gold/ChangeLog

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