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2010-01-07 PR 11019Ian Lance Taylor2-0/+51
* object.cc: Instantiate Xindex::initialize_symtab_xindex and Xindex::read_symtab_xindex.
2010-01-072010-01-07 Doug Kwan <dougkwan@google.com>Doug Kwan2-66/+231
* arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE. (Insn_template::thumb16_bcond_insn): New method declaration. (Insn_template): Fix spelling. (Stub::thumb16_special): New method declaration. (Stub::do_write): Define virtual method which was previously pure virtual. (Stub::do_thumb16_special): New method declaration. (Stub::do_fixed_endian_write): New template member. (Reloc_stub::do_write): Remove. (Reloc_stub::do_fixed_endian_write): Remove. (Cortex_a8_stub): New class definition. (Stub_factory::make_cortex_a8_stub): New method definition. (Stub_factory::Stub_factory): Add missing static storage class qualifier for elf32_arm_stub_a8_veneer_blx.
2010-01-07 PR 10980Ian Lance Taylor3-6/+32
* 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 Taylor3-2/+15
* layout.cc (Layout::finish_dynamic_section): Implement -z text.
2010-01-07 * gc.h (Garbage_collection::Cident_section_map): New typedef.Sriraman Tallam9-11/+198
(Garbage_collection::cident_sections): New function. (Garbage_collection::add_cident_section): New function. (Garbage_collection::cident_sections_): New member. (gc_process_relocs): Add references to sections whose names are C identifiers. * gold.h (cident_section_start_prefix): New constant. (cident_section_stop_prefix): New constant. (is_cident): New function. * layout.cc (Layout::define_section_symbols): Replace string constants with the newly defined constants. * object.cc (Sized_relobj::do_layout): Track sections whose names are C identifiers. * testsuite/Makefile.am: Add gc_orphan_section_test. * testsuite/Makefile.in: Regenerate. * testsuite/gc_orphan_section_test.cc: New file. * testsuite/gc_orphan_section_test.sh: New file.
2010-01-07 PR 10980Ian Lance Taylor3-0/+13
* 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 Taylor2-0/+8
* options.h (class General_options): Add --warn-multiple-gp.
2010-01-07 * Makefile.am (incremental_dump_DEPENDENCIES): RemoveIan Lance Taylor3-5/+8
$(THREADSLIB) and $(LIBDL). * Makefile.in: Rebuild.
2010-01-06 PR 10980Ian Lance Taylor6-15/+141
* 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 Taylor5-8/+116
* 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 Taylor3-6/+10
allow_multiple_definition. * resolve.cc (Symbol_table::should_override): Don't test allow_multiple_definition.
2010-01-05 PR 10980Ian Lance Taylor12-21/+276
* 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 * symtab.cc (Symbol_table::add_from_object): Rename def parameterIan Lance Taylor2-53/+68
to is_default_version. Rename insdef to insdefault. (Symbol_table::add_from_relobj): Rename def to is_default_version and local to is_forced_local. (Symbol_table::add_from_pluginobj): Likewise. (Symbol_table::add_from_dynobj): Likewise. (Symbol_table::define_special_symbol): Rename insdef to insdefault.
2010-01-05 PR 10980Ian Lance Taylor3-3/+21
* 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 Taylor3-5/+39
* 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 Taylor2-1/+17
* options.h (class General_options): Add -G as a short version of --shared. Add no-op options -assert, -g, and -i.
2010-01-04 * gc.h (gc_process_relocs): Call is_section_foldable_candidate toSriraman Tallam4-12/+35
check for .text or .gnu.linkonce.t sections. * icf.cc (Icf::find_identical_sections): Ditto. Change the detection for mangled function name within the section name. * icf.h (is_section_foldable_candidate): New function.
2009-12-31 PR 10980Ian Lance Taylor2-2/+8
* options.h (class General_options): Permit two dashes with --retain-symbols-file.
2009-12-31 PR 10979Ian Lance Taylor2-0/+11
* layout.cc (Layout::relaxation_loop_body): If -Ttext was used, don't put the file header and segment headers in the text segment.
2009-12-31 PR 10979Ian Lance Taylor7-7/+146
* common.cc (Sort_commons::operator()): Stabilize sort when both entries are NULL. (Symbol_table::do_allocate_commons_list): When allocating common symbols, skip a symbol which is no longer common. * symtab.h (Symbol::is_common): Test whether the symbol comes from an object before checking its type. * testsuite/common_test_2.c: New file. * testsuite/common_test_3.c: New file. * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2. (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define. (common_test_2_LDFLAGS, common_test_2_LDADD): Define. (common_test_2_pic.o, common_test_2.so): New targets. (common_test_3_pic.o, common_test_3.so): New targets. * testsuite/Makefile.in: Rebuild.
2009-12-31 PR 10979Ian Lance Taylor4-0/+31
* script.cc (read_input_script): If we see a new SECTIONS clause, and we have added an input section, give an error. * layout.h (class Layout): Add have_added_input_section function. Add have_added_input_section_ field. * layout.cc (Layout::Layout): Initialize have_added_input_section_. (Layout::layout): Set have_added_input_section_. (Layout::layout_eh_frame): Likewise.
2009-12-31 PR 10931Ian Lance Taylor4-26/+104
* 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.
2009-12-31 PR 10916Ian Lance Taylor3-1/+18
* symtab.cc (Symbol_table::add_from_relobj): When not exporting symbols from this object, don't change the visibility of an undefined symbol. * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2009-12-30 PR 10861Ian Lance Taylor9-138/+351
* 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 10843Ian Lance Taylor2-2/+13
* target-reloc.h (relocate_for_relocatable): When copying a reloc, if the input symbol index is 0, make the output symbol index 0.
2009-12-30 PR 10670Ian Lance Taylor3-9/+27
* 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.
2009-12-30 PR 10450Ian Lance Taylor2-2/+15
* 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 PR 10450Ian Lance Taylor2-3/+11
* dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the GNU hash table if they need a dynamic value. Otherwise, don't add them if they are defined in a dynamic object or are forced local.
2009-12-30 PR 10450Ian Lance Taylor2-1/+10
* layout.cc (Layout::create_dynamic_symtab): Only set entsize of .gnu.hash table for a 32-bit target.
2009-12-30 PR 10450Ian Lance Taylor2-1/+8
* symtab.h (Symbol::needs_dynsym_entry): A symbol in both a regular and a dynamic object only needs a dynamic symbol table entry if it is externally visible.
2009-12-30 PR 10450Ian Lance Taylor3-20/+56
* i386.cc (class Target_i386): Initialize global_offset_table_ in constructor. Add global_offset_table_ field. (Target_i386::got_section): Set global_offset_table_. (Target_i386::do_finalize_sections): Set global_offset_table_ size. * x86_64.cc (class Target_x86_64): Initialize global_offset_table_ in constructor. Add global_offset_table_ field. (Target_x86_64::got_section): Set global_offset_table_. (Target_x86_64::do_finalize_sections): Set global_offset_table_ size.
2009-12-30 * layout.cc (Layout::Layout): Initialize increase_relro_.Ian Lance Taylor13-159/+336
(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 Taylor3-4/+42
* layout.cc (Layout::Layout): Initialize dynamic_symbol_ field. (Layout::create_initial_dynamic_sections): Set dynamic_symbol_. (Layout::finalize): Call set_dynamic_symbol_size. (Layout::set_dynamic_symbol_size): New function. * layout.h (class Layout): Add dynamic_symbol_ field. Declare set_dynamic_symbol_size.
2009-12-30 PR 10450Ian Lance Taylor3-6/+45
* 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.
2009-12-292009-12-29 Rafael Espindola <espindola@google.com>Rafael Ávila de Espíndola3-2/+7
* main.cc (main): Fix the sys time reporting. * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time reporting.
2009-12-29* options.cc (General_options::parse_version): Allow -v to exitSriraman Tallam2-0/+6
without an error if there is nothing to link.
2009-12-29 * configure.ac: Set the MCMODEL_MEDIUM conditional to false ifIan Lance Taylor3-2/+45
using a version of gcc before 4.1. * configure: Rebuild.
2009-12-292009-12-28 Chris Demetriou <cgd@google.com>Chris Demetriou2-1/+6
* attributes.cc (Output_attributes_section_data::do_write): Use std::vector::front rather than std::vector::data.
2009-12-29 * symtab.h (class Symbol_table): Add enum Defined.Ian Lance Taylor14-70/+177
* resolve.cc (Symbol_table::should_override): Add defined parameter. Change all callers. Test whether object is NULL before calling a method on it. (Symbol_table::report_resolve_problem): Add defined parameter. Change all callers. (Symbol_table::should_override_with_special): Likewise. * symtab.cc (Symbol_table::define_in_output_data): Add defined parameter. Change all callers. (Symbol_table::do_define_in_output_data): Likewise. (Symbol_table::define_in_output_segment): Likewise. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::define_as_constant): Likewise. (Symbol_table::do_define_as_constant): Likewise. * script.h (class Symbol_assignment): Add is_defsym parameter to constructor; change all callers. * script.cc (Script_options::add_symbol_assignment): Add is_defsym parameter. Change all callers. Add is_defsym_ field. (class Parser_closure): Add parsing_defsym parameter to constructor; change all callers. Add parsing_defsym accessor function. Add parsing_defsym_ field.
2009-12-29 * object.cc (Relobj::is_section_name_included): Fix formatting.Ian Lance Taylor2-2/+3
2009-12-29 * gold.cc (queue_middle_tasks): Fix formatting.Ian Lance Taylor2-1/+5
2009-12-24 * x86_64.cc (Target_x86_64::do_calls_non_split): RecognizeIan Lance Taylor2-1/+7
-fsplit-stack prologue when using %r11.
2009-12-23 * i386.cc (Target_i386::do_calls_non_split): RecognizeIan Lance Taylor2-1/+8
-fsplit-stack prologue for a function with a static chain.
2009-12-222009-12-21 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam2-2/+9
* options.cc (General_options::parse_version): Make -v continue and do the link like GNU ld does.
2009-12-172009-12-17 Rafael Avila de Espindola <espindola@google.com>Rafael Ávila de Espíndola10-11/+236
* Makefile.am (CCFILES): Add timer.cc. (HFILES): Add timer.h. * configure.ac: Check for sysconf and times. * main.cc: include timer.h. (main): Use Timer instead of get_run_time. * timer.cc: New. * timer.h: New. * workqueue.cc: include timer.h. (Workqueue::find_and_run_task): Report user, sys and wall time. * Makefile.in: Regenerate. * config.in: Regenerate. * configure: Regenerate.
2009-12-172009-12-16 Doug Kwan <dougkwan@google.com>Doug Kwan6-10/+50
* arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated sections. * object.cc (Sized_relobj::do_finalize_local_symbols): Handle relaxed input sections. * output.cc (Output_section::find_relaxed_input_section): Change return type to Output_relaxed_input_section pointer. Adjust code for new type of relaxed_input_section_map_. * output.h (Output_section::find_relaxed_input_section): Change return type to Output_relaxed_input_section pointer. (Output_section::Output_relaxed_input_section_by_input_section_map): New type. (Output_section::relaxed_input_section_map_): Change type to Output_section::Output_relaxed_input_section_by_input_section_map. * symtab.cc (Symbol_table::compute_final_value): Handle relaxed input section.
2009-12-15 * layout.cc (Layout::create_shstrtab): Only write out after inputIan Lance Taylor2-4/+13
sections if we are compressing debug sections.
2009-12-15 * archive.cc (Archive::add_symbols): Only look up a symbol withoutIan Lance Taylor2-0/+6
a version if there is, in fact, a version.
2009-12-14 Revert -Wshadow changes, all changes from:Ian Lance Taylor53-1768/+1778
2009-12-11 Doug Kwan <dougkwan@google.com> 2009-12-11 Nick Clifton <nickc@redhat.com> * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2009-12-122009-12-11 Doug Kwan <dougkwan@google.com>Doug Kwan5-23/+32
* arm.cc (Target_arm::do_finalize_sections): Fix build breakage due to -Wshadow. * attributes.cc (Object_attribute::size): Ditto. (Attributes_section_data::size): Ditto. (Attributes_section_data::Attributes_section_data): Ditto. (Output_attributes_section_data::do_write): Ditto. * attributes.h (Object_attribute::set_type): Ditto. * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
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