libbacktrace/ChangeLog

   1 2020-12-02  Ian Lance Taylor  <iant@golang.org>
   2
   3         * dwarf.c (resolve_string): Use > rather than >= to check whether
   4         string index extends past buffer.
   5         (resolve_addr_index): Similarly for address index.
   6
   7 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
   8
   9         * configure: Regenerate.
  10
  11 2020-10-20  Ian Lance Taylor  <iant@golang.org>
  12
  13         * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
  14         * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
  15
  16 2020-09-28  Ian Lance Taylor  <iant@golang.org>
  17
  18         PR libbacktrace/97082
  19         * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
  20         * Makefile.in: Regenerate.
  21
  22 2020-09-28  Ian Lance Taylor  <iant@golang.org>
  23
  24         PR libbacktrace/97227
  25         * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
  26         * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
  27         * configure: Regenerate.
  28         * Makefile.in: Regenerate.
  29
  30 2020-09-23  Ian Lance Taylor  <iant@golang.org>
  31
  32         * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
  33         p->low.
  34         (dwarf_lookup_pc): Likewise.
  35
  36 2020-09-17  Ian Lance Taylor  <iant@golang.org>
  37
  38         PR libbacktrace/97080
  39         * fileline.c (backtrace_syminfo_to_full_callback): New function.
  40         (backtrace_syminfo_to_full_error_callback): New function.
  41         * elf.c (elf_nodebug): Call syminfo_fn if possible.
  42         * internal.h (struct backtrace_call_full): Define.
  43         (backtrace_syminfo_to_full_callback): Declare.
  44         (backtrace_syminfo_to_full_error_callback): Declare.
  45         * mtest.c (f3): Only check all[i] if data.index permits.
  46
  47 2020-09-16  Iain Sandoe  <iain@sandoe.co.uk>
  48
  49         * macho.c (MACH_O_CPU_TYPE_PPC): New.
  50         (MACH_O_CPU_TYPE_PPC64): New.
  51         Add compile-tests for powerpc to the Mach-O variants.
  52
  53 2020-09-14  Ian Lance Taylor  <iant@golang.org>
  54
  55         PR libbacktrace/93608
  56         Add support for MiniDebugInfo.
  57         * elf.c (struct elf_view): Define.  Replace most uses of
  58         backtrace_view with elf_view.
  59         (elf_get_view): New static functions.  Replace most calls of
  60         backtrace_get_view with elf_get_view.
  61         (elf_release_view): New static functions.  Replace most calls of
  62         backtrace_release_view with elf_release_view.
  63         (elf_uncompress_failed): Rename from elf_zlib_failed.  Change all
  64         callers.
  65         (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
  66         (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
  67         (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
  68         (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
  69         (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
  70         (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
  71         (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
  72         (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
  73         (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
  74         (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
  75         (LZMA_PROB_DIST_ALIGN_LEN): Define.
  76         (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
  77         (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
  78         (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
  79         (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
  80         (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
  81         (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
  82         (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
  83         (LZMA_PROB_REP_LEN_LOW_LEN): Define.
  84         (LZMA_PROB_REP_LEN_MID_LEN): Define.
  85         (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
  86         (LZMA_PROB_LITERAL_LEN): Define.
  87         (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
  88         (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
  89         (LZMA_PROB_IS_REP2_OFFSET): Define.
  90         (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
  91         (LZMA_PROB_DIST_SLOT_OFFSET): Define.
  92         (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
  93         (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
  94         (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
  95         (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
  96         (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
  97         (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
  98         (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
  99         (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
 100         (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
 101         (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
 102         (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
 103         (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
 104         (LZMA_PROB_LITERAL_OFFSET): Define.
 105         (LZMA_PROB_TOTAL_COUNT): Define.
 106         (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
 107         (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
 108         (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
 109         (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
 110         (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
 111         (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
 112         (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
 113         (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
 114         (elf_lzma_varint): New static function.
 115         (elf_lzma_range_normalize): New static function.
 116         (elf_lzma_bit, elf_lzma_integer): New static functions.
 117         (elf_lzma_reverse_integer): New static function.
 118         (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
 119         (elf_uncompress_lzma): New static function.
 120         (backtrace_uncompress_lzma): New function.
 121         (elf_add): Add memory and memory_size parameters.  Change all
 122         callers.  Look for .gnu_debugdata section, and, if found,
 123         decompress it and use it for symbols and debug info.  Permit the
 124         descriptor parameter to be -1.
 125         * internal.h (backtrace_uncompress_lzma): Declare.
 126         * mtest.c: New file.
 127         * xztest.c: New file.
 128         * configure.ac: Check for nm, xz, and comm programs.  Check for
 129         liblzma library.
 130         (HAVE_MINIDEBUG): Define.
 131         * Makefile.am (mtest_SOURCES): Define.
 132         (mtest_CFLAGS, mtest_LDADD): Define.
 133         (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
 134         (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
 135         (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
 136         (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
 137         (xztest_alloc_LDADD): Define.
 138         (BUILDTESTS): Add mtest, xztest, xztest_alloc.
 139         (CLEANFILES): Add files created by minidebug pattern.
 140         (btest.lo): Correct INCDIR reference.
 141         (mtest.lo, xztest.lo, ztest.lo): New targets.
 142         * configure: Regenerate.
 143         * config.h.in: Regenerate.
 144         * Makefile.in: Regenerate.
 145
 146 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 147
 148         * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
 149         (coff_add): Determine and pass is_64.
 150
 151 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 152
 153         PR libbacktrace/96973
 154         * fileline.c (macho_get_executable_path): New static function.
 155         (fileline_initialize): Call macho_get_executable_path.
 156
 157 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 158
 159         * dwarf.c (function_addrs_search): Compare against the next entry
 160         low address, not the high address.
 161         (unit_addrs_search): Likewise.
 162         (build_address_map): Add a trailing unit_addrs.
 163         (read_function_entry): Add a trailing function_addrs.
 164         (read_function_info): Likewise.
 165         (report_inlined_functions): Search backward for function_addrs
 166         match.
 167         (dwarf_lookup_pc): Search backward for unit_addrs and
 168         function_addrs matches.
 169
 170 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 171
 172         * simple.c (simple_unwind): Correct comment spelling.
 173
 174 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 175
 176         * macho.c (macho_add_dsym): Make space for '/' in dsym.  Use
 177         correct length when freeing diralc.
 178
 179 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 180
 181         PR libbacktrace/96973
 182         * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
 183
 184 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 185
 186         PR libbacktrace/96971
 187         * filetype.awk: Only match magic number at start of line.
 188
 189 2020-08-24  Ian Lance Taylor  <iant@golang.org>
 190
 191         * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
 192         (MACH_O_MH_CIGAM_FAT_64): Define.
 193         (struct macho_fat_arch_64): Define.
 194         (macho_add_fat): Add and use is_64 parameter.
 195         (macho_add): Recognize 64-bit fat files.
 196
 197 2020-07-30  H.J. Lu  <hjl.tools@gmail.com>
 198
 199         PR bootstrap/96202
 200         * configure: Regenerated.
 201
 202 2020-07-08  Ian Lance Taylor  <iant@golang.org>
 203
 204         * configure.ac: Test linker support for DWARF5
 205         * configure: Regenerate
 206
 207 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
 208
 209         PR bootstrap/95413
 210         * configure: Regenerated.
 211
 212 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 213
 214         PR bootstrap/95147
 215         * configure: Regenerated.
 216
 217 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 218
 219         * configure: Regenerated.
 220
 221 2020-05-13  Ian Lance Taylor  <iant@golang.org>
 222
 223         * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
 224
 225 2020-05-13  Ian Lance Taylor  <iant@golang.org>
 226
 227         PR go/95061
 228         * posix.c (backtrace_open): Treat EACCESS like ENOENT.
 229
 230 2020-05-12  H.J. Lu  <hongjiu.lu@intel.com>
 231
 232         * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
 233         * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
 234         AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
 235         enabled.
 236         * Makefile.in: Regenerated.
 237         * configure: Likewise.
 238
 239 2020-05-11  Ian Lance Taylor  <iant@golang.org>
 240
 241         PR libbacktrace/95012
 242         * configure.ac: Check for getpagesize declaration.
 243         * mmap.c: Declare getpagesize if necessary.
 244         * mmapio.c: Likewise.
 245         * configure: Regenerate.
 246         * config.h.in: Regenerate.
 247         * Makefile.in: Regenerate.
 248
 249 2020-05-09  Roland McGrath  <mcgrathr@google.com>
 250
 251         * elf.c (elf_add): Bail early if there are no section headers at all.
 252
 253 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 254
 255         * elf.c (elf_add): Don't free strtab if an error occurs after
 256         recording symbol information.
 257
 258 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 259
 260         PR libbacktrace/88745
 261         * macho.c: New file.
 262         * filetype.awk: Recognize Mach-O files.
 263         * Makefile.am (FORMAT_FILES): Add macho.c.
 264         (check_DATA): New variable.  Set to .dSYM if HAVE_DSYMUTIL.
 265         (%.dSYM): New pattern target.
 266         (test_macho_SOURCES, test_macho_CFLAGS): New targets.
 267         (test_macho_LDADD): New target.
 268         (BUILDTESTS): Add test_macho.
 269         (macho.lo): Add dependencies.
 270         * configure.ac: Recognize macho file type.  Check for
 271         mach-o/dyld.h.  Don't try to run objcopy if we don't find it.
 272         Look for dsymutil and define a HAVE_DSYMUTIL conditional.
 273         * Makefile.in: Regenerate.
 274         * configure: Regenerate.
 275         * config.h.in: Regenerate.
 276
 277 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 278
 279         * read.c (backtrace_get_view): Support short read.
 280
 281 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 282
 283         * elf.c (elf_add): If debug sections are very large or far apart,
 284         read them individually rather than as a single view.
 285
 286 2020-05-08  Ian Lance Taylor  <iant@golang.org>
 287
 288         * fileline.c (sysctl_exec_name): New static function.
 289         (sysctl_exec_name1): New macro or static function.
 290         (sysctl_exec_name2): Likewise.
 291         (fileline_initialize): Try sysctl_exec_name[12].
 292         * configure.ac: Check for sysctl args to fetch executable name.
 293         * configure: Regenerate.
 294         * config.h.in: Regenerate.
 295
 296 2020-02-15  Ian Lance Taylor  <iant@golang.org>
 297
 298         * ztest.c (test_large): Update file to current libgo test file.
 299
 300 2020-02-03  Ian Lance Taylor  <iant@golang.org>
 301
 302         * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
 303         (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
 304         (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
 305         (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
 306         (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
 307         (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
 308         (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
 309         (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
 310         (stest_alloc_CFLAGS): Likewise.
 311         * Makefile.in: Regenerate.
 312         * ztest.c (error_callback_compress): Mark vdata unused.
 313         (test_large): Add casts to avoid warnings.
 314
 315 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 316
 317         Update copyright years.
 318
 319 2019-12-13  Ian Lance Taylor  <iant@golang.org>
 320
 321         Add DWARF 5 support.
 322         * dwarf.c (struct attr): Add val field.
 323         (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
 324         ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
 325         (struct line_header): Add addrsize field.
 326         (struct line_header_format): Define.
 327         (struct unit): Add str_offsets_base, addr_base, and rnglists_base
 328         fields.
 329         (read_uint24): New static function.
 330         (read_attribute): Add implicit_val parameter.  Replace dwarf_str
 331         and dwarf_str_size parameters with dwarf_sections parameter.  Add
 332         support for new DWARF 5 forms.  Change all callers.
 333         (resolve_string): New static function.
 334         (resolve_addr_index): Likewise.
 335         (read_abbrevs): Support DW_FORM_implicit_const.
 336         (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
 337         and ranges_is_index fields.
 338         (update_pcrange): Support DWARF 5 encodings.
 339         (add_high_low_range): New static function, split out of
 340         add_ranges.
 341         (add_ranges_from_ranges): Likewise.
 342         (add_ranges_from_rnglists): New static function.
 343         (add_ranges): Just call new helper functions.
 344         (find_address_ranges): Use resolve_string for strings, after
 345         reading all attributes.  Handle new DWARF 5 attributes.
 346         (build_address_map): Support DWARF 5 compilation units.
 347         (read_v2_paths): New static function, split out of
 348         read_line_header.
 349         (read_lnct): New static function.
 350         (read_line_header_format_entries): Likewise.
 351         (read_line_header): Add ddata parameter.  Support DWARF 5 line
 352         headers.  Call new helper functions.  Change all callers.
 353         (read_line_program): Use addrsize from line program header.  Don't
 354         special case directory index 0 for DWARF 5.
 355         (read_referenced_name): Use resolve_string.
 356         (read_function_entry): Handle DWARF 5 encodings.  Use
 357         resolve_string.
 358         * internal.h (enum dwarf_section): Add DEBUG_ADDR,
 359         DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
 360         * elf.c (dwarf_section_names): Add new section names.
 361         * pecoff.c (dwarf_section_names): Likewise.
 362         * xcoff.c (xcoff_add): Clear dwarf_sections before setting
 363         fields.
 364         * configure.ac: Define HAVE_DWARF5 automake conditional.
 365         * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
 366         (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
 367         (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
 368         (dwarf5_alloc_LDADD): Likewise.
 369         (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
 370         (CLEANFILES, clean-local): Define.
 371
 372 2019-12-08  Ian Lance Taylor  <iant@golang.org>
 373
 374         * dwarf.c (struct pcrange): Define.
 375         (update_pcrange, add_ranges): New static functions.
 376         (add_unit_addr): Change signature to work with add_ranges.  Don't
 377         add base_address here.
 378         (add_unit_ranges): Remove.
 379         (find_address_ranges): Replace str/ranges parameters with
 380         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
 381         callers.
 382         (add_function_range): Change signature to work with add_ranges.
 383         Don't add base_address here.
 384         (add_function_ranges): Remove.
 385         (read_function_entry): Use update_pcrange and add_ranges.
 386
 387 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 388
 389         * edtest.c (test1): Add noclone attribute.
 390
 391 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 392
 393         * internal.h (enum dwarf_section): Define.
 394         (struct dwarf_sections): Define.
 395         (backtrace_dwarf_add): Update declaration to replace specific
 396         section parameters with dwarf_sections parameter.
 397         * dwarf.c (struct dwarf_data): Replace specific section fields
 398         with dwarf_sections field.
 399         (read_attribute): Use dwarf_sections with altlink.
 400         (build_address_map): Replace specific section parameters with
 401         dwarf_sections parameter.  Change all callers.
 402         (read_line_info): Use dwarf_sections with ddata.
 403         (read_referenced_name): Likewise.
 404         (add_function_ranges): Likewise.
 405         (read_function_entry): Likewise.
 406         (read_function_info): Likewise.
 407         (build_dwarf_data): Replace specific section parameters with
 408         dwarf_sections parameter.  Change all callers.
 409         (backtrace_dwarf_add): Likewise.
 410         * elf.c (enum debug_section): Remove.
 411         (dwarf_section_names): Remove .zdebug names.
 412         (elf_add): Track zsections separately.  Build dwarf_sections.
 413         * pecoff.c (enum debug_section): Remove.
 414         (struct debug_section_info): Remove data field.
 415         (coff_add): Build dwarf_sections.
 416         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
 417         references with DEBUG_xxx references.
 418         (xcoff_add): Build dwarf_sections.
 419
 420 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 421
 422         * configure: Regenerate.
 423
 424 2019-09-26  Ian Lance Taylor  <iant@golang.org>
 425
 426         PR libbacktrace/91908
 427         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
 428         __sync_bool_compare_and_swap to void.
 429         * xcoff.c (backtrace_initialize): Likewise.
 430
 431 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 432
 433         * configure.ac: Remove references to spu.
 434         * configure: Regenerate.
 435
 436 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
 437
 438         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
 439         test_elf_64.
 440         * Makefile.in: Regenerate.
 441
 442 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 443
 444         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
 445         handling.
 446         * configure: Regenerate.
 447
 448 2019-03-11  Ian Lance Taylor  <iant@golang.org>
 449
 450         PR libbacktrace/89669
 451         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
 452         HAVE_ELF.
 453         * Makefile.in: Regenerate.
 454
 455 2019-02-26  Tom de Vries  <tdevries@suse.de>
 456
 457         * btest.c (test5): Allow global.* as minimal symbol name for global.
 458
 459 2019-02-26  Tom de Vries  <tdevries@suse.de>
 460
 461         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
 462         * Makefile.in: Regenerate.
 463
 464 2019-02-12  Tom de Vries  <tdevries@suse.de>
 465
 466         PR libbacktrace/81983
 467         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
 468
 469 2019-02-10  Tom de Vries  <tdevries@suse.de>
 470
 471         * Makefile.am (BUILDTESTS): Add btest_lto.
 472         * Makefile.in: Regenerate.
 473         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 474         __attribute__((noclone)).
 475
 476 2019-02-08  Tom de Vries  <tdevries@suse.de>
 477
 478         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 479         * print.c (backtrace_print): Same.
 480         * simple.c (backtrace_simple): Same.
 481
 482 2019-02-08  Tom de Vries  <tdevries@suse.de>
 483
 484         PR libbacktrace/78063
 485         * dwarf.c (build_address_map): Keep all parsed units.
 486         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 487
 488 2019-01-31  Tom de Vries  <tdevries@suse.de>
 489
 490         PR libbacktrace/89136
 491         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 492         'debugaltlink_name_len =+ 1'.
 493
 494 2019-01-29  Tom de Vries  <tdevries@suse.de>
 495
 496         * install-debuginfo-for-buildid.sh.in: New script.
 497         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 498         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 499         * Makefile.in: Regenerate.
 500         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 501         (READELF): Set with AC_CHECK_PROG.
 502         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 503         * configure: Regenerate.
 504         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 505         (elf_open_debugfile_by_buildid): ... here.
 506
 507 2019-01-29  Tom de Vries  <tdevries@suse.de>
 508
 509         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 510         allocfail.
 511         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 512         (check_PROGRAMS): Add BUILDTESTS.
 513         * Makefile.in: Regenerate.
 514
 515 2019-01-28  Tom de Vries  <tdevries@suse.de>
 516
 517         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 518         Use $< to access prerequisite.
 519         * Makefile.in: Regenerate.
 520
 521 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 522
 523         * elf.c (elf_add): Pass "" filename to recursive call with
 524         separated debug.
 525
 526 2019-01-25  Tom de Vries  <tdevries@suse.de>
 527
 528         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 529         filename == "".
 530         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 531         * Makefile.in: Regenerate.
 532
 533 2019-01-25  Tom de Vries  <tdevries@suse.de>
 534
 535         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 536         (TESTS): Rename dtest to btest_gnudebuglink.
 537         * Makefile.in: Regenerate.
 538
 539 2019-01-23  Tom de Vries  <tdevries@suse.de>
 540
 541         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 542         (units_search, find_unit): Use size_t for offset.
 543         (build_address_map): Use size_t for unit_offset.
 544
 545 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 546
 547         * allocfail.c (main): Increase portability of printf statement.
 548
 549 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 550
 551         PR libbacktrace/88890
 552         * mmapio.c (backtrace_get_view): Change size parameter to
 553         uint64_t.  Check that value fits in size_t.
 554         * read.c (backtrace_get_view): Likewise.
 555         * internal.h (backtrace_get_view): Update declaration.
 556         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 557
 558 2019-01-17  Tom de Vries  <tdevries@suse.de>
 559
 560         PR libbacktrace/82857
 561         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 562         (HAVE_DWZ): Set with AM_CONDITIONAL.
 563         * configure: Regenerate.
 564         * Makefile.am (TESTS): Add btest_dwz.
 565         * Makefile.in: Regenerate.
 566
 567 2019-01-17  Tom de Vries  <tdevries@suse.de>
 568
 569         PR libbacktrace/82857
 570         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 571         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 572         ATTR_VAL_REF_ALT_INFO.
 573         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 574
 575 2019-01-17  Tom de Vries  <tdevries@suse.de>
 576
 577         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 578         (struct unit_vector): New type.
 579         (struct dwarf_data): Add units and units_counts fields.
 580         (find_unit): New function.
 581         (find_address_ranges): Add and handle unit_tag parameter.
 582         (build_address_map): Add and handle units_vec parameter.
 583         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 584         units vector.
 585
 586 2019-01-17  Tom de Vries  <tdevries@suse.de>
 587
 588         PR libbacktrace/82857
 589         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 590         using altlink.
 591
 592 2019-01-17  Tom de Vries  <tdevries@suse.de>
 593
 594         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 595         (read_attribute): Add altlink parameter.  Handle missing altlink for
 596         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 597         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 598         handle altlink parameter.
 599         (read_referenced_name, read_function_entry): Add argument to
 600         read_attribute call.
 601
 602 2019-01-17  Tom de Vries  <tdevries@suse.de>
 603
 604         * dwarf.c (struct dwarf_data): Add altlink field.
 605         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 606         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 607         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 608         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 609         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 610         * xcoff.c (xcoff_add): Same.
 611
 612 2019-01-17  Tom de Vries  <tdevries@suse.de>
 613
 614         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 615         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 616         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 617         argument to backtrace_dwarf_add call.
 618         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 619         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 620         * xcoff.c (xcoff_add): Same.
 621
 622 2019-01-17  Tom de Vries  <tdevries@suse.de>
 623
 624         * elf.c (elf_add): Add and handle with_buildid_data and
 625         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 626         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 627
 628 2019-01-16  Tom de Vries  <tdevries@suse.de>
 629
 630         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 631         of ...
 632         (read_referenced_name): ... here, and ...
 633         (read_function_entry): ... here.
 634
 635 2019-01-16  Tom de Vries  <tdevries@suse.de>
 636
 637         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 638         name.
 639         (read_function_entry): Same.  Don't allow name found via
 640         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 641         name.
 642
 643 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 644
 645         PR other/16615
 646
 647         * backtrace.h: Mechanically replace "can not" with "cannot".
 648
 649 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 650
 651         Update copyright years.
 652
 653 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 654
 655         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 656         in sed pattern.
 657         * Makefile.in: Regenerate.
 658
 659 2018-12-28  Tom de Vries  <tdevries@suse.de>
 660
 661         * dwarf.c (build_address_map): Reuse unused units.
 662
 663 2018-12-28  Tom de Vries  <tdevries@suse.de>
 664
 665         * dwarf.c (build_address_map): Simplify by removing local variable
 666         abbrevs.
 667
 668 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 669             Tom de Vries  <tdevries@suse.de>
 670
 671         PR libbacktrace/88063
 672         * dwarf.c (free_unit_addrs_vector): Remove.
 673         (build_address_map): Keep track of allocated units in vector.  Free
 674         allocated units and corresponding abbrevs upon failure.  Remove now
 675         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 676         failure.  Free allocated unit vector.
 677
 678 2018-12-28  Tom de Vries  <tdevries@suse.de>
 679
 680         * dwarf.c (build_address_map): Free addrs vector upon failure.
 681
 682 2018-12-14  Tom de Vries  <tdevries@suse.de>
 683
 684         PR testsuite/88491
 685         * allocfail.sh: Remove "set -o pipefail".
 686
 687 2018-12-12  Tom de Vries  <tdevries@suse.de>
 688
 689         * Makefile.am (TESTS): Add allocfail.sh.
 690         (check_PROGRAMS): Add allocfail.
 691         * Makefile.in: Regenerate.
 692         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 693         Include alloc.c.
 694         * allocfail.c: New file.
 695         * allocfail.sh: New file.
 696
 697 2018-11-30  Tom de Vries  <tdevries@suse.de>
 698
 699         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 700         test_xcoff_64, test_pecoff and test_unknown.
 701         * Makefile.in: Regenerate.
 702         * test_format.c: New file.
 703
 704 2018-11-30  Tom de Vries  <tdevries@suse.de>
 705
 706         * Makefile.am : Add _with_alloc version for each test in
 707         check_PROGRAMS.
 708         * Makefile.in: Regenerate.
 709
 710 2018-11-30  Tom de Vries  <tdevries@suse.de>
 711
 712         * internal.h (backtrace_vector_free): New static inline fuction,
 713         factored out of ...
 714         * dwarf.c (read_line_info): ... here.
 715
 716 2018-11-28  Tom de Vries  <tdevries@suse.de>
 717
 718         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 719         failure.
 720
 721 2018-11-27  Tom de Vries  <tdevries@suse.de>
 722
 723         * mmap.c (backtrace_vector_release): Same.
 724         * unittest.c (test1): Add check.
 725
 726 2018-11-27  Tom de Vries  <tdevries@suse.de>
 727
 728         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 729         instead of realloc.
 730         * Makefile.am (check_PROGRAMS): Add unittest.
 731         * Makefile.in: Regenerate.
 732         * unittest.c: New file.
 733
 734 2018-11-22  Tom de Vries  <tdevries@suse.de>
 735
 736         * dwarf.c (read_initial_length): Factor out of ...
 737         (build_address_map, read_line_info): ... here.
 738
 739 2018-11-21  Tom de Vries  <tdevries@suse.de>
 740
 741         * dwarf.c (read_string): Factor out of ...
 742         (read_attribute, read_line_header, read_line_program): ... here.
 743
 744 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 745
 746         PR bootstrap/82856
 747         * Makefile.am: Include multilib.am.
 748         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 749         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 750
 751 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 752
 753         PR libbacktrace/87529
 754         * backtrace.h: Document that backtrace_create_state should be
 755         called only once.
 756
 757 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 758
 759         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 760         * Makefile.in: Regenerate.
 761         * config.h.in: Likewise.
 762         * configure: Likewise.
 763
 764 2018-08-01  Tony Reix  <tony.reix@atos.net>
 765
 766         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 767         (struct xcoff_func, struct xcoff_func_vector): New structs.
 768         (xcoff_syminfo): Drop leading dot from symbol name.
 769         (xcoff_line_compare, xcoff_line_search): Remove.
 770         (xcoff_func_compare, xcoff_func_search): New static functions.
 771         (xcoff_lookup_pc): Search function table.
 772         (xcoff_add_line, xcoff_process_linenos): Remove.
 773         (xcoff_initialize_fileline): Build function table.
 774
 775 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 776
 777         PR other/86198
 778         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 779         checking up to 36 bytes.
 780
 781 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 782
 783         * configure: Regenerated.
 784
 785 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 786
 787         * configure: Regenerated.
 788
 789 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 790
 791         * backtrace.c: Revert last two changes.  Don't call mmap
 792         directly.
 793
 794 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 795
 796         * backtrace.c: Include backtrace-supported.h before checking
 797         BACKTRACE_USES_MALLOC.
 798
 799 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 800
 801         * backtrace.c (backtrace_full): When testing whether we can
 802         allocate memory, call mmap directly, and munmap the memory.
 803
 804 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 805
 806         PR other/85161
 807         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 808         big endian, only use 32-bit loads if endianity macros are predefined
 809         and indicate big or little endian.
 810
 811 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 812
 813         PR target/84148
 814         * configure: Regenerate.
 815
 816 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 817
 818         PR other/82368
 819         * elf.c (SHT_PROGBITS): Undefine and define.
 820
 821 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 822
 823         PR other/82368
 824         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 825         (struct elf_ppc64_opd_data): New type.
 826         (elf_initialize_syminfo): Add opd argument, handle symbols
 827         pointing into the PowerPC64 ELFv1 .opd section.
 828         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 829         to structure with .opd data to elf_initialize_syminfo.
 830
 831 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 832
 833         * elf.c (elf_add): Close descriptor if we use a debugfile.
 834         * btest.c (check_open_files): New static function.
 835         (main): Call check_open_files.
 836
 837 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 838
 839         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 840         desired CRC is zero.
 841         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 842
 843 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 844
 845         * pecoff.c (coff_add): Only release syms_view if it is valid.
 846
 847 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 848
 849         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 850
 851 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 852
 853         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 854
 855 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 856
 857         PR other/68239
 858         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 859         on the free list.
 860
 861 2018-01-19  Tony Reix  <tony.reix@atos.net>
 862
 863         * xcoff.c (xcoff_incl_compare): New function.
 864         (xcoff_incl_search): New function.
 865         (xcoff_process_linenos): Use bsearch to find include file.
 866         (xcoff_initialize_fileline): Sort include file information.
 867
 868 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 869
 870         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 871         288.
 872         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 873         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 874         (elf_zlib_default_table): Update.
 875         (elf_zlib_default_dist_table): New static array.
 876         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 877         for block type 1.
 878         * ztest.c (struct zlib_test): Add uncompressed_len.
 879         (tests): Initialize uncompressed_len field.  Add new test case.
 880         (test_samples): Use uncompressed_len field.
 881
 882 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 883
 884         Update copyright years.
 885
 886 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 887
 888         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 889         * aclocal.m4: Regenerate.
 890         * Makefile.in: Likewise.
 891         * configure: Likewise.
 892
 893 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 894
 895         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 896         zlib uncompress function.
 897
 898 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 899
 900         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 901         Read a four byte integer.
 902         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 903         boundary before ever calling elf_zlib_fetch.
 904         * ztest.c (test_large): Simplify print statements a bit.
 905
 906 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 907
 908         * ztest.c: #include <errno.h>.
 909         (TEST_TIMING): Don't define, don't test.
 910         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 911         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 912         (ZLIB_CLOCK_GETTIME_ARG): Define.
 913         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 914         * Makefile.am: Likewise.
 915         * configure, Makefile.in: Rebuild.
 916
 917 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 918
 919         PR other/67165
 920         * Makefile.am: Append the content of clock_gettime_link to
 921         ztest_LDADD.
 922         * configure.ac: Test for the case that clock_gettime is in librt.
 923         * Makefile.in: Regenerate.
 924         * configure: Likewise.
 925
 926         PR other/67165
 927         * configure.ac: Check for clock_gettime.
 928         * config.h.in: Regenerate.
 929         * configure: Likewise.
 930         * ztest.c (average_time, test_large): Conditionalize test timing
 931         on clock_gettime availability.
 932
 933 2017-09-29  Tony Reix  <tony.reix@atos.net>
 934
 935         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 936         (STYP_DWARF, SSUBTYP_DW*): Define.
 937         (enum dwarf_section): Define.
 938         (struct dwsect_info): Define.
 939         (xcoff_add): Look for DWARF sections, pass them to
 940         backtrace_dwarf_add.
 941
 942 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 943
 944         PR other/67165
 945         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 946         (unlikely): Define.
 947         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 948         (b_elf_chdr): Define type.
 949         (enum debug_section): Add ZDEBUG_xxx values.
 950         (debug_section_names): Add names for new sections.
 951         (struct debug_section_info): Add compressed field.
 952         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 953         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 954         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 955         (HUFFMAN_SECONDARY_SHIFT): Define.
 956         (ZDEBUG_TABLE_SIZE): Define.
 957         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 958         (final_next_secondary): New static variable if
 959         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 960         (elf_zlib_inflate_table): New static function.
 961         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 962         function to produce fixed Huffman table.
 963         (elf_zlib_default_table): New static variable.
 964         (elf_zlib_inflate): New static function.
 965         (elf_zlib_verify_checksum): Likewise.
 966         (elf_zlib_inflate_and_verify): Likewise.
 967         (elf_uncompress_zdebug): Likewise.
 968         (elf_uncompress_chdr): Likewise.
 969         (backtrace_uncompress_zdebug): New extern function.
 970         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 971         sections, and uncompress them.
 972         * internal.h (backtrace_compress_zdebug): Declare.
 973         * ztest.c: New file.
 974         * configure.ac: Check for -lz and check whether the linker
 975         supports --compress-debug-sections.
 976         * Makefile.am (ztest_SOURCES): New variable.
 977         (ztest_CFLAGS, ztest_LDADD): New variables.
 978         (check_PROGRAMS): Add ztest.
 979         (ctestg_SOURCES): New variable.
 980         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 981         (ctesta_SOURCES): New variable.
 982         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 983         (check_PROGRAMS): Add ctestg and ctesta.
 984         * configure, config.h.in, Makefile.in: Rebuild.
 985
 986 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 987
 988         PR sanitizer/77631
 989         * configure.ac: Check for lstat and readlink.
 990         * elf.c (lstat, readlink): Provide dummy versions if real versions
 991         are not available.
 992         * configure, config.h.in: Rebuild.
 993
 994 2017-09-21  Ian Lance Taylor  <iant@google.com>
 995
 996         PR go/82284
 997         * elf.c (backtrace_initialize): Set pd.exe_filename.
 998
 999 2017-09-20  Ian Lance Taylor  <iant@golang.org>
1000             Denis Khalikov  <d.khalikov@partner.samsung.com>
1001
1002         PR sanitizer/77631
1003         Support for external debug info.
1004         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1005         (S_ISLNK): Define if not defined.
1006         (xstrnlen): Define if strnlen is not available.
1007         (b_elf_note): Define type.
1008         (NT_GNU_BUILD_ID): Define macro.
1009         (elf_crc32, elf_crc32_file): New static functions.
1010         (elf_is_symlink, elf_readlink): New static functions.
1011         (elf_open_debugfile_by_buildid): New static function.
1012         (elf_try_debugfile): New static function.
1013         (elf_find_debugfile_by_debuglink): New static function.
1014         (elf_open_debugfile_by_debuglink): New static function.
1015         (elf_add): Add filename and debuginfo parameters.  Adjust all
1016         callers.  Look for external debug info notes, and try to fetch
1017         debug info from external file.
1018         (struct phdr_data): Add exe_filename field.
1019         (phdr_callback): Pass filename to elf_add.
1020         (backtrace_initialize): Add filename parameter.
1021         * internal.h (backtrace_initialize): Add filename parameter.
1022         * fileline.c (fileline_initialize): Pass filename to
1023         backtrace_initialize.
1024         * pecoff.c (fileline_initialize): Add unused filename parameter.
1025         * unknown.c (fileline_initialize): Likewise.
1026         * xcoff.c (fileline_initialize): Likewise.
1027         * configure.ac: Check for objcopy --add-gnu-debuglink.
1028         * Makefile.am (dtest): New test target.
1029         * configure, Makefile.in: Rebuild.
1030
1031 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
1032
1033         PR other/81096
1034         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1035         * Makefile.in: Regenerate.
1036
1037 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
1038
1039         PR other/81096
1040         * libbacktrace/Makefile.in
1041         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1042
1043 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
1044
1045         PR bootstrap/81638
1046         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1047
1048 2017-07-28  Tony Reix  <tony.reix@atos.net>
1049
1050         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1051
1052 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1053
1054         * fileline.c (fileline_initialize): Print pid_t as long.
1055
1056 2017-07-26  Tony Reix  <tony.reix@atos.net>
1057
1058         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
1059         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1060         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1061         * configure, config.h.in: Regenerate.
1062
1063 2017-07-21  Tony Reix  <tony.reix@atos.net>
1064
1065         * filetype.awk: Add AIX XCOFF type detection.
1066         * configure.ac: Recognize xcoff format.
1067         * Makefile.am (FORMAT_FILES): Add xcoff.c.
1068         * fileline.c: Include <unistd.h>.
1069         (fileline_initialize): Add case for AIX procfs.
1070         * xcoff.c: New file.
1071         * configure, Makefile.in: Rebuild.
1072
1073 2017-06-21  Richard Biener  <rguenther@suse.de>
1074
1075         * configure.ac: Add AC_SYS_LARGEFILE.
1076         * config.h.in: Regenerate.
1077         * configure: Likewise.
1078
1079 2017-06-11  Ian Lance Taylor  <iant@golang.org>
1080
1081         * elf.c (backtrace_initialize): Always set *fileline_fn.
1082         * ttest.c: New file.
1083         * btest.c: Move support functions into testlib.c.  Change calls to
1084         check to pass file name.
1085         * testlib.c: New file, copied from (part of) btest.c.
1086         * testlib.h: New file, declarations for testlib.c.
1087         * edtest.c: Use testlib.h and testlib.c.
1088         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1089         * Makefile.am (btest_SOURCES): Add testlib.c.
1090         (edtest_SOURCES): Likewise.
1091         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1092         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1093         * configure, Makefile.in: Rebuild.
1094
1095 2017-05-19  Than McIntosh  <thanm@google.com>
1096
1097         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1098         (read_line_header): Don't allocate dirs if dirs_count == 0.
1099         * edtest.c: New file.
1100         * edtest2.c: New file.
1101         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1102         (check_PROGRAMS): Add edtest.
1103         (edtest2_build.c, gen_edtest2_build): New targets.
1104         * Makefile.in: Rebuild.
1105
1106 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
1107
1108         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1109         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1110
1111 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
1112
1113         Update copyright years.
1114
1115 2016-11-15  Matthias Klose  <doko@ubuntu.com>
1116
1117         * configure: Regenerate.
1118
1119 2016-09-11  Carlos Liam  <carlos@aarzee.me>
1120
1121         * all: Remove meaningless trailing whitespace.
1122
1123 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1124
1125         PR target/71161
1126         * elf.c (phdr_callback) [__i386__]: Add
1127         __attribute__((__force_align_arg_pointer__)).
1128
1129 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
1130
1131         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1132         avoid possible crash.
1133         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1134         missing debug info anymore.
1135
1136 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
1137
1138         * mmap.c (MAP_FAILED): Define if not defined.
1139
1140 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
1141
1142         Update copyright years.
1143
1144 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
1145
1146         * configure.ac: Specify that DJGPP do not have mmap
1147         even when sys/mman.h exists.
1148         * configure: Regenerate
1149
1150 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
1151
1152         PR libgfortran/68115
1153         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1154         * configure: Regenerate.
1155         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1156         to void.
1157
1158 2015-09-17  Ian Lance Taylor  <iant@google.com>
1159
1160         * posix.c (backtrace_open): Cast second argument of open() to int.
1161
1162 2015-09-11  Ian Lance Taylor  <iant@google.com>
1163
1164         * Makefile.am (backtrace.lo): Depend on internal.h.
1165         (sort.lo, stest.lo): Add explicit dependencies.
1166         * Makefile.in: Rebuild.
1167
1168 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
1169
1170         * backtrace.c: #include <sys/types.h>.
1171
1172 2015-09-08  Ian Lance Taylor  <iant@google.com>
1173
1174         PR other/67457
1175         * backtrace.c: #include "internal.h".
1176         (struct backtrace_data): Add can_alloc field.
1177         (unwind): If can_alloc is false, don't try to get file/line
1178         information.
1179         (backtrace_full): Set can_alloc field in bdata.
1180         * alloc.c (backtrace_alloc): Don't call error_callback if it is
1181         NULL.
1182         * mmap.c (backtrace_alloc): Likewise.
1183         * internal.h: Update comments for backtrace_alloc and
1184         backtrace_free.
1185
1186 2015-09-08  Ian Lance Taylor  <iant@google.com>
1187
1188         PR other/67457
1189         * mmap.c (backtrace_alloc): Correct test for mmap failure.
1190
1191 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1192
1193         * configure.ac: For spu-*-* targets, set have_fcntl to no.
1194         * configure: Regenerate.
1195
1196 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1197
1198         * configure.ac: Remove [disable-shared] argument to LT_INIT.
1199         Remove setting PIC_FLAG when building as target library.
1200         * configure: Regenerate.
1201
1202 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
1203
1204         * configure.ac: Only compile with -fPIC if the target
1205         supports it.
1206         * configure: Regenerate.
1207
1208 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1209
1210         * configure.ac: Set have_mmap to no on spu-*-* targets.
1211         * configure: Regenerate.
1212
1213 2015-08-13  Ian Lance Taylor  <iant@google.com>
1214
1215         * dwarf.c (read_function_entry): Add vec_inlined parameter.
1216         Change all callers.
1217
1218 2015-06-11  Martin Sebor  <msebor@redhat.com>
1219
1220         PR sanitizer/65479
1221         * dwarf.c (struct line): Add new field idx.
1222         (line_compare): Use it.
1223         (add_line): Set it.
1224         (read_line_info): Reset it.
1225
1226 2015-05-29  Tristan Gingold  <gingold@adacore.com>
1227
1228         * pecoff.c: New file.
1229         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1230         * Makefile.in: Regenerate.
1231         * filetype.awk: Detect pecoff.
1232         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1233         Add pecoff.
1234         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1235         true.
1236         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1237         * configure: Regenerate.
1238         * pecoff.c: New file.
1239
1240 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
1241
1242         * Makefile.in: Regenerated with automake-1.11.6.
1243         * aclocal.m4: Likewise.
1244         * configure: Likewise.
1245
1246 2015-01-24  Matthias Klose  <doko@ubuntu.com>
1247
1248         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1249         * configure: Regenerate.
1250
1251 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
1252
1253         Update copyright years.
1254
1255 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1256
1257         PR bootstrap/63784
1258         * configure: Regenerated.
1259
1260 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
1261
1262         * ChangeLog.jit: New.
1263
1264 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1265
1266         PR target/63610
1267         * configure: Regenerate.
1268
1269 2014-10-23  Ian Lance Taylor  <iant@google.com>
1270
1271         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1272         Fix to return void *.
1273
1274 2014-05-08  Ian Lance Taylor  <iant@google.com>
1275
1276         * mmap.c (backtrace_free): If freeing a large aligned block of
1277         memory, call munmap rather than holding onto it.
1278         (backtrace_vector_grow): When growing a vector, double the number
1279         of pages requested.  When releasing the old version of a grown
1280         vector, pass the correct size to backtrace_free.
1281
1282 2014-03-07  Ian Lance Taylor  <iant@google.com>
1283
1284         * sort.c (backtrace_qsort): Use middle element as pivot.
1285
1286 2014-03-06  Ian Lance Taylor  <iant@google.com>
1287
1288         * sort.c: New file.
1289         * stest.c: New file.
1290         * internal.h (backtrace_qsort): Declare.
1291         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1292         (read_line_info, read_function_entry): Likewise.
1293         (read_function_info, build_dwarf_data): Likewise.
1294         * elf.c (elf_initialize_syminfo): Likewise.
1295         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1296         (stest_SOURCES, stest_LDADD): Define.
1297         (check_PROGRAMS): Add stest.
1298
1299 2014-02-07  Misty De Meo  <misty@brew.sh>
1300
1301         PR target/58710
1302         * configure.ac: Use AC_LINK_IFELSE in check for
1303         _Unwind_GetIPInfo.
1304         * configure: Regenerate.
1305
1306 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1307
1308         Update copyright years
1309
1310 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
1311
1312         * elf.c (ET_DYN): Undefine and define again.
1313         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1314         return early -1 without closing the descriptor.
1315         (struct phdr_data): Add exe_descriptor.
1316         (phdr_callback): If pd->exe_descriptor is not -1, for very first
1317         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1318         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
1319         call to elf_add.
1320         (backtrace_initialize): Adjust call to elf_add.  If it returns
1321         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1322
1323 2013-12-05  Ian Lance Taylor  <iant@google.com>
1324
1325         * alloc.c (backtrace_vector_finish): Add error_callback and data
1326         parameters.  Call backtrace_vector_release.  Return address base.
1327         * mmap.c (backtrace_vector_finish): Add error_callback and data
1328         parameters.  Return address base.
1329         * dwarf.c (read_function_info): Get new address base from
1330         backtrace_vector_finish.
1331         * internal.h (backtrace_vector_finish): Update declaration.
1332
1333 2013-11-27  Ian Lance Taylor  <iant@google.com>
1334
1335         * dwarf.c (find_address_ranges): New static function, broken out
1336         of build_address_map.
1337         (build_address_map): Call it.
1338         * btest.c (check): Check for missing filename or function, rather
1339         than crashing.
1340         (f3): Check that enough frames were returned.
1341
1342 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
1343
1344         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1345         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1346         last argument.
1347         * btest.c (struct symdata): Add size field.
1348         (callback_three): Add symsize argument.  Copy it to the data->size
1349         field.
1350         (f23): Set symdata.size to 0.
1351         (test5): Likewise.  If sizeof (int) > 1, lookup address of
1352         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
1353         values.
1354
1355         * atomic.c: Include sys/types.h.
1356
1357 2013-11-18  Ian Lance Taylor  <iant@google.com>
1358
1359         * configure.ac: Check for support of __atomic extensions.
1360         * internal.h: Declare or #define atomic functions for use in
1361         backtrace code.
1362         * atomic.c: New file.
1363         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1364         (dwarf_fileline, backtrace_dwarf_add): Likewise.
1365         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1366         (backtrace_initialize): Likewise.
1367         * fileline.c (fileline_initialize): Likewise.
1368         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1369         * configure, config.h.in, Makefile.in: Rebuild.
1370
1371 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1372
1373         * elf.c (SHN_UNDEF): Define.
1374         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1375         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1376         (elf_add): Adjust caller.
1377
1378         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1379
1380 2013-11-16  Ian Lance Taylor  <iant@google.com>
1381
1382         * backtrace.h (backtrace_create_state): Correct comment about
1383         threading.
1384
1385 2013-11-15  Ian Lance Taylor  <iant@google.com>
1386
1387         * backtrace.h (backtrace_syminfo): Update comment and parameter
1388         name to take any address, not just a PC value.
1389         * elf.c (STT_OBJECT): Define.
1390         (elf_nosyms): Rename parameter pc to addr.
1391         (elf_symbol_search): Rename local variable pc to addr.
1392         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1393         (elf_syminfo): Rename parameter pc to addr.
1394         * btest.c (global): New global variable.
1395         (test5): New test.
1396         (main): Call test5.
1397
1398 2013-10-17  Ian Lance Taylor  <iant@google.com>
1399
1400         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1401         is missing.
1402
1403 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1404
1405         * configure.ac: Add --enable-host-shared, setting up
1406         pre-existing PIC_FLAG variable within Makefile.am et al.
1407         * configure: Regenerate.
1408
1409 2013-09-20  Alan Modra  <amodra@gmail.com>
1410
1411         * configure: Regenerate.
1412
1413 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1414
1415         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1416
1417 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1418
1419         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1420         dl_iterate_phdr callbacks.
1421
1422 2013-03-25  Ian Lance Taylor  <iant@google.com>
1423
1424         * alloc.c: #include <sys/types.h>.
1425         * mmap.c: Likewise.
1426
1427 2013-01-31  Ian Lance Taylor  <iant@google.com>
1428
1429         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1430         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1431
1432 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1433
1434         PR other/56076
1435         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1436         attribute was not seen.
1437
1438 2013-01-16  Ian Lance Taylor  <iant@google.com>
1439
1440         * dwarf.c (struct unit): Add filename and abs_filename fields.
1441         (build_address_map): Set new fields when reading unit.
1442         (dwarf_lookup_pc): If we don't find an entry in the line table,
1443         just return the main file name.
1444
1445 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1446
1447         Update copyright years.
1448
1449 2013-01-01  Ian Lance Taylor  <iant@google.com>
1450
1451         PR bootstrap/54834
1452         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1453         $(MULTIBUILDTOP)/../../gcc/include.
1454         * Makefile.in: Rebuild.
1455
1456 2013-01-01  Ian Lance Taylor  <iant@google.com>
1457
1458         PR other/55536
1459         * mmap.c (backtrace_alloc): Don't call sync functions if not
1460         threaded.
1461         (backtrace_free): Likewise.
1462
1463 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1464
1465         * mmapio.c: Define MAP_FAILED if not defined.
1466
1467 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1468
1469         PR bootstrap/54926
1470         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1471         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1472         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1473         accepts it.
1474         * Makefile.in: Regenerated.
1475         * configure: Regenerated.
1476
1477 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR bootstrap/54926
1480         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1481         * Makefile.in: Regenerated.
1482
1483 2012-11-20  Ian Lance Taylor  <iant@google.com>
1484
1485         * dwarf.c (read_attribute): Always clear val.
1486
1487 2012-11-13  Ian Lance Taylor  <iant@google.com>
1488
1489         PR other/55312
1490         * configure.ac: Only add -Werror if building a target library.
1491         * configure: Rebuild.
1492
1493 2012-11-12  Ian Lance Taylor  <iant@google.com>
1494             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1495             Gerald Pfeifer  <gerald@pfeifer.com>
1496
1497         * configure.ac: Check for getexecname.
1498         * fileline.c: #include <errno.h>.  Define getexecname if not
1499         available.
1500         (fileline_initialize): Try to find the executable in a few
1501         different ways.
1502         * print.c (error_callback): Only print the filename if it came
1503         from the backtrace state.
1504         * configure, config.h.in: Rebuild.
1505
1506 2012-10-29  Ian Lance Taylor  <iant@google.com>
1507
1508         * mmap.c (backtrace_vector_release): Correct last patch: add
1509         aligned, not size.
1510
1511 2012-10-29  Ian Lance Taylor  <iant@google.com>
1512
1513         * mmap.c (backtrace_vector_release): Make sure freed block is
1514         aligned on 8-byte boundary.
1515
1516 2012-10-26  Ian Lance Taylor  <iant@google.com>
1517
1518         PR other/55087
1519         * posix.c (backtrace_open): Add does_not_exist parameter.
1520         * elf.c (phdr_callback): Do not warn if shared library could not
1521         be opened.
1522         * fileline.c (fileline_initialize): Update calls to
1523         backtrace_open.
1524         * internal.h (backtrace_open): Update declaration.
1525
1526 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1527
1528         PR target/55061
1529         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1530         * configure: Regenerate.
1531
1532 2012-10-24  Ian Lance Taylor  <iant@google.com>
1533
1534         PR target/55061
1535         * configure.ac: Check whether -funwind-tables option works.
1536         * configure: Rebuild.
1537
1538 2012-10-11  Ian Lance Taylor  <iant@google.com>
1539
1540         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1541         * configure: Rebuild.
1542
1543 2012-10-10  Ian Lance Taylor  <iant@google.com>
1544
1545         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1546         lower case.
1547
1548 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1549
1550         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1551
1552 2012-10-09  Ian Lance Taylor  <iant@google.com>
1553
1554         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1555         (backtrace_dwarf_add): Likewise.
1556
1557 2012-10-09  Ian Lance Taylor  <iant@google.com>
1558
1559         Add support for tracing through shared libraries.
1560         * configure.ac: Check for link.h and dl_iterate_phdr.
1561         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1562         ELF macros before #defining them.
1563         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1564         dl_iterate_phdr.
1565         (struct elf_syminfo_data): Add next field.
1566         (elf_initialize_syminfo): Initialize next field.
1567         (elf_add_syminfo_data): New static function.
1568         (elf_add): New static function, broken out of
1569         backtrace_initialize.  Call backtrace_dwarf_add instead of
1570         backtrace_dwarf_initialize.
1571         (struct phdr_data): Define.
1572         (phdr_callback): New static function.
1573         (backtrace_initialize): Call elf_add.
1574         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1575         (add_unit_addr): Add base_address parameter.  Change all callers.
1576         (add_unit_ranges, build_address_map): Likewise.
1577         (add_line): Add ddata parameter.  Change all callers.
1578         (read_line_program, add_function_range): Likewise.
1579         (dwarf_lookup_pc): New static function, broken out of
1580         dwarf_fileline.
1581         (dwarf_fileline): Call dwarf_lookup_pc.
1582         (build_dwarf_data): New static function.
1583         (backtrace_dwarf_add): New function.
1584         (backtrace_dwarf_initialize): Remove.
1585         * internal.h (backtrace_dwarf_initialize): Don't declare.
1586         (backtrace_dwarf_add): Declare.
1587         * configure, config.h.in: Rebuild.
1588
1589 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1590
1591         * btest.c (f23): Avoid uninitialized variable warning.
1592
1593 2012-10-04  Ian Lance Taylor  <iant@google.com>
1594
1595         * dwarf.c: If the system header files do not declare strnlen,
1596         provide our own version.
1597
1598 2012-10-03  Ian Lance Taylor  <iant@google.com>
1599
1600         * dwarf.c (read_uleb128): Fix overflow test.
1601         (read_sleb128): Likewise.
1602         (build_address_map): Don't change unit_buf.start.
1603
1604 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1605
1606         PR other/54761
1607         * configure.ac (EXTRA_FLAGS): New.
1608         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1609         * configure, Makefile.in: Regenerate.
1610
1611 2012-09-29  Ian Lance Taylor  <iant@google.com>
1612
1613         PR other/54749
1614         * fileline.c (fileline_initialize): Pass errnum as -1 when
1615         reporting that we could not read executable information after a
1616         previous failure.
1617
1618 2012-09-27  Ian Lance Taylor  <iant@google.com>
1619
1620         PR bootstrap/54732
1621         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1622         * Makefile.am: Add dependencies for all objects.
1623         * configure, aclocal.m4, Makefile.in: Rebuild.
1624
1625 2012-09-27  Ian Lance Taylor  <iant@google.com>
1626
1627         PR other/54726
1628         * elf.c (backtrace_initialize): Set *fileln_fn, not
1629         state->fileln_fn.
1630
1631 2012-09-19  Ian Lance Taylor  <iant@google.com>
1632
1633         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1634         as a target library.
1635         * configure: Rebuild.
1636
1637 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1638             Ian Lance Taylor  <iant@google.com>
1639
1640         * configure.ac (GCC_HEADER_STDINT): Invoke.
1641         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1642         * btest.c: Don't include <stdint.h>.
1643         * dwarf.c: Likewise.
1644         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1645
1646 2012-09-18  Ian Lance Taylor  <iant@google.com>
1647
1648         PR bootstrap/54623
1649         * Makefile.am (AM_CPPFLAGS): Define.
1650         (AM_CFLAGS): Remove -I options.
1651         * Makefile.in: Rebuild.
1652
1653 2012-09-18  Ian Lance Taylor  <iant@google.com>
1654
1655         * posix.c (O_BINARY): Define if not defined.
1656         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1657         HAVE_FCNTL is defined.
1658         * configure.ac: Test for the fcntl function.
1659         * configure, config.h.in: Rebuild.
1660
1661 2012-09-18  Ian Lance Taylor  <iant@google.com>
1662
1663         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1664
1665 2012-09-18  Ian Lance Taylor  <iant@google.com>
1666
1667         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1668
1669 2012-09-18  Ian Lance Taylor  <iant@google.com>
1670
1671         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1672         * mmapio.c: Don't define _GNU_SOURCE.
1673         * configure, config.h.in: Rebuild.
1674
1675 2012-09-18  Ian Lance Taylor  <iant@google.com>
1676
1677         * configure.ac: Check whether strnlen is declared.
1678         * dwarf.c: Declare strnlen if not declared.
1679         * configure, config.h.in: Rebuild.
1680
1681 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1682
1683         * fileline.c: Include <stdlib.h>.
1684         * mmap.c: Likewise.
1685
1686 2012-09-17  Ian Lance Taylor  <iant@google.com>
1687
1688         PR bootstrap/54611
1689         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1690         parameter.
1691
1692 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1693
1694         PR bootstrap/54611
1695         * nounwind.c (backtrace_simple): Add state parameter.
1696
1697 2012-09-17  Ian Lance Taylor  <iant@google.com>
1698
1699         PR bootstrap/54609
1700         * unknown.c (unknown_fileline): Add state parameter, remove
1701         fileline_data parameter, name error_callback parameter.
1702         (backtrace_initialize): Add state parameter.
1703
1704 2012-09-17  Ian Lance Taylor  <iant@google.com>
1705
1706         * Initial implementation.
1707 \f
1708 Copyright (C) 2012-2020 Free Software Foundation, Inc.
1709
1710 Copying and distribution of this file, with or without modification,
1711 are permitted in any medium without royalty provided the copyright
1712 notice and this notice are preserved.