libbacktrace/ChangeLog

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