gold/ChangeLog

   1 2017-08-08  Romain Geissler  <romain.geissler@gmail.com>
   2             Alan Modra  <amodra@gmail.com>
   3
   4         * configure.ac: Add --enable-default-hash-style option.
   5         * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
   6         * configure: Regenerate.
   7         * config.in: Regenerate.
   8
   9 2017-08-03  James Clarke  <jrtc27@jrtc27.com>
  10
  11         * options.h (General_options): Set a non-NULL second help string
  12         argument for relax to allow --no-relax.
  13
  14 2017-08-01  Alan Modra  <amodra@gmail.com>
  15
  16         * ehframe.cc (Fde::operator==): New.
  17         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
  18         * ehframe.h (Fde::operator==): Declare.
  19         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
  20         * layout.cc (Layout::remove_eh_frame_for_plt): New.
  21         * layout.h (Layout::remove_eh_frame_for_plt): Declare.
  22         * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
  23         (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
  24         Don't add eh_frame for empty stub section.
  25         (Stub_table::remove_eh_frame): New.
  26
  27 2017-07-31  Alan Modra  <amodra@gmail.com>
  28
  29         * options.h (no_tls_optimize): New powerpc option.
  30         * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
  31         (Target_powerpc::stk_toc): Formatting, fix comment.
  32         (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
  33         tls_get_addr.
  34         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
  35         Return TLSOPT_NONE when !tls_optimize.
  36         (Target_powerpc::add_global_pair_with_rel): Check
  37         for existing reloc before reserving.
  38         (Target_powerpc::add_local_tls_pair): Likewise.
  39
  40 2017-07-31  Alan Modra  <amodra@gmail.com>
  41
  42         * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
  43         without ld.so checks.
  44
  45 2017-07-29  Alan Modra  <amodra@gmail.com>
  46
  47         PR 21847
  48         * powerpc.cc (Target_powerpc::scan_relocs): Default to
  49         --no-plt-localentry.
  50
  51 2017-07-28  H.J. Lu  <hongjiu.lu@intel.com>
  52
  53         PR gold/21857
  54         * compressed_output.cc (Output_compressed_section::set_final_data_size):
  55         Call put_ch_reserved to clear the reserved field for 64-bit ELF.
  56
  57 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
  58
  59         * mips.cc (Mips_relocate_functions): Add "llu" suffix to
  60         0x800080008000.
  61
  62 2017-07-23  Alan Modra  <amodra@gmail.com>
  63
  64         * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
  65         restore of LR.
  66         (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
  67         possible insn.
  68
  69 2017-07-18  Nick Clifton  <nickc@redhat.com>
  70
  71         PR 21775
  72         * aarch64.cc: Fix spelling typos.
  73         * arm.cc: Likewise.
  74         * layout.cc: Likewise.
  75         * powerpc.cc: Likewise.
  76         * x86_64.cc: Likewise.
  77
  78 2017-07-12  Alan Modra  <amodra@gmail.com>
  79
  80         * po/es.po: Update from translationproject.org/latest/gold/.
  81         * po/fi.po: Likewise.
  82         * po/fr.po: Likewise.
  83         * po/id.po: Likewise.
  84         * po/it.po: Likewise.
  85         * po/vi.po: Likewise.
  86         * po/zh_CN.po: Likewise.
  87         * po/ja.po: New file from translationproject.org.
  88         * po/sv.po: Likewise.
  89         * po/uk.po: Likewise.
  90
  91 2017-07-06  Han Shen  <shenhan@google.com>
  92
  93         PR gold/21491
  94         * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
  95         (Erratum_stub::is_invalidated_erratum_stub): New method.
  96         (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
  97         (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
  98         (Stub_table::relocate_erratum_stub): New method.
  99         (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
 100         "fix_errata".
 101         (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
 102
 103 2017-06-23  Alan Modra  <amodra@gmail.com>
 104
 105         * options.h (General_options): Add plt_localentry.
 106         * powerpc.cc (Target_powerpc::st_other): New function.
 107         (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
 108         has_localentry0_): New vars.
 109         (Target_powerpc::plt_localentry0, set_has_localentry0,
 110         is_elfv2_localentry0): New functions.
 111         (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
 112         return true for localentry:0 calls.
 113         (Stub_table::Plt_stub_ent::localentry0_): New var.
 114         (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
 115         Don't set r2save_ for localentry:0 calls.
 116         (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
 117         (Target_powerpc::scan_relocs): Default plt_localentry0_.
 118         (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
 119         (Target_powerpc::Relocate::relocate): Don't require nop following
 120         calls for localentry:0 plt calls, and don't change nop.
 121
 122 2017-06-23  Alan Modra  <amodra@gmail.com>
 123
 124         * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
 125         (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
 126         (Target_powerpc::Branch_info::tocsave_): New var.
 127         (Target_powerpc::Branch_info::mark_pltcall): New function.
 128         (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
 129         add_plt_call_entry.
 130         (Stub_table::Plt_stub_ent): Make public.  Add r2save_.
 131         (Stub_table::add_plt_call_entry): Add bool tocsave_ param.  Set
 132         r2save_.
 133         (Stub_table::find_plt_call_entry): Return Plt_stub_ent*.  Adjust
 134         use throughout.
 135         (Stub_table::do_write): Conditionally output r2 save in plt stubs.
 136         (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
 137         (Target_powerpc::Scan::global): Likewise.
 138         (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
 139         with tocsave reloc.  Replace header tocsave nop with r2 save.
 140         * symtab.h (struct Symbol_location_hash): Make public.
 141
 142 2017-06-21  Alan Modra  <amodra@gmail.com>
 143
 144         * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent.  Remove indx_.
 145         (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
 146         (struct Plt_stub_ent): New.
 147         (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent.  Adjust
 148         use throughout file.
 149
 150 2017-06-20  Eric Christopher  <echristo@gmail.com>
 151
 152         * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
 153         calculate the symbol value.
 154         (scan_reloc_section_for_stubs): Allow stubs to be created for
 155         section symbols.
 156         (maybe_apply_stub): Handle creating stubs for weak symbols to
 157         match the code in scan_reloc_for_stub.
 158
 159 2017-06-20  James Clarke  <jrtc27@jrtc27.com>
 160
 161         * powerpc.cc (Stub_table::define_stub_syms): Always include object's
 162         uniq_ value.
 163
 164 2017-06-15  Eric Christopher  <echristo@gmail.com>
 165
 166         * aarch64.cc: Fix a few typos and grammar-os.
 167
 168 2017-06-15  Jiong Wang  <jiong.wang@arm.com>
 169
 170         * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
 171         (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
 172         Return ture for some TLS relaxed sequences.
 173
 174 2017-06-07  Eric Christopher  <echristo@gmail.com>
 175
 176         * aarch64.cc (maybe_apply_stub): Add debug logging for looking
 177         up stubs to undefined symbols and early return rather than
 178         fail to look them up.
 179         (scan_reloc_for_stub): Add debug logging for no stub creation
 180         for undefined symbols.
 181
 182 2017-05-23  Alan Modra  <amodra@gmail.com>
 183
 184         PR 21503
 185         * options.h: Add --emit-stub-syms option.
 186         * powerpc.cc (object_id): New.
 187         (Powerpc_relobj): Add uniq_ and accessor.  Sort variables for
 188         better packing.
 189         (Powerpc_dynobj): Sort variables for better packing.
 190         (Target_powerpc::define_local): New function.
 191         (Target_powerpc::group_sections): Pass stub table size to
 192         Stub_table constructor.
 193         (Target_powerpc::do_relax): Define stub and glink symbols.
 194         (Stub_table): Add uniq_ variable, and id param to constructor.
 195         (Stub_table::Plt_stub_ent): Add indx_ variable.
 196         (Stub_table::Branch_stub_entries): Move typedef earlier.
 197         (Stub_table::branch_stub_size): Replace "to" parameter with a
 198         Branch_stub_entries iterator.
 199         (Stub_table::add_long_branch_entry): Adjust to suit.
 200         (Stub_table::add_plt_call_entry): Set indx_.
 201         (Stub_table::define_stub_syms): New function.
 202
 203 2017-05-15  Eric Christopher <echristo@gmail.com>
 204
 205         * layout.cc (Layout::segment_precedes): Add a case for testing
 206         pointer equality when determining which segment precedes
 207         another.
 208
 209 2017-05-13  James Clarke  <jrtc27@jrtc27.com>
 210
 211         PR gold/21444
 212         * gold.cc (Target_sparc::Relocate::relocate_tls): Local
 213         variables are final for position-independent executables. This
 214         has to be consistent with Target_sparc::Scan::local otherwise
 215         they will disagree as to whether local-exec is used.
 216
 217 2017-05-12  Igor Kudrin  <ikudrin@accesssoftek.com>
 218
 219         PR gold/21430
 220         * aarch64.cc
 221         (AArch64_relobj::convert_input_section_to_relaxed_section):
 222         Set the section offset to -1ULL.
 223         (Target_aarch64::relocate_section): Adjust the view in case
 224         of a relaxed input section.
 225         * testsuite/Makefile.am (pr21430): New test.
 226         * testsuite/Makefile.in: Regenerate
 227         * testsuite/pr21430.s: New test source file.
 228         * testsuite/pr21430.sh: New test script.
 229
 230 2017-04-27  Alan Modra  <amodra@gmail.com>
 231
 232         * testsuite/plugin_section_order.c (onload): Add missing break.
 233
 234 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 235
 236         * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
 237         possibility of collisions.
 238         (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
 239         entries.
 240
 241 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 242
 243         * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
 244         member.
 245         (Mips_relobj::merge_processor_specific_data): New method.
 246         (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
 247         to false, only if the input file is a binary or if object has no
 248         contents except the section name string table and an empty symbol
 249         table with the undefined symbol.
 250         (Target_mips::do_finalize_sections): Refactor.  Skip empty object files
 251         for merging processor-specific data.
 252
 253 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 254
 255         * mips.cc (Target_mips::Relocate::calculated_value_): New data
 256         member.
 257         (Target_mips::Relocate::calculate_only_): Likewise.
 258         (Target_mips::Relocate::relocate): Handle multiple consecutive
 259         relocations with the same offset.
 260
 261 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 262
 263         * mips.cc (Target_mips::Relocate::relocate): Remove redundant
 264         checks for relocatable link.
 265         (Mips_relocate_functions::reljalr): Likewise.
 266
 267 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 268
 269         * mips.cc (class Mips_output_section_options): New class.
 270         (Target_mips::do_make_output_section): New method.
 271
 272 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 273
 274         * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
 275         overflow error message.
 276         (Target_mips::relocate_special_relocatable): Improve relocation
 277         overflow error message.
 278         (Target_mips::Relocate::relocate): Likewise.
 279
 280 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 281
 282         * mips.cc (symbol_refs_local): Return false if a symbol
 283         is from a dynamic object.
 284         (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
 285         (Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
 286         STB_LOCAL.
 287         (Target_mips::do_finalize_sections): Set _gp after all the checks
 288         for creating .got are done.
 289         (Target_mips::Scan::global): Remove unused code.
 290
 291 2017-02-22  Alan Modra  <amodra@gmail.com>
 292
 293         * powerpc.cc (Target_powerpc::make_iplt_section): Check that
 294         output_section exists before attempting add_output_section_data.
 295         (Target_powerpc::make_brlt_section): Likewise.
 296
 297 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 298
 299         * mips.cc (Target_mips::Scan::get_reference_flags): Remove
 300         gold_unreachable from default case.
 301
 302 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 303
 304         PR gold/21111
 305         * mips.cc (Mips_relocate_functions::relhigher): New method.
 306         (Mips_relocate_functions::relhighest): Likewise.
 307         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
 308         R_MIPS_HIGHEST.
 309         (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
 310         R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
 311         (Target_mips::Scan::global): Likewise.
 312         (Target_mips::Scan::get_reference_flags): Likewise.
 313         (Target_mips::Relocate::relocate): Call static methods for resolving
 314         HIGHER and HIGHEST relocations.
 315
 316 2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>
 317
 318         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 319         Return true even when building pie binaries.
 320         (Target_x86_64::possible_function_pointer_reloc): Check opcode
 321         for R_X86_64_PC32 relocations.
 322         (Target_x86_64::local_reloc_may_be_function_pointer): Pass
 323         extra arguments to local_reloc_may_be_function_pointer.
 324         (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
 325         * gc.h (gc_process_relocs): Add check for STT_FUNC.
 326         * testsuite/Makefile.am (icf_safe_pie_test): New test case.
 327         * testsuite/Makefile.in: Regenerate.
 328         * testsuite/icf_safe_pie_test.sh: New shell script.
 329
 330 2017-02-03  Alan Modra  <amodra@gmail.com>
 331
 332         * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
 333         when no .toc section exists.
 334
 335 2017-01-31  Cary Coutant  <ccoutant@gmail.com>
 336
 337         PR gold/21090
 338         * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
 339         for predefined symbol.
 340         (Target_x86_64::Relocate::relocate): Fix formatting.
 341
 342 2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>
 343
 344         * testsuite/icf_safe_so_test.sh: Use "set -e".
 345         * testsuite/icf_safe_test.sh: Likewise.
 346         * testsuite/icf_test.sh: Likewise.
 347
 348 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 349
 350         * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
 351         type.
 352         (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
 353         point to .plt.
 354
 355 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 356
 357         PR gold/21054
 358         * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
 359         to the dynamic symbol table if it is forced to local visibility.
 360         (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
 361         dynamic symbol table if it is forced to local visibility.
 362
 363 2017-01-20  Nick Clifton  <nickc@redhat.com>
 364
 365         * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
 366         from a pointer to an array.
 367
 368 2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 369
 370         PR gold/21040
 371         * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
 372         Cast 0x80008000 to uint64_t.
 373
 374 2017-01-12  Cary Coutant  <ccoutant@gmail.com>
 375
 376         * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
 377
 378 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 379
 380         PR gold/21040
 381         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 382         Remove unnecessary 'typename' keyword.
 383         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 384         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 385         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 386         (Output_data_plt_x86_64_bnd::do_write): Likewise.
 387
 388 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 389
 390         PR gold/21040
 391         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 392         Remove unnecessary 'typename' keyword.
 393         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 394         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 395         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 396         * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
 397         declarations.
 398
 399 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 400
 401         PR gold/21039
 402         * testsuite/script_test_13.sh: Adjust patterns to work for i386.
 403         * testsuite/script_test_15a.sh: Likewise.
 404         * testsuite/script_test_15b.sh: Likewise.
 405         * testsuite/script_test_15c.sh: Likewise.
 406
 407 2017-01-11  Alan Modra  <amodra@gmail.com>
 408
 409         * powerpc.cc (class Powerpc_copy_relocs): New.
 410         (Powerpc_copy_relocs::emit): New function.
 411         (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
 412         (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
 413         (Powerpc_relobj::do_relocate_sections): New function.
 414         (Powerpc_relobj::make_toc_relative): Likewise.
 415         (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
 416         and .toc too.
 417         (ok_lo_toc_insn): Move earlier, and handle more insns.
 418         (Target_powerpc::Scan::local): If optimizing toc accesses, set
 419         no_toc_opt for entries we can't edit.  Check insn validity.
 420         Emit "toc optimization is not supported" warning, downgraded
 421         from error.
 422         (Target_powerpc::Scan::global): Likewise.
 423         (Target_powerpc::Relocate::relocate): Edit TOC indirect code
 424         to TOC relative.  Don't emit "toc optimization is not supported"
 425         error here.
 426
 427 2017-01-10  Cary Coutant  <ccoutant@gmail.com>
 428
 429         * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
 430         Sized_relobj_file::relocate_section_range().
 431         * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
 432         * object.h (Sized_relobj_file::relocate_section_range): New method.
 433         * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
 434         implementation...
 435         (Sized_relobj_file::relocate_section_range): ...to new method.
 436
 437 2017-01-10  Alan Modra  <amodra@gmail.com>
 438
 439         * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
 440         _GLOBAL_OFFSET_TABLE_.  Allow zero count.
 441         * testsuite/copy_test_relro_1.cc (c, q): New vars.
 442         * testsuite/copy_test_relro.cc: Rewrite to test read-only
 443         status of variables directly.  Reference new vars in
 444         read-only data.
 445
 446 2017-01-10  Alan Modra  <amodra@gmail.com>
 447
 448         * options.h: Add --secure-plt option.
 449         * powerpc.cc (Target_powerpc::Scan::local): Detect and error
 450         on -fPIC -mbss-plt code.
 451         (Target_powerpc::Scan::global): Likewise.
 452
 453 2017-01-09  Alan Modra  <amodra@gmail.com>
 454
 455         * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
 456         ".rela.plt" at ".plt".
 457
 458 2017-01-07  Alan Modra  <amodra@gmail.com>
 459
 460         * powerpc.cc: Use shorter equivalent elfcpp typedef for
 461         Reltype and reloc_size throughout.
 462         (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
 463         (Target_powerpc::Scan::local): Use local var r_sym.
 464         (Target_powerpc::Scan::global: Likewise.
 465         (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
 466
 467 2017-01-02  Alan Modra  <amodra@gmail.com>
 468
 469         Update year range in copyright notice of all files.
 470
 471 For older changes see ChangeLog-2016
 472 \f
 473 Copyright (C) 2017 Free Software Foundation, Inc.
 474
 475 Copying and distribution of this file, with or without modification,
 476 are permitted in any medium without royalty provided the copyright
 477 notice and this notice are preserved.
 478
 479 Local Variables:
 480 mode: change-log
 481 left-margin: 8
 482 fill-column: 74
 483 version-control: never
 484 End: