+2010-01-21 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_exidx_input_section): New class.
+ (Arm_relobj::exidx_input_section_by_link,
+ Arm_relobj::exidx_input_section_by_shndx,
+ Arm_relobj::make_exidx_input_section): New methods.
+ (read_arm_attributes_section): Remove.
+ (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
+ information about them.
+ (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
+ to here.
+
+2010-01-20 Doug Kwan <dougkwan@google.com>
+
+ * 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.
+
+2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+
+ * gold/arm.cc: Added support for R_ARM_V4BX relocation
+ (class Arm_v4bx_stub): New class.
+ (DEF_STUBS): Updated definition to support v4_veneer_bx.
+ (Stub_factory::make_arm_v4bx_stub): New method.
+ (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
+ (Stub_table::empty): Handle v4bx stubs.
+ (Stub_table::add_arm_v4bx_stub): New method.
+ (Stub_table::find_arm_v4bx_stub): New method.
+ (Arm_relocate_functions::v4bx): New method.
+ (Target_arm::fix_v4bx): New method.
+ (Target_arm::Target_arm): Handle R_ARM_V4BX.
+ (Stub_table::relocate_stubs): Likewise.
+ (Stub_table::do_write): Likewise.
+ (Stub_table::update_data_size_and_addralign): Likewise.
+ (Stub_table::finalize_stubs): Likewise.
+ (Target_arm::Scan::local): Likewise.
+ (Target_arm::Scan::global): Likewise.
+ (Target_arm::do_finalize_sections): Likewise.
+ (Target_arm::Relocate::relocate): Likewise.
+ (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
+ Likewise.
+ (Target_arm::scan_reloc_for_stub): Likewise.
+ (Target_arm::scan_reloc_section_for_stubs): Likewise.
+
+2010-01-19 Ian Lance Taylor <iant@google.com>
+
+ * 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.
+
+2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+
+ * arm.cc (Arm_relocate_functions::thm_jump6): New function.
+ (Arm_relocate_functions::thm_jump8): New function.
+ (Arm_relocate_functions::thm_jump11): New function.
+ (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
+ R_ARM_THM_JUMP11.
+ (Target_arm::Scan::global): Likewise.
+ (Target_arm::Relocate::relocate): Likewise.
+ (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
+ Likewise.
+
+2010-01-14 Doug Kwan <dougkwan@google.com>
+
+ * 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.
+
+2010-01-14 Sriraman Tallam <tmsriram@google.com>
+
+ * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
+ in the first pass of do_layout.
+
+2010-01-13 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
+ Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
+ apparent compiler problem of not folding static constant integral
+ data members of elfcpp::Elf_sizes<32>.
+
+2010-01-13 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
+ Arm_relobj::section_needs_cortex_a8_stub_scanning,
+ Arm_relobj::scan_section_for_cortex_a8_erratum,
+ Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
+ (Arm_relobj::scan_sections_for_stubs): Move code deciding what
+ sections to scan for relocation stubs into a new method
+ Arm_relobj::section_needs_reloc_stub_scanning. Handle both
+ relocation and Cortex-A8 stub scanning.
+ (Target_arm::do_relax): Force stubs to be after stubbed sections
+ if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
+ the beginning of a new relaxation pass. Update a comment.
+ (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
+
+2010-01-12 Ian Lance Taylor <iant@google.com>
+
+ * target-reloc.h (visibility_error): New inline function.
+ (relocate_section): Call visibility_error.
+ * testsuite/Makefile.am (check_DATA): Add protected_3.err.
+ (MOSTLYCLEANFILES): Likewise.
+ (protected_4_pic.o, protected_3.err): New targets.
+ * testsuite/protected_4.cc: New file.
+
+2010-01-12 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Cortex_a8_reloc): New class.
+ (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
+ and cortex_a8_relocs_info_.
+ (Target_arm::fix_cortex_a8): New method definition.
+ (Target_arm::Cortex_a8_relocs_info): New type.
+ (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
+ New data member declarations.
+ (Target_arm::scan_reloc_for_stub): Record information about
+ relocations for THUMB branches that might be exempted from the
+ Cortex-A8 workaround.
+ (Target_arm::do_relax): Clear all Cortex-A8 relocation information
+ at the beginning of a relaxation pass.
+
+2010-01-12 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
+ (Arm_relobj::Mapping_symbol_position,
+ Arm_reloj::Mapping_symbol_position_less,
+ Arm_relobj::Mapping_symbols_info): New types.
+ (Target_arm::is_mapping_symbol_name): New method definition.
+ (Arm_relobj::do_count_local_symbols): Save information about mapping
+ symbols.
+
+2010-01-11 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
+ Arm_relocate_functions::thumb32_branch_upper,
+ Arm_relocate_functions::thumb32_branch_lower,
+ Arm_relocate_functions::thumb32_cond_branch_offset,
+ Arm_relocate_functions::thumb32_cond_branch_upper,
+ Arm_relocate_functions::thumb32_cond_branch_lower,
+ Arm_relocate_functions::thm_jump19): New methods to handle THUMB
+ branch offset encoding.
+ (Arm_relocate_functions::thumb_branch_common): Use new branch
+ offset encoding methods to avoid code duplication.
+ (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
+ (Stub_addend_reader::operator()): Use new branch encoding method
+ to avoid code duplication.
+
+2010-01-11 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
+ (Target_arm::do_finalize_sections): Define special EXIDX section
+ symbols only if referenced.
+ * gc.h (Garbage_collection::add_reference): New method.
+ (gc_process_relocs): Use Garbage_collection::add_reference to avoid
+ code duplication.
+
+2010-01-11 Ian Lance Taylor <iant@google.com>
+
+ * script.cc (Version_script_info::build_expression_list_lookup):
+ Change complaing about duplicate wildcard match from error to
+ warning.
+
+ * script.cc (class Lazy_demangler): Recreate--revert part of patch
+ of 2009-12-30.
+ (Version_script_info::Version_script_info): Initialize globs_,
+ default_version_, default_is_global_, and exact_. Don't
+ initialize globals_ or locals_.
+ (Version_script_info::build_lookup_tables): Build local symbols
+ first.
+ (Version_script_info::unquote): New function.
+ (Version_script_info::add_exact_match): New function.
+ (Version_script_info::build_expression_list_lookup): Remove lookup
+ parameter. Add is_global parameter. Change all callers. Handle
+ wildcard pattern specially. Unquote pattern. Call
+ add_exact_match.
+ (Version_script_info::get_name_to_match): New function.
+ (Version_script_info::get_symbol_version): New function.
+ (Version_script_info::get_symbol_version_helper): Remove.
+ (Version_script_info::check_unmatched_names): Call unquote.
+ * script.h (class Version_script_info): Change get_symbol_version
+ to be non-inline and add is_global parameter; change all callers.
+ Rewrite symbol_is_local. Update declarations. Define struct
+ Version_tree_match, Exact, Globs. Don't define struct Lookup.
+ Remove globals_ and locals_ members. Add exact_, globs_,
+ default_version_, is_global_.
+ (Version_script_info::Glob): Remove pattern, add expression and
+ is_global. Update constructor. Change all callers.
+ * dynobj.cc (Versions::finalize): Mark the version symbol as the
+ default version.
+ (Versions::symbol_section_contents): If a symbol is undefined, or
+ defined in a dynamic object, set the version index to
+ VER_NDX_LOCAL.
+ * symtab.cc (Symbol_table::add_from_relobj): Don't call
+ symbol_is_local.
+ (Symbol_table::add_from_pluginobj): Likewise.
+ * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
+
+2010-01-11 Doug Kwan <dougkwan@google.com>
+
+ * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
+ (incremental_dump_LDADD): Add linking option for libintl.
+ * Makefile.in: Regenerate.
+
+2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gold/11144
+ * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
+ instead of -Ds.
+ * testsuite/Makefile.in: Regenerated.
+
+2010-01-10 Doug Kwan <dougkwan@google.com>
+
+ * options.h (DEFINE_var): Use parentheses around argument varname__
+ in macro body to avoid any unintended subsequent substitutions.
+
+2010-01-10 Ian Lance Taylor <iant@google.com>
+
+ * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
+ candidates before doing symbol resolution.
+
+ * resolve.cc (Symbol_table::resolve): Add symbols to the list of
+ ODR candidates if only one is weak.
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ * script.cc (Version_script_info::build_expression_list_lookup):
+ Don't warn about ambiguous version, just record the ambiguity.
+ (Version_script_info::get_symbol_version_helper): Give error if
+ version is ambiguous.
+
+2010-01-08 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
+ prev_data_size_ and prev_addralign_. Remove initializer for
+ deleted data member has_been_changed_.
+ (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
+ to determine if the table is empty.
+ (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
+ Remove.
+ (Stub_table::add_reloc_stub): Define method in class definition
+ instead of just declaring it there.
+ (Stub_table::add_cortex_a8_stub): New method definition.
+ (Stub_table::update_data_size_and_addralign): Ditto.
+ (Stub_table::finalize_stubs): Ditto.
+ (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
+ (Stub_table::do_addralign_): Return address alignment in the
+ (Stub_table::do_reset_address_and_file_offset): Define method in
+ class definition instead of declaring it there. Set current data
+ size to be the data size of the previous pass.
+ (Stub_table::set_final_data_size): Use current data size as the
+ final data size.
+ (Stub_table::relocate_stub): Change parameter type of stub from
+ Reloc_stub pointer to Stub pointer.
+ (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
+ (Stub_table::Cortex_a8_stub_list): New typedef.
+ (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
+ Stub_table::prev_addralign_): New data member.
+ (Arm_relobj::Arm_relobj): Initialize data member
+ section_has_cortex_a8_workaround_.
+ (Arm_relobj::section_has_cortex_a8_workaround,
+ Arm_relobj::mark_section_for_cortex_a8_workaround): New method
+ definitions.
+ (Arm_relobj::section_has_cortex_a8_workaround_): New data member
+ declarations.
+ (Target_arm::relocate_stub): Change parameter type of stub from
+ Reloc_stub pointer to Stub pointer.
+ (Insn_template::size, Insn_template::alignment): Handle
+ THUMB16_SPECIAL_TYPE.
+ (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
+ Stub_table::update_data_size_and_addralign,
+ Stub_table::apply_cortex_a8_workaround_to_address_range): New method
+ definitions.
+ (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
+ (Stub_table::do_write): Ditto.
+ (Target_arm::do_relax): Adjust code for changes in Stub_table.
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ PR 11108
+ * symtab.h (class Symbol): Remove fields is_target_special_ and
+ has_plt_offset_. Add field is_defined_in_discarded_section_.
+ (Symbol::is_defined_in_discarded_section): New function.
+ (Symbol::set_is_defined_in_discarded_section): New function.
+ (Symbol::has_plt_offset): Rewrite.
+ (Symbol::set_plt_offset): Verify that new offset is not -1U.
+ * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
+ Don't initialize is_target_special_ or has_plt_offset_.
+ Initialize is_defined_in_discarded_section_.
+ (Symbol_table::add_from_relobj): If appropriate, set
+ is_defined_in_discarded_section.
+ * resolve.cc (Symbol::override_base_with_special): Don't test
+ is_target_special_. Change has_plt_offset_ to has_plt_offset().
+ * target-reloc.h (relocate_section): Do special handling for
+ symbols defined in discarded sections for global symbols as well
+ as local symbols.
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
+ the SHT_SYMTAB case.
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ * object.cc (Sized_relobj::do_layout): Don't get confused if
+ layout_eh_frame returns NULL.
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ PR 11084
+ * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
+ dynamic symbol table, use the normal symbol table.
+ (Sized_dynobj::do_read_symbols): Remove assertion about type of
+ symbol table.
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ PR 11072
+ * layout.cc (Layout::include_section): Remove .gnu_debuglink
+ sections.
+
+2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
+
+ * version.cc (print_version): Change to "Copyright 2010".
+
+2010-01-08 Ian Lance Taylor <iant@google.com>
+
+ PR 10287
+ 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 Ian Lance Taylor <iant@google.com>
+
+ PR 11061
+ * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
+ function.
+ (class Output_data_reloc_generic): Define.
+ (class Output_data_reloc_base): Change base class to
+ Output_data_reloc_generic. Change add() method to call
+ bump_relative_reloc_count for a relative reloc. Remove
+ sort_relocs_ field.
+ * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
+ to sort_relocs().
+ * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
+ Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
+ appropriate.
+ * layout.h (class Layout): Update declaration.
+
+2010-01-07 Ian Lance Taylor <iant@google.com>
+
+ * output.h (class Output_data): Add const version of
+ output_section and do_output_section.
+ (class Output_section_data): Add const version of
+ do_output_section.
+ (class Output_section): Likewise.
+ * layout.cc (Layout::add_target_dynamic_tags): New function.
+ * layout.h (class Layout): Update declarations.
+ * arm.cc (Target_arm::do_finalize_sections): Use
+ add_target_dynamic_tags.
+ * i386.cc (Target_i386::do_finalize_sections): Likewise.
+ * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
+ * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
+ * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
+
+2010-01-07 Ian Lance Taylor <iant@google.com>
+
+ PR 11042
+ * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
+ object as needed.
+
+2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
+ Ian Lance Taylor <iant@google.com>
+
+ PR 11019
+ * object.cc: Instantiate Xindex::initialize_symtab_xindex and
+ Xindex::read_symtab_xindex.
+
+2010-01-07 Doug Kwan <dougkwan@google.com>
+
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ PR 10980
+ * options.h (class General_options): Add --warn-unresolved-symbols
+ and --error-unresolved-symbols.
+ * errors.cc (Errors::undefined_symbol): Implement
+ --warn-unresolved-symbols.
+
+ * options.h (class General_options): Add -z text and -z textoff.
+ * layout.cc (Layout::finish_dynamic_section): Implement -z text.
+
+2010-01-06 Sriraman Tallam <tmsriram@google.com>
+
+ * gc.h (Garbage_collection::Cident_section_map): New typedef.
+ (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.
+
+2010-01-06 Ian Lance Taylor <iant@google.com>
+
+ PR 10980
+ * options.h (class General_options): Add --warn-shared-textrel.
+ * layout.cc (Layout::finish_dynamic_section): Implement
+ --warn-shared-textrel.
+
+ PR 10980
+ * options.h (class General_options): Add --warn-multiple-gp.
+
+2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+
+ * Makefile.am (incremental_dump_DEPENDENCIES): Remove
+ $(THREADSLIB) and $(LIBDL).
+ * Makefile.in: Rebuild.
+
+2010-01-06 Ian Lance Taylor <iant@google.com>
+
+ PR 10980
+ * 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.
+
+2010-01-05 Ian Lance Taylor <iant@google.com>
+
+ PR 10980
+ * 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.
+
+ * options.h (class General_options): Use DEFINE_bool_alias for
+ allow_multiple_definition.
+ * resolve.cc (Symbol_table::should_override): Don't test
+ allow_multiple_definition.
+
+ PR 10980
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ * symtab.cc (Symbol_table::add_from_object): Rename def parameter
+ 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.
+
+2010-01-04 Ian Lance Taylor <iant@google.com>
+
+ PR 10980
+ * 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.
+
+ PR 10980
+ * 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.
+
+ PR 10980
+ * options.h (class General_options): Add -G as a short version of
+ --shared. Add no-op options -assert, -g, and -i.
+
+2010-01-04 Sriraman Tallam <tmsriram@google.com>
+
+ * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
+ 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.
+
+2009-12-30 Ian Lance Taylor <iant@google.com>
+
+ PR 10980
+ * options.h (class General_options): Permit two dashes with
+ --retain-symbols-file.
+
+2009-12-30 Ian Lance Taylor <iant@google.com>
+
+ PR 10979
+ * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
+ don't put the file header and segment headers in the text
+ segment.
+
+ PR 10979
+ * 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.
+
+ PR 10979
+ * script.cc (read_input_script): If we see a new SECTIONS clause,
+ and we have added an input section, give an error.
+ * layout.h (class Layout): Add have_added_input_section function.
+ Add have_added_input_section_ field.
+ * layout.cc (Layout::Layout): Initialize
+ have_added_input_section_.
+ (Layout::layout): Set have_added_input_section_.
+ (Layout::layout_eh_frame): Likewise.
+
+2009-12-30 Ian Lance Taylor <iant@google.com>
+
+ PR 10931
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ PR 10916
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ PR 10861
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ PR 10843
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ PR 10670
+ * 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 Ian Lance Taylor <iant@google.com>
+
+ PR 10450
+ * 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.
+
+ PR 10450
+ * 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.
+
2009-12-29 Ian Lance Taylor <iant@google.com>
PR 10450