gold/ChangeLog

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