gold/ChangeLog

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