2013-04-26 Geoff Pike <gpike@chromium.org>
[deliverable/binutils-gdb.git] / gold / ChangeLog
index 1ee71dd6b8443857d92646f92af0839c15c5a5df..c7dad99cbd249e95375d1642787d3034a7845c7a 100644 (file)
@@ -1,3 +1,444 @@
+2013-04-26  Geoff Pike  <gpike@chromium.org>
+
+       * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
+       * layout.cc (Hash_task): New class.
+       (Layout::queue_build_id_tasks): New function.
+       (Layout::write_build_id): Handle single-thread portion of build ID
+       computation.  (In some cases, all of it is single-threaded.)  Replace
+       {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
+       functionality in fewer lines of code.
+       * layout.h (Layout::queue_build_id_tasks): New function declaration.
+       * options.h (General_options): make "--build-id" default to tree
+       rather than sha1.  Add two new options related to --build-id=tree:
+       --build-id-chunk-size-for-treehash and
+       --build-id-min-file-size-for-treehash.
+       * Makefile.am: add testing of --build-id=tree and related new options
+       (these tests will be invoked by "make check").
+       * Makefile.in: Regenerate.
+
+2013-04-25  Alan Modra  <amodra@gmail.com>
+
+       * configure.tgt: Add powerpcle and powerpc64le.
+
+2013-04-22  Alan Modra  <amodra@gmail.com>
+
+       PR gold/15355
+       * layout.cc (Layout::segment_precedes): Allow more than one
+       segment with the same type and flags.
+
+2013-04-15  Cary Coutant  <ccoutant@google.com>
+
+       * layout.cc (Layout::set_relocatable_section_offsets): Don't
+       allocate space in file for BSS sections.
+
+2013-04-15  Cary Coutant  <ccoutant@google.com>
+
+       * script-sections.cc (Orphan_output_section): Reset address
+       to zero after each orphaned section for relocatable links.
+
+2013-04-15  Cary Coutant  <ccoutant@google.com>
+
+       * symtab.cc (Symbol_table::sized_write_globals): Subtract
+       section starting address for relocatable link.
+       * testsuite/Makefile.am (script_test_11): New test.
+       * testsuite/Makefile.in: Regenerate.
+       * testsuite/script_test_11.c: New source file.
+       * testsuite/script_test_11.t: New linker script.
+
+2013-04-13  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
+       owner when sections are not adjacent and exceed group size.
+       (Target_powerpc::group_sections): Handle corner case.
+       (Target_powerpc::Branch_info::make_stub): Handle case where
+       stub table doesn't exist due to branches in non-exec sections.
+       (Target_powerpc::Relocate::relocate): Likewise.
+
+2013-04-11  Alan Modra  <amodra@gmail.com>
+
+       PR gold/15354
+       * powerpc.cc (Target_powerpc::make_brlt_section): Name section
+       .branch_lt to match bfd ld.  Adjust comments throughout file.
+
+2013-04-04  Ian Lance Taylor  <iant@google.com>
+
+       GCC PR c++/56840
+       * object.cc (do_layout_deferred_sections): Handle .eh_frame
+       sections before checking whether they are included in the link.
+
+2013-03-29  Sriraman Tallam  <tmsriram@google.com>
+
+       * archive.cc (Archive::get_elf_object_for_member):  Create the elf
+       object before calling the plugin claim_file handler.  Pass the elf
+       object of the archive to the plugin. Delete the elf object if the
+       plugin claims the file.
+
+2013-03-21  Alan Modra  <amodra@gmail.com>
+
+       * layout.cc (Layout::set_segment_offsets): Accept writable .text
+       segment when omagic.
+
+2013-03-21  Alan Modra  <amodra@gmail.com>
+
+       * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
+       comparison warning.
+       * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
+       uninitialized" warning.
+
+2013-03-20  Alan Modra  <amodra@gmail.com>
+
+       * symtab.h (Symbol::clear_version): New function.
+       * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
+       is_needed by weak references.  Clear version for symbols defined
+       in as-needed objects that are not needed.
+
+2013-03-15  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
+       static and public.  Add report_err param.  Return false for data refs.
+       (Target_powerpc::rela_dyn_section): New overloaded function.
+       (Target_powerpc::plt_, iplt_): Elucidate.
+       (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
+       (Output_data_plt_powerpc::do_write): Don't write .iplt.
+       (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
+       (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
+       calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
+       push_branch and make_plt_entry for ifunc syms when
+       reloc_needs_plt_for_ifunc.
+       (Target_powerpc::Relocate::relocate): Don't use plt entry value
+       for ifunc unless reloc_needs_plt_for_ifunc.
+
+2013-03-15  Alan Modra  <amodra@gmail.com>
+
+       * gc.h (gc_process_relocs): Don't look through function descriptors.
+       * icf.cc (get_section_contents): Do so here instead.
+
+2013-03-13  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (is_branch_reloc): Forward declare.
+       (Target_powerpc::do_can_check_for_function_pointers): New predicate.
+       (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
+       false for 64-bit, true for 32-bit non-branch relocs.
+       (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
+       * testsuite/Makefile.am (icf_test): Use linker map file instead of
+       nm output.
+       (icf_safe_test): Generate linker map file as well as nm output.
+       (icf_safe_so_test): Likewise.
+       * testsuite/Makefile.in: Regenerate.
+       * testsuite/icf_test.sh: Parse linker map file to determine
+       section folding.
+       * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
+       * testsuite/icf_safe_so_test.sh: Likewise.
+       (X86_32_or_ARM_specific_safe_fold): Merge into..
+       (arch_specific_safe_fold): ..this.
+       (X86_64_specific_safe_fold): Delete unused function.
+
+2013-03-12  Alan Modra  <amodra@gmail.com>
+
+       * gc.h (gc_process_relocs): Look through function descriptors
+       to determine shndx, symvalue and addend used by ICF.  Tidy
+       variable duplication.
+
+2013-03-11  Alan Modra  <amodra@gmail.com>
+
+       * gold.cc (queue_middle_tasks): Move detect_odr_violations..
+       * layout.cc (Layout_task_runner::run): ..to here.
+       * symtab.h (struct Symbol_location): Extract from..
+       (class Symbol_table): ..here.
+       * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
+       * target.h (class Target): Add function_location and
+       do_function_location functions.
+       (class Sized_target): Add do_function_location.
+       * object.h (class Sized_relobj_file): Move find_shdr..
+       (class Object): ..to here.
+       * object.cc: Likewise.  Update to suit.  Instantiate.
+       (Sized_relobj_file::find_eh_frame): Update find_shdr call.
+       * powerpc.cc (class Powerpc_dynobj): New.
+       (Target_powerpc::do_function_location): New function.
+       (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
+       (Powerpc_dynobj::do_read_symbols): New function.
+       (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
+
+2013-03-08  Ian Lance Taylor  <iant@google.com>
+
+       * options.cc (General_options::string_to_object_format): Accept
+       "default".
+
+2013-03-08  Alan Modra  <amodra@gmail.com>
+
+       * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
+       pointer to Post_fde.
+       (struct Post_fde): Move definition to here..
+       * ehframe.cc (struct Post_fde): ..from here.
+       (Cie::write): Don't alloc Post_fde.
+       (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
+
+2013-03-07  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/discard_locals_relocatable_test.c: Add a powerpc
+       relocation referencing .LC0.
+       * testsuite/discard_locals_test.sh: Remove FIXMEs.
+
+2013-03-07  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
+       always_inline.  Add assembly for powerpc to avoid GOT.
+
+2013-03-07  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/script_test_10.sh: Don't test .bss section
+       header number.
+
+2013-03-06  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (class Powerpc_relobj): Move some member functions.
+       (Target_powerpc::symval_for_branch):  Add symtab param.  Update
+       all callers.  Handle folded sections.
+       (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
+       to Powerpc_relobj.
+       (Global_symbol_visitor_opd::operator()): Likewise.
+
+2013-03-04  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
+       * testsuite/Makefile.in: Regenerate.
+
+2013-03-01  Cary Coutant  <ccoutant@google.com>
+
+       Add dwp support for v2 DWARF package file format.
+       * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
+       tu_length parameter.  Adjust all callers.
+       * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
+       * dwp.cc: Include dwarf.h.
+       (Section_bounds): New struct type.
+       (Unit_set): New struct type.
+       (Dwo_file::Dwo_file): Initialize new data member.
+       (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
+       Combine and rename to...
+       (Dwo_file::read_unit_index): ...this.
+       (Dwo_file::sized_read_compunit_index)
+       (Dwo_file::sized_read_typeunit_index): Combine and rename to...
+       (Dwo_file::sized_read_unit_index): ...this.
+       (Dwo_file::copy_section): Remove section_name, is_str_offsets
+       parameters; add section_id parameter.
+       (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
+       (Dwo_file::add_unit_set): ...this.
+       (Dwo_file::shndx_map_): Remove.
+       (Dwo_file::sect_offsets_): New data member.
+       (Dwp_output_file::Dwp_output_file): Initialize new data members.
+       (Dwp_output_file::add_section): Rename to...
+       (Dwp_output_file::add_contribution): ...this.
+       (Dwp_output_file::add_cu_set): Combine parameters into a struct.
+       (Dwp_output_file::add_tu_set): Likewise.
+       (Dwp_output_file::Contribution): New type.
+       (Dwp_output_file::Section::contributions): New data member.
+       (Dwp_output_file::Cu_or_tu_set): Remove.
+       (Dwp_output_file::Section::Section): New ctor.
+       (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
+       (Dwp_output_file::Dwp_index::Section_table): New type.
+       (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
+       (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
+       parameter.
+       (Dwp_output_file::Dwp_index::shndx_pool): Remove.
+       (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
+       (Dwp_output_file::Dwp_index::section_table): New member function.
+       (Dwp_output_file::Dwp_index::section_table_end): New member function.
+       (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
+       (Dwp_output_file::Dwp_index::section_table_rows): New member function.
+       (Dwp_output_file::Dwp_index::section_table_cols): New member function.
+       (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
+       (Dwp_output_file::Dwp_index::section_table_): New data member.
+       (Dwp_output_file::Dwp_index::section_mask_): New data member.
+       (Dwp_output_file::add_output_section): New member function.
+       (Dwp_output_file::write_new_section): New member function.
+       (Dwp_output_file::write_contributions): New member function.
+       (Dwp_output_file::section_id_map_): New data member.
+       (class Dwo_id_info_reader): Remove.
+       (class Unit_reader): New class.
+       (get_dwarf_section_name): New function.
+       (Dwo_file::read_executable): Adjust initializations of class data.
+       (Dwo_file::read): Add support for v2 package file format.
+       (Dwo_file::read_unit_index): Likewise.
+       (Dwo_file::sized_read_unit_index): Likewise.
+       (Dwo_file::copy_section): Likewise.
+       (Dwo_file::add_unit_set): Likewise.
+       (Dwp_output_file::add_output_section): Likewise.
+       (Dwp_output_file::add_contribution): Likewise.
+       (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
+       for empty slot.
+       (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
+       file format.
+       (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
+       slot.
+       (Dwp_output_file::initialize): Remove unused function.
+       (Dwp_output_file::finalize): Add support for v2 package file format.
+       (Dwp_output_file::write_index): Likewise.
+       * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
+       function prototype.
+
+2013-03-01  Cary Coutant  <ccoutant@google.com>
+
+       * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
+       function into class definition in header file.
+       (Dwarf_info_reader::warn_corrupt_debug_section): New function.
+       * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
+       New function.
+       (Dwarf_info_reader::check_buffer): Move here from .cc file.
+
+2013-02-28  Alan Modra  <amodra@gmail.com>
+
+       * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
+       * target.cc (Target::do_plt_fde_location): New function.
+       * ehframe.h (class FDE): Add post_map field to u_.from_linker,
+       accessor function, and constructor param.
+       (struct Post_fde, Post_fdes): Declare.
+       (Cie::write): Add post_fdes param.
+       * ehframe.cc (Fde::write): Use plt_fde_location.
+       (struct Post_fde): Define.
+       (Cie::write): Stash FDEs added post merge mapping.
+       (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
+       Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
+       (Eh_frame::do_sized_write): Arrange to write post map FDES after
+       other FDEs.
+       * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
+       (Target_powerpc::has_glink): New function.
+       (Target_powerpc::do_relax): Add eh_frame info for stubs.
+       (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
+       glink_eh_frame_fde_32, default_fde): New data.
+       (Stub_table::eh_frame_added_): New var.
+       (Stub_table::find_long_branch_entry, stub_address, stub_offset):
+       Make const.
+       (Stub_table::add_eh_frame): New function.
+       (Output_data_glink::add_eh_frame): New function.
+       (Target_powerpc::make_glink_section): Call add_eh_frame.
+
+2013-02-15  Ian Lance Taylor  <iant@google.com>
+
+       * options.h (DEFINE_uint64_alias): Define.
+       (class General_options): Add -Ttext-segment as an alias for
+       -Ttext.
+
+2013-02-15  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Stub_table::plt_off): New function, extracted from..
+       (Stub_table::do_write): ..here, two places.
+       (Stub_table::plt_call_size): Use it here too.
+
+2013-02-11  Ian Lance Taylor  <iant@google.com>
+
+       * descriptors.cc (Descriptors::close_all): New function.
+       * descriptors.h (class Descriptors): Declare close_all.
+       (close_all_descriptors): New inline function.
+       * plugin.cc: Include "descriptors.h".
+       (Plugin_manager::cleanup): Call close_all_descriptors.
+
+2013-02-06  Alan Modra  <amodra@gmail.com>
+
+       * README: Update coding style link.
+
+2013-01-28  Cary Coutant  <ccoutant@google.com>
+
+       * dwp.cc (File_list): New typedef.
+       (Dwo_name_info_reader): New class.
+       (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
+       (Dwo_id_info_reader::visit_top_die): Remove unused member function.
+       (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
+       (Dwo_file::read_executable): New function.
+       (Dwo_file::read): Move common setup code to ...
+       (Dwo_file::make_object): ... here.
+       (dwp_options): Add --exec/-e.
+       (usage): Likewise.
+       (main): Likewise.
+
+2013-01-24  Sriraman Tallam  <tmsriram@google.com>
+
+       * layout.cc (Layout::layout): Check for option text_reorder.
+       (Layout::make_output_section): Ditto.
+       * options.h (text_reorder): New option.
+       * output.cc (Input_section_sort_compare): Remove special ordering
+       of section names.
+       (Output_section::
+        Input_section_sort_section_name_special_ordering_compare::
+        operator()): New function.
+       (Output_section::sort_attached_input_sections): Use new sort function
+       for .text.
+       * output.h (Input_section_sort_section_name_special_ordering_compare):
+       New struct.
+       * testsuite/Makefile.am (text_section_grouping): Test option
+       --no-text-reorder
+       * testsuite/Makefile.in: Regenerate.
+       * testsuite/text_section_grouping.sh: Check order of functions without
+       default text reordering.
+
+2013-01-18  Mike Frysinger  <vapier@gentoo.org>
+
+       * options.h (General_options): Change default to true for new_dtags.
+
+2013-01-18  Mike Frysinger  <vapier@gentoo.org>
+
+       * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
+       when enable_new_dtags is false.  Only add DT_RUNPATH when
+       enable_new_dtags is true.
+
+2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
+
+       * powerpc.cc (Stub_table::find_plt_call_entry): Make types
+       used in declaration and definition consistent.
+       (Target_powerpc::symval_for_branch): Ditto.
+
+2013-01-16  Sriraman Tallam  <tmsriram@google.com>
+
+       * testsuite/plugin_final_layout.cc: Fix comment.
+
+2013-01-16  Sriraman Tallam  <tmsriram@google.com>
+
+       * layout.cc (Layout::layout): Do not do default sorting for
+       text sections when section ordering is specified.
+       (make_output_section): Ditto.
+       * testsuite/plugin_final_layout.cc: Name the function sections
+       to catch reordering issues.
+
+2013-01-15  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
+       plt-thread-safe.
+
+2013-01-15  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
+       * testsuite/Makefile.in: Regenerate.
+
+2013-01-14  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
+       * testsuite/Makefile.in: Regenerate.
+
+2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
+
+       PR bfd/14430
+       Fix mingw gold build with plugins enabled
+       * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
+       * configure.ac: Export DLOPEN_LIBS and add headers check.
+       * plugin.cc: Handle non-dlfcn case.
+       * Makefile.in: Regenerate.
+       * config.in: Regenerate.
+       * configure: Regenerate.
+       * testsuite/Makefile.in: Regenerate.
+
+2013-01-09  Sriraman Tallam  <tmsriram@google.com>
+
+       * output.h (sort_attached_input_sections): Change to be public.
+       * script-sections.cc
+       (Output_section_definition::set_section_addresses): Sort
+       attached input sections according to section order before linker
+       script assigns section addresses.
+       (Orphan_output_section::set_section_addresses): Sort
+       attached input sections according to section order before linker
+       script assigns section addresses.
+       * Makefile.am (final_layout.sh): Use a simple linker script to
+       check if section ordering still works.
+       * Makefile.in: Regenerate.
+
 2013-01-09  Ben Cheng  <bccheng@google.com>
 
        * arm.cc (Target_arm::attributes_accept_div): New function.
 
 2012-12-14  Cary Coutant  <ccoutant@google.com>
 
-       * testsuite/Makefile.am (exception_separate_shared_12_test): Add
-       --no-as-needed flag.
-       (exception_separate_shared_12_test): Likewise.
-       (incremental_copy_test): Likewise.
-       * testsuite/Makefile.in: Regenerate.
+       * testsuite/Makefile.am (exception_separate_shared_12_test): Add
+       --no-as-needed flag.
+       (exception_separate_shared_12_test): Likewise.
+       (incremental_copy_test): Likewise.
+       * testsuite/Makefile.in: Regenerate.
 
 2012-12-14  Cary Coutant  <ccoutant@google.com>
 
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