gold/ChangeLog

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