gold/ChangeLog

   1 2016-11-21  Igor Kudrin  <ikudrin@accesssoftek.com>
   2
   3         * layout.cc: Include windows.h and rpcdce.h (for MinGW32).
   4         (Layout::create_build_id): Generate uuid using UuidCreate().
   5
   6 2016-11-04  Loïc Yhuel <loic.yhuel@softathome.com>
   7
   8         * configure.ac: add missing '$'.
   9         * configure: Regenerate.
  10
  11 2016-10-21  Gergely Nagy  <ngg@tresorit.com>
  12
  13         PR gold/17704
  14         * icf.cc (match_sections): Add new parameter section_addraligns.
  15         Check section alignment and keep the section with the strictest
  16         alignment.
  17         (find_identical_sections): New local variable section_addraligns.
  18         Store each section's alignment.
  19         * testsuite/pr17704a_test.s: New file.
  20         * testsuite/Makefile.am (pr17704a_test): New test.
  21         * testsuite/Makefile.in: Regenerate.
  22
  23 2016-10-06  Alan Modra  <amodra@gmail.com>
  24
  25         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
  26         through comment.
  27         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  28
  29 2016-10-06  Alan Modra  <amodra@gmail.com>
  30
  31         * aarch64.cc: Spell fall through comments as "// Fall through.".
  32         * arm.cc: Likewise.
  33         * mips.cc: Likewise.
  34         * powerpc.cc: Likewise.
  35         * s390.cc: Likewise.
  36         * sparc.cc: Likewise.
  37         * x86_64.cc: Likewise.
  38         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  39         fall through comments.
  40         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  41         (Target_sparc::Relocate::relocate): Likewise.
  42         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  43         * resolve.cc (symbol_to_bits): Add missing break.
  44
  45 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  46
  47         PR gold/20238
  48         * symtab.cc (Symbol_table::define_default_version): Check that
  49         unversioned symbol is defined.
  50
  51 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
  52
  53         * Makefile.in: Regenerate.
  54         * configure: Likewise.
  55         * testsuite/Makefile.in: Likewise.
  56
  57 2016-09-26  Alan Modra  <amodra@gmail.com>
  58
  59         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
  60         compiler warning.
  61         * output.cc (Output_segment::set_section_addresses): Likewise.
  62         * testsuite/Makefile.in: Regenerate.
  63
  64 2016-09-02  Doug Kwan  <dougkwan@google.com>
  65
  66         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  67         class definition.  Add code to handle --target1-rel, --target1-abs
  68         and --target2= options.
  69         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  70         and const.
  71         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  72         member declaration.
  73         (Target_arm::Scan::local, Target_arm::Scan::global,
  74         Target_arm::Relocate::relocate,
  75         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  76         call to Target_arm::get_real_reloc_type.
  77         (Target_arm::get_real_reloc_type): Use command line options to
  78         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  79         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  80         options.
  81
  82 2016-08-31  Alan Modra  <amodra@gmail.com>
  83
  84         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  85         and has14_.  Add group_size_.
  86         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  87         debug info when switching to adding sections before stubs.
  88
  89 2016-08-31  Alan Modra  <amodra@gmail.com>
  90
  91         * debug.h (DEBUG_TARGET): New.
  92         (DEBUG_ALL): Add DEBUG_TARGET.
  93         (gold_debug): Delete FORMAT param.
  94         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  95
  96 2016-08-30  Alan Modra  <amodra@gmail.com>
  97
  98         PR 20523
  99         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
 100         (Stub_control::can_add_to_stub_group): Correct grouping of
 101         sections containing 14-bit external branches.  When returning
 102         false, set state_ to reflect the fact that we have one section
 103         for the next group.  Rewrite most of function for clarity.
 104         Add and expand comments.
 105         (Target_powerpc::do_relax): Print stub group size retry in hex.
 106
 107 2016-08-26  Han Shen  <shenhan@google.com>
 108
 109         PR gold/20529 - relaxing loop never ends.
 110
 111         * powerpc.cc (Stub_table::min_size_threshold_): New member to
 112         limit size.
 113         (Stub_table::set_min_size_threshold): New member function.
 114         (Stub_table::set_address_and_size): Add code to only allow size
 115         increase.
 116         (Target_powerpc::do_relax): Add code to record last size.
 117
 118 2016-08-23  Roland McGrath  <roland@hack.frob.com>
 119
 120         * options.h (General_options): Grok -z stack-size.
 121         * output.h (Output_segment::set_size): New method.
 122         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 123         (Layout::create_stack_segment): ... this.  Always create the
 124         segment if -z stack-size was used.
 125         (Layout::set_segment_offsets): Don't call ->set_offset on the
 126         PT_GNU_STACK segment.
 127
 128 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 129
 130         * options.h (General_options): Add --be8 option.
 131         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 132         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 133         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 134         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 135         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 136
 137 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 138
 139         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 140         error message.
 141         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 142         (pr20308a): Add -Bgcctestdir/ to compile rules.
 143         * testsuite/Makefile.in: Regenerate.
 144
 145 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 146
 147         PR gold/20462
 148         * script-sections.cc (Script_sections::release_segments):
 149         Reset this->segments_created_.
 150
 151 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 152
 153         * yyscript.y (HIDDEN): New %token.
 154         (assignment): Handle HIDDEN(string = expr) syntax.
 155         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 156
 157 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 158
 159         PR gold/20216
 160         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 161         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 162         error message.
 163         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 164         (pr20216_ld.o): Likewise.
 165         * testsuite/Makefile.in: Regenerate.
 166
 167 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 168
 169         PR gold/20443
 170         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 171         which will be present for STT_SPARC_REGISTER.
 172         (Symbol_table::add_from_pluginobj): Likewise.
 173         (Symbol_table::add_from_dynobj): Likewise.
 174         (Symbol_table::add_from_incrobj): Removed dead code.
 175
 176 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 177
 178         PR gold/20442
 179         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 180         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 181
 182 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 183
 184         PR gold/20441
 185         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 186         sparc64.
 187
 188 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 189
 190         PR gold/20310
 191         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 192
 193 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 194
 195         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 196         * testsuite/Makefile.in: Regenerate.
 197
 198 2016-06-30  Alan Modra  <amodra@gmail.com>
 199
 200         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 201         -Wl,-z to gcc, not plain -z.
 202         * testsuite/Makefile.in: Regenerate.
 203
 204 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 205
 206         PR gold/20308
 207         * i386.cc (Target_i386::Relocate::relocate): Allow
 208         R_386_GOT32X relocation against ___tls_get_addr.
 209         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 210         call to __tls_get_addr.
 211         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 212         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 213         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 214         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 215         (pr20308a_test_SOURCES): New.
 216         (pr20308a_test_DEPENDENCIES): Likewise.
 217         (pr20308a_test_CFLAGS): Likewise.
 218         (pr20308a_test_LDFLAGS): Likewise.
 219         (pr20308a_test_LDADD): Likewise.
 220         (pr20308b_test_SOURCES): Likewise.
 221         (pr20308b_test_DEPENDENCIES): Likewise.
 222         (pr20308b_test_CFLAGS): Likewise.
 223         (pr20308b_test_LDFLAGS): Likewise.
 224         (pr20308b_test_LDADD): Likewise.
 225         (pr20308c_test_SOURCES): Likewise.
 226         (pr20308c_test_DEPENDENCIES): Likewise.
 227         (pr20308c_test_CFLAGS): Likewise.
 228         (pr20308c_test_LDFLAGS): Likewise.
 229         (pr20308c_test_LDADD): Likewise.
 230         (pr20308d_test_SOURCES): Likewise.
 231         (pr20308d_test_DEPENDENCIES): Likewise.
 232         (pr20308d_test_CFLAGS): Likewise.
 233         (pr20308d_test_LDFLAGS): Likewise.
 234         (pr20308d_test_LDADD): Likewise.
 235         (pr20308e_test_SOURCES): Likewise.
 236         (pr20308e_test_DEPENDENCIES): Likewise.
 237         (pr20308e_test_CFLAGS): Likewise.
 238         (pr20308e_test_LDFLAGS): Likewise.
 239         (pr20308e_test_LDADD): Likewise.
 240         (pr20308a.so): Likewise.
 241         (pr20308b.so): Likewise.
 242         (pr20308_gd.o): Likewise.
 243         (pr20308_ld.o): Likewise.
 244         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 245         * testsuite/Makefile.in: Regenerated.
 246         * testsuite/pr20308_def.c: New file.
 247         * testsuite/pr20308_gd.S: Likewise.
 248         * testsuite/pr20308_ld.S: Likewise.
 249         * testsuite/pr20308_main.c: Likewise.
 250
 251 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 252
 253         PR gold/20216
 254         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 255         AM_CONDITIONAL.
 256         * configure: Regenerated.
 257         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 258         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 259         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 260         call to __tls_get_addr.
 261         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 262         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 263         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 264         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 265         (pr20216a_test_SOURCES): New.
 266         (pr20216a_test_DEPENDENCIES): Likewise.
 267         (pr20216a_test_CFLAGS): Likewise.
 268         (pr20216a_test_LDFLAGS): Likewise.
 269         (pr20216a_test_LDADD): Likewise.
 270         (pr20216b_test_SOURCES): Likewise.
 271         (pr20216b_test_DEPENDENCIES): Likewise.
 272         (pr20216b_test_CFLAGS): Likewise.
 273         (pr20216b_test_LDFLAGS): Likewise.
 274         (pr20216b_test_LDADD): Likewise.
 275         (pr20216c_test_SOURCES): Likewise.
 276         (pr20216c_test_DEPENDENCIES): Likewise.
 277         (pr20216c_test_CFLAGS): Likewise.
 278         (pr20216c_test_LDFLAGS): Likewise.
 279         (pr20216c_test_LDADD): Likewise.
 280         (pr20216d_test_SOURCES): Likewise.
 281         (pr20216d_test_DEPENDENCIES): Likewise.
 282         (pr20216d_test_CFLAGS): Likewise.
 283         (pr20216d_test_LDFLAGS): Likewise.
 284         (pr20216d_test_LDADD): Likewise.
 285         (pr20216e_test_SOURCES): Likewise.
 286         (pr20216e_test_DEPENDENCIES): Likewise.
 287         (pr20216e_test_CFLAGS): Likewise.
 288         (pr20216e_test_LDFLAGS): Likewise.
 289         (pr20216e_test_LDADD): Likewise.
 290         (pr20216a.so): Likewise.
 291         (pr20216b.so): Likewise.
 292         (pr20216_gd.o): Likewise.
 293         (pr20216_ld.o): Likewise.
 294         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 295         * testsuite/Makefile.in: Regenerated.
 296         * testsuite/pr20216_def.c: New file.
 297         * testsuite/pr20216_gd.S: Likewise.
 298         * testsuite/pr20216_ld.S: Likewise.
 299         * testsuite/pr20216_main.c: Likewise.
 300
 301 2016-06-29  Alan Modra  <amodra@gmail.com>
 302
 303         * script_test_12.t: Delete .plt, specify 64k page size.
 304         * script_test_12i.t: Likewise.
 305
 306 2016-06-29  Alan Modra  <amodra@gmail.com>
 307
 308         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 309         variables.
 310
 311 2016-06-29  Alan Modra  <amodra@gmail.com>
 312
 313         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 314         * testsuite/Makefile.in: Regenerate.
 315
 316 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 317
 318         * aarch64-reloc.def (NONE): New relocation.
 319         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 320         (Target_aarch64::Scan::global): Likewise.
 321         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 322         * testsuite/Makefile.in: Regenerate.
 323         * testsuite/aarch64_reloc_none.s: New test source file.
 324         * testsuite/aarch64_reloc_none.sh: New test script.
 325
 326 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 327
 328         * x86_64.cc (Lazy_view): New class.
 329         (can_convert_mov_to_lea): Templatize function.  Make the function
 330         check for appropriate relocation types and use the view parameter
 331         to get section contents.
 332         (can_convert_callq_to_direct): New function.
 333         (Target_x86_64<size>::Scan::global): Refactor.
 334         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 335         call via GOT that can be converted.
 336         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 337         * testsuite/Makefile.in: Regenerate.
 338         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 339         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 340
 341 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 342
 343         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 344         from the top level to the places of its use.
 345
 346 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 347
 348         PR gold/18098
 349         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 350         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 351         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 352         (Output_section_element_input::print): Likewise.
 353         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 354         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 355         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 356
 357         * testsuite/Makefile.am (script_test_14): New test.
 358         * testsuite/Makefile.in: Regenerate.
 359         * testsuite/script_test_14.s: New test source file.
 360         * testsuite/script_test_14.sh: New test script.
 361         * testsuite/script_test_14.t: New test linker script.
 362
 363 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 364
 365         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 366         to R_SPARC_RELATIVE if class is ELFCLASS64.
 367         (Target_sparc::Scan::global): Likewise.
 368
 369 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 370             Igor Kudrin  <ikudrin@accesssoftek.com>
 371
 372         PR gold/15370
 373         * script-sections.cc
 374         (Output_section_element_input::set_section_addresses): Keep bin_count
 375         separate from input_pattern_count.
 376         * testsuite/script_test_12.t: Add another section .x4.
 377         * testsuite/script_test_12i.t: Likewise.
 378         * testsuite/script_test_12a.c: Likewise.
 379         * testsuite/script_test_12b.c: Likewise.
 380
 381 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 382
 383         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 384
 385 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 386
 387         PR ld/20283
 388         * NEWS: Mention --enable-relro.
 389         * configure.ac: Add --enable-relro.
 390         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 391         to 1.
 392         * config.in: Regenerated.
 393         * configure: Likewise.
 394         * options.h (General_options::relro): Default to
 395         DEFAULT_LD_Z_RELRO.
 396
 397 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 398
 399         * NEWS: Add new features in 1.12.
 400         * version.cc (version_string): Bump to 1.12.
 401
 402 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 403
 404         PR gold/20245
 405         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 406         plt_ is NULL.
 407         (Target_i386::plt_entry_size): Likewise.
 408         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 409         (Target_x86_64<size>::plt_entry_size): Likewise.
 410
 411 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 412
 413         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 414         (Target_mips::rld_map_): New data member.
 415         (Target_mips::do_finalize_sections): Add support for
 416         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 417         .rld_map section, and __RLD_MAP symbol.
 418         (Target_mips::do_dynamic_tag_custom_value): Add support for
 419         DT_MIPS_RLD_MAP_REL dynamic tag.
 420         * output.cc (Output_data_dynamic::get_entry_offset): New method
 421         definition.
 422         * output.h (Output_data_dynamic::get_entry_offset): New method
 423         declaration.
 424
 425 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 426
 427         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 428
 429 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 430
 431         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 432         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 433         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 434         (is_matching_lo16_reloc): Likewise.
 435         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 436         (Mips_output_data_plt::plt_entry_r6): New static data member for
 437         R6 PLT entry.
 438         (Target_mips::is_output_r6): New method.
 439         (Target_mips::Mips_mach): Add new enum constants.
 440         (Mips_relocate_functions::Status): Likewise.
 441         (Mips_relocate_functions::pchi16_relocs): New static data member.
 442         (Mips_relocate_functions::relpc21): New method.
 443         (Mips_relocate_functions::relpc26): Likewise.
 444         (Mips_relocate_functions::relpc18): Likewise.
 445         (Mips_relocate_functions::relpc19): Likewise.
 446         (Mips_relocate_functions::relpchi16): Likewise.
 447         (Mips_relocate_functions::do_relpchi16): Likewise.
 448         (Mips_relocate_functions::relpclo16): Likewise.
 449         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 450         entry.
 451         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 452         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 453         E_MIPS_ARCH_64R6 support.
 454         (Target_mips::update_abiflags_isa): Likewise.
 455         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 456         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 457         R_MIPS_PC19_S2.
 458         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 459         and R_MIPS_PCLO16.
 460         (Target_mips::Scan::global): Add support for relocs:
 461         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 462         (Target_mips::Relocate::relocate): Call functions for resolving
 463         Mips32r6 and Mips64r6 relocations, and print error message for
 464         STATUS_PCREL_UNALIGNED.
 465         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 466         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 467         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 468         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 469         E_MIPS_ARCH_64R6 support.
 470
 471 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 472
 473         PR gold/20246
 474         * testsuite/script_test_2.t: Add .got.plt after .got.
 475
 476 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 477
 478         * mips.cc (struct Mips_abiflags): New struct.
 479         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 480         and abiflags_.
 481         (Mips_relobj::~Mips_relobj): Delete object pointed by
 482         attributes_section_data_.
 483         (Mips_relobj::abiflags): New method.
 484         (Mips_relobj::attributes_section_data): Likewise.
 485         (Mips_relobj::attributes_section_data_): New data member.
 486         (Mips_relobj::abiflags_): Likewise.
 487         (class Mips_output_section_abiflags): New class.
 488         (Target_mips::Target_mips): Initialize attributes_section_data_,
 489         abiflags_ and has_abiflags_section_.
 490         (Target_mips::do_should_include_section): Don't emit input
 491         .MIPS.abiflags sections to output .MIPS.abiflags.
 492         (Target_mips::Mips_mach): Add new enum constants.
 493         (Target_mips::mips_isa_ext_mach): New method.
 494         (Target_mips::mips_isa_ext): Likewise.
 495         (Target_mips::update_abiflags_isa): Likewise.
 496         (Target_mips::infer_abiflags): Likewise.
 497         (Target_mips::create_abiflags): Likewise.
 498         (Target_mips::fp_abi_string): Likewise.
 499         (Target_mips::select_fp_abi): Likewise.
 500         (Target_mips::merge_obj_attributes): Likewise.
 501         (Target_mips::merge_obj_abiflags): Likewise.
 502         (Target_mips::level_rev): Likewise.
 503         (Target_mips::merge_obj_e_flags): Rename from
 504         merge_processor_specific_flags. Remove dyn_obj argument,
 505         call update_abiflags_isa when needed, compare NaN encodings and
 506         compare FP64 state.
 507         (Target_mips::add_machine_extensions): Add two machine extensions
 508         and fix one.
 509         (Target_mips::attributes_section_data_): New data member.
 510         (Target_mips::abiflags_): Likewise.
 511         (Target_mips::has_abiflags_section_): Likewise.
 512         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 513         .MIPS.abiflags sections if they exists.
 514         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 515         E_MIPS_MACH_OCTEON3 support.
 516         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 517         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 518         .MIPS.abiflags sections from input. Create these sections if
 519         needed.
 520         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 521         E_MIPS_MACH_OCTEON3 support, and change strings for
 522         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 523         to match bfd.
 524
 525 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 526
 527         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 528         has_reginfo_section_.
 529         (Mips_relobj::has_reginfo_section_): New data member.
 530         (Mips_relobj::has_reginfo_section): New method.
 531         (class Mips_output_section_reginfo): Change base class to
 532         Output_section_data, and set masks of the output .reginfo section
 533         in constructor.
 534         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 535         Remove.
 536         (Mips_output_section_reginfo::set_masks): Likewise.
 537         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 538         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 539         (Target_mips::do_make_output_section): Remove.
 540         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 541         if the object contains a .reginfo section.
 542         (Target_mips::do_finalize_sections): Create a .reginfo output
 543         section if needed.
 544
 545 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 546
 547         * mips.cc (Mips_output_data_got::do_write): Add missing template
 548         args via typedef.
 549
 550 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 551
 552         PR/19960
 553         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 554         (Target_s390::ss_code_l_r14): Removed.
 555         (Target_s390::ss_code_ear): Removed.
 556         (Target_s390::ss_code_c): Removed.
 557         (Target_s390::ss_match_st_r14): New function.
 558         (Target_s390::ss_match_l_r14): New function.
 559         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 560         of matching code directly.
 561         (Target_s390::ss_match_ear): New function.
 562         (Target_s390::ss_match_c): New function.
 563         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 564         of matching code directly.
 565
 566 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 567
 568         PR gold/19823
 569         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 570         parameter; check for protected symbol.
 571         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 572         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 573         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 574         (Symbol_table::add_from_dynobj): Mark protected symbols.
 575         * symtab.h (Symbol::is_protected): New method.
 576         (Symbol::set_is_protected): New method.
 577         (Symbol::is_protected_): New data member.
 578
 579         * testsuite/Makefile.am (copy_test_protected): New test.
 580         * testsuite/Makefile.in: Regenerate.
 581         * testsuite/copy_test.cc (main): Add legal reference to protected
 582         symbol.
 583         * testsuite/copy_test_v1.cc (main): Likewise.
 584         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 585         * testsuite/copy_test_protected.cc: New test source file.
 586         * testsuite/copy_test_protected.sh: New test script.
 587
 588 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 589
 590         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 591         for global got symbols, and set addend to 0.
 592         (Mips_got_entry::hash): Change hash algorithm.
 593         (Mips_got_entry::equals): Refactor.
 594         (Mips_got_entry::object): Return input object for local got symbols
 595         from union d.
 596         (Mips_got_entry::addend): Change return of the relocation addend.
 597         (Mips_got_entry::addend_): Move from union d.
 598         (Mips_got_entry::object_): Move into union d.
 599         (class Mips_symbol_hash): New class.
 600         (Mips_got_info::Global_got_entry_set): New type.
 601         (Mips_got_info::global_got_symbols): Change return type to
 602         Global_got_entry_set.
 603         (Mips_got_info::global_got_symbols_): Change type to
 604         Global_got_entry_set.
 605         (Mips_symbol::hash): New method.
 606         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 607         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 608         (Mips_output_data_mips_stubs::symbols_): Change type to
 609         Mips_stubs_entry_set.
 610         (Mips_got_info::record_global_got_symbol): Don't pass object
 611         argument when creating global got symbol.
 612         (Mips_got_info::record_got_entry): Remove find before inserting
 613         got entries.
 614         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 615         to Global_got_entry_set.
 616         (Mips_got_info::count_got_symbols): Likewise.
 617         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 618         for adding entries to symbols_.
 619         (Mips_output_data_la25_stub::do_write): Change type of iterator
 620         to std::vector.
 621         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 622         of iterator to Mips_stubs_entry_set.
 623         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 624         (Mips_output_data_mips_stubs::do_write): Likewise.
 625
 626 2016-05-06  Han Shen  <shenhan@google.com>
 627
 628         PR gold/19987.
 629
 630         * aarch64-reloc.def: New relocation type.
 631         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 632         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 633         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 634         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 635
 636 2016-04-28  Nick Clifton  <nickc@redhat.com>
 637
 638         * po/zh_CN.po: Updated Chinese (simplified) translation.
 639
 640 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 641
 642         * Makefile.in: Regenerated with automake 1.11.6.
 643         * aclocal.m4: Likewise.
 644         * testsuite/Makefile.in: Likewise.
 645
 646 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 647
 648         PR gold/16979
 649         * symtab.cc (Symbol_table::define_default_version): Check for case
 650         where symbols are both in different shared objects.
 651
 652 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 653
 654         PR gold/16111
 655         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 656         R_386_GOTOFF.
 657
 658 2016-03-22  Nick Clifton  <nickc@redhat.com>
 659
 660         * configure: Regenerate.
 661
 662 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 663
 664         PR gold/19842
 665         * errors.cc (Errors::undefined_symbol): Add info message when
 666         symbol should have been provided by a plugin.
 667         * target-reloc.h (issue_undefined_symbol_error): Check for
 668         placeholder symbols defined in discarded sections.
 669         * testsuite/Makefile.am (plugin_test_9b): New test case.
 670         * testsuite/Makefile.in: Regenerate.
 671         * testsuite/plugin_test_9b_elf.cc: New test source file.
 672         * testsuite/plugin_test_9b_ir.cc: New test source file.
 673
 674 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 675
 676         PR gold/19002
 677         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 678         * testsuite/Makefile.am (eh_test_2): New test.
 679         * testsuite/Makefile.in: Regenerate.
 680         * testsuite/eh_test_2.sh: New test script.
 681         * testsuite/eh_test_a.cc (bar): Make it comdat.
 682         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 683
 684 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 685
 686         * mips.cc (Mips_relobj::is_n64_): Remove.
 687         (Target_mips::ei_class_): Likewise.
 688         (Mips_relobj::is_newabi): Call methods.
 689         (Mips_relobj::is_n64): Change checking for N64 ABI.
 690         (Target_mips::is_output_n64): Likewise.
 691         (Target_mips::merge_processor_specific_flags): Remove ei_class
 692         argument, and remove comparing ei_class.
 693         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 694         of the ELF header.
 695         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 696         to merge_processor_specific_flags.
 697         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 698         change checking for N64 ABI.
 699
 700 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 701
 702         * mips.cc (enum Special_relocation_symbol): New enum type.
 703         (is_readonly_section): New function.
 704         (eh_reloc): Likewise.
 705         (Mips_got_entry::is_section_symbol_): New member.
 706         (Mips_got_entry::is_section_symbol): New method.
 707         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 708         argument.
 709         (Mips_relobj::mips_elf_options_section_name): New method.
 710         (Mips_output_data_got::record_local_got_symbol): Add
 711         is_section_symbol argument, and pass it to
 712         Mips_got_info::record_local_got_symbol.
 713         (Mips_output_data_got::got_offset): Add addend argument, and pass
 714         it to Relobj::local_got_offset.
 715         (struct Mips_output_reloc_writer): New type.
 716         (class Mips_output_data_reloc): New class.
 717         (Mips_output_data_plt::Reloc_section): Change type to
 718         Mips_output_data_reloc.
 719         (Target_mips::Reloc_section): Likewise.
 720         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 721         (Mips_classify_reloc::get_r_type2): New method.
 722         (Mips_classify_reloc::get_r_type3): Likewise.
 723         (Mips_classify_reloc::get_r_ssym): Likewise.
 724         (Target_mips::Reloca_section): Remove.
 725         (Relocate::should_apply_static_reloc): Rename from
 726         should_apply_r_mips_32_reloc.
 727         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 728         and r_offset.
 729         (Mips_relocate_functions::Valtype): New type.
 730         (Mips_relocate_functions::Valtype64): New type.
 731         (Mips_relocate_functions::check_overflow): New method.
 732         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 733         interface.
 734         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 735         (Mips_relocate_functions::rel16): Add support for resolving
 736         relocations for Mips64.
 737         (Mips_relocate_functions::rel32): Likewise.
 738         (Mips_relocate_functions::reljalr): Likewise.
 739         (Mips_relocate_functions::relpc32): Likewise.
 740         (Mips_relocate_functions::rel26): Likewise.
 741         (Mips_relocate_functions::relpc16): Likewise.
 742         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 743         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 744         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 745         (Mips_relocate_functions::do_relhi16): Likewise.
 746         (Mips_relocate_functions::do_relgot16_local): Likewise.
 747         (Mips_relocate_functions::rello16): Likewise.
 748         (Mips_relocate_functions::relgot): Likewise.
 749         (Mips_relocate_functions::relgotpage): Likewise.
 750         (Mips_relocate_functions::relgotofst): Likewise.
 751         (Mips_relocate_functions::relgot_hi16): Likewise.
 752         (Mips_relocate_functions::relgot_lo16): Likewise.
 753         (Mips_relocate_functions::relgprel): Likewise.
 754         (Mips_relocate_functions::relgprel32): Likewise.
 755         (Mips_relocate_functions::tlsrelhi16): Likewise.
 756         (Mips_relocate_functions::tlsrello16): Likewise.
 757         (Mips_relocate_functions::tlsrel32): Likewise.
 758         (Mips_relocate_functions::relsub): Likewise.
 759         (Mips_relocate_functions::releh): New method.
 760         (Mips_relocate_functions::rel64): Likewise.
 761         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 762         pass it to Mips_got_entry.
 763         (Mips_got_info::add_local_entries): Pass addend argument
 764         to code functions, and for STT_SECTION symbols call
 765         add_symbolless_local_addend.
 766         (Mips_got_info::add_tls_entries): Pass addend argument to code
 767         functions.
 768         (Mips_relobj::do_read_symbols): Read gp value that was used to
 769         create object.
 770         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 771         instruction. Opcode for instruction will be selected later.
 772         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 773         (Target_mips::scan_relocatable_relocs): Likewise.
 774         (Target_mips::emit_relocs_scan): Likewise.
 775         (Target_mips::relocate_relocs): Likewise.
 776         (Target_mips::do_finalize_sections): Skip objects for merging
 777         processor specific flags in which all input sections will be
 778         discarded.
 779         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 780         (Target_mips::Scan::get_reference_flags): Likewise.
 781         (Target_mips::relocate_special_relocatable): Call rel26 method with
 782         calculate_only and calculated_value arguments.
 783         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 784         dynamic relocation against a readonly sections, and pass
 785         is_section_symbol to Mips_got_info::record_local_got_symbol.
 786         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 787         dynamic relocation against a readonly sections, and pass r_type
 788         and r_offset to Target_mips::copy_reloc.
 789         (Target_mips::Relocate::relocate): Add support for resolving
 790         relocations for Mips64.
 791         (Target_mips::mips_info): Add case for Mips64 default dynamic
 792         linker name.
 793         (Target_selector_mips): Correct emulation names.
 794
 795 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 796
 797         * mips.cc (class Mips_output_data_la25_stub): Add
 798         do_print_to_mapfile function.
 799
 800 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 801
 802         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 803         elf_r_info.
 804
 805 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 806
 807         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 808         * testsuite/plugin_layout_with_alignment.c: This.
 809         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 810         (plugin_layout_with_alignment): Likewise.
 811         * testsuite/Makefile.in: Regenerated.
 812
 813 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 814
 815         PR 19751
 816         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 817         for constructor.
 818         * testsuite/Makefile.in: Regenerate.
 819         * testsuite/dynamic_list.sh: Likewise.
 820         * testsuite/retain_symbols_file_test.sh: Likewise.
 821
 822 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 823
 824         PR 19751
 825         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 826         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 827
 828 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 829             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 830
 831         * output.cc (Output_reloc_writer): New type.
 832         (Output_data_reloc_base::do_write): Move implementation to template
 833         in output.h and replace with invocation of template.
 834         * output.h (Output_file): Move to top of file.
 835         (Output_reloc::get_symbol_index): Move to public interface.
 836         (Output_reloc::get_address): Likewise.
 837         (Output_data_reloc_base::do_write_generic): New function template.
 838
 839 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 840
 841         PR gold/19019
 842         PR gold/19763
 843         * symtab.cc: Instantiate Sized_symbol::init_constant and
 844         Sized_symbol::init_undefined.
 845
 846 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 847
 848         PR gold/19019
 849         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 850         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 851         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 852         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 853         (Target_sparc::do_is_defined_by_abi): Remove test for
 854         STT_SPARC_REGISTER.
 855         (Target_sparc::Register_symbol): New struct type.
 856         (Target_sparc::register_syms_): New data member.
 857         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 858         (Target_sparc::make_symbol): New function.
 859         (Target_sparc::do_finalize_sections): Add register symbols and new
 860         dynamic table entries.
 861         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 862         (Symbol_table::add_target_global_symbol): New function.
 863         (Symbol_table::target_symbols_): New data member.
 864         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 865         (Symbol_table::Symbol_table): Initialize target_symbols_.
 866         (Symbol_table::add_from_object): Pass additional parameters to
 867         Target::make_symbol.
 868         (Symbol_table::define_special_symbol): Likewise.
 869         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 870         undefined symbol value.
 871         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 872         (Symbol_table::sized_finalize): Likewise.
 873         (Symbol_table::sized_write_globals): Likewise.
 874         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 875         st_shndx, and value parameters.
 876
 877 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 878
 879         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 880         LDPK_WEAKUNDEF symbols.
 881
 882 2016-03-03  Than McIntosh  <thanm@google.com>
 883
 884         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 885         and get_input_section_alignment in transfer vector.
 886         (get_input_section_alignment): New function.
 887         (get_input_section_size): New function.
 888         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 889         * testsuite/Makefile.in: [Regenerate.]
 890         * testsuite/plugin_section_alignment.cc: New test file.
 891         * testsuite/plugin_layout_with_alignment.cc: New test file.
 892         * testsuite/plugin_layout_with_alignment.sh: New test file.
 893
 894 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 895
 896         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 897         parameter.
 898         * plugin.cc (get_symbols_v3): New function.
 899         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 900         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 901         new version.
 902
 903 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 904             Cary Coutant  <ccoutant@gmail.com>
 905
 906         PR gold/19735
 907         * ehframe.h (Cie::fde_encoding): New method.
 908         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 909         address ranges.
 910
 911 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 912
 913         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 914         -mrelax-relocations=yes to $(TEST_AS).
 915         (x86_64_mov_to_lea6.o): Likewise.
 916         (x86_64_overflow_pc32.o): Remove duplicated target.
 917         * testsuite/Makefile.in: Regenerated.
 918
 919 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 920
 921         * s390.cc (Target_s390::match_view_u): New helper method.
 922         (Target_s390::do_is_call_to_non_split): New method.
 923         (Target_s390::ss_code_st_r14): New const.
 924         (Target_s390::ss_code_l_r14): New const.
 925         (Target_s390::ss_code_bras_8): New const.
 926         (Target_s390::ss_code_l_basr): New const.
 927         (Target_s390::ss_code_a_basr): New const.
 928         (Target_s390::ss_code_ear): New const.
 929         (Target_s390::ss_code_c): New const.
 930         (Target_s390::ss_code_larl): New const.
 931         (Target_s390::ss_code_brasl): New const.
 932         (Target_s390::ss_code_jg): New const.
 933         (Target_s390::ss_code_jgl): New const.
 934         (Target_s390::ss_match_mcount): New helper method.
 935         (Target_s390::ss_match_l): New helper method.
 936         (Target_s390::ss_match_ahi): New helper method.
 937         (Target_s390::ss_match_alfi): New helper method.
 938         (Target_s390::ss_match_cr): New helper method.
 939         (Target_s390::do_calls_non_split): New method.
 940         * testsuite/Makefile.am: Added new tests.
 941         * testsuite/Makefile.in: Regenerate.
 942         * testsuite/split_s390.sh: New test.
 943         * testsuite/split_s390_1_a1.s: New test.
 944         * testsuite/split_s390_1_a2.s: New test.
 945         * testsuite/split_s390_1_n1.s: New test.
 946         * testsuite/split_s390_1_n2.s: New test.
 947         * testsuite/split_s390_1_z1.s: New test.
 948         * testsuite/split_s390_1_z2.s: New test.
 949         * testsuite/split_s390_1_z3.s: New test.
 950         * testsuite/split_s390_1_z4.s: New test.
 951         * testsuite/split_s390_2_ns.s: New test.
 952         * testsuite/split_s390_2_s.s: New test.
 953         * testsuite/split_s390x_1_a1.s: New test.
 954         * testsuite/split_s390x_1_a2.s: New test.
 955         * testsuite/split_s390x_1_n1.s: New test.
 956         * testsuite/split_s390x_1_n2.s: New test.
 957         * testsuite/split_s390x_1_z1.s: New test.
 958         * testsuite/split_s390x_1_z2.s: New test.
 959         * testsuite/split_s390x_1_z3.s: New test.
 960         * testsuite/split_s390x_1_z4.s: New test.
 961         * testsuite/split_s390x_2_ns.s: New test.
 962         * testsuite/split_s390x_2_s.s: New test.
 963
 964 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 965
 966         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 967         info message for every erratum 843419 found and fixed.
 968
 969 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 970
 971         PR gold/18695
 972         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 973         information to relocation overflow errors.
 974
 975 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 976
 977         PR gold/18695
 978         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 979         overflow checking when symbol value + addend < 0.
 980
 981 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 982
 983         PR gold/19577
 984         * reloc.h (Limits): New class.
 985         (Bits::has_overflow32): Use min/max values from Limits.
 986         (Bits::has_unsigned_overflow32): Likewise.
 987         (Bits::has_signed_unsigned_overflow32): Likewise.
 988         (Bits::has_overflow): Likewise.
 989         (Bits::has_unsigned_overflow): Likewise.
 990         (Bits::has_signed_unsigned_overflow64): Likewise.
 991
 992 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 993
 994         PR gold/19567
 995         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 996         * x86_64.cc (X86_64_relocate_functions): New class.
 997         (Target_x86_64::Relocate::relocate): Use the new class.
 998         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 999         (x32_overflow_pc32): New test case.
1000         * testsuite/Makefile.in: Regenerate.
1001         * testsuite/x32_overflow_pc32.sh: New script.
1002         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
1003
1004 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1005
1006         PR gold/19577
1007         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
1008         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
1009
1010 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1011
1012         PR gold/19577
1013         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
1014         comparison.
1015         (Bits::has_unsigned_overflow): Likewise.
1016
1017 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
1018
1019         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
1020         parameters.
1021         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1022         and view_size to is_call_to_non_split.
1023         * target.cc (Target::is_call_to_non_split): Add view and view_size
1024         parameters.
1025         * target.h (class Target): Likewise.
1026
1027 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1028
1029         * icf.cc (get_rel_addend): New function.
1030         (get_section_contents):  Move merge section addend computation to a
1031         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1032         Fix bug to not read past the length of the section.
1033
1034 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1035             Andrew Senkevich  <andrew.senkevich@intel.com>
1036
1037         PR gold/18695
1038         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1039         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1040         R_X86_64_PLT32.
1041         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1042         * testsuite/x86_64_overflow_pc32.sh: New test script.
1043         * testsuite/x86_64_overflow_pc32.s: New source file.
1044
1045 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1046
1047         PR gold/18695
1048         * reloc.h (Relocate_functions::Address): New typedef.
1049         (Relocate_functions::Addendtype): New typedef.
1050         (Relocate_functions::Overflow_check): New enum type.
1051         (Relocate_functions::Reloc_status): New enum type.
1052         (Relocate_functions::check_overflow): New function template.
1053         (Relocate_functions::rel): Add check parameter; check for overflow.
1054         (Relocate_functions::rel_unaligned): Likewise.
1055         (Relocate_functions::rela): Likewise.
1056         (Relocate_functions::pcrel): Likewise.
1057         (Relocate_functions::pcrel_unaligned): Likewise.
1058         (Relocate_functions::pcrela): Likewise.
1059         (Relocate_functions::rel8): Adjust parameter types.
1060         (Relocate_functions::rela8): Likewise.
1061         (Relocate_functions::pcrel8): Likewise.
1062         (Relocate_functions::pcrela8): Likewise.
1063         (Relocate_functions::rel16): Likewise.
1064         (Relocate_functions::rela168): Likewise.
1065         (Relocate_functions::pcrel16): Likewise.
1066         (Relocate_functions::pcrela16): Likewise.
1067         (Relocate_functions::rel32): Likewise.
1068         (Relocate_functions::rel32_unaligned): Likewise.
1069         (Relocate_functions::rela32): Likewise.
1070         (Relocate_functions::pcrel32): Likewise.
1071         (Relocate_functions::pcrel32_unaligned): Likewise.
1072         (Relocate_functions::pcrela32): Likewise.
1073         (Relocate_functions::rel8_check): New function.
1074         (Relocate_functions::rela8_check): New function.
1075         (Relocate_functions::pcrel8_check): New function.
1076         (Relocate_functions::pcrela8_check): New function.
1077         (Relocate_functions::rel16_check): New function.
1078         (Relocate_functions::rela168_check): New function.
1079         (Relocate_functions::pcrel16_check): New function.
1080         (Relocate_functions::pcrela16_check): New function.
1081         (Relocate_functions::rel32_check): New function.
1082         (Relocate_functions::rel32_unaligned_check): New function.
1083         (Relocate_functions::rela32_check): New function.
1084         (Relocate_functions::pcrel32_check): New function.
1085         (Relocate_functions::pcrel32_unaligned_check): New function.
1086         (Relocate_functions::pcrela32_check): New function.
1087         (Bits::has_unsigned_overflow32): New function.
1088         (Bits::has_unsigned_overflow): New function.
1089         * testsuite/Makefile.am (overflow_unittest): New test.
1090         * testsuite/Makefile.in: Regenerate.
1091         * testsuite/overflow_unittest.cc: New source file.
1092
1093 2016-02-04  Alan Modra  <amodra@gmail.com>
1094
1095         * powerpc.cc (relocate): Adjust last patch for big-endian.
1096
1097 2016-02-02  Alan Modra  <amodra@gmail.com>
1098
1099         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1100
1101 2016-01-15 Han Shen  <shenhan@google.com>
1102
1103         PR gold/19472 - need pc-relative stubs.
1104
1105         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1106         stub type for DSOs and pie executables.
1107
1108 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1109
1110         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1111         'typename'.
1112
1113 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1114
1115         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1116         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1117         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1118         specializations) New method.
1119
1120 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1121
1122         PR gold/19353
1123         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1124         we have a TLS segment for GD-to-IE optimization.
1125         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1126         Adjust all calls.
1127         (Target_i386::tls_desc_gd_to_ie): Likewise.
1128         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1129         for TLSDESC GD-to-IE optimizations.
1130         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1131         Adjust all calls.
1132         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1133         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1134         for TLSDESC GD-to-IE optimizations.
1135
1136 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1137
1138         Refactor gold to enable support for MIPS-64 relocation format.
1139
1140         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1141         (gc_process_relocs): Remove sh_type template parameter.
1142         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1143         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1144         parameter.
1145         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1146         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1147         specializations) Remove.
1148         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1149         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1150         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1151         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1152         Adjust all callers.
1153         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1154         Target::get_r_sym() to get r_sym field from relocations.
1155         (Track_relocs::next_symndx): Call Target::get_r_sym().
1156         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1157         add Classify_reloc template parameter.  Use for accessing r_sym and
1158         r_type.
1159         (relocate_section): Likewise.
1160         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1161         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1162         (Default_scan_relocatable_relocs::Reltype): New typedef.
1163         (Default_scan_relocatable_relocs::reloc_size): New const.
1164         (Default_scan_relocatable_relocs::sh_type): New const.
1165         (Default_scan_relocatable_relocs::get_r_sym): New method.
1166         (Default_scan_relocatable_relocs::get_r_type): New method.
1167         (Default_emit_relocs_strategy): New class.
1168         (scan_relocatable_relocs): Replace sh_type template parameter with
1169         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1170         fields.
1171         (relocate_relocs): Replace sh_type template parameter with
1172         Classify_reloc class.  Use it to access r_sym and r_type fields.
1173         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1174         with pointer to relocation. Adjust all callers.
1175         (Target::do_is_call_to_non_split): Likewise.
1176         (Target::emit_relocs_scan): New virtual method.
1177         (Sized_target::get_r_sym): New virtual method.
1178         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1179         with pointer to relocation.
1180
1181         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1182         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1183         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1184         (Target_aarch64::scan_relocs): Likewise.
1185         (Target_aarch64::relocate_section): Likewise.
1186         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1187         Remove.
1188         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1189         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1190         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1191         template parameter.
1192         (Target_arm::emit_relocs_scan): New method.
1193         (Target_arm::Relocatable_size_for_reloc): Replace with...
1194         (Target_arm::Classify_reloc): ...this.
1195         (Target_arm::gc_process_relocs): Use Classify_reloc.
1196         (Target_arm::scan_relocs): Likewise.
1197         (Target_arm::relocate_section): Likewise.
1198         (Target_arm::scan_relocatable_relocs): Likewise.
1199         (Target_arm::relocate_relocs): Likewise.
1200         * i386.cc (Target_i386::emit_relocs_scan): New method.
1201         (Target_i386::Relocatable_size_for_reloc): Replace with...
1202         (Target_i386::Classify_reloc): ...this.
1203         (Target_i386::gc_process_relocs): Use Classify_reloc.
1204         (Target_i386::scan_relocs): Likewise.
1205         (Target_i386::relocate_section): Likewise.
1206         (Target_i386::scan_relocatable_relocs): Likewise.
1207         (Target_i386::relocate_relocs): Likewise.
1208         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1209         parameter.
1210         (Mips_reloc_types): New class template.
1211         (Mips_classify_reloc): New class template.
1212         (Target_mips::Reltype): New typedef.
1213         (Target_mips::Relatype): New typedef.
1214         (Target_mips::emit_relocs_scan): New method.
1215         (Target_mips::get_r_sym): New method.
1216         (Target_mips::Relocatable_size_for_reloc): Replace with
1217         Mips_classify_reloc.
1218         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1219         (Target_mips::gc_process_relocs): Likewise.
1220         (Target_mips::scan_relocs): Likewise.
1221         (Target_mips::relocate_section): Likewise.
1222         (Target_mips::scan_relocatable_relocs): Likewise.
1223         (Target_mips::relocate_relocs): Likewise.
1224         (mips_get_size_for_reloc): New function, factored out from
1225         Relocatable_size_for_reloc::get_size_for_reloc.
1226         (Target_mips::Scan::local): Use Mips_classify_reloc.
1227         (Target_mips::Scan::global): Likewise.
1228         (Target_mips::Relocate::relocate): Likewise.
1229         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1230         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1231         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1232         (Target_powerpc::scan_relocs): Likewise.
1233         (Target_powerpc::relocate_section): Likewise.
1234         (Powerpc_scan_relocatable_reloc): Convert to class template.
1235         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1236         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1237         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1238         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1239         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1240         (Target_powerpc::scan_relocatable_relocs): Use
1241         Powerpc_scan_relocatable_reloc.
1242         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1243         * s390.cc (Target_s390::emit_relocs_scan): New method.
1244         (Target_s390::Relocatable_size_for_reloc): Remove.
1245         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1246         (Target_s390::scan_relocs): Likewise.
1247         (Target_s390::relocate_section): Likewise.
1248         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1249         Remove.
1250         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1251         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1252         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1253         (Target_sparc::Relocatable_size_for_reloc): Remove.
1254         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1255         (Target_sparc::scan_relocs): Likewise.
1256         (Target_sparc::relocate_section): Likewise.
1257         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1258         Remove.
1259         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1260         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1261         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1262         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1263         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1264         (Target_tilegx::scan_relocs): Likewise.
1265         (Target_tilegx::relocate_section): Likewise.
1266         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1267         Remove.
1268         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1269         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1270         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1271         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1272         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1273         (Target_x86_64::scan_relocs): Likewise.
1274         (Target_x86_64::relocate_section): Likewise.
1275         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1276         Remove.
1277         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1278         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1279
1280         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1281
1282 2016-01-01  Alan Modra  <amodra@gmail.com>
1283
1284         Update year range in copyright notice of all files.
1285
1286 For older changes see ChangeLog-0815
1287 \f
1288 Copyright (C) 2016 Free Software Foundation, Inc.
1289
1290 Copying and distribution of this file, with or without modification,
1291 are permitted in any medium without royalty provided the copyright
1292 notice and this notice are preserved.
1293
1294 Local Variables:
1295 mode: change-log
1296 left-margin: 8
1297 fill-column: 74
1298 version-control: never
1299 End: