gold/ChangeLog

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