gold/ChangeLog

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