libbacktrace/ChangeLog

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