_merge_base::add_input_section returns true.
2010-03-06 * options.h (class General_options): Add --spare-dynamic-tags.Ian Lance Taylor1-3/+7
* output.cc (Output_data_dynamic::set_final_data_size): Implement --spare-dynamic-tags.
2010-03-012010-03-01 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+45
* 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.
2010-02-13 * output.h (Output_reloc<SHT_REL>::Output_reloc): AddDavid S. Miller1-17/+31
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. Miller1-0/+2
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 Kwan1-5/+42
* 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 Kwan1-20/+20
* 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.
2010-01-19elfcpp/:Ian Lance Taylor1-3/+8
* elfcpp.h (PN_XNUM): Define. gold/: * output.cc (Output_section_headers::do_sized_write): Write large segment count to sh_info field. (Output_file_header::do_sized_write): For large segment count, write PN_XNUM to e_phnum field.
2010-01-152010-01-14 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+9
* arm.cc (map, utility): Include headers. (Target_arm::apply_cortex_a8_workaround): New method. (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround. (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19. (Target_arm::Scan::global): R_ARM_THM_JUMP19. (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to the --[no-]fix-cortex-a8 command line options. (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19. (Target_arm::relocate_stub): Use addend in instruction template. * options.h (DEFINE_bool): Set the user-set flag. (General_options): Add --[no-]-fix-cortex options. * output.cc (Output_section::convert_input_sections_to_relaxed_sections) : Update fast look-up map after conversion.
2010-01-08 PR 10287Ian Lance Taylor1-1/+83
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/+1
* 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.
2010-01-06 PR 10980Ian Lance Taylor1-7/+3
* 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 PR 10450Ian Lance Taylor1-2/+9
* output.cc (Output_segment::Output_segment): If PT_TLS, set the flags to PF_R. (Output_segment::add_output_section): Don't change the flags if the type is PT_TLS.
2009-12-30 * layout.cc (Layout::Layout): Initialize increase_relro_.Ian Lance Taylor1-70/+99
(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 Taylor1-5/+28
* 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/+2
* 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.