gold/ChangeLog

   1 2016-11-22  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
   2
   3         * configure: Regenerate.
   4
   5 2016-11-21  Cary Coutant  <ccoutant@gmail.com>
   6
   7         PR gold/20693
   8         * gold.cc (queue_middle_tasks): Force valid target earlier.
   9
  10 2016-11-21  Igor Kudrin  <ikudrin@accesssoftek.com>
  11
  12         * layout.cc: Include windows.h and rpcdce.h (for MinGW32).
  13         (Layout::create_build_id): Generate uuid using UuidCreate().
  14
  15 2016-11-04  Loïc Yhuel <loic.yhuel@softathome.com>
  16
  17         * configure.ac: add missing '$'.
  18         * configure: Regenerate.
  19
  20 2016-10-21  Gergely Nagy  <ngg@tresorit.com>
  21
  22         PR gold/17704
  23         * icf.cc (match_sections): Add new parameter section_addraligns.
  24         Check section alignment and keep the section with the strictest
  25         alignment.
  26         (find_identical_sections): New local variable section_addraligns.
  27         Store each section's alignment.
  28         * testsuite/pr17704a_test.s: New file.
  29         * testsuite/Makefile.am (pr17704a_test): New test.
  30         * testsuite/Makefile.in: Regenerate.
  31
  32 2016-10-06  Alan Modra  <amodra@gmail.com>
  33
  34         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
  35         through comment.
  36         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  37
  38 2016-10-06  Alan Modra  <amodra@gmail.com>
  39
  40         * aarch64.cc: Spell fall through comments as "// Fall through.".
  41         * arm.cc: Likewise.
  42         * mips.cc: Likewise.
  43         * powerpc.cc: Likewise.
  44         * s390.cc: Likewise.
  45         * sparc.cc: Likewise.
  46         * x86_64.cc: Likewise.
  47         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  48         fall through comments.
  49         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  50         (Target_sparc::Relocate::relocate): Likewise.
  51         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  52         * resolve.cc (symbol_to_bits): Add missing break.
  53
  54 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  55
  56         PR gold/20238
  57         * symtab.cc (Symbol_table::define_default_version): Check that
  58         unversioned symbol is defined.
  59
  60 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
  61
  62         * Makefile.in: Regenerate.
  63         * configure: Likewise.
  64         * testsuite/Makefile.in: Likewise.
  65
  66 2016-09-26  Alan Modra  <amodra@gmail.com>
  67
  68         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
  69         compiler warning.
  70         * output.cc (Output_segment::set_section_addresses): Likewise.
  71         * testsuite/Makefile.in: Regenerate.
  72
  73 2016-09-02  Doug Kwan  <dougkwan@google.com>
  74
  75         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  76         class definition.  Add code to handle --target1-rel, --target1-abs
  77         and --target2= options.
  78         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  79         and const.
  80         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  81         member declaration.
  82         (Target_arm::Scan::local, Target_arm::Scan::global,
  83         Target_arm::Relocate::relocate,
  84         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  85         call to Target_arm::get_real_reloc_type.
  86         (Target_arm::get_real_reloc_type): Use command line options to
  87         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  88         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  89         options.
  90
  91 2016-08-31  Alan Modra  <amodra@gmail.com>
  92
  93         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  94         and has14_.  Add group_size_.
  95         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  96         debug info when switching to adding sections before stubs.
  97
  98 2016-08-31  Alan Modra  <amodra@gmail.com>
  99
 100         * debug.h (DEBUG_TARGET): New.
 101         (DEBUG_ALL): Add DEBUG_TARGET.
 102         (gold_debug): Delete FORMAT param.
 103         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
 104
 105 2016-08-30  Alan Modra  <amodra@gmail.com>
 106
 107         PR 20523
 108         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
 109         (Stub_control::can_add_to_stub_group): Correct grouping of
 110         sections containing 14-bit external branches.  When returning
 111         false, set state_ to reflect the fact that we have one section
 112         for the next group.  Rewrite most of function for clarity.
 113         Add and expand comments.
 114         (Target_powerpc::do_relax): Print stub group size retry in hex.
 115
 116 2016-08-26  Han Shen  <shenhan@google.com>
 117
 118         PR gold/20529 - relaxing loop never ends.
 119
 120         * powerpc.cc (Stub_table::min_size_threshold_): New member to
 121         limit size.
 122         (Stub_table::set_min_size_threshold): New member function.
 123         (Stub_table::set_address_and_size): Add code to only allow size
 124         increase.
 125         (Target_powerpc::do_relax): Add code to record last size.
 126
 127 2016-08-23  Roland McGrath  <roland@hack.frob.com>
 128
 129         * options.h (General_options): Grok -z stack-size.
 130         * output.h (Output_segment::set_size): New method.
 131         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 132         (Layout::create_stack_segment): ... this.  Always create the
 133         segment if -z stack-size was used.
 134         (Layout::set_segment_offsets): Don't call ->set_offset on the
 135         PT_GNU_STACK segment.
 136
 137 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 138
 139         * options.h (General_options): Add --be8 option.
 140         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 141         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 142         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 143         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 144         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 145
 146 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 147
 148         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 149         error message.
 150         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 151         (pr20308a): Add -Bgcctestdir/ to compile rules.
 152         * testsuite/Makefile.in: Regenerate.
 153
 154 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 155
 156         PR gold/20462
 157         * script-sections.cc (Script_sections::release_segments):
 158         Reset this->segments_created_.
 159
 160 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 161
 162         * yyscript.y (HIDDEN): New %token.
 163         (assignment): Handle HIDDEN(string = expr) syntax.
 164         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 165
 166 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 167
 168         PR gold/20216
 169         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 170         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 171         error message.
 172         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 173         (pr20216_ld.o): Likewise.
 174         * testsuite/Makefile.in: Regenerate.
 175
 176 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 177
 178         PR gold/20443
 179         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 180         which will be present for STT_SPARC_REGISTER.
 181         (Symbol_table::add_from_pluginobj): Likewise.
 182         (Symbol_table::add_from_dynobj): Likewise.
 183         (Symbol_table::add_from_incrobj): Removed dead code.
 184
 185 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 186
 187         PR gold/20442
 188         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 189         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 190
 191 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 192
 193         PR gold/20441
 194         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 195         sparc64.
 196
 197 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 198
 199         PR gold/20310
 200         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 201
 202 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 203
 204         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 205         * testsuite/Makefile.in: Regenerate.
 206
 207 2016-06-30  Alan Modra  <amodra@gmail.com>
 208
 209         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 210         -Wl,-z to gcc, not plain -z.
 211         * testsuite/Makefile.in: Regenerate.
 212
 213 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 214
 215         PR gold/20308
 216         * i386.cc (Target_i386::Relocate::relocate): Allow
 217         R_386_GOT32X relocation against ___tls_get_addr.
 218         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 219         call to __tls_get_addr.
 220         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 221         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 222         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 223         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 224         (pr20308a_test_SOURCES): New.
 225         (pr20308a_test_DEPENDENCIES): Likewise.
 226         (pr20308a_test_CFLAGS): Likewise.
 227         (pr20308a_test_LDFLAGS): Likewise.
 228         (pr20308a_test_LDADD): Likewise.
 229         (pr20308b_test_SOURCES): Likewise.
 230         (pr20308b_test_DEPENDENCIES): Likewise.
 231         (pr20308b_test_CFLAGS): Likewise.
 232         (pr20308b_test_LDFLAGS): Likewise.
 233         (pr20308b_test_LDADD): Likewise.
 234         (pr20308c_test_SOURCES): Likewise.
 235         (pr20308c_test_DEPENDENCIES): Likewise.
 236         (pr20308c_test_CFLAGS): Likewise.
 237         (pr20308c_test_LDFLAGS): Likewise.
 238         (pr20308c_test_LDADD): Likewise.
 239         (pr20308d_test_SOURCES): Likewise.
 240         (pr20308d_test_DEPENDENCIES): Likewise.
 241         (pr20308d_test_CFLAGS): Likewise.
 242         (pr20308d_test_LDFLAGS): Likewise.
 243         (pr20308d_test_LDADD): Likewise.
 244         (pr20308e_test_SOURCES): Likewise.
 245         (pr20308e_test_DEPENDENCIES): Likewise.
 246         (pr20308e_test_CFLAGS): Likewise.
 247         (pr20308e_test_LDFLAGS): Likewise.
 248         (pr20308e_test_LDADD): Likewise.
 249         (pr20308a.so): Likewise.
 250         (pr20308b.so): Likewise.
 251         (pr20308_gd.o): Likewise.
 252         (pr20308_ld.o): Likewise.
 253         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 254         * testsuite/Makefile.in: Regenerated.
 255         * testsuite/pr20308_def.c: New file.
 256         * testsuite/pr20308_gd.S: Likewise.
 257         * testsuite/pr20308_ld.S: Likewise.
 258         * testsuite/pr20308_main.c: Likewise.
 259
 260 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 261
 262         PR gold/20216
 263         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 264         AM_CONDITIONAL.
 265         * configure: Regenerated.
 266         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 267         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 268         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 269         call to __tls_get_addr.
 270         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 271         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 272         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 273         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 274         (pr20216a_test_SOURCES): New.
 275         (pr20216a_test_DEPENDENCIES): Likewise.
 276         (pr20216a_test_CFLAGS): Likewise.
 277         (pr20216a_test_LDFLAGS): Likewise.
 278         (pr20216a_test_LDADD): Likewise.
 279         (pr20216b_test_SOURCES): Likewise.
 280         (pr20216b_test_DEPENDENCIES): Likewise.
 281         (pr20216b_test_CFLAGS): Likewise.
 282         (pr20216b_test_LDFLAGS): Likewise.
 283         (pr20216b_test_LDADD): Likewise.
 284         (pr20216c_test_SOURCES): Likewise.
 285         (pr20216c_test_DEPENDENCIES): Likewise.
 286         (pr20216c_test_CFLAGS): Likewise.
 287         (pr20216c_test_LDFLAGS): Likewise.
 288         (pr20216c_test_LDADD): Likewise.
 289         (pr20216d_test_SOURCES): Likewise.
 290         (pr20216d_test_DEPENDENCIES): Likewise.
 291         (pr20216d_test_CFLAGS): Likewise.
 292         (pr20216d_test_LDFLAGS): Likewise.
 293         (pr20216d_test_LDADD): Likewise.
 294         (pr20216e_test_SOURCES): Likewise.
 295         (pr20216e_test_DEPENDENCIES): Likewise.
 296         (pr20216e_test_CFLAGS): Likewise.
 297         (pr20216e_test_LDFLAGS): Likewise.
 298         (pr20216e_test_LDADD): Likewise.
 299         (pr20216a.so): Likewise.
 300         (pr20216b.so): Likewise.
 301         (pr20216_gd.o): Likewise.
 302         (pr20216_ld.o): Likewise.
 303         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 304         * testsuite/Makefile.in: Regenerated.
 305         * testsuite/pr20216_def.c: New file.
 306         * testsuite/pr20216_gd.S: Likewise.
 307         * testsuite/pr20216_ld.S: Likewise.
 308         * testsuite/pr20216_main.c: Likewise.
 309
 310 2016-06-29  Alan Modra  <amodra@gmail.com>
 311
 312         * script_test_12.t: Delete .plt, specify 64k page size.
 313         * script_test_12i.t: Likewise.
 314
 315 2016-06-29  Alan Modra  <amodra@gmail.com>
 316
 317         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 318         variables.
 319
 320 2016-06-29  Alan Modra  <amodra@gmail.com>
 321
 322         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 323         * testsuite/Makefile.in: Regenerate.
 324
 325 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 326
 327         * aarch64-reloc.def (NONE): New relocation.
 328         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 329         (Target_aarch64::Scan::global): Likewise.
 330         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 331         * testsuite/Makefile.in: Regenerate.
 332         * testsuite/aarch64_reloc_none.s: New test source file.
 333         * testsuite/aarch64_reloc_none.sh: New test script.
 334
 335 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 336
 337         * x86_64.cc (Lazy_view): New class.
 338         (can_convert_mov_to_lea): Templatize function.  Make the function
 339         check for appropriate relocation types and use the view parameter
 340         to get section contents.
 341         (can_convert_callq_to_direct): New function.
 342         (Target_x86_64<size>::Scan::global): Refactor.
 343         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 344         call via GOT that can be converted.
 345         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 346         * testsuite/Makefile.in: Regenerate.
 347         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 348         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 349
 350 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 351
 352         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 353         from the top level to the places of its use.
 354
 355 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 356
 357         PR gold/18098
 358         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 359         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 360         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 361         (Output_section_element_input::print): Likewise.
 362         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 363         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 364         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 365
 366         * testsuite/Makefile.am (script_test_14): New test.
 367         * testsuite/Makefile.in: Regenerate.
 368         * testsuite/script_test_14.s: New test source file.
 369         * testsuite/script_test_14.sh: New test script.
 370         * testsuite/script_test_14.t: New test linker script.
 371
 372 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 373
 374         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 375         to R_SPARC_RELATIVE if class is ELFCLASS64.
 376         (Target_sparc::Scan::global): Likewise.
 377
 378 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 379             Igor Kudrin  <ikudrin@accesssoftek.com>
 380
 381         PR gold/15370
 382         * script-sections.cc
 383         (Output_section_element_input::set_section_addresses): Keep bin_count
 384         separate from input_pattern_count.
 385         * testsuite/script_test_12.t: Add another section .x4.
 386         * testsuite/script_test_12i.t: Likewise.
 387         * testsuite/script_test_12a.c: Likewise.
 388         * testsuite/script_test_12b.c: Likewise.
 389
 390 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 391
 392         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 393
 394 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 395
 396         PR ld/20283
 397         * NEWS: Mention --enable-relro.
 398         * configure.ac: Add --enable-relro.
 399         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 400         to 1.
 401         * config.in: Regenerated.
 402         * configure: Likewise.
 403         * options.h (General_options::relro): Default to
 404         DEFAULT_LD_Z_RELRO.
 405
 406 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 407
 408         * NEWS: Add new features in 1.12.
 409         * version.cc (version_string): Bump to 1.12.
 410
 411 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 412
 413         PR gold/20245
 414         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 415         plt_ is NULL.
 416         (Target_i386::plt_entry_size): Likewise.
 417         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 418         (Target_x86_64<size>::plt_entry_size): Likewise.
 419
 420 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 421
 422         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 423         (Target_mips::rld_map_): New data member.
 424         (Target_mips::do_finalize_sections): Add support for
 425         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 426         .rld_map section, and __RLD_MAP symbol.
 427         (Target_mips::do_dynamic_tag_custom_value): Add support for
 428         DT_MIPS_RLD_MAP_REL dynamic tag.
 429         * output.cc (Output_data_dynamic::get_entry_offset): New method
 430         definition.
 431         * output.h (Output_data_dynamic::get_entry_offset): New method
 432         declaration.
 433
 434 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 435
 436         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 437
 438 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 439
 440         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 441         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 442         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 443         (is_matching_lo16_reloc): Likewise.
 444         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 445         (Mips_output_data_plt::plt_entry_r6): New static data member for
 446         R6 PLT entry.
 447         (Target_mips::is_output_r6): New method.
 448         (Target_mips::Mips_mach): Add new enum constants.
 449         (Mips_relocate_functions::Status): Likewise.
 450         (Mips_relocate_functions::pchi16_relocs): New static data member.
 451         (Mips_relocate_functions::relpc21): New method.
 452         (Mips_relocate_functions::relpc26): Likewise.
 453         (Mips_relocate_functions::relpc18): Likewise.
 454         (Mips_relocate_functions::relpc19): Likewise.
 455         (Mips_relocate_functions::relpchi16): Likewise.
 456         (Mips_relocate_functions::do_relpchi16): Likewise.
 457         (Mips_relocate_functions::relpclo16): Likewise.
 458         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 459         entry.
 460         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 461         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 462         E_MIPS_ARCH_64R6 support.
 463         (Target_mips::update_abiflags_isa): Likewise.
 464         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 465         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 466         R_MIPS_PC19_S2.
 467         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 468         and R_MIPS_PCLO16.
 469         (Target_mips::Scan::global): Add support for relocs:
 470         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 471         (Target_mips::Relocate::relocate): Call functions for resolving
 472         Mips32r6 and Mips64r6 relocations, and print error message for
 473         STATUS_PCREL_UNALIGNED.
 474         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 475         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 476         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 477         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 478         E_MIPS_ARCH_64R6 support.
 479
 480 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 481
 482         PR gold/20246
 483         * testsuite/script_test_2.t: Add .got.plt after .got.
 484
 485 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 486
 487         * mips.cc (struct Mips_abiflags): New struct.
 488         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 489         and abiflags_.
 490         (Mips_relobj::~Mips_relobj): Delete object pointed by
 491         attributes_section_data_.
 492         (Mips_relobj::abiflags): New method.
 493         (Mips_relobj::attributes_section_data): Likewise.
 494         (Mips_relobj::attributes_section_data_): New data member.
 495         (Mips_relobj::abiflags_): Likewise.
 496         (class Mips_output_section_abiflags): New class.
 497         (Target_mips::Target_mips): Initialize attributes_section_data_,
 498         abiflags_ and has_abiflags_section_.
 499         (Target_mips::do_should_include_section): Don't emit input
 500         .MIPS.abiflags sections to output .MIPS.abiflags.
 501         (Target_mips::Mips_mach): Add new enum constants.
 502         (Target_mips::mips_isa_ext_mach): New method.
 503         (Target_mips::mips_isa_ext): Likewise.
 504         (Target_mips::update_abiflags_isa): Likewise.
 505         (Target_mips::infer_abiflags): Likewise.
 506         (Target_mips::create_abiflags): Likewise.
 507         (Target_mips::fp_abi_string): Likewise.
 508         (Target_mips::select_fp_abi): Likewise.
 509         (Target_mips::merge_obj_attributes): Likewise.
 510         (Target_mips::merge_obj_abiflags): Likewise.
 511         (Target_mips::level_rev): Likewise.
 512         (Target_mips::merge_obj_e_flags): Rename from
 513         merge_processor_specific_flags. Remove dyn_obj argument,
 514         call update_abiflags_isa when needed, compare NaN encodings and
 515         compare FP64 state.
 516         (Target_mips::add_machine_extensions): Add two machine extensions
 517         and fix one.
 518         (Target_mips::attributes_section_data_): New data member.
 519         (Target_mips::abiflags_): Likewise.
 520         (Target_mips::has_abiflags_section_): Likewise.
 521         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 522         .MIPS.abiflags sections if they exists.
 523         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 524         E_MIPS_MACH_OCTEON3 support.
 525         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 526         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 527         .MIPS.abiflags sections from input. Create these sections if
 528         needed.
 529         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 530         E_MIPS_MACH_OCTEON3 support, and change strings for
 531         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 532         to match bfd.
 533
 534 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 535
 536         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 537         has_reginfo_section_.
 538         (Mips_relobj::has_reginfo_section_): New data member.
 539         (Mips_relobj::has_reginfo_section): New method.
 540         (class Mips_output_section_reginfo): Change base class to
 541         Output_section_data, and set masks of the output .reginfo section
 542         in constructor.
 543         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 544         Remove.
 545         (Mips_output_section_reginfo::set_masks): Likewise.
 546         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 547         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 548         (Target_mips::do_make_output_section): Remove.
 549         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 550         if the object contains a .reginfo section.
 551         (Target_mips::do_finalize_sections): Create a .reginfo output
 552         section if needed.
 553
 554 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 555
 556         * mips.cc (Mips_output_data_got::do_write): Add missing template
 557         args via typedef.
 558
 559 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 560
 561         PR/19960
 562         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 563         (Target_s390::ss_code_l_r14): Removed.
 564         (Target_s390::ss_code_ear): Removed.
 565         (Target_s390::ss_code_c): Removed.
 566         (Target_s390::ss_match_st_r14): New function.
 567         (Target_s390::ss_match_l_r14): New function.
 568         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 569         of matching code directly.
 570         (Target_s390::ss_match_ear): New function.
 571         (Target_s390::ss_match_c): New function.
 572         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 573         of matching code directly.
 574
 575 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 576
 577         PR gold/19823
 578         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 579         parameter; check for protected symbol.
 580         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 581         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 582         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 583         (Symbol_table::add_from_dynobj): Mark protected symbols.
 584         * symtab.h (Symbol::is_protected): New method.
 585         (Symbol::set_is_protected): New method.
 586         (Symbol::is_protected_): New data member.
 587
 588         * testsuite/Makefile.am (copy_test_protected): New test.
 589         * testsuite/Makefile.in: Regenerate.
 590         * testsuite/copy_test.cc (main): Add legal reference to protected
 591         symbol.
 592         * testsuite/copy_test_v1.cc (main): Likewise.
 593         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 594         * testsuite/copy_test_protected.cc: New test source file.
 595         * testsuite/copy_test_protected.sh: New test script.
 596
 597 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 598
 599         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 600         for global got symbols, and set addend to 0.
 601         (Mips_got_entry::hash): Change hash algorithm.
 602         (Mips_got_entry::equals): Refactor.
 603         (Mips_got_entry::object): Return input object for local got symbols
 604         from union d.
 605         (Mips_got_entry::addend): Change return of the relocation addend.
 606         (Mips_got_entry::addend_): Move from union d.
 607         (Mips_got_entry::object_): Move into union d.
 608         (class Mips_symbol_hash): New class.
 609         (Mips_got_info::Global_got_entry_set): New type.
 610         (Mips_got_info::global_got_symbols): Change return type to
 611         Global_got_entry_set.
 612         (Mips_got_info::global_got_symbols_): Change type to
 613         Global_got_entry_set.
 614         (Mips_symbol::hash): New method.
 615         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 616         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 617         (Mips_output_data_mips_stubs::symbols_): Change type to
 618         Mips_stubs_entry_set.
 619         (Mips_got_info::record_global_got_symbol): Don't pass object
 620         argument when creating global got symbol.
 621         (Mips_got_info::record_got_entry): Remove find before inserting
 622         got entries.
 623         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 624         to Global_got_entry_set.
 625         (Mips_got_info::count_got_symbols): Likewise.
 626         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 627         for adding entries to symbols_.
 628         (Mips_output_data_la25_stub::do_write): Change type of iterator
 629         to std::vector.
 630         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 631         of iterator to Mips_stubs_entry_set.
 632         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 633         (Mips_output_data_mips_stubs::do_write): Likewise.
 634
 635 2016-05-06  Han Shen  <shenhan@google.com>
 636
 637         PR gold/19987.
 638
 639         * aarch64-reloc.def: New relocation type.
 640         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 641         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 642         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 643         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 644
 645 2016-04-28  Nick Clifton  <nickc@redhat.com>
 646
 647         * po/zh_CN.po: Updated Chinese (simplified) translation.
 648
 649 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 650
 651         * Makefile.in: Regenerated with automake 1.11.6.
 652         * aclocal.m4: Likewise.
 653         * testsuite/Makefile.in: Likewise.
 654
 655 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 656
 657         PR gold/16979
 658         * symtab.cc (Symbol_table::define_default_version): Check for case
 659         where symbols are both in different shared objects.
 660
 661 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 662
 663         PR gold/16111
 664         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 665         R_386_GOTOFF.
 666
 667 2016-03-22  Nick Clifton  <nickc@redhat.com>
 668
 669         * configure: Regenerate.
 670
 671 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 672
 673         PR gold/19842
 674         * errors.cc (Errors::undefined_symbol): Add info message when
 675         symbol should have been provided by a plugin.
 676         * target-reloc.h (issue_undefined_symbol_error): Check for
 677         placeholder symbols defined in discarded sections.
 678         * testsuite/Makefile.am (plugin_test_9b): New test case.
 679         * testsuite/Makefile.in: Regenerate.
 680         * testsuite/plugin_test_9b_elf.cc: New test source file.
 681         * testsuite/plugin_test_9b_ir.cc: New test source file.
 682
 683 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 684
 685         PR gold/19002
 686         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 687         * testsuite/Makefile.am (eh_test_2): New test.
 688         * testsuite/Makefile.in: Regenerate.
 689         * testsuite/eh_test_2.sh: New test script.
 690         * testsuite/eh_test_a.cc (bar): Make it comdat.
 691         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 692
 693 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 694
 695         * mips.cc (Mips_relobj::is_n64_): Remove.
 696         (Target_mips::ei_class_): Likewise.
 697         (Mips_relobj::is_newabi): Call methods.
 698         (Mips_relobj::is_n64): Change checking for N64 ABI.
 699         (Target_mips::is_output_n64): Likewise.
 700         (Target_mips::merge_processor_specific_flags): Remove ei_class
 701         argument, and remove comparing ei_class.
 702         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 703         of the ELF header.
 704         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 705         to merge_processor_specific_flags.
 706         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 707         change checking for N64 ABI.
 708
 709 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 710
 711         * mips.cc (enum Special_relocation_symbol): New enum type.
 712         (is_readonly_section): New function.
 713         (eh_reloc): Likewise.
 714         (Mips_got_entry::is_section_symbol_): New member.
 715         (Mips_got_entry::is_section_symbol): New method.
 716         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 717         argument.
 718         (Mips_relobj::mips_elf_options_section_name): New method.
 719         (Mips_output_data_got::record_local_got_symbol): Add
 720         is_section_symbol argument, and pass it to
 721         Mips_got_info::record_local_got_symbol.
 722         (Mips_output_data_got::got_offset): Add addend argument, and pass
 723         it to Relobj::local_got_offset.
 724         (struct Mips_output_reloc_writer): New type.
 725         (class Mips_output_data_reloc): New class.
 726         (Mips_output_data_plt::Reloc_section): Change type to
 727         Mips_output_data_reloc.
 728         (Target_mips::Reloc_section): Likewise.
 729         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 730         (Mips_classify_reloc::get_r_type2): New method.
 731         (Mips_classify_reloc::get_r_type3): Likewise.
 732         (Mips_classify_reloc::get_r_ssym): Likewise.
 733         (Target_mips::Reloca_section): Remove.
 734         (Relocate::should_apply_static_reloc): Rename from
 735         should_apply_r_mips_32_reloc.
 736         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 737         and r_offset.
 738         (Mips_relocate_functions::Valtype): New type.
 739         (Mips_relocate_functions::Valtype64): New type.
 740         (Mips_relocate_functions::check_overflow): New method.
 741         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 742         interface.
 743         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 744         (Mips_relocate_functions::rel16): Add support for resolving
 745         relocations for Mips64.
 746         (Mips_relocate_functions::rel32): Likewise.
 747         (Mips_relocate_functions::reljalr): Likewise.
 748         (Mips_relocate_functions::relpc32): Likewise.
 749         (Mips_relocate_functions::rel26): Likewise.
 750         (Mips_relocate_functions::relpc16): Likewise.
 751         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 752         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 753         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 754         (Mips_relocate_functions::do_relhi16): Likewise.
 755         (Mips_relocate_functions::do_relgot16_local): Likewise.
 756         (Mips_relocate_functions::rello16): Likewise.
 757         (Mips_relocate_functions::relgot): Likewise.
 758         (Mips_relocate_functions::relgotpage): Likewise.
 759         (Mips_relocate_functions::relgotofst): Likewise.
 760         (Mips_relocate_functions::relgot_hi16): Likewise.
 761         (Mips_relocate_functions::relgot_lo16): Likewise.
 762         (Mips_relocate_functions::relgprel): Likewise.
 763         (Mips_relocate_functions::relgprel32): Likewise.
 764         (Mips_relocate_functions::tlsrelhi16): Likewise.
 765         (Mips_relocate_functions::tlsrello16): Likewise.
 766         (Mips_relocate_functions::tlsrel32): Likewise.
 767         (Mips_relocate_functions::relsub): Likewise.
 768         (Mips_relocate_functions::releh): New method.
 769         (Mips_relocate_functions::rel64): Likewise.
 770         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 771         pass it to Mips_got_entry.
 772         (Mips_got_info::add_local_entries): Pass addend argument
 773         to code functions, and for STT_SECTION symbols call
 774         add_symbolless_local_addend.
 775         (Mips_got_info::add_tls_entries): Pass addend argument to code
 776         functions.
 777         (Mips_relobj::do_read_symbols): Read gp value that was used to
 778         create object.
 779         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 780         instruction. Opcode for instruction will be selected later.
 781         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 782         (Target_mips::scan_relocatable_relocs): Likewise.
 783         (Target_mips::emit_relocs_scan): Likewise.
 784         (Target_mips::relocate_relocs): Likewise.
 785         (Target_mips::do_finalize_sections): Skip objects for merging
 786         processor specific flags in which all input sections will be
 787         discarded.
 788         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 789         (Target_mips::Scan::get_reference_flags): Likewise.
 790         (Target_mips::relocate_special_relocatable): Call rel26 method with
 791         calculate_only and calculated_value arguments.
 792         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 793         dynamic relocation against a readonly sections, and pass
 794         is_section_symbol to Mips_got_info::record_local_got_symbol.
 795         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 796         dynamic relocation against a readonly sections, and pass r_type
 797         and r_offset to Target_mips::copy_reloc.
 798         (Target_mips::Relocate::relocate): Add support for resolving
 799         relocations for Mips64.
 800         (Target_mips::mips_info): Add case for Mips64 default dynamic
 801         linker name.
 802         (Target_selector_mips): Correct emulation names.
 803
 804 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 805
 806         * mips.cc (class Mips_output_data_la25_stub): Add
 807         do_print_to_mapfile function.
 808
 809 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 810
 811         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 812         elf_r_info.
 813
 814 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 815
 816         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 817         * testsuite/plugin_layout_with_alignment.c: This.
 818         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 819         (plugin_layout_with_alignment): Likewise.
 820         * testsuite/Makefile.in: Regenerated.
 821
 822 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 823
 824         PR 19751
 825         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 826         for constructor.
 827         * testsuite/Makefile.in: Regenerate.
 828         * testsuite/dynamic_list.sh: Likewise.
 829         * testsuite/retain_symbols_file_test.sh: Likewise.
 830
 831 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 832
 833         PR 19751
 834         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 835         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 836
 837 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 838             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 839
 840         * output.cc (Output_reloc_writer): New type.
 841         (Output_data_reloc_base::do_write): Move implementation to template
 842         in output.h and replace with invocation of template.
 843         * output.h (Output_file): Move to top of file.
 844         (Output_reloc::get_symbol_index): Move to public interface.
 845         (Output_reloc::get_address): Likewise.
 846         (Output_data_reloc_base::do_write_generic): New function template.
 847
 848 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 849
 850         PR gold/19019
 851         PR gold/19763
 852         * symtab.cc: Instantiate Sized_symbol::init_constant and
 853         Sized_symbol::init_undefined.
 854
 855 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 856
 857         PR gold/19019
 858         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 859         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 860         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 861         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 862         (Target_sparc::do_is_defined_by_abi): Remove test for
 863         STT_SPARC_REGISTER.
 864         (Target_sparc::Register_symbol): New struct type.
 865         (Target_sparc::register_syms_): New data member.
 866         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 867         (Target_sparc::make_symbol): New function.
 868         (Target_sparc::do_finalize_sections): Add register symbols and new
 869         dynamic table entries.
 870         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 871         (Symbol_table::add_target_global_symbol): New function.
 872         (Symbol_table::target_symbols_): New data member.
 873         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 874         (Symbol_table::Symbol_table): Initialize target_symbols_.
 875         (Symbol_table::add_from_object): Pass additional parameters to
 876         Target::make_symbol.
 877         (Symbol_table::define_special_symbol): Likewise.
 878         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 879         undefined symbol value.
 880         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 881         (Symbol_table::sized_finalize): Likewise.
 882         (Symbol_table::sized_write_globals): Likewise.
 883         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 884         st_shndx, and value parameters.
 885
 886 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 887
 888         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 889         LDPK_WEAKUNDEF symbols.
 890
 891 2016-03-03  Than McIntosh  <thanm@google.com>
 892
 893         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 894         and get_input_section_alignment in transfer vector.
 895         (get_input_section_alignment): New function.
 896         (get_input_section_size): New function.
 897         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 898         * testsuite/Makefile.in: [Regenerate.]
 899         * testsuite/plugin_section_alignment.cc: New test file.
 900         * testsuite/plugin_layout_with_alignment.cc: New test file.
 901         * testsuite/plugin_layout_with_alignment.sh: New test file.
 902
 903 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 904
 905         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 906         parameter.
 907         * plugin.cc (get_symbols_v3): New function.
 908         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 909         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 910         new version.
 911
 912 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 913             Cary Coutant  <ccoutant@gmail.com>
 914
 915         PR gold/19735
 916         * ehframe.h (Cie::fde_encoding): New method.
 917         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 918         address ranges.
 919
 920 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 921
 922         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 923         -mrelax-relocations=yes to $(TEST_AS).
 924         (x86_64_mov_to_lea6.o): Likewise.
 925         (x86_64_overflow_pc32.o): Remove duplicated target.
 926         * testsuite/Makefile.in: Regenerated.
 927
 928 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 929
 930         * s390.cc (Target_s390::match_view_u): New helper method.
 931         (Target_s390::do_is_call_to_non_split): New method.
 932         (Target_s390::ss_code_st_r14): New const.
 933         (Target_s390::ss_code_l_r14): New const.
 934         (Target_s390::ss_code_bras_8): New const.
 935         (Target_s390::ss_code_l_basr): New const.
 936         (Target_s390::ss_code_a_basr): New const.
 937         (Target_s390::ss_code_ear): New const.
 938         (Target_s390::ss_code_c): New const.
 939         (Target_s390::ss_code_larl): New const.
 940         (Target_s390::ss_code_brasl): New const.
 941         (Target_s390::ss_code_jg): New const.
 942         (Target_s390::ss_code_jgl): New const.
 943         (Target_s390::ss_match_mcount): New helper method.
 944         (Target_s390::ss_match_l): New helper method.
 945         (Target_s390::ss_match_ahi): New helper method.
 946         (Target_s390::ss_match_alfi): New helper method.
 947         (Target_s390::ss_match_cr): New helper method.
 948         (Target_s390::do_calls_non_split): New method.
 949         * testsuite/Makefile.am: Added new tests.
 950         * testsuite/Makefile.in: Regenerate.
 951         * testsuite/split_s390.sh: New test.
 952         * testsuite/split_s390_1_a1.s: New test.
 953         * testsuite/split_s390_1_a2.s: New test.
 954         * testsuite/split_s390_1_n1.s: New test.
 955         * testsuite/split_s390_1_n2.s: New test.
 956         * testsuite/split_s390_1_z1.s: New test.
 957         * testsuite/split_s390_1_z2.s: New test.
 958         * testsuite/split_s390_1_z3.s: New test.
 959         * testsuite/split_s390_1_z4.s: New test.
 960         * testsuite/split_s390_2_ns.s: New test.
 961         * testsuite/split_s390_2_s.s: New test.
 962         * testsuite/split_s390x_1_a1.s: New test.
 963         * testsuite/split_s390x_1_a2.s: New test.
 964         * testsuite/split_s390x_1_n1.s: New test.
 965         * testsuite/split_s390x_1_n2.s: New test.
 966         * testsuite/split_s390x_1_z1.s: New test.
 967         * testsuite/split_s390x_1_z2.s: New test.
 968         * testsuite/split_s390x_1_z3.s: New test.
 969         * testsuite/split_s390x_1_z4.s: New test.
 970         * testsuite/split_s390x_2_ns.s: New test.
 971         * testsuite/split_s390x_2_s.s: New test.
 972
 973 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 974
 975         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 976         info message for every erratum 843419 found and fixed.
 977
 978 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 979
 980         PR gold/18695
 981         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 982         information to relocation overflow errors.
 983
 984 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 985
 986         PR gold/18695
 987         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 988         overflow checking when symbol value + addend < 0.
 989
 990 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 991
 992         PR gold/19577
 993         * reloc.h (Limits): New class.
 994         (Bits::has_overflow32): Use min/max values from Limits.
 995         (Bits::has_unsigned_overflow32): Likewise.
 996         (Bits::has_signed_unsigned_overflow32): Likewise.
 997         (Bits::has_overflow): Likewise.
 998         (Bits::has_unsigned_overflow): Likewise.
 999         (Bits::has_signed_unsigned_overflow64): Likewise.
1000
1001 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1002
1003         PR gold/19567
1004         * reloc.h (Relocate_functions::Overflow_check): Add comments.
1005         * x86_64.cc (X86_64_relocate_functions): New class.
1006         (Target_x86_64::Relocate::relocate): Use the new class.
1007         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
1008         (x32_overflow_pc32): New test case.
1009         * testsuite/Makefile.in: Regenerate.
1010         * testsuite/x32_overflow_pc32.sh: New script.
1011         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
1012
1013 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1014
1015         PR gold/19577
1016         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
1017         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
1018
1019 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1020
1021         PR gold/19577
1022         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
1023         comparison.
1024         (Bits::has_unsigned_overflow): Likewise.
1025
1026 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
1027
1028         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
1029         parameters.
1030         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1031         and view_size to is_call_to_non_split.
1032         * target.cc (Target::is_call_to_non_split): Add view and view_size
1033         parameters.
1034         * target.h (class Target): Likewise.
1035
1036 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1037
1038         * icf.cc (get_rel_addend): New function.
1039         (get_section_contents):  Move merge section addend computation to a
1040         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1041         Fix bug to not read past the length of the section.
1042
1043 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1044             Andrew Senkevich  <andrew.senkevich@intel.com>
1045
1046         PR gold/18695
1047         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1048         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1049         R_X86_64_PLT32.
1050         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1051         * testsuite/x86_64_overflow_pc32.sh: New test script.
1052         * testsuite/x86_64_overflow_pc32.s: New source file.
1053
1054 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1055
1056         PR gold/18695
1057         * reloc.h (Relocate_functions::Address): New typedef.
1058         (Relocate_functions::Addendtype): New typedef.
1059         (Relocate_functions::Overflow_check): New enum type.
1060         (Relocate_functions::Reloc_status): New enum type.
1061         (Relocate_functions::check_overflow): New function template.
1062         (Relocate_functions::rel): Add check parameter; check for overflow.
1063         (Relocate_functions::rel_unaligned): Likewise.
1064         (Relocate_functions::rela): Likewise.
1065         (Relocate_functions::pcrel): Likewise.
1066         (Relocate_functions::pcrel_unaligned): Likewise.
1067         (Relocate_functions::pcrela): Likewise.
1068         (Relocate_functions::rel8): Adjust parameter types.
1069         (Relocate_functions::rela8): Likewise.
1070         (Relocate_functions::pcrel8): Likewise.
1071         (Relocate_functions::pcrela8): Likewise.
1072         (Relocate_functions::rel16): Likewise.
1073         (Relocate_functions::rela168): Likewise.
1074         (Relocate_functions::pcrel16): Likewise.
1075         (Relocate_functions::pcrela16): Likewise.
1076         (Relocate_functions::rel32): Likewise.
1077         (Relocate_functions::rel32_unaligned): Likewise.
1078         (Relocate_functions::rela32): Likewise.
1079         (Relocate_functions::pcrel32): Likewise.
1080         (Relocate_functions::pcrel32_unaligned): Likewise.
1081         (Relocate_functions::pcrela32): Likewise.
1082         (Relocate_functions::rel8_check): New function.
1083         (Relocate_functions::rela8_check): New function.
1084         (Relocate_functions::pcrel8_check): New function.
1085         (Relocate_functions::pcrela8_check): New function.
1086         (Relocate_functions::rel16_check): New function.
1087         (Relocate_functions::rela168_check): New function.
1088         (Relocate_functions::pcrel16_check): New function.
1089         (Relocate_functions::pcrela16_check): New function.
1090         (Relocate_functions::rel32_check): New function.
1091         (Relocate_functions::rel32_unaligned_check): New function.
1092         (Relocate_functions::rela32_check): New function.
1093         (Relocate_functions::pcrel32_check): New function.
1094         (Relocate_functions::pcrel32_unaligned_check): New function.
1095         (Relocate_functions::pcrela32_check): New function.
1096         (Bits::has_unsigned_overflow32): New function.
1097         (Bits::has_unsigned_overflow): New function.
1098         * testsuite/Makefile.am (overflow_unittest): New test.
1099         * testsuite/Makefile.in: Regenerate.
1100         * testsuite/overflow_unittest.cc: New source file.
1101
1102 2016-02-04  Alan Modra  <amodra@gmail.com>
1103
1104         * powerpc.cc (relocate): Adjust last patch for big-endian.
1105
1106 2016-02-02  Alan Modra  <amodra@gmail.com>
1107
1108         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1109
1110 2016-01-15 Han Shen  <shenhan@google.com>
1111
1112         PR gold/19472 - need pc-relative stubs.
1113
1114         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1115         stub type for DSOs and pie executables.
1116
1117 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1118
1119         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1120         'typename'.
1121
1122 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1123
1124         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1125         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1126         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1127         specializations) New method.
1128
1129 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1130
1131         PR gold/19353
1132         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1133         we have a TLS segment for GD-to-IE optimization.
1134         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1135         Adjust all calls.
1136         (Target_i386::tls_desc_gd_to_ie): Likewise.
1137         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1138         for TLSDESC GD-to-IE optimizations.
1139         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1140         Adjust all calls.
1141         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1142         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1143         for TLSDESC GD-to-IE optimizations.
1144
1145 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1146
1147         Refactor gold to enable support for MIPS-64 relocation format.
1148
1149         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1150         (gc_process_relocs): Remove sh_type template parameter.
1151         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1152         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1153         parameter.
1154         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1155         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1156         specializations) Remove.
1157         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1158         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1159         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1160         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1161         Adjust all callers.
1162         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1163         Target::get_r_sym() to get r_sym field from relocations.
1164         (Track_relocs::next_symndx): Call Target::get_r_sym().
1165         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1166         add Classify_reloc template parameter.  Use for accessing r_sym and
1167         r_type.
1168         (relocate_section): Likewise.
1169         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1170         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1171         (Default_scan_relocatable_relocs::Reltype): New typedef.
1172         (Default_scan_relocatable_relocs::reloc_size): New const.
1173         (Default_scan_relocatable_relocs::sh_type): New const.
1174         (Default_scan_relocatable_relocs::get_r_sym): New method.
1175         (Default_scan_relocatable_relocs::get_r_type): New method.
1176         (Default_emit_relocs_strategy): New class.
1177         (scan_relocatable_relocs): Replace sh_type template parameter with
1178         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1179         fields.
1180         (relocate_relocs): Replace sh_type template parameter with
1181         Classify_reloc class.  Use it to access r_sym and r_type fields.
1182         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1183         with pointer to relocation. Adjust all callers.
1184         (Target::do_is_call_to_non_split): Likewise.
1185         (Target::emit_relocs_scan): New virtual method.
1186         (Sized_target::get_r_sym): New virtual method.
1187         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1188         with pointer to relocation.
1189
1190         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1191         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1192         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1193         (Target_aarch64::scan_relocs): Likewise.
1194         (Target_aarch64::relocate_section): Likewise.
1195         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1196         Remove.
1197         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1198         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1199         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1200         template parameter.
1201         (Target_arm::emit_relocs_scan): New method.
1202         (Target_arm::Relocatable_size_for_reloc): Replace with...
1203         (Target_arm::Classify_reloc): ...this.
1204         (Target_arm::gc_process_relocs): Use Classify_reloc.
1205         (Target_arm::scan_relocs): Likewise.
1206         (Target_arm::relocate_section): Likewise.
1207         (Target_arm::scan_relocatable_relocs): Likewise.
1208         (Target_arm::relocate_relocs): Likewise.
1209         * i386.cc (Target_i386::emit_relocs_scan): New method.
1210         (Target_i386::Relocatable_size_for_reloc): Replace with...
1211         (Target_i386::Classify_reloc): ...this.
1212         (Target_i386::gc_process_relocs): Use Classify_reloc.
1213         (Target_i386::scan_relocs): Likewise.
1214         (Target_i386::relocate_section): Likewise.
1215         (Target_i386::scan_relocatable_relocs): Likewise.
1216         (Target_i386::relocate_relocs): Likewise.
1217         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1218         parameter.
1219         (Mips_reloc_types): New class template.
1220         (Mips_classify_reloc): New class template.
1221         (Target_mips::Reltype): New typedef.
1222         (Target_mips::Relatype): New typedef.
1223         (Target_mips::emit_relocs_scan): New method.
1224         (Target_mips::get_r_sym): New method.
1225         (Target_mips::Relocatable_size_for_reloc): Replace with
1226         Mips_classify_reloc.
1227         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1228         (Target_mips::gc_process_relocs): Likewise.
1229         (Target_mips::scan_relocs): Likewise.
1230         (Target_mips::relocate_section): Likewise.
1231         (Target_mips::scan_relocatable_relocs): Likewise.
1232         (Target_mips::relocate_relocs): Likewise.
1233         (mips_get_size_for_reloc): New function, factored out from
1234         Relocatable_size_for_reloc::get_size_for_reloc.
1235         (Target_mips::Scan::local): Use Mips_classify_reloc.
1236         (Target_mips::Scan::global): Likewise.
1237         (Target_mips::Relocate::relocate): Likewise.
1238         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1239         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1240         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1241         (Target_powerpc::scan_relocs): Likewise.
1242         (Target_powerpc::relocate_section): Likewise.
1243         (Powerpc_scan_relocatable_reloc): Convert to class template.
1244         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1245         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1246         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1247         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1248         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1249         (Target_powerpc::scan_relocatable_relocs): Use
1250         Powerpc_scan_relocatable_reloc.
1251         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1252         * s390.cc (Target_s390::emit_relocs_scan): New method.
1253         (Target_s390::Relocatable_size_for_reloc): Remove.
1254         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1255         (Target_s390::scan_relocs): Likewise.
1256         (Target_s390::relocate_section): Likewise.
1257         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1258         Remove.
1259         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1260         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1261         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1262         (Target_sparc::Relocatable_size_for_reloc): Remove.
1263         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1264         (Target_sparc::scan_relocs): Likewise.
1265         (Target_sparc::relocate_section): Likewise.
1266         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1267         Remove.
1268         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1269         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1270         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1271         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1272         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1273         (Target_tilegx::scan_relocs): Likewise.
1274         (Target_tilegx::relocate_section): Likewise.
1275         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1276         Remove.
1277         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1278         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1279         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1280         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1281         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1282         (Target_x86_64::scan_relocs): Likewise.
1283         (Target_x86_64::relocate_section): Likewise.
1284         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1285         Remove.
1286         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1287         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1288
1289         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1290
1291 2016-01-01  Alan Modra  <amodra@gmail.com>
1292
1293         Update year range in copyright notice of all files.
1294
1295 For older changes see ChangeLog-0815
1296 \f
1297 Copyright (C) 2016 Free Software Foundation, Inc.
1298
1299 Copying and distribution of this file, with or without modification,
1300 are permitted in any medium without royalty provided the copyright
1301 notice and this notice are preserved.
1302
1303 Local Variables:
1304 mode: change-log
1305 left-margin: 8
1306 fill-column: 74
1307 version-control: never
1308 End: