gold/ChangeLog

   1 2019-08-02  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (Powerpc_relocate_functions::rela, rela_ua): Perform
   4         signed right shift for signed overflow check.
   5
   6 2019-07-29  Martin Liska  <mliska@suse.cz>
   7
   8         PR 24768
   9         * layout.h (class Layout): Add is_lto_slim_object and
  10         set_lto_slim_object.
  11         * object.cc (struct lto_section): Add lto_slim_object_.
  12         (big_endian>::do_layout): Parse content of
  13         .gnu_lto_.lto section.
  14         (big_endian>::do_add_symbols): Report error for a missing
  15         LTO plugin.
  16
  17 2019-07-13  Alan Modra  <amodra@gmail.com>
  18
  19         * powerpc.cc (xlate_pcrel_opt): New function.
  20         (Target_powerpc::Relocate::relocate): Optimise PCREL34 and
  21         GOT_PCREL34 sequences marked with PCREL_OPT.
  22
  23 2019-07-13  Alan Modra  <amodra@gmail.com>
  24
  25         * powerpc.cc (Powerpc_relobj::make_got_relative): New function.
  26         (relative_value_is_known): New functions.
  27         (Target_powerpc::Relocate::relocate): Edit code using
  28         GOT16_HA, GOT16_LO_DS, and GOT_PCREL34 relocs.
  29
  30 2019-07-13  Alan Modra  <amodra@gmail.com>
  31
  32         * powerpc.cc (Target_powerpc): Add powerxx_stubs_ and accessor
  33         functions.
  34         (Target_powerpc::maybe_skip_tls_get_addr_call): Handle PLT_PCREL34
  35         and PLT_PCREL34_NOTOC relocs.
  36         (Powerpc_relocate_functions): Add addr34, addr34_hi, addr34_ha,
  37         addr28, addr16_higher34, addr16_highera34, addr16_highest34,
  38         addr16_highest34a functions.
  39         (li_11_0, ori_11_11_0, sldi_11_11_34): Define.
  40         (paddi_12_pc, pld_12_pc, pnop): Define.
  41         (d34, ha34): New inline functions.
  42         (Stub_table::add_plt_call_entry): Handle powerxx_stubs.
  43         (Stub_table::add_eh_frame): Likewise.
  44         (build_powerxx_offset): New function.
  45         (Stub_table::plt_call_size): Handle powerxx_stubs.
  46         (Stub_table::branch_stub_size): Likewise.
  47         (Stub_table::do_write): Likewise.
  48         (Target_powerpc::Scan::get_reference_flags): Handle new relocs.
  49         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc: Likewise.
  50         (Target_powerpc::Scan::local, global, relocate): Likewise.
  51
  52 2019-07-13  Alan Modra  <amodra@gmail.com>
  53
  54         * ehframe.cc (Fde::operator==): Delete.
  55         (Cie::remove_fde): Delete.
  56         (Eh_frame::remove_ehframe_for_plt): Delete fde_data and fde_length
  57         parameters.  Remove all post-map plt FDEs.
  58         * ehframe.h (Fde:post_map): Make const, add variant to compare plt.
  59         (Fde::operator==): Delete.
  60         (Cie::remove_fde): Implement here.
  61         (Cie::last_fde): New accessor.
  62         (Eh_frame::remove_ehframe_for_plt): Update prototype.
  63         * layout.cc (Layout::remove_eh_frame_for_plt): Delete fde_data and
  64         fde_length parameters.
  65         * layout.h (Layout::remove_eh_frame_for_plt): Update prototype.
  66         * powerpc.cc (Stub_table::tls_get_addr_opt_bctrl_): Delete.
  67         (Stub_table::plt_fde_len_, plt_fde_, init_plt_fde): Delete.
  68         (Stub_table::add_plt_call_entry): Don't set tls_get_addr_opt_bctrl_.
  69         (eh_advance): New function.
  70         (stub_sort): New function.
  71         (Stub_table::add_eh_frame): Emit eh_frame for notoc plt calls and
  72         branches as well as __tls_get_addr_opt plt call stub.
  73         (Stub_table::remove_eh_frame): Update to suit.
  74
  75 2019-07-13  Alan Modra  <amodra@gmail.com>
  76
  77         * powerpc.cc (Target_powerpc::maybe_skip_tls_get_addr_call): Handle
  78         notoc calls.
  79         (is_branch_reloc): Template on size.  Return true for REL24_NOTOC.
  80         Update all callers.
  81         (max_branch_delta): Likewise.
  82         (Target_powerpc::Branch_info::make_stub): Add a stub for notoc
  83         calls to functions needing a valid toc pointer.
  84         (Target_powerpc::do_relax): Layout stubs again if any need resize.
  85         (add_12_11_12, addi_12_11, addis_12_11, ldx_12_11_12, ori_12_12_0),
  86         (oris_12_12_0, sldi_12_12_32): Define.
  87         (Stub_table::Plt_stub_ent): Add notoc_ and iter_ fields.
  88         (Stub_table::Branch_stub_key, Branch_stub_key_hash): Rename from
  89         Branch_stub_ent and Branch_stub_ent hash.  Remove save_res_ from key.
  90         (Stub_table::Branch_stub_ent): New struct.
  91         (class Stub_table): Add need_resize and resizing vars.
  92         (Stub_table::need_resize, branch_size): New accessors.
  93         (Stub_table::set_resizing): New function.
  94         (Stub_table::add_plt_call_entry): Handle notoc calls and resizing
  95         on seeing such or a tocsave stubs after a normal stub using the
  96         same sym.
  97         (Stub_table::add_long_branch_entry): Similarly.
  98         (Stub_table::find_long_branch_entry): Return a Branch_stub_ent*.
  99         (Stub_table::define_stub_syms): Adjust
 100         (Stub_table::build_tls_opt_head, build_tls_opt_tail): New functions.
 101         (build_notoc_offset): New function.
 102         (Stub_table::plt_call_size): Move out of line.  Handle notoc calls.
 103         (Stub_table::branch_stub_size): Similarly.
 104         (Stub_table::do_write): Separate loop for ELFv2 stubs, handling
 105         notoc calls.  Simplify ELFv1 loop.  Output notoc branch stubs.
 106         Use build_tls_opt_head and build_tls_opt_tail.
 107         (Target_powerpc::Scan::get_reference_flags): Handle REL24_NOTOC.
 108         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise,
 109         and PLTSEQ_NOTOC and PLTCALL_NOTOC.
 110         (Target_powerpc::Scan::local, global, relocate): Likewise.
 111
 112 2019-06-28  Alan Modra  <amodra@gmail.com>
 113
 114         * powerpc.cc (Target_powerpc::Relocate::relocate): Don't look
 115         at next/previous reloc when relnum is -1.
 116
 117 2019-06-28  Alan Modra  <amodra@gmail.com>
 118
 119         * powerpc.cc (Stub_table::plt_error): New function.
 120         (Stub_table::do_write): Use it.
 121         (Output_data_glink::do_write): Don't segfault emitting linkage
 122         table error.
 123
 124 2019-06-28  Alan Modra  <amodra@gmail.com>
 125
 126         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Handle
 127         REL16_HIGH* relocs.
 128         (Target_powerpc::Scan::local): Likewise.
 129         (Target_powerpc::Scan::global): Likewise.
 130         (Target_powerpc::Relocate::relocate): Likewise.
 131
 132 2019-06-10  Martin Liska  <mliska@suse.cz>
 133
 134         * errors.h: Include string.
 135
 136 2019-05-10  Joshua Oreman  <oremanj@hudson-trading.com>
 137
 138         PR gold/21066
 139         * gc.h (gc_process_relocs): Track relocations in .eh_frame sections
 140         when ICF is enabled, even though the .eh_frame sections themselves
 141         are not foldable.
 142         * icf.cc (get_section_contents): Change arguments to permit operation
 143         on just part of a section. Include extra identity regions in the
 144         referring section's contents recursively.
 145         (match_sections): Lock object here instead of in get_section_contents
 146         so that get_section_contents can operate recursively.
 147         (Icf::add_ehframe_links): New method.
 148         (Icf::find_identical_sections): Pass .eh_frame sections to
 149         add_ehframe_links(). Increase default iteration count from 2 to 3
 150         because handling exception info typically requires one extra iteration.
 151         * icf.h (Icf::extra_identity_list_): New data member with accessor.
 152         (is_section_foldable_candidate): Include .gcc_except_table sections.
 153         * options.h: Update documentation for new default ICF iteration count.
 154         * testsuite/Makefile.am (icf_test_pr21066): New test case.
 155         * testsuite/Makefile.in: Regenerate.
 156         * testsuite/icf_test_pr21066.cc: New source file.
 157         * testsuite/icf_test_pr21066.sh: New test script.
 158
 159 2019-02-19  Egeyar Bagcioglu  <egeyar.bagcioglu@oracle.com>
 160
 161      PR gold/23870
 162      * aarch64.cc (Target_aarch64::Scan::global): Check if a symbol with
 163      R_AARCH64_MOVW_.ABS_* relocations requires a PLT entry.
 164      * testsuite/Makefile.am: Add aarch64_pr23870 test case.
 165      * testsuite/Makefile.in: Regenerate.
 166      * testsuite/aarch64_pr23870_bar.c: New file.
 167      * testsuite/aarch64_pr23870_foo.c: New file.
 168      * testsuite/aarch64_pr23870_main.S: New file.
 169
 170 2019-02-12  Nick Clifton  <nickc@redhat.com>
 171
 172         * po/fr.po: Updated French translation.
 173
 174 2019-01-21  Nick Clifton  <nickc@redhat.com>
 175
 176         * po/uk.po: Updated Ukranian translation.
 177
 178 2019-01-19  Nick Clifton  <nickc@redhat.com>
 179
 180         * po/gold.pot: Regenerate.
 181
 182 2018-06-24  Nick Clifton  <nickc@redhat.com>
 183
 184         2.32 branch created.
 185
 186 2019-01-09  Andrew Paprocki  <andrew@ishiboo.com>
 187
 188         * configure: Regenerate.
 189
 190 2019-01-01  Alan Modra  <amodra@gmail.com>
 191
 192         Update year range in copyright notice of all files.
 193
 194 For older changes see ChangeLog-2018
 195 \f
 196 Copyright (C) 2019 Free Software Foundation, Inc.
 197
 198 Copying and distribution of this file, with or without modification,
 199 are permitted in any medium without royalty provided the copyright
 200 notice and this notice are preserved.
 201
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 203 mode: change-log
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