Fix bug where --icf=safe triggers segfault when linking ARM.
[deliverable/binutils-gdb.git] / gold / ChangeLog
index a97a3d003afff0bd2b543ea2f5a21b5226b438da..b86812ceeaca2c69657bee344bf88d6a14b2077b 100644 (file)
@@ -1,3 +1,165 @@
+2018-04-14  Cary Coutant  <ccoutant@gmail.com>
+
+       PR gold/23046
+       * gc.h (gc_process_relocs): Pass target to
+       scan.global_reloc_may_be_function_pointer.
+
+2018-04-09  Alan Modra  <amodra@gmail.com>
+
+       * configure: Regenerate.
+
+2018-04-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call):
+       Handle inline plt sequence relocs.
+       (Stub_table::Plt_stub_key::Plt_stub_key): Likewise.
+       (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise.
+       (Target_powerpc::Relocate::relocate): Likewise.
+
+2018-04-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::lplt_): New variable.
+       (Target_powerpc::lplt_section): Associated accessor.
+       (Target_powerpc::plt_off): Handle local non-ifunc symbols.
+       (Target_powerpc::make_lplt_section): New function.
+       (Target_powerpc::make_local_plt_entry): New function.
+       (Powerpc_relobj::do_relocate_sections): Write out lplt.
+       (Output_data_plt_powerpc::first_plt_entry_offset): Zero for lplt.
+       (Output_data_plt_powerpc::add_local_entry): New function.
+       (Output_data_plt_powerpc::do_write): Ignore lplt.
+       (Target_powerpc::make_iplt_section): Make lplt first.
+       (Target_powerpc::make_brlt_section): Make .branch_lt relro.
+       (Target_powerpc::Scan::local): Handle PLT16 relocs.
+
+2018-04-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::plt_off): New functions.
+       (is_plt16_reloc): New function.
+       (Stub_table::plt_off): Use Target_powerpc::plt_off.
+       (Stub_table::plt_call_size): Use plt_off.
+       (Stub_table::do_write): Likewise.
+       (Target_powerpc::Scan::get_reference_flags): Return RELATIVE_REF
+       for PLT16 relocations.
+       (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Return true
+       for PLT16 relocations.
+       (Target_powerpc::Scan::global): Make a PLT entry for PLT16 relocations.
+       (Target_powerpc::Relocate::relocate): Support PLT16 relocations.
+       (Powerpc_scan_relocatable_reloc::global_strategy): Return RELOC_SPECIAL
+       for ppc32 plt16 relocs.
+
+2018-04-06  Cary Coutant  <ccoutant@gmail.com>
+
+       * object.cc (Sized_relobj_file::include_section_group): Store
+       reference to Kept_section info for discarded comdat sections
+       regardless of size.  Move size checking to map_to_kept_section.
+       (Sized_relobj_file::include_linkonce_section): Likewise.
+       (Sized_relobj_file::map_to_kept_section): Add section name parameter.
+       Insert size checking logic from above functions.
+       (Sized_relobj_file::find_kept_section_object): New method.
+       (Sized_relobj_file::get_symbol_name): New method.
+       * object.h (Sized_relobj_file::map_to_kept_section): Add section_name
+       parameter.  Adjust all callers.
+       (Sized_relobj_file::find_kept_section_object): New method.
+       (Sized_relobj_file::get_symbol_name): New method.
+       (Sized_relobj_file::Kept_comdat_section): Replace object and shndx
+       fields with sh_size, kept_section, symndx, and is_comdat fields.
+       (Sized_relobj_file::set_kept_comdat_section): Replace kept_object
+       and kept_shndx parameters with is_comdat, symndx, sh_size, and
+       kept_section.
+       (Sized_relobj_file::get_kept_comdat_section): Likewise.
+       * target-reloc.h (enum Comdat_behavior): Change CB_WARNING to CB_ERROR.
+       Adjust all references.
+       (issue_undefined_symbol_error): New function template.
+       (relocate_section): Pass section name to map_to_kept_section.
+       Move discarded section code to new function above.
+       * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Move
+       declaration for gsym out one level.  Call issue_discarded_error.
+       * arm.cc (Target_arm::scan_reloc_section_for_stubs): Likewise.
+       * powerpc.cc (Relocate_comdat_behavior): Change CB_WARNING to CB_ERROR.
+
+2018-04-05  Cary Coutant  <ccoutant@gmail.com>
+
+       * target-reloc.h (relocate_section): Add local symbol index or global
+       symbol name to warning about relocation that refers to discarded
+       section.
+
+2018-04-05  James Cowgill  <james.cowgill@mips.com>
+
+       Revert previous patch and apply revised patch.
+
+       PR gold/22770
+       * mips.cc (Mips_got_info::record_got_page_entry): Don't insert
+       Got_page_entry for object's GOT.
+       (Mips_got_info::add_got_page_entries): Add all pages from from's GOT.
+       Rename to add_got_page_count.
+       (Got_page_entry): Remove num_pages.
+
+2018-04-05  James Cowgill  <james.cowgill@mips.com>
+
+       PR gold/22770
+       * mips.cc (Mips_got_info::record_got_page_entry): Fetch existing
+       page entries for the object's GOT.
+
+2018-04-05  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::make_brlt_section): Make .branch_lt relro.
+
+2018-04-04  Nick Clifton  <nickc@redhat.com>
+
+       * po/es.po: Updated Spanish translation.
+
+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
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