Fix problem with ICF where diffs in EH frame info is ignored.
[deliverable/binutils-gdb.git] / gold / ChangeLog
index 7364a63bd7d92a75872b3ae5425e431c23630f72..5d23e71851c73cdbcb1ef609ddd5d65002ba9ab6 100644 (file)
-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.
+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/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.
-
-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.
+       * testsuite/icf_test_pr21066.cc: New source file.
+       * testsuite/icf_test_pr21066.sh: New test script.
 
-2018-01-18  Alan Modra  <amodra@gmail.com>
+2019-02-19  Egeyar Bagcioglu  <egeyar.bagcioglu@oracle.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.
+     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.
 
-2018-01-17  Alan Modra  <amodra@gmail.com>
+2019-02-12  Nick Clifton  <nickc@redhat.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.
+       * po/fr.po: Updated French translation.
 
-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.
-
-2018-01-13  Nick Clifton  <nickc@redhat.com>
+2019-01-19  Nick Clifton  <nickc@redhat.com>
 
-       2.30 branch created.
+       * po/gold.pot: Regenerate.
 
-2018-01-12  Cary Coutant  <ccoutant@gmail.com>
+2018-06-24  Nick Clifton  <nickc@redhat.com>
 
-       * NEWS: Add new features in 1.15.
-       * version.cc (version_string): Bump to 1.15.
+       2.32 branch created.
 
-2018-01-12  Sterling Augustine  <saugustine@google.com>
+2019-01-09  Andrew Paprocki  <andrew@ishiboo.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
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