gold/ChangeLog

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