gold/ChangeLog

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