gold/ChangeLog-2017

   1 2017-12-15  Alan Modra  <amodra@gmail.com>
   2
   3         PR 22602
   4         * powerpc.cc (Target_powerpc::Branch_info::mark_pltcall): Resolve
   5         forwards before replacing __tls_get_addr.
   6         (Target_powerpc::Branch_info::make_stub): Likewise.
   7
   8 2017-12-11  Stephen Crane  <sjc@immunant.com>
   9
  10         * plugin.cc (Plugin::load): Include hooks for register_new_input
  11         in transfer vector.
  12         (Plugin::new_input): New function.
  13         (register_new_input): New function.
  14         (Plugin_manager::claim_file): Call Plugin::new_input if in
  15         replacement phase.
  16         * plugin.h (Plugin::set_new_input_handler): New function.
  17         * testsuite/plugin_new_section_layout.c: New plugin to test
  18         new_input plugin API.
  19         * testsuite/plugin_final_layout.sh: Add new input test.
  20         * testsuite/Makefile.am (plugin_layout_new_file): New test case.
  21         * testsuite/Makefile.in: Regenerate.
  22
  23 2017-12-02  Vladimir Kondratyev  <vladimir@kondratyev.su>
  24             Cary Coutant  <ccoutant@gmail.com>
  25
  26         PR gold/22540
  27         * output.cc (gold_fallocate): Trivial return for len == 0.
  28         Add fallback options when posix_fallocate and fallocate return
  29         not-supported errors.
  30
  31 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
  32
  33         PR gold/21090
  34         * incremental.cc (Sized_relobj_incr::do_relocate): Fix comment.
  35         * options.cc (General_options::finalize): Disallow -pie with
  36         incremental linking.
  37         * x86_64.cc (Target_x86_64::Scan::local): Don't do mov-to-lea
  38         or callq-to-direct optimizations for incremental links.
  39         (Target_x86_64::Scan::global): Likewise.
  40         (Target_x86_64::Relocate::relocate): Likewise.
  41         * testsuite/Makefile.am (incremental_test): Force -no-pie.
  42         (incremental_test_2): Likewise.
  43         (incremental_test_3): Likewise.
  44         (incremental_test_4): Likewise.
  45         (incremental_test_5): Likewise.
  46         (incremental_test_6): Likewise.
  47         (incremental_copy_test): Likewise.
  48         (incremental_common_test_1): Likewise.
  49         (incremental_comdat_test_1):  Likewise.
  50         * testsuite/Makefile.in: Regenerate.
  51
  52 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
  53
  54         PR gold/21841
  55         * testsuite/debug_msg.sh: Adjust expected line numbers.
  56         * testsuite/odr_violation2.cc (DummyFunction): New function.
  57
  58 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
  59
  60         PR gold/22309
  61         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): Compile with
  62         no EH information.
  63         (two_file_test_1_ndebug.o): Likewise.
  64         * testsuite/Makefile.in: Regenerate.
  65         * testsuite/two_file_test_1.cc: Touch to force recompilation with new
  66         flags.
  67         * testsuite/two_file_test_1_v1.cc: Likewise.
  68
  69 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
  70
  71         PR gold/22042
  72         * options.h (-fuse-ld): Use NULL instead of empty string.
  73
  74 2017-12-01  Benjamin Peterson  <bp@benjamin.pe>
  75
  76         PR gold/22406
  77         * gold.cc (queue_initial_tasks) Check for number of real input files.
  78         * options.cc (Command_line::process) Check for unterminated --start-lib
  79         options.
  80         * testsuite/Makefile.am: Add new test script.
  81         * testsuite/Makefile.in: Regenerate.
  82         * testsuite/check_empty_command_lines.sh: New test script.
  83
  84 2017-11-17  Stephen Crane  <sjc@immunant.com>
  85
  86         PR gold/22448
  87         * symtab.cc (Symbol_table::add_from_object): Only rescan for
  88         undefined symbols in regular, not dynamic, objects.
  89
  90 2017-11-30  Peter Smith  <peter.smith@linaro.org>
  91
  92         PR gold/20765
  93         * aarch64.cc (Aarch64_relobj::update_erratum_address): New method.
  94         (AArch64_relobj::scan_errata): Update addresses in stub table after
  95         relaxation pass.
  96
  97 2017-11-30  Peter Smith  <peter.smith@linaro.org>
  98             Cary Coutant  <ccoutant@gmail.com>
  99
 100         PR gold/20765
 101         * aarch64.cc (Erratum_stub::invalidate_erratum_stub): Use erratum_insn_
 102         instead of relobj_ to invalidate the stub.
 103         (Erratum_stub::is_invalidated_erratum_stub): Likewise.
 104
 105 2017-11-30  Peter Smith  <peter.smith@linaro.org>
 106
 107         PR gold/22233
 108         * aarch64.cc (AArch64_relobj::fix_errata_and_relocate_erratum_stubs):
 109         Fix calculation of stub address.
 110
 111 2017-11-29  Stefan Stroe  <stroestefan@gmail.com>
 112
 113         * po/Make-in (datadir): Define as @datadir@.
 114         (localedir): Define as @localedir@.
 115         (gnulocaledir, gettextsrcdir): Use @datarootdir@.
 116
 117 2017-11-28  Cary Coutant  <ccoutant@gmail.com>
 118
 119         * resolve.cc (Symbol_table::resolve): Allow multiply-defined absolute
 120         symbols when they have the same value.
 121
 122 2017-11-28  Cary Coutant  <ccoutant@gmail.com>
 123
 124         * object.h (class Sized_relobj_file): Remove discarded_eh_frame_shndx_.
 125         * object.cc (Sized_relobj_file::Sized_relobj_file): Likewise.
 126         (Sized_relobj_file::layout_eh_frame_section): Likewise.
 127         (Sized_relobj_file::do_count_local_symbols): Check for optimized
 128         .eh_frame section by other means.
 129         (Sized_relobj_file::compute_final_local_value_internal): Likewise.
 130
 131 2017-11-28  H.J. Lu  <hongjiu.lu@intel.com>
 132
 133         * testsuite/pr22266_a.c: Add a newline at end of file.
 134
 135 2017-11-27  Cary Coutant  <ccoutant@gmail.com>
 136
 137         PR gold/19291
 138         PR gold/22266
 139         * object.cc (Sized_relobj_file::compute_final_local_value_internal):
 140         Revert changes from 2017-11-08 patch.  Adjust symbol value in
 141         relocatable links for non-section symbols.
 142         (Sized_relobj_file::compute_final_local_value): Revert changes from
 143         2017-11-08 patch.
 144         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
 145         (Sized_relobj_file::write_local_symbols): Revert changes from
 146         2015-11-25 patch.
 147         * object.h (Sized_relobj_file::compute_final_local_value_internal):
 148         Revert changes from 2017-11-08 patch.
 149         * powerpc.cc (Target_powerpc::relocate_relocs): Adjust addend for
 150         relocatable links.
 151         * target-reloc.h (relocate_relocs): Adjust addend for relocatable links.
 152         * testsuite/pr22266_a.c (hello): New function.
 153         * testsuite/pr22266_main.c (main): Add test for merge sections.
 154         * testsuite/pr22266_script.t: Add rule for .rodata.
 155
 156 2017-11-19  Ian Lance Taylor  <iant@google.com>
 157             Cary Coutant  <ccoutant@gmail.com>
 158
 159         * dwarf_reader.h (class Dwarf_info_reader): Add ref_addr_size
 160         method.
 161         * dwarf_reader.cc (Dwarf_die::read_attributes): Use ref_addr_size
 162         for DW_FORM_ref_addr_size.
 163         (Dwarf_die::skip_attributes): Likewise.
 164
 165 2017-11-08  H.J. Lu  <hongjiu.lu@intel.com>
 166
 167         PR gold/22291
 168         * layout.cc (Layout::define_section_symbols): Use STV_PROTECTED
 169         for __start and __stop symbols.
 170         * symtab.cc (Symbol_table::define_special_symbol): Add an
 171         argument, visibility.  Ignore definition and reference from
 172         a dynamic object, depending on visibility.
 173         (Symbol_table::do_define_in_output_data): Pass visibility to
 174         define_special_symbol.
 175         (Symbol_table::do_define_in_output_segment): Likewise.
 176         (Symbol_table::do_define_as_constant): Likewise.
 177         (Symbol_table::add_undefined_symbol_from_command_line): Pass
 178         STV_DEFAULT to define_special_symbol.
 179         * symtab.h (Symbol_table::define_special_symbol): Add an
 180         argument, visibility.
 181
 182 2017-11-08  James Clarke  <jrtc27@jrtc27.com>
 183
 184         PR gold/22266
 185         * object.cc (Sized_relobj_file::compute_final_local_value_internal):
 186         Drop relocatable parameter and stop adjusting output value based on
 187         it.
 188         (Sized_relobj_file::compute_final_local_value): Stop passing
 189         relocatable to compute_final_local_value_internal.
 190         (Sized_relobj_file::do_finalize_local_symbols): Ditto.
 191         * object.h (Sized_relobj_file::compute_final_local_value_internal):
 192         Drop relocatable parameter.
 193
 194 2017-11-08  Kyle Butt  <iteratee@google.com>
 195
 196         * object.cc (do_find_special_sections): Fix a thinko with memmem return
 197         values and check for != NULL rather than == 0.
 198
 199 2017-11-07  Alan Modra  <amodra@gmail.com>
 200
 201         * system.h (textdomain, bindtextdomain): Use safer "do nothing".
 202         (ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
 203
 204 2017-10-25  Alan Modra  <amodra@gmail.com>
 205
 206         * symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
 207         optionally prefixed with "_".
 208
 209 2017-10-20  Sriraman Tallam  <tmsriram@google.com>
 210
 211         * options.h (-z,text_unlikely_segment): New option.
 212         * layout.cc (Layout::layout): Create new output section
 213         for .text.unlikely sections with the new option.
 214         (Layout::segment_precedes): Check for the new option
 215         when segment flags match.
 216         * testsuite/text_unlikely_segment.cc: New test source.
 217         * testsuite/text_unlikely_segment.sh: New test script.
 218         * testsuite/Makefile.am (text_unlikely_segment): New test.
 219         * testsuite/Makefile.in: Regenerate.
 220
 221 2017-10-19  Umesh Kalappa  <ukalappa@cisco.com>
 222
 223         * arm.cc (Stub::do_fixed_endian_write):Far call stubs support for arm
 224         in the be8 mode.
 225         * testsuite/Makefile.am: New test cases.
 226         * testsuite/Makefile.in: Regenerate.
 227         * testsuite/arm_farcall_arm_arm_be8.sh: New script for arm to arm far
 228         call stubs.
 229         * testsuite/arm_farcall_thumb_thumb_be8.sh: New script for thumb to
 230         thumb far call stubs.
 231
 232 2017-10-18  Kyle Butt  <iteratee@google.com>
 233             Alan Modra  <amodra@gmail.com>
 234
 235         * powerpc.cc (Target_powerpc::Scan::local): Correct dst_off
 236         calculation for TOC16 relocs.
 237         (Target_powerpc::Scan::global): Likewise.
 238
 239 2017-09-26  Cary Coutant  <ccoutant@gmail.com>
 240
 241         PR gold/22213
 242         * sparc.cc (Target_sparc): Fix incorrect register mask.
 243
 244 2017-09-22  Jim Wilson  <jim.wilson@linaro.org>
 245
 246         * aarch64.cc (Target_aarch64::aarch64_info): Set
 247         is_default_stack_executable to false.
 248
 249 2017-09-22  Alan Modra  <amodra@gmail.com>
 250
 251         * resolve.cc (clone): Fix got_offset_list test.
 252
 253 2017-09-22  Alan Modra  <amodra@gmail.com>
 254
 255         * powerpc.cc (Target_powerpc<64,*>::powerpc_info): Set
 256         is_default_stack_executable false.
 257
 258 2017-09-20  Teresa Johnson  <tejohnson@google.com>
 259
 260         * plugin.cc (is_visible_from_outside): Check for export dynamic symbol
 261         option and list.
 262         * testsuite/Makefile.am (plugin_test_12): New test.
 263         * testsuite/Makefile.in: Regenerate.
 264         * testsuite/export_dynamic_plugin.cc: New test source.
 265         * testsuite/plugin_test_12.sh: New test script.
 266
 267 2017-09-20  Alan Modra  <amodra@gmail.com>
 268
 269         * powerpc.cc (Target_powerpc::Branch_info::make_stub): Put
 270         stubs for ppc32 non-branch relocs in first stub table.
 271         (Target_powerpc::Relocate::relocate): Resolve similarly.
 272
 273 2017-09-19  Alan Modra  <amodra@gmail.com>
 274
 275         * options.h (stub-group-multi): Default to true.  Add
 276         --no-stub-group-multi.
 277
 278 2017-08-30  Alan Modra  <amodra@gmail.com>
 279
 280         * powerpc.cc (Target_powerpc::Relocate::relocate): Nop addis on
 281         TPREL16_HA, and convert insn on TPREL16_LO and TPREL16_LO_DS
 282         relocs to use r2/r13 when addis would add zero.
 283
 284 2017-08-29  Alan Modra  <amodra@gmail.com>
 285
 286         * options.h (tls_get_addr_optimize): New option.
 287         * symtab.h (Symbol::clear_in_reg, clone): New functions.
 288         (Sized_symbol::clone): New function.
 289         (Symbol_table::clone): New function.
 290         * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions.
 291         * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_,
 292         tls_get_addr_, tls_get_addr_opt_): New vars.
 293         (Target_powerpc::tls_get_addr_opt, tls_get_addr,
 294         is_tls_get_addr_opt, replace_tls_get_addr,
 295         set_has_tls_get_addr_opt, stk_linker): New functions.
 296         (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add
 297         target param.  Update callers.  Compare symbols rather than names.
 298         (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_
 299         and tls_get_addr_opt_.
 300         (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr
 301         sym to tls_get_addr_opt.
 302         (Target_powerpc::Branch_info::make_stub): Likewise.
 303         (Stub_table::define_stub_syms): Likewise.
 304         (Target_powerpc::Scan::global): Likewise.
 305         (Target_powerpc::Relocate::relocate): Likewise.
 306         (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0,
 307         ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0,
 308         mtlr_11, std_11_1): New constants.
 309         (Stub_table::eh_frame_added_): Delete.
 310         (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars.
 311         (Stub_table::init_plt_fde): New functions.
 312         (Stub_table::add_eh_frame, replace_eh_frame): Move definition out
 313         of line.  Init and use plt_fde_.
 314         (Stub_table::plt_call_size): Return size for tls_get_addr stub.
 315         Extract alignment code to..
 316         (Stub_table::plt_call_align): ..this new function.  Adjust all callers.
 317         (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and
 318         tls_get_addr_opt_bctrl, and align after that.
 319         (Stub_table::do_write): Write out tls_get_addr stub.
 320         (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT
 321         PPC_OPT_TLS/PPC64_OPT_TLS bit.
 322         (Target_powerpc::Relocate::relocate): Don't check for or modify
 323         nop following bl for tls_get_addr stub.
 324
 325 2017-08-29  Alan Modra  <amodra@gmail.com>
 326
 327         * symtab.h (Symbol): Split u_ into u1_ and u2_.  Adjust accessors
 328         to suit.  Move plt_offset_ before got_offsets_.
 329         * symtab.cc (Symbol::init_fields): Adjust for union change.
 330         (Symbol::init_base_output_data): Likewise.
 331         (Symbol::init_base_output_segment): Likewise.
 332         (Symbol::allocate_base_common): Likewise.
 333         (Symbol::output_section): Likewise.
 334         (Symbol::set_output_section): Likewise.
 335         (Symbol::set_output_segment): Likewise.
 336         * resolve.cc (Symbol::override_base): Likewise.
 337         (Symbol::override_base_with_special): Likewise.
 338
 339 2017-08-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 340
 341         * aarch64.cc (Target_aarch64::Relocate::relocate_tls):
 342         Make got_tlsdesc_offset signed and fix its calculation.
 343         * testsuite/Makefile.am (aarch64_tlsdesc): New test.
 344         * testsuite/Makefile.in: Regenerate.
 345         * testsuite/aarch64_tlsdesc.s: New test source file.
 346         * testsuite/aarch64_tlsdesc.sh: New test script.
 347         * testsuite/aarch64_tlsdesc.t: New test linker script.
 348
 349 2017-08-28  Alan Modra  <amodra@gmail.com>
 350
 351         PR 21847
 352         * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
 353         non_zero_localentry.
 354         (Target_powerpc::resolve): New function.
 355         (powerpc_info): Set has_resolve for 64-bit.
 356         * target.h (Sized_target::resolve): Return bool.
 357         * resolve.cc (Symbol_table::resolve): Continue with normal
 358         processing when target resolve returns false.
 359         * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
 360         New accessors.
 361         (Symbol::non_zero_localentry_): New flag bit.
 362         * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
 363
 364 2017-08-08  Romain Geissler  <romain.geissler@gmail.com>
 365             Alan Modra  <amodra@gmail.com>
 366
 367         * configure.ac: Add --enable-default-hash-style option.
 368         * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
 369         * configure: Regenerate.
 370         * config.in: Regenerate.
 371
 372 2017-08-03  James Clarke  <jrtc27@jrtc27.com>
 373
 374         * options.h (General_options): Set a non-NULL second help string
 375         argument for relax to allow --no-relax.
 376
 377 2017-08-01  Alan Modra  <amodra@gmail.com>
 378
 379         * ehframe.cc (Fde::operator==): New.
 380         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
 381         * ehframe.h (Fde::operator==): Declare.
 382         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
 383         * layout.cc (Layout::remove_eh_frame_for_plt): New.
 384         * layout.h (Layout::remove_eh_frame_for_plt): Declare.
 385         * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
 386         (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
 387         Don't add eh_frame for empty stub section.
 388         (Stub_table::remove_eh_frame): New.
 389
 390 2017-07-31  Alan Modra  <amodra@gmail.com>
 391
 392         * options.h (no_tls_optimize): New powerpc option.
 393         * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
 394         (Target_powerpc::stk_toc): Formatting, fix comment.
 395         (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
 396         tls_get_addr.
 397         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 398         Return TLSOPT_NONE when !tls_optimize.
 399         (Target_powerpc::add_global_pair_with_rel): Check
 400         for existing reloc before reserving.
 401         (Target_powerpc::add_local_tls_pair): Likewise.
 402
 403 2017-07-31  Alan Modra  <amodra@gmail.com>
 404
 405         PR 21847
 406         * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
 407         without ld.so checks.
 408
 409 2017-07-29  Alan Modra  <amodra@gmail.com>
 410
 411         PR 21847
 412         * powerpc.cc (Target_powerpc::scan_relocs): Default to
 413         --no-plt-localentry.
 414
 415 2017-07-28  H.J. Lu  <hongjiu.lu@intel.com>
 416
 417         PR gold/21857
 418         * compressed_output.cc (Output_compressed_section::set_final_data_size):
 419         Call put_ch_reserved to clear the reserved field for 64-bit ELF.
 420
 421 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
 422
 423         * mips.cc (Mips_relocate_functions): Add "llu" suffix to
 424         0x800080008000.
 425
 426 2017-07-23  Alan Modra  <amodra@gmail.com>
 427
 428         * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
 429         restore of LR.
 430         (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
 431         possible insn.
 432
 433 2017-07-18  Nick Clifton  <nickc@redhat.com>
 434
 435         PR 21775
 436         * aarch64.cc: Fix spelling typos.
 437         * arm.cc: Likewise.
 438         * layout.cc: Likewise.
 439         * powerpc.cc: Likewise.
 440         * x86_64.cc: Likewise.
 441
 442 2017-07-12  Alan Modra  <amodra@gmail.com>
 443
 444         * po/es.po: Update from translationproject.org/latest/gold/.
 445         * po/fi.po: Likewise.
 446         * po/fr.po: Likewise.
 447         * po/id.po: Likewise.
 448         * po/it.po: Likewise.
 449         * po/vi.po: Likewise.
 450         * po/zh_CN.po: Likewise.
 451         * po/ja.po: New file from translationproject.org.
 452         * po/sv.po: Likewise.
 453         * po/uk.po: Likewise.
 454
 455 2017-07-06  Han Shen  <shenhan@google.com>
 456
 457         PR gold/21491
 458         * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
 459         (Erratum_stub::is_invalidated_erratum_stub): New method.
 460         (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
 461         (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
 462         (Stub_table::relocate_erratum_stub): New method.
 463         (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
 464         "fix_errata".
 465         (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
 466
 467 2017-06-23  Alan Modra  <amodra@gmail.com>
 468
 469         * options.h (General_options): Add plt_localentry.
 470         * powerpc.cc (Target_powerpc::st_other): New function.
 471         (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
 472         has_localentry0_): New vars.
 473         (Target_powerpc::plt_localentry0, set_has_localentry0,
 474         is_elfv2_localentry0): New functions.
 475         (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
 476         return true for localentry:0 calls.
 477         (Stub_table::Plt_stub_ent::localentry0_): New var.
 478         (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
 479         Don't set r2save_ for localentry:0 calls.
 480         (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
 481         (Target_powerpc::scan_relocs): Default plt_localentry0_.
 482         (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
 483         (Target_powerpc::Relocate::relocate): Don't require nop following
 484         calls for localentry:0 plt calls, and don't change nop.
 485
 486 2017-06-23  Alan Modra  <amodra@gmail.com>
 487
 488         * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
 489         (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
 490         (Target_powerpc::Branch_info::tocsave_): New var.
 491         (Target_powerpc::Branch_info::mark_pltcall): New function.
 492         (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
 493         add_plt_call_entry.
 494         (Stub_table::Plt_stub_ent): Make public.  Add r2save_.
 495         (Stub_table::add_plt_call_entry): Add bool tocsave_ param.  Set
 496         r2save_.
 497         (Stub_table::find_plt_call_entry): Return Plt_stub_ent*.  Adjust
 498         use throughout.
 499         (Stub_table::do_write): Conditionally output r2 save in plt stubs.
 500         (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
 501         (Target_powerpc::Scan::global): Likewise.
 502         (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
 503         with tocsave reloc.  Replace header tocsave nop with r2 save.
 504         * symtab.h (struct Symbol_location_hash): Make public.
 505
 506 2017-06-21  Alan Modra  <amodra@gmail.com>
 507
 508         * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent.  Remove indx_.
 509         (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
 510         (struct Plt_stub_ent): New.
 511         (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent.  Adjust
 512         use throughout file.
 513
 514 2017-06-20  Eric Christopher  <echristo@gmail.com>
 515
 516         * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
 517         calculate the symbol value.
 518         (scan_reloc_section_for_stubs): Allow stubs to be created for
 519         section symbols.
 520         (maybe_apply_stub): Handle creating stubs for weak symbols to
 521         match the code in scan_reloc_for_stub.
 522
 523 2017-06-20  James Clarke  <jrtc27@jrtc27.com>
 524
 525         * powerpc.cc (Stub_table::define_stub_syms): Always include object's
 526         uniq_ value.
 527
 528 2017-06-15  Eric Christopher  <echristo@gmail.com>
 529
 530         * aarch64.cc: Fix a few typos and grammar-os.
 531
 532 2017-06-15  Jiong Wang  <jiong.wang@arm.com>
 533
 534         * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
 535         (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
 536         Return ture for some TLS relaxed sequences.
 537
 538 2017-06-07  Eric Christopher  <echristo@gmail.com>
 539
 540         * aarch64.cc (maybe_apply_stub): Add debug logging for looking
 541         up stubs to undefined symbols and early return rather than
 542         fail to look them up.
 543         (scan_reloc_for_stub): Add debug logging for no stub creation
 544         for undefined symbols.
 545
 546 2017-05-23  Alan Modra  <amodra@gmail.com>
 547
 548         PR 21503
 549         * options.h: Add --emit-stub-syms option.
 550         * powerpc.cc (object_id): New.
 551         (Powerpc_relobj): Add uniq_ and accessor.  Sort variables for
 552         better packing.
 553         (Powerpc_dynobj): Sort variables for better packing.
 554         (Target_powerpc::define_local): New function.
 555         (Target_powerpc::group_sections): Pass stub table size to
 556         Stub_table constructor.
 557         (Target_powerpc::do_relax): Define stub and glink symbols.
 558         (Stub_table): Add uniq_ variable, and id param to constructor.
 559         (Stub_table::Plt_stub_ent): Add indx_ variable.
 560         (Stub_table::Branch_stub_entries): Move typedef earlier.
 561         (Stub_table::branch_stub_size): Replace "to" parameter with a
 562         Branch_stub_entries iterator.
 563         (Stub_table::add_long_branch_entry): Adjust to suit.
 564         (Stub_table::add_plt_call_entry): Set indx_.
 565         (Stub_table::define_stub_syms): New function.
 566
 567 2017-05-15  Eric Christopher <echristo@gmail.com>
 568
 569         * layout.cc (Layout::segment_precedes): Add a case for testing
 570         pointer equality when determining which segment precedes
 571         another.
 572
 573 2017-05-13  James Clarke  <jrtc27@jrtc27.com>
 574
 575         PR gold/21444
 576         * gold.cc (Target_sparc::Relocate::relocate_tls): Local
 577         variables are final for position-independent executables. This
 578         has to be consistent with Target_sparc::Scan::local otherwise
 579         they will disagree as to whether local-exec is used.
 580
 581 2017-05-12  Igor Kudrin  <ikudrin@accesssoftek.com>
 582
 583         PR gold/21430
 584         * aarch64.cc
 585         (AArch64_relobj::convert_input_section_to_relaxed_section):
 586         Set the section offset to -1ULL.
 587         (Target_aarch64::relocate_section): Adjust the view in case
 588         of a relaxed input section.
 589         * testsuite/Makefile.am (pr21430): New test.
 590         * testsuite/Makefile.in: Regenerate
 591         * testsuite/pr21430.s: New test source file.
 592         * testsuite/pr21430.sh: New test script.
 593
 594 2017-04-27  Alan Modra  <amodra@gmail.com>
 595
 596         * testsuite/plugin_section_order.c (onload): Add missing break.
 597
 598 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 599
 600         * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
 601         possibility of collisions.
 602         (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
 603         entries.
 604
 605 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 606
 607         * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
 608         member.
 609         (Mips_relobj::merge_processor_specific_data): New method.
 610         (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
 611         to false, only if the input file is a binary or if object has no
 612         contents except the section name string table and an empty symbol
 613         table with the undefined symbol.
 614         (Target_mips::do_finalize_sections): Refactor.  Skip empty object files
 615         for merging processor-specific data.
 616
 617 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 618
 619         * mips.cc (Target_mips::Relocate::calculated_value_): New data
 620         member.
 621         (Target_mips::Relocate::calculate_only_): Likewise.
 622         (Target_mips::Relocate::relocate): Handle multiple consecutive
 623         relocations with the same offset.
 624
 625 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 626
 627         * mips.cc (Target_mips::Relocate::relocate): Remove redundant
 628         checks for relocatable link.
 629         (Mips_relocate_functions::reljalr): Likewise.
 630
 631 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 632
 633         * mips.cc (class Mips_output_section_options): New class.
 634         (Target_mips::do_make_output_section): New method.
 635
 636 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 637
 638         * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
 639         overflow error message.
 640         (Target_mips::relocate_special_relocatable): Improve relocation
 641         overflow error message.
 642         (Target_mips::Relocate::relocate): Likewise.
 643
 644 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 645
 646         * mips.cc (symbol_refs_local): Return false if a symbol
 647         is from a dynamic object.
 648         (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
 649         (Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
 650         STB_LOCAL.
 651         (Target_mips::do_finalize_sections): Set _gp after all the checks
 652         for creating .got are done.
 653         (Target_mips::Scan::global): Remove unused code.
 654
 655 2017-02-22  Alan Modra  <amodra@gmail.com>
 656
 657         * powerpc.cc (Target_powerpc::make_iplt_section): Check that
 658         output_section exists before attempting add_output_section_data.
 659         (Target_powerpc::make_brlt_section): Likewise.
 660
 661 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 662
 663         * mips.cc (Target_mips::Scan::get_reference_flags): Remove
 664         gold_unreachable from default case.
 665
 666 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 667
 668         PR gold/21111
 669         * mips.cc (Mips_relocate_functions::relhigher): New method.
 670         (Mips_relocate_functions::relhighest): Likewise.
 671         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
 672         R_MIPS_HIGHEST.
 673         (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
 674         R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
 675         (Target_mips::Scan::global): Likewise.
 676         (Target_mips::Scan::get_reference_flags): Likewise.
 677         (Target_mips::Relocate::relocate): Call static methods for resolving
 678         HIGHER and HIGHEST relocations.
 679
 680 2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>
 681
 682         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 683         Return true even when building pie binaries.
 684         (Target_x86_64::possible_function_pointer_reloc): Check opcode
 685         for R_X86_64_PC32 relocations.
 686         (Target_x86_64::local_reloc_may_be_function_pointer): Pass
 687         extra arguments to local_reloc_may_be_function_pointer.
 688         (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
 689         * gc.h (gc_process_relocs): Add check for STT_FUNC.
 690         * testsuite/Makefile.am (icf_safe_pie_test): New test case.
 691         * testsuite/Makefile.in: Regenerate.
 692         * testsuite/icf_safe_pie_test.sh: New shell script.
 693
 694 2017-02-03  Alan Modra  <amodra@gmail.com>
 695
 696         * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
 697         when no .toc section exists.
 698
 699 2017-01-31  Cary Coutant  <ccoutant@gmail.com>
 700
 701         PR gold/21090
 702         * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
 703         for predefined symbol.
 704         (Target_x86_64::Relocate::relocate): Fix formatting.
 705
 706 2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>
 707
 708         * testsuite/icf_safe_so_test.sh: Use "set -e".
 709         * testsuite/icf_safe_test.sh: Likewise.
 710         * testsuite/icf_test.sh: Likewise.
 711
 712 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 713
 714         * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
 715         type.
 716         (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
 717         point to .plt.
 718
 719 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 720
 721         PR gold/21054
 722         * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
 723         to the dynamic symbol table if it is forced to local visibility.
 724         (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
 725         dynamic symbol table if it is forced to local visibility.
 726
 727 2017-01-20  Nick Clifton  <nickc@redhat.com>
 728
 729         * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
 730         from a pointer to an array.
 731
 732 2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 733
 734         PR gold/21040
 735         * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
 736         Cast 0x80008000 to uint64_t.
 737
 738 2017-01-12  Cary Coutant  <ccoutant@gmail.com>
 739
 740         * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
 741
 742 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 743
 744         PR gold/21040
 745         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 746         Remove unnecessary 'typename' keyword.
 747         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 748         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 749         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 750         (Output_data_plt_x86_64_bnd::do_write): Likewise.
 751
 752 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 753
 754         PR gold/21040
 755         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 756         Remove unnecessary 'typename' keyword.
 757         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 758         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 759         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 760         * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
 761         declarations.
 762
 763 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 764
 765         PR gold/21039
 766         * testsuite/script_test_13.sh: Adjust patterns to work for i386.
 767         * testsuite/script_test_15a.sh: Likewise.
 768         * testsuite/script_test_15b.sh: Likewise.
 769         * testsuite/script_test_15c.sh: Likewise.
 770
 771 2017-01-11  Alan Modra  <amodra@gmail.com>
 772
 773         * powerpc.cc (class Powerpc_copy_relocs): New.
 774         (Powerpc_copy_relocs::emit): New function.
 775         (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
 776         (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
 777         (Powerpc_relobj::do_relocate_sections): New function.
 778         (Powerpc_relobj::make_toc_relative): Likewise.
 779         (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
 780         and .toc too.
 781         (ok_lo_toc_insn): Move earlier, and handle more insns.
 782         (Target_powerpc::Scan::local): If optimizing toc accesses, set
 783         no_toc_opt for entries we can't edit.  Check insn validity.
 784         Emit "toc optimization is not supported" warning, downgraded
 785         from error.
 786         (Target_powerpc::Scan::global): Likewise.
 787         (Target_powerpc::Relocate::relocate): Edit TOC indirect code
 788         to TOC relative.  Don't emit "toc optimization is not supported"
 789         error here.
 790
 791 2017-01-10  Cary Coutant  <ccoutant@gmail.com>
 792
 793         * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
 794         Sized_relobj_file::relocate_section_range().
 795         * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
 796         * object.h (Sized_relobj_file::relocate_section_range): New method.
 797         * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
 798         implementation...
 799         (Sized_relobj_file::relocate_section_range): ...to new method.
 800
 801 2017-01-10  Alan Modra  <amodra@gmail.com>
 802
 803         * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
 804         _GLOBAL_OFFSET_TABLE_.  Allow zero count.
 805         * testsuite/copy_test_relro_1.cc (c, q): New vars.
 806         * testsuite/copy_test_relro.cc: Rewrite to test read-only
 807         status of variables directly.  Reference new vars in
 808         read-only data.
 809
 810 2017-01-10  Alan Modra  <amodra@gmail.com>
 811
 812         * options.h: Add --secure-plt option.
 813         * powerpc.cc (Target_powerpc::Scan::local): Detect and error
 814         on -fPIC -mbss-plt code.
 815         (Target_powerpc::Scan::global): Likewise.
 816
 817 2017-01-09  Alan Modra  <amodra@gmail.com>
 818
 819         * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
 820         ".rela.plt" at ".plt".
 821
 822 2017-01-07  Alan Modra  <amodra@gmail.com>
 823
 824         * powerpc.cc: Use shorter equivalent elfcpp typedef for
 825         Reltype and reloc_size throughout.
 826         (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
 827         (Target_powerpc::Scan::local): Use local var r_sym.
 828         (Target_powerpc::Scan::global: Likewise.
 829         (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
 830
 831 2017-01-02  Alan Modra  <amodra@gmail.com>
 832
 833         Update year range in copyright notice of all files.
 834
 835 For older changes see ChangeLog-2016
 836 \f
 837 Copyright (C) 2017 Free Software Foundation, Inc.
 838
 839 Copying and distribution of this file, with or without modification,
 840 are permitted in any medium without royalty provided the copyright
 841 notice and this notice are preserved.
 842
 843 Local Variables:
 844 mode: change-log
 845 left-margin: 8
 846 fill-column: 74
 847 version-control: never
 848 End: