libbacktrace/ChangeLog

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