libbacktrace/ChangeLog

   1 2020-09-09  Ian Lance Taylor  <iant@golang.org>
   2
   3         * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
   4         (coff_add): Determine and pass is_64.
   5
   6 2020-09-09  Ian Lance Taylor  <iant@golang.org>
   7
   8         PR libbacktrace/96973
   9         * fileline.c (macho_get_executable_path): New static function.
  10         (fileline_initialize): Call macho_get_executable_path.
  11
  12 2020-09-09  Ian Lance Taylor  <iant@golang.org>
  13
  14         * dwarf.c (function_addrs_search): Compare against the next entry
  15         low address, not the high address.
  16         (unit_addrs_search): Likewise.
  17         (build_address_map): Add a trailing unit_addrs.
  18         (read_function_entry): Add a trailing function_addrs.
  19         (read_function_info): Likewise.
  20         (report_inlined_functions): Search backward for function_addrs
  21         match.
  22         (dwarf_lookup_pc): Search backward for unit_addrs and
  23         function_addrs matches.
  24
  25 2020-09-08  Ian Lance Taylor  <iant@golang.org>
  26
  27         * simple.c (simple_unwind): Correct comment spelling.
  28
  29 2020-09-08  Ian Lance Taylor  <iant@golang.org>
  30
  31         * macho.c (macho_add_dsym): Make space for '/' in dsym.  Use
  32         correct length when freeing diralc.
  33
  34 2020-09-08  Ian Lance Taylor  <iant@golang.org>
  35
  36         PR libbacktrace/96973
  37         * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
  38
  39 2020-09-08  Ian Lance Taylor  <iant@golang.org>
  40
  41         PR libbacktrace/96971
  42         * filetype.awk: Only match magic number at start of line.
  43
  44 2020-08-24  Ian Lance Taylor  <iant@golang.org>
  45
  46         * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
  47         (MACH_O_MH_CIGAM_FAT_64): Define.
  48         (struct macho_fat_arch_64): Define.
  49         (macho_add_fat): Add and use is_64 parameter.
  50         (macho_add): Recognize 64-bit fat files.
  51
  52 2020-07-30  H.J. Lu  <hjl.tools@gmail.com>
  53
  54         PR bootstrap/96202
  55         * configure: Regenerated.
  56
  57 2020-07-08  Ian Lance Taylor  <iant@golang.org>
  58
  59         * configure.ac: Test linker support for DWARF5
  60         * configure: Regenerate
  61
  62 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  63
  64         PR bootstrap/95413
  65         * configure: Regenerated.
  66
  67 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  68
  69         PR bootstrap/95147
  70         * configure: Regenerated.
  71
  72 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  73
  74         * configure: Regenerated.
  75
  76 2020-05-13  Ian Lance Taylor  <iant@golang.org>
  77
  78         * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
  79
  80 2020-05-13  Ian Lance Taylor  <iant@golang.org>
  81
  82         PR go/95061
  83         * posix.c (backtrace_open): Treat EACCESS like ENOENT.
  84
  85 2020-05-12  H.J. Lu  <hongjiu.lu@intel.com>
  86
  87         * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
  88         * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
  89         AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
  90         enabled.
  91         * Makefile.in: Regenerated.
  92         * configure: Likewise.
  93
  94 2020-05-11  Ian Lance Taylor  <iant@golang.org>
  95
  96         PR libbacktrace/95012
  97         * configure.ac: Check for getpagesize declaration.
  98         * mmap.c: Declare getpagesize if necessary.
  99         * mmapio.c: Likewise.
 100         * configure: Regenerate.
 101         * config.h.in: Regenerate.
 102         * Makefile.in: Regenerate.
 103
 104 2020-05-09  Roland McGrath  <mcgrathr@google.com>
 105
 106         * elf.c (elf_add): Bail early if there are no section headers at all.
 107
 108 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 109
 110         * elf.c (elf_add): Don't free strtab if an error occurs after
 111         recording symbol information.
 112
 113 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 114
 115         PR libbacktrace/88745
 116         * macho.c: New file.
 117         * filetype.awk: Recognize Mach-O files.
 118         * Makefile.am (FORMAT_FILES): Add macho.c.
 119         (check_DATA): New variable.  Set to .dSYM if HAVE_DSYMUTIL.
 120         (%.dSYM): New pattern target.
 121         (test_macho_SOURCES, test_macho_CFLAGS): New targets.
 122         (test_macho_LDADD): New target.
 123         (BUILDTESTS): Add test_macho.
 124         (macho.lo): Add dependencies.
 125         * configure.ac: Recognize macho file type.  Check for
 126         mach-o/dyld.h.  Don't try to run objcopy if we don't find it.
 127         Look for dsymutil and define a HAVE_DSYMUTIL conditional.
 128         * Makefile.in: Regenerate.
 129         * configure: Regenerate.
 130         * config.h.in: Regenerate.
 131
 132 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 133
 134         * read.c (backtrace_get_view): Support short read.
 135
 136 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 137
 138         * elf.c (elf_add): If debug sections are very large or far apart,
 139         read them individually rather than as a single view.
 140
 141 2020-05-08  Ian Lance Taylor  <iant@golang.org>
 142
 143         * fileline.c (sysctl_exec_name): New static function.
 144         (sysctl_exec_name1): New macro or static function.
 145         (sysctl_exec_name2): Likewise.
 146         (fileline_initialize): Try sysctl_exec_name[12].
 147         * configure.ac: Check for sysctl args to fetch executable name.
 148         * configure: Regenerate.
 149         * config.h.in: Regenerate.
 150
 151 2020-02-15  Ian Lance Taylor  <iant@golang.org>
 152
 153         * ztest.c (test_large): Update file to current libgo test file.
 154
 155 2020-02-03  Ian Lance Taylor  <iant@golang.org>
 156
 157         * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
 158         (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
 159         (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
 160         (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
 161         (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
 162         (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
 163         (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
 164         (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
 165         (stest_alloc_CFLAGS): Likewise.
 166         * Makefile.in: Regenerate.
 167         * ztest.c (error_callback_compress): Mark vdata unused.
 168         (test_large): Add casts to avoid warnings.
 169
 170 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 171
 172         Update copyright years.
 173
 174 2019-12-13  Ian Lance Taylor  <iant@golang.org>
 175
 176         Add DWARF 5 support.
 177         * dwarf.c (struct attr): Add val field.
 178         (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
 179         ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
 180         (struct line_header): Add addrsize field.
 181         (struct line_header_format): Define.
 182         (struct unit): Add str_offsets_base, addr_base, and rnglists_base
 183         fields.
 184         (read_uint24): New static function.
 185         (read_attribute): Add implicit_val parameter.  Replace dwarf_str
 186         and dwarf_str_size parameters with dwarf_sections parameter.  Add
 187         support for new DWARF 5 forms.  Change all callers.
 188         (resolve_string): New static function.
 189         (resolve_addr_index): Likewise.
 190         (read_abbrevs): Support DW_FORM_implicit_const.
 191         (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
 192         and ranges_is_index fields.
 193         (update_pcrange): Support DWARF 5 encodings.
 194         (add_high_low_range): New static function, split out of
 195         add_ranges.
 196         (add_ranges_from_ranges): Likewise.
 197         (add_ranges_from_rnglists): New static function.
 198         (add_ranges): Just call new helper functions.
 199         (find_address_ranges): Use resolve_string for strings, after
 200         reading all attributes.  Handle new DWARF 5 attributes.
 201         (build_address_map): Support DWARF 5 compilation units.
 202         (read_v2_paths): New static function, split out of
 203         read_line_header.
 204         (read_lnct): New static function.
 205         (read_line_header_format_entries): Likewise.
 206         (read_line_header): Add ddata parameter.  Support DWARF 5 line
 207         headers.  Call new helper functions.  Change all callers.
 208         (read_line_program): Use addrsize from line program header.  Don't
 209         special case directory index 0 for DWARF 5.
 210         (read_referenced_name): Use resolve_string.
 211         (read_function_entry): Handle DWARF 5 encodings.  Use
 212         resolve_string.
 213         * internal.h (enum dwarf_section): Add DEBUG_ADDR,
 214         DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
 215         * elf.c (dwarf_section_names): Add new section names.
 216         * pecoff.c (dwarf_section_names): Likewise.
 217         * xcoff.c (xcoff_add): Clear dwarf_sections before setting
 218         fields.
 219         * configure.ac: Define HAVE_DWARF5 automake conditional.
 220         * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
 221         (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
 222         (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
 223         (dwarf5_alloc_LDADD): Likewise.
 224         (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
 225         (CLEANFILES, clean-local): Define.
 226
 227 2019-12-08  Ian Lance Taylor  <iant@golang.org>
 228
 229         * dwarf.c (struct pcrange): Define.
 230         (update_pcrange, add_ranges): New static functions.
 231         (add_unit_addr): Change signature to work with add_ranges.  Don't
 232         add base_address here.
 233         (add_unit_ranges): Remove.
 234         (find_address_ranges): Replace str/ranges parameters with
 235         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
 236         callers.
 237         (add_function_range): Change signature to work with add_ranges.
 238         Don't add base_address here.
 239         (add_function_ranges): Remove.
 240         (read_function_entry): Use update_pcrange and add_ranges.
 241
 242 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 243
 244         * edtest.c (test1): Add noclone attribute.
 245
 246 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 247
 248         * internal.h (enum dwarf_section): Define.
 249         (struct dwarf_sections): Define.
 250         (backtrace_dwarf_add): Update declaration to replace specific
 251         section parameters with dwarf_sections parameter.
 252         * dwarf.c (struct dwarf_data): Replace specific section fields
 253         with dwarf_sections field.
 254         (read_attribute): Use dwarf_sections with altlink.
 255         (build_address_map): Replace specific section parameters with
 256         dwarf_sections parameter.  Change all callers.
 257         (read_line_info): Use dwarf_sections with ddata.
 258         (read_referenced_name): Likewise.
 259         (add_function_ranges): Likewise.
 260         (read_function_entry): Likewise.
 261         (read_function_info): Likewise.
 262         (build_dwarf_data): Replace specific section parameters with
 263         dwarf_sections parameter.  Change all callers.
 264         (backtrace_dwarf_add): Likewise.
 265         * elf.c (enum debug_section): Remove.
 266         (dwarf_section_names): Remove .zdebug names.
 267         (elf_add): Track zsections separately.  Build dwarf_sections.
 268         * pecoff.c (enum debug_section): Remove.
 269         (struct debug_section_info): Remove data field.
 270         (coff_add): Build dwarf_sections.
 271         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
 272         references with DEBUG_xxx references.
 273         (xcoff_add): Build dwarf_sections.
 274
 275 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 276
 277         * configure: Regenerate.
 278
 279 2019-09-26  Ian Lance Taylor  <iant@golang.org>
 280
 281         PR libbacktrace/91908
 282         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
 283         __sync_bool_compare_and_swap to void.
 284         * xcoff.c (backtrace_initialize): Likewise.
 285
 286 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 287
 288         * configure.ac: Remove references to spu.
 289         * configure: Regenerate.
 290
 291 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
 292
 293         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
 294         test_elf_64.
 295         * Makefile.in: Regenerate.
 296
 297 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 298
 299         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
 300         handling.
 301         * configure: Regenerate.
 302
 303 2019-03-11  Ian Lance Taylor  <iant@golang.org>
 304
 305         PR libbacktrace/89669
 306         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
 307         HAVE_ELF.
 308         * Makefile.in: Regenerate.
 309
 310 2019-02-26  Tom de Vries  <tdevries@suse.de>
 311
 312         * btest.c (test5): Allow global.* as minimal symbol name for global.
 313
 314 2019-02-26  Tom de Vries  <tdevries@suse.de>
 315
 316         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
 317         * Makefile.in: Regenerate.
 318
 319 2019-02-12  Tom de Vries  <tdevries@suse.de>
 320
 321         PR libbacktrace/81983
 322         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
 323
 324 2019-02-10  Tom de Vries  <tdevries@suse.de>
 325
 326         * Makefile.am (BUILDTESTS): Add btest_lto.
 327         * Makefile.in: Regenerate.
 328         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 329         __attribute__((noclone)).
 330
 331 2019-02-08  Tom de Vries  <tdevries@suse.de>
 332
 333         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 334         * print.c (backtrace_print): Same.
 335         * simple.c (backtrace_simple): Same.
 336
 337 2019-02-08  Tom de Vries  <tdevries@suse.de>
 338
 339         PR libbacktrace/78063
 340         * dwarf.c (build_address_map): Keep all parsed units.
 341         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 342
 343 2019-01-31  Tom de Vries  <tdevries@suse.de>
 344
 345         PR libbacktrace/89136
 346         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 347         'debugaltlink_name_len =+ 1'.
 348
 349 2019-01-29  Tom de Vries  <tdevries@suse.de>
 350
 351         * install-debuginfo-for-buildid.sh.in: New script.
 352         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 353         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 354         * Makefile.in: Regenerate.
 355         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 356         (READELF): Set with AC_CHECK_PROG.
 357         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 358         * configure: Regenerate.
 359         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 360         (elf_open_debugfile_by_buildid): ... here.
 361
 362 2019-01-29  Tom de Vries  <tdevries@suse.de>
 363
 364         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 365         allocfail.
 366         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 367         (check_PROGRAMS): Add BUILDTESTS.
 368         * Makefile.in: Regenerate.
 369
 370 2019-01-28  Tom de Vries  <tdevries@suse.de>
 371
 372         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 373         Use $< to access prerequisite.
 374         * Makefile.in: Regenerate.
 375
 376 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 377
 378         * elf.c (elf_add): Pass "" filename to recursive call with
 379         separated debug.
 380
 381 2019-01-25  Tom de Vries  <tdevries@suse.de>
 382
 383         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 384         filename == "".
 385         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 386         * Makefile.in: Regenerate.
 387
 388 2019-01-25  Tom de Vries  <tdevries@suse.de>
 389
 390         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 391         (TESTS): Rename dtest to btest_gnudebuglink.
 392         * Makefile.in: Regenerate.
 393
 394 2019-01-23  Tom de Vries  <tdevries@suse.de>
 395
 396         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 397         (units_search, find_unit): Use size_t for offset.
 398         (build_address_map): Use size_t for unit_offset.
 399
 400 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 401
 402         * allocfail.c (main): Increase portability of printf statement.
 403
 404 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 405
 406         PR libbacktrace/88890
 407         * mmapio.c (backtrace_get_view): Change size parameter to
 408         uint64_t.  Check that value fits in size_t.
 409         * read.c (backtrace_get_view): Likewise.
 410         * internal.h (backtrace_get_view): Update declaration.
 411         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 412
 413 2019-01-17  Tom de Vries  <tdevries@suse.de>
 414
 415         PR libbacktrace/82857
 416         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 417         (HAVE_DWZ): Set with AM_CONDITIONAL.
 418         * configure: Regenerate.
 419         * Makefile.am (TESTS): Add btest_dwz.
 420         * Makefile.in: Regenerate.
 421
 422 2019-01-17  Tom de Vries  <tdevries@suse.de>
 423
 424         PR libbacktrace/82857
 425         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 426         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 427         ATTR_VAL_REF_ALT_INFO.
 428         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 429
 430 2019-01-17  Tom de Vries  <tdevries@suse.de>
 431
 432         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 433         (struct unit_vector): New type.
 434         (struct dwarf_data): Add units and units_counts fields.
 435         (find_unit): New function.
 436         (find_address_ranges): Add and handle unit_tag parameter.
 437         (build_address_map): Add and handle units_vec parameter.
 438         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 439         units vector.
 440
 441 2019-01-17  Tom de Vries  <tdevries@suse.de>
 442
 443         PR libbacktrace/82857
 444         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 445         using altlink.
 446
 447 2019-01-17  Tom de Vries  <tdevries@suse.de>
 448
 449         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 450         (read_attribute): Add altlink parameter.  Handle missing altlink for
 451         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 452         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 453         handle altlink parameter.
 454         (read_referenced_name, read_function_entry): Add argument to
 455         read_attribute call.
 456
 457 2019-01-17  Tom de Vries  <tdevries@suse.de>
 458
 459         * dwarf.c (struct dwarf_data): Add altlink field.
 460         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 461         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 462         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 463         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 464         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 465         * xcoff.c (xcoff_add): Same.
 466
 467 2019-01-17  Tom de Vries  <tdevries@suse.de>
 468
 469         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 470         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 471         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 472         argument to backtrace_dwarf_add call.
 473         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 474         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 475         * xcoff.c (xcoff_add): Same.
 476
 477 2019-01-17  Tom de Vries  <tdevries@suse.de>
 478
 479         * elf.c (elf_add): Add and handle with_buildid_data and
 480         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 481         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 482
 483 2019-01-16  Tom de Vries  <tdevries@suse.de>
 484
 485         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 486         of ...
 487         (read_referenced_name): ... here, and ...
 488         (read_function_entry): ... here.
 489
 490 2019-01-16  Tom de Vries  <tdevries@suse.de>
 491
 492         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 493         name.
 494         (read_function_entry): Same.  Don't allow name found via
 495         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 496         name.
 497
 498 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 499
 500         PR other/16615
 501
 502         * backtrace.h: Mechanically replace "can not" with "cannot".
 503
 504 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 505
 506         Update copyright years.
 507
 508 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 509
 510         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 511         in sed pattern.
 512         * Makefile.in: Regenerate.
 513
 514 2018-12-28  Tom de Vries  <tdevries@suse.de>
 515
 516         * dwarf.c (build_address_map): Reuse unused units.
 517
 518 2018-12-28  Tom de Vries  <tdevries@suse.de>
 519
 520         * dwarf.c (build_address_map): Simplify by removing local variable
 521         abbrevs.
 522
 523 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 524             Tom de Vries  <tdevries@suse.de>
 525
 526         PR libbacktrace/88063
 527         * dwarf.c (free_unit_addrs_vector): Remove.
 528         (build_address_map): Keep track of allocated units in vector.  Free
 529         allocated units and corresponding abbrevs upon failure.  Remove now
 530         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 531         failure.  Free allocated unit vector.
 532
 533 2018-12-28  Tom de Vries  <tdevries@suse.de>
 534
 535         * dwarf.c (build_address_map): Free addrs vector upon failure.
 536
 537 2018-12-14  Tom de Vries  <tdevries@suse.de>
 538
 539         PR testsuite/88491
 540         * allocfail.sh: Remove "set -o pipefail".
 541
 542 2018-12-12  Tom de Vries  <tdevries@suse.de>
 543
 544         * Makefile.am (TESTS): Add allocfail.sh.
 545         (check_PROGRAMS): Add allocfail.
 546         * Makefile.in: Regenerate.
 547         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 548         Include alloc.c.
 549         * allocfail.c: New file.
 550         * allocfail.sh: New file.
 551
 552 2018-11-30  Tom de Vries  <tdevries@suse.de>
 553
 554         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 555         test_xcoff_64, test_pecoff and test_unknown.
 556         * Makefile.in: Regenerate.
 557         * test_format.c: New file.
 558
 559 2018-11-30  Tom de Vries  <tdevries@suse.de>
 560
 561         * Makefile.am : Add _with_alloc version for each test in
 562         check_PROGRAMS.
 563         * Makefile.in: Regenerate.
 564
 565 2018-11-30  Tom de Vries  <tdevries@suse.de>
 566
 567         * internal.h (backtrace_vector_free): New static inline fuction,
 568         factored out of ...
 569         * dwarf.c (read_line_info): ... here.
 570
 571 2018-11-28  Tom de Vries  <tdevries@suse.de>
 572
 573         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 574         failure.
 575
 576 2018-11-27  Tom de Vries  <tdevries@suse.de>
 577
 578         * mmap.c (backtrace_vector_release): Same.
 579         * unittest.c (test1): Add check.
 580
 581 2018-11-27  Tom de Vries  <tdevries@suse.de>
 582
 583         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 584         instead of realloc.
 585         * Makefile.am (check_PROGRAMS): Add unittest.
 586         * Makefile.in: Regenerate.
 587         * unittest.c: New file.
 588
 589 2018-11-22  Tom de Vries  <tdevries@suse.de>
 590
 591         * dwarf.c (read_initial_length): Factor out of ...
 592         (build_address_map, read_line_info): ... here.
 593
 594 2018-11-21  Tom de Vries  <tdevries@suse.de>
 595
 596         * dwarf.c (read_string): Factor out of ...
 597         (read_attribute, read_line_header, read_line_program): ... here.
 598
 599 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 600
 601         PR bootstrap/82856
 602         * Makefile.am: Include multilib.am.
 603         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 604         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 605
 606 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 607
 608         PR libbacktrace/87529
 609         * backtrace.h: Document that backtrace_create_state should be
 610         called only once.
 611
 612 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 613
 614         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 615         * Makefile.in: Regenerate.
 616         * config.h.in: Likewise.
 617         * configure: Likewise.
 618
 619 2018-08-01  Tony Reix  <tony.reix@atos.net>
 620
 621         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 622         (struct xcoff_func, struct xcoff_func_vector): New structs.
 623         (xcoff_syminfo): Drop leading dot from symbol name.
 624         (xcoff_line_compare, xcoff_line_search): Remove.
 625         (xcoff_func_compare, xcoff_func_search): New static functions.
 626         (xcoff_lookup_pc): Search function table.
 627         (xcoff_add_line, xcoff_process_linenos): Remove.
 628         (xcoff_initialize_fileline): Build function table.
 629
 630 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 631
 632         PR other/86198
 633         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 634         checking up to 36 bytes.
 635
 636 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 637
 638         * configure: Regenerated.
 639
 640 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 641
 642         * configure: Regenerated.
 643
 644 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 645
 646         * backtrace.c: Revert last two changes.  Don't call mmap
 647         directly.
 648
 649 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 650
 651         * backtrace.c: Include backtrace-supported.h before checking
 652         BACKTRACE_USES_MALLOC.
 653
 654 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 655
 656         * backtrace.c (backtrace_full): When testing whether we can
 657         allocate memory, call mmap directly, and munmap the memory.
 658
 659 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 660
 661         PR other/85161
 662         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 663         big endian, only use 32-bit loads if endianity macros are predefined
 664         and indicate big or little endian.
 665
 666 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 667
 668         PR target/84148
 669         * configure: Regenerate.
 670
 671 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 672
 673         PR other/82368
 674         * elf.c (SHT_PROGBITS): Undefine and define.
 675
 676 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 677
 678         PR other/82368
 679         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 680         (struct elf_ppc64_opd_data): New type.
 681         (elf_initialize_syminfo): Add opd argument, handle symbols
 682         pointing into the PowerPC64 ELFv1 .opd section.
 683         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 684         to structure with .opd data to elf_initialize_syminfo.
 685
 686 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 687
 688         * elf.c (elf_add): Close descriptor if we use a debugfile.
 689         * btest.c (check_open_files): New static function.
 690         (main): Call check_open_files.
 691
 692 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 693
 694         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 695         desired CRC is zero.
 696         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 697
 698 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 699
 700         * pecoff.c (coff_add): Only release syms_view if it is valid.
 701
 702 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 703
 704         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 705
 706 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 707
 708         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 709
 710 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 711
 712         PR other/68239
 713         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 714         on the free list.
 715
 716 2018-01-19  Tony Reix  <tony.reix@atos.net>
 717
 718         * xcoff.c (xcoff_incl_compare): New function.
 719         (xcoff_incl_search): New function.
 720         (xcoff_process_linenos): Use bsearch to find include file.
 721         (xcoff_initialize_fileline): Sort include file information.
 722
 723 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 724
 725         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 726         288.
 727         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 728         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 729         (elf_zlib_default_table): Update.
 730         (elf_zlib_default_dist_table): New static array.
 731         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 732         for block type 1.
 733         * ztest.c (struct zlib_test): Add uncompressed_len.
 734         (tests): Initialize uncompressed_len field.  Add new test case.
 735         (test_samples): Use uncompressed_len field.
 736
 737 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 738
 739         Update copyright years.
 740
 741 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 742
 743         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 744         * aclocal.m4: Regenerate.
 745         * Makefile.in: Likewise.
 746         * configure: Likewise.
 747
 748 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 749
 750         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 751         zlib uncompress function.
 752
 753 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 754
 755         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 756         Read a four byte integer.
 757         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 758         boundary before ever calling elf_zlib_fetch.
 759         * ztest.c (test_large): Simplify print statements a bit.
 760
 761 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 762
 763         * ztest.c: #include <errno.h>.
 764         (TEST_TIMING): Don't define, don't test.
 765         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 766         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 767         (ZLIB_CLOCK_GETTIME_ARG): Define.
 768         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 769         * Makefile.am: Likewise.
 770         * configure, Makefile.in: Rebuild.
 771
 772 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 773
 774         PR other/67165
 775         * Makefile.am: Append the content of clock_gettime_link to
 776         ztest_LDADD.
 777         * configure.ac: Test for the case that clock_gettime is in librt.
 778         * Makefile.in: Regenerate.
 779         * configure: Likewise.
 780
 781         PR other/67165
 782         * configure.ac: Check for clock_gettime.
 783         * config.h.in: Regenerate.
 784         * configure: Likewise.
 785         * ztest.c (average_time, test_large): Conditionalize test timing
 786         on clock_gettime availability.
 787
 788 2017-09-29  Tony Reix  <tony.reix@atos.net>
 789
 790         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 791         (STYP_DWARF, SSUBTYP_DW*): Define.
 792         (enum dwarf_section): Define.
 793         (struct dwsect_info): Define.
 794         (xcoff_add): Look for DWARF sections, pass them to
 795         backtrace_dwarf_add.
 796
 797 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 798
 799         PR other/67165
 800         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 801         (unlikely): Define.
 802         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 803         (b_elf_chdr): Define type.
 804         (enum debug_section): Add ZDEBUG_xxx values.
 805         (debug_section_names): Add names for new sections.
 806         (struct debug_section_info): Add compressed field.
 807         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 808         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 809         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 810         (HUFFMAN_SECONDARY_SHIFT): Define.
 811         (ZDEBUG_TABLE_SIZE): Define.
 812         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 813         (final_next_secondary): New static variable if
 814         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 815         (elf_zlib_inflate_table): New static function.
 816         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 817         function to produce fixed Huffman table.
 818         (elf_zlib_default_table): New static variable.
 819         (elf_zlib_inflate): New static function.
 820         (elf_zlib_verify_checksum): Likewise.
 821         (elf_zlib_inflate_and_verify): Likewise.
 822         (elf_uncompress_zdebug): Likewise.
 823         (elf_uncompress_chdr): Likewise.
 824         (backtrace_uncompress_zdebug): New extern function.
 825         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 826         sections, and uncompress them.
 827         * internal.h (backtrace_compress_zdebug): Declare.
 828         * ztest.c: New file.
 829         * configure.ac: Check for -lz and check whether the linker
 830         supports --compress-debug-sections.
 831         * Makefile.am (ztest_SOURCES): New variable.
 832         (ztest_CFLAGS, ztest_LDADD): New variables.
 833         (check_PROGRAMS): Add ztest.
 834         (ctestg_SOURCES): New variable.
 835         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 836         (ctesta_SOURCES): New variable.
 837         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 838         (check_PROGRAMS): Add ctestg and ctesta.
 839         * configure, config.h.in, Makefile.in: Rebuild.
 840
 841 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 842
 843         PR sanitizer/77631
 844         * configure.ac: Check for lstat and readlink.
 845         * elf.c (lstat, readlink): Provide dummy versions if real versions
 846         are not available.
 847         * configure, config.h.in: Rebuild.
 848
 849 2017-09-21  Ian Lance Taylor  <iant@google.com>
 850
 851         PR go/82284
 852         * elf.c (backtrace_initialize): Set pd.exe_filename.
 853
 854 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 855             Denis Khalikov  <d.khalikov@partner.samsung.com>
 856
 857         PR sanitizer/77631
 858         Support for external debug info.
 859         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 860         (S_ISLNK): Define if not defined.
 861         (xstrnlen): Define if strnlen is not available.
 862         (b_elf_note): Define type.
 863         (NT_GNU_BUILD_ID): Define macro.
 864         (elf_crc32, elf_crc32_file): New static functions.
 865         (elf_is_symlink, elf_readlink): New static functions.
 866         (elf_open_debugfile_by_buildid): New static function.
 867         (elf_try_debugfile): New static function.
 868         (elf_find_debugfile_by_debuglink): New static function.
 869         (elf_open_debugfile_by_debuglink): New static function.
 870         (elf_add): Add filename and debuginfo parameters.  Adjust all
 871         callers.  Look for external debug info notes, and try to fetch
 872         debug info from external file.
 873         (struct phdr_data): Add exe_filename field.
 874         (phdr_callback): Pass filename to elf_add.
 875         (backtrace_initialize): Add filename parameter.
 876         * internal.h (backtrace_initialize): Add filename parameter.
 877         * fileline.c (fileline_initialize): Pass filename to
 878         backtrace_initialize.
 879         * pecoff.c (fileline_initialize): Add unused filename parameter.
 880         * unknown.c (fileline_initialize): Likewise.
 881         * xcoff.c (fileline_initialize): Likewise.
 882         * configure.ac: Check for objcopy --add-gnu-debuglink.
 883         * Makefile.am (dtest): New test target.
 884         * configure, Makefile.in: Rebuild.
 885
 886 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 887
 888         PR other/81096
 889         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 890         * Makefile.in: Regenerate.
 891
 892 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 893
 894         PR other/81096
 895         * libbacktrace/Makefile.in
 896         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 897
 898 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 899
 900         PR bootstrap/81638
 901         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 902
 903 2017-07-28  Tony Reix  <tony.reix@atos.net>
 904
 905         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 906
 907 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 908
 909         * fileline.c (fileline_initialize): Print pid_t as long.
 910
 911 2017-07-26  Tony Reix  <tony.reix@atos.net>
 912
 913         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 914         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 915         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 916         * configure, config.h.in: Regenerate.
 917
 918 2017-07-21  Tony Reix  <tony.reix@atos.net>
 919
 920         * filetype.awk: Add AIX XCOFF type detection.
 921         * configure.ac: Recognize xcoff format.
 922         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 923         * fileline.c: Include <unistd.h>.
 924         (fileline_initialize): Add case for AIX procfs.
 925         * xcoff.c: New file.
 926         * configure, Makefile.in: Rebuild.
 927
 928 2017-06-21  Richard Biener  <rguenther@suse.de>
 929
 930         * configure.ac: Add AC_SYS_LARGEFILE.
 931         * config.h.in: Regenerate.
 932         * configure: Likewise.
 933
 934 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 935
 936         * elf.c (backtrace_initialize): Always set *fileline_fn.
 937         * ttest.c: New file.
 938         * btest.c: Move support functions into testlib.c.  Change calls to
 939         check to pass file name.
 940         * testlib.c: New file, copied from (part of) btest.c.
 941         * testlib.h: New file, declarations for testlib.c.
 942         * edtest.c: Use testlib.h and testlib.c.
 943         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 944         * Makefile.am (btest_SOURCES): Add testlib.c.
 945         (edtest_SOURCES): Likewise.
 946         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 947         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 948         * configure, Makefile.in: Rebuild.
 949
 950 2017-05-19  Than McIntosh  <thanm@google.com>
 951
 952         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 953         (read_line_header): Don't allocate dirs if dirs_count == 0.
 954         * edtest.c: New file.
 955         * edtest2.c: New file.
 956         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 957         (check_PROGRAMS): Add edtest.
 958         (edtest2_build.c, gen_edtest2_build): New targets.
 959         * Makefile.in: Rebuild.
 960
 961 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 962
 963         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 964         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 965
 966 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 967
 968         Update copyright years.
 969
 970 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 971
 972         * configure: Regenerate.
 973
 974 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 975
 976         * all: Remove meaningless trailing whitespace.
 977
 978 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 979
 980         PR target/71161
 981         * elf.c (phdr_callback) [__i386__]: Add
 982         __attribute__((__force_align_arg_pointer__)).
 983
 984 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 985
 986         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 987         avoid possible crash.
 988         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 989         missing debug info anymore.
 990
 991 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 992
 993         * mmap.c (MAP_FAILED): Define if not defined.
 994
 995 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 996
 997         Update copyright years.
 998
 999 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
1000
1001         * configure.ac: Specify that DJGPP do not have mmap
1002         even when sys/mman.h exists.
1003         * configure: Regenerate
1004
1005 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
1006
1007         PR libgfortran/68115
1008         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1009         * configure: Regenerate.
1010         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1011         to void.
1012
1013 2015-09-17  Ian Lance Taylor  <iant@google.com>
1014
1015         * posix.c (backtrace_open): Cast second argument of open() to int.
1016
1017 2015-09-11  Ian Lance Taylor  <iant@google.com>
1018
1019         * Makefile.am (backtrace.lo): Depend on internal.h.
1020         (sort.lo, stest.lo): Add explicit dependencies.
1021         * Makefile.in: Rebuild.
1022
1023 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
1024
1025         * backtrace.c: #include <sys/types.h>.
1026
1027 2015-09-08  Ian Lance Taylor  <iant@google.com>
1028
1029         PR other/67457
1030         * backtrace.c: #include "internal.h".
1031         (struct backtrace_data): Add can_alloc field.
1032         (unwind): If can_alloc is false, don't try to get file/line
1033         information.
1034         (backtrace_full): Set can_alloc field in bdata.
1035         * alloc.c (backtrace_alloc): Don't call error_callback if it is
1036         NULL.
1037         * mmap.c (backtrace_alloc): Likewise.
1038         * internal.h: Update comments for backtrace_alloc and
1039         backtrace_free.
1040
1041 2015-09-08  Ian Lance Taylor  <iant@google.com>
1042
1043         PR other/67457
1044         * mmap.c (backtrace_alloc): Correct test for mmap failure.
1045
1046 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1047
1048         * configure.ac: For spu-*-* targets, set have_fcntl to no.
1049         * configure: Regenerate.
1050
1051 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1052
1053         * configure.ac: Remove [disable-shared] argument to LT_INIT.
1054         Remove setting PIC_FLAG when building as target library.
1055         * configure: Regenerate.
1056
1057 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
1058
1059         * configure.ac: Only compile with -fPIC if the target
1060         supports it.
1061         * configure: Regenerate.
1062
1063 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1064
1065         * configure.ac: Set have_mmap to no on spu-*-* targets.
1066         * configure: Regenerate.
1067
1068 2015-08-13  Ian Lance Taylor  <iant@google.com>
1069
1070         * dwarf.c (read_function_entry): Add vec_inlined parameter.
1071         Change all callers.
1072
1073 2015-06-11  Martin Sebor  <msebor@redhat.com>
1074
1075         PR sanitizer/65479
1076         * dwarf.c (struct line): Add new field idx.
1077         (line_compare): Use it.
1078         (add_line): Set it.
1079         (read_line_info): Reset it.
1080
1081 2015-05-29  Tristan Gingold  <gingold@adacore.com>
1082
1083         * pecoff.c: New file.
1084         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1085         * Makefile.in: Regenerate.
1086         * filetype.awk: Detect pecoff.
1087         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1088         Add pecoff.
1089         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1090         true.
1091         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1092         * configure: Regenerate.
1093         * pecoff.c: New file.
1094
1095 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
1096
1097         * Makefile.in: Regenerated with automake-1.11.6.
1098         * aclocal.m4: Likewise.
1099         * configure: Likewise.
1100
1101 2015-01-24  Matthias Klose  <doko@ubuntu.com>
1102
1103         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1104         * configure: Regenerate.
1105
1106 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
1107
1108         Update copyright years.
1109
1110 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1111
1112         PR bootstrap/63784
1113         * configure: Regenerated.
1114
1115 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
1116
1117         * ChangeLog.jit: New.
1118
1119 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1120
1121         PR target/63610
1122         * configure: Regenerate.
1123
1124 2014-10-23  Ian Lance Taylor  <iant@google.com>
1125
1126         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1127         Fix to return void *.
1128
1129 2014-05-08  Ian Lance Taylor  <iant@google.com>
1130
1131         * mmap.c (backtrace_free): If freeing a large aligned block of
1132         memory, call munmap rather than holding onto it.
1133         (backtrace_vector_grow): When growing a vector, double the number
1134         of pages requested.  When releasing the old version of a grown
1135         vector, pass the correct size to backtrace_free.
1136
1137 2014-03-07  Ian Lance Taylor  <iant@google.com>
1138
1139         * sort.c (backtrace_qsort): Use middle element as pivot.
1140
1141 2014-03-06  Ian Lance Taylor  <iant@google.com>
1142
1143         * sort.c: New file.
1144         * stest.c: New file.
1145         * internal.h (backtrace_qsort): Declare.
1146         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1147         (read_line_info, read_function_entry): Likewise.
1148         (read_function_info, build_dwarf_data): Likewise.
1149         * elf.c (elf_initialize_syminfo): Likewise.
1150         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1151         (stest_SOURCES, stest_LDADD): Define.
1152         (check_PROGRAMS): Add stest.
1153
1154 2014-02-07  Misty De Meo  <misty@brew.sh>
1155
1156         PR target/58710
1157         * configure.ac: Use AC_LINK_IFELSE in check for
1158         _Unwind_GetIPInfo.
1159         * configure: Regenerate.
1160
1161 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1162
1163         Update copyright years
1164
1165 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
1166
1167         * elf.c (ET_DYN): Undefine and define again.
1168         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1169         return early -1 without closing the descriptor.
1170         (struct phdr_data): Add exe_descriptor.
1171         (phdr_callback): If pd->exe_descriptor is not -1, for very first
1172         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1173         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
1174         call to elf_add.
1175         (backtrace_initialize): Adjust call to elf_add.  If it returns
1176         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1177
1178 2013-12-05  Ian Lance Taylor  <iant@google.com>
1179
1180         * alloc.c (backtrace_vector_finish): Add error_callback and data
1181         parameters.  Call backtrace_vector_release.  Return address base.
1182         * mmap.c (backtrace_vector_finish): Add error_callback and data
1183         parameters.  Return address base.
1184         * dwarf.c (read_function_info): Get new address base from
1185         backtrace_vector_finish.
1186         * internal.h (backtrace_vector_finish): Update declaration.
1187
1188 2013-11-27  Ian Lance Taylor  <iant@google.com>
1189
1190         * dwarf.c (find_address_ranges): New static function, broken out
1191         of build_address_map.
1192         (build_address_map): Call it.
1193         * btest.c (check): Check for missing filename or function, rather
1194         than crashing.
1195         (f3): Check that enough frames were returned.
1196
1197 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
1198
1199         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1200         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1201         last argument.
1202         * btest.c (struct symdata): Add size field.
1203         (callback_three): Add symsize argument.  Copy it to the data->size
1204         field.
1205         (f23): Set symdata.size to 0.
1206         (test5): Likewise.  If sizeof (int) > 1, lookup address of
1207         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
1208         values.
1209
1210         * atomic.c: Include sys/types.h.
1211
1212 2013-11-18  Ian Lance Taylor  <iant@google.com>
1213
1214         * configure.ac: Check for support of __atomic extensions.
1215         * internal.h: Declare or #define atomic functions for use in
1216         backtrace code.
1217         * atomic.c: New file.
1218         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1219         (dwarf_fileline, backtrace_dwarf_add): Likewise.
1220         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1221         (backtrace_initialize): Likewise.
1222         * fileline.c (fileline_initialize): Likewise.
1223         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1224         * configure, config.h.in, Makefile.in: Rebuild.
1225
1226 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1227
1228         * elf.c (SHN_UNDEF): Define.
1229         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1230         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1231         (elf_add): Adjust caller.
1232
1233         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1234
1235 2013-11-16  Ian Lance Taylor  <iant@google.com>
1236
1237         * backtrace.h (backtrace_create_state): Correct comment about
1238         threading.
1239
1240 2013-11-15  Ian Lance Taylor  <iant@google.com>
1241
1242         * backtrace.h (backtrace_syminfo): Update comment and parameter
1243         name to take any address, not just a PC value.
1244         * elf.c (STT_OBJECT): Define.
1245         (elf_nosyms): Rename parameter pc to addr.
1246         (elf_symbol_search): Rename local variable pc to addr.
1247         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1248         (elf_syminfo): Rename parameter pc to addr.
1249         * btest.c (global): New global variable.
1250         (test5): New test.
1251         (main): Call test5.
1252
1253 2013-10-17  Ian Lance Taylor  <iant@google.com>
1254
1255         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1256         is missing.
1257
1258 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1259
1260         * configure.ac: Add --enable-host-shared, setting up
1261         pre-existing PIC_FLAG variable within Makefile.am et al.
1262         * configure: Regenerate.
1263
1264 2013-09-20  Alan Modra  <amodra@gmail.com>
1265
1266         * configure: Regenerate.
1267
1268 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1269
1270         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1271
1272 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1273
1274         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1275         dl_iterate_phdr callbacks.
1276
1277 2013-03-25  Ian Lance Taylor  <iant@google.com>
1278
1279         * alloc.c: #include <sys/types.h>.
1280         * mmap.c: Likewise.
1281
1282 2013-01-31  Ian Lance Taylor  <iant@google.com>
1283
1284         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1285         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1286
1287 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1288
1289         PR other/56076
1290         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1291         attribute was not seen.
1292
1293 2013-01-16  Ian Lance Taylor  <iant@google.com>
1294
1295         * dwarf.c (struct unit): Add filename and abs_filename fields.
1296         (build_address_map): Set new fields when reading unit.
1297         (dwarf_lookup_pc): If we don't find an entry in the line table,
1298         just return the main file name.
1299
1300 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1301
1302         Update copyright years.
1303
1304 2013-01-01  Ian Lance Taylor  <iant@google.com>
1305
1306         PR bootstrap/54834
1307         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1308         $(MULTIBUILDTOP)/../../gcc/include.
1309         * Makefile.in: Rebuild.
1310
1311 2013-01-01  Ian Lance Taylor  <iant@google.com>
1312
1313         PR other/55536
1314         * mmap.c (backtrace_alloc): Don't call sync functions if not
1315         threaded.
1316         (backtrace_free): Likewise.
1317
1318 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1319
1320         * mmapio.c: Define MAP_FAILED if not defined.
1321
1322 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1323
1324         PR bootstrap/54926
1325         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1326         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1327         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1328         accepts it.
1329         * Makefile.in: Regenerated.
1330         * configure: Regenerated.
1331
1332 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR bootstrap/54926
1335         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1336         * Makefile.in: Regenerated.
1337
1338 2012-11-20  Ian Lance Taylor  <iant@google.com>
1339
1340         * dwarf.c (read_attribute): Always clear val.
1341
1342 2012-11-13  Ian Lance Taylor  <iant@google.com>
1343
1344         PR other/55312
1345         * configure.ac: Only add -Werror if building a target library.
1346         * configure: Rebuild.
1347
1348 2012-11-12  Ian Lance Taylor  <iant@google.com>
1349             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1350             Gerald Pfeifer  <gerald@pfeifer.com>
1351
1352         * configure.ac: Check for getexecname.
1353         * fileline.c: #include <errno.h>.  Define getexecname if not
1354         available.
1355         (fileline_initialize): Try to find the executable in a few
1356         different ways.
1357         * print.c (error_callback): Only print the filename if it came
1358         from the backtrace state.
1359         * configure, config.h.in: Rebuild.
1360
1361 2012-10-29  Ian Lance Taylor  <iant@google.com>
1362
1363         * mmap.c (backtrace_vector_release): Correct last patch: add
1364         aligned, not size.
1365
1366 2012-10-29  Ian Lance Taylor  <iant@google.com>
1367
1368         * mmap.c (backtrace_vector_release): Make sure freed block is
1369         aligned on 8-byte boundary.
1370
1371 2012-10-26  Ian Lance Taylor  <iant@google.com>
1372
1373         PR other/55087
1374         * posix.c (backtrace_open): Add does_not_exist parameter.
1375         * elf.c (phdr_callback): Do not warn if shared library could not
1376         be opened.
1377         * fileline.c (fileline_initialize): Update calls to
1378         backtrace_open.
1379         * internal.h (backtrace_open): Update declaration.
1380
1381 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1382
1383         PR target/55061
1384         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1385         * configure: Regenerate.
1386
1387 2012-10-24  Ian Lance Taylor  <iant@google.com>
1388
1389         PR target/55061
1390         * configure.ac: Check whether -funwind-tables option works.
1391         * configure: Rebuild.
1392
1393 2012-10-11  Ian Lance Taylor  <iant@google.com>
1394
1395         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1396         * configure: Rebuild.
1397
1398 2012-10-10  Ian Lance Taylor  <iant@google.com>
1399
1400         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1401         lower case.
1402
1403 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1404
1405         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1406
1407 2012-10-09  Ian Lance Taylor  <iant@google.com>
1408
1409         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1410         (backtrace_dwarf_add): Likewise.
1411
1412 2012-10-09  Ian Lance Taylor  <iant@google.com>
1413
1414         Add support for tracing through shared libraries.
1415         * configure.ac: Check for link.h and dl_iterate_phdr.
1416         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1417         ELF macros before #defining them.
1418         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1419         dl_iterate_phdr.
1420         (struct elf_syminfo_data): Add next field.
1421         (elf_initialize_syminfo): Initialize next field.
1422         (elf_add_syminfo_data): New static function.
1423         (elf_add): New static function, broken out of
1424         backtrace_initialize.  Call backtrace_dwarf_add instead of
1425         backtrace_dwarf_initialize.
1426         (struct phdr_data): Define.
1427         (phdr_callback): New static function.
1428         (backtrace_initialize): Call elf_add.
1429         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1430         (add_unit_addr): Add base_address parameter.  Change all callers.
1431         (add_unit_ranges, build_address_map): Likewise.
1432         (add_line): Add ddata parameter.  Change all callers.
1433         (read_line_program, add_function_range): Likewise.
1434         (dwarf_lookup_pc): New static function, broken out of
1435         dwarf_fileline.
1436         (dwarf_fileline): Call dwarf_lookup_pc.
1437         (build_dwarf_data): New static function.
1438         (backtrace_dwarf_add): New function.
1439         (backtrace_dwarf_initialize): Remove.
1440         * internal.h (backtrace_dwarf_initialize): Don't declare.
1441         (backtrace_dwarf_add): Declare.
1442         * configure, config.h.in: Rebuild.
1443
1444 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1445
1446         * btest.c (f23): Avoid uninitialized variable warning.
1447
1448 2012-10-04  Ian Lance Taylor  <iant@google.com>
1449
1450         * dwarf.c: If the system header files do not declare strnlen,
1451         provide our own version.
1452
1453 2012-10-03  Ian Lance Taylor  <iant@google.com>
1454
1455         * dwarf.c (read_uleb128): Fix overflow test.
1456         (read_sleb128): Likewise.
1457         (build_address_map): Don't change unit_buf.start.
1458
1459 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         PR other/54761
1462         * configure.ac (EXTRA_FLAGS): New.
1463         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1464         * configure, Makefile.in: Regenerate.
1465
1466 2012-09-29  Ian Lance Taylor  <iant@google.com>
1467
1468         PR other/54749
1469         * fileline.c (fileline_initialize): Pass errnum as -1 when
1470         reporting that we could not read executable information after a
1471         previous failure.
1472
1473 2012-09-27  Ian Lance Taylor  <iant@google.com>
1474
1475         PR bootstrap/54732
1476         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1477         * Makefile.am: Add dependencies for all objects.
1478         * configure, aclocal.m4, Makefile.in: Rebuild.
1479
1480 2012-09-27  Ian Lance Taylor  <iant@google.com>
1481
1482         PR other/54726
1483         * elf.c (backtrace_initialize): Set *fileln_fn, not
1484         state->fileln_fn.
1485
1486 2012-09-19  Ian Lance Taylor  <iant@google.com>
1487
1488         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1489         as a target library.
1490         * configure: Rebuild.
1491
1492 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1493             Ian Lance Taylor  <iant@google.com>
1494
1495         * configure.ac (GCC_HEADER_STDINT): Invoke.
1496         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1497         * btest.c: Don't include <stdint.h>.
1498         * dwarf.c: Likewise.
1499         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1500
1501 2012-09-18  Ian Lance Taylor  <iant@google.com>
1502
1503         PR bootstrap/54623
1504         * Makefile.am (AM_CPPFLAGS): Define.
1505         (AM_CFLAGS): Remove -I options.
1506         * Makefile.in: Rebuild.
1507
1508 2012-09-18  Ian Lance Taylor  <iant@google.com>
1509
1510         * posix.c (O_BINARY): Define if not defined.
1511         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1512         HAVE_FCNTL is defined.
1513         * configure.ac: Test for the fcntl function.
1514         * configure, config.h.in: Rebuild.
1515
1516 2012-09-18  Ian Lance Taylor  <iant@google.com>
1517
1518         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1519
1520 2012-09-18  Ian Lance Taylor  <iant@google.com>
1521
1522         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1523
1524 2012-09-18  Ian Lance Taylor  <iant@google.com>
1525
1526         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1527         * mmapio.c: Don't define _GNU_SOURCE.
1528         * configure, config.h.in: Rebuild.
1529
1530 2012-09-18  Ian Lance Taylor  <iant@google.com>
1531
1532         * configure.ac: Check whether strnlen is declared.
1533         * dwarf.c: Declare strnlen if not declared.
1534         * configure, config.h.in: Rebuild.
1535
1536 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1537
1538         * fileline.c: Include <stdlib.h>.
1539         * mmap.c: Likewise.
1540
1541 2012-09-17  Ian Lance Taylor  <iant@google.com>
1542
1543         PR bootstrap/54611
1544         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1545         parameter.
1546
1547 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1548
1549         PR bootstrap/54611
1550         * nounwind.c (backtrace_simple): Add state parameter.
1551
1552 2012-09-17  Ian Lance Taylor  <iant@google.com>
1553
1554         PR bootstrap/54609
1555         * unknown.c (unknown_fileline): Add state parameter, remove
1556         fileline_data parameter, name error_callback parameter.
1557         (backtrace_initialize): Add state parameter.
1558
1559 2012-09-17  Ian Lance Taylor  <iant@google.com>
1560
1561         * Initial implementation.
1562 \f
1563 Copyright (C) 2012-2020 Free Software Foundation, Inc.
1564
1565 Copying and distribution of this file, with or without modification,
1566 are permitted in any medium without royalty provided the copyright
1567 notice and this notice are preserved.