gold/ChangeLog

   1 2016-09-26  Alan Modra  <amodra@gmail.com>
   2
   3         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
   4         compiler warning.
   5         * output.cc (Output_segment::set_section_addresses): Likewise.
   6         * testsuite/Makefile.in: Regenerate.
   7
   8 2016-09-02  Doug Kwan  <dougkwan@google.com>
   9
  10         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  11         class definition.  Add code to handle --target1-rel, --target1-abs
  12         and --target2= options.
  13         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  14         and const.
  15         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  16         member declaration.
  17         (Target_arm::Scan::local, Target_arm::Scan::global,
  18         Target_arm::Relocate::relocate,
  19         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  20         call to Target_arm::get_real_reloc_type.
  21         (Target_arm::get_real_reloc_type): Use command line options to
  22         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  23         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  24         options.
  25
  26 2016-08-31  Alan Modra  <amodra@gmail.com>
  27
  28         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  29         and has14_.  Add group_size_.
  30         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  31         debug info when switching to adding sections before stubs.
  32
  33 2016-08-31  Alan Modra  <amodra@gmail.com>
  34
  35         * debug.h (DEBUG_TARGET): New.
  36         (DEBUG_ALL): Add DEBUG_TARGET.
  37         (gold_debug): Delete FORMAT param.
  38         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  39
  40 2016-08-30  Alan Modra  <amodra@gmail.com>
  41
  42         PR 20523
  43         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
  44         (Stub_control::can_add_to_stub_group): Correct grouping of
  45         sections containing 14-bit external branches.  When returning
  46         false, set state_ to reflect the fact that we have one section
  47         for the next group.  Rewrite most of function for clarity.
  48         Add and expand comments.
  49         (Target_powerpc::do_relax): Print stub group size retry in hex.
  50
  51 2016-08-26  Han Shen  <shenhan@google.com>
  52
  53         PR gold/20529 - relaxing loop never ends.
  54
  55         * powerpc.cc (Stub_table::min_size_threshold_): New member to
  56         limit size.
  57         (Stub_table::set_min_size_threshold): New member function.
  58         (Stub_table::set_address_and_size): Add code to only allow size
  59         increase.
  60         (Target_powerpc::do_relax): Add code to record last size.
  61
  62 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  63
  64         * options.h (General_options): Grok -z stack-size.
  65         * output.h (Output_segment::set_size): New method.
  66         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
  67         (Layout::create_stack_segment): ... this.  Always create the
  68         segment if -z stack-size was used.
  69         (Layout::set_segment_offsets): Don't call ->set_offset on the
  70         PT_GNU_STACK segment.
  71
  72 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
  73
  74         * options.h (General_options): Add --be8 option.
  75         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
  76         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
  77         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
  78         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
  79         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
  80
  81 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
  82
  83         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
  84         error message.
  85         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
  86         (pr20308a): Add -Bgcctestdir/ to compile rules.
  87         * testsuite/Makefile.in: Regenerate.
  88
  89 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  90
  91         PR gold/20462
  92         * script-sections.cc (Script_sections::release_segments):
  93         Reset this->segments_created_.
  94
  95 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  96
  97         * yyscript.y (HIDDEN): New %token.
  98         (assignment): Handle HIDDEN(string = expr) syntax.
  99         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 100
 101 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 102
 103         PR gold/20216
 104         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 105         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 106         error message.
 107         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 108         (pr20216_ld.o): Likewise.
 109         * testsuite/Makefile.in: Regenerate.
 110
 111 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 112
 113         PR gold/20443
 114         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 115         which will be present for STT_SPARC_REGISTER.
 116         (Symbol_table::add_from_pluginobj): Likewise.
 117         (Symbol_table::add_from_dynobj): Likewise.
 118         (Symbol_table::add_from_incrobj): Removed dead code.
 119
 120 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 121
 122         PR gold/20442
 123         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 124         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 125
 126 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 127
 128         PR gold/20441
 129         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 130         sparc64.
 131
 132 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 133
 134         PR gold/20310
 135         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 136
 137 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 138
 139         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 140         * testsuite/Makefile.in: Regenerate.
 141
 142 2016-06-30  Alan Modra  <amodra@gmail.com>
 143
 144         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 145         -Wl,-z to gcc, not plain -z.
 146         * testsuite/Makefile.in: Regenerate.
 147
 148 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 149
 150         PR gold/20308
 151         * i386.cc (Target_i386::Relocate::relocate): Allow
 152         R_386_GOT32X relocation against ___tls_get_addr.
 153         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 154         call to __tls_get_addr.
 155         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 156         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 157         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 158         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 159         (pr20308a_test_SOURCES): New.
 160         (pr20308a_test_DEPENDENCIES): Likewise.
 161         (pr20308a_test_CFLAGS): Likewise.
 162         (pr20308a_test_LDFLAGS): Likewise.
 163         (pr20308a_test_LDADD): Likewise.
 164         (pr20308b_test_SOURCES): Likewise.
 165         (pr20308b_test_DEPENDENCIES): Likewise.
 166         (pr20308b_test_CFLAGS): Likewise.
 167         (pr20308b_test_LDFLAGS): Likewise.
 168         (pr20308b_test_LDADD): Likewise.
 169         (pr20308c_test_SOURCES): Likewise.
 170         (pr20308c_test_DEPENDENCIES): Likewise.
 171         (pr20308c_test_CFLAGS): Likewise.
 172         (pr20308c_test_LDFLAGS): Likewise.
 173         (pr20308c_test_LDADD): Likewise.
 174         (pr20308d_test_SOURCES): Likewise.
 175         (pr20308d_test_DEPENDENCIES): Likewise.
 176         (pr20308d_test_CFLAGS): Likewise.
 177         (pr20308d_test_LDFLAGS): Likewise.
 178         (pr20308d_test_LDADD): Likewise.
 179         (pr20308e_test_SOURCES): Likewise.
 180         (pr20308e_test_DEPENDENCIES): Likewise.
 181         (pr20308e_test_CFLAGS): Likewise.
 182         (pr20308e_test_LDFLAGS): Likewise.
 183         (pr20308e_test_LDADD): Likewise.
 184         (pr20308a.so): Likewise.
 185         (pr20308b.so): Likewise.
 186         (pr20308_gd.o): Likewise.
 187         (pr20308_ld.o): Likewise.
 188         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 189         * testsuite/Makefile.in: Regenerated.
 190         * testsuite/pr20308_def.c: New file.
 191         * testsuite/pr20308_gd.S: Likewise.
 192         * testsuite/pr20308_ld.S: Likewise.
 193         * testsuite/pr20308_main.c: Likewise.
 194
 195 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 196
 197         PR gold/20216
 198         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 199         AM_CONDITIONAL.
 200         * configure: Regenerated.
 201         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 202         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 203         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 204         call to __tls_get_addr.
 205         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 206         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 207         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 208         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 209         (pr20216a_test_SOURCES): New.
 210         (pr20216a_test_DEPENDENCIES): Likewise.
 211         (pr20216a_test_CFLAGS): Likewise.
 212         (pr20216a_test_LDFLAGS): Likewise.
 213         (pr20216a_test_LDADD): Likewise.
 214         (pr20216b_test_SOURCES): Likewise.
 215         (pr20216b_test_DEPENDENCIES): Likewise.
 216         (pr20216b_test_CFLAGS): Likewise.
 217         (pr20216b_test_LDFLAGS): Likewise.
 218         (pr20216b_test_LDADD): Likewise.
 219         (pr20216c_test_SOURCES): Likewise.
 220         (pr20216c_test_DEPENDENCIES): Likewise.
 221         (pr20216c_test_CFLAGS): Likewise.
 222         (pr20216c_test_LDFLAGS): Likewise.
 223         (pr20216c_test_LDADD): Likewise.
 224         (pr20216d_test_SOURCES): Likewise.
 225         (pr20216d_test_DEPENDENCIES): Likewise.
 226         (pr20216d_test_CFLAGS): Likewise.
 227         (pr20216d_test_LDFLAGS): Likewise.
 228         (pr20216d_test_LDADD): Likewise.
 229         (pr20216e_test_SOURCES): Likewise.
 230         (pr20216e_test_DEPENDENCIES): Likewise.
 231         (pr20216e_test_CFLAGS): Likewise.
 232         (pr20216e_test_LDFLAGS): Likewise.
 233         (pr20216e_test_LDADD): Likewise.
 234         (pr20216a.so): Likewise.
 235         (pr20216b.so): Likewise.
 236         (pr20216_gd.o): Likewise.
 237         (pr20216_ld.o): Likewise.
 238         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 239         * testsuite/Makefile.in: Regenerated.
 240         * testsuite/pr20216_def.c: New file.
 241         * testsuite/pr20216_gd.S: Likewise.
 242         * testsuite/pr20216_ld.S: Likewise.
 243         * testsuite/pr20216_main.c: Likewise.
 244
 245 2016-06-29  Alan Modra  <amodra@gmail.com>
 246
 247         * script_test_12.t: Delete .plt, specify 64k page size.
 248         * script_test_12i.t: Likewise.
 249
 250 2016-06-29  Alan Modra  <amodra@gmail.com>
 251
 252         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 253         variables.
 254
 255 2016-06-29  Alan Modra  <amodra@gmail.com>
 256
 257         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 258         * testsuite/Makefile.in: Regenerate.
 259
 260 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 261
 262         * aarch64-reloc.def (NONE): New relocation.
 263         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 264         (Target_aarch64::Scan::global): Likewise.
 265         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 266         * testsuite/Makefile.in: Regenerate.
 267         * testsuite/aarch64_reloc_none.s: New test source file.
 268         * testsuite/aarch64_reloc_none.sh: New test script.
 269
 270 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 271
 272         * x86_64.cc (Lazy_view): New class.
 273         (can_convert_mov_to_lea): Templatize function.  Make the function
 274         check for appropriate relocation types and use the view parameter
 275         to get section contents.
 276         (can_convert_callq_to_direct): New function.
 277         (Target_x86_64<size>::Scan::global): Refactor.
 278         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 279         call via GOT that can be converted.
 280         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 281         * testsuite/Makefile.in: Regenerate.
 282         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 283         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 284
 285 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 286
 287         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 288         from the top level to the places of its use.
 289
 290 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 291
 292         PR gold/18098
 293         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 294         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 295         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 296         (Output_section_element_input::print): Likewise.
 297         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 298         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 299         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 300
 301         * testsuite/Makefile.am (script_test_14): New test.
 302         * testsuite/Makefile.in: Regenerate.
 303         * testsuite/script_test_14.s: New test source file.
 304         * testsuite/script_test_14.sh: New test script.
 305         * testsuite/script_test_14.t: New test linker script.
 306
 307 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 308
 309         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 310         to R_SPARC_RELATIVE if class is ELFCLASS64.
 311         (Target_sparc::Scan::global): Likewise.
 312
 313 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 314             Igor Kudrin  <ikudrin@accesssoftek.com>
 315
 316         PR gold/15370
 317         * script-sections.cc
 318         (Output_section_element_input::set_section_addresses): Keep bin_count
 319         separate from input_pattern_count.
 320         * testsuite/script_test_12.t: Add another section .x4.
 321         * testsuite/script_test_12i.t: Likewise.
 322         * testsuite/script_test_12a.c: Likewise.
 323         * testsuite/script_test_12b.c: Likewise.
 324
 325 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 326
 327         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 328
 329 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 330
 331         PR ld/20283
 332         * NEWS: Mention --enable-relro.
 333         * configure.ac: Add --enable-relro.
 334         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 335         to 1.
 336         * config.in: Regenerated.
 337         * configure: Likewise.
 338         * options.h (General_options::relro): Default to
 339         DEFAULT_LD_Z_RELRO.
 340
 341 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 342
 343         * NEWS: Add new features in 1.12.
 344         * version.cc (version_string): Bump to 1.12.
 345
 346 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 347
 348         PR gold/20245
 349         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 350         plt_ is NULL.
 351         (Target_i386::plt_entry_size): Likewise.
 352         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 353         (Target_x86_64<size>::plt_entry_size): Likewise.
 354
 355 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 356
 357         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 358         (Target_mips::rld_map_): New data member.
 359         (Target_mips::do_finalize_sections): Add support for
 360         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 361         .rld_map section, and __RLD_MAP symbol.
 362         (Target_mips::do_dynamic_tag_custom_value): Add support for
 363         DT_MIPS_RLD_MAP_REL dynamic tag.
 364         * output.cc (Output_data_dynamic::get_entry_offset): New method
 365         definition.
 366         * output.h (Output_data_dynamic::get_entry_offset): New method
 367         declaration.
 368
 369 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 370
 371         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 372
 373 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 374
 375         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 376         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 377         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 378         (is_matching_lo16_reloc): Likewise.
 379         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 380         (Mips_output_data_plt::plt_entry_r6): New static data member for
 381         R6 PLT entry.
 382         (Target_mips::is_output_r6): New method.
 383         (Target_mips::Mips_mach): Add new enum constants.
 384         (Mips_relocate_functions::Status): Likewise.
 385         (Mips_relocate_functions::pchi16_relocs): New static data member.
 386         (Mips_relocate_functions::relpc21): New method.
 387         (Mips_relocate_functions::relpc26): Likewise.
 388         (Mips_relocate_functions::relpc18): Likewise.
 389         (Mips_relocate_functions::relpc19): Likewise.
 390         (Mips_relocate_functions::relpchi16): Likewise.
 391         (Mips_relocate_functions::do_relpchi16): Likewise.
 392         (Mips_relocate_functions::relpclo16): Likewise.
 393         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 394         entry.
 395         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 396         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 397         E_MIPS_ARCH_64R6 support.
 398         (Target_mips::update_abiflags_isa): Likewise.
 399         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 400         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 401         R_MIPS_PC19_S2.
 402         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 403         and R_MIPS_PCLO16.
 404         (Target_mips::Scan::global): Add support for relocs:
 405         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 406         (Target_mips::Relocate::relocate): Call functions for resolving
 407         Mips32r6 and Mips64r6 relocations, and print error message for
 408         STATUS_PCREL_UNALIGNED.
 409         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 410         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 411         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 412         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 413         E_MIPS_ARCH_64R6 support.
 414
 415 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 416
 417         PR gold/20246
 418         * testsuite/script_test_2.t: Add .got.plt after .got.
 419
 420 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 421
 422         * mips.cc (struct Mips_abiflags): New struct.
 423         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 424         and abiflags_.
 425         (Mips_relobj::~Mips_relobj): Delete object pointed by
 426         attributes_section_data_.
 427         (Mips_relobj::abiflags): New method.
 428         (Mips_relobj::attributes_section_data): Likewise.
 429         (Mips_relobj::attributes_section_data_): New data member.
 430         (Mips_relobj::abiflags_): Likewise.
 431         (class Mips_output_section_abiflags): New class.
 432         (Target_mips::Target_mips): Initialize attributes_section_data_,
 433         abiflags_ and has_abiflags_section_.
 434         (Target_mips::do_should_include_section): Don't emit input
 435         .MIPS.abiflags sections to output .MIPS.abiflags.
 436         (Target_mips::Mips_mach): Add new enum constants.
 437         (Target_mips::mips_isa_ext_mach): New method.
 438         (Target_mips::mips_isa_ext): Likewise.
 439         (Target_mips::update_abiflags_isa): Likewise.
 440         (Target_mips::infer_abiflags): Likewise.
 441         (Target_mips::create_abiflags): Likewise.
 442         (Target_mips::fp_abi_string): Likewise.
 443         (Target_mips::select_fp_abi): Likewise.
 444         (Target_mips::merge_obj_attributes): Likewise.
 445         (Target_mips::merge_obj_abiflags): Likewise.
 446         (Target_mips::level_rev): Likewise.
 447         (Target_mips::merge_obj_e_flags): Rename from
 448         merge_processor_specific_flags. Remove dyn_obj argument,
 449         call update_abiflags_isa when needed, compare NaN encodings and
 450         compare FP64 state.
 451         (Target_mips::add_machine_extensions): Add two machine extensions
 452         and fix one.
 453         (Target_mips::attributes_section_data_): New data member.
 454         (Target_mips::abiflags_): Likewise.
 455         (Target_mips::has_abiflags_section_): Likewise.
 456         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 457         .MIPS.abiflags sections if they exists.
 458         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 459         E_MIPS_MACH_OCTEON3 support.
 460         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 461         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 462         .MIPS.abiflags sections from input. Create these sections if
 463         needed.
 464         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 465         E_MIPS_MACH_OCTEON3 support, and change strings for
 466         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 467         to match bfd.
 468
 469 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 470
 471         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 472         has_reginfo_section_.
 473         (Mips_relobj::has_reginfo_section_): New data member.
 474         (Mips_relobj::has_reginfo_section): New method.
 475         (class Mips_output_section_reginfo): Change base class to
 476         Output_section_data, and set masks of the output .reginfo section
 477         in constructor.
 478         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 479         Remove.
 480         (Mips_output_section_reginfo::set_masks): Likewise.
 481         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 482         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 483         (Target_mips::do_make_output_section): Remove.
 484         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 485         if the object contains a .reginfo section.
 486         (Target_mips::do_finalize_sections): Create a .reginfo output
 487         section if needed.
 488
 489 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 490
 491         * mips.cc (Mips_output_data_got::do_write): Add missing template
 492         args via typedef.
 493
 494 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 495
 496         PR/19960
 497         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 498         (Target_s390::ss_code_l_r14): Removed.
 499         (Target_s390::ss_code_ear): Removed.
 500         (Target_s390::ss_code_c): Removed.
 501         (Target_s390::ss_match_st_r14): New function.
 502         (Target_s390::ss_match_l_r14): New function.
 503         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 504         of matching code directly.
 505         (Target_s390::ss_match_ear): New function.
 506         (Target_s390::ss_match_c): New function.
 507         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 508         of matching code directly.
 509
 510 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 511
 512         PR gold/19823
 513         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 514         parameter; check for protected symbol.
 515         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 516         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 517         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 518         (Symbol_table::add_from_dynobj): Mark protected symbols.
 519         * symtab.h (Symbol::is_protected): New method.
 520         (Symbol::set_is_protected): New method.
 521         (Symbol::is_protected_): New data member.
 522
 523         * testsuite/Makefile.am (copy_test_protected): New test.
 524         * testsuite/Makefile.in: Regenerate.
 525         * testsuite/copy_test.cc (main): Add legal reference to protected
 526         symbol.
 527         * testsuite/copy_test_v1.cc (main): Likewise.
 528         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 529         * testsuite/copy_test_protected.cc: New test source file.
 530         * testsuite/copy_test_protected.sh: New test script.
 531
 532 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 533
 534         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 535         for global got symbols, and set addend to 0.
 536         (Mips_got_entry::hash): Change hash algorithm.
 537         (Mips_got_entry::equals): Refactor.
 538         (Mips_got_entry::object): Return input object for local got symbols
 539         from union d.
 540         (Mips_got_entry::addend): Change return of the relocation addend.
 541         (Mips_got_entry::addend_): Move from union d.
 542         (Mips_got_entry::object_): Move into union d.
 543         (class Mips_symbol_hash): New class.
 544         (Mips_got_info::Global_got_entry_set): New type.
 545         (Mips_got_info::global_got_symbols): Change return type to
 546         Global_got_entry_set.
 547         (Mips_got_info::global_got_symbols_): Change type to
 548         Global_got_entry_set.
 549         (Mips_symbol::hash): New method.
 550         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 551         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 552         (Mips_output_data_mips_stubs::symbols_): Change type to
 553         Mips_stubs_entry_set.
 554         (Mips_got_info::record_global_got_symbol): Don't pass object
 555         argument when creating global got symbol.
 556         (Mips_got_info::record_got_entry): Remove find before inserting
 557         got entries.
 558         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 559         to Global_got_entry_set.
 560         (Mips_got_info::count_got_symbols): Likewise.
 561         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 562         for adding entries to symbols_.
 563         (Mips_output_data_la25_stub::do_write): Change type of iterator
 564         to std::vector.
 565         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 566         of iterator to Mips_stubs_entry_set.
 567         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 568         (Mips_output_data_mips_stubs::do_write): Likewise.
 569
 570 2016-05-06  Han Shen  <shenhan@google.com>
 571
 572         PR gold/19987.
 573
 574         * aarch64-reloc.def: New relocation type.
 575         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 576         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 577         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 578         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 579
 580 2016-04-28  Nick Clifton  <nickc@redhat.com>
 581
 582         * po/zh_CN.po: Updated Chinese (simplified) translation.
 583
 584 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 585
 586         * Makefile.in: Regenerated with automake 1.11.6.
 587         * aclocal.m4: Likewise.
 588         * testsuite/Makefile.in: Likewise.
 589
 590 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 591
 592         PR gold/16979
 593         * symtab.cc (Symbol_table::define_default_version): Check for case
 594         where symbols are both in different shared objects.
 595
 596 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 597
 598         PR gold/16111
 599         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 600         R_386_GOTOFF.
 601
 602 2016-03-22  Nick Clifton  <nickc@redhat.com>
 603
 604         * configure: Regenerate.
 605
 606 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 607
 608         PR gold/19842
 609         * errors.cc (Errors::undefined_symbol): Add info message when
 610         symbol should have been provided by a plugin.
 611         * target-reloc.h (issue_undefined_symbol_error): Check for
 612         placeholder symbols defined in discarded sections.
 613         * testsuite/Makefile.am (plugin_test_9b): New test case.
 614         * testsuite/Makefile.in: Regenerate.
 615         * testsuite/plugin_test_9b_elf.cc: New test source file.
 616         * testsuite/plugin_test_9b_ir.cc: New test source file.
 617
 618 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 619
 620         PR gold/19002
 621         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 622         * testsuite/Makefile.am (eh_test_2): New test.
 623         * testsuite/Makefile.in: Regenerate.
 624         * testsuite/eh_test_2.sh: New test script.
 625         * testsuite/eh_test_a.cc (bar): Make it comdat.
 626         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 627
 628 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 629
 630         * mips.cc (Mips_relobj::is_n64_): Remove.
 631         (Target_mips::ei_class_): Likewise.
 632         (Mips_relobj::is_newabi): Call methods.
 633         (Mips_relobj::is_n64): Change checking for N64 ABI.
 634         (Target_mips::is_output_n64): Likewise.
 635         (Target_mips::merge_processor_specific_flags): Remove ei_class
 636         argument, and remove comparing ei_class.
 637         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 638         of the ELF header.
 639         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 640         to merge_processor_specific_flags.
 641         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 642         change checking for N64 ABI.
 643
 644 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 645
 646         * mips.cc (enum Special_relocation_symbol): New enum type.
 647         (is_readonly_section): New function.
 648         (eh_reloc): Likewise.
 649         (Mips_got_entry::is_section_symbol_): New member.
 650         (Mips_got_entry::is_section_symbol): New method.
 651         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 652         argument.
 653         (Mips_relobj::mips_elf_options_section_name): New method.
 654         (Mips_output_data_got::record_local_got_symbol): Add
 655         is_section_symbol argument, and pass it to
 656         Mips_got_info::record_local_got_symbol.
 657         (Mips_output_data_got::got_offset): Add addend argument, and pass
 658         it to Relobj::local_got_offset.
 659         (struct Mips_output_reloc_writer): New type.
 660         (class Mips_output_data_reloc): New class.
 661         (Mips_output_data_plt::Reloc_section): Change type to
 662         Mips_output_data_reloc.
 663         (Target_mips::Reloc_section): Likewise.
 664         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 665         (Mips_classify_reloc::get_r_type2): New method.
 666         (Mips_classify_reloc::get_r_type3): Likewise.
 667         (Mips_classify_reloc::get_r_ssym): Likewise.
 668         (Target_mips::Reloca_section): Remove.
 669         (Relocate::should_apply_static_reloc): Rename from
 670         should_apply_r_mips_32_reloc.
 671         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 672         and r_offset.
 673         (Mips_relocate_functions::Valtype): New type.
 674         (Mips_relocate_functions::Valtype64): New type.
 675         (Mips_relocate_functions::check_overflow): New method.
 676         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 677         interface.
 678         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 679         (Mips_relocate_functions::rel16): Add support for resolving
 680         relocations for Mips64.
 681         (Mips_relocate_functions::rel32): Likewise.
 682         (Mips_relocate_functions::reljalr): Likewise.
 683         (Mips_relocate_functions::relpc32): Likewise.
 684         (Mips_relocate_functions::rel26): Likewise.
 685         (Mips_relocate_functions::relpc16): Likewise.
 686         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 687         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 688         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 689         (Mips_relocate_functions::do_relhi16): Likewise.
 690         (Mips_relocate_functions::do_relgot16_local): Likewise.
 691         (Mips_relocate_functions::rello16): Likewise.
 692         (Mips_relocate_functions::relgot): Likewise.
 693         (Mips_relocate_functions::relgotpage): Likewise.
 694         (Mips_relocate_functions::relgotofst): Likewise.
 695         (Mips_relocate_functions::relgot_hi16): Likewise.
 696         (Mips_relocate_functions::relgot_lo16): Likewise.
 697         (Mips_relocate_functions::relgprel): Likewise.
 698         (Mips_relocate_functions::relgprel32): Likewise.
 699         (Mips_relocate_functions::tlsrelhi16): Likewise.
 700         (Mips_relocate_functions::tlsrello16): Likewise.
 701         (Mips_relocate_functions::tlsrel32): Likewise.
 702         (Mips_relocate_functions::relsub): Likewise.
 703         (Mips_relocate_functions::releh): New method.
 704         (Mips_relocate_functions::rel64): Likewise.
 705         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 706         pass it to Mips_got_entry.
 707         (Mips_got_info::add_local_entries): Pass addend argument
 708         to code functions, and for STT_SECTION symbols call
 709         add_symbolless_local_addend.
 710         (Mips_got_info::add_tls_entries): Pass addend argument to code
 711         functions.
 712         (Mips_relobj::do_read_symbols): Read gp value that was used to
 713         create object.
 714         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 715         instruction. Opcode for instruction will be selected later.
 716         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 717         (Target_mips::scan_relocatable_relocs): Likewise.
 718         (Target_mips::emit_relocs_scan): Likewise.
 719         (Target_mips::relocate_relocs): Likewise.
 720         (Target_mips::do_finalize_sections): Skip objects for merging
 721         processor specific flags in which all input sections will be
 722         discarded.
 723         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 724         (Target_mips::Scan::get_reference_flags): Likewise.
 725         (Target_mips::relocate_special_relocatable): Call rel26 method with
 726         calculate_only and calculated_value arguments.
 727         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 728         dynamic relocation against a readonly sections, and pass
 729         is_section_symbol to Mips_got_info::record_local_got_symbol.
 730         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 731         dynamic relocation against a readonly sections, and pass r_type
 732         and r_offset to Target_mips::copy_reloc.
 733         (Target_mips::Relocate::relocate): Add support for resolving
 734         relocations for Mips64.
 735         (Target_mips::mips_info): Add case for Mips64 default dynamic
 736         linker name.
 737         (Target_selector_mips): Correct emulation names.
 738
 739 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 740
 741         * mips.cc (class Mips_output_data_la25_stub): Add
 742         do_print_to_mapfile function.
 743
 744 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 745
 746         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 747         elf_r_info.
 748
 749 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 750
 751         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 752         * testsuite/plugin_layout_with_alignment.c: This.
 753         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 754         (plugin_layout_with_alignment): Likewise.
 755         * testsuite/Makefile.in: Regenerated.
 756
 757 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 758
 759         PR 19751
 760         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 761         for constructor.
 762         * testsuite/Makefile.in: Regenerate.
 763         * testsuite/dynamic_list.sh: Likewise.
 764         * testsuite/retain_symbols_file_test.sh: Likewise.
 765
 766 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 767
 768         PR 19751
 769         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 770         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 771
 772 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 773             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 774
 775         * output.cc (Output_reloc_writer): New type.
 776         (Output_data_reloc_base::do_write): Move implementation to template
 777         in output.h and replace with invocation of template.
 778         * output.h (Output_file): Move to top of file.
 779         (Output_reloc::get_symbol_index): Move to public interface.
 780         (Output_reloc::get_address): Likewise.
 781         (Output_data_reloc_base::do_write_generic): New function template.
 782
 783 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 784
 785         PR gold/19019
 786         PR gold/19763
 787         * symtab.cc: Instantiate Sized_symbol::init_constant and
 788         Sized_symbol::init_undefined.
 789
 790 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 791
 792         PR gold/19019
 793         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 794         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 795         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 796         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 797         (Target_sparc::do_is_defined_by_abi): Remove test for
 798         STT_SPARC_REGISTER.
 799         (Target_sparc::Register_symbol): New struct type.
 800         (Target_sparc::register_syms_): New data member.
 801         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 802         (Target_sparc::make_symbol): New function.
 803         (Target_sparc::do_finalize_sections): Add register symbols and new
 804         dynamic table entries.
 805         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 806         (Symbol_table::add_target_global_symbol): New function.
 807         (Symbol_table::target_symbols_): New data member.
 808         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 809         (Symbol_table::Symbol_table): Initialize target_symbols_.
 810         (Symbol_table::add_from_object): Pass additional parameters to
 811         Target::make_symbol.
 812         (Symbol_table::define_special_symbol): Likewise.
 813         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 814         undefined symbol value.
 815         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 816         (Symbol_table::sized_finalize): Likewise.
 817         (Symbol_table::sized_write_globals): Likewise.
 818         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 819         st_shndx, and value parameters.
 820
 821 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 822
 823         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 824         LDPK_WEAKUNDEF symbols.
 825
 826 2016-03-03  Than McIntosh  <thanm@google.com>
 827
 828         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 829         and get_input_section_alignment in transfer vector.
 830         (get_input_section_alignment): New function.
 831         (get_input_section_size): New function.
 832         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 833         * testsuite/Makefile.in: [Regenerate.]
 834         * testsuite/plugin_section_alignment.cc: New test file.
 835         * testsuite/plugin_layout_with_alignment.cc: New test file.
 836         * testsuite/plugin_layout_with_alignment.sh: New test file.
 837
 838 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 839
 840         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 841         parameter.
 842         * plugin.cc (get_symbols_v3): New function.
 843         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 844         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 845         new version.
 846
 847 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 848             Cary Coutant  <ccoutant@gmail.com>
 849
 850         PR gold/19735
 851         * ehframe.h (Cie::fde_encoding): New method.
 852         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 853         address ranges.
 854
 855 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 856
 857         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 858         -mrelax-relocations=yes to $(TEST_AS).
 859         (x86_64_mov_to_lea6.o): Likewise.
 860         (x86_64_overflow_pc32.o): Remove duplicated target.
 861         * testsuite/Makefile.in: Regenerated.
 862
 863 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 864
 865         * s390.cc (Target_s390::match_view_u): New helper method.
 866         (Target_s390::do_is_call_to_non_split): New method.
 867         (Target_s390::ss_code_st_r14): New const.
 868         (Target_s390::ss_code_l_r14): New const.
 869         (Target_s390::ss_code_bras_8): New const.
 870         (Target_s390::ss_code_l_basr): New const.
 871         (Target_s390::ss_code_a_basr): New const.
 872         (Target_s390::ss_code_ear): New const.
 873         (Target_s390::ss_code_c): New const.
 874         (Target_s390::ss_code_larl): New const.
 875         (Target_s390::ss_code_brasl): New const.
 876         (Target_s390::ss_code_jg): New const.
 877         (Target_s390::ss_code_jgl): New const.
 878         (Target_s390::ss_match_mcount): New helper method.
 879         (Target_s390::ss_match_l): New helper method.
 880         (Target_s390::ss_match_ahi): New helper method.
 881         (Target_s390::ss_match_alfi): New helper method.
 882         (Target_s390::ss_match_cr): New helper method.
 883         (Target_s390::do_calls_non_split): New method.
 884         * testsuite/Makefile.am: Added new tests.
 885         * testsuite/Makefile.in: Regenerate.
 886         * testsuite/split_s390.sh: New test.
 887         * testsuite/split_s390_1_a1.s: New test.
 888         * testsuite/split_s390_1_a2.s: New test.
 889         * testsuite/split_s390_1_n1.s: New test.
 890         * testsuite/split_s390_1_n2.s: New test.
 891         * testsuite/split_s390_1_z1.s: New test.
 892         * testsuite/split_s390_1_z2.s: New test.
 893         * testsuite/split_s390_1_z3.s: New test.
 894         * testsuite/split_s390_1_z4.s: New test.
 895         * testsuite/split_s390_2_ns.s: New test.
 896         * testsuite/split_s390_2_s.s: New test.
 897         * testsuite/split_s390x_1_a1.s: New test.
 898         * testsuite/split_s390x_1_a2.s: New test.
 899         * testsuite/split_s390x_1_n1.s: New test.
 900         * testsuite/split_s390x_1_n2.s: New test.
 901         * testsuite/split_s390x_1_z1.s: New test.
 902         * testsuite/split_s390x_1_z2.s: New test.
 903         * testsuite/split_s390x_1_z3.s: New test.
 904         * testsuite/split_s390x_1_z4.s: New test.
 905         * testsuite/split_s390x_2_ns.s: New test.
 906         * testsuite/split_s390x_2_s.s: New test.
 907
 908 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 909
 910         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 911         info message for every erratum 843419 found and fixed.
 912
 913 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 914
 915         PR gold/18695
 916         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 917         information to relocation overflow errors.
 918
 919 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 920
 921         PR gold/18695
 922         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 923         overflow checking when symbol value + addend < 0.
 924
 925 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 926
 927         PR gold/19577
 928         * reloc.h (Limits): New class.
 929         (Bits::has_overflow32): Use min/max values from Limits.
 930         (Bits::has_unsigned_overflow32): Likewise.
 931         (Bits::has_signed_unsigned_overflow32): Likewise.
 932         (Bits::has_overflow): Likewise.
 933         (Bits::has_unsigned_overflow): Likewise.
 934         (Bits::has_signed_unsigned_overflow64): Likewise.
 935
 936 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 937
 938         PR gold/19567
 939         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 940         * x86_64.cc (X86_64_relocate_functions): New class.
 941         (Target_x86_64::Relocate::relocate): Use the new class.
 942         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 943         (x32_overflow_pc32): New test case.
 944         * testsuite/Makefile.in: Regenerate.
 945         * testsuite/x32_overflow_pc32.sh: New script.
 946         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 947
 948 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 949
 950         PR gold/19577
 951         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 952         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 953
 954 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 955
 956         PR gold/19577
 957         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 958         comparison.
 959         (Bits::has_unsigned_overflow): Likewise.
 960
 961 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 962
 963         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 964         parameters.
 965         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 966         and view_size to is_call_to_non_split.
 967         * target.cc (Target::is_call_to_non_split): Add view and view_size
 968         parameters.
 969         * target.h (class Target): Likewise.
 970
 971 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 972
 973         * icf.cc (get_rel_addend): New function.
 974         (get_section_contents):  Move merge section addend computation to a
 975         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 976         Fix bug to not read past the length of the section.
 977
 978 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 979             Andrew Senkevich  <andrew.senkevich@intel.com>
 980
 981         PR gold/18695
 982         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 983         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 984         R_X86_64_PLT32.
 985         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 986         * testsuite/x86_64_overflow_pc32.sh: New test script.
 987         * testsuite/x86_64_overflow_pc32.s: New source file.
 988
 989 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 990
 991         PR gold/18695
 992         * reloc.h (Relocate_functions::Address): New typedef.
 993         (Relocate_functions::Addendtype): New typedef.
 994         (Relocate_functions::Overflow_check): New enum type.
 995         (Relocate_functions::Reloc_status): New enum type.
 996         (Relocate_functions::check_overflow): New function template.
 997         (Relocate_functions::rel): Add check parameter; check for overflow.
 998         (Relocate_functions::rel_unaligned): Likewise.
 999         (Relocate_functions::rela): Likewise.
1000         (Relocate_functions::pcrel): Likewise.
1001         (Relocate_functions::pcrel_unaligned): Likewise.
1002         (Relocate_functions::pcrela): Likewise.
1003         (Relocate_functions::rel8): Adjust parameter types.
1004         (Relocate_functions::rela8): Likewise.
1005         (Relocate_functions::pcrel8): Likewise.
1006         (Relocate_functions::pcrela8): Likewise.
1007         (Relocate_functions::rel16): Likewise.
1008         (Relocate_functions::rela168): Likewise.
1009         (Relocate_functions::pcrel16): Likewise.
1010         (Relocate_functions::pcrela16): Likewise.
1011         (Relocate_functions::rel32): Likewise.
1012         (Relocate_functions::rel32_unaligned): Likewise.
1013         (Relocate_functions::rela32): Likewise.
1014         (Relocate_functions::pcrel32): Likewise.
1015         (Relocate_functions::pcrel32_unaligned): Likewise.
1016         (Relocate_functions::pcrela32): Likewise.
1017         (Relocate_functions::rel8_check): New function.
1018         (Relocate_functions::rela8_check): New function.
1019         (Relocate_functions::pcrel8_check): New function.
1020         (Relocate_functions::pcrela8_check): New function.
1021         (Relocate_functions::rel16_check): New function.
1022         (Relocate_functions::rela168_check): New function.
1023         (Relocate_functions::pcrel16_check): New function.
1024         (Relocate_functions::pcrela16_check): New function.
1025         (Relocate_functions::rel32_check): New function.
1026         (Relocate_functions::rel32_unaligned_check): New function.
1027         (Relocate_functions::rela32_check): New function.
1028         (Relocate_functions::pcrel32_check): New function.
1029         (Relocate_functions::pcrel32_unaligned_check): New function.
1030         (Relocate_functions::pcrela32_check): New function.
1031         (Bits::has_unsigned_overflow32): New function.
1032         (Bits::has_unsigned_overflow): New function.
1033         * testsuite/Makefile.am (overflow_unittest): New test.
1034         * testsuite/Makefile.in: Regenerate.
1035         * testsuite/overflow_unittest.cc: New source file.
1036
1037 2016-02-04  Alan Modra  <amodra@gmail.com>
1038
1039         * powerpc.cc (relocate): Adjust last patch for big-endian.
1040
1041 2016-02-02  Alan Modra  <amodra@gmail.com>
1042
1043         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1044
1045 2016-01-15 Han Shen  <shenhan@google.com>
1046
1047         PR gold/19472 - need pc-relative stubs.
1048
1049         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1050         stub type for DSOs and pie executables.
1051
1052 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1053
1054         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1055         'typename'.
1056
1057 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1058
1059         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1060         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1061         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1062         specializations) New method.
1063
1064 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1065
1066         PR gold/19353
1067         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1068         we have a TLS segment for GD-to-IE optimization.
1069         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1070         Adjust all calls.
1071         (Target_i386::tls_desc_gd_to_ie): Likewise.
1072         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1073         for TLSDESC GD-to-IE optimizations.
1074         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1075         Adjust all calls.
1076         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1077         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1078         for TLSDESC GD-to-IE optimizations.
1079
1080 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1081
1082         Refactor gold to enable support for MIPS-64 relocation format.
1083
1084         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1085         (gc_process_relocs): Remove sh_type template parameter.
1086         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1087         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1088         parameter.
1089         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1090         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1091         specializations) Remove.
1092         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1093         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1094         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1095         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1096         Adjust all callers.
1097         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1098         Target::get_r_sym() to get r_sym field from relocations.
1099         (Track_relocs::next_symndx): Call Target::get_r_sym().
1100         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1101         add Classify_reloc template parameter.  Use for accessing r_sym and
1102         r_type.
1103         (relocate_section): Likewise.
1104         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1105         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1106         (Default_scan_relocatable_relocs::Reltype): New typedef.
1107         (Default_scan_relocatable_relocs::reloc_size): New const.
1108         (Default_scan_relocatable_relocs::sh_type): New const.
1109         (Default_scan_relocatable_relocs::get_r_sym): New method.
1110         (Default_scan_relocatable_relocs::get_r_type): New method.
1111         (Default_emit_relocs_strategy): New class.
1112         (scan_relocatable_relocs): Replace sh_type template parameter with
1113         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1114         fields.
1115         (relocate_relocs): Replace sh_type template parameter with
1116         Classify_reloc class.  Use it to access r_sym and r_type fields.
1117         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1118         with pointer to relocation. Adjust all callers.
1119         (Target::do_is_call_to_non_split): Likewise.
1120         (Target::emit_relocs_scan): New virtual method.
1121         (Sized_target::get_r_sym): New virtual method.
1122         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1123         with pointer to relocation.
1124
1125         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1126         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1127         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1128         (Target_aarch64::scan_relocs): Likewise.
1129         (Target_aarch64::relocate_section): Likewise.
1130         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1131         Remove.
1132         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1133         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1134         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1135         template parameter.
1136         (Target_arm::emit_relocs_scan): New method.
1137         (Target_arm::Relocatable_size_for_reloc): Replace with...
1138         (Target_arm::Classify_reloc): ...this.
1139         (Target_arm::gc_process_relocs): Use Classify_reloc.
1140         (Target_arm::scan_relocs): Likewise.
1141         (Target_arm::relocate_section): Likewise.
1142         (Target_arm::scan_relocatable_relocs): Likewise.
1143         (Target_arm::relocate_relocs): Likewise.
1144         * i386.cc (Target_i386::emit_relocs_scan): New method.
1145         (Target_i386::Relocatable_size_for_reloc): Replace with...
1146         (Target_i386::Classify_reloc): ...this.
1147         (Target_i386::gc_process_relocs): Use Classify_reloc.
1148         (Target_i386::scan_relocs): Likewise.
1149         (Target_i386::relocate_section): Likewise.
1150         (Target_i386::scan_relocatable_relocs): Likewise.
1151         (Target_i386::relocate_relocs): Likewise.
1152         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1153         parameter.
1154         (Mips_reloc_types): New class template.
1155         (Mips_classify_reloc): New class template.
1156         (Target_mips::Reltype): New typedef.
1157         (Target_mips::Relatype): New typedef.
1158         (Target_mips::emit_relocs_scan): New method.
1159         (Target_mips::get_r_sym): New method.
1160         (Target_mips::Relocatable_size_for_reloc): Replace with
1161         Mips_classify_reloc.
1162         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1163         (Target_mips::gc_process_relocs): Likewise.
1164         (Target_mips::scan_relocs): Likewise.
1165         (Target_mips::relocate_section): Likewise.
1166         (Target_mips::scan_relocatable_relocs): Likewise.
1167         (Target_mips::relocate_relocs): Likewise.
1168         (mips_get_size_for_reloc): New function, factored out from
1169         Relocatable_size_for_reloc::get_size_for_reloc.
1170         (Target_mips::Scan::local): Use Mips_classify_reloc.
1171         (Target_mips::Scan::global): Likewise.
1172         (Target_mips::Relocate::relocate): Likewise.
1173         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1174         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1175         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1176         (Target_powerpc::scan_relocs): Likewise.
1177         (Target_powerpc::relocate_section): Likewise.
1178         (Powerpc_scan_relocatable_reloc): Convert to class template.
1179         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1180         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1181         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1182         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1183         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1184         (Target_powerpc::scan_relocatable_relocs): Use
1185         Powerpc_scan_relocatable_reloc.
1186         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1187         * s390.cc (Target_s390::emit_relocs_scan): New method.
1188         (Target_s390::Relocatable_size_for_reloc): Remove.
1189         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1190         (Target_s390::scan_relocs): Likewise.
1191         (Target_s390::relocate_section): Likewise.
1192         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1193         Remove.
1194         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1195         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1196         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1197         (Target_sparc::Relocatable_size_for_reloc): Remove.
1198         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1199         (Target_sparc::scan_relocs): Likewise.
1200         (Target_sparc::relocate_section): Likewise.
1201         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1202         Remove.
1203         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1204         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1205         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1206         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1207         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1208         (Target_tilegx::scan_relocs): Likewise.
1209         (Target_tilegx::relocate_section): Likewise.
1210         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1211         Remove.
1212         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1213         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1214         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1215         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1216         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1217         (Target_x86_64::scan_relocs): Likewise.
1218         (Target_x86_64::relocate_section): Likewise.
1219         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1220         Remove.
1221         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1222         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1223
1224         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1225
1226 2016-01-01  Alan Modra  <amodra@gmail.com>
1227
1228         Update year range in copyright notice of all files.
1229
1230 For older changes see ChangeLog-0815
1231 \f
1232 Copyright (C) 2016 Free Software Foundation, Inc.
1233
1234 Copying and distribution of this file, with or without modification,
1235 are permitted in any medium without royalty provided the copyright
1236 notice and this notice are preserved.
1237
1238 Local Variables:
1239 mode: change-log
1240 left-margin: 8
1241 fill-column: 74
1242 version-control: never
1243 End: