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2010-06-01 * gold.h (is_wildcard_string): New function.Sriraman Tallam1-0/+4
* 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.
2010-05-182010-05-18 Rafael Espindola <espindola@google.com>Rafael Ávila de Espíndola1-0/+4
* options.cc (General_options::finalize): Handle -nostdlib. * options.h (nostdlib): New option. * script.cc (script_add_search_dir): Handle -nostdlib.
2010-04-212010-04-15 Andrew Haley <aph@redhat.com>Andrew Haley1-0/+4
* emultempl/armelf.em (merge_exidx_entries): New variable. (OPTION_NO_MERGE_EXIDX_ENTRIES): New definition. ("no-merge-exidx-entries"): New option. * ld.texinfo (merge-exidx-entries): Document this option. 2010-04-15 Andrew Haley <aph@redhat.com> * bfd-in.h (elf32_arm_fix_exidx_coverage): Add new flag: merge_exidx_entries. * bfd-in2.h: Likewise. * elf32-arm.c (elf32_arm_fix_exidx_coverage): Likewise. Use it to control merging of exidx entries. 2010-04-15 Andrew Haley <aph@redhat.com> * options.h (merge_exidx_entries): New option. * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries. (class Arm_exidx_fixup::merge_exidx_entries_): New member. (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries. (Target_arm::merge_exidx_entries): New function. (process_exidx_entry): Don't merge if merge_exidx_entries_ is false. (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries to Arm_exidx_fixup constructor. Add new arg, merge_exidx_entries. (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to Arm_output_section::fix_exidx_coverage.
2010-04-072010-04-07 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+28
* arm.cc: Replace "endianity" with "endianness" in comments. (Arm_exidx_cantunwind): Ditto. (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures. (Arm_relobj::merge_flags_and_attributes): New method. (Arm_relobj::merge_flags_and_attributes_): New data member. (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting. (Arm_relobj::scan_sections_for_stubs): Ditto. (Arm_relobj::do_read_symbols): Check to see if we really want to merge processor-specific flags and attributes. Exit early if an object is empty except for section names and the undefined symbol. (Target_arm::do_finalize_sections): Move check for ELF format to Arm_relobj::do_read_symbols. Merge processor specific flags and attributes from a regular object only when we have determined that it is aapropriate. Do not create an .ARM.attributes section in output if there is no regular input object. (Target_arm::merge_processor_specific_flags): Check --warn-mismatch before printing any error. (Target_arm::merge_object_attributes): Ditto. * gold.cc (queue_middle_tasks): Handle the case in which there is no regular object in input. * options.cc (General_options::parse_EB): New method. (General_options::parse_EL): Same. (General_options::General_options): Initialize endianness_. * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch): New options. (General_options::Endianness): New enum. (General_options::endianness): New method. (General_options::endianness_): New data member. * parameters.cc (Parameters::set_options): Check target endianness. (Parameters::set_target_once): Ditto. (Parameters::check_target_endianness): New method. (parameters_force_valid_target): If either -EL or -EB is specified, use it to define endianness of default target. * parameters.h (Parameters::check_target_endianness): New method declaration. * target.h (class Target): Change "endianity" to "endianness" in comments.
2010-03-222010-03-22 Rafael Espindola <espindola@google.com>Rafael Ávila de Espíndola1-4/+93
* archive.cc (Should_include): Move to archive.h. (should_include_member): Make it a member of Archive. (Lib_group): New. (Add_lib_group_symbols): New. * archive.h: Include options.h. (Archive_member): Moved from Archive. (Should_include): Moved from archive.cc. (Lib_group): New. (Add_lib_group_symbols): New. * dynobj.cc (do_should_include_member): New. * dynobj.h (do_should_include_member): New. * gold.cc (queue_initial_tasks): Update call to queue. * main.cc (main): Print lib group stats. * object.cc (do_should_include_member): New. * object.h: Include archive.h. (Object::should_include_member): New. (Object::do_should_include_member): New. (Sized_relobj::do_should_include_member): New. * options.cc (General_options::parse_start_lib): New. (General_options::parse_end_lib): New. (Input_arguments::add_file): Handle lib groups. (Input_arguments::start_group): Check we are not in a lib. (Input_arguments::start_lib): New. (Input_arguments::end_lib): New. * options.h (General_options): Add start_lib and end_lib. (Input_argument::lib_): New. (Input_argument::lib): New. (Input_argument::is_lib): New. (Input_file_lib): New. (Input_arguments::in_lib_): New. (Input_arguments::in_lib): New. (Input_arguments::start_lib): New. (Input_arguments::end_lib_): New. * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols in unused members as preempted. (Sized_pluginobj::do_should_include_member): New. * plugin.h (Sized_pluginobj::do_should_include_member): New. * readsyms.cc (Read_symbols::locks): If we are just reading a member, return the blocker. (Read_symbols::do_whole_lib_group): New. (Read_symbols::do_lib_group): New. (Read_symbols::do_read_symbols): Handle lib groups. (Read_symbols::get_name): Handle lib groups. * readsyms.h (Read_symbols): Add an archive member pointer. (Read_symbols::do_whole_lib_group): New. (Read_symbols::do_lib_group): New. (Read_symbols::member_): New. * script.cc (read_input_script): Update call to queue_soon.
2010-03-10 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.Cary Coutant1-1/+4
(File_read::open[1]): Remove initial mapping of whole_file_view_. (File_read::open[2]): Add whole_file_view_ to list of views. (File_read::make_view): Remove test of whole_file_view_. (File_read::find_or_make_view): Create whole_file_view_ if necessary. (File_read::clear_views): Replace bool parameter with enum; adjust all callers. Don't delete views with permanent data; do delete cached views and views from archives if --no-keep-files-mapped is set. Set whole_file_view_ to NULL if clearing the corresponding view. * fileread.h (File_read::Clear_views_mode): New enum. (File_read::View::is_permanent_view): New method. (File_read::clear_views): Replace bool parameter with enum; adjust all callers. * options.h (General_options): Change keep_files_mapped option; add map_whole_files. * readsyms.cc (Add_symbols::run): Delete sd_ object before releasing the file. * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing the file.
2010-03-06 * options.h (class General_options): Add --spare-dynamic-tags.Ian Lance Taylor1-0/+4
* output.cc (Output_data_dynamic::set_final_data_size): Implement --spare-dynamic-tags.
2010-02-132010-02-12 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-1/+2
* arm.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * i386.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function. (Scan::global_reloc_may_be_function_pointer): New function. (Scan::possible_function_pointer_reloc): New function. (Target_x86_64::can_check_for_function_pointers): New function. * gc.h (gc_process_relocs): Scan relocation types to determine if function pointers were taken for targets that support it. * icf.cc (Icf::find_identical_sections): Include functions for folding in safe ICF whose pointer is not taken. * icf.h (Secn_fptr_taken_set): New typedef. (fptr_section_id_): New member. (section_has_function_pointers): New function. (set_section_has_function_pointers): New function. (check_section_for_function_pointers): New function. * options.h: Fix comment for safe ICF option. * target.h (can_check_for_function_pointers): New function. * testsuite/Makefile.am: Add icf_safe_so_test test case. Modify icf_safe_test for X86-64. * testsuite/Makefile.in: Regenerate. * testsuite/icf_safe_so_test.cc: New file. * testsuite/icf_safe_so_test.sh: New file. * testsuite/icf_safe_test.cc (kept_func_3): New function. (main): Change to take pointer to function kept_func_3. * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe folding is done correctly for X86-64.
2010-01-222010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>Doug Kwan1-0/+25
* gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of Fix_v4bx enum values . * gold/options.h (General_options): New option definitions. (General_options::fix_v4bx): New method. (General_options::Fix_v4bx): New enum. * gold/options.cc (General_options::parse_fix_v4bx): New method. (General_options::parse_fix_v4bx_interworking): New method.
2010-01-152010-01-14 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+8
* 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.
2010-01-112010-01-10 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+7
* options.h (DEFINE_var): Use parentheses around argument varname__ in macro body to avoid any unintended subsequent substitutions.
2010-01-07 PR 10980Ian Lance Taylor1-0/+8
* options.h (class General_options): Add --warn-unresolved-symbols and --error-unresolved-symbols. * errors.cc (Errors::undefined_symbol): Implement --warn-unresolved-symbols.
2010-01-07 * options.h (class General_options): Add -z text and -z textoff.Ian Lance Taylor1-0/+6
* layout.cc (Layout::finish_dynamic_section): Implement -z text.
2010-01-07 PR 10980Ian Lance Taylor1-0/+4
* options.h (class General_options): Add --warn-shared-textrel. * layout.cc (Layout::finish_dynamic_section): Implement --warn-shared-textrel.
2010-01-07 PR 10980Ian Lance Taylor1-0/+3
* options.h (class General_options): Add --warn-multiple-gp.
2010-01-06 PR 10980Ian Lance Taylor1-0/+12
* 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.
2010-01-06 PR 10980Ian Lance Taylor1-0/+4
* options.h (class General_options): Add --undefined-version. * script.cc (struct Version_expression): Add was_matched_by_symbol field. (Version_script_info::matched_symbol): New function. (Version_script_info::get_symbol_version_helper): Call matched_symbol. (Version_script_info::check_unmatched_names): New function. * script.h (class Version_script_info): Update declarations. * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2010-01-05 * options.h (class General_options): Use DEFINE_bool_alias forIan Lance Taylor1-3/+3
allow_multiple_definition. * resolve.cc (Symbol_table::should_override): Don't test allow_multiple_definition.
2010-01-05 PR 10980Ian Lance Taylor1-1/+5
* options.h (class General_options): Add --cref. * main.cc (main): Print cref table if --cref. Don't close mapfile until after printing cref table. * cref.cc: Include "symtab.h". (class Cref_inputs): Define Cref_table_compare and Cref_table. (Cref_table_compare::operator()): New function. (Cref_inputs::gather_cref): New function. (filecol): New static const. (Cref_inputs::print_cref): New function. (Cref::print_cref): New function. * cref.h: Include <cstdio>. (class Cref): Update declarations. * mapfile.h (Mapfile::file): New function. * object.h (class Object): Define Symbols. Declare virtual do_get_global_symbols. (Object::get_global_symbols): New function. * object.cc (Input_objects::add_object): Pass object to cref_ if --cref. (Input_objects::archive_start): Likewise. (Input_objects::archive_stop): Likewise. (Input_objects::print_cref): New function. * dynobj.h (Sized_dynobj::do_get_global_symbols): New function. * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if --cref. * plugin.cc (Sized_pluginobj::do_get_global_symbols): New function. * plugin.h (class Sized_pluginobj): Update declarations.
2010-01-05 PR 10980Ian Lance Taylor1-0/+9
* options.h (class General_options): Add --allow-multiple-definition and -z muldefs. * resolve.cc (Symbol_table::should_override): Don't warn about a multiple symbol definition if --allow-multiple-definition or -z muldefs.
2010-01-05 PR 10980Ian Lance Taylor1-2/+10
* options.h (class General_options): Add --add-needed and --copy-dt-needed-entries. Tweak --as-needed help entry. * object.cc (Input_objects::check_dynamic_dependencies): Give an error if --copy-dt-needed-entries aka --add-needed is used and would cause a change in behaviour.
2010-01-04 PR 10980Ian Lance Taylor1-1/+11
* options.h (class General_options): Add -G as a short version of --shared. Add no-op options -assert, -g, and -i.
2009-12-31 PR 10980Ian Lance Taylor1-2/+2
* options.h (class General_options): Permit two dashes with --retain-symbols-file.
2009-12-31 PR 10931Ian Lance Taylor1-0/+4
* options.h (class General_options): Add --sort-common option. * symtab.h (class Symbol_table): Define Sort_commons_order enum. * common.cc (Sort_common): Add sort_order parameter to constructor. Add sort_order_ field. (Sort_commons::operator): Check sort_order_. (Symbol_table::allocate_commons): Determine the sort order. (Symbol_table::do_allocate_commons): Add sort_order parameter. Change all callers. (Symbol_table::do_allocate_commons_list): Likewise.
2009-12-30 PR 10861Ian Lance Taylor1-3/+7
* script.h (class Version_script_info): Define Language enum. Update declarations. Define Glob, Exact, and Lookup types. Add new fields globals_, locals_, and is_finalized_. * script.cc: Various formatting fixes. (class Parser_closure): Change language_stack_ from a vector of std::string to one of Version_script_info::Language. Adjust all uses accordingly. (class Lazy_demangler): Remove. (struct Version_expression): Change language from std::string to Version_script_info::Language. (Version_script_info::Version_script_info): New function. (Version_script_info::~Version_script_info): Don't call clear. (Version_script_info::finalize): New function. (Version_script_info::build_lookup_tables): New function. (Version_script_info::build_expression_list_lookup): New function. (Version_script_info::get_symbol_version_helper): Rewrite to use lookup tables. (Version_script_info::print_expression_list): Adjust to use Version_script_info::Language. (script_push_lex_into_version_mode): Check that the version script has not been finalized. (version_script_push_lang): Change language string to Version_script_info::Language. * options.cc (Command_line::version_script): New function. * options.h (class General_options): Add finalize_dynamic_list function. Change version_script from declaration to definition. * testsuite/ver_test_4.script: Remove duplicate def of t2_2. * testsuite/version_script.map: Remove duplicate def of foo. * testsuite/Makefile.am (ver_matching_def.so): Depend upon version_script.map. * testsuite/Makefile.in: Rebuild.
2009-12-30 PR 10670Ian Lance Taylor1-0/+2
* options.h (class General_options): Add -x/--discard-all. * object.cc (Sized_relobj::do_count_local_symbols): Handle --discard-all. If the local symbol needs a dynamic entry, check that before handling --discard-locals.
2009-12-14 Revert -Wshadow changes, all changes from:Ian Lance Taylor1-20/+20
2009-12-11 Doug Kwan <dougkwan@google.com> 2009-12-11 Nick Clifton <nickc@redhat.com> * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2009-12-11Add -Wshadow to the gcc command line options used when compiling the binutils.Nick Clifton1-20/+20
Fix up all warnings generated by the addition of this switch.
2009-11-252009-11-25 Doug Kwan <dougkwan@google.com>Doug Kwan1-11/+0
Revert: 2009-11-25 Doug Kwan <dougkwan@google.com> * arm.cc (Target_arm::Target_arm): Move method definition outside of class definition. Add code to handle --target1-rel, --target1-abs and --target2= options. (Target_arm::get_reloc_reloc_type): Change method to be non-static and const. (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data member declaration. (Target_arm::Scan::local, Target_arm::Scan::global, Target_arm::Relocate::relocate, Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust call to Target_arm::get_real_reloc_type. (Target_arm::get_real_reloc_type): Use command line options to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2. * options.h (--target1-rel, --target1-abs, --target2): New ARM-only options.
2009-11-252009-11-25 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+11
* arm.cc (Target_arm::Target_arm): Move method definition outside of class definition. Add code to handle --target1-rel, --target1-abs and --target2= options. (Target_arm::get_reloc_reloc_type): Change method to be non-static and const. (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data member declaration. (Target_arm::Scan::local, Target_arm::Scan::global, Target_arm::Relocate::relocate, Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust call to Target_arm::get_real_reloc_type. (Target_arm::get_real_reloc_type): Use command line options to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2. * options.h (--target1-rel, --target1-abs, --target2): New ARM-only options.
2009-11-04 PR 10860Ian Lance Taylor1-0/+4
* options.h (class General_options): Add --warn-common. * resolve.cc (Symbol_table::resolve): Handle --warn-common when merging two common symbols. (Symbol_table::should_override): Handle --warn-common when merging a common symbol with a defined symbol. Use report_resolve_problem for multiple definitions. (Symbol_table::report_resolve_problem): New function. * symtab.h (class Symbol_table): Declare report_resolve_problem.
2009-11-03 * options.h (class General_options): Add --warn_constructors.Ian Lance Taylor1-0/+3
2009-10-28 * fileread.cc: (File_read::View::~View): Use the newIan Lance Taylor1-0/+6
data_ownership_ filed. (File_read::~File_read): Dispose the new whole_file_view_. (File_read::open): Mmap the whole file if needed. (File_read::open): Use whole_file_view_ instead of contents_. (File_read::find_view): Use whole_file_view_ if applicable. (File_read::do_read): Use whole_file_view_ instead of contents_. (File_read::make_view): Use whole_file_view_ instead of contents_, update File_read::View::View call. (File_read::find_or_make_view): Update File_read::View::View call. * fileread.h: (File_read::File_read): Initialize whole_file_view_, remove contents_ (File_read::View::Data_ownership): New enum. (File_read::View::View): Replace bool mapped_ with Data_ownership argument. (File_read::View::mapped_): Remove (replaced by data_ownership_). (File_read::View::data_ownership_): New field. (File_read::contents_): Remove (replaced by whole_file_view_). (File_read::whole_file_view_): New field. * options.h (class General_options): Add --keep-files-mapped.
2009-10-14 Add support for -pie.Ian Lance Taylor1-8/+8
* options.h (class General_options): Add -pie and --pic-executable. (General_options::output_is_position_independent): Test -pie. (General_options::output_is_executable): Return true if not shared and not relocatable. (General_options::output_is_pie): Remove. * options.cc (General_options::finalize): Reject incompatible uses of -pie. * gold.cc (queue_middle_tasks): A -pie link is not static. * symtab.h (Symbol::needs_plt_entry): Return false if -pie. * symtab.cc (Symbol::final_value_is_known): Return false if output_is_position_independent. * layout.cc (Layout::set_segment_offsets): Start at address 0 if output_is_position_independent. * output.cc (Output_file_header::do_sized_write): Use ET_DYN if output_is_position_independent. * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if output_is_position_independent. * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and two_file_pie_test. (basic_pie_test.o, basic_pie_test): New targets. (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets. (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets. (two_file_pie_test): New target. * testsuite/Makefile.in: Rebuild. * README: Remove note saying that -pie is not supported.
2009-10-13 * options.h (class General_options): Add -init and -fini.Ian Lance Taylor1-0/+6
* layout.cc (Layout::finish_dynamic_section): Emit given init and fini functions.
2009-10-13 * gc.h (gc_process_relocs): Check if icf is enabled using newSriraman Tallam1-3/+29
function. * gold.cc (queue_initial_tasks): Likewise. (queue_middle_tasks): Likewise. * object.cc (do_layout): Likewise. * symtab.cc (is_section_folded): Likewise. * main.cc (main): Likewise. * reloc.cc (Read_relocs::run): Likewise. (Sized_relobj::do_scan_relocs): Likewise. * icf.cc (is_function_ctor_or_dtor): New function. (Icf::find_identical_sections): Check if function is ctor or dtor when safe icf is chosen. * options.h (General_options::icf): Change option to be an enum. (Icf_status): New enum. (icf_enabled): New method. (icf_safe_folding): New method. (set_icf_status): New method. (icf_status_): New variable. * (options.cc) (General_options::finalize): Set icf_status_. * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify icf_test and icf_keep_unique_test to use the --icf enum flag. * testsuite/icf_safe_test.sh: New file. * testsuite/icf_safe_test.cc: New file.
2009-10-102009-10-10 Chris Demetriou <cgd@google.com>Chris Demetriou1-11/+30
* options.h (Input_file_argument::Input_file_type): New enum. (Input_file_argument::is_lib_): Replace with... (Input_file_argument::type_): New member. (Input_file_argument::Input_file_argument): Take Input_file_type 'type' rather than boolean 'is_lib' as second argument. (Input_file_argument::is_lib): Use type_. (Input_file_argument::is_searched_file): New function. (Input_file_argument::may_need_search): Handle is_searched_file. * options.cc (General_options::parse_library): Support -l:filename. (General_options::parse_just_symbols): Update for Input_file_argument changes. (Command_line::process): Likewise. * archive.cc (Archive::get_file_and_offset): Likewise. * plugin.cc (Plugin_manager::release_input_file): Likewise. * script.cc (read_script_file, script_add_file): Likewise. * fileread.cc (Input_file::Input_file): Likewise. (Input_file::will_search_for): Handle is_searched_file. (Input_file::open): Likewise. * readsyms.cc (Read_symbols::get_name): Likewise. * testsuite/Makefile.am (searched_file_test): New test. * testsuite/Makefile.in: Regenerate. * testsuite/searched_file_test.cc: New file. * testsuite/searched_file_test_lib.cc: New file.
2009-10-092009-10-09 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+15
* layout.cc (Layout::make_output_section): Call target hook to make ordinary output section. (Layout::finalize): Adjust parameter list of call the Target::may_relax(). * layout.h (class Layout::section_list): New method. * merge.h (Output_merge_base::entsize): Change visibility to public. (Output_merge_base::is_string, Output_merge_base::do_is_string): New methods. (Output_merge_string::do_is_string): New method. * object.cc (Sized_relobj::do_setup): renamed from Sized_relobj::set_up. * object.h (Sized_relobj::adjust_shndx, Sized_relobj::initializ_input_to_output_maps, Sized_relobj::free_input_to_output_maps): Change visibilities to protected. (Sized_relobj::setup): Virtualize. (Sized_relobj::do_setup): New method declaration. (Sized_relobj::invalidate_section_offset, Sized_relobj::do_invalidate_section_offset): New method decfinitions. (Sized_relobj::elf_file, Sized_relobj::local_values): New methods. * options.cc (parse_int): New function. * options.h (parse_int): New declaration. (DEFINE_int): New macro. (stub_group_size): New option. * output.cc (Output_section::Output_section): Initialize memebers merge_section_map_, merge_section_by_properties_map_, relaxed_input_section_map_, is_relaxed_input_section_map_valid_. (Output_section::add_input_section): Handled deferred code-fill generation and remove an old comment. (Output_section::add_relaxed_input_section): New method definition. (Output_section::add_merge_input_section): Use merge section by properties map to speed to search. Update merge section maps as appropriate. (Output_section::build_relaxation_map): New method definition. (Output_section::convert_input_sections_in_list_to_relaxed_sections): Same. (Output_section::relax_input_section): Renamed to Output_section::convert_input_sections_to_relaxed_sections and change interface to take a vector of pointers to relaxed sections. (Output_section::find_merge_section, Output_section::find_relaxed_input_section): New method definitions. (Output_section::is_input_address_mapped, Output_section::output_offset, Output_section::output_address): Use output section data maps to speed up searching. (Output_section::find_starting_output_address): Add comments. (Output_section::do_write, Output_section::write_to_postprocessing_buffer): Do code-fill generation as appropriate. (Output_section::get_input_sections): Invalidate relaxed input section map. (Output_section::restore_states): Adjust type of checkpoint . Invalidate relaxed input section map. * output.h (Output_merge_base): New class declaration. (Input_section_specifier): New class defintion. (class Output_relaxed_input_section) Change base class to Output_section_data_build. (Output_relaxed_input_section::Output_relaxed_input_section): Adjust base class initializer. (Output_section::add_relaxed_input_section): New method declaration. (Output_section::Input_section): Change visibility to protected. (Output_section::Input_section::relobj, Output_section::Input_section::shndx): Handle relaxed input sections. Output_section::input_sections) Change visibility to protected. Also define overload to return a non-const pointer. (Output_section::Merge_section_properties): New class defintion. (Output_section::Merge_section_by_properties_map, Output_section::Output_section_data_by_input_section_map, Output_section::Relaxation_map): New types. (Output_section::relax_input_section): Rename method to Output_section::convert_input_sections_to_relaxed_sections and change interface to take a vector of relaxed section pointers. (Output_section::find_merge_section, Output_section::find_relaxed_input_section, Output_section::build_relaxation_map, Output_section::convert_input_sections_in_list_to_relaxed_sections): New method declarations. (Output_section::merge_section_map_ Output_section::merge_section_by_properties_map_, Output_section::relaxed_input_section_map_, Output_section::is_relaxed_input_section_map_valid_, Output_section::generate_code_fills_at_write_): New data members. * script-sections.cc (Output_section_element_input::set_section_addresses): Call current_data_size and addralign methods of relaxed input sections. (Orphan_output_section::set_section_addresses): Call current_data_size and addralign methods of relaxed input sections. * symtab.cc (Symbol_table::compute_final_value): Extract template from the body of Symbol_table::sized_finalize_symbol. (Symbol_table::sized_finalized_symbol): Call Symbol_table::compute_final_value. * symtab.h (Symbol_table::Compute_final_value_status): New enum type. (Symbol_table::compute_final_value): New templated method declaration. * target.cc (Target::do_make_output_section): New method defintion. * target.h (Target::make_output_section): New method declaration. (Target::relax): Add more parameters for input objects, symbol table and layout. Adjust call to do_relax. (Target::do_make_output_section): New method declaration. (Target::do_relax): Add parameters for input objects, symbol table and layout.
2009-10-06 * options.h (class General_options): DefineIan Lance Taylor1-0/+4
split_stack_adjust_size parameter. * object.h (class Object): Add uses_split_stack_ and has_no_split_stack_ fields. Add uses_split_stack and has_no_split_stack accessor functions. Declare handle_split_stack_section. (class Reloc_symbol_changes): Define. (class Sized_relobj): Define Function_offsets. Declare split_stack_adjust, split_stack_adjust_reltype, and find_functions. * object.cc (Object::handle_split_stack_section): New function. (Sized_relobj::do_layout): Call handle_split_stack_section. * dynobj.cc (Sized_dynobj::do_layout): Call handle_split_stack_section. * reloc.cc (Sized_relobj::relocate_sections): Call split_stack_adjust for executable sections in split_stack objects. Pass reloc_map to relocate_section. (Sized_relobj::split_stack_adjust): New function. (Sized_relobj::split_stack_adjust_reltype): New function. (Sized_relobj::find_functions): New function. * target-reloc.h: Include "object.h". (relocate_section): Add reloc_symbol_changes parameter. Change all callers. * target.h (class Target): Add calls_non_split method. Declare do_calls_non_split virtual method. Declare match_view and set_view_to_nop. * target.cc: Include "elfcpp.h". (Target::do_calls_non_split): New function. (Target::match_view): New function. (Target::set_view_to_nop): New function. * gold.cc (queue_middle_tasks): Give an error if mixing split-stack and non-split-stack objects with -r. * i386.cc (Target_i386::relocate_section): Add reloc_symbol_changes parameter. (Target_i386::do_calls_non_split): New function. * x86_64.cc (Target_x86_64::relocate_section): Add reloc_symbol_changes parameter. (Target_x86_64::do_calls_non_split): New function. * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes parameter. * powerpc.cc (Target_powerpc::relocate_section): Add reloc_symbol_changes parameter. * sparc.cc (Target_sparc::relocate_section): Add reloc_symbol_changes parameter. * configure.ac: Call AM_CONDITIONAL for the default target. * configure: Rebuild. * testsuite/Makefile.am (TEST_AS): New variable. (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh. (check_DATA): Add split_i386 and split_x86_64 files. (SPLIT_DEFSYMS): Define. (split_i386_[1234n].o): New targets. (split_i386_[124]): New targets. (split_i386_[1234r].stdout): New targets. (split_x86_64_[1234n].o): New targets. (split_x86_64_[124]): New targets. (split_x86_64_[1234r].stdout): New targets. (MOSTLYCLEANFILES): Add new executables. * testsuite/split_i386.sh: New file. * testsuite/split_x86_64.sh: New file. * testsuite/split_i386_1.s: New file. * testsuite/split_i386_2.s: New file. * testsuite/split_i386_3.s: New file. * testsuite/split_i386_4.s: New file. * testsuite/split_i386_n.s: New file. * testsuite/split_x86_64_1.s: New file. * testsuite/split_x86_64_2.s: New file. * testsuite/split_x86_64_3.s: New file. * testsuite/split_x86_64_4.s: New file. * testsuite/split_x86_64_n.s: New file. * testsuite/testfile.cc (Target_test): Update relocation_section function. * testsuite/Makefile.in: Rebuild.
2009-10-012009-09-30 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+3
* arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function symbol and call Symbol::may_need_copy_reloc to determine if a copy reloc is needed. * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z nocopyreloc is given in command line. (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not given in command line. * i386.cc (Target_i386::may_need_copy_reloc): Remove. (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_i386::may_need_copy_reloc. * options.h (copyreloc): New option with default value false. * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove. (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_powerpc::may_need_copy_reloc. * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove. (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_sparc::may_need_copy_reloc. * symtab.h (Symbol::may_need_copy_reloc): New method definition. * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove. (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_x86_64::may_need_copy_reloc.
2009-09-18 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.Craig Silverstein1-1/+15
* options.cc: Include <cerrno> and <fstream>. (General_options::finalize): Parse -retain-symbols-file tag. * options.h: New flag. (General_options): New method should_retain_symbol, new variable symbols_to_retain. * symtab.cc (Symbol_table::sized_finalize_symbol): Test should_retain_symbol map. * testsuite/Makefile.am (retain_symbols_file_test): New test. * testsuite/Makefile.in: Regenerate. * testsuite/retain_symbols_file_test.sh: New file.
2009-08-25 * options.h (Command_line::Pre_options): New class.Cary Coutant1-0/+10
(Command_line::pre_options): New member. * options.cc (gold::options::ready_to_register): New variable. (One_option::register_option): Do nothing if not registering options. Assert if same short option registered twice. (General_options::General_options): Turn off option registration when done constructing. (Command_line::Pre_options::Pre_options): New constructor.
2009-08-24 (General_options::no_keep_memory): Remove incorrect short option.Cary Coutant1-2/+3
2009-08-12Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-1/+4
* icf.cc (Icf::find_identical_sections): Unfold symbols that have been maked as --keep-unique. (Icf::unfold_section): New function. * icf.h (Icf::unfold_section): New function. * options.h (General_options::keep_unique): New option. * testsuite/Makefile.am: Add commands to build icf_keep_unique_test. * testsuite/Makefile.in: Regenerate. * testsuite/icf_keep_unique_test.sh: New file. * testsuite/icf_keep_unique_test.cc: New file.
2009-08-05*** empty log message ***Sriraman Tallam1-0/+11
2009-06-24 PR 10237Ian Lance Taylor1-1/+8
* options.cc (General_options::parse_V): Set printed_version_. (General_options::General_options): Initialize printed_version_. * options.h (class General_options): Add printed_version_ field. * gold.cc (queue_initial_tasks): If there are no input files, don't give a fatal error if we printed the version information. (queue_middle_tasks): If using -r with a shared object, give a fatal error rather than an ordinary error.
2009-06-23 PR 10030Ian Lance Taylor1-0/+5
* yyscript.y: Parse TARGET. * script.cc (script_set_target): New function. * script-c.h (script_set_target): Declare. * options.cc (General_options::string_to_object_format): Rename from string_to_object_format in anonymous namespace. Change callers. * options.h (class General_options): Declare string_to_object_format.
2009-06-22 PR 10141Ian Lance Taylor1-7/+13
* options.h (class General_options): Add -z lazy and -z now. Sort -z options into alphabetical order. * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2009-06-052009-06-05 Doug Kwan <dougkwan@google.com>Doug Kwan1-0/+3
* Makefile.am (CCFILES): Add target.cc. * Makefile.in: Regenerate. * i386.cc (class Target_i386): Define new virtual method to override do_is_local_label_name in parent. * object.cc (Sized_relobj::do_count_local_symbols): Discard local symbols if --discard-locals or -X is given. * options.h (class General_options): Declare new options '--discard-locals' and '-X' for discarding locals. * target.h (class Target): Define new methods is_local_label_name. Declare new virtual method do_is_local_label_name. * target.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test. (check_SCRIPTS): Add discard_locals_test.sh. (check_DATA): Add discard_local_tests.syms. (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define. (discard_local_tests.syms, discard_locals_test.o): New make rules. * testsuite/Makefile.in: Regenerate. * testsuite/discard_locals_test.c: New file. * testsuite/discard_locals_test.sh: Same.
2009-05-192009-05-19 Doug Kwan <dougkwan@google.com>Cary Coutant1-0/+11
* archive.cc (Archive::Archive): Move constructor from archive.h to here. Initialize no_export_. (Archive::get_elf_object_for_member): Set no_export flag of object. * archive.h (Archive::Archive): Move constructor body to archive.cc. (Archive::no_export): New method. (Archive::no_export_): New field. * object.h (Object::Object): Initialize no_export_ to false. (Object::no_export, Object::set_no_export): New methods. (Object::no_export_): New field. * options.cc (General_options::parse_exclude_libs): New method. (General_options::check_excluded_libs) Same. * options.h (exclude_libs): New option. (General_options::check_excluded_libs): New method declaration. (General_options::excluded_libs_): New field. * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with default or protected visibility if an object has no-export flag set. testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test. (check_SCRIPTS): Add exclude_libs_test.sh. (check_DATA): Add exclude_libs_test.syms. (MOSTLYCLEANFILES): Add exclude_libs_test.syms, libexclude_libs_test_1.a and libexclude_libs_test_2.a. (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES, exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define. (exclude_libs_test.syms, libexclude_libs_test_1.a, libexclude_libs_test_2.a): New rules. * testsuite/Makefile.in: Regenerate. * testsuite/exclude_libs_test.c: New file. * testsuite/exclude_libs_test.sh: Ditto. * testsuite/exclude_libs_test_1.c: Ditto. * testsuite/exclude_libs_test_2.c: Ditto.
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