Fix problem with ICF where diffs in EH frame info is ignored.
[deliverable/binutils-gdb.git] / gold / ChangeLog
index 2841bc02dba10329753cdc63798ea32b1f6cc9a1..5d23e71851c73cdbcb1ef609ddd5d65002ba9ab6 100644 (file)
-2018-04-02  Cary Coutant  <ccoutant@gmail.com>
-
-       PR gold/23016
-       * incremental.cc (can_incremental_update): Check for unwind section
-       type.
-       * layout.h (Layout::layout): Add sh_type parameter.
-       * layout.cc (Layout::layout): Likewise.
-       (Layout::layout_reloc): Create new output reloc section if data
-       section does not already have one.
-       (Layout::layout_eh_frame): Check for unwind section type.
-       (Layout::make_eh_frame_section): Use unwind section type for .eh_frame
-       and .eh_frame_hdr.
-       * object.h (Sized_relobj_file::Shdr_write): New typedef.
-       (Sized_relobj_file::layout_section): Add sh_type parameter.
-       (Sized_relobj_file::Deferred_layout::Deferred_layout): Add sh_type
-       parameter.
-       * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
-       unwind section type.
-       (Sized_relobj_file::layout_section): Add sh_type parameter; pass it
-       to Layout::layout.
-       (Sized_relobj_file::do_layout): Make local copy of sh_type.
-       Force .eh_frame sections to unwind section type.
-       Pass sh_type to layout_section.
-       (Sized_relobj_file<size, big_endian>::do_layout_deferred_sections):
-       Pass sh_type to layout_section.
-       * output.cc (Output_section::Output_section): Initialize reloc_section_.
-       * output.h (Output_section::reloc_section): New method.
-       (Output_section::set_reloc_section): New method.
-       (Output_section::reloc_section_): New data member.
-       * target.h (Target::unwind_section_type): New method.
-       (Target::Target_info::unwind_section_type): New data member.
-
-       * aarch64.cc (aarch64_info): Add unwind_section_type.
-       * arm.cc (arm_info, arm_nacl_info): Likewise.
-       * i386.cc (i386_info, i386_nacl_info, iamcu_info): Likewise.
-       * mips.cc (mips_info, mips_nacl_info): Likewise.
-       * powerpc.cc (powerpc_info): Likewise.
-       * s390.cc (s390_info): Likewise.
-       * sparc.cc (sparc_info): Likewise.
-       * tilegx.cc (tilegx_info): Likewise.
-       * x86_64.cc (x86_64_info, x86_64_nacl_info): Likewise.
-
-       * testsuite/Makefile.am (pr23016_1, pr23016_2): New test cases.
-       * testsuite/Makefile.in: Regenerate.
-       * testsuite/testfile.cc: Add unwind_section_type.
-       * testsuite/pr23016_1.sh: New test script.
-       * testsuite/pr23016_1a.s: New source file.
-       * testsuite/pr23016_1b.s: New source file.
-       * testsuite/pr23016_2.sh: New test script.
-       * testsuite/pr23016_2a.s: New source file.
-       * testsuite/pr23016_2b.s: New source file.
-
-2018-03-28  Cary Coutant  <ccoutant@gmail.com>
-
-       PR gold/21423
-       PR gold/22500
-       * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
-       Replace check for --enable-plugins with AC_PLUGINS.
-       * options.cc (parse_plugin, parse_plugin_opt): Remove #ifdef.
-       (General_options::finalize): Check if plugins enabled.
-       * options.h (--plugin, --plugin-opt): Define even if plugins not
-       enabled.
-       * Makefile.in: Regenerate.
-       * aclocal.m4: Regenerate.
-       * configure: Regenerate.
+2019-05-10  Joshua Oreman  <oremanj@hudson-trading.com>
+
+       PR gold/21066
+       * gc.h (gc_process_relocs): Track relocations in .eh_frame sections
+       when ICF is enabled, even though the .eh_frame sections themselves
+       are not foldable.
+       * icf.cc (get_section_contents): Change arguments to permit operation
+       on just part of a section. Include extra identity regions in the
+       referring section's contents recursively.
+       (match_sections): Lock object here instead of in get_section_contents
+       so that get_section_contents can operate recursively.
+       (Icf::add_ehframe_links): New method.
+       (Icf::find_identical_sections): Pass .eh_frame sections to
+       add_ehframe_links(). Increase default iteration count from 2 to 3
+       because handling exception info typically requires one extra iteration.
+       * icf.h (Icf::extra_identity_list_): New data member with accessor.
+       (is_section_foldable_candidate): Include .gcc_except_table sections.
+       * options.h: Update documentation for new default ICF iteration count.
+       * testsuite/Makefile.am (icf_test_pr21066): New test case.
        * testsuite/Makefile.in: Regenerate.
+       * testsuite/icf_test_pr21066.cc: New source file.
+       * testsuite/icf_test_pr21066.sh: New test script.
 
-2018-03-28  Cary Coutant  <ccoutant@gmail.com>
-
-       PR gold/22969
-       * aarch64-reloc.def: Add TLSLE_LDST* relocations.
-       * aarch64.cc (Target_aarch64::optimize_tls_reloc): Likewise.
-       (Target_aarch64::Scan::local): Likewise.
-       (Target_aarch64::Scan::global): Likewise.
-       (Target_aarch64::Relocate::relocate): Likewise.
-       (Target_aarch64::Relocate::relocate_tls): Likewise.
-
-2018-03-27  Roland McGrath  <mcgrathr@google.com>
-
-       * testsuite/split_x86_64.sh: Fix bad regexp.
+2019-02-19  Egeyar Bagcioglu  <egeyar.bagcioglu@oracle.com>
 
-2018-03-26  Cary Coutant  <ccoutant@gmail.com>
+     PR gold/23870
+     * aarch64.cc (Target_aarch64::Scan::global): Check if a symbol with
+     R_AARCH64_MOVW_.ABS_* relocations requires a PLT entry.
+     * testsuite/Makefile.am: Add aarch64_pr23870 test case.
+     * testsuite/Makefile.in: Regenerate.
+     * testsuite/aarch64_pr23870_bar.c: New file.
+     * testsuite/aarch64_pr23870_foo.c: New file.
+     * testsuite/aarch64_pr23870_main.S: New file.
 
-       PR gold/22868
-       * plugin.cc (Sized_pluginobj::do_add_symbols): Use a real section
-       index instead of SHN_ABS for defined symbols.
-       * testsuite/Makefile.am (plugin_pr22868): New test case.
-       * testsuite/Makefile.in: Regenerate
-       * testsuite/plugin_pr22868.sh: New test script.
-       * testsuite/plugin_pr22868_a.c: New source file.
-       * testsuite/plugin_pr22868_b.c: New source file.
+2019-02-12  Nick Clifton  <nickc@redhat.com>
 
-2018-03-23  Cary Coutant  <ccoutant@gmail.com>
-
-       * plugin.cc (link_or_copy_file): Remove newlines from warning messages.
-       Add pedantic check for return value from ::write.
-
-2018-03-23  Cary Coutant  <ccoutant@gmail.com>
-
-       * debug.h (DEBUG_PLUGIN): New constant.
-       (DEBUG_ALL): Add DEBUG_PLUGIN.
-       (debug_string_to_enum): Likewise.
-       * plugin.cc (make_sized_plugin_object): Add filename parameter.
-       (Plugin_recorder): New class.
-       (Plugin_manager::~Plugin_manager): Delete recorder_.
-       (Plugin_manager::load_plugins): Create and initialize recorder_.
-       (Plugin_manager::claim_file): Record claimed and unclaimed files.
-       (Plugin_manager::make_plugin_object): Use object name as name for
-       plugin object, if available.
-       (Plugin_manager::add_input_file): Record replacement files.
-       (Sized_pluginobj::do_add_symbols): Record plugin symbols.
-       (Plugin_finish::run): Call Plugin_recorder::finish().
-       (make_sized_plugin_object): Add filename parameter and pass to
-       Sized_pluginobj constructor.
-       * plugin.h (Plugin::filename): New method.
-       (Plugin::recorder): New method.
-       (Plugin::recorder_): New data member.
-
-2018-03-07  Sriraman Tallam  <tmsriram@google.com>
-
-       * layout.cc (Layout::default_section_order): Check for text section
-       prefixes.
-       (Layout::text_section_name_mapping): New static member.
-       (Layout::text_section_name_mapping_count): New static member.
-       (Layout::match_section_name): New static function.
-       (Layout::output_section_name): Check for text section prefixes.
-       * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value.
-       (Output_section_order::ORDER_TEXT_STARTUP): New enum value.
-       (Output_section_order::ORDER_TEXT_EXIT): New enum value.
-       (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value.
-       (Layout::text_section_name_mapping): New static member.
-       (Layout::text_section_name_mapping_count): New static member.
-       (Layout::match_section_name): New static function.
-       * options.h (keep_text_section_prefix): New -z option.
-       * testsuite/Makefile.am (keep_text_section_prefix): New test.
-       * testsuite/Makefile.in: Regenerate.
-       * testsuite/keep_text_section_prefix.cc: New test source.
-       * testsuite/keep_text_section_prefix.sh: New test script.
-
-2018-02-22  Sriraman Tallam  <tmsriram@google.com>
-
-       * plugin.cc (get_wrap_symbols): New plugin interface.
-       (load): Add get_wrap_symbols to transfer vector.
-       * plugin-api.h (ld_plugin_get_wrap_symbols): New plugin interface.
-       * testsuite/plugin_test.c (onload): Call and check get_wrap_symbols
-       interface.
-       * testsuite/plugin_test_wrap_symbols.sh: New test script.
-       * testsuite/plugin_test_wrap_symbols_1.cc: New file.
-       * testsuite/plugin_test_wrap_symbols_2.cc: New file.
-       * testsuite/Makefile.am (plugin_test_wrap_symbols): New test.
-       * testsuite/Makefile.in: Regenerate.
+       * po/fr.po: Updated French translation.
 
-2018-02-07  Sriraman Tallam  <tmsriram@google.com>
-
-       * expression.cc (Symbol_expression::set_expr_sym_in_real_elf):
-       New method.
-       (Unary_expression::set_expr_sym_in_real_elf): New method.
-       (Binary_expression::set_expr_sym_in_real_elf): New method.
-       (Trinary_expression::set_expr_sym_in_real_elf): New method.
-       * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if
-       defined or used in defsyms.
-       * plugin.h (Plugin_manager::is_defsym_def): New method.
-       (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_.
-       (Plugin_manager::defsym_defines_set_): New member.
-       (Plugin_manager::Defsym_defines_set): New typedef.
-       * script.cc (Script_options::set_defsym_uses_in_real_elf): New method.
-       (Script_options::find_defsym_defs): New method.
-       * script.h (Expression::set_expr_sym_in_real_elf): New method.
-       (Symbol_assignment::is_defsym): New method.
-       (Symbol_assignment::value): New method.
-       (Script_options::find_defsym_defs): New method.
-       (Script_options::set_defsym_uses_in_real_elf): New method.
-       * testsuite/Makefile.am (plugin_test_defsym): New test.
-       * testsuite/Makefile.in: Regenerate.
-       * testsuite/plugin_test.c: Check for new symbol resolution.
-       * testsuite/plugin_test_defsym.sh: New script.
-       * testsuite/plugin_test_defsym.c: New test source.
-
-2018-02-07  Alan Modra  <amodra@gmail.com>
-
-       Revert 2018-01-17  Alan Modra  <amodra@gmail.com>
-       * options.h: Remove --speculate-indirect-jumps support.
-       * powerpc.cc: Likewise.
-
-2018-02-02  Cary Coutant  <ccoutant@gmail.com>
-
-       * PR gold/22776
-       * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog): Add
-       support for DWARF-4 line number tables.
-       * dwarf_reader.h (Sized_dwarf_line_info::max_ops_per_insn): New field.
-
-2018-01-18  Alan Modra  <amodra@gmail.com>
-
-       * powerpc.cc (param_plt_align): New function supplying default
-       --plt-align values.  Use it..
-       (Stub_table::plt_call_align): ..here, and..
-       (Output_data_glink::global_entry_align): ..here.
-       (Stub_table::stub_align): Correct 32-bit minimum alignment.
-
-2018-01-17  Alan Modra  <amodra@gmail.com>
-
-       * options.h (speculate_indirect_jumps): New option.
-       * powerpc.cc (beqctrm, beqctrlm, crseteq): New insn constants.
-       (output_bctr): New function.
-       (Stub_table::plt_call_size): Add space for speculation barrier.
-       (Stub_table::branch_stub_size): Likewise.
-       (Output_data_glink::pltresolve_size): Likewise.
-       (Stub_table::do_write): Output speculation barriers.
-
-2018-01-17  Alan Modra  <amodra@gmail.com>
-
-       * options.h (plt_align): Support for PowerPC32 too.
-       * powerpc.cc (Stub_table::stub_align): Heed --plt-align for 32-bit.
-       (Stub_table::plt_call_size, branch_stub_size): Tidy.
-       (Stub_table::plt_call_align): Implement using stub_align.
-       (Output_data_glink::global_entry_align): New function.
-       (Output_data_glink::global_entry_off): New function.
-       (Output_data_glink::global_entry_address): Use global_entry_off.
-       (Output_data_glink::pltresolve_size): New function, replacing
-       pltresolve_size_ constant.  Update all uses.
-       (Output_data_glink::add_global_entry): Align offset.
-       (Output_data_glink::set_final_data_size): Use global_entry_align.
-       (Stub_table::do_write): Don't pad __glink_PLTrelsolve with nops.
-       Tidy stub output.  Use global_entry_off.
-
-2018-01-15  Cary Coutant  <ccoutant@gmail.com>
-
-       PR gold/22694
-       * options.h (-fuse-ld): Add correct helparg.
-
-2018-01-15  Nick Clifton  <nickc@redhat.com>
+2019-01-21  Nick Clifton  <nickc@redhat.com>
 
        * po/uk.po: Updated Ukranian translation.
 
-2018-01-13  Nick Clifton  <nickc@redhat.com>
-
-       * po/gold.pot: Regenerated.
+2019-01-19  Nick Clifton  <nickc@redhat.com>
 
-2018-01-13  Nick Clifton  <nickc@redhat.com>
+       * po/gold.pot: Regenerate.
 
-       2.30 branch created.
+2018-06-24  Nick Clifton  <nickc@redhat.com>
 
-2018-01-12  Cary Coutant  <ccoutant@gmail.com>
+       2.32 branch created.
 
-       * NEWS: Add new features in 1.15.
-       * version.cc (version_string): Bump to 1.15.
+2019-01-09  Andrew Paprocki  <andrew@ishiboo.com>
 
-2018-01-12  Sterling Augustine  <saugustine@google.com>
-
-       * cref.cc (Cref_inputs::Cref_table_compare::operator): Add
-       conditionals and calls to is_forwarder.
+       * configure: Regenerate.
 
-2018-01-03  Alan Modra  <amodra@gmail.com>
+2019-01-01  Alan Modra  <amodra@gmail.com>
 
        Update year range in copyright notice of all files.
 
-For older changes see ChangeLog-2017
+For older changes see ChangeLog-2018
 \f
-Copyright (C) 2018 Free Software Foundation, Inc.
+Copyright (C) 2019 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
This page took 0.026904 seconds and 4 git commands to generate.