gold/ChangeLog

   1 2016-11-21  Cary Coutant  <ccoutant@gmail.com>
   2
   3         PR gold/20693
   4         * gold.cc (queue_middle_tasks): Force valid target earlier.
   5
   6 2016-11-21  Igor Kudrin  <ikudrin@accesssoftek.com>
   7
   8         * layout.cc: Include windows.h and rpcdce.h (for MinGW32).
   9         (Layout::create_build_id): Generate uuid using UuidCreate().
  10
  11 2016-11-04  Loïc Yhuel <loic.yhuel@softathome.com>
  12
  13         * configure.ac: add missing '$'.
  14         * configure: Regenerate.
  15
  16 2016-10-21  Gergely Nagy  <ngg@tresorit.com>
  17
  18         PR gold/17704
  19         * icf.cc (match_sections): Add new parameter section_addraligns.
  20         Check section alignment and keep the section with the strictest
  21         alignment.
  22         (find_identical_sections): New local variable section_addraligns.
  23         Store each section's alignment.
  24         * testsuite/pr17704a_test.s: New file.
  25         * testsuite/Makefile.am (pr17704a_test): New test.
  26         * testsuite/Makefile.in: Regenerate.
  27
  28 2016-10-06  Alan Modra  <amodra@gmail.com>
  29
  30         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
  31         through comment.
  32         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  33
  34 2016-10-06  Alan Modra  <amodra@gmail.com>
  35
  36         * aarch64.cc: Spell fall through comments as "// Fall through.".
  37         * arm.cc: Likewise.
  38         * mips.cc: Likewise.
  39         * powerpc.cc: Likewise.
  40         * s390.cc: Likewise.
  41         * sparc.cc: Likewise.
  42         * x86_64.cc: Likewise.
  43         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  44         fall through comments.
  45         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  46         (Target_sparc::Relocate::relocate): Likewise.
  47         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  48         * resolve.cc (symbol_to_bits): Add missing break.
  49
  50 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  51
  52         PR gold/20238
  53         * symtab.cc (Symbol_table::define_default_version): Check that
  54         unversioned symbol is defined.
  55
  56 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
  57
  58         * Makefile.in: Regenerate.
  59         * configure: Likewise.
  60         * testsuite/Makefile.in: Likewise.
  61
  62 2016-09-26  Alan Modra  <amodra@gmail.com>
  63
  64         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
  65         compiler warning.
  66         * output.cc (Output_segment::set_section_addresses): Likewise.
  67         * testsuite/Makefile.in: Regenerate.
  68
  69 2016-09-02  Doug Kwan  <dougkwan@google.com>
  70
  71         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  72         class definition.  Add code to handle --target1-rel, --target1-abs
  73         and --target2= options.
  74         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  75         and const.
  76         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  77         member declaration.
  78         (Target_arm::Scan::local, Target_arm::Scan::global,
  79         Target_arm::Relocate::relocate,
  80         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  81         call to Target_arm::get_real_reloc_type.
  82         (Target_arm::get_real_reloc_type): Use command line options to
  83         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  84         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  85         options.
  86
  87 2016-08-31  Alan Modra  <amodra@gmail.com>
  88
  89         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  90         and has14_.  Add group_size_.
  91         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  92         debug info when switching to adding sections before stubs.
  93
  94 2016-08-31  Alan Modra  <amodra@gmail.com>
  95
  96         * debug.h (DEBUG_TARGET): New.
  97         (DEBUG_ALL): Add DEBUG_TARGET.
  98         (gold_debug): Delete FORMAT param.
  99         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
 100
 101 2016-08-30  Alan Modra  <amodra@gmail.com>
 102
 103         PR 20523
 104         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
 105         (Stub_control::can_add_to_stub_group): Correct grouping of
 106         sections containing 14-bit external branches.  When returning
 107         false, set state_ to reflect the fact that we have one section
 108         for the next group.  Rewrite most of function for clarity.
 109         Add and expand comments.
 110         (Target_powerpc::do_relax): Print stub group size retry in hex.
 111
 112 2016-08-26  Han Shen  <shenhan@google.com>
 113
 114         PR gold/20529 - relaxing loop never ends.
 115
 116         * powerpc.cc (Stub_table::min_size_threshold_): New member to
 117         limit size.
 118         (Stub_table::set_min_size_threshold): New member function.
 119         (Stub_table::set_address_and_size): Add code to only allow size
 120         increase.
 121         (Target_powerpc::do_relax): Add code to record last size.
 122
 123 2016-08-23  Roland McGrath  <roland@hack.frob.com>
 124
 125         * options.h (General_options): Grok -z stack-size.
 126         * output.h (Output_segment::set_size): New method.
 127         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 128         (Layout::create_stack_segment): ... this.  Always create the
 129         segment if -z stack-size was used.
 130         (Layout::set_segment_offsets): Don't call ->set_offset on the
 131         PT_GNU_STACK segment.
 132
 133 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 134
 135         * options.h (General_options): Add --be8 option.
 136         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 137         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 138         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 139         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 140         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 141
 142 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 143
 144         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 145         error message.
 146         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 147         (pr20308a): Add -Bgcctestdir/ to compile rules.
 148         * testsuite/Makefile.in: Regenerate.
 149
 150 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 151
 152         PR gold/20462
 153         * script-sections.cc (Script_sections::release_segments):
 154         Reset this->segments_created_.
 155
 156 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 157
 158         * yyscript.y (HIDDEN): New %token.
 159         (assignment): Handle HIDDEN(string = expr) syntax.
 160         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 161
 162 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 163
 164         PR gold/20216
 165         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 166         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 167         error message.
 168         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 169         (pr20216_ld.o): Likewise.
 170         * testsuite/Makefile.in: Regenerate.
 171
 172 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 173
 174         PR gold/20443
 175         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 176         which will be present for STT_SPARC_REGISTER.
 177         (Symbol_table::add_from_pluginobj): Likewise.
 178         (Symbol_table::add_from_dynobj): Likewise.
 179         (Symbol_table::add_from_incrobj): Removed dead code.
 180
 181 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 182
 183         PR gold/20442
 184         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 185         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 186
 187 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 188
 189         PR gold/20441
 190         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 191         sparc64.
 192
 193 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 194
 195         PR gold/20310
 196         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 197
 198 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 199
 200         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 201         * testsuite/Makefile.in: Regenerate.
 202
 203 2016-06-30  Alan Modra  <amodra@gmail.com>
 204
 205         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 206         -Wl,-z to gcc, not plain -z.
 207         * testsuite/Makefile.in: Regenerate.
 208
 209 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 210
 211         PR gold/20308
 212         * i386.cc (Target_i386::Relocate::relocate): Allow
 213         R_386_GOT32X relocation against ___tls_get_addr.
 214         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 215         call to __tls_get_addr.
 216         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 217         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 218         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 219         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 220         (pr20308a_test_SOURCES): New.
 221         (pr20308a_test_DEPENDENCIES): Likewise.
 222         (pr20308a_test_CFLAGS): Likewise.
 223         (pr20308a_test_LDFLAGS): Likewise.
 224         (pr20308a_test_LDADD): Likewise.
 225         (pr20308b_test_SOURCES): Likewise.
 226         (pr20308b_test_DEPENDENCIES): Likewise.
 227         (pr20308b_test_CFLAGS): Likewise.
 228         (pr20308b_test_LDFLAGS): Likewise.
 229         (pr20308b_test_LDADD): Likewise.
 230         (pr20308c_test_SOURCES): Likewise.
 231         (pr20308c_test_DEPENDENCIES): Likewise.
 232         (pr20308c_test_CFLAGS): Likewise.
 233         (pr20308c_test_LDFLAGS): Likewise.
 234         (pr20308c_test_LDADD): Likewise.
 235         (pr20308d_test_SOURCES): Likewise.
 236         (pr20308d_test_DEPENDENCIES): Likewise.
 237         (pr20308d_test_CFLAGS): Likewise.
 238         (pr20308d_test_LDFLAGS): Likewise.
 239         (pr20308d_test_LDADD): Likewise.
 240         (pr20308e_test_SOURCES): Likewise.
 241         (pr20308e_test_DEPENDENCIES): Likewise.
 242         (pr20308e_test_CFLAGS): Likewise.
 243         (pr20308e_test_LDFLAGS): Likewise.
 244         (pr20308e_test_LDADD): Likewise.
 245         (pr20308a.so): Likewise.
 246         (pr20308b.so): Likewise.
 247         (pr20308_gd.o): Likewise.
 248         (pr20308_ld.o): Likewise.
 249         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 250         * testsuite/Makefile.in: Regenerated.
 251         * testsuite/pr20308_def.c: New file.
 252         * testsuite/pr20308_gd.S: Likewise.
 253         * testsuite/pr20308_ld.S: Likewise.
 254         * testsuite/pr20308_main.c: Likewise.
 255
 256 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 257
 258         PR gold/20216
 259         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 260         AM_CONDITIONAL.
 261         * configure: Regenerated.
 262         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 263         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 264         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 265         call to __tls_get_addr.
 266         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 267         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 268         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 269         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 270         (pr20216a_test_SOURCES): New.
 271         (pr20216a_test_DEPENDENCIES): Likewise.
 272         (pr20216a_test_CFLAGS): Likewise.
 273         (pr20216a_test_LDFLAGS): Likewise.
 274         (pr20216a_test_LDADD): Likewise.
 275         (pr20216b_test_SOURCES): Likewise.
 276         (pr20216b_test_DEPENDENCIES): Likewise.
 277         (pr20216b_test_CFLAGS): Likewise.
 278         (pr20216b_test_LDFLAGS): Likewise.
 279         (pr20216b_test_LDADD): Likewise.
 280         (pr20216c_test_SOURCES): Likewise.
 281         (pr20216c_test_DEPENDENCIES): Likewise.
 282         (pr20216c_test_CFLAGS): Likewise.
 283         (pr20216c_test_LDFLAGS): Likewise.
 284         (pr20216c_test_LDADD): Likewise.
 285         (pr20216d_test_SOURCES): Likewise.
 286         (pr20216d_test_DEPENDENCIES): Likewise.
 287         (pr20216d_test_CFLAGS): Likewise.
 288         (pr20216d_test_LDFLAGS): Likewise.
 289         (pr20216d_test_LDADD): Likewise.
 290         (pr20216e_test_SOURCES): Likewise.
 291         (pr20216e_test_DEPENDENCIES): Likewise.
 292         (pr20216e_test_CFLAGS): Likewise.
 293         (pr20216e_test_LDFLAGS): Likewise.
 294         (pr20216e_test_LDADD): Likewise.
 295         (pr20216a.so): Likewise.
 296         (pr20216b.so): Likewise.
 297         (pr20216_gd.o): Likewise.
 298         (pr20216_ld.o): Likewise.
 299         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 300         * testsuite/Makefile.in: Regenerated.
 301         * testsuite/pr20216_def.c: New file.
 302         * testsuite/pr20216_gd.S: Likewise.
 303         * testsuite/pr20216_ld.S: Likewise.
 304         * testsuite/pr20216_main.c: Likewise.
 305
 306 2016-06-29  Alan Modra  <amodra@gmail.com>
 307
 308         * script_test_12.t: Delete .plt, specify 64k page size.
 309         * script_test_12i.t: Likewise.
 310
 311 2016-06-29  Alan Modra  <amodra@gmail.com>
 312
 313         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 314         variables.
 315
 316 2016-06-29  Alan Modra  <amodra@gmail.com>
 317
 318         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 319         * testsuite/Makefile.in: Regenerate.
 320
 321 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 322
 323         * aarch64-reloc.def (NONE): New relocation.
 324         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 325         (Target_aarch64::Scan::global): Likewise.
 326         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 327         * testsuite/Makefile.in: Regenerate.
 328         * testsuite/aarch64_reloc_none.s: New test source file.
 329         * testsuite/aarch64_reloc_none.sh: New test script.
 330
 331 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 332
 333         * x86_64.cc (Lazy_view): New class.
 334         (can_convert_mov_to_lea): Templatize function.  Make the function
 335         check for appropriate relocation types and use the view parameter
 336         to get section contents.
 337         (can_convert_callq_to_direct): New function.
 338         (Target_x86_64<size>::Scan::global): Refactor.
 339         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 340         call via GOT that can be converted.
 341         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 342         * testsuite/Makefile.in: Regenerate.
 343         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 344         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 345
 346 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 347
 348         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 349         from the top level to the places of its use.
 350
 351 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 352
 353         PR gold/18098
 354         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 355         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 356         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 357         (Output_section_element_input::print): Likewise.
 358         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 359         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 360         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 361
 362         * testsuite/Makefile.am (script_test_14): New test.
 363         * testsuite/Makefile.in: Regenerate.
 364         * testsuite/script_test_14.s: New test source file.
 365         * testsuite/script_test_14.sh: New test script.
 366         * testsuite/script_test_14.t: New test linker script.
 367
 368 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 369
 370         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 371         to R_SPARC_RELATIVE if class is ELFCLASS64.
 372         (Target_sparc::Scan::global): Likewise.
 373
 374 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 375             Igor Kudrin  <ikudrin@accesssoftek.com>
 376
 377         PR gold/15370
 378         * script-sections.cc
 379         (Output_section_element_input::set_section_addresses): Keep bin_count
 380         separate from input_pattern_count.
 381         * testsuite/script_test_12.t: Add another section .x4.
 382         * testsuite/script_test_12i.t: Likewise.
 383         * testsuite/script_test_12a.c: Likewise.
 384         * testsuite/script_test_12b.c: Likewise.
 385
 386 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 387
 388         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 389
 390 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 391
 392         PR ld/20283
 393         * NEWS: Mention --enable-relro.
 394         * configure.ac: Add --enable-relro.
 395         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 396         to 1.
 397         * config.in: Regenerated.
 398         * configure: Likewise.
 399         * options.h (General_options::relro): Default to
 400         DEFAULT_LD_Z_RELRO.
 401
 402 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 403
 404         * NEWS: Add new features in 1.12.
 405         * version.cc (version_string): Bump to 1.12.
 406
 407 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 408
 409         PR gold/20245
 410         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 411         plt_ is NULL.
 412         (Target_i386::plt_entry_size): Likewise.
 413         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 414         (Target_x86_64<size>::plt_entry_size): Likewise.
 415
 416 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 417
 418         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 419         (Target_mips::rld_map_): New data member.
 420         (Target_mips::do_finalize_sections): Add support for
 421         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 422         .rld_map section, and __RLD_MAP symbol.
 423         (Target_mips::do_dynamic_tag_custom_value): Add support for
 424         DT_MIPS_RLD_MAP_REL dynamic tag.
 425         * output.cc (Output_data_dynamic::get_entry_offset): New method
 426         definition.
 427         * output.h (Output_data_dynamic::get_entry_offset): New method
 428         declaration.
 429
 430 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 431
 432         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 433
 434 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 435
 436         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 437         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 438         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 439         (is_matching_lo16_reloc): Likewise.
 440         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 441         (Mips_output_data_plt::plt_entry_r6): New static data member for
 442         R6 PLT entry.
 443         (Target_mips::is_output_r6): New method.
 444         (Target_mips::Mips_mach): Add new enum constants.
 445         (Mips_relocate_functions::Status): Likewise.
 446         (Mips_relocate_functions::pchi16_relocs): New static data member.
 447         (Mips_relocate_functions::relpc21): New method.
 448         (Mips_relocate_functions::relpc26): Likewise.
 449         (Mips_relocate_functions::relpc18): Likewise.
 450         (Mips_relocate_functions::relpc19): Likewise.
 451         (Mips_relocate_functions::relpchi16): Likewise.
 452         (Mips_relocate_functions::do_relpchi16): Likewise.
 453         (Mips_relocate_functions::relpclo16): Likewise.
 454         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 455         entry.
 456         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 457         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 458         E_MIPS_ARCH_64R6 support.
 459         (Target_mips::update_abiflags_isa): Likewise.
 460         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 461         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 462         R_MIPS_PC19_S2.
 463         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 464         and R_MIPS_PCLO16.
 465         (Target_mips::Scan::global): Add support for relocs:
 466         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 467         (Target_mips::Relocate::relocate): Call functions for resolving
 468         Mips32r6 and Mips64r6 relocations, and print error message for
 469         STATUS_PCREL_UNALIGNED.
 470         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 471         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 472         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 473         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 474         E_MIPS_ARCH_64R6 support.
 475
 476 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 477
 478         PR gold/20246
 479         * testsuite/script_test_2.t: Add .got.plt after .got.
 480
 481 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 482
 483         * mips.cc (struct Mips_abiflags): New struct.
 484         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 485         and abiflags_.
 486         (Mips_relobj::~Mips_relobj): Delete object pointed by
 487         attributes_section_data_.
 488         (Mips_relobj::abiflags): New method.
 489         (Mips_relobj::attributes_section_data): Likewise.
 490         (Mips_relobj::attributes_section_data_): New data member.
 491         (Mips_relobj::abiflags_): Likewise.
 492         (class Mips_output_section_abiflags): New class.
 493         (Target_mips::Target_mips): Initialize attributes_section_data_,
 494         abiflags_ and has_abiflags_section_.
 495         (Target_mips::do_should_include_section): Don't emit input
 496         .MIPS.abiflags sections to output .MIPS.abiflags.
 497         (Target_mips::Mips_mach): Add new enum constants.
 498         (Target_mips::mips_isa_ext_mach): New method.
 499         (Target_mips::mips_isa_ext): Likewise.
 500         (Target_mips::update_abiflags_isa): Likewise.
 501         (Target_mips::infer_abiflags): Likewise.
 502         (Target_mips::create_abiflags): Likewise.
 503         (Target_mips::fp_abi_string): Likewise.
 504         (Target_mips::select_fp_abi): Likewise.
 505         (Target_mips::merge_obj_attributes): Likewise.
 506         (Target_mips::merge_obj_abiflags): Likewise.
 507         (Target_mips::level_rev): Likewise.
 508         (Target_mips::merge_obj_e_flags): Rename from
 509         merge_processor_specific_flags. Remove dyn_obj argument,
 510         call update_abiflags_isa when needed, compare NaN encodings and
 511         compare FP64 state.
 512         (Target_mips::add_machine_extensions): Add two machine extensions
 513         and fix one.
 514         (Target_mips::attributes_section_data_): New data member.
 515         (Target_mips::abiflags_): Likewise.
 516         (Target_mips::has_abiflags_section_): Likewise.
 517         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 518         .MIPS.abiflags sections if they exists.
 519         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 520         E_MIPS_MACH_OCTEON3 support.
 521         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 522         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 523         .MIPS.abiflags sections from input. Create these sections if
 524         needed.
 525         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 526         E_MIPS_MACH_OCTEON3 support, and change strings for
 527         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 528         to match bfd.
 529
 530 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 531
 532         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 533         has_reginfo_section_.
 534         (Mips_relobj::has_reginfo_section_): New data member.
 535         (Mips_relobj::has_reginfo_section): New method.
 536         (class Mips_output_section_reginfo): Change base class to
 537         Output_section_data, and set masks of the output .reginfo section
 538         in constructor.
 539         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 540         Remove.
 541         (Mips_output_section_reginfo::set_masks): Likewise.
 542         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 543         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 544         (Target_mips::do_make_output_section): Remove.
 545         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 546         if the object contains a .reginfo section.
 547         (Target_mips::do_finalize_sections): Create a .reginfo output
 548         section if needed.
 549
 550 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 551
 552         * mips.cc (Mips_output_data_got::do_write): Add missing template
 553         args via typedef.
 554
 555 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 556
 557         PR/19960
 558         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 559         (Target_s390::ss_code_l_r14): Removed.
 560         (Target_s390::ss_code_ear): Removed.
 561         (Target_s390::ss_code_c): Removed.
 562         (Target_s390::ss_match_st_r14): New function.
 563         (Target_s390::ss_match_l_r14): New function.
 564         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 565         of matching code directly.
 566         (Target_s390::ss_match_ear): New function.
 567         (Target_s390::ss_match_c): New function.
 568         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 569         of matching code directly.
 570
 571 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 572
 573         PR gold/19823
 574         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 575         parameter; check for protected symbol.
 576         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 577         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 578         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 579         (Symbol_table::add_from_dynobj): Mark protected symbols.
 580         * symtab.h (Symbol::is_protected): New method.
 581         (Symbol::set_is_protected): New method.
 582         (Symbol::is_protected_): New data member.
 583
 584         * testsuite/Makefile.am (copy_test_protected): New test.
 585         * testsuite/Makefile.in: Regenerate.
 586         * testsuite/copy_test.cc (main): Add legal reference to protected
 587         symbol.
 588         * testsuite/copy_test_v1.cc (main): Likewise.
 589         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 590         * testsuite/copy_test_protected.cc: New test source file.
 591         * testsuite/copy_test_protected.sh: New test script.
 592
 593 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 594
 595         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 596         for global got symbols, and set addend to 0.
 597         (Mips_got_entry::hash): Change hash algorithm.
 598         (Mips_got_entry::equals): Refactor.
 599         (Mips_got_entry::object): Return input object for local got symbols
 600         from union d.
 601         (Mips_got_entry::addend): Change return of the relocation addend.
 602         (Mips_got_entry::addend_): Move from union d.
 603         (Mips_got_entry::object_): Move into union d.
 604         (class Mips_symbol_hash): New class.
 605         (Mips_got_info::Global_got_entry_set): New type.
 606         (Mips_got_info::global_got_symbols): Change return type to
 607         Global_got_entry_set.
 608         (Mips_got_info::global_got_symbols_): Change type to
 609         Global_got_entry_set.
 610         (Mips_symbol::hash): New method.
 611         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 612         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 613         (Mips_output_data_mips_stubs::symbols_): Change type to
 614         Mips_stubs_entry_set.
 615         (Mips_got_info::record_global_got_symbol): Don't pass object
 616         argument when creating global got symbol.
 617         (Mips_got_info::record_got_entry): Remove find before inserting
 618         got entries.
 619         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 620         to Global_got_entry_set.
 621         (Mips_got_info::count_got_symbols): Likewise.
 622         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 623         for adding entries to symbols_.
 624         (Mips_output_data_la25_stub::do_write): Change type of iterator
 625         to std::vector.
 626         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 627         of iterator to Mips_stubs_entry_set.
 628         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 629         (Mips_output_data_mips_stubs::do_write): Likewise.
 630
 631 2016-05-06  Han Shen  <shenhan@google.com>
 632
 633         PR gold/19987.
 634
 635         * aarch64-reloc.def: New relocation type.
 636         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 637         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 638         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 639         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 640
 641 2016-04-28  Nick Clifton  <nickc@redhat.com>
 642
 643         * po/zh_CN.po: Updated Chinese (simplified) translation.
 644
 645 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 646
 647         * Makefile.in: Regenerated with automake 1.11.6.
 648         * aclocal.m4: Likewise.
 649         * testsuite/Makefile.in: Likewise.
 650
 651 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 652
 653         PR gold/16979
 654         * symtab.cc (Symbol_table::define_default_version): Check for case
 655         where symbols are both in different shared objects.
 656
 657 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 658
 659         PR gold/16111
 660         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 661         R_386_GOTOFF.
 662
 663 2016-03-22  Nick Clifton  <nickc@redhat.com>
 664
 665         * configure: Regenerate.
 666
 667 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 668
 669         PR gold/19842
 670         * errors.cc (Errors::undefined_symbol): Add info message when
 671         symbol should have been provided by a plugin.
 672         * target-reloc.h (issue_undefined_symbol_error): Check for
 673         placeholder symbols defined in discarded sections.
 674         * testsuite/Makefile.am (plugin_test_9b): New test case.
 675         * testsuite/Makefile.in: Regenerate.
 676         * testsuite/plugin_test_9b_elf.cc: New test source file.
 677         * testsuite/plugin_test_9b_ir.cc: New test source file.
 678
 679 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 680
 681         PR gold/19002
 682         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 683         * testsuite/Makefile.am (eh_test_2): New test.
 684         * testsuite/Makefile.in: Regenerate.
 685         * testsuite/eh_test_2.sh: New test script.
 686         * testsuite/eh_test_a.cc (bar): Make it comdat.
 687         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 688
 689 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 690
 691         * mips.cc (Mips_relobj::is_n64_): Remove.
 692         (Target_mips::ei_class_): Likewise.
 693         (Mips_relobj::is_newabi): Call methods.
 694         (Mips_relobj::is_n64): Change checking for N64 ABI.
 695         (Target_mips::is_output_n64): Likewise.
 696         (Target_mips::merge_processor_specific_flags): Remove ei_class
 697         argument, and remove comparing ei_class.
 698         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 699         of the ELF header.
 700         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 701         to merge_processor_specific_flags.
 702         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 703         change checking for N64 ABI.
 704
 705 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 706
 707         * mips.cc (enum Special_relocation_symbol): New enum type.
 708         (is_readonly_section): New function.
 709         (eh_reloc): Likewise.
 710         (Mips_got_entry::is_section_symbol_): New member.
 711         (Mips_got_entry::is_section_symbol): New method.
 712         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 713         argument.
 714         (Mips_relobj::mips_elf_options_section_name): New method.
 715         (Mips_output_data_got::record_local_got_symbol): Add
 716         is_section_symbol argument, and pass it to
 717         Mips_got_info::record_local_got_symbol.
 718         (Mips_output_data_got::got_offset): Add addend argument, and pass
 719         it to Relobj::local_got_offset.
 720         (struct Mips_output_reloc_writer): New type.
 721         (class Mips_output_data_reloc): New class.
 722         (Mips_output_data_plt::Reloc_section): Change type to
 723         Mips_output_data_reloc.
 724         (Target_mips::Reloc_section): Likewise.
 725         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 726         (Mips_classify_reloc::get_r_type2): New method.
 727         (Mips_classify_reloc::get_r_type3): Likewise.
 728         (Mips_classify_reloc::get_r_ssym): Likewise.
 729         (Target_mips::Reloca_section): Remove.
 730         (Relocate::should_apply_static_reloc): Rename from
 731         should_apply_r_mips_32_reloc.
 732         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 733         and r_offset.
 734         (Mips_relocate_functions::Valtype): New type.
 735         (Mips_relocate_functions::Valtype64): New type.
 736         (Mips_relocate_functions::check_overflow): New method.
 737         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 738         interface.
 739         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 740         (Mips_relocate_functions::rel16): Add support for resolving
 741         relocations for Mips64.
 742         (Mips_relocate_functions::rel32): Likewise.
 743         (Mips_relocate_functions::reljalr): Likewise.
 744         (Mips_relocate_functions::relpc32): Likewise.
 745         (Mips_relocate_functions::rel26): Likewise.
 746         (Mips_relocate_functions::relpc16): Likewise.
 747         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 748         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 749         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 750         (Mips_relocate_functions::do_relhi16): Likewise.
 751         (Mips_relocate_functions::do_relgot16_local): Likewise.
 752         (Mips_relocate_functions::rello16): Likewise.
 753         (Mips_relocate_functions::relgot): Likewise.
 754         (Mips_relocate_functions::relgotpage): Likewise.
 755         (Mips_relocate_functions::relgotofst): Likewise.
 756         (Mips_relocate_functions::relgot_hi16): Likewise.
 757         (Mips_relocate_functions::relgot_lo16): Likewise.
 758         (Mips_relocate_functions::relgprel): Likewise.
 759         (Mips_relocate_functions::relgprel32): Likewise.
 760         (Mips_relocate_functions::tlsrelhi16): Likewise.
 761         (Mips_relocate_functions::tlsrello16): Likewise.
 762         (Mips_relocate_functions::tlsrel32): Likewise.
 763         (Mips_relocate_functions::relsub): Likewise.
 764         (Mips_relocate_functions::releh): New method.
 765         (Mips_relocate_functions::rel64): Likewise.
 766         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 767         pass it to Mips_got_entry.
 768         (Mips_got_info::add_local_entries): Pass addend argument
 769         to code functions, and for STT_SECTION symbols call
 770         add_symbolless_local_addend.
 771         (Mips_got_info::add_tls_entries): Pass addend argument to code
 772         functions.
 773         (Mips_relobj::do_read_symbols): Read gp value that was used to
 774         create object.
 775         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 776         instruction. Opcode for instruction will be selected later.
 777         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 778         (Target_mips::scan_relocatable_relocs): Likewise.
 779         (Target_mips::emit_relocs_scan): Likewise.
 780         (Target_mips::relocate_relocs): Likewise.
 781         (Target_mips::do_finalize_sections): Skip objects for merging
 782         processor specific flags in which all input sections will be
 783         discarded.
 784         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 785         (Target_mips::Scan::get_reference_flags): Likewise.
 786         (Target_mips::relocate_special_relocatable): Call rel26 method with
 787         calculate_only and calculated_value arguments.
 788         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 789         dynamic relocation against a readonly sections, and pass
 790         is_section_symbol to Mips_got_info::record_local_got_symbol.
 791         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 792         dynamic relocation against a readonly sections, and pass r_type
 793         and r_offset to Target_mips::copy_reloc.
 794         (Target_mips::Relocate::relocate): Add support for resolving
 795         relocations for Mips64.
 796         (Target_mips::mips_info): Add case for Mips64 default dynamic
 797         linker name.
 798         (Target_selector_mips): Correct emulation names.
 799
 800 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 801
 802         * mips.cc (class Mips_output_data_la25_stub): Add
 803         do_print_to_mapfile function.
 804
 805 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 806
 807         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 808         elf_r_info.
 809
 810 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 811
 812         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 813         * testsuite/plugin_layout_with_alignment.c: This.
 814         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 815         (plugin_layout_with_alignment): Likewise.
 816         * testsuite/Makefile.in: Regenerated.
 817
 818 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 819
 820         PR 19751
 821         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 822         for constructor.
 823         * testsuite/Makefile.in: Regenerate.
 824         * testsuite/dynamic_list.sh: Likewise.
 825         * testsuite/retain_symbols_file_test.sh: Likewise.
 826
 827 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 828
 829         PR 19751
 830         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 831         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 832
 833 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 834             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 835
 836         * output.cc (Output_reloc_writer): New type.
 837         (Output_data_reloc_base::do_write): Move implementation to template
 838         in output.h and replace with invocation of template.
 839         * output.h (Output_file): Move to top of file.
 840         (Output_reloc::get_symbol_index): Move to public interface.
 841         (Output_reloc::get_address): Likewise.
 842         (Output_data_reloc_base::do_write_generic): New function template.
 843
 844 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 845
 846         PR gold/19019
 847         PR gold/19763
 848         * symtab.cc: Instantiate Sized_symbol::init_constant and
 849         Sized_symbol::init_undefined.
 850
 851 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 852
 853         PR gold/19019
 854         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 855         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 856         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 857         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 858         (Target_sparc::do_is_defined_by_abi): Remove test for
 859         STT_SPARC_REGISTER.
 860         (Target_sparc::Register_symbol): New struct type.
 861         (Target_sparc::register_syms_): New data member.
 862         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 863         (Target_sparc::make_symbol): New function.
 864         (Target_sparc::do_finalize_sections): Add register symbols and new
 865         dynamic table entries.
 866         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 867         (Symbol_table::add_target_global_symbol): New function.
 868         (Symbol_table::target_symbols_): New data member.
 869         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 870         (Symbol_table::Symbol_table): Initialize target_symbols_.
 871         (Symbol_table::add_from_object): Pass additional parameters to
 872         Target::make_symbol.
 873         (Symbol_table::define_special_symbol): Likewise.
 874         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 875         undefined symbol value.
 876         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 877         (Symbol_table::sized_finalize): Likewise.
 878         (Symbol_table::sized_write_globals): Likewise.
 879         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 880         st_shndx, and value parameters.
 881
 882 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 883
 884         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 885         LDPK_WEAKUNDEF symbols.
 886
 887 2016-03-03  Than McIntosh  <thanm@google.com>
 888
 889         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 890         and get_input_section_alignment in transfer vector.
 891         (get_input_section_alignment): New function.
 892         (get_input_section_size): New function.
 893         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 894         * testsuite/Makefile.in: [Regenerate.]
 895         * testsuite/plugin_section_alignment.cc: New test file.
 896         * testsuite/plugin_layout_with_alignment.cc: New test file.
 897         * testsuite/plugin_layout_with_alignment.sh: New test file.
 898
 899 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 900
 901         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 902         parameter.
 903         * plugin.cc (get_symbols_v3): New function.
 904         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 905         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 906         new version.
 907
 908 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 909             Cary Coutant  <ccoutant@gmail.com>
 910
 911         PR gold/19735
 912         * ehframe.h (Cie::fde_encoding): New method.
 913         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 914         address ranges.
 915
 916 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 917
 918         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 919         -mrelax-relocations=yes to $(TEST_AS).
 920         (x86_64_mov_to_lea6.o): Likewise.
 921         (x86_64_overflow_pc32.o): Remove duplicated target.
 922         * testsuite/Makefile.in: Regenerated.
 923
 924 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 925
 926         * s390.cc (Target_s390::match_view_u): New helper method.
 927         (Target_s390::do_is_call_to_non_split): New method.
 928         (Target_s390::ss_code_st_r14): New const.
 929         (Target_s390::ss_code_l_r14): New const.
 930         (Target_s390::ss_code_bras_8): New const.
 931         (Target_s390::ss_code_l_basr): New const.
 932         (Target_s390::ss_code_a_basr): New const.
 933         (Target_s390::ss_code_ear): New const.
 934         (Target_s390::ss_code_c): New const.
 935         (Target_s390::ss_code_larl): New const.
 936         (Target_s390::ss_code_brasl): New const.
 937         (Target_s390::ss_code_jg): New const.
 938         (Target_s390::ss_code_jgl): New const.
 939         (Target_s390::ss_match_mcount): New helper method.
 940         (Target_s390::ss_match_l): New helper method.
 941         (Target_s390::ss_match_ahi): New helper method.
 942         (Target_s390::ss_match_alfi): New helper method.
 943         (Target_s390::ss_match_cr): New helper method.
 944         (Target_s390::do_calls_non_split): New method.
 945         * testsuite/Makefile.am: Added new tests.
 946         * testsuite/Makefile.in: Regenerate.
 947         * testsuite/split_s390.sh: New test.
 948         * testsuite/split_s390_1_a1.s: New test.
 949         * testsuite/split_s390_1_a2.s: New test.
 950         * testsuite/split_s390_1_n1.s: New test.
 951         * testsuite/split_s390_1_n2.s: New test.
 952         * testsuite/split_s390_1_z1.s: New test.
 953         * testsuite/split_s390_1_z2.s: New test.
 954         * testsuite/split_s390_1_z3.s: New test.
 955         * testsuite/split_s390_1_z4.s: New test.
 956         * testsuite/split_s390_2_ns.s: New test.
 957         * testsuite/split_s390_2_s.s: New test.
 958         * testsuite/split_s390x_1_a1.s: New test.
 959         * testsuite/split_s390x_1_a2.s: New test.
 960         * testsuite/split_s390x_1_n1.s: New test.
 961         * testsuite/split_s390x_1_n2.s: New test.
 962         * testsuite/split_s390x_1_z1.s: New test.
 963         * testsuite/split_s390x_1_z2.s: New test.
 964         * testsuite/split_s390x_1_z3.s: New test.
 965         * testsuite/split_s390x_1_z4.s: New test.
 966         * testsuite/split_s390x_2_ns.s: New test.
 967         * testsuite/split_s390x_2_s.s: New test.
 968
 969 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 970
 971         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 972         info message for every erratum 843419 found and fixed.
 973
 974 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 975
 976         PR gold/18695
 977         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 978         information to relocation overflow errors.
 979
 980 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 981
 982         PR gold/18695
 983         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 984         overflow checking when symbol value + addend < 0.
 985
 986 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 987
 988         PR gold/19577
 989         * reloc.h (Limits): New class.
 990         (Bits::has_overflow32): Use min/max values from Limits.
 991         (Bits::has_unsigned_overflow32): Likewise.
 992         (Bits::has_signed_unsigned_overflow32): Likewise.
 993         (Bits::has_overflow): Likewise.
 994         (Bits::has_unsigned_overflow): Likewise.
 995         (Bits::has_signed_unsigned_overflow64): Likewise.
 996
 997 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 998
 999         PR gold/19567
1000         * reloc.h (Relocate_functions::Overflow_check): Add comments.
1001         * x86_64.cc (X86_64_relocate_functions): New class.
1002         (Target_x86_64::Relocate::relocate): Use the new class.
1003         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
1004         (x32_overflow_pc32): New test case.
1005         * testsuite/Makefile.in: Regenerate.
1006         * testsuite/x32_overflow_pc32.sh: New script.
1007         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
1008
1009 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1010
1011         PR gold/19577
1012         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
1013         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
1014
1015 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1016
1017         PR gold/19577
1018         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
1019         comparison.
1020         (Bits::has_unsigned_overflow): Likewise.
1021
1022 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
1023
1024         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
1025         parameters.
1026         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1027         and view_size to is_call_to_non_split.
1028         * target.cc (Target::is_call_to_non_split): Add view and view_size
1029         parameters.
1030         * target.h (class Target): Likewise.
1031
1032 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1033
1034         * icf.cc (get_rel_addend): New function.
1035         (get_section_contents):  Move merge section addend computation to a
1036         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1037         Fix bug to not read past the length of the section.
1038
1039 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1040             Andrew Senkevich  <andrew.senkevich@intel.com>
1041
1042         PR gold/18695
1043         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1044         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1045         R_X86_64_PLT32.
1046         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1047         * testsuite/x86_64_overflow_pc32.sh: New test script.
1048         * testsuite/x86_64_overflow_pc32.s: New source file.
1049
1050 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1051
1052         PR gold/18695
1053         * reloc.h (Relocate_functions::Address): New typedef.
1054         (Relocate_functions::Addendtype): New typedef.
1055         (Relocate_functions::Overflow_check): New enum type.
1056         (Relocate_functions::Reloc_status): New enum type.
1057         (Relocate_functions::check_overflow): New function template.
1058         (Relocate_functions::rel): Add check parameter; check for overflow.
1059         (Relocate_functions::rel_unaligned): Likewise.
1060         (Relocate_functions::rela): Likewise.
1061         (Relocate_functions::pcrel): Likewise.
1062         (Relocate_functions::pcrel_unaligned): Likewise.
1063         (Relocate_functions::pcrela): Likewise.
1064         (Relocate_functions::rel8): Adjust parameter types.
1065         (Relocate_functions::rela8): Likewise.
1066         (Relocate_functions::pcrel8): Likewise.
1067         (Relocate_functions::pcrela8): Likewise.
1068         (Relocate_functions::rel16): Likewise.
1069         (Relocate_functions::rela168): Likewise.
1070         (Relocate_functions::pcrel16): Likewise.
1071         (Relocate_functions::pcrela16): Likewise.
1072         (Relocate_functions::rel32): Likewise.
1073         (Relocate_functions::rel32_unaligned): Likewise.
1074         (Relocate_functions::rela32): Likewise.
1075         (Relocate_functions::pcrel32): Likewise.
1076         (Relocate_functions::pcrel32_unaligned): Likewise.
1077         (Relocate_functions::pcrela32): Likewise.
1078         (Relocate_functions::rel8_check): New function.
1079         (Relocate_functions::rela8_check): New function.
1080         (Relocate_functions::pcrel8_check): New function.
1081         (Relocate_functions::pcrela8_check): New function.
1082         (Relocate_functions::rel16_check): New function.
1083         (Relocate_functions::rela168_check): New function.
1084         (Relocate_functions::pcrel16_check): New function.
1085         (Relocate_functions::pcrela16_check): New function.
1086         (Relocate_functions::rel32_check): New function.
1087         (Relocate_functions::rel32_unaligned_check): New function.
1088         (Relocate_functions::rela32_check): New function.
1089         (Relocate_functions::pcrel32_check): New function.
1090         (Relocate_functions::pcrel32_unaligned_check): New function.
1091         (Relocate_functions::pcrela32_check): New function.
1092         (Bits::has_unsigned_overflow32): New function.
1093         (Bits::has_unsigned_overflow): New function.
1094         * testsuite/Makefile.am (overflow_unittest): New test.
1095         * testsuite/Makefile.in: Regenerate.
1096         * testsuite/overflow_unittest.cc: New source file.
1097
1098 2016-02-04  Alan Modra  <amodra@gmail.com>
1099
1100         * powerpc.cc (relocate): Adjust last patch for big-endian.
1101
1102 2016-02-02  Alan Modra  <amodra@gmail.com>
1103
1104         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1105
1106 2016-01-15 Han Shen  <shenhan@google.com>
1107
1108         PR gold/19472 - need pc-relative stubs.
1109
1110         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1111         stub type for DSOs and pie executables.
1112
1113 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1114
1115         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1116         'typename'.
1117
1118 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1119
1120         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1121         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1122         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1123         specializations) New method.
1124
1125 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1126
1127         PR gold/19353
1128         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1129         we have a TLS segment for GD-to-IE optimization.
1130         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1131         Adjust all calls.
1132         (Target_i386::tls_desc_gd_to_ie): Likewise.
1133         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1134         for TLSDESC GD-to-IE optimizations.
1135         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1136         Adjust all calls.
1137         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1138         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1139         for TLSDESC GD-to-IE optimizations.
1140
1141 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1142
1143         Refactor gold to enable support for MIPS-64 relocation format.
1144
1145         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1146         (gc_process_relocs): Remove sh_type template parameter.
1147         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1148         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1149         parameter.
1150         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1151         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1152         specializations) Remove.
1153         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1154         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1155         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1156         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1157         Adjust all callers.
1158         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1159         Target::get_r_sym() to get r_sym field from relocations.
1160         (Track_relocs::next_symndx): Call Target::get_r_sym().
1161         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1162         add Classify_reloc template parameter.  Use for accessing r_sym and
1163         r_type.
1164         (relocate_section): Likewise.
1165         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1166         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1167         (Default_scan_relocatable_relocs::Reltype): New typedef.
1168         (Default_scan_relocatable_relocs::reloc_size): New const.
1169         (Default_scan_relocatable_relocs::sh_type): New const.
1170         (Default_scan_relocatable_relocs::get_r_sym): New method.
1171         (Default_scan_relocatable_relocs::get_r_type): New method.
1172         (Default_emit_relocs_strategy): New class.
1173         (scan_relocatable_relocs): Replace sh_type template parameter with
1174         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1175         fields.
1176         (relocate_relocs): Replace sh_type template parameter with
1177         Classify_reloc class.  Use it to access r_sym and r_type fields.
1178         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1179         with pointer to relocation. Adjust all callers.
1180         (Target::do_is_call_to_non_split): Likewise.
1181         (Target::emit_relocs_scan): New virtual method.
1182         (Sized_target::get_r_sym): New virtual method.
1183         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1184         with pointer to relocation.
1185
1186         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1187         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1188         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1189         (Target_aarch64::scan_relocs): Likewise.
1190         (Target_aarch64::relocate_section): Likewise.
1191         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1192         Remove.
1193         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1194         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1195         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1196         template parameter.
1197         (Target_arm::emit_relocs_scan): New method.
1198         (Target_arm::Relocatable_size_for_reloc): Replace with...
1199         (Target_arm::Classify_reloc): ...this.
1200         (Target_arm::gc_process_relocs): Use Classify_reloc.
1201         (Target_arm::scan_relocs): Likewise.
1202         (Target_arm::relocate_section): Likewise.
1203         (Target_arm::scan_relocatable_relocs): Likewise.
1204         (Target_arm::relocate_relocs): Likewise.
1205         * i386.cc (Target_i386::emit_relocs_scan): New method.
1206         (Target_i386::Relocatable_size_for_reloc): Replace with...
1207         (Target_i386::Classify_reloc): ...this.
1208         (Target_i386::gc_process_relocs): Use Classify_reloc.
1209         (Target_i386::scan_relocs): Likewise.
1210         (Target_i386::relocate_section): Likewise.
1211         (Target_i386::scan_relocatable_relocs): Likewise.
1212         (Target_i386::relocate_relocs): Likewise.
1213         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1214         parameter.
1215         (Mips_reloc_types): New class template.
1216         (Mips_classify_reloc): New class template.
1217         (Target_mips::Reltype): New typedef.
1218         (Target_mips::Relatype): New typedef.
1219         (Target_mips::emit_relocs_scan): New method.
1220         (Target_mips::get_r_sym): New method.
1221         (Target_mips::Relocatable_size_for_reloc): Replace with
1222         Mips_classify_reloc.
1223         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1224         (Target_mips::gc_process_relocs): Likewise.
1225         (Target_mips::scan_relocs): Likewise.
1226         (Target_mips::relocate_section): Likewise.
1227         (Target_mips::scan_relocatable_relocs): Likewise.
1228         (Target_mips::relocate_relocs): Likewise.
1229         (mips_get_size_for_reloc): New function, factored out from
1230         Relocatable_size_for_reloc::get_size_for_reloc.
1231         (Target_mips::Scan::local): Use Mips_classify_reloc.
1232         (Target_mips::Scan::global): Likewise.
1233         (Target_mips::Relocate::relocate): Likewise.
1234         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1235         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1236         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1237         (Target_powerpc::scan_relocs): Likewise.
1238         (Target_powerpc::relocate_section): Likewise.
1239         (Powerpc_scan_relocatable_reloc): Convert to class template.
1240         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1241         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1242         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1243         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1244         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1245         (Target_powerpc::scan_relocatable_relocs): Use
1246         Powerpc_scan_relocatable_reloc.
1247         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1248         * s390.cc (Target_s390::emit_relocs_scan): New method.
1249         (Target_s390::Relocatable_size_for_reloc): Remove.
1250         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1251         (Target_s390::scan_relocs): Likewise.
1252         (Target_s390::relocate_section): Likewise.
1253         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1254         Remove.
1255         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1256         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1257         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1258         (Target_sparc::Relocatable_size_for_reloc): Remove.
1259         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1260         (Target_sparc::scan_relocs): Likewise.
1261         (Target_sparc::relocate_section): Likewise.
1262         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1263         Remove.
1264         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1265         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1266         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1267         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1268         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1269         (Target_tilegx::scan_relocs): Likewise.
1270         (Target_tilegx::relocate_section): Likewise.
1271         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1272         Remove.
1273         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1274         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1275         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1276         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1277         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1278         (Target_x86_64::scan_relocs): Likewise.
1279         (Target_x86_64::relocate_section): Likewise.
1280         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1281         Remove.
1282         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1283         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1284
1285         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1286
1287 2016-01-01  Alan Modra  <amodra@gmail.com>
1288
1289         Update year range in copyright notice of all files.
1290
1291 For older changes see ChangeLog-0815
1292 \f
1293 Copyright (C) 2016 Free Software Foundation, Inc.
1294
1295 Copying and distribution of this file, with or without modification,
1296 are permitted in any medium without royalty provided the copyright
1297 notice and this notice are preserved.
1298
1299 Local Variables:
1300 mode: change-log
1301 left-margin: 8
1302 fill-column: 74
1303 version-control: never
1304 End: