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2011-06-28 * target.h (Target::can_check_for_function_pointers): Rewrite.Ian Lance Taylor1-2/+2
Make non-virtual. (Target::can_icf_inline_merge_sections): Likewise. (Target::section_may_have_icf_unsafe_poineters): Likewise. (Target::Target_info): Add can_icf_inline_merge_sections field. (Target::do_can_check_for_function_pointers): New virtual function. (Target::do_section_may_have_icf_unsafe_pointers): Likewise. * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename from can_check_for_function_pointers, move in file. (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from section_may_have_icf_unsafe_poineters, move in file. (Target_arm::arm_info): Initialize can_icf_inline_merge_sections. * i386.cc (Target_i386::do_can_check_for_function_pointers): Rename from can_check_for_function_pointers, move in file. (Target_i386::can_icf_inline_merge_sections): Remove. (Target_i386::i386_info): Initialize can_icf_inline_merge_sections. * powerpc.cc (Target_powerpc::powerpc_info) [all versions]: Initialize can_icf_inline_merge_sections. * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise. * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers): Rename from can_check_for_function_pointers, move in file. (Target_x86_64::can_icf_inline_merge_sections): Remove. (Target_x86_64::x86_64_info): Initialize can_icf_inline_merge_sections. * testsuite/testfile.cc (Target_test::test_target_info): Likewise. * icf.cc (get_section_contents): Correct formatting.
2011-02-022011-02-02 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-11/+10
* icf.h (is_section_foldable_candidate): Change type of parameter to std::string. * icf.cc (Icf::find_identical_sections): Change type of local variable section_name to be std::string. (is_function_ctor_or_dtor): Change type of parameter to std::string.
2011-01-252011-01-25 Doug Kwan <dougkwan@google.com>Doug Kwan1-17/+7
* gold/icf.cc (get_section_contents): Always lock section's object.
2010-12-14Fix typos in gold.Ralf Wildenhues1-2/+2
gold/: * dwarf_reader.cc: Remove outdated comment. * gold-threads.cc: Fix typo in error message. * archive.cc: Fix typos in comments. * archive.h: Likewise. * arm-reloc-property.cc: Likewise. * arm-reloc-property.h: Likewise. * arm-reloc.def: Likewise. * arm.cc: Likewise. * attributes.h: Likewise. * cref.cc: Likewise. * ehframe.cc: Likewise. * fileread.h: Likewise. * gold.h: Likewise. * i386.cc: Likewise. * icf.cc: Likewise. * incremental.h: Likewise. * int_encoding.cc: Likewise. * layout.h: Likewise. * main.cc: Likewise. * merge.h: Likewise. * object.cc: Likewise. * object.h: Likewise. * options.cc: Likewise. * readsyms.cc: Likewise. * reduced_debug_output.cc: Likewise. * reloc.cc: Likewise. * script-sections.cc: Likewise. * sparc.cc: Likewise. * symtab.h: Likewise. * target-reloc.h: Likewise. * target.cc: Likewise. * target.h: Likewise. * timer.cc: Likewise. * timer.h: Likewise. * x86_64.cc: Likewise.
2010-11-05 PR gold/10708Cary Coutant1-0/+22
* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the object when reading from the file. * gold.cc (queue_middle_tasks): Hold a lock on the object when doing second layout pass. * icf.cc (preprocess_for_unique_sections): Hold a lock on the object when reading section contents. (get_section_contents): Likewise. (icf::find_identical_sections): Likewise. * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the object when reading from the file. * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on the object when doing deferred section layout.
2010-09-282010-09-28 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-1/+2
* target.h (Target::can_icf_inline_merge_sections): New virtual function. * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New virtual function. * i386.cc (Target_i386::can_icf_inline_merge_sections): New virtual function. * icf.cc (get_section_contents): Inline merge sections only when target allows it.
2010-07-29 * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add templateSriraman Tallam1-1/+47
paramter to the call to gold::gc_process_relocs. * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template paramter to the call to gold::gc_process_relocs. * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template parameter to the call to gold::gc_process_relocs. * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add template parameter to the call to gold::gc_process_relocs. * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template paramter to the call to gold::gc_process_relocs. * gc.h (get_embedded_addend_size): New function. (gc_process_relocs): Save the size of the reloc for use by ICF. * icf.cc (get_section_contents): Get the addend from the text section for SHT_REL relocation sections. * icf.h (Icf::Reloc_addend_size_info): New typedef. (Icf::Reloc_info): Add new member reloc_addend_size_info. * int_encoding.h (read_from_pointer): New overloaded function. * testsuite/Makefile.am (icf_sht_rel_addend_test): New test. * testsuite/icf_sht_rel_addend_test.sh: New file. * testsuite/icf_sht_rel_addend_test_1.cc: New file. * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2010-04-232010-04-23 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-2/+22
* gc.h (gc_process_relocs): Pass information on relocs pointing to sections that are not ordinary to icf. * icf.cc (get_section_contents): Handle relocation pointing to section with no object or shndx information. * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh * testsuite/Makefile.in: Regenerate. * testsuite/icf_virtual_function_folding_test.cc: Remove printf. * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2010-04-202010-04-18 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-2/+14
* icf.cc (get_section_contents): Check for preemptible functions. Ignore addend when appropriate. * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for section folded. (add_from_relobj): Check for section folded. (set_dynsym_indexes): Fix call to should_add_dynsym_entry. * symtab.h (should_add_dynsym_entry): Add new parameter. * target-reloc.h (scan_relocs): Check for section folded. * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc): Check reloc types for function pointers in shared objects. * testsuite/Makefile.am (icf_virtual_function_folding_test): New test case. (icf_preemptible_functions_test): New test case. (icf_string_merge_test): New test case. * testsuite.Makefile.in: Regenerate. * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and bar_glob. Refactor code. * testsuite/icf_preemptible_functions_test.cc: New file. * testsuite/icf_preemptible_functions_test.sh: New file. * testsuite/icf_string_merge_test.cc: New file. * testsuite/icf_string_merge_test.sh: New file. * testsuite/icf_virtual_function_folding_test.cc: New file. * testsuite/icf_virtual_function_folding_test.sh: New file.
2010-03-102010-03-09 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-0/+1
* icf.cc (get_section_contents): Add '@' marker after processing the merge reloc.
2010-02-222010-02-22 Doug Kwan <dougkwan@google.com>Doug Kwan1-2/+7
* gold-threads.h (Once::~Once): Explicitly define virtual destructor. * icf.cc (get_section_contents): Cast snprintf arguments to long long types to avoid warnings due to different uint64_t implementations on different hosts.
2010-02-212010-02-20 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-19/+18
* gc.h (gc_process_relocs): Change vectors to point to the new list. Add reloc offset information. * icf.cc (get_section_contents): Change iterators to point to the new vectors. Add reloc offset information to the contents. * icf.h (Icf::Sections_reachable_info): New typedef. (Icf::Sections_reachable_list): New typedef. (Icf::Offset_info): New typedef. (Icf::Reloc_info): New struct typedef. (Icf::Reloc_info_list): New typedef. (Icf::symbol_reloc_list): Delete method. (Icf::addend_reloc_list): Delete method. (Icf::section_reloc_list): Delete method. (Icf::reloc_info_list): New method. (Icf::reloc_info_list_): New member.
2010-02-132010-02-12 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-4/+39
* 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.
2010-01-04 * gc.h (gc_process_relocs): Call is_section_foldable_candidate toSriraman Tallam1-9/+12
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.
2009-12-14 Revert -Wshadow changes, all changes from:Ian Lance Taylor1-3/+3
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 Clifton1-3/+3
Fix up all warnings generated by the addition of this switch.
2009-10-13 * gc.h (gc_process_relocs): Check if icf is enabled using newSriraman Tallam1-1/+23
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.
2009-08-132009-08-12 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-3/+6
* icf.cc (Icf::find_identical_sections): Issue a warning when a symbol in the --keep-unique list is not found.
2009-08-12Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-0/+38
* 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/+634
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