libbacktrace/ChangeLog

   1 2021-03-03  Ian Lance Taylor  <iant@golang.org>
   2
   3         * dwarf.c (read_line_program): Don't special case file 0.
   4         (read_function_entry): Likewise.
   5
   6 2021-03-02  Ian Lance Taylor  <iant@golang.org>
   7
   8         PR libbacktrace/98818
   9         * dwarf.c (dwarf_buf_error): Add errnum parameter.  Change all
  10         callers.
  11         * backtrace.h: Update backtrace_error_callback comment.
  12
  13 2021-02-12  Ian Lance Taylor  <iant@golang.org>
  14
  15         * configure.ac: Check for objcopy --add-gnu-debuglink by using
  16         objcopy --help.
  17         * configure: Regenerate
  18
  19 2021-01-18  Ian Lance Taylor  <iant@golang.org>
  20
  21         * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
  22         * Makefile.in: Regenerate.
  23         * configure: Regenerate.
  24
  25 2021-01-18  Ian Lance Taylor  <iant@golang.org>
  26
  27         PR debug/98716
  28         * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
  29         filenames.
  30         (read_line_program): Remove parameter u, change caller.  Don't
  31         subtract one from dirs and filenames index.
  32         (read_function_entry): Don't subtract one from filenames index.
  33
  34 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
  35
  36         * configure: Re-generate.
  37
  38 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  39
  40         PR target/97865
  41         * configure: Regenerate.
  42
  43 2020-12-02  Ian Lance Taylor  <iant@golang.org>
  44
  45         * dwarf.c (resolve_string): Use > rather than >= to check whether
  46         string index extends past buffer.
  47         (resolve_addr_index): Similarly for address index.
  48
  49 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  50
  51         * configure: Regenerate.
  52
  53 2020-10-20  Ian Lance Taylor  <iant@golang.org>
  54
  55         * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
  56         * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
  57
  58 2020-09-28  Ian Lance Taylor  <iant@golang.org>
  59
  60         PR libbacktrace/97082
  61         * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
  62         * Makefile.in: Regenerate.
  63
  64 2020-09-28  Ian Lance Taylor  <iant@golang.org>
  65
  66         PR libbacktrace/97227
  67         * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
  68         * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
  69         * configure: Regenerate.
  70         * Makefile.in: Regenerate.
  71
  72 2020-09-23  Ian Lance Taylor  <iant@golang.org>
  73
  74         * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
  75         p->low.
  76         (dwarf_lookup_pc): Likewise.
  77
  78 2020-09-17  Ian Lance Taylor  <iant@golang.org>
  79
  80         PR libbacktrace/97080
  81         * fileline.c (backtrace_syminfo_to_full_callback): New function.
  82         (backtrace_syminfo_to_full_error_callback): New function.
  83         * elf.c (elf_nodebug): Call syminfo_fn if possible.
  84         * internal.h (struct backtrace_call_full): Define.
  85         (backtrace_syminfo_to_full_callback): Declare.
  86         (backtrace_syminfo_to_full_error_callback): Declare.
  87         * mtest.c (f3): Only check all[i] if data.index permits.
  88
  89 2020-09-16  Iain Sandoe  <iain@sandoe.co.uk>
  90
  91         * macho.c (MACH_O_CPU_TYPE_PPC): New.
  92         (MACH_O_CPU_TYPE_PPC64): New.
  93         Add compile-tests for powerpc to the Mach-O variants.
  94
  95 2020-09-14  Ian Lance Taylor  <iant@golang.org>
  96
  97         PR libbacktrace/93608
  98         Add support for MiniDebugInfo.
  99         * elf.c (struct elf_view): Define.  Replace most uses of
 100         backtrace_view with elf_view.
 101         (elf_get_view): New static functions.  Replace most calls of
 102         backtrace_get_view with elf_get_view.
 103         (elf_release_view): New static functions.  Replace most calls of
 104         backtrace_release_view with elf_release_view.
 105         (elf_uncompress_failed): Rename from elf_zlib_failed.  Change all
 106         callers.
 107         (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
 108         (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
 109         (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
 110         (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
 111         (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
 112         (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
 113         (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
 114         (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
 115         (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
 116         (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
 117         (LZMA_PROB_DIST_ALIGN_LEN): Define.
 118         (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
 119         (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
 120         (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
 121         (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
 122         (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
 123         (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
 124         (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
 125         (LZMA_PROB_REP_LEN_LOW_LEN): Define.
 126         (LZMA_PROB_REP_LEN_MID_LEN): Define.
 127         (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
 128         (LZMA_PROB_LITERAL_LEN): Define.
 129         (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
 130         (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
 131         (LZMA_PROB_IS_REP2_OFFSET): Define.
 132         (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
 133         (LZMA_PROB_DIST_SLOT_OFFSET): Define.
 134         (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
 135         (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
 136         (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
 137         (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
 138         (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
 139         (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
 140         (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
 141         (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
 142         (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
 143         (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
 144         (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
 145         (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
 146         (LZMA_PROB_LITERAL_OFFSET): Define.
 147         (LZMA_PROB_TOTAL_COUNT): Define.
 148         (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
 149         (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
 150         (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
 151         (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
 152         (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
 153         (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
 154         (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
 155         (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
 156         (elf_lzma_varint): New static function.
 157         (elf_lzma_range_normalize): New static function.
 158         (elf_lzma_bit, elf_lzma_integer): New static functions.
 159         (elf_lzma_reverse_integer): New static function.
 160         (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
 161         (elf_uncompress_lzma): New static function.
 162         (backtrace_uncompress_lzma): New function.
 163         (elf_add): Add memory and memory_size parameters.  Change all
 164         callers.  Look for .gnu_debugdata section, and, if found,
 165         decompress it and use it for symbols and debug info.  Permit the
 166         descriptor parameter to be -1.
 167         * internal.h (backtrace_uncompress_lzma): Declare.
 168         * mtest.c: New file.
 169         * xztest.c: New file.
 170         * configure.ac: Check for nm, xz, and comm programs.  Check for
 171         liblzma library.
 172         (HAVE_MINIDEBUG): Define.
 173         * Makefile.am (mtest_SOURCES): Define.
 174         (mtest_CFLAGS, mtest_LDADD): Define.
 175         (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
 176         (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
 177         (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
 178         (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
 179         (xztest_alloc_LDADD): Define.
 180         (BUILDTESTS): Add mtest, xztest, xztest_alloc.
 181         (CLEANFILES): Add files created by minidebug pattern.
 182         (btest.lo): Correct INCDIR reference.
 183         (mtest.lo, xztest.lo, ztest.lo): New targets.
 184         * configure: Regenerate.
 185         * config.h.in: Regenerate.
 186         * Makefile.in: Regenerate.
 187
 188 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 189
 190         * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
 191         (coff_add): Determine and pass is_64.
 192
 193 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 194
 195         PR libbacktrace/96973
 196         * fileline.c (macho_get_executable_path): New static function.
 197         (fileline_initialize): Call macho_get_executable_path.
 198
 199 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 200
 201         * dwarf.c (function_addrs_search): Compare against the next entry
 202         low address, not the high address.
 203         (unit_addrs_search): Likewise.
 204         (build_address_map): Add a trailing unit_addrs.
 205         (read_function_entry): Add a trailing function_addrs.
 206         (read_function_info): Likewise.
 207         (report_inlined_functions): Search backward for function_addrs
 208         match.
 209         (dwarf_lookup_pc): Search backward for unit_addrs and
 210         function_addrs matches.
 211
 212 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 213
 214         * simple.c (simple_unwind): Correct comment spelling.
 215
 216 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 217
 218         * macho.c (macho_add_dsym): Make space for '/' in dsym.  Use
 219         correct length when freeing diralc.
 220
 221 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 222
 223         PR libbacktrace/96973
 224         * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
 225
 226 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 227
 228         PR libbacktrace/96971
 229         * filetype.awk: Only match magic number at start of line.
 230
 231 2020-08-24  Ian Lance Taylor  <iant@golang.org>
 232
 233         * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
 234         (MACH_O_MH_CIGAM_FAT_64): Define.
 235         (struct macho_fat_arch_64): Define.
 236         (macho_add_fat): Add and use is_64 parameter.
 237         (macho_add): Recognize 64-bit fat files.
 238
 239 2020-07-30  H.J. Lu  <hjl.tools@gmail.com>
 240
 241         PR bootstrap/96202
 242         * configure: Regenerated.
 243
 244 2020-07-08  Ian Lance Taylor  <iant@golang.org>
 245
 246         * configure.ac: Test linker support for DWARF5
 247         * configure: Regenerate
 248
 249 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
 250
 251         PR bootstrap/95413
 252         * configure: Regenerated.
 253
 254 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 255
 256         PR bootstrap/95147
 257         * configure: Regenerated.
 258
 259 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 260
 261         * configure: Regenerated.
 262
 263 2020-05-13  Ian Lance Taylor  <iant@golang.org>
 264
 265         * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
 266
 267 2020-05-13  Ian Lance Taylor  <iant@golang.org>
 268
 269         PR go/95061
 270         * posix.c (backtrace_open): Treat EACCESS like ENOENT.
 271
 272 2020-05-12  H.J. Lu  <hongjiu.lu@intel.com>
 273
 274         * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
 275         * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
 276         AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
 277         enabled.
 278         * Makefile.in: Regenerated.
 279         * configure: Likewise.
 280
 281 2020-05-11  Ian Lance Taylor  <iant@golang.org>
 282
 283         PR libbacktrace/95012
 284         * configure.ac: Check for getpagesize declaration.
 285         * mmap.c: Declare getpagesize if necessary.
 286         * mmapio.c: Likewise.
 287         * configure: Regenerate.
 288         * config.h.in: Regenerate.
 289         * Makefile.in: Regenerate.
 290
 291 2020-05-09  Roland McGrath  <mcgrathr@google.com>
 292
 293         * elf.c (elf_add): Bail early if there are no section headers at all.
 294
 295 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 296
 297         * elf.c (elf_add): Don't free strtab if an error occurs after
 298         recording symbol information.
 299
 300 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 301
 302         PR libbacktrace/88745
 303         * macho.c: New file.
 304         * filetype.awk: Recognize Mach-O files.
 305         * Makefile.am (FORMAT_FILES): Add macho.c.
 306         (check_DATA): New variable.  Set to .dSYM if HAVE_DSYMUTIL.
 307         (%.dSYM): New pattern target.
 308         (test_macho_SOURCES, test_macho_CFLAGS): New targets.
 309         (test_macho_LDADD): New target.
 310         (BUILDTESTS): Add test_macho.
 311         (macho.lo): Add dependencies.
 312         * configure.ac: Recognize macho file type.  Check for
 313         mach-o/dyld.h.  Don't try to run objcopy if we don't find it.
 314         Look for dsymutil and define a HAVE_DSYMUTIL conditional.
 315         * Makefile.in: Regenerate.
 316         * configure: Regenerate.
 317         * config.h.in: Regenerate.
 318
 319 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 320
 321         * read.c (backtrace_get_view): Support short read.
 322
 323 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 324
 325         * elf.c (elf_add): If debug sections are very large or far apart,
 326         read them individually rather than as a single view.
 327
 328 2020-05-08  Ian Lance Taylor  <iant@golang.org>
 329
 330         * fileline.c (sysctl_exec_name): New static function.
 331         (sysctl_exec_name1): New macro or static function.
 332         (sysctl_exec_name2): Likewise.
 333         (fileline_initialize): Try sysctl_exec_name[12].
 334         * configure.ac: Check for sysctl args to fetch executable name.
 335         * configure: Regenerate.
 336         * config.h.in: Regenerate.
 337
 338 2020-02-15  Ian Lance Taylor  <iant@golang.org>
 339
 340         * ztest.c (test_large): Update file to current libgo test file.
 341
 342 2020-02-03  Ian Lance Taylor  <iant@golang.org>
 343
 344         * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
 345         (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
 346         (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
 347         (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
 348         (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
 349         (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
 350         (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
 351         (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
 352         (stest_alloc_CFLAGS): Likewise.
 353         * Makefile.in: Regenerate.
 354         * ztest.c (error_callback_compress): Mark vdata unused.
 355         (test_large): Add casts to avoid warnings.
 356
 357 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 358
 359         Update copyright years.
 360
 361 2019-12-13  Ian Lance Taylor  <iant@golang.org>
 362
 363         Add DWARF 5 support.
 364         * dwarf.c (struct attr): Add val field.
 365         (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
 366         ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
 367         (struct line_header): Add addrsize field.
 368         (struct line_header_format): Define.
 369         (struct unit): Add str_offsets_base, addr_base, and rnglists_base
 370         fields.
 371         (read_uint24): New static function.
 372         (read_attribute): Add implicit_val parameter.  Replace dwarf_str
 373         and dwarf_str_size parameters with dwarf_sections parameter.  Add
 374         support for new DWARF 5 forms.  Change all callers.
 375         (resolve_string): New static function.
 376         (resolve_addr_index): Likewise.
 377         (read_abbrevs): Support DW_FORM_implicit_const.
 378         (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
 379         and ranges_is_index fields.
 380         (update_pcrange): Support DWARF 5 encodings.
 381         (add_high_low_range): New static function, split out of
 382         add_ranges.
 383         (add_ranges_from_ranges): Likewise.
 384         (add_ranges_from_rnglists): New static function.
 385         (add_ranges): Just call new helper functions.
 386         (find_address_ranges): Use resolve_string for strings, after
 387         reading all attributes.  Handle new DWARF 5 attributes.
 388         (build_address_map): Support DWARF 5 compilation units.
 389         (read_v2_paths): New static function, split out of
 390         read_line_header.
 391         (read_lnct): New static function.
 392         (read_line_header_format_entries): Likewise.
 393         (read_line_header): Add ddata parameter.  Support DWARF 5 line
 394         headers.  Call new helper functions.  Change all callers.
 395         (read_line_program): Use addrsize from line program header.  Don't
 396         special case directory index 0 for DWARF 5.
 397         (read_referenced_name): Use resolve_string.
 398         (read_function_entry): Handle DWARF 5 encodings.  Use
 399         resolve_string.
 400         * internal.h (enum dwarf_section): Add DEBUG_ADDR,
 401         DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
 402         * elf.c (dwarf_section_names): Add new section names.
 403         * pecoff.c (dwarf_section_names): Likewise.
 404         * xcoff.c (xcoff_add): Clear dwarf_sections before setting
 405         fields.
 406         * configure.ac: Define HAVE_DWARF5 automake conditional.
 407         * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
 408         (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
 409         (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
 410         (dwarf5_alloc_LDADD): Likewise.
 411         (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
 412         (CLEANFILES, clean-local): Define.
 413
 414 2019-12-08  Ian Lance Taylor  <iant@golang.org>
 415
 416         * dwarf.c (struct pcrange): Define.
 417         (update_pcrange, add_ranges): New static functions.
 418         (add_unit_addr): Change signature to work with add_ranges.  Don't
 419         add base_address here.
 420         (add_unit_ranges): Remove.
 421         (find_address_ranges): Replace str/ranges parameters with
 422         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
 423         callers.
 424         (add_function_range): Change signature to work with add_ranges.
 425         Don't add base_address here.
 426         (add_function_ranges): Remove.
 427         (read_function_entry): Use update_pcrange and add_ranges.
 428
 429 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 430
 431         * edtest.c (test1): Add noclone attribute.
 432
 433 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 434
 435         * internal.h (enum dwarf_section): Define.
 436         (struct dwarf_sections): Define.
 437         (backtrace_dwarf_add): Update declaration to replace specific
 438         section parameters with dwarf_sections parameter.
 439         * dwarf.c (struct dwarf_data): Replace specific section fields
 440         with dwarf_sections field.
 441         (read_attribute): Use dwarf_sections with altlink.
 442         (build_address_map): Replace specific section parameters with
 443         dwarf_sections parameter.  Change all callers.
 444         (read_line_info): Use dwarf_sections with ddata.
 445         (read_referenced_name): Likewise.
 446         (add_function_ranges): Likewise.
 447         (read_function_entry): Likewise.
 448         (read_function_info): Likewise.
 449         (build_dwarf_data): Replace specific section parameters with
 450         dwarf_sections parameter.  Change all callers.
 451         (backtrace_dwarf_add): Likewise.
 452         * elf.c (enum debug_section): Remove.
 453         (dwarf_section_names): Remove .zdebug names.
 454         (elf_add): Track zsections separately.  Build dwarf_sections.
 455         * pecoff.c (enum debug_section): Remove.
 456         (struct debug_section_info): Remove data field.
 457         (coff_add): Build dwarf_sections.
 458         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
 459         references with DEBUG_xxx references.
 460         (xcoff_add): Build dwarf_sections.
 461
 462 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 463
 464         * configure: Regenerate.
 465
 466 2019-09-26  Ian Lance Taylor  <iant@golang.org>
 467
 468         PR libbacktrace/91908
 469         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
 470         __sync_bool_compare_and_swap to void.
 471         * xcoff.c (backtrace_initialize): Likewise.
 472
 473 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 474
 475         * configure.ac: Remove references to spu.
 476         * configure: Regenerate.
 477
 478 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
 479
 480         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
 481         test_elf_64.
 482         * Makefile.in: Regenerate.
 483
 484 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 485
 486         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
 487         handling.
 488         * configure: Regenerate.
 489
 490 2019-03-11  Ian Lance Taylor  <iant@golang.org>
 491
 492         PR libbacktrace/89669
 493         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
 494         HAVE_ELF.
 495         * Makefile.in: Regenerate.
 496
 497 2019-02-26  Tom de Vries  <tdevries@suse.de>
 498
 499         * btest.c (test5): Allow global.* as minimal symbol name for global.
 500
 501 2019-02-26  Tom de Vries  <tdevries@suse.de>
 502
 503         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
 504         * Makefile.in: Regenerate.
 505
 506 2019-02-12  Tom de Vries  <tdevries@suse.de>
 507
 508         PR libbacktrace/81983
 509         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
 510
 511 2019-02-10  Tom de Vries  <tdevries@suse.de>
 512
 513         * Makefile.am (BUILDTESTS): Add btest_lto.
 514         * Makefile.in: Regenerate.
 515         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 516         __attribute__((noclone)).
 517
 518 2019-02-08  Tom de Vries  <tdevries@suse.de>
 519
 520         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 521         * print.c (backtrace_print): Same.
 522         * simple.c (backtrace_simple): Same.
 523
 524 2019-02-08  Tom de Vries  <tdevries@suse.de>
 525
 526         PR libbacktrace/78063
 527         * dwarf.c (build_address_map): Keep all parsed units.
 528         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 529
 530 2019-01-31  Tom de Vries  <tdevries@suse.de>
 531
 532         PR libbacktrace/89136
 533         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 534         'debugaltlink_name_len =+ 1'.
 535
 536 2019-01-29  Tom de Vries  <tdevries@suse.de>
 537
 538         * install-debuginfo-for-buildid.sh.in: New script.
 539         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 540         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 541         * Makefile.in: Regenerate.
 542         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 543         (READELF): Set with AC_CHECK_PROG.
 544         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 545         * configure: Regenerate.
 546         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 547         (elf_open_debugfile_by_buildid): ... here.
 548
 549 2019-01-29  Tom de Vries  <tdevries@suse.de>
 550
 551         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 552         allocfail.
 553         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 554         (check_PROGRAMS): Add BUILDTESTS.
 555         * Makefile.in: Regenerate.
 556
 557 2019-01-28  Tom de Vries  <tdevries@suse.de>
 558
 559         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 560         Use $< to access prerequisite.
 561         * Makefile.in: Regenerate.
 562
 563 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 564
 565         * elf.c (elf_add): Pass "" filename to recursive call with
 566         separated debug.
 567
 568 2019-01-25  Tom de Vries  <tdevries@suse.de>
 569
 570         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 571         filename == "".
 572         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 573         * Makefile.in: Regenerate.
 574
 575 2019-01-25  Tom de Vries  <tdevries@suse.de>
 576
 577         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 578         (TESTS): Rename dtest to btest_gnudebuglink.
 579         * Makefile.in: Regenerate.
 580
 581 2019-01-23  Tom de Vries  <tdevries@suse.de>
 582
 583         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 584         (units_search, find_unit): Use size_t for offset.
 585         (build_address_map): Use size_t for unit_offset.
 586
 587 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 588
 589         * allocfail.c (main): Increase portability of printf statement.
 590
 591 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 592
 593         PR libbacktrace/88890
 594         * mmapio.c (backtrace_get_view): Change size parameter to
 595         uint64_t.  Check that value fits in size_t.
 596         * read.c (backtrace_get_view): Likewise.
 597         * internal.h (backtrace_get_view): Update declaration.
 598         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 599
 600 2019-01-17  Tom de Vries  <tdevries@suse.de>
 601
 602         PR libbacktrace/82857
 603         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 604         (HAVE_DWZ): Set with AM_CONDITIONAL.
 605         * configure: Regenerate.
 606         * Makefile.am (TESTS): Add btest_dwz.
 607         * Makefile.in: Regenerate.
 608
 609 2019-01-17  Tom de Vries  <tdevries@suse.de>
 610
 611         PR libbacktrace/82857
 612         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 613         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 614         ATTR_VAL_REF_ALT_INFO.
 615         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 616
 617 2019-01-17  Tom de Vries  <tdevries@suse.de>
 618
 619         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 620         (struct unit_vector): New type.
 621         (struct dwarf_data): Add units and units_counts fields.
 622         (find_unit): New function.
 623         (find_address_ranges): Add and handle unit_tag parameter.
 624         (build_address_map): Add and handle units_vec parameter.
 625         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 626         units vector.
 627
 628 2019-01-17  Tom de Vries  <tdevries@suse.de>
 629
 630         PR libbacktrace/82857
 631         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 632         using altlink.
 633
 634 2019-01-17  Tom de Vries  <tdevries@suse.de>
 635
 636         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 637         (read_attribute): Add altlink parameter.  Handle missing altlink for
 638         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 639         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 640         handle altlink parameter.
 641         (read_referenced_name, read_function_entry): Add argument to
 642         read_attribute call.
 643
 644 2019-01-17  Tom de Vries  <tdevries@suse.de>
 645
 646         * dwarf.c (struct dwarf_data): Add altlink field.
 647         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 648         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 649         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 650         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 651         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 652         * xcoff.c (xcoff_add): Same.
 653
 654 2019-01-17  Tom de Vries  <tdevries@suse.de>
 655
 656         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 657         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 658         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 659         argument to backtrace_dwarf_add call.
 660         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 661         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 662         * xcoff.c (xcoff_add): Same.
 663
 664 2019-01-17  Tom de Vries  <tdevries@suse.de>
 665
 666         * elf.c (elf_add): Add and handle with_buildid_data and
 667         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 668         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 669
 670 2019-01-16  Tom de Vries  <tdevries@suse.de>
 671
 672         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 673         of ...
 674         (read_referenced_name): ... here, and ...
 675         (read_function_entry): ... here.
 676
 677 2019-01-16  Tom de Vries  <tdevries@suse.de>
 678
 679         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 680         name.
 681         (read_function_entry): Same.  Don't allow name found via
 682         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 683         name.
 684
 685 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 686
 687         PR other/16615
 688
 689         * backtrace.h: Mechanically replace "can not" with "cannot".
 690
 691 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 692
 693         Update copyright years.
 694
 695 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 696
 697         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 698         in sed pattern.
 699         * Makefile.in: Regenerate.
 700
 701 2018-12-28  Tom de Vries  <tdevries@suse.de>
 702
 703         * dwarf.c (build_address_map): Reuse unused units.
 704
 705 2018-12-28  Tom de Vries  <tdevries@suse.de>
 706
 707         * dwarf.c (build_address_map): Simplify by removing local variable
 708         abbrevs.
 709
 710 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 711             Tom de Vries  <tdevries@suse.de>
 712
 713         PR libbacktrace/88063
 714         * dwarf.c (free_unit_addrs_vector): Remove.
 715         (build_address_map): Keep track of allocated units in vector.  Free
 716         allocated units and corresponding abbrevs upon failure.  Remove now
 717         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 718         failure.  Free allocated unit vector.
 719
 720 2018-12-28  Tom de Vries  <tdevries@suse.de>
 721
 722         * dwarf.c (build_address_map): Free addrs vector upon failure.
 723
 724 2018-12-14  Tom de Vries  <tdevries@suse.de>
 725
 726         PR testsuite/88491
 727         * allocfail.sh: Remove "set -o pipefail".
 728
 729 2018-12-12  Tom de Vries  <tdevries@suse.de>
 730
 731         * Makefile.am (TESTS): Add allocfail.sh.
 732         (check_PROGRAMS): Add allocfail.
 733         * Makefile.in: Regenerate.
 734         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 735         Include alloc.c.
 736         * allocfail.c: New file.
 737         * allocfail.sh: New file.
 738
 739 2018-11-30  Tom de Vries  <tdevries@suse.de>
 740
 741         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 742         test_xcoff_64, test_pecoff and test_unknown.
 743         * Makefile.in: Regenerate.
 744         * test_format.c: New file.
 745
 746 2018-11-30  Tom de Vries  <tdevries@suse.de>
 747
 748         * Makefile.am : Add _with_alloc version for each test in
 749         check_PROGRAMS.
 750         * Makefile.in: Regenerate.
 751
 752 2018-11-30  Tom de Vries  <tdevries@suse.de>
 753
 754         * internal.h (backtrace_vector_free): New static inline fuction,
 755         factored out of ...
 756         * dwarf.c (read_line_info): ... here.
 757
 758 2018-11-28  Tom de Vries  <tdevries@suse.de>
 759
 760         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 761         failure.
 762
 763 2018-11-27  Tom de Vries  <tdevries@suse.de>
 764
 765         * mmap.c (backtrace_vector_release): Same.
 766         * unittest.c (test1): Add check.
 767
 768 2018-11-27  Tom de Vries  <tdevries@suse.de>
 769
 770         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 771         instead of realloc.
 772         * Makefile.am (check_PROGRAMS): Add unittest.
 773         * Makefile.in: Regenerate.
 774         * unittest.c: New file.
 775
 776 2018-11-22  Tom de Vries  <tdevries@suse.de>
 777
 778         * dwarf.c (read_initial_length): Factor out of ...
 779         (build_address_map, read_line_info): ... here.
 780
 781 2018-11-21  Tom de Vries  <tdevries@suse.de>
 782
 783         * dwarf.c (read_string): Factor out of ...
 784         (read_attribute, read_line_header, read_line_program): ... here.
 785
 786 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 787
 788         PR bootstrap/82856
 789         * Makefile.am: Include multilib.am.
 790         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 791         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 792
 793 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 794
 795         PR libbacktrace/87529
 796         * backtrace.h: Document that backtrace_create_state should be
 797         called only once.
 798
 799 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 800
 801         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 802         * Makefile.in: Regenerate.
 803         * config.h.in: Likewise.
 804         * configure: Likewise.
 805
 806 2018-08-01  Tony Reix  <tony.reix@atos.net>
 807
 808         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 809         (struct xcoff_func, struct xcoff_func_vector): New structs.
 810         (xcoff_syminfo): Drop leading dot from symbol name.
 811         (xcoff_line_compare, xcoff_line_search): Remove.
 812         (xcoff_func_compare, xcoff_func_search): New static functions.
 813         (xcoff_lookup_pc): Search function table.
 814         (xcoff_add_line, xcoff_process_linenos): Remove.
 815         (xcoff_initialize_fileline): Build function table.
 816
 817 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 818
 819         PR other/86198
 820         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 821         checking up to 36 bytes.
 822
 823 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 824
 825         * configure: Regenerated.
 826
 827 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 828
 829         * configure: Regenerated.
 830
 831 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 832
 833         * backtrace.c: Revert last two changes.  Don't call mmap
 834         directly.
 835
 836 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 837
 838         * backtrace.c: Include backtrace-supported.h before checking
 839         BACKTRACE_USES_MALLOC.
 840
 841 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 842
 843         * backtrace.c (backtrace_full): When testing whether we can
 844         allocate memory, call mmap directly, and munmap the memory.
 845
 846 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 847
 848         PR other/85161
 849         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 850         big endian, only use 32-bit loads if endianity macros are predefined
 851         and indicate big or little endian.
 852
 853 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 854
 855         PR target/84148
 856         * configure: Regenerate.
 857
 858 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 859
 860         PR other/82368
 861         * elf.c (SHT_PROGBITS): Undefine and define.
 862
 863 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 864
 865         PR other/82368
 866         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 867         (struct elf_ppc64_opd_data): New type.
 868         (elf_initialize_syminfo): Add opd argument, handle symbols
 869         pointing into the PowerPC64 ELFv1 .opd section.
 870         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 871         to structure with .opd data to elf_initialize_syminfo.
 872
 873 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 874
 875         * elf.c (elf_add): Close descriptor if we use a debugfile.
 876         * btest.c (check_open_files): New static function.
 877         (main): Call check_open_files.
 878
 879 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 880
 881         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 882         desired CRC is zero.
 883         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 884
 885 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 886
 887         * pecoff.c (coff_add): Only release syms_view if it is valid.
 888
 889 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 890
 891         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 892
 893 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 894
 895         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 896
 897 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 898
 899         PR other/68239
 900         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 901         on the free list.
 902
 903 2018-01-19  Tony Reix  <tony.reix@atos.net>
 904
 905         * xcoff.c (xcoff_incl_compare): New function.
 906         (xcoff_incl_search): New function.
 907         (xcoff_process_linenos): Use bsearch to find include file.
 908         (xcoff_initialize_fileline): Sort include file information.
 909
 910 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 911
 912         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 913         288.
 914         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 915         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 916         (elf_zlib_default_table): Update.
 917         (elf_zlib_default_dist_table): New static array.
 918         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 919         for block type 1.
 920         * ztest.c (struct zlib_test): Add uncompressed_len.
 921         (tests): Initialize uncompressed_len field.  Add new test case.
 922         (test_samples): Use uncompressed_len field.
 923
 924 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 925
 926         Update copyright years.
 927
 928 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 929
 930         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 931         * aclocal.m4: Regenerate.
 932         * Makefile.in: Likewise.
 933         * configure: Likewise.
 934
 935 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 936
 937         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 938         zlib uncompress function.
 939
 940 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 941
 942         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 943         Read a four byte integer.
 944         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 945         boundary before ever calling elf_zlib_fetch.
 946         * ztest.c (test_large): Simplify print statements a bit.
 947
 948 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 949
 950         * ztest.c: #include <errno.h>.
 951         (TEST_TIMING): Don't define, don't test.
 952         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 953         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 954         (ZLIB_CLOCK_GETTIME_ARG): Define.
 955         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 956         * Makefile.am: Likewise.
 957         * configure, Makefile.in: Rebuild.
 958
 959 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 960
 961         PR other/67165
 962         * Makefile.am: Append the content of clock_gettime_link to
 963         ztest_LDADD.
 964         * configure.ac: Test for the case that clock_gettime is in librt.
 965         * Makefile.in: Regenerate.
 966         * configure: Likewise.
 967
 968         PR other/67165
 969         * configure.ac: Check for clock_gettime.
 970         * config.h.in: Regenerate.
 971         * configure: Likewise.
 972         * ztest.c (average_time, test_large): Conditionalize test timing
 973         on clock_gettime availability.
 974
 975 2017-09-29  Tony Reix  <tony.reix@atos.net>
 976
 977         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 978         (STYP_DWARF, SSUBTYP_DW*): Define.
 979         (enum dwarf_section): Define.
 980         (struct dwsect_info): Define.
 981         (xcoff_add): Look for DWARF sections, pass them to
 982         backtrace_dwarf_add.
 983
 984 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 985
 986         PR other/67165
 987         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 988         (unlikely): Define.
 989         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 990         (b_elf_chdr): Define type.
 991         (enum debug_section): Add ZDEBUG_xxx values.
 992         (debug_section_names): Add names for new sections.
 993         (struct debug_section_info): Add compressed field.
 994         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 995         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 996         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 997         (HUFFMAN_SECONDARY_SHIFT): Define.
 998         (ZDEBUG_TABLE_SIZE): Define.
 999         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1000         (final_next_secondary): New static variable if
1001         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1002         (elf_zlib_inflate_table): New static function.
1003         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1004         function to produce fixed Huffman table.
1005         (elf_zlib_default_table): New static variable.
1006         (elf_zlib_inflate): New static function.
1007         (elf_zlib_verify_checksum): Likewise.
1008         (elf_zlib_inflate_and_verify): Likewise.
1009         (elf_uncompress_zdebug): Likewise.
1010         (elf_uncompress_chdr): Likewise.
1011         (backtrace_uncompress_zdebug): New extern function.
1012         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1013         sections, and uncompress them.
1014         * internal.h (backtrace_compress_zdebug): Declare.
1015         * ztest.c: New file.
1016         * configure.ac: Check for -lz and check whether the linker
1017         supports --compress-debug-sections.
1018         * Makefile.am (ztest_SOURCES): New variable.
1019         (ztest_CFLAGS, ztest_LDADD): New variables.
1020         (check_PROGRAMS): Add ztest.
1021         (ctestg_SOURCES): New variable.
1022         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1023         (ctesta_SOURCES): New variable.
1024         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1025         (check_PROGRAMS): Add ctestg and ctesta.
1026         * configure, config.h.in, Makefile.in: Rebuild.
1027
1028 2017-09-22  Ian Lance Taylor  <iant@golang.org>
1029
1030         PR sanitizer/77631
1031         * configure.ac: Check for lstat and readlink.
1032         * elf.c (lstat, readlink): Provide dummy versions if real versions
1033         are not available.
1034         * configure, config.h.in: Rebuild.
1035
1036 2017-09-21  Ian Lance Taylor  <iant@google.com>
1037
1038         PR go/82284
1039         * elf.c (backtrace_initialize): Set pd.exe_filename.
1040
1041 2017-09-20  Ian Lance Taylor  <iant@golang.org>
1042             Denis Khalikov  <d.khalikov@partner.samsung.com>
1043
1044         PR sanitizer/77631
1045         Support for external debug info.
1046         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1047         (S_ISLNK): Define if not defined.
1048         (xstrnlen): Define if strnlen is not available.
1049         (b_elf_note): Define type.
1050         (NT_GNU_BUILD_ID): Define macro.
1051         (elf_crc32, elf_crc32_file): New static functions.
1052         (elf_is_symlink, elf_readlink): New static functions.
1053         (elf_open_debugfile_by_buildid): New static function.
1054         (elf_try_debugfile): New static function.
1055         (elf_find_debugfile_by_debuglink): New static function.
1056         (elf_open_debugfile_by_debuglink): New static function.
1057         (elf_add): Add filename and debuginfo parameters.  Adjust all
1058         callers.  Look for external debug info notes, and try to fetch
1059         debug info from external file.
1060         (struct phdr_data): Add exe_filename field.
1061         (phdr_callback): Pass filename to elf_add.
1062         (backtrace_initialize): Add filename parameter.
1063         * internal.h (backtrace_initialize): Add filename parameter.
1064         * fileline.c (fileline_initialize): Pass filename to
1065         backtrace_initialize.
1066         * pecoff.c (fileline_initialize): Add unused filename parameter.
1067         * unknown.c (fileline_initialize): Likewise.
1068         * xcoff.c (fileline_initialize): Likewise.
1069         * configure.ac: Check for objcopy --add-gnu-debuglink.
1070         * Makefile.am (dtest): New test target.
1071         * configure, Makefile.in: Rebuild.
1072
1073 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
1074
1075         PR other/81096
1076         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1077         * Makefile.in: Regenerate.
1078
1079 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
1080
1081         PR other/81096
1082         * libbacktrace/Makefile.in
1083         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1084
1085 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
1086
1087         PR bootstrap/81638
1088         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1089
1090 2017-07-28  Tony Reix  <tony.reix@atos.net>
1091
1092         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1093
1094 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1095
1096         * fileline.c (fileline_initialize): Print pid_t as long.
1097
1098 2017-07-26  Tony Reix  <tony.reix@atos.net>
1099
1100         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
1101         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1102         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1103         * configure, config.h.in: Regenerate.
1104
1105 2017-07-21  Tony Reix  <tony.reix@atos.net>
1106
1107         * filetype.awk: Add AIX XCOFF type detection.
1108         * configure.ac: Recognize xcoff format.
1109         * Makefile.am (FORMAT_FILES): Add xcoff.c.
1110         * fileline.c: Include <unistd.h>.
1111         (fileline_initialize): Add case for AIX procfs.
1112         * xcoff.c: New file.
1113         * configure, Makefile.in: Rebuild.
1114
1115 2017-06-21  Richard Biener  <rguenther@suse.de>
1116
1117         * configure.ac: Add AC_SYS_LARGEFILE.
1118         * config.h.in: Regenerate.
1119         * configure: Likewise.
1120
1121 2017-06-11  Ian Lance Taylor  <iant@golang.org>
1122
1123         * elf.c (backtrace_initialize): Always set *fileline_fn.
1124         * ttest.c: New file.
1125         * btest.c: Move support functions into testlib.c.  Change calls to
1126         check to pass file name.
1127         * testlib.c: New file, copied from (part of) btest.c.
1128         * testlib.h: New file, declarations for testlib.c.
1129         * edtest.c: Use testlib.h and testlib.c.
1130         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1131         * Makefile.am (btest_SOURCES): Add testlib.c.
1132         (edtest_SOURCES): Likewise.
1133         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1134         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1135         * configure, Makefile.in: Rebuild.
1136
1137 2017-05-19  Than McIntosh  <thanm@google.com>
1138
1139         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1140         (read_line_header): Don't allocate dirs if dirs_count == 0.
1141         * edtest.c: New file.
1142         * edtest2.c: New file.
1143         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1144         (check_PROGRAMS): Add edtest.
1145         (edtest2_build.c, gen_edtest2_build): New targets.
1146         * Makefile.in: Rebuild.
1147
1148 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
1149
1150         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1151         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1152
1153 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
1154
1155         Update copyright years.
1156
1157 2016-11-15  Matthias Klose  <doko@ubuntu.com>
1158
1159         * configure: Regenerate.
1160
1161 2016-09-11  Carlos Liam  <carlos@aarzee.me>
1162
1163         * all: Remove meaningless trailing whitespace.
1164
1165 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1166
1167         PR target/71161
1168         * elf.c (phdr_callback) [__i386__]: Add
1169         __attribute__((__force_align_arg_pointer__)).
1170
1171 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
1172
1173         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1174         avoid possible crash.
1175         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1176         missing debug info anymore.
1177
1178 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
1179
1180         * mmap.c (MAP_FAILED): Define if not defined.
1181
1182 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
1183
1184         Update copyright years.
1185
1186 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
1187
1188         * configure.ac: Specify that DJGPP do not have mmap
1189         even when sys/mman.h exists.
1190         * configure: Regenerate
1191
1192 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
1193
1194         PR libgfortran/68115
1195         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1196         * configure: Regenerate.
1197         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1198         to void.
1199
1200 2015-09-17  Ian Lance Taylor  <iant@google.com>
1201
1202         * posix.c (backtrace_open): Cast second argument of open() to int.
1203
1204 2015-09-11  Ian Lance Taylor  <iant@google.com>
1205
1206         * Makefile.am (backtrace.lo): Depend on internal.h.
1207         (sort.lo, stest.lo): Add explicit dependencies.
1208         * Makefile.in: Rebuild.
1209
1210 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
1211
1212         * backtrace.c: #include <sys/types.h>.
1213
1214 2015-09-08  Ian Lance Taylor  <iant@google.com>
1215
1216         PR other/67457
1217         * backtrace.c: #include "internal.h".
1218         (struct backtrace_data): Add can_alloc field.
1219         (unwind): If can_alloc is false, don't try to get file/line
1220         information.
1221         (backtrace_full): Set can_alloc field in bdata.
1222         * alloc.c (backtrace_alloc): Don't call error_callback if it is
1223         NULL.
1224         * mmap.c (backtrace_alloc): Likewise.
1225         * internal.h: Update comments for backtrace_alloc and
1226         backtrace_free.
1227
1228 2015-09-08  Ian Lance Taylor  <iant@google.com>
1229
1230         PR other/67457
1231         * mmap.c (backtrace_alloc): Correct test for mmap failure.
1232
1233 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1234
1235         * configure.ac: For spu-*-* targets, set have_fcntl to no.
1236         * configure: Regenerate.
1237
1238 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1239
1240         * configure.ac: Remove [disable-shared] argument to LT_INIT.
1241         Remove setting PIC_FLAG when building as target library.
1242         * configure: Regenerate.
1243
1244 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
1245
1246         * configure.ac: Only compile with -fPIC if the target
1247         supports it.
1248         * configure: Regenerate.
1249
1250 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1251
1252         * configure.ac: Set have_mmap to no on spu-*-* targets.
1253         * configure: Regenerate.
1254
1255 2015-08-13  Ian Lance Taylor  <iant@google.com>
1256
1257         * dwarf.c (read_function_entry): Add vec_inlined parameter.
1258         Change all callers.
1259
1260 2015-06-11  Martin Sebor  <msebor@redhat.com>
1261
1262         PR sanitizer/65479
1263         * dwarf.c (struct line): Add new field idx.
1264         (line_compare): Use it.
1265         (add_line): Set it.
1266         (read_line_info): Reset it.
1267
1268 2015-05-29  Tristan Gingold  <gingold@adacore.com>
1269
1270         * pecoff.c: New file.
1271         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1272         * Makefile.in: Regenerate.
1273         * filetype.awk: Detect pecoff.
1274         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1275         Add pecoff.
1276         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1277         true.
1278         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1279         * configure: Regenerate.
1280         * pecoff.c: New file.
1281
1282 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
1283
1284         * Makefile.in: Regenerated with automake-1.11.6.
1285         * aclocal.m4: Likewise.
1286         * configure: Likewise.
1287
1288 2015-01-24  Matthias Klose  <doko@ubuntu.com>
1289
1290         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1291         * configure: Regenerate.
1292
1293 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
1294
1295         Update copyright years.
1296
1297 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1298
1299         PR bootstrap/63784
1300         * configure: Regenerated.
1301
1302 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
1303
1304         * ChangeLog.jit: New.
1305
1306 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1307
1308         PR target/63610
1309         * configure: Regenerate.
1310
1311 2014-10-23  Ian Lance Taylor  <iant@google.com>
1312
1313         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1314         Fix to return void *.
1315
1316 2014-05-08  Ian Lance Taylor  <iant@google.com>
1317
1318         * mmap.c (backtrace_free): If freeing a large aligned block of
1319         memory, call munmap rather than holding onto it.
1320         (backtrace_vector_grow): When growing a vector, double the number
1321         of pages requested.  When releasing the old version of a grown
1322         vector, pass the correct size to backtrace_free.
1323
1324 2014-03-07  Ian Lance Taylor  <iant@google.com>
1325
1326         * sort.c (backtrace_qsort): Use middle element as pivot.
1327
1328 2014-03-06  Ian Lance Taylor  <iant@google.com>
1329
1330         * sort.c: New file.
1331         * stest.c: New file.
1332         * internal.h (backtrace_qsort): Declare.
1333         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1334         (read_line_info, read_function_entry): Likewise.
1335         (read_function_info, build_dwarf_data): Likewise.
1336         * elf.c (elf_initialize_syminfo): Likewise.
1337         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1338         (stest_SOURCES, stest_LDADD): Define.
1339         (check_PROGRAMS): Add stest.
1340
1341 2014-02-07  Misty De Meo  <misty@brew.sh>
1342
1343         PR target/58710
1344         * configure.ac: Use AC_LINK_IFELSE in check for
1345         _Unwind_GetIPInfo.
1346         * configure: Regenerate.
1347
1348 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1349
1350         Update copyright years
1351
1352 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
1353
1354         * elf.c (ET_DYN): Undefine and define again.
1355         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1356         return early -1 without closing the descriptor.
1357         (struct phdr_data): Add exe_descriptor.
1358         (phdr_callback): If pd->exe_descriptor is not -1, for very first
1359         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1360         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
1361         call to elf_add.
1362         (backtrace_initialize): Adjust call to elf_add.  If it returns
1363         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1364
1365 2013-12-05  Ian Lance Taylor  <iant@google.com>
1366
1367         * alloc.c (backtrace_vector_finish): Add error_callback and data
1368         parameters.  Call backtrace_vector_release.  Return address base.
1369         * mmap.c (backtrace_vector_finish): Add error_callback and data
1370         parameters.  Return address base.
1371         * dwarf.c (read_function_info): Get new address base from
1372         backtrace_vector_finish.
1373         * internal.h (backtrace_vector_finish): Update declaration.
1374
1375 2013-11-27  Ian Lance Taylor  <iant@google.com>
1376
1377         * dwarf.c (find_address_ranges): New static function, broken out
1378         of build_address_map.
1379         (build_address_map): Call it.
1380         * btest.c (check): Check for missing filename or function, rather
1381         than crashing.
1382         (f3): Check that enough frames were returned.
1383
1384 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
1385
1386         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1387         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1388         last argument.
1389         * btest.c (struct symdata): Add size field.
1390         (callback_three): Add symsize argument.  Copy it to the data->size
1391         field.
1392         (f23): Set symdata.size to 0.
1393         (test5): Likewise.  If sizeof (int) > 1, lookup address of
1394         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
1395         values.
1396
1397         * atomic.c: Include sys/types.h.
1398
1399 2013-11-18  Ian Lance Taylor  <iant@google.com>
1400
1401         * configure.ac: Check for support of __atomic extensions.
1402         * internal.h: Declare or #define atomic functions for use in
1403         backtrace code.
1404         * atomic.c: New file.
1405         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1406         (dwarf_fileline, backtrace_dwarf_add): Likewise.
1407         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1408         (backtrace_initialize): Likewise.
1409         * fileline.c (fileline_initialize): Likewise.
1410         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1411         * configure, config.h.in, Makefile.in: Rebuild.
1412
1413 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1414
1415         * elf.c (SHN_UNDEF): Define.
1416         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1417         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1418         (elf_add): Adjust caller.
1419
1420         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1421
1422 2013-11-16  Ian Lance Taylor  <iant@google.com>
1423
1424         * backtrace.h (backtrace_create_state): Correct comment about
1425         threading.
1426
1427 2013-11-15  Ian Lance Taylor  <iant@google.com>
1428
1429         * backtrace.h (backtrace_syminfo): Update comment and parameter
1430         name to take any address, not just a PC value.
1431         * elf.c (STT_OBJECT): Define.
1432         (elf_nosyms): Rename parameter pc to addr.
1433         (elf_symbol_search): Rename local variable pc to addr.
1434         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1435         (elf_syminfo): Rename parameter pc to addr.
1436         * btest.c (global): New global variable.
1437         (test5): New test.
1438         (main): Call test5.
1439
1440 2013-10-17  Ian Lance Taylor  <iant@google.com>
1441
1442         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1443         is missing.
1444
1445 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1446
1447         * configure.ac: Add --enable-host-shared, setting up
1448         pre-existing PIC_FLAG variable within Makefile.am et al.
1449         * configure: Regenerate.
1450
1451 2013-09-20  Alan Modra  <amodra@gmail.com>
1452
1453         * configure: Regenerate.
1454
1455 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1456
1457         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1458
1459 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1460
1461         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1462         dl_iterate_phdr callbacks.
1463
1464 2013-03-25  Ian Lance Taylor  <iant@google.com>
1465
1466         * alloc.c: #include <sys/types.h>.
1467         * mmap.c: Likewise.
1468
1469 2013-01-31  Ian Lance Taylor  <iant@google.com>
1470
1471         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1472         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1473
1474 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1475
1476         PR other/56076
1477         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1478         attribute was not seen.
1479
1480 2013-01-16  Ian Lance Taylor  <iant@google.com>
1481
1482         * dwarf.c (struct unit): Add filename and abs_filename fields.
1483         (build_address_map): Set new fields when reading unit.
1484         (dwarf_lookup_pc): If we don't find an entry in the line table,
1485         just return the main file name.
1486
1487 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1488
1489         Update copyright years.
1490
1491 2013-01-01  Ian Lance Taylor  <iant@google.com>
1492
1493         PR bootstrap/54834
1494         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1495         $(MULTIBUILDTOP)/../../gcc/include.
1496         * Makefile.in: Rebuild.
1497
1498 2013-01-01  Ian Lance Taylor  <iant@google.com>
1499
1500         PR other/55536
1501         * mmap.c (backtrace_alloc): Don't call sync functions if not
1502         threaded.
1503         (backtrace_free): Likewise.
1504
1505 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1506
1507         * mmapio.c: Define MAP_FAILED if not defined.
1508
1509 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1510
1511         PR bootstrap/54926
1512         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1513         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1514         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1515         accepts it.
1516         * Makefile.in: Regenerated.
1517         * configure: Regenerated.
1518
1519 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1520
1521         PR bootstrap/54926
1522         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1523         * Makefile.in: Regenerated.
1524
1525 2012-11-20  Ian Lance Taylor  <iant@google.com>
1526
1527         * dwarf.c (read_attribute): Always clear val.
1528
1529 2012-11-13  Ian Lance Taylor  <iant@google.com>
1530
1531         PR other/55312
1532         * configure.ac: Only add -Werror if building a target library.
1533         * configure: Rebuild.
1534
1535 2012-11-12  Ian Lance Taylor  <iant@google.com>
1536             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1537             Gerald Pfeifer  <gerald@pfeifer.com>
1538
1539         * configure.ac: Check for getexecname.
1540         * fileline.c: #include <errno.h>.  Define getexecname if not
1541         available.
1542         (fileline_initialize): Try to find the executable in a few
1543         different ways.
1544         * print.c (error_callback): Only print the filename if it came
1545         from the backtrace state.
1546         * configure, config.h.in: Rebuild.
1547
1548 2012-10-29  Ian Lance Taylor  <iant@google.com>
1549
1550         * mmap.c (backtrace_vector_release): Correct last patch: add
1551         aligned, not size.
1552
1553 2012-10-29  Ian Lance Taylor  <iant@google.com>
1554
1555         * mmap.c (backtrace_vector_release): Make sure freed block is
1556         aligned on 8-byte boundary.
1557
1558 2012-10-26  Ian Lance Taylor  <iant@google.com>
1559
1560         PR other/55087
1561         * posix.c (backtrace_open): Add does_not_exist parameter.
1562         * elf.c (phdr_callback): Do not warn if shared library could not
1563         be opened.
1564         * fileline.c (fileline_initialize): Update calls to
1565         backtrace_open.
1566         * internal.h (backtrace_open): Update declaration.
1567
1568 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1569
1570         PR target/55061
1571         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1572         * configure: Regenerate.
1573
1574 2012-10-24  Ian Lance Taylor  <iant@google.com>
1575
1576         PR target/55061
1577         * configure.ac: Check whether -funwind-tables option works.
1578         * configure: Rebuild.
1579
1580 2012-10-11  Ian Lance Taylor  <iant@google.com>
1581
1582         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1583         * configure: Rebuild.
1584
1585 2012-10-10  Ian Lance Taylor  <iant@google.com>
1586
1587         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1588         lower case.
1589
1590 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1591
1592         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1593
1594 2012-10-09  Ian Lance Taylor  <iant@google.com>
1595
1596         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1597         (backtrace_dwarf_add): Likewise.
1598
1599 2012-10-09  Ian Lance Taylor  <iant@google.com>
1600
1601         Add support for tracing through shared libraries.
1602         * configure.ac: Check for link.h and dl_iterate_phdr.
1603         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1604         ELF macros before #defining them.
1605         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1606         dl_iterate_phdr.
1607         (struct elf_syminfo_data): Add next field.
1608         (elf_initialize_syminfo): Initialize next field.
1609         (elf_add_syminfo_data): New static function.
1610         (elf_add): New static function, broken out of
1611         backtrace_initialize.  Call backtrace_dwarf_add instead of
1612         backtrace_dwarf_initialize.
1613         (struct phdr_data): Define.
1614         (phdr_callback): New static function.
1615         (backtrace_initialize): Call elf_add.
1616         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1617         (add_unit_addr): Add base_address parameter.  Change all callers.
1618         (add_unit_ranges, build_address_map): Likewise.
1619         (add_line): Add ddata parameter.  Change all callers.
1620         (read_line_program, add_function_range): Likewise.
1621         (dwarf_lookup_pc): New static function, broken out of
1622         dwarf_fileline.
1623         (dwarf_fileline): Call dwarf_lookup_pc.
1624         (build_dwarf_data): New static function.
1625         (backtrace_dwarf_add): New function.
1626         (backtrace_dwarf_initialize): Remove.
1627         * internal.h (backtrace_dwarf_initialize): Don't declare.
1628         (backtrace_dwarf_add): Declare.
1629         * configure, config.h.in: Rebuild.
1630
1631 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1632
1633         * btest.c (f23): Avoid uninitialized variable warning.
1634
1635 2012-10-04  Ian Lance Taylor  <iant@google.com>
1636
1637         * dwarf.c: If the system header files do not declare strnlen,
1638         provide our own version.
1639
1640 2012-10-03  Ian Lance Taylor  <iant@google.com>
1641
1642         * dwarf.c (read_uleb128): Fix overflow test.
1643         (read_sleb128): Likewise.
1644         (build_address_map): Don't change unit_buf.start.
1645
1646 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1647
1648         PR other/54761
1649         * configure.ac (EXTRA_FLAGS): New.
1650         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1651         * configure, Makefile.in: Regenerate.
1652
1653 2012-09-29  Ian Lance Taylor  <iant@google.com>
1654
1655         PR other/54749
1656         * fileline.c (fileline_initialize): Pass errnum as -1 when
1657         reporting that we could not read executable information after a
1658         previous failure.
1659
1660 2012-09-27  Ian Lance Taylor  <iant@google.com>
1661
1662         PR bootstrap/54732
1663         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1664         * Makefile.am: Add dependencies for all objects.
1665         * configure, aclocal.m4, Makefile.in: Rebuild.
1666
1667 2012-09-27  Ian Lance Taylor  <iant@google.com>
1668
1669         PR other/54726
1670         * elf.c (backtrace_initialize): Set *fileln_fn, not
1671         state->fileln_fn.
1672
1673 2012-09-19  Ian Lance Taylor  <iant@google.com>
1674
1675         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1676         as a target library.
1677         * configure: Rebuild.
1678
1679 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1680             Ian Lance Taylor  <iant@google.com>
1681
1682         * configure.ac (GCC_HEADER_STDINT): Invoke.
1683         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1684         * btest.c: Don't include <stdint.h>.
1685         * dwarf.c: Likewise.
1686         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1687
1688 2012-09-18  Ian Lance Taylor  <iant@google.com>
1689
1690         PR bootstrap/54623
1691         * Makefile.am (AM_CPPFLAGS): Define.
1692         (AM_CFLAGS): Remove -I options.
1693         * Makefile.in: Rebuild.
1694
1695 2012-09-18  Ian Lance Taylor  <iant@google.com>
1696
1697         * posix.c (O_BINARY): Define if not defined.
1698         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1699         HAVE_FCNTL is defined.
1700         * configure.ac: Test for the fcntl function.
1701         * configure, config.h.in: Rebuild.
1702
1703 2012-09-18  Ian Lance Taylor  <iant@google.com>
1704
1705         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1706
1707 2012-09-18  Ian Lance Taylor  <iant@google.com>
1708
1709         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1710
1711 2012-09-18  Ian Lance Taylor  <iant@google.com>
1712
1713         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1714         * mmapio.c: Don't define _GNU_SOURCE.
1715         * configure, config.h.in: Rebuild.
1716
1717 2012-09-18  Ian Lance Taylor  <iant@google.com>
1718
1719         * configure.ac: Check whether strnlen is declared.
1720         * dwarf.c: Declare strnlen if not declared.
1721         * configure, config.h.in: Rebuild.
1722
1723 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1724
1725         * fileline.c: Include <stdlib.h>.
1726         * mmap.c: Likewise.
1727
1728 2012-09-17  Ian Lance Taylor  <iant@google.com>
1729
1730         PR bootstrap/54611
1731         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1732         parameter.
1733
1734 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1735
1736         PR bootstrap/54611
1737         * nounwind.c (backtrace_simple): Add state parameter.
1738
1739 2012-09-17  Ian Lance Taylor  <iant@google.com>
1740
1741         PR bootstrap/54609
1742         * unknown.c (unknown_fileline): Add state parameter, remove
1743         fileline_data parameter, name error_callback parameter.
1744         (backtrace_initialize): Add state parameter.
1745
1746 2012-09-17  Ian Lance Taylor  <iant@google.com>
1747
1748         * Initial implementation.
1749 \f
1750 Copyright (C) 2012-2021 Free Software Foundation, Inc.
1751
1752 Copying and distribution of this file, with or without modification,
1753 are permitted in any medium without royalty provided the copyright
1754 notice and this notice are preserved.