gold/ChangeLog

   1 2019-08-16  Martin Liska  <mliska@suse.cz>
   2
   3         PR ld/24912
   4         * object.cc (big_endian>::do_layout): Do not report error,
   5         but only set a flag.
   6         (big_endian>::do_add_symbols): Report error only for when
   7         relocatable.
   8
   9 2019-08-02  Alan Modra  <amodra@gmail.com>
  10
  11         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Set
  12         flags for new relocations, and some missing older relocs.
  13         (Target_powerpc::Scan::local): Handle new pcrel tls relocs.
  14         Call set_has_static_tls for tprel relocs.
  15         (Target_powerpc::Scan::global): Likewise.
  16         (Target_powerpc::Relocate::relocate): Handle new pcrel tls relocs.
  17
  18 2019-08-02  Alan Modra  <amodra@gmail.com>
  19
  20         * powerpc.cc (Powerpc_relocate_functions::rela, rela_ua): Perform
  21         signed right shift for signed overflow check.
  22
  23 2019-07-29  Martin Liska  <mliska@suse.cz>
  24
  25         PR 24768
  26         * layout.h (class Layout): Add is_lto_slim_object and
  27         set_lto_slim_object.
  28         * object.cc (struct lto_section): Add lto_slim_object_.
  29         (big_endian>::do_layout): Parse content of
  30         .gnu_lto_.lto section.
  31         (big_endian>::do_add_symbols): Report error for a missing
  32         LTO plugin.
  33
  34 2019-07-13  Alan Modra  <amodra@gmail.com>
  35
  36         * powerpc.cc (xlate_pcrel_opt): New function.
  37         (Target_powerpc::Relocate::relocate): Optimise PCREL34 and
  38         GOT_PCREL34 sequences marked with PCREL_OPT.
  39
  40 2019-07-13  Alan Modra  <amodra@gmail.com>
  41
  42         * powerpc.cc (Powerpc_relobj::make_got_relative): New function.
  43         (relative_value_is_known): New functions.
  44         (Target_powerpc::Relocate::relocate): Edit code using
  45         GOT16_HA, GOT16_LO_DS, and GOT_PCREL34 relocs.
  46
  47 2019-07-13  Alan Modra  <amodra@gmail.com>
  48
  49         * powerpc.cc (Target_powerpc): Add powerxx_stubs_ and accessor
  50         functions.
  51         (Target_powerpc::maybe_skip_tls_get_addr_call): Handle PLT_PCREL34
  52         and PLT_PCREL34_NOTOC relocs.
  53         (Powerpc_relocate_functions): Add addr34, addr34_hi, addr34_ha,
  54         addr28, addr16_higher34, addr16_highera34, addr16_highest34,
  55         addr16_highest34a functions.
  56         (li_11_0, ori_11_11_0, sldi_11_11_34): Define.
  57         (paddi_12_pc, pld_12_pc, pnop): Define.
  58         (d34, ha34): New inline functions.
  59         (Stub_table::add_plt_call_entry): Handle powerxx_stubs.
  60         (Stub_table::add_eh_frame): Likewise.
  61         (build_powerxx_offset): New function.
  62         (Stub_table::plt_call_size): Handle powerxx_stubs.
  63         (Stub_table::branch_stub_size): Likewise.
  64         (Stub_table::do_write): Likewise.
  65         (Target_powerpc::Scan::get_reference_flags): Handle new relocs.
  66         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc: Likewise.
  67         (Target_powerpc::Scan::local, global, relocate): Likewise.
  68
  69 2019-07-13  Alan Modra  <amodra@gmail.com>
  70
  71         * ehframe.cc (Fde::operator==): Delete.
  72         (Cie::remove_fde): Delete.
  73         (Eh_frame::remove_ehframe_for_plt): Delete fde_data and fde_length
  74         parameters.  Remove all post-map plt FDEs.
  75         * ehframe.h (Fde:post_map): Make const, add variant to compare plt.
  76         (Fde::operator==): Delete.
  77         (Cie::remove_fde): Implement here.
  78         (Cie::last_fde): New accessor.
  79         (Eh_frame::remove_ehframe_for_plt): Update prototype.
  80         * layout.cc (Layout::remove_eh_frame_for_plt): Delete fde_data and
  81         fde_length parameters.
  82         * layout.h (Layout::remove_eh_frame_for_plt): Update prototype.
  83         * powerpc.cc (Stub_table::tls_get_addr_opt_bctrl_): Delete.
  84         (Stub_table::plt_fde_len_, plt_fde_, init_plt_fde): Delete.
  85         (Stub_table::add_plt_call_entry): Don't set tls_get_addr_opt_bctrl_.
  86         (eh_advance): New function.
  87         (stub_sort): New function.
  88         (Stub_table::add_eh_frame): Emit eh_frame for notoc plt calls and
  89         branches as well as __tls_get_addr_opt plt call stub.
  90         (Stub_table::remove_eh_frame): Update to suit.
  91
  92 2019-07-13  Alan Modra  <amodra@gmail.com>
  93
  94         * powerpc.cc (Target_powerpc::maybe_skip_tls_get_addr_call): Handle
  95         notoc calls.
  96         (is_branch_reloc): Template on size.  Return true for REL24_NOTOC.
  97         Update all callers.
  98         (max_branch_delta): Likewise.
  99         (Target_powerpc::Branch_info::make_stub): Add a stub for notoc
 100         calls to functions needing a valid toc pointer.
 101         (Target_powerpc::do_relax): Layout stubs again if any need resize.
 102         (add_12_11_12, addi_12_11, addis_12_11, ldx_12_11_12, ori_12_12_0),
 103         (oris_12_12_0, sldi_12_12_32): Define.
 104         (Stub_table::Plt_stub_ent): Add notoc_ and iter_ fields.
 105         (Stub_table::Branch_stub_key, Branch_stub_key_hash): Rename from
 106         Branch_stub_ent and Branch_stub_ent hash.  Remove save_res_ from key.
 107         (Stub_table::Branch_stub_ent): New struct.
 108         (class Stub_table): Add need_resize and resizing vars.
 109         (Stub_table::need_resize, branch_size): New accessors.
 110         (Stub_table::set_resizing): New function.
 111         (Stub_table::add_plt_call_entry): Handle notoc calls and resizing
 112         on seeing such or a tocsave stubs after a normal stub using the
 113         same sym.
 114         (Stub_table::add_long_branch_entry): Similarly.
 115         (Stub_table::find_long_branch_entry): Return a Branch_stub_ent*.
 116         (Stub_table::define_stub_syms): Adjust
 117         (Stub_table::build_tls_opt_head, build_tls_opt_tail): New functions.
 118         (build_notoc_offset): New function.
 119         (Stub_table::plt_call_size): Move out of line.  Handle notoc calls.
 120         (Stub_table::branch_stub_size): Similarly.
 121         (Stub_table::do_write): Separate loop for ELFv2 stubs, handling
 122         notoc calls.  Simplify ELFv1 loop.  Output notoc branch stubs.
 123         Use build_tls_opt_head and build_tls_opt_tail.
 124         (Target_powerpc::Scan::get_reference_flags): Handle REL24_NOTOC.
 125         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise,
 126         and PLTSEQ_NOTOC and PLTCALL_NOTOC.
 127         (Target_powerpc::Scan::local, global, relocate): Likewise.
 128
 129 2019-06-28  Alan Modra  <amodra@gmail.com>
 130
 131         * powerpc.cc (Target_powerpc::Relocate::relocate): Don't look
 132         at next/previous reloc when relnum is -1.
 133
 134 2019-06-28  Alan Modra  <amodra@gmail.com>
 135
 136         * powerpc.cc (Stub_table::plt_error): New function.
 137         (Stub_table::do_write): Use it.
 138         (Output_data_glink::do_write): Don't segfault emitting linkage
 139         table error.
 140
 141 2019-06-28  Alan Modra  <amodra@gmail.com>
 142
 143         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Handle
 144         REL16_HIGH* relocs.
 145         (Target_powerpc::Scan::local): Likewise.
 146         (Target_powerpc::Scan::global): Likewise.
 147         (Target_powerpc::Relocate::relocate): Likewise.
 148
 149 2019-06-10  Martin Liska  <mliska@suse.cz>
 150
 151         * errors.h: Include string.
 152
 153 2019-05-10  Joshua Oreman  <oremanj@hudson-trading.com>
 154
 155         PR gold/21066
 156         * gc.h (gc_process_relocs): Track relocations in .eh_frame sections
 157         when ICF is enabled, even though the .eh_frame sections themselves
 158         are not foldable.
 159         * icf.cc (get_section_contents): Change arguments to permit operation
 160         on just part of a section. Include extra identity regions in the
 161         referring section's contents recursively.
 162         (match_sections): Lock object here instead of in get_section_contents
 163         so that get_section_contents can operate recursively.
 164         (Icf::add_ehframe_links): New method.
 165         (Icf::find_identical_sections): Pass .eh_frame sections to
 166         add_ehframe_links(). Increase default iteration count from 2 to 3
 167         because handling exception info typically requires one extra iteration.
 168         * icf.h (Icf::extra_identity_list_): New data member with accessor.
 169         (is_section_foldable_candidate): Include .gcc_except_table sections.
 170         * options.h: Update documentation for new default ICF iteration count.
 171         * testsuite/Makefile.am (icf_test_pr21066): New test case.
 172         * testsuite/Makefile.in: Regenerate.
 173         * testsuite/icf_test_pr21066.cc: New source file.
 174         * testsuite/icf_test_pr21066.sh: New test script.
 175
 176 2019-02-19  Egeyar Bagcioglu  <egeyar.bagcioglu@oracle.com>
 177
 178      PR gold/23870
 179      * aarch64.cc (Target_aarch64::Scan::global): Check if a symbol with
 180      R_AARCH64_MOVW_.ABS_* relocations requires a PLT entry.
 181      * testsuite/Makefile.am: Add aarch64_pr23870 test case.
 182      * testsuite/Makefile.in: Regenerate.
 183      * testsuite/aarch64_pr23870_bar.c: New file.
 184      * testsuite/aarch64_pr23870_foo.c: New file.
 185      * testsuite/aarch64_pr23870_main.S: New file.
 186
 187 2019-02-12  Nick Clifton  <nickc@redhat.com>
 188
 189         * po/fr.po: Updated French translation.
 190
 191 2019-01-21  Nick Clifton  <nickc@redhat.com>
 192
 193         * po/uk.po: Updated Ukranian translation.
 194
 195 2019-01-19  Nick Clifton  <nickc@redhat.com>
 196
 197         * po/gold.pot: Regenerate.
 198
 199 2018-06-24  Nick Clifton  <nickc@redhat.com>
 200
 201         2.32 branch created.
 202
 203 2019-01-09  Andrew Paprocki  <andrew@ishiboo.com>
 204
 205         * configure: Regenerate.
 206
 207 2019-01-01  Alan Modra  <amodra@gmail.com>
 208
 209         Update year range in copyright notice of all files.
 210
 211 For older changes see ChangeLog-2018
 212 \f
 213 Copyright (C) 2019 Free Software Foundation, Inc.
 214
 215 Copying and distribution of this file, with or without modification,
 216 are permitted in any medium without royalty provided the copyright
 217 notice and this notice are preserved.
 218
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 220 mode: change-log
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