gold/ChangeLog

   1 2016-08-31  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (class Stub_control): Delete stub14_group_size_
   4         and has14_.  Add group_size_.
   5         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
   6         debug info when switching to adding sections before stubs.
   7
   8 2016-08-31  Alan Modra  <amodra@gmail.com>
   9
  10         * debug.h (DEBUG_TARGET): New.
  11         (DEBUG_ALL): Add DEBUG_TARGET.
  12         (gold_debug): Delete FORMAT param.
  13         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  14
  15 2016-08-30  Alan Modra  <amodra@gmail.com>
  16
  17         PR 20523
  18         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
  19         (Stub_control::can_add_to_stub_group): Correct grouping of
  20         sections containing 14-bit external branches.  When returning
  21         false, set state_ to reflect the fact that we have one section
  22         for the next group.  Rewrite most of function for clarity.
  23         Add and expand comments.
  24         (Target_powerpc::do_relax): Print stub group size retry in hex.
  25
  26 2016-08-26  Han Shen  <shenhan@google.com>
  27
  28         PR gold/20529 - relaxing loop never ends.
  29
  30         * powerpc.cc (Stub_table::min_size_threshold_): New member to
  31         limit size.
  32         (Stub_table::set_min_size_threshold): New member function.
  33         (Stub_table::set_address_and_size): Add code to only allow size
  34         increase.
  35         (Target_powerpc::do_relax): Add code to record last size.
  36
  37 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  38
  39         * options.h (General_options): Grok -z stack-size.
  40         * output.h (Output_segment::set_size): New method.
  41         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
  42         (Layout::create_stack_segment): ... this.  Always create the
  43         segment if -z stack-size was used.
  44         (Layout::set_segment_offsets): Don't call ->set_offset on the
  45         PT_GNU_STACK segment.
  46
  47 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
  48
  49         * options.h (General_options): Add --be8 option.
  50         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
  51         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
  52         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
  53         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
  54         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
  55
  56 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
  57
  58         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
  59         error message.
  60         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
  61         (pr20308a): Add -Bgcctestdir/ to compile rules.
  62         * testsuite/Makefile.in: Regenerate.
  63
  64 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  65
  66         PR gold/20462
  67         * script-sections.cc (Script_sections::release_segments):
  68         Reset this->segments_created_.
  69
  70 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  71
  72         * yyscript.y (HIDDEN): New %token.
  73         (assignment): Handle HIDDEN(string = expr) syntax.
  74         * script.cc (script_keyword_parsecodes): Add HIDDEN.
  75
  76 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
  77
  78         PR gold/20216
  79         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
  80         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
  81         error message.
  82         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
  83         (pr20216_ld.o): Likewise.
  84         * testsuite/Makefile.in: Regenerate.
  85
  86 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  87
  88         PR gold/20443
  89         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
  90         which will be present for STT_SPARC_REGISTER.
  91         (Symbol_table::add_from_pluginobj): Likewise.
  92         (Symbol_table::add_from_dynobj): Likewise.
  93         (Symbol_table::add_from_incrobj): Removed dead code.
  94
  95 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  96
  97         PR gold/20442
  98         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
  99         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 100
 101 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 102
 103         PR gold/20441
 104         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 105         sparc64.
 106
 107 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 108
 109         PR gold/20310
 110         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 111
 112 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 113
 114         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 115         * testsuite/Makefile.in: Regenerate.
 116
 117 2016-06-30  Alan Modra  <amodra@gmail.com>
 118
 119         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 120         -Wl,-z to gcc, not plain -z.
 121         * testsuite/Makefile.in: Regenerate.
 122
 123 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 124
 125         PR gold/20308
 126         * i386.cc (Target_i386::Relocate::relocate): Allow
 127         R_386_GOT32X relocation against ___tls_get_addr.
 128         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 129         call to __tls_get_addr.
 130         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 131         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 132         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 133         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 134         (pr20308a_test_SOURCES): New.
 135         (pr20308a_test_DEPENDENCIES): Likewise.
 136         (pr20308a_test_CFLAGS): Likewise.
 137         (pr20308a_test_LDFLAGS): Likewise.
 138         (pr20308a_test_LDADD): Likewise.
 139         (pr20308b_test_SOURCES): Likewise.
 140         (pr20308b_test_DEPENDENCIES): Likewise.
 141         (pr20308b_test_CFLAGS): Likewise.
 142         (pr20308b_test_LDFLAGS): Likewise.
 143         (pr20308b_test_LDADD): Likewise.
 144         (pr20308c_test_SOURCES): Likewise.
 145         (pr20308c_test_DEPENDENCIES): Likewise.
 146         (pr20308c_test_CFLAGS): Likewise.
 147         (pr20308c_test_LDFLAGS): Likewise.
 148         (pr20308c_test_LDADD): Likewise.
 149         (pr20308d_test_SOURCES): Likewise.
 150         (pr20308d_test_DEPENDENCIES): Likewise.
 151         (pr20308d_test_CFLAGS): Likewise.
 152         (pr20308d_test_LDFLAGS): Likewise.
 153         (pr20308d_test_LDADD): Likewise.
 154         (pr20308e_test_SOURCES): Likewise.
 155         (pr20308e_test_DEPENDENCIES): Likewise.
 156         (pr20308e_test_CFLAGS): Likewise.
 157         (pr20308e_test_LDFLAGS): Likewise.
 158         (pr20308e_test_LDADD): Likewise.
 159         (pr20308a.so): Likewise.
 160         (pr20308b.so): Likewise.
 161         (pr20308_gd.o): Likewise.
 162         (pr20308_ld.o): Likewise.
 163         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 164         * testsuite/Makefile.in: Regenerated.
 165         * testsuite/pr20308_def.c: New file.
 166         * testsuite/pr20308_gd.S: Likewise.
 167         * testsuite/pr20308_ld.S: Likewise.
 168         * testsuite/pr20308_main.c: Likewise.
 169
 170 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 171
 172         PR gold/20216
 173         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 174         AM_CONDITIONAL.
 175         * configure: Regenerated.
 176         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 177         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 178         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 179         call to __tls_get_addr.
 180         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 181         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 182         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 183         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 184         (pr20216a_test_SOURCES): New.
 185         (pr20216a_test_DEPENDENCIES): Likewise.
 186         (pr20216a_test_CFLAGS): Likewise.
 187         (pr20216a_test_LDFLAGS): Likewise.
 188         (pr20216a_test_LDADD): Likewise.
 189         (pr20216b_test_SOURCES): Likewise.
 190         (pr20216b_test_DEPENDENCIES): Likewise.
 191         (pr20216b_test_CFLAGS): Likewise.
 192         (pr20216b_test_LDFLAGS): Likewise.
 193         (pr20216b_test_LDADD): Likewise.
 194         (pr20216c_test_SOURCES): Likewise.
 195         (pr20216c_test_DEPENDENCIES): Likewise.
 196         (pr20216c_test_CFLAGS): Likewise.
 197         (pr20216c_test_LDFLAGS): Likewise.
 198         (pr20216c_test_LDADD): Likewise.
 199         (pr20216d_test_SOURCES): Likewise.
 200         (pr20216d_test_DEPENDENCIES): Likewise.
 201         (pr20216d_test_CFLAGS): Likewise.
 202         (pr20216d_test_LDFLAGS): Likewise.
 203         (pr20216d_test_LDADD): Likewise.
 204         (pr20216e_test_SOURCES): Likewise.
 205         (pr20216e_test_DEPENDENCIES): Likewise.
 206         (pr20216e_test_CFLAGS): Likewise.
 207         (pr20216e_test_LDFLAGS): Likewise.
 208         (pr20216e_test_LDADD): Likewise.
 209         (pr20216a.so): Likewise.
 210         (pr20216b.so): Likewise.
 211         (pr20216_gd.o): Likewise.
 212         (pr20216_ld.o): Likewise.
 213         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 214         * testsuite/Makefile.in: Regenerated.
 215         * testsuite/pr20216_def.c: New file.
 216         * testsuite/pr20216_gd.S: Likewise.
 217         * testsuite/pr20216_ld.S: Likewise.
 218         * testsuite/pr20216_main.c: Likewise.
 219
 220 2016-06-29  Alan Modra  <amodra@gmail.com>
 221
 222         * script_test_12.t: Delete .plt, specify 64k page size.
 223         * script_test_12i.t: Likewise.
 224
 225 2016-06-29  Alan Modra  <amodra@gmail.com>
 226
 227         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 228         variables.
 229
 230 2016-06-29  Alan Modra  <amodra@gmail.com>
 231
 232         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 233         * testsuite/Makefile.in: Regenerate.
 234
 235 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 236
 237         * aarch64-reloc.def (NONE): New relocation.
 238         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 239         (Target_aarch64::Scan::global): Likewise.
 240         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 241         * testsuite/Makefile.in: Regenerate.
 242         * testsuite/aarch64_reloc_none.s: New test source file.
 243         * testsuite/aarch64_reloc_none.sh: New test script.
 244
 245 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 246
 247         * x86_64.cc (Lazy_view): New class.
 248         (can_convert_mov_to_lea): Templatize function.  Make the function
 249         check for appropriate relocation types and use the view parameter
 250         to get section contents.
 251         (can_convert_callq_to_direct): New function.
 252         (Target_x86_64<size>::Scan::global): Refactor.
 253         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 254         call via GOT that can be converted.
 255         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 256         * testsuite/Makefile.in: Regenerate.
 257         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 258         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 259
 260 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 261
 262         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 263         from the top level to the places of its use.
 264
 265 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 266
 267         PR gold/18098
 268         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 269         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 270         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 271         (Output_section_element_input::print): Likewise.
 272         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 273         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 274         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 275
 276         * testsuite/Makefile.am (script_test_14): New test.
 277         * testsuite/Makefile.in: Regenerate.
 278         * testsuite/script_test_14.s: New test source file.
 279         * testsuite/script_test_14.sh: New test script.
 280         * testsuite/script_test_14.t: New test linker script.
 281
 282 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 283
 284         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 285         to R_SPARC_RELATIVE if class is ELFCLASS64.
 286         (Target_sparc::Scan::global): Likewise.
 287
 288 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 289             Igor Kudrin  <ikudrin@accesssoftek.com>
 290
 291         PR gold/15370
 292         * script-sections.cc
 293         (Output_section_element_input::set_section_addresses): Keep bin_count
 294         separate from input_pattern_count.
 295         * testsuite/script_test_12.t: Add another section .x4.
 296         * testsuite/script_test_12i.t: Likewise.
 297         * testsuite/script_test_12a.c: Likewise.
 298         * testsuite/script_test_12b.c: Likewise.
 299
 300 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 301
 302         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 303
 304 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 305
 306         PR ld/20283
 307         * NEWS: Mention --enable-relro.
 308         * configure.ac: Add --enable-relro.
 309         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 310         to 1.
 311         * config.in: Regenerated.
 312         * configure: Likewise.
 313         * options.h (General_options::relro): Default to
 314         DEFAULT_LD_Z_RELRO.
 315
 316 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 317
 318         * NEWS: Add new features in 1.12.
 319         * version.cc (version_string): Bump to 1.12.
 320
 321 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 322
 323         PR gold/20245
 324         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 325         plt_ is NULL.
 326         (Target_i386::plt_entry_size): Likewise.
 327         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 328         (Target_x86_64<size>::plt_entry_size): Likewise.
 329
 330 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 331
 332         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 333         (Target_mips::rld_map_): New data member.
 334         (Target_mips::do_finalize_sections): Add support for
 335         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 336         .rld_map section, and __RLD_MAP symbol.
 337         (Target_mips::do_dynamic_tag_custom_value): Add support for
 338         DT_MIPS_RLD_MAP_REL dynamic tag.
 339         * output.cc (Output_data_dynamic::get_entry_offset): New method
 340         definition.
 341         * output.h (Output_data_dynamic::get_entry_offset): New method
 342         declaration.
 343
 344 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 345
 346         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 347
 348 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 349
 350         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 351         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 352         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 353         (is_matching_lo16_reloc): Likewise.
 354         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 355         (Mips_output_data_plt::plt_entry_r6): New static data member for
 356         R6 PLT entry.
 357         (Target_mips::is_output_r6): New method.
 358         (Target_mips::Mips_mach): Add new enum constants.
 359         (Mips_relocate_functions::Status): Likewise.
 360         (Mips_relocate_functions::pchi16_relocs): New static data member.
 361         (Mips_relocate_functions::relpc21): New method.
 362         (Mips_relocate_functions::relpc26): Likewise.
 363         (Mips_relocate_functions::relpc18): Likewise.
 364         (Mips_relocate_functions::relpc19): Likewise.
 365         (Mips_relocate_functions::relpchi16): Likewise.
 366         (Mips_relocate_functions::do_relpchi16): Likewise.
 367         (Mips_relocate_functions::relpclo16): Likewise.
 368         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 369         entry.
 370         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 371         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 372         E_MIPS_ARCH_64R6 support.
 373         (Target_mips::update_abiflags_isa): Likewise.
 374         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 375         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 376         R_MIPS_PC19_S2.
 377         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 378         and R_MIPS_PCLO16.
 379         (Target_mips::Scan::global): Add support for relocs:
 380         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 381         (Target_mips::Relocate::relocate): Call functions for resolving
 382         Mips32r6 and Mips64r6 relocations, and print error message for
 383         STATUS_PCREL_UNALIGNED.
 384         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 385         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 386         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 387         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 388         E_MIPS_ARCH_64R6 support.
 389
 390 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 391
 392         PR gold/20246
 393         * testsuite/script_test_2.t: Add .got.plt after .got.
 394
 395 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 396
 397         * mips.cc (struct Mips_abiflags): New struct.
 398         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 399         and abiflags_.
 400         (Mips_relobj::~Mips_relobj): Delete object pointed by
 401         attributes_section_data_.
 402         (Mips_relobj::abiflags): New method.
 403         (Mips_relobj::attributes_section_data): Likewise.
 404         (Mips_relobj::attributes_section_data_): New data member.
 405         (Mips_relobj::abiflags_): Likewise.
 406         (class Mips_output_section_abiflags): New class.
 407         (Target_mips::Target_mips): Initialize attributes_section_data_,
 408         abiflags_ and has_abiflags_section_.
 409         (Target_mips::do_should_include_section): Don't emit input
 410         .MIPS.abiflags sections to output .MIPS.abiflags.
 411         (Target_mips::Mips_mach): Add new enum constants.
 412         (Target_mips::mips_isa_ext_mach): New method.
 413         (Target_mips::mips_isa_ext): Likewise.
 414         (Target_mips::update_abiflags_isa): Likewise.
 415         (Target_mips::infer_abiflags): Likewise.
 416         (Target_mips::create_abiflags): Likewise.
 417         (Target_mips::fp_abi_string): Likewise.
 418         (Target_mips::select_fp_abi): Likewise.
 419         (Target_mips::merge_obj_attributes): Likewise.
 420         (Target_mips::merge_obj_abiflags): Likewise.
 421         (Target_mips::level_rev): Likewise.
 422         (Target_mips::merge_obj_e_flags): Rename from
 423         merge_processor_specific_flags. Remove dyn_obj argument,
 424         call update_abiflags_isa when needed, compare NaN encodings and
 425         compare FP64 state.
 426         (Target_mips::add_machine_extensions): Add two machine extensions
 427         and fix one.
 428         (Target_mips::attributes_section_data_): New data member.
 429         (Target_mips::abiflags_): Likewise.
 430         (Target_mips::has_abiflags_section_): Likewise.
 431         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 432         .MIPS.abiflags sections if they exists.
 433         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 434         E_MIPS_MACH_OCTEON3 support.
 435         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 436         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 437         .MIPS.abiflags sections from input. Create these sections if
 438         needed.
 439         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 440         E_MIPS_MACH_OCTEON3 support, and change strings for
 441         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 442         to match bfd.
 443
 444 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 445
 446         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 447         has_reginfo_section_.
 448         (Mips_relobj::has_reginfo_section_): New data member.
 449         (Mips_relobj::has_reginfo_section): New method.
 450         (class Mips_output_section_reginfo): Change base class to
 451         Output_section_data, and set masks of the output .reginfo section
 452         in constructor.
 453         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 454         Remove.
 455         (Mips_output_section_reginfo::set_masks): Likewise.
 456         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 457         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 458         (Target_mips::do_make_output_section): Remove.
 459         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 460         if the object contains a .reginfo section.
 461         (Target_mips::do_finalize_sections): Create a .reginfo output
 462         section if needed.
 463
 464 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 465
 466         * mips.cc (Mips_output_data_got::do_write): Add missing template
 467         args via typedef.
 468
 469 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 470
 471         PR/19960
 472         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 473         (Target_s390::ss_code_l_r14): Removed.
 474         (Target_s390::ss_code_ear): Removed.
 475         (Target_s390::ss_code_c): Removed.
 476         (Target_s390::ss_match_st_r14): New function.
 477         (Target_s390::ss_match_l_r14): New function.
 478         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 479         of matching code directly.
 480         (Target_s390::ss_match_ear): New function.
 481         (Target_s390::ss_match_c): New function.
 482         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 483         of matching code directly.
 484
 485 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 486
 487         PR gold/19823
 488         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 489         parameter; check for protected symbol.
 490         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 491         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 492         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 493         (Symbol_table::add_from_dynobj): Mark protected symbols.
 494         * symtab.h (Symbol::is_protected): New method.
 495         (Symbol::set_is_protected): New method.
 496         (Symbol::is_protected_): New data member.
 497
 498         * testsuite/Makefile.am (copy_test_protected): New test.
 499         * testsuite/Makefile.in: Regenerate.
 500         * testsuite/copy_test.cc (main): Add legal reference to protected
 501         symbol.
 502         * testsuite/copy_test_v1.cc (main): Likewise.
 503         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 504         * testsuite/copy_test_protected.cc: New test source file.
 505         * testsuite/copy_test_protected.sh: New test script.
 506
 507 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 508
 509         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 510         for global got symbols, and set addend to 0.
 511         (Mips_got_entry::hash): Change hash algorithm.
 512         (Mips_got_entry::equals): Refactor.
 513         (Mips_got_entry::object): Return input object for local got symbols
 514         from union d.
 515         (Mips_got_entry::addend): Change return of the relocation addend.
 516         (Mips_got_entry::addend_): Move from union d.
 517         (Mips_got_entry::object_): Move into union d.
 518         (class Mips_symbol_hash): New class.
 519         (Mips_got_info::Global_got_entry_set): New type.
 520         (Mips_got_info::global_got_symbols): Change return type to
 521         Global_got_entry_set.
 522         (Mips_got_info::global_got_symbols_): Change type to
 523         Global_got_entry_set.
 524         (Mips_symbol::hash): New method.
 525         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 526         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 527         (Mips_output_data_mips_stubs::symbols_): Change type to
 528         Mips_stubs_entry_set.
 529         (Mips_got_info::record_global_got_symbol): Don't pass object
 530         argument when creating global got symbol.
 531         (Mips_got_info::record_got_entry): Remove find before inserting
 532         got entries.
 533         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 534         to Global_got_entry_set.
 535         (Mips_got_info::count_got_symbols): Likewise.
 536         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 537         for adding entries to symbols_.
 538         (Mips_output_data_la25_stub::do_write): Change type of iterator
 539         to std::vector.
 540         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 541         of iterator to Mips_stubs_entry_set.
 542         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 543         (Mips_output_data_mips_stubs::do_write): Likewise.
 544
 545 2016-05-06  Han Shen  <shenhan@google.com>
 546
 547         PR gold/19987.
 548
 549         * aarch64-reloc.def: New relocation type.
 550         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 551         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 552         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 553         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 554
 555 2016-04-28  Nick Clifton  <nickc@redhat.com>
 556
 557         * po/zh_CN.po: Updated Chinese (simplified) translation.
 558
 559 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 560
 561         * Makefile.in: Regenerated with automake 1.11.6.
 562         * aclocal.m4: Likewise.
 563         * testsuite/Makefile.in: Likewise.
 564
 565 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 566
 567         PR gold/16979
 568         * symtab.cc (Symbol_table::define_default_version): Check for case
 569         where symbols are both in different shared objects.
 570
 571 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 572
 573         PR gold/16111
 574         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 575         R_386_GOTOFF.
 576
 577 2016-03-22  Nick Clifton  <nickc@redhat.com>
 578
 579         * configure: Regenerate.
 580
 581 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 582
 583         PR gold/19842
 584         * errors.cc (Errors::undefined_symbol): Add info message when
 585         symbol should have been provided by a plugin.
 586         * target-reloc.h (issue_undefined_symbol_error): Check for
 587         placeholder symbols defined in discarded sections.
 588         * testsuite/Makefile.am (plugin_test_9b): New test case.
 589         * testsuite/Makefile.in: Regenerate.
 590         * testsuite/plugin_test_9b_elf.cc: New test source file.
 591         * testsuite/plugin_test_9b_ir.cc: New test source file.
 592
 593 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 594
 595         PR gold/19002
 596         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 597         * testsuite/Makefile.am (eh_test_2): New test.
 598         * testsuite/Makefile.in: Regenerate.
 599         * testsuite/eh_test_2.sh: New test script.
 600         * testsuite/eh_test_a.cc (bar): Make it comdat.
 601         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 602
 603 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 604
 605         * mips.cc (Mips_relobj::is_n64_): Remove.
 606         (Target_mips::ei_class_): Likewise.
 607         (Mips_relobj::is_newabi): Call methods.
 608         (Mips_relobj::is_n64): Change checking for N64 ABI.
 609         (Target_mips::is_output_n64): Likewise.
 610         (Target_mips::merge_processor_specific_flags): Remove ei_class
 611         argument, and remove comparing ei_class.
 612         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 613         of the ELF header.
 614         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 615         to merge_processor_specific_flags.
 616         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 617         change checking for N64 ABI.
 618
 619 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 620
 621         * mips.cc (enum Special_relocation_symbol): New enum type.
 622         (is_readonly_section): New function.
 623         (eh_reloc): Likewise.
 624         (Mips_got_entry::is_section_symbol_): New member.
 625         (Mips_got_entry::is_section_symbol): New method.
 626         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 627         argument.
 628         (Mips_relobj::mips_elf_options_section_name): New method.
 629         (Mips_output_data_got::record_local_got_symbol): Add
 630         is_section_symbol argument, and pass it to
 631         Mips_got_info::record_local_got_symbol.
 632         (Mips_output_data_got::got_offset): Add addend argument, and pass
 633         it to Relobj::local_got_offset.
 634         (struct Mips_output_reloc_writer): New type.
 635         (class Mips_output_data_reloc): New class.
 636         (Mips_output_data_plt::Reloc_section): Change type to
 637         Mips_output_data_reloc.
 638         (Target_mips::Reloc_section): Likewise.
 639         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 640         (Mips_classify_reloc::get_r_type2): New method.
 641         (Mips_classify_reloc::get_r_type3): Likewise.
 642         (Mips_classify_reloc::get_r_ssym): Likewise.
 643         (Target_mips::Reloca_section): Remove.
 644         (Relocate::should_apply_static_reloc): Rename from
 645         should_apply_r_mips_32_reloc.
 646         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 647         and r_offset.
 648         (Mips_relocate_functions::Valtype): New type.
 649         (Mips_relocate_functions::Valtype64): New type.
 650         (Mips_relocate_functions::check_overflow): New method.
 651         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 652         interface.
 653         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 654         (Mips_relocate_functions::rel16): Add support for resolving
 655         relocations for Mips64.
 656         (Mips_relocate_functions::rel32): Likewise.
 657         (Mips_relocate_functions::reljalr): Likewise.
 658         (Mips_relocate_functions::relpc32): Likewise.
 659         (Mips_relocate_functions::rel26): Likewise.
 660         (Mips_relocate_functions::relpc16): Likewise.
 661         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 662         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 663         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 664         (Mips_relocate_functions::do_relhi16): Likewise.
 665         (Mips_relocate_functions::do_relgot16_local): Likewise.
 666         (Mips_relocate_functions::rello16): Likewise.
 667         (Mips_relocate_functions::relgot): Likewise.
 668         (Mips_relocate_functions::relgotpage): Likewise.
 669         (Mips_relocate_functions::relgotofst): Likewise.
 670         (Mips_relocate_functions::relgot_hi16): Likewise.
 671         (Mips_relocate_functions::relgot_lo16): Likewise.
 672         (Mips_relocate_functions::relgprel): Likewise.
 673         (Mips_relocate_functions::relgprel32): Likewise.
 674         (Mips_relocate_functions::tlsrelhi16): Likewise.
 675         (Mips_relocate_functions::tlsrello16): Likewise.
 676         (Mips_relocate_functions::tlsrel32): Likewise.
 677         (Mips_relocate_functions::relsub): Likewise.
 678         (Mips_relocate_functions::releh): New method.
 679         (Mips_relocate_functions::rel64): Likewise.
 680         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 681         pass it to Mips_got_entry.
 682         (Mips_got_info::add_local_entries): Pass addend argument
 683         to code functions, and for STT_SECTION symbols call
 684         add_symbolless_local_addend.
 685         (Mips_got_info::add_tls_entries): Pass addend argument to code
 686         functions.
 687         (Mips_relobj::do_read_symbols): Read gp value that was used to
 688         create object.
 689         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 690         instruction. Opcode for instruction will be selected later.
 691         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 692         (Target_mips::scan_relocatable_relocs): Likewise.
 693         (Target_mips::emit_relocs_scan): Likewise.
 694         (Target_mips::relocate_relocs): Likewise.
 695         (Target_mips::do_finalize_sections): Skip objects for merging
 696         processor specific flags in which all input sections will be
 697         discarded.
 698         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 699         (Target_mips::Scan::get_reference_flags): Likewise.
 700         (Target_mips::relocate_special_relocatable): Call rel26 method with
 701         calculate_only and calculated_value arguments.
 702         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 703         dynamic relocation against a readonly sections, and pass
 704         is_section_symbol to Mips_got_info::record_local_got_symbol.
 705         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 706         dynamic relocation against a readonly sections, and pass r_type
 707         and r_offset to Target_mips::copy_reloc.
 708         (Target_mips::Relocate::relocate): Add support for resolving
 709         relocations for Mips64.
 710         (Target_mips::mips_info): Add case for Mips64 default dynamic
 711         linker name.
 712         (Target_selector_mips): Correct emulation names.
 713
 714 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 715
 716         * mips.cc (class Mips_output_data_la25_stub): Add
 717         do_print_to_mapfile function.
 718
 719 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 720
 721         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 722         elf_r_info.
 723
 724 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 725
 726         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 727         * testsuite/plugin_layout_with_alignment.c: This.
 728         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 729         (plugin_layout_with_alignment): Likewise.
 730         * testsuite/Makefile.in: Regenerated.
 731
 732 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 733
 734         PR 19751
 735         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 736         for constructor.
 737         * testsuite/Makefile.in: Regenerate.
 738         * testsuite/dynamic_list.sh: Likewise.
 739         * testsuite/retain_symbols_file_test.sh: Likewise.
 740
 741 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 742
 743         PR 19751
 744         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 745         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 746
 747 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 748             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 749
 750         * output.cc (Output_reloc_writer): New type.
 751         (Output_data_reloc_base::do_write): Move implementation to template
 752         in output.h and replace with invocation of template.
 753         * output.h (Output_file): Move to top of file.
 754         (Output_reloc::get_symbol_index): Move to public interface.
 755         (Output_reloc::get_address): Likewise.
 756         (Output_data_reloc_base::do_write_generic): New function template.
 757
 758 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 759
 760         PR gold/19019
 761         PR gold/19763
 762         * symtab.cc: Instantiate Sized_symbol::init_constant and
 763         Sized_symbol::init_undefined.
 764
 765 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 766
 767         PR gold/19019
 768         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 769         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 770         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 771         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 772         (Target_sparc::do_is_defined_by_abi): Remove test for
 773         STT_SPARC_REGISTER.
 774         (Target_sparc::Register_symbol): New struct type.
 775         (Target_sparc::register_syms_): New data member.
 776         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 777         (Target_sparc::make_symbol): New function.
 778         (Target_sparc::do_finalize_sections): Add register symbols and new
 779         dynamic table entries.
 780         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 781         (Symbol_table::add_target_global_symbol): New function.
 782         (Symbol_table::target_symbols_): New data member.
 783         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 784         (Symbol_table::Symbol_table): Initialize target_symbols_.
 785         (Symbol_table::add_from_object): Pass additional parameters to
 786         Target::make_symbol.
 787         (Symbol_table::define_special_symbol): Likewise.
 788         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 789         undefined symbol value.
 790         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 791         (Symbol_table::sized_finalize): Likewise.
 792         (Symbol_table::sized_write_globals): Likewise.
 793         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 794         st_shndx, and value parameters.
 795
 796 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 797
 798         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 799         LDPK_WEAKUNDEF symbols.
 800
 801 2016-03-03  Than McIntosh  <thanm@google.com>
 802
 803         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 804         and get_input_section_alignment in transfer vector.
 805         (get_input_section_alignment): New function.
 806         (get_input_section_size): New function.
 807         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 808         * testsuite/Makefile.in: [Regenerate.]
 809         * testsuite/plugin_section_alignment.cc: New test file.
 810         * testsuite/plugin_layout_with_alignment.cc: New test file.
 811         * testsuite/plugin_layout_with_alignment.sh: New test file.
 812
 813 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 814
 815         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 816         parameter.
 817         * plugin.cc (get_symbols_v3): New function.
 818         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 819         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 820         new version.
 821
 822 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 823             Cary Coutant  <ccoutant@gmail.com>
 824
 825         PR gold/19735
 826         * ehframe.h (Cie::fde_encoding): New method.
 827         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 828         address ranges.
 829
 830 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 831
 832         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 833         -mrelax-relocations=yes to $(TEST_AS).
 834         (x86_64_mov_to_lea6.o): Likewise.
 835         (x86_64_overflow_pc32.o): Remove duplicated target.
 836         * testsuite/Makefile.in: Regenerated.
 837
 838 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 839
 840         * s390.cc (Target_s390::match_view_u): New helper method.
 841         (Target_s390::do_is_call_to_non_split): New method.
 842         (Target_s390::ss_code_st_r14): New const.
 843         (Target_s390::ss_code_l_r14): New const.
 844         (Target_s390::ss_code_bras_8): New const.
 845         (Target_s390::ss_code_l_basr): New const.
 846         (Target_s390::ss_code_a_basr): New const.
 847         (Target_s390::ss_code_ear): New const.
 848         (Target_s390::ss_code_c): New const.
 849         (Target_s390::ss_code_larl): New const.
 850         (Target_s390::ss_code_brasl): New const.
 851         (Target_s390::ss_code_jg): New const.
 852         (Target_s390::ss_code_jgl): New const.
 853         (Target_s390::ss_match_mcount): New helper method.
 854         (Target_s390::ss_match_l): New helper method.
 855         (Target_s390::ss_match_ahi): New helper method.
 856         (Target_s390::ss_match_alfi): New helper method.
 857         (Target_s390::ss_match_cr): New helper method.
 858         (Target_s390::do_calls_non_split): New method.
 859         * testsuite/Makefile.am: Added new tests.
 860         * testsuite/Makefile.in: Regenerate.
 861         * testsuite/split_s390.sh: New test.
 862         * testsuite/split_s390_1_a1.s: New test.
 863         * testsuite/split_s390_1_a2.s: New test.
 864         * testsuite/split_s390_1_n1.s: New test.
 865         * testsuite/split_s390_1_n2.s: New test.
 866         * testsuite/split_s390_1_z1.s: New test.
 867         * testsuite/split_s390_1_z2.s: New test.
 868         * testsuite/split_s390_1_z3.s: New test.
 869         * testsuite/split_s390_1_z4.s: New test.
 870         * testsuite/split_s390_2_ns.s: New test.
 871         * testsuite/split_s390_2_s.s: New test.
 872         * testsuite/split_s390x_1_a1.s: New test.
 873         * testsuite/split_s390x_1_a2.s: New test.
 874         * testsuite/split_s390x_1_n1.s: New test.
 875         * testsuite/split_s390x_1_n2.s: New test.
 876         * testsuite/split_s390x_1_z1.s: New test.
 877         * testsuite/split_s390x_1_z2.s: New test.
 878         * testsuite/split_s390x_1_z3.s: New test.
 879         * testsuite/split_s390x_1_z4.s: New test.
 880         * testsuite/split_s390x_2_ns.s: New test.
 881         * testsuite/split_s390x_2_s.s: New test.
 882
 883 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 884
 885         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 886         info message for every erratum 843419 found and fixed.
 887
 888 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 889
 890         PR gold/18695
 891         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 892         information to relocation overflow errors.
 893
 894 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 895
 896         PR gold/18695
 897         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 898         overflow checking when symbol value + addend < 0.
 899
 900 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 901
 902         PR gold/19577
 903         * reloc.h (Limits): New class.
 904         (Bits::has_overflow32): Use min/max values from Limits.
 905         (Bits::has_unsigned_overflow32): Likewise.
 906         (Bits::has_signed_unsigned_overflow32): Likewise.
 907         (Bits::has_overflow): Likewise.
 908         (Bits::has_unsigned_overflow): Likewise.
 909         (Bits::has_signed_unsigned_overflow64): Likewise.
 910
 911 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 912
 913         PR gold/19567
 914         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 915         * x86_64.cc (X86_64_relocate_functions): New class.
 916         (Target_x86_64::Relocate::relocate): Use the new class.
 917         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 918         (x32_overflow_pc32): New test case.
 919         * testsuite/Makefile.in: Regenerate.
 920         * testsuite/x32_overflow_pc32.sh: New script.
 921         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 922
 923 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 924
 925         PR gold/19577
 926         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 927         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 928
 929 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 930
 931         PR gold/19577
 932         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 933         comparison.
 934         (Bits::has_unsigned_overflow): Likewise.
 935
 936 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 937
 938         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 939         parameters.
 940         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 941         and view_size to is_call_to_non_split.
 942         * target.cc (Target::is_call_to_non_split): Add view and view_size
 943         parameters.
 944         * target.h (class Target): Likewise.
 945
 946 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 947
 948         * icf.cc (get_rel_addend): New function.
 949         (get_section_contents):  Move merge section addend computation to a
 950         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 951         Fix bug to not read past the length of the section.
 952
 953 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 954             Andrew Senkevich  <andrew.senkevich@intel.com>
 955
 956         PR gold/18695
 957         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 958         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 959         R_X86_64_PLT32.
 960         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 961         * testsuite/x86_64_overflow_pc32.sh: New test script.
 962         * testsuite/x86_64_overflow_pc32.s: New source file.
 963
 964 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 965
 966         PR gold/18695
 967         * reloc.h (Relocate_functions::Address): New typedef.
 968         (Relocate_functions::Addendtype): New typedef.
 969         (Relocate_functions::Overflow_check): New enum type.
 970         (Relocate_functions::Reloc_status): New enum type.
 971         (Relocate_functions::check_overflow): New function template.
 972         (Relocate_functions::rel): Add check parameter; check for overflow.
 973         (Relocate_functions::rel_unaligned): Likewise.
 974         (Relocate_functions::rela): Likewise.
 975         (Relocate_functions::pcrel): Likewise.
 976         (Relocate_functions::pcrel_unaligned): Likewise.
 977         (Relocate_functions::pcrela): Likewise.
 978         (Relocate_functions::rel8): Adjust parameter types.
 979         (Relocate_functions::rela8): Likewise.
 980         (Relocate_functions::pcrel8): Likewise.
 981         (Relocate_functions::pcrela8): Likewise.
 982         (Relocate_functions::rel16): Likewise.
 983         (Relocate_functions::rela168): Likewise.
 984         (Relocate_functions::pcrel16): Likewise.
 985         (Relocate_functions::pcrela16): Likewise.
 986         (Relocate_functions::rel32): Likewise.
 987         (Relocate_functions::rel32_unaligned): Likewise.
 988         (Relocate_functions::rela32): Likewise.
 989         (Relocate_functions::pcrel32): Likewise.
 990         (Relocate_functions::pcrel32_unaligned): Likewise.
 991         (Relocate_functions::pcrela32): Likewise.
 992         (Relocate_functions::rel8_check): New function.
 993         (Relocate_functions::rela8_check): New function.
 994         (Relocate_functions::pcrel8_check): New function.
 995         (Relocate_functions::pcrela8_check): New function.
 996         (Relocate_functions::rel16_check): New function.
 997         (Relocate_functions::rela168_check): New function.
 998         (Relocate_functions::pcrel16_check): New function.
 999         (Relocate_functions::pcrela16_check): New function.
1000         (Relocate_functions::rel32_check): New function.
1001         (Relocate_functions::rel32_unaligned_check): New function.
1002         (Relocate_functions::rela32_check): New function.
1003         (Relocate_functions::pcrel32_check): New function.
1004         (Relocate_functions::pcrel32_unaligned_check): New function.
1005         (Relocate_functions::pcrela32_check): New function.
1006         (Bits::has_unsigned_overflow32): New function.
1007         (Bits::has_unsigned_overflow): New function.
1008         * testsuite/Makefile.am (overflow_unittest): New test.
1009         * testsuite/Makefile.in: Regenerate.
1010         * testsuite/overflow_unittest.cc: New source file.
1011
1012 2016-02-04  Alan Modra  <amodra@gmail.com>
1013
1014         * powerpc.cc (relocate): Adjust last patch for big-endian.
1015
1016 2016-02-02  Alan Modra  <amodra@gmail.com>
1017
1018         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1019
1020 2016-01-15 Han Shen  <shenhan@google.com>
1021
1022         PR gold/19472 - need pc-relative stubs.
1023
1024         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1025         stub type for DSOs and pie executables.
1026
1027 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1028
1029         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1030         'typename'.
1031
1032 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1033
1034         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1035         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1036         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1037         specializations) New method.
1038
1039 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1040
1041         PR gold/19353
1042         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1043         we have a TLS segment for GD-to-IE optimization.
1044         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1045         Adjust all calls.
1046         (Target_i386::tls_desc_gd_to_ie): Likewise.
1047         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1048         for TLSDESC GD-to-IE optimizations.
1049         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1050         Adjust all calls.
1051         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1052         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1053         for TLSDESC GD-to-IE optimizations.
1054
1055 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1056
1057         Refactor gold to enable support for MIPS-64 relocation format.
1058
1059         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1060         (gc_process_relocs): Remove sh_type template parameter.
1061         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1062         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1063         parameter.
1064         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1065         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1066         specializations) Remove.
1067         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1068         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1069         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1070         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1071         Adjust all callers.
1072         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1073         Target::get_r_sym() to get r_sym field from relocations.
1074         (Track_relocs::next_symndx): Call Target::get_r_sym().
1075         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1076         add Classify_reloc template parameter.  Use for accessing r_sym and
1077         r_type.
1078         (relocate_section): Likewise.
1079         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1080         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1081         (Default_scan_relocatable_relocs::Reltype): New typedef.
1082         (Default_scan_relocatable_relocs::reloc_size): New const.
1083         (Default_scan_relocatable_relocs::sh_type): New const.
1084         (Default_scan_relocatable_relocs::get_r_sym): New method.
1085         (Default_scan_relocatable_relocs::get_r_type): New method.
1086         (Default_emit_relocs_strategy): New class.
1087         (scan_relocatable_relocs): Replace sh_type template parameter with
1088         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1089         fields.
1090         (relocate_relocs): Replace sh_type template parameter with
1091         Classify_reloc class.  Use it to access r_sym and r_type fields.
1092         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1093         with pointer to relocation. Adjust all callers.
1094         (Target::do_is_call_to_non_split): Likewise.
1095         (Target::emit_relocs_scan): New virtual method.
1096         (Sized_target::get_r_sym): New virtual method.
1097         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1098         with pointer to relocation.
1099
1100         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1101         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1102         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1103         (Target_aarch64::scan_relocs): Likewise.
1104         (Target_aarch64::relocate_section): Likewise.
1105         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1106         Remove.
1107         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1108         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1109         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1110         template parameter.
1111         (Target_arm::emit_relocs_scan): New method.
1112         (Target_arm::Relocatable_size_for_reloc): Replace with...
1113         (Target_arm::Classify_reloc): ...this.
1114         (Target_arm::gc_process_relocs): Use Classify_reloc.
1115         (Target_arm::scan_relocs): Likewise.
1116         (Target_arm::relocate_section): Likewise.
1117         (Target_arm::scan_relocatable_relocs): Likewise.
1118         (Target_arm::relocate_relocs): Likewise.
1119         * i386.cc (Target_i386::emit_relocs_scan): New method.
1120         (Target_i386::Relocatable_size_for_reloc): Replace with...
1121         (Target_i386::Classify_reloc): ...this.
1122         (Target_i386::gc_process_relocs): Use Classify_reloc.
1123         (Target_i386::scan_relocs): Likewise.
1124         (Target_i386::relocate_section): Likewise.
1125         (Target_i386::scan_relocatable_relocs): Likewise.
1126         (Target_i386::relocate_relocs): Likewise.
1127         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1128         parameter.
1129         (Mips_reloc_types): New class template.
1130         (Mips_classify_reloc): New class template.
1131         (Target_mips::Reltype): New typedef.
1132         (Target_mips::Relatype): New typedef.
1133         (Target_mips::emit_relocs_scan): New method.
1134         (Target_mips::get_r_sym): New method.
1135         (Target_mips::Relocatable_size_for_reloc): Replace with
1136         Mips_classify_reloc.
1137         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1138         (Target_mips::gc_process_relocs): Likewise.
1139         (Target_mips::scan_relocs): Likewise.
1140         (Target_mips::relocate_section): Likewise.
1141         (Target_mips::scan_relocatable_relocs): Likewise.
1142         (Target_mips::relocate_relocs): Likewise.
1143         (mips_get_size_for_reloc): New function, factored out from
1144         Relocatable_size_for_reloc::get_size_for_reloc.
1145         (Target_mips::Scan::local): Use Mips_classify_reloc.
1146         (Target_mips::Scan::global): Likewise.
1147         (Target_mips::Relocate::relocate): Likewise.
1148         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1149         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1150         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1151         (Target_powerpc::scan_relocs): Likewise.
1152         (Target_powerpc::relocate_section): Likewise.
1153         (Powerpc_scan_relocatable_reloc): Convert to class template.
1154         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1155         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1156         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1157         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1158         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1159         (Target_powerpc::scan_relocatable_relocs): Use
1160         Powerpc_scan_relocatable_reloc.
1161         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1162         * s390.cc (Target_s390::emit_relocs_scan): New method.
1163         (Target_s390::Relocatable_size_for_reloc): Remove.
1164         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1165         (Target_s390::scan_relocs): Likewise.
1166         (Target_s390::relocate_section): Likewise.
1167         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1168         Remove.
1169         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1170         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1171         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1172         (Target_sparc::Relocatable_size_for_reloc): Remove.
1173         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1174         (Target_sparc::scan_relocs): Likewise.
1175         (Target_sparc::relocate_section): Likewise.
1176         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1177         Remove.
1178         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1179         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1180         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1181         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1182         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1183         (Target_tilegx::scan_relocs): Likewise.
1184         (Target_tilegx::relocate_section): Likewise.
1185         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1186         Remove.
1187         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1188         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1189         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1190         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1191         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1192         (Target_x86_64::scan_relocs): Likewise.
1193         (Target_x86_64::relocate_section): Likewise.
1194         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1195         Remove.
1196         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1197         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1198
1199         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1200
1201 2016-01-01  Alan Modra  <amodra@gmail.com>
1202
1203         Update year range in copyright notice of all files.
1204
1205 For older changes see ChangeLog-0815
1206 \f
1207 Copyright (C) 2016 Free Software Foundation, Inc.
1208
1209 Copying and distribution of this file, with or without modification,
1210 are permitted in any medium without royalty provided the copyright
1211 notice and this notice are preserved.
1212
1213 Local Variables:
1214 mode: change-log
1215 left-margin: 8
1216 fill-column: 74
1217 version-control: never
1218 End: