gold/ChangeLog

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