libbacktrace/ChangeLog

   1 2022-10-12  Martin Liska  <mliska@suse.cz>
   2
   3         * configure: Regenerate.
   4
   5 2022-10-11  Olivier Hainque  <hainque@adacore.com>
   6             Olivier Hainque  <hainque@adacore.com>
   7
   8         * configure: Regenerate.
   9
  10 2022-07-08  Ian Lance Taylor  <iant@golang.org>
  11
  12         * configure.ac: Check for sys/link.h.  Use either link.h or
  13         sys/link.h when checking for dl_iterate_phdr.
  14         * elf.c: Include sys/link.h if available.
  15         * configure, config.h.in: Regenerate.
  16
  17 2022-07-07  Ian Lance Taylor  <iant@golang.org>
  18
  19         * macho.c (backtrace_initialize) [HAVE_MACH_O_DYLD_H]: Don't exit
  20         loop if we can't find debug info for one shared library.
  21
  22 2022-07-07  Ian Lance Taylor  <iant@golang.org>
  23
  24         * Makefile.am (MAKETESTS): New variable split out of TESTS.
  25         (CLEANFILES): Replace TESTS with BUILDTESTS and MAKETESTS.
  26         * Makefile.in: Regenerate.
  27
  28 2022-06-27  Ian Lance Taylor  <iant@golang.org>
  29
  30         * configure.ac: Use grep instead of fgrep.
  31         * configure, Makefile.in: Regenerate.
  32
  33 2022-05-28  Ian Lance Taylor  <iant@golang.org>
  34
  35         PR libbacktrace/105721
  36         * README: Update.
  37
  38 2022-04-05  Ian Lance Taylor  <iant@golang.org>
  39
  40         * elf.c (elf_zlib_inflate): Don't skip initial aligned byte in
  41         uncompressed block.
  42
  43 2022-02-17  Ian Lance Taylor  <iant@golang.org>
  44
  45         * dwarf.c (find_address_ranges): Handle skeleton units.
  46         (read_function_entry): Likewise.
  47
  48 2022-02-16  Ian Lance Taylor  <iant@golang.org>
  49
  50         * dwarf.c (build_address_map): Initialize DWARF 5 fields of unit.
  51
  52 2022-02-03  David Seifert  <soap@gentoo.org>
  53             Jakub Jelinek  <jakub@redhat.com>
  54
  55         * configure.ac: Support --disable-werror.
  56         * configure: Regenerate.
  57
  58 2021-12-28  Francois-Xavier Coudert  <fxcoudert@gmail.com>
  59
  60         PR libbacktrace/103822
  61         * Makefile.am: Fix newline.
  62         * Makefile.in: Regenerate.
  63
  64 2021-11-12  Martin Liska  <mliska@suse.cz>
  65
  66         PR libbacktrace/103167
  67         * elf.c (elf_uncompress_lzma_block): Cast to unsigned int.
  68         (elf_uncompress_lzma): Likewise.
  69         * xztest.c (test_samples): memcpy only if v > 0.
  70
  71 2021-10-22  Martin Liska  <mliska@suse.cz>
  72
  73         PR testsuite/102742
  74         * btest.c (MIN_DESCRIPTOR): New.
  75         (MAX_DESCRIPTOR): Likewise.
  76         (check_available_files): Likewise.
  77         (check_open_files): Check only file descriptors that
  78         were not available at the entry.
  79         (main): Call check_available_files.
  80
  81 2021-08-13  Sergei Trofimovich  <siarheit@google.com>
  82
  83         * install-debuginfo-for-buildid.sh.in: Force non-localized readelf
  84         output with LANG=C.
  85
  86 2021-06-28  Clément Chigot  <clement.chigot@atos.net>
  87
  88         * xcoff.c (SSUBTYP_DWRNGES): New define.
  89         (xcoff_add): Use correct XCOFF DWARF section subtype
  90         for DEBUG_RANGES. Remove lineoff workaround.
  91         Adjust base_address.
  92         (xcoff_initialize_syminfo): Adapt to new base_address.
  93         (xcoff_lookup_pc): Likewise.
  94         (xcoff_initialize_fileline): Likewise.
  95
  96 2021-05-03  H.J. Lu  <hjl.tools@gmail.com>
  97
  98         PR bootstrap/99703
  99         * configure: Regenerated.
 100
 101 2021-03-03  Ian Lance Taylor  <iant@golang.org>
 102
 103         * dwarf.c (read_line_program): Don't special case file 0.
 104         (read_function_entry): Likewise.
 105
 106 2021-03-02  Ian Lance Taylor  <iant@golang.org>
 107
 108         PR libbacktrace/98818
 109         * dwarf.c (dwarf_buf_error): Add errnum parameter.  Change all
 110         callers.
 111         * backtrace.h: Update backtrace_error_callback comment.
 112
 113 2021-02-12  Ian Lance Taylor  <iant@golang.org>
 114
 115         * configure.ac: Check for objcopy --add-gnu-debuglink by using
 116         objcopy --help.
 117         * configure: Regenerate
 118
 119 2021-01-18  Ian Lance Taylor  <iant@golang.org>
 120
 121         * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
 122         * Makefile.in: Regenerate.
 123         * configure: Regenerate.
 124
 125 2021-01-18  Ian Lance Taylor  <iant@golang.org>
 126
 127         PR debug/98716
 128         * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
 129         filenames.
 130         (read_line_program): Remove parameter u, change caller.  Don't
 131         subtract one from dirs and filenames index.
 132         (read_function_entry): Don't subtract one from filenames index.
 133
 134 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
 135
 136         * configure: Re-generate.
 137
 138 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
 139
 140         PR target/97865
 141         * configure: Regenerate.
 142
 143 2020-12-02  Ian Lance Taylor  <iant@golang.org>
 144
 145         * dwarf.c (resolve_string): Use > rather than >= to check whether
 146         string index extends past buffer.
 147         (resolve_addr_index): Similarly for address index.
 148
 149 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
 150
 151         * configure: Regenerate.
 152
 153 2020-10-20  Ian Lance Taylor  <iant@golang.org>
 154
 155         * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
 156         * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
 157
 158 2020-09-28  Ian Lance Taylor  <iant@golang.org>
 159
 160         PR libbacktrace/97082
 161         * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
 162         * Makefile.in: Regenerate.
 163
 164 2020-09-28  Ian Lance Taylor  <iant@golang.org>
 165
 166         PR libbacktrace/97227
 167         * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
 168         * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
 169         * configure: Regenerate.
 170         * Makefile.in: Regenerate.
 171
 172 2020-09-23  Ian Lance Taylor  <iant@golang.org>
 173
 174         * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
 175         p->low.
 176         (dwarf_lookup_pc): Likewise.
 177
 178 2020-09-17  Ian Lance Taylor  <iant@golang.org>
 179
 180         PR libbacktrace/97080
 181         * fileline.c (backtrace_syminfo_to_full_callback): New function.
 182         (backtrace_syminfo_to_full_error_callback): New function.
 183         * elf.c (elf_nodebug): Call syminfo_fn if possible.
 184         * internal.h (struct backtrace_call_full): Define.
 185         (backtrace_syminfo_to_full_callback): Declare.
 186         (backtrace_syminfo_to_full_error_callback): Declare.
 187         * mtest.c (f3): Only check all[i] if data.index permits.
 188
 189 2020-09-16  Iain Sandoe  <iain@sandoe.co.uk>
 190
 191         * macho.c (MACH_O_CPU_TYPE_PPC): New.
 192         (MACH_O_CPU_TYPE_PPC64): New.
 193         Add compile-tests for powerpc to the Mach-O variants.
 194
 195 2020-09-14  Ian Lance Taylor  <iant@golang.org>
 196
 197         PR libbacktrace/93608
 198         Add support for MiniDebugInfo.
 199         * elf.c (struct elf_view): Define.  Replace most uses of
 200         backtrace_view with elf_view.
 201         (elf_get_view): New static functions.  Replace most calls of
 202         backtrace_get_view with elf_get_view.
 203         (elf_release_view): New static functions.  Replace most calls of
 204         backtrace_release_view with elf_release_view.
 205         (elf_uncompress_failed): Rename from elf_zlib_failed.  Change all
 206         callers.
 207         (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
 208         (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
 209         (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
 210         (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
 211         (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
 212         (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
 213         (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
 214         (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
 215         (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
 216         (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
 217         (LZMA_PROB_DIST_ALIGN_LEN): Define.
 218         (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
 219         (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
 220         (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
 221         (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
 222         (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
 223         (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
 224         (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
 225         (LZMA_PROB_REP_LEN_LOW_LEN): Define.
 226         (LZMA_PROB_REP_LEN_MID_LEN): Define.
 227         (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
 228         (LZMA_PROB_LITERAL_LEN): Define.
 229         (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
 230         (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
 231         (LZMA_PROB_IS_REP2_OFFSET): Define.
 232         (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
 233         (LZMA_PROB_DIST_SLOT_OFFSET): Define.
 234         (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
 235         (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
 236         (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
 237         (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
 238         (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
 239         (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
 240         (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
 241         (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
 242         (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
 243         (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
 244         (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
 245         (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
 246         (LZMA_PROB_LITERAL_OFFSET): Define.
 247         (LZMA_PROB_TOTAL_COUNT): Define.
 248         (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
 249         (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
 250         (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
 251         (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
 252         (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
 253         (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
 254         (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
 255         (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
 256         (elf_lzma_varint): New static function.
 257         (elf_lzma_range_normalize): New static function.
 258         (elf_lzma_bit, elf_lzma_integer): New static functions.
 259         (elf_lzma_reverse_integer): New static function.
 260         (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
 261         (elf_uncompress_lzma): New static function.
 262         (backtrace_uncompress_lzma): New function.
 263         (elf_add): Add memory and memory_size parameters.  Change all
 264         callers.  Look for .gnu_debugdata section, and, if found,
 265         decompress it and use it for symbols and debug info.  Permit the
 266         descriptor parameter to be -1.
 267         * internal.h (backtrace_uncompress_lzma): Declare.
 268         * mtest.c: New file.
 269         * xztest.c: New file.
 270         * configure.ac: Check for nm, xz, and comm programs.  Check for
 271         liblzma library.
 272         (HAVE_MINIDEBUG): Define.
 273         * Makefile.am (mtest_SOURCES): Define.
 274         (mtest_CFLAGS, mtest_LDADD): Define.
 275         (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
 276         (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
 277         (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
 278         (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
 279         (xztest_alloc_LDADD): Define.
 280         (BUILDTESTS): Add mtest, xztest, xztest_alloc.
 281         (CLEANFILES): Add files created by minidebug pattern.
 282         (btest.lo): Correct INCDIR reference.
 283         (mtest.lo, xztest.lo, ztest.lo): New targets.
 284         * configure: Regenerate.
 285         * config.h.in: Regenerate.
 286         * Makefile.in: Regenerate.
 287
 288 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 289
 290         * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
 291         (coff_add): Determine and pass is_64.
 292
 293 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 294
 295         PR libbacktrace/96973
 296         * fileline.c (macho_get_executable_path): New static function.
 297         (fileline_initialize): Call macho_get_executable_path.
 298
 299 2020-09-09  Ian Lance Taylor  <iant@golang.org>
 300
 301         * dwarf.c (function_addrs_search): Compare against the next entry
 302         low address, not the high address.
 303         (unit_addrs_search): Likewise.
 304         (build_address_map): Add a trailing unit_addrs.
 305         (read_function_entry): Add a trailing function_addrs.
 306         (read_function_info): Likewise.
 307         (report_inlined_functions): Search backward for function_addrs
 308         match.
 309         (dwarf_lookup_pc): Search backward for unit_addrs and
 310         function_addrs matches.
 311
 312 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 313
 314         * simple.c (simple_unwind): Correct comment spelling.
 315
 316 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 317
 318         * macho.c (macho_add_dsym): Make space for '/' in dsym.  Use
 319         correct length when freeing diralc.
 320
 321 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 322
 323         PR libbacktrace/96973
 324         * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
 325
 326 2020-09-08  Ian Lance Taylor  <iant@golang.org>
 327
 328         PR libbacktrace/96971
 329         * filetype.awk: Only match magic number at start of line.
 330
 331 2020-08-24  Ian Lance Taylor  <iant@golang.org>
 332
 333         * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
 334         (MACH_O_MH_CIGAM_FAT_64): Define.
 335         (struct macho_fat_arch_64): Define.
 336         (macho_add_fat): Add and use is_64 parameter.
 337         (macho_add): Recognize 64-bit fat files.
 338
 339 2020-07-30  H.J. Lu  <hjl.tools@gmail.com>
 340
 341         PR bootstrap/96202
 342         * configure: Regenerated.
 343
 344 2020-07-08  Ian Lance Taylor  <iant@golang.org>
 345
 346         * configure.ac: Test linker support for DWARF5
 347         * configure: Regenerate
 348
 349 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
 350
 351         PR bootstrap/95413
 352         * configure: Regenerated.
 353
 354 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 355
 356         PR bootstrap/95147
 357         * configure: Regenerated.
 358
 359 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 360
 361         * configure: Regenerated.
 362
 363 2020-05-13  Ian Lance Taylor  <iant@golang.org>
 364
 365         * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
 366
 367 2020-05-13  Ian Lance Taylor  <iant@golang.org>
 368
 369         PR go/95061
 370         * posix.c (backtrace_open): Treat EACCESS like ENOENT.
 371
 372 2020-05-12  H.J. Lu  <hongjiu.lu@intel.com>
 373
 374         * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
 375         * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
 376         AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
 377         enabled.
 378         * Makefile.in: Regenerated.
 379         * configure: Likewise.
 380
 381 2020-05-11  Ian Lance Taylor  <iant@golang.org>
 382
 383         PR libbacktrace/95012
 384         * configure.ac: Check for getpagesize declaration.
 385         * mmap.c: Declare getpagesize if necessary.
 386         * mmapio.c: Likewise.
 387         * configure: Regenerate.
 388         * config.h.in: Regenerate.
 389         * Makefile.in: Regenerate.
 390
 391 2020-05-09  Roland McGrath  <mcgrathr@google.com>
 392
 393         * elf.c (elf_add): Bail early if there are no section headers at all.
 394
 395 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 396
 397         * elf.c (elf_add): Don't free strtab if an error occurs after
 398         recording symbol information.
 399
 400 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 401
 402         PR libbacktrace/88745
 403         * macho.c: New file.
 404         * filetype.awk: Recognize Mach-O files.
 405         * Makefile.am (FORMAT_FILES): Add macho.c.
 406         (check_DATA): New variable.  Set to .dSYM if HAVE_DSYMUTIL.
 407         (%.dSYM): New pattern target.
 408         (test_macho_SOURCES, test_macho_CFLAGS): New targets.
 409         (test_macho_LDADD): New target.
 410         (BUILDTESTS): Add test_macho.
 411         (macho.lo): Add dependencies.
 412         * configure.ac: Recognize macho file type.  Check for
 413         mach-o/dyld.h.  Don't try to run objcopy if we don't find it.
 414         Look for dsymutil and define a HAVE_DSYMUTIL conditional.
 415         * Makefile.in: Regenerate.
 416         * configure: Regenerate.
 417         * config.h.in: Regenerate.
 418
 419 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 420
 421         * read.c (backtrace_get_view): Support short read.
 422
 423 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 424
 425         * elf.c (elf_add): If debug sections are very large or far apart,
 426         read them individually rather than as a single view.
 427
 428 2020-05-08  Ian Lance Taylor  <iant@golang.org>
 429
 430         * fileline.c (sysctl_exec_name): New static function.
 431         (sysctl_exec_name1): New macro or static function.
 432         (sysctl_exec_name2): Likewise.
 433         (fileline_initialize): Try sysctl_exec_name[12].
 434         * configure.ac: Check for sysctl args to fetch executable name.
 435         * configure: Regenerate.
 436         * config.h.in: Regenerate.
 437
 438 2020-02-15  Ian Lance Taylor  <iant@golang.org>
 439
 440         * ztest.c (test_large): Update file to current libgo test file.
 441
 442 2020-02-03  Ian Lance Taylor  <iant@golang.org>
 443
 444         * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
 445         (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
 446         (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
 447         (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
 448         (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
 449         (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
 450         (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
 451         (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
 452         (stest_alloc_CFLAGS): Likewise.
 453         * Makefile.in: Regenerate.
 454         * ztest.c (error_callback_compress): Mark vdata unused.
 455         (test_large): Add casts to avoid warnings.
 456
 457 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 458
 459         Update copyright years.
 460
 461 2019-12-13  Ian Lance Taylor  <iant@golang.org>
 462
 463         Add DWARF 5 support.
 464         * dwarf.c (struct attr): Add val field.
 465         (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
 466         ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
 467         (struct line_header): Add addrsize field.
 468         (struct line_header_format): Define.
 469         (struct unit): Add str_offsets_base, addr_base, and rnglists_base
 470         fields.
 471         (read_uint24): New static function.
 472         (read_attribute): Add implicit_val parameter.  Replace dwarf_str
 473         and dwarf_str_size parameters with dwarf_sections parameter.  Add
 474         support for new DWARF 5 forms.  Change all callers.
 475         (resolve_string): New static function.
 476         (resolve_addr_index): Likewise.
 477         (read_abbrevs): Support DW_FORM_implicit_const.
 478         (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
 479         and ranges_is_index fields.
 480         (update_pcrange): Support DWARF 5 encodings.
 481         (add_high_low_range): New static function, split out of
 482         add_ranges.
 483         (add_ranges_from_ranges): Likewise.
 484         (add_ranges_from_rnglists): New static function.
 485         (add_ranges): Just call new helper functions.
 486         (find_address_ranges): Use resolve_string for strings, after
 487         reading all attributes.  Handle new DWARF 5 attributes.
 488         (build_address_map): Support DWARF 5 compilation units.
 489         (read_v2_paths): New static function, split out of
 490         read_line_header.
 491         (read_lnct): New static function.
 492         (read_line_header_format_entries): Likewise.
 493         (read_line_header): Add ddata parameter.  Support DWARF 5 line
 494         headers.  Call new helper functions.  Change all callers.
 495         (read_line_program): Use addrsize from line program header.  Don't
 496         special case directory index 0 for DWARF 5.
 497         (read_referenced_name): Use resolve_string.
 498         (read_function_entry): Handle DWARF 5 encodings.  Use
 499         resolve_string.
 500         * internal.h (enum dwarf_section): Add DEBUG_ADDR,
 501         DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
 502         * elf.c (dwarf_section_names): Add new section names.
 503         * pecoff.c (dwarf_section_names): Likewise.
 504         * xcoff.c (xcoff_add): Clear dwarf_sections before setting
 505         fields.
 506         * configure.ac: Define HAVE_DWARF5 automake conditional.
 507         * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
 508         (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
 509         (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
 510         (dwarf5_alloc_LDADD): Likewise.
 511         (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
 512         (CLEANFILES, clean-local): Define.
 513
 514 2019-12-08  Ian Lance Taylor  <iant@golang.org>
 515
 516         * dwarf.c (struct pcrange): Define.
 517         (update_pcrange, add_ranges): New static functions.
 518         (add_unit_addr): Change signature to work with add_ranges.  Don't
 519         add base_address here.
 520         (add_unit_ranges): Remove.
 521         (find_address_ranges): Replace str/ranges parameters with
 522         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
 523         callers.
 524         (add_function_range): Change signature to work with add_ranges.
 525         Don't add base_address here.
 526         (add_function_ranges): Remove.
 527         (read_function_entry): Use update_pcrange and add_ranges.
 528
 529 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 530
 531         * edtest.c (test1): Add noclone attribute.
 532
 533 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 534
 535         * internal.h (enum dwarf_section): Define.
 536         (struct dwarf_sections): Define.
 537         (backtrace_dwarf_add): Update declaration to replace specific
 538         section parameters with dwarf_sections parameter.
 539         * dwarf.c (struct dwarf_data): Replace specific section fields
 540         with dwarf_sections field.
 541         (read_attribute): Use dwarf_sections with altlink.
 542         (build_address_map): Replace specific section parameters with
 543         dwarf_sections parameter.  Change all callers.
 544         (read_line_info): Use dwarf_sections with ddata.
 545         (read_referenced_name): Likewise.
 546         (add_function_ranges): Likewise.
 547         (read_function_entry): Likewise.
 548         (read_function_info): Likewise.
 549         (build_dwarf_data): Replace specific section parameters with
 550         dwarf_sections parameter.  Change all callers.
 551         (backtrace_dwarf_add): Likewise.
 552         * elf.c (enum debug_section): Remove.
 553         (dwarf_section_names): Remove .zdebug names.
 554         (elf_add): Track zsections separately.  Build dwarf_sections.
 555         * pecoff.c (enum debug_section): Remove.
 556         (struct debug_section_info): Remove data field.
 557         (coff_add): Build dwarf_sections.
 558         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
 559         references with DEBUG_xxx references.
 560         (xcoff_add): Build dwarf_sections.
 561
 562 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 563
 564         * configure: Regenerate.
 565
 566 2019-09-26  Ian Lance Taylor  <iant@golang.org>
 567
 568         PR libbacktrace/91908
 569         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
 570         __sync_bool_compare_and_swap to void.
 571         * xcoff.c (backtrace_initialize): Likewise.
 572
 573 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 574
 575         * configure.ac: Remove references to spu.
 576         * configure: Regenerate.
 577
 578 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
 579
 580         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
 581         test_elf_64.
 582         * Makefile.in: Regenerate.
 583
 584 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 585
 586         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
 587         handling.
 588         * configure: Regenerate.
 589
 590 2019-03-11  Ian Lance Taylor  <iant@golang.org>
 591
 592         PR libbacktrace/89669
 593         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
 594         HAVE_ELF.
 595         * Makefile.in: Regenerate.
 596
 597 2019-02-26  Tom de Vries  <tdevries@suse.de>
 598
 599         * btest.c (test5): Allow global.* as minimal symbol name for global.
 600
 601 2019-02-26  Tom de Vries  <tdevries@suse.de>
 602
 603         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
 604         * Makefile.in: Regenerate.
 605
 606 2019-02-12  Tom de Vries  <tdevries@suse.de>
 607
 608         PR libbacktrace/81983
 609         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
 610
 611 2019-02-10  Tom de Vries  <tdevries@suse.de>
 612
 613         * Makefile.am (BUILDTESTS): Add btest_lto.
 614         * Makefile.in: Regenerate.
 615         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 616         __attribute__((noclone)).
 617
 618 2019-02-08  Tom de Vries  <tdevries@suse.de>
 619
 620         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 621         * print.c (backtrace_print): Same.
 622         * simple.c (backtrace_simple): Same.
 623
 624 2019-02-08  Tom de Vries  <tdevries@suse.de>
 625
 626         PR libbacktrace/78063
 627         * dwarf.c (build_address_map): Keep all parsed units.
 628         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 629
 630 2019-01-31  Tom de Vries  <tdevries@suse.de>
 631
 632         PR libbacktrace/89136
 633         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 634         'debugaltlink_name_len =+ 1'.
 635
 636 2019-01-29  Tom de Vries  <tdevries@suse.de>
 637
 638         * install-debuginfo-for-buildid.sh.in: New script.
 639         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 640         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 641         * Makefile.in: Regenerate.
 642         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 643         (READELF): Set with AC_CHECK_PROG.
 644         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 645         * configure: Regenerate.
 646         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 647         (elf_open_debugfile_by_buildid): ... here.
 648
 649 2019-01-29  Tom de Vries  <tdevries@suse.de>
 650
 651         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 652         allocfail.
 653         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 654         (check_PROGRAMS): Add BUILDTESTS.
 655         * Makefile.in: Regenerate.
 656
 657 2019-01-28  Tom de Vries  <tdevries@suse.de>
 658
 659         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 660         Use $< to access prerequisite.
 661         * Makefile.in: Regenerate.
 662
 663 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 664
 665         * elf.c (elf_add): Pass "" filename to recursive call with
 666         separated debug.
 667
 668 2019-01-25  Tom de Vries  <tdevries@suse.de>
 669
 670         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 671         filename == "".
 672         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 673         * Makefile.in: Regenerate.
 674
 675 2019-01-25  Tom de Vries  <tdevries@suse.de>
 676
 677         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 678         (TESTS): Rename dtest to btest_gnudebuglink.
 679         * Makefile.in: Regenerate.
 680
 681 2019-01-23  Tom de Vries  <tdevries@suse.de>
 682
 683         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 684         (units_search, find_unit): Use size_t for offset.
 685         (build_address_map): Use size_t for unit_offset.
 686
 687 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 688
 689         * allocfail.c (main): Increase portability of printf statement.
 690
 691 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 692
 693         PR libbacktrace/88890
 694         * mmapio.c (backtrace_get_view): Change size parameter to
 695         uint64_t.  Check that value fits in size_t.
 696         * read.c (backtrace_get_view): Likewise.
 697         * internal.h (backtrace_get_view): Update declaration.
 698         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 699
 700 2019-01-17  Tom de Vries  <tdevries@suse.de>
 701
 702         PR libbacktrace/82857
 703         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 704         (HAVE_DWZ): Set with AM_CONDITIONAL.
 705         * configure: Regenerate.
 706         * Makefile.am (TESTS): Add btest_dwz.
 707         * Makefile.in: Regenerate.
 708
 709 2019-01-17  Tom de Vries  <tdevries@suse.de>
 710
 711         PR libbacktrace/82857
 712         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 713         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 714         ATTR_VAL_REF_ALT_INFO.
 715         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 716
 717 2019-01-17  Tom de Vries  <tdevries@suse.de>
 718
 719         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 720         (struct unit_vector): New type.
 721         (struct dwarf_data): Add units and units_counts fields.
 722         (find_unit): New function.
 723         (find_address_ranges): Add and handle unit_tag parameter.
 724         (build_address_map): Add and handle units_vec parameter.
 725         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 726         units vector.
 727
 728 2019-01-17  Tom de Vries  <tdevries@suse.de>
 729
 730         PR libbacktrace/82857
 731         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 732         using altlink.
 733
 734 2019-01-17  Tom de Vries  <tdevries@suse.de>
 735
 736         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 737         (read_attribute): Add altlink parameter.  Handle missing altlink for
 738         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 739         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 740         handle altlink parameter.
 741         (read_referenced_name, read_function_entry): Add argument to
 742         read_attribute call.
 743
 744 2019-01-17  Tom de Vries  <tdevries@suse.de>
 745
 746         * dwarf.c (struct dwarf_data): Add altlink field.
 747         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 748         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 749         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 750         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 751         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 752         * xcoff.c (xcoff_add): Same.
 753
 754 2019-01-17  Tom de Vries  <tdevries@suse.de>
 755
 756         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 757         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 758         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 759         argument to backtrace_dwarf_add call.
 760         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 761         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 762         * xcoff.c (xcoff_add): Same.
 763
 764 2019-01-17  Tom de Vries  <tdevries@suse.de>
 765
 766         * elf.c (elf_add): Add and handle with_buildid_data and
 767         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 768         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 769
 770 2019-01-16  Tom de Vries  <tdevries@suse.de>
 771
 772         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 773         of ...
 774         (read_referenced_name): ... here, and ...
 775         (read_function_entry): ... here.
 776
 777 2019-01-16  Tom de Vries  <tdevries@suse.de>
 778
 779         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 780         name.
 781         (read_function_entry): Same.  Don't allow name found via
 782         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 783         name.
 784
 785 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 786
 787         PR other/16615
 788
 789         * backtrace.h: Mechanically replace "can not" with "cannot".
 790
 791 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 792
 793         Update copyright years.
 794
 795 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 796
 797         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 798         in sed pattern.
 799         * Makefile.in: Regenerate.
 800
 801 2018-12-28  Tom de Vries  <tdevries@suse.de>
 802
 803         * dwarf.c (build_address_map): Reuse unused units.
 804
 805 2018-12-28  Tom de Vries  <tdevries@suse.de>
 806
 807         * dwarf.c (build_address_map): Simplify by removing local variable
 808         abbrevs.
 809
 810 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 811             Tom de Vries  <tdevries@suse.de>
 812
 813         PR libbacktrace/88063
 814         * dwarf.c (free_unit_addrs_vector): Remove.
 815         (build_address_map): Keep track of allocated units in vector.  Free
 816         allocated units and corresponding abbrevs upon failure.  Remove now
 817         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 818         failure.  Free allocated unit vector.
 819
 820 2018-12-28  Tom de Vries  <tdevries@suse.de>
 821
 822         * dwarf.c (build_address_map): Free addrs vector upon failure.
 823
 824 2018-12-14  Tom de Vries  <tdevries@suse.de>
 825
 826         PR testsuite/88491
 827         * allocfail.sh: Remove "set -o pipefail".
 828
 829 2018-12-12  Tom de Vries  <tdevries@suse.de>
 830
 831         * Makefile.am (TESTS): Add allocfail.sh.
 832         (check_PROGRAMS): Add allocfail.
 833         * Makefile.in: Regenerate.
 834         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 835         Include alloc.c.
 836         * allocfail.c: New file.
 837         * allocfail.sh: New file.
 838
 839 2018-11-30  Tom de Vries  <tdevries@suse.de>
 840
 841         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 842         test_xcoff_64, test_pecoff and test_unknown.
 843         * Makefile.in: Regenerate.
 844         * test_format.c: New file.
 845
 846 2018-11-30  Tom de Vries  <tdevries@suse.de>
 847
 848         * Makefile.am : Add _with_alloc version for each test in
 849         check_PROGRAMS.
 850         * Makefile.in: Regenerate.
 851
 852 2018-11-30  Tom de Vries  <tdevries@suse.de>
 853
 854         * internal.h (backtrace_vector_free): New static inline fuction,
 855         factored out of ...
 856         * dwarf.c (read_line_info): ... here.
 857
 858 2018-11-28  Tom de Vries  <tdevries@suse.de>
 859
 860         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 861         failure.
 862
 863 2018-11-27  Tom de Vries  <tdevries@suse.de>
 864
 865         * mmap.c (backtrace_vector_release): Same.
 866         * unittest.c (test1): Add check.
 867
 868 2018-11-27  Tom de Vries  <tdevries@suse.de>
 869
 870         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 871         instead of realloc.
 872         * Makefile.am (check_PROGRAMS): Add unittest.
 873         * Makefile.in: Regenerate.
 874         * unittest.c: New file.
 875
 876 2018-11-22  Tom de Vries  <tdevries@suse.de>
 877
 878         * dwarf.c (read_initial_length): Factor out of ...
 879         (build_address_map, read_line_info): ... here.
 880
 881 2018-11-21  Tom de Vries  <tdevries@suse.de>
 882
 883         * dwarf.c (read_string): Factor out of ...
 884         (read_attribute, read_line_header, read_line_program): ... here.
 885
 886 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 887
 888         PR bootstrap/82856
 889         * Makefile.am: Include multilib.am.
 890         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 891         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 892
 893 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 894
 895         PR libbacktrace/87529
 896         * backtrace.h: Document that backtrace_create_state should be
 897         called only once.
 898
 899 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 900
 901         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 902         * Makefile.in: Regenerate.
 903         * config.h.in: Likewise.
 904         * configure: Likewise.
 905
 906 2018-08-01  Tony Reix  <tony.reix@atos.net>
 907
 908         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 909         (struct xcoff_func, struct xcoff_func_vector): New structs.
 910         (xcoff_syminfo): Drop leading dot from symbol name.
 911         (xcoff_line_compare, xcoff_line_search): Remove.
 912         (xcoff_func_compare, xcoff_func_search): New static functions.
 913         (xcoff_lookup_pc): Search function table.
 914         (xcoff_add_line, xcoff_process_linenos): Remove.
 915         (xcoff_initialize_fileline): Build function table.
 916
 917 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 918
 919         PR other/86198
 920         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 921         checking up to 36 bytes.
 922
 923 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 924
 925         * configure: Regenerated.
 926
 927 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 928
 929         * configure: Regenerated.
 930
 931 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 932
 933         * backtrace.c: Revert last two changes.  Don't call mmap
 934         directly.
 935
 936 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 937
 938         * backtrace.c: Include backtrace-supported.h before checking
 939         BACKTRACE_USES_MALLOC.
 940
 941 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 942
 943         * backtrace.c (backtrace_full): When testing whether we can
 944         allocate memory, call mmap directly, and munmap the memory.
 945
 946 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 947
 948         PR other/85161
 949         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 950         big endian, only use 32-bit loads if endianity macros are predefined
 951         and indicate big or little endian.
 952
 953 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 954
 955         PR target/84148
 956         * configure: Regenerate.
 957
 958 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 959
 960         PR other/82368
 961         * elf.c (SHT_PROGBITS): Undefine and define.
 962
 963 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 964
 965         PR other/82368
 966         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 967         (struct elf_ppc64_opd_data): New type.
 968         (elf_initialize_syminfo): Add opd argument, handle symbols
 969         pointing into the PowerPC64 ELFv1 .opd section.
 970         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 971         to structure with .opd data to elf_initialize_syminfo.
 972
 973 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 974
 975         * elf.c (elf_add): Close descriptor if we use a debugfile.
 976         * btest.c (check_open_files): New static function.
 977         (main): Call check_open_files.
 978
 979 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 980
 981         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 982         desired CRC is zero.
 983         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 984
 985 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 986
 987         * pecoff.c (coff_add): Only release syms_view if it is valid.
 988
 989 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 990
 991         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 992
 993 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 994
 995         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 996
 997 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 998
 999         PR other/68239
1000         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
1001         on the free list.
1002
1003 2018-01-19  Tony Reix  <tony.reix@atos.net>
1004
1005         * xcoff.c (xcoff_incl_compare): New function.
1006         (xcoff_incl_search): New function.
1007         (xcoff_process_linenos): Use bsearch to find include file.
1008         (xcoff_initialize_fileline): Sort include file information.
1009
1010 2018-01-16  Ian Lance Taylor  <iant@golang.org>
1011
1012         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
1013         288.
1014         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
1015         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
1016         (elf_zlib_default_table): Update.
1017         (elf_zlib_default_dist_table): New static array.
1018         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
1019         for block type 1.
1020         * ztest.c (struct zlib_test): Add uncompressed_len.
1021         (tests): Initialize uncompressed_len field.  Add new test case.
1022         (test_samples): Use uncompressed_len field.
1023
1024 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1025
1026         Update copyright years.
1027
1028 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1029
1030         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
1031         * aclocal.m4: Regenerate.
1032         * Makefile.in: Likewise.
1033         * configure: Likewise.
1034
1035 2017-10-06  Ian Lance Taylor  <iant@golang.org>
1036
1037         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
1038         zlib uncompress function.
1039
1040 2017-10-05  Ian Lance Taylor  <iant@golang.org>
1041
1042         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
1043         Read a four byte integer.
1044         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
1045         boundary before ever calling elf_zlib_fetch.
1046         * ztest.c (test_large): Simplify print statements a bit.
1047
1048 2017-10-02  Ian Lance Taylor  <iant@golang.org>
1049
1050         * ztest.c: #include <errno.h>.
1051         (TEST_TIMING): Don't define, don't test.
1052         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
1053         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
1054         (ZLIB_CLOCK_GETTIME_ARG): Define.
1055         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
1056         * Makefile.am: Likewise.
1057         * configure, Makefile.in: Rebuild.
1058
1059 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
1060
1061         PR other/67165
1062         * Makefile.am: Append the content of clock_gettime_link to
1063         ztest_LDADD.
1064         * configure.ac: Test for the case that clock_gettime is in librt.
1065         * Makefile.in: Regenerate.
1066         * configure: Likewise.
1067
1068         PR other/67165
1069         * configure.ac: Check for clock_gettime.
1070         * config.h.in: Regenerate.
1071         * configure: Likewise.
1072         * ztest.c (average_time, test_large): Conditionalize test timing
1073         on clock_gettime availability.
1074
1075 2017-09-29  Tony Reix  <tony.reix@atos.net>
1076
1077         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
1078         (STYP_DWARF, SSUBTYP_DW*): Define.
1079         (enum dwarf_section): Define.
1080         (struct dwsect_info): Define.
1081         (xcoff_add): Look for DWARF sections, pass them to
1082         backtrace_dwarf_add.
1083
1084 2017-09-28  Ian Lance Taylor  <iant@golang.org>
1085
1086         PR other/67165
1087         * elf.c (__builtin_prefetch): Define if not __GNUC__.
1088         (unlikely): Define.
1089         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
1090         (b_elf_chdr): Define type.
1091         (enum debug_section): Add ZDEBUG_xxx values.
1092         (debug_section_names): Add names for new sections.
1093         (struct debug_section_info): Add compressed field.
1094         (elf_zlib_failed, elf_zlib_fetch): New static functions.
1095         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
1096         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
1097         (HUFFMAN_SECONDARY_SHIFT): Define.
1098         (ZDEBUG_TABLE_SIZE): Define.
1099         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1100         (final_next_secondary): New static variable if
1101         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1102         (elf_zlib_inflate_table): New static function.
1103         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1104         function to produce fixed Huffman table.
1105         (elf_zlib_default_table): New static variable.
1106         (elf_zlib_inflate): New static function.
1107         (elf_zlib_verify_checksum): Likewise.
1108         (elf_zlib_inflate_and_verify): Likewise.
1109         (elf_uncompress_zdebug): Likewise.
1110         (elf_uncompress_chdr): Likewise.
1111         (backtrace_uncompress_zdebug): New extern function.
1112         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1113         sections, and uncompress them.
1114         * internal.h (backtrace_compress_zdebug): Declare.
1115         * ztest.c: New file.
1116         * configure.ac: Check for -lz and check whether the linker
1117         supports --compress-debug-sections.
1118         * Makefile.am (ztest_SOURCES): New variable.
1119         (ztest_CFLAGS, ztest_LDADD): New variables.
1120         (check_PROGRAMS): Add ztest.
1121         (ctestg_SOURCES): New variable.
1122         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1123         (ctesta_SOURCES): New variable.
1124         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1125         (check_PROGRAMS): Add ctestg and ctesta.
1126         * configure, config.h.in, Makefile.in: Rebuild.
1127
1128 2017-09-22  Ian Lance Taylor  <iant@golang.org>
1129
1130         PR sanitizer/77631
1131         * configure.ac: Check for lstat and readlink.
1132         * elf.c (lstat, readlink): Provide dummy versions if real versions
1133         are not available.
1134         * configure, config.h.in: Rebuild.
1135
1136 2017-09-21  Ian Lance Taylor  <iant@google.com>
1137
1138         PR go/82284
1139         * elf.c (backtrace_initialize): Set pd.exe_filename.
1140
1141 2017-09-20  Ian Lance Taylor  <iant@golang.org>
1142             Denis Khalikov  <d.khalikov@partner.samsung.com>
1143
1144         PR sanitizer/77631
1145         Support for external debug info.
1146         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1147         (S_ISLNK): Define if not defined.
1148         (xstrnlen): Define if strnlen is not available.
1149         (b_elf_note): Define type.
1150         (NT_GNU_BUILD_ID): Define macro.
1151         (elf_crc32, elf_crc32_file): New static functions.
1152         (elf_is_symlink, elf_readlink): New static functions.
1153         (elf_open_debugfile_by_buildid): New static function.
1154         (elf_try_debugfile): New static function.
1155         (elf_find_debugfile_by_debuglink): New static function.
1156         (elf_open_debugfile_by_debuglink): New static function.
1157         (elf_add): Add filename and debuginfo parameters.  Adjust all
1158         callers.  Look for external debug info notes, and try to fetch
1159         debug info from external file.
1160         (struct phdr_data): Add exe_filename field.
1161         (phdr_callback): Pass filename to elf_add.
1162         (backtrace_initialize): Add filename parameter.
1163         * internal.h (backtrace_initialize): Add filename parameter.
1164         * fileline.c (fileline_initialize): Pass filename to
1165         backtrace_initialize.
1166         * pecoff.c (fileline_initialize): Add unused filename parameter.
1167         * unknown.c (fileline_initialize): Likewise.
1168         * xcoff.c (fileline_initialize): Likewise.
1169         * configure.ac: Check for objcopy --add-gnu-debuglink.
1170         * Makefile.am (dtest): New test target.
1171         * configure, Makefile.in: Rebuild.
1172
1173 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
1174
1175         PR other/81096
1176         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1177         * Makefile.in: Regenerate.
1178
1179 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
1180
1181         PR other/81096
1182         * libbacktrace/Makefile.in
1183         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1184
1185 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
1186
1187         PR bootstrap/81638
1188         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1189
1190 2017-07-28  Tony Reix  <tony.reix@atos.net>
1191
1192         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1193
1194 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1195
1196         * fileline.c (fileline_initialize): Print pid_t as long.
1197
1198 2017-07-26  Tony Reix  <tony.reix@atos.net>
1199
1200         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
1201         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1202         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1203         * configure, config.h.in: Regenerate.
1204
1205 2017-07-21  Tony Reix  <tony.reix@atos.net>
1206
1207         * filetype.awk: Add AIX XCOFF type detection.
1208         * configure.ac: Recognize xcoff format.
1209         * Makefile.am (FORMAT_FILES): Add xcoff.c.
1210         * fileline.c: Include <unistd.h>.
1211         (fileline_initialize): Add case for AIX procfs.
1212         * xcoff.c: New file.
1213         * configure, Makefile.in: Rebuild.
1214
1215 2017-06-21  Richard Biener  <rguenther@suse.de>
1216
1217         * configure.ac: Add AC_SYS_LARGEFILE.
1218         * config.h.in: Regenerate.
1219         * configure: Likewise.
1220
1221 2017-06-11  Ian Lance Taylor  <iant@golang.org>
1222
1223         * elf.c (backtrace_initialize): Always set *fileline_fn.
1224         * ttest.c: New file.
1225         * btest.c: Move support functions into testlib.c.  Change calls to
1226         check to pass file name.
1227         * testlib.c: New file, copied from (part of) btest.c.
1228         * testlib.h: New file, declarations for testlib.c.
1229         * edtest.c: Use testlib.h and testlib.c.
1230         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1231         * Makefile.am (btest_SOURCES): Add testlib.c.
1232         (edtest_SOURCES): Likewise.
1233         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1234         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1235         * configure, Makefile.in: Rebuild.
1236
1237 2017-05-19  Than McIntosh  <thanm@google.com>
1238
1239         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1240         (read_line_header): Don't allocate dirs if dirs_count == 0.
1241         * edtest.c: New file.
1242         * edtest2.c: New file.
1243         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1244         (check_PROGRAMS): Add edtest.
1245         (edtest2_build.c, gen_edtest2_build): New targets.
1246         * Makefile.in: Rebuild.
1247
1248 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
1249
1250         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1251         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1252
1253 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
1254
1255         Update copyright years.
1256
1257 2016-11-15  Matthias Klose  <doko@ubuntu.com>
1258
1259         * configure: Regenerate.
1260
1261 2016-09-11  Carlos Liam  <carlos@aarzee.me>
1262
1263         * all: Remove meaningless trailing whitespace.
1264
1265 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1266
1267         PR target/71161
1268         * elf.c (phdr_callback) [__i386__]: Add
1269         __attribute__((__force_align_arg_pointer__)).
1270
1271 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
1272
1273         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1274         avoid possible crash.
1275         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1276         missing debug info anymore.
1277
1278 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
1279
1280         * mmap.c (MAP_FAILED): Define if not defined.
1281
1282 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
1283
1284         Update copyright years.
1285
1286 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
1287
1288         * configure.ac: Specify that DJGPP do not have mmap
1289         even when sys/mman.h exists.
1290         * configure: Regenerate
1291
1292 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
1293
1294         PR libgfortran/68115
1295         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1296         * configure: Regenerate.
1297         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1298         to void.
1299
1300 2015-09-17  Ian Lance Taylor  <iant@google.com>
1301
1302         * posix.c (backtrace_open): Cast second argument of open() to int.
1303
1304 2015-09-11  Ian Lance Taylor  <iant@google.com>
1305
1306         * Makefile.am (backtrace.lo): Depend on internal.h.
1307         (sort.lo, stest.lo): Add explicit dependencies.
1308         * Makefile.in: Rebuild.
1309
1310 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
1311
1312         * backtrace.c: #include <sys/types.h>.
1313
1314 2015-09-08  Ian Lance Taylor  <iant@google.com>
1315
1316         PR other/67457
1317         * backtrace.c: #include "internal.h".
1318         (struct backtrace_data): Add can_alloc field.
1319         (unwind): If can_alloc is false, don't try to get file/line
1320         information.
1321         (backtrace_full): Set can_alloc field in bdata.
1322         * alloc.c (backtrace_alloc): Don't call error_callback if it is
1323         NULL.
1324         * mmap.c (backtrace_alloc): Likewise.
1325         * internal.h: Update comments for backtrace_alloc and
1326         backtrace_free.
1327
1328 2015-09-08  Ian Lance Taylor  <iant@google.com>
1329
1330         PR other/67457
1331         * mmap.c (backtrace_alloc): Correct test for mmap failure.
1332
1333 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1334
1335         * configure.ac: For spu-*-* targets, set have_fcntl to no.
1336         * configure: Regenerate.
1337
1338 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1339
1340         * configure.ac: Remove [disable-shared] argument to LT_INIT.
1341         Remove setting PIC_FLAG when building as target library.
1342         * configure: Regenerate.
1343
1344 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
1345
1346         * configure.ac: Only compile with -fPIC if the target
1347         supports it.
1348         * configure: Regenerate.
1349
1350 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1351
1352         * configure.ac: Set have_mmap to no on spu-*-* targets.
1353         * configure: Regenerate.
1354
1355 2015-08-13  Ian Lance Taylor  <iant@google.com>
1356
1357         * dwarf.c (read_function_entry): Add vec_inlined parameter.
1358         Change all callers.
1359
1360 2015-06-11  Martin Sebor  <msebor@redhat.com>
1361
1362         PR sanitizer/65479
1363         * dwarf.c (struct line): Add new field idx.
1364         (line_compare): Use it.
1365         (add_line): Set it.
1366         (read_line_info): Reset it.
1367
1368 2015-05-29  Tristan Gingold  <gingold@adacore.com>
1369
1370         * pecoff.c: New file.
1371         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1372         * Makefile.in: Regenerate.
1373         * filetype.awk: Detect pecoff.
1374         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1375         Add pecoff.
1376         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1377         true.
1378         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1379         * configure: Regenerate.
1380         * pecoff.c: New file.
1381
1382 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
1383
1384         * Makefile.in: Regenerated with automake-1.11.6.
1385         * aclocal.m4: Likewise.
1386         * configure: Likewise.
1387
1388 2015-01-24  Matthias Klose  <doko@ubuntu.com>
1389
1390         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1391         * configure: Regenerate.
1392
1393 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
1394
1395         Update copyright years.
1396
1397 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1398
1399         PR bootstrap/63784
1400         * configure: Regenerated.
1401
1402 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
1403
1404         * ChangeLog.jit: New.
1405
1406 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1407
1408         PR target/63610
1409         * configure: Regenerate.
1410
1411 2014-10-23  Ian Lance Taylor  <iant@google.com>
1412
1413         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1414         Fix to return void *.
1415
1416 2014-05-08  Ian Lance Taylor  <iant@google.com>
1417
1418         * mmap.c (backtrace_free): If freeing a large aligned block of
1419         memory, call munmap rather than holding onto it.
1420         (backtrace_vector_grow): When growing a vector, double the number
1421         of pages requested.  When releasing the old version of a grown
1422         vector, pass the correct size to backtrace_free.
1423
1424 2014-03-07  Ian Lance Taylor  <iant@google.com>
1425
1426         * sort.c (backtrace_qsort): Use middle element as pivot.
1427
1428 2014-03-06  Ian Lance Taylor  <iant@google.com>
1429
1430         * sort.c: New file.
1431         * stest.c: New file.
1432         * internal.h (backtrace_qsort): Declare.
1433         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1434         (read_line_info, read_function_entry): Likewise.
1435         (read_function_info, build_dwarf_data): Likewise.
1436         * elf.c (elf_initialize_syminfo): Likewise.
1437         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1438         (stest_SOURCES, stest_LDADD): Define.
1439         (check_PROGRAMS): Add stest.
1440
1441 2014-02-07  Misty De Meo  <misty@brew.sh>
1442
1443         PR target/58710
1444         * configure.ac: Use AC_LINK_IFELSE in check for
1445         _Unwind_GetIPInfo.
1446         * configure: Regenerate.
1447
1448 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1449
1450         Update copyright years
1451
1452 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
1453
1454         * elf.c (ET_DYN): Undefine and define again.
1455         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1456         return early -1 without closing the descriptor.
1457         (struct phdr_data): Add exe_descriptor.
1458         (phdr_callback): If pd->exe_descriptor is not -1, for very first
1459         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1460         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
1461         call to elf_add.
1462         (backtrace_initialize): Adjust call to elf_add.  If it returns
1463         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1464
1465 2013-12-05  Ian Lance Taylor  <iant@google.com>
1466
1467         * alloc.c (backtrace_vector_finish): Add error_callback and data
1468         parameters.  Call backtrace_vector_release.  Return address base.
1469         * mmap.c (backtrace_vector_finish): Add error_callback and data
1470         parameters.  Return address base.
1471         * dwarf.c (read_function_info): Get new address base from
1472         backtrace_vector_finish.
1473         * internal.h (backtrace_vector_finish): Update declaration.
1474
1475 2013-11-27  Ian Lance Taylor  <iant@google.com>
1476
1477         * dwarf.c (find_address_ranges): New static function, broken out
1478         of build_address_map.
1479         (build_address_map): Call it.
1480         * btest.c (check): Check for missing filename or function, rather
1481         than crashing.
1482         (f3): Check that enough frames were returned.
1483
1484 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
1485
1486         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1487         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1488         last argument.
1489         * btest.c (struct symdata): Add size field.
1490         (callback_three): Add symsize argument.  Copy it to the data->size
1491         field.
1492         (f23): Set symdata.size to 0.
1493         (test5): Likewise.  If sizeof (int) > 1, lookup address of
1494         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
1495         values.
1496
1497         * atomic.c: Include sys/types.h.
1498
1499 2013-11-18  Ian Lance Taylor  <iant@google.com>
1500
1501         * configure.ac: Check for support of __atomic extensions.
1502         * internal.h: Declare or #define atomic functions for use in
1503         backtrace code.
1504         * atomic.c: New file.
1505         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1506         (dwarf_fileline, backtrace_dwarf_add): Likewise.
1507         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1508         (backtrace_initialize): Likewise.
1509         * fileline.c (fileline_initialize): Likewise.
1510         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1511         * configure, config.h.in, Makefile.in: Rebuild.
1512
1513 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1514
1515         * elf.c (SHN_UNDEF): Define.
1516         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1517         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1518         (elf_add): Adjust caller.
1519
1520         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1521
1522 2013-11-16  Ian Lance Taylor  <iant@google.com>
1523
1524         * backtrace.h (backtrace_create_state): Correct comment about
1525         threading.
1526
1527 2013-11-15  Ian Lance Taylor  <iant@google.com>
1528
1529         * backtrace.h (backtrace_syminfo): Update comment and parameter
1530         name to take any address, not just a PC value.
1531         * elf.c (STT_OBJECT): Define.
1532         (elf_nosyms): Rename parameter pc to addr.
1533         (elf_symbol_search): Rename local variable pc to addr.
1534         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1535         (elf_syminfo): Rename parameter pc to addr.
1536         * btest.c (global): New global variable.
1537         (test5): New test.
1538         (main): Call test5.
1539
1540 2013-10-17  Ian Lance Taylor  <iant@google.com>
1541
1542         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1543         is missing.
1544
1545 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1546
1547         * configure.ac: Add --enable-host-shared, setting up
1548         pre-existing PIC_FLAG variable within Makefile.am et al.
1549         * configure: Regenerate.
1550
1551 2013-09-20  Alan Modra  <amodra@gmail.com>
1552
1553         * configure: Regenerate.
1554
1555 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1556
1557         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1558
1559 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1560
1561         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1562         dl_iterate_phdr callbacks.
1563
1564 2013-03-25  Ian Lance Taylor  <iant@google.com>
1565
1566         * alloc.c: #include <sys/types.h>.
1567         * mmap.c: Likewise.
1568
1569 2013-01-31  Ian Lance Taylor  <iant@google.com>
1570
1571         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1572         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1573
1574 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR other/56076
1577         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1578         attribute was not seen.
1579
1580 2013-01-16  Ian Lance Taylor  <iant@google.com>
1581
1582         * dwarf.c (struct unit): Add filename and abs_filename fields.
1583         (build_address_map): Set new fields when reading unit.
1584         (dwarf_lookup_pc): If we don't find an entry in the line table,
1585         just return the main file name.
1586
1587 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1588
1589         Update copyright years.
1590
1591 2013-01-01  Ian Lance Taylor  <iant@google.com>
1592
1593         PR bootstrap/54834
1594         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1595         $(MULTIBUILDTOP)/../../gcc/include.
1596         * Makefile.in: Rebuild.
1597
1598 2013-01-01  Ian Lance Taylor  <iant@google.com>
1599
1600         PR other/55536
1601         * mmap.c (backtrace_alloc): Don't call sync functions if not
1602         threaded.
1603         (backtrace_free): Likewise.
1604
1605 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1606
1607         * mmapio.c: Define MAP_FAILED if not defined.
1608
1609 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1610
1611         PR bootstrap/54926
1612         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1613         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1614         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1615         accepts it.
1616         * Makefile.in: Regenerated.
1617         * configure: Regenerated.
1618
1619 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR bootstrap/54926
1622         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1623         * Makefile.in: Regenerated.
1624
1625 2012-11-20  Ian Lance Taylor  <iant@google.com>
1626
1627         * dwarf.c (read_attribute): Always clear val.
1628
1629 2012-11-13  Ian Lance Taylor  <iant@google.com>
1630
1631         PR other/55312
1632         * configure.ac: Only add -Werror if building a target library.
1633         * configure: Rebuild.
1634
1635 2012-11-12  Ian Lance Taylor  <iant@google.com>
1636             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1637             Gerald Pfeifer  <gerald@pfeifer.com>
1638
1639         * configure.ac: Check for getexecname.
1640         * fileline.c: #include <errno.h>.  Define getexecname if not
1641         available.
1642         (fileline_initialize): Try to find the executable in a few
1643         different ways.
1644         * print.c (error_callback): Only print the filename if it came
1645         from the backtrace state.
1646         * configure, config.h.in: Rebuild.
1647
1648 2012-10-29  Ian Lance Taylor  <iant@google.com>
1649
1650         * mmap.c (backtrace_vector_release): Correct last patch: add
1651         aligned, not size.
1652
1653 2012-10-29  Ian Lance Taylor  <iant@google.com>
1654
1655         * mmap.c (backtrace_vector_release): Make sure freed block is
1656         aligned on 8-byte boundary.
1657
1658 2012-10-26  Ian Lance Taylor  <iant@google.com>
1659
1660         PR other/55087
1661         * posix.c (backtrace_open): Add does_not_exist parameter.
1662         * elf.c (phdr_callback): Do not warn if shared library could not
1663         be opened.
1664         * fileline.c (fileline_initialize): Update calls to
1665         backtrace_open.
1666         * internal.h (backtrace_open): Update declaration.
1667
1668 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1669
1670         PR target/55061
1671         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1672         * configure: Regenerate.
1673
1674 2012-10-24  Ian Lance Taylor  <iant@google.com>
1675
1676         PR target/55061
1677         * configure.ac: Check whether -funwind-tables option works.
1678         * configure: Rebuild.
1679
1680 2012-10-11  Ian Lance Taylor  <iant@google.com>
1681
1682         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1683         * configure: Rebuild.
1684
1685 2012-10-10  Ian Lance Taylor  <iant@google.com>
1686
1687         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1688         lower case.
1689
1690 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1691
1692         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1693
1694 2012-10-09  Ian Lance Taylor  <iant@google.com>
1695
1696         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1697         (backtrace_dwarf_add): Likewise.
1698
1699 2012-10-09  Ian Lance Taylor  <iant@google.com>
1700
1701         Add support for tracing through shared libraries.
1702         * configure.ac: Check for link.h and dl_iterate_phdr.
1703         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1704         ELF macros before #defining them.
1705         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1706         dl_iterate_phdr.
1707         (struct elf_syminfo_data): Add next field.
1708         (elf_initialize_syminfo): Initialize next field.
1709         (elf_add_syminfo_data): New static function.
1710         (elf_add): New static function, broken out of
1711         backtrace_initialize.  Call backtrace_dwarf_add instead of
1712         backtrace_dwarf_initialize.
1713         (struct phdr_data): Define.
1714         (phdr_callback): New static function.
1715         (backtrace_initialize): Call elf_add.
1716         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1717         (add_unit_addr): Add base_address parameter.  Change all callers.
1718         (add_unit_ranges, build_address_map): Likewise.
1719         (add_line): Add ddata parameter.  Change all callers.
1720         (read_line_program, add_function_range): Likewise.
1721         (dwarf_lookup_pc): New static function, broken out of
1722         dwarf_fileline.
1723         (dwarf_fileline): Call dwarf_lookup_pc.
1724         (build_dwarf_data): New static function.
1725         (backtrace_dwarf_add): New function.
1726         (backtrace_dwarf_initialize): Remove.
1727         * internal.h (backtrace_dwarf_initialize): Don't declare.
1728         (backtrace_dwarf_add): Declare.
1729         * configure, config.h.in: Rebuild.
1730
1731 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1732
1733         * btest.c (f23): Avoid uninitialized variable warning.
1734
1735 2012-10-04  Ian Lance Taylor  <iant@google.com>
1736
1737         * dwarf.c: If the system header files do not declare strnlen,
1738         provide our own version.
1739
1740 2012-10-03  Ian Lance Taylor  <iant@google.com>
1741
1742         * dwarf.c (read_uleb128): Fix overflow test.
1743         (read_sleb128): Likewise.
1744         (build_address_map): Don't change unit_buf.start.
1745
1746 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1747
1748         PR other/54761
1749         * configure.ac (EXTRA_FLAGS): New.
1750         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1751         * configure, Makefile.in: Regenerate.
1752
1753 2012-09-29  Ian Lance Taylor  <iant@google.com>
1754
1755         PR other/54749
1756         * fileline.c (fileline_initialize): Pass errnum as -1 when
1757         reporting that we could not read executable information after a
1758         previous failure.
1759
1760 2012-09-27  Ian Lance Taylor  <iant@google.com>
1761
1762         PR bootstrap/54732
1763         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1764         * Makefile.am: Add dependencies for all objects.
1765         * configure, aclocal.m4, Makefile.in: Rebuild.
1766
1767 2012-09-27  Ian Lance Taylor  <iant@google.com>
1768
1769         PR other/54726
1770         * elf.c (backtrace_initialize): Set *fileln_fn, not
1771         state->fileln_fn.
1772
1773 2012-09-19  Ian Lance Taylor  <iant@google.com>
1774
1775         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1776         as a target library.
1777         * configure: Rebuild.
1778
1779 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1780             Ian Lance Taylor  <iant@google.com>
1781
1782         * configure.ac (GCC_HEADER_STDINT): Invoke.
1783         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1784         * btest.c: Don't include <stdint.h>.
1785         * dwarf.c: Likewise.
1786         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1787
1788 2012-09-18  Ian Lance Taylor  <iant@google.com>
1789
1790         PR bootstrap/54623
1791         * Makefile.am (AM_CPPFLAGS): Define.
1792         (AM_CFLAGS): Remove -I options.
1793         * Makefile.in: Rebuild.
1794
1795 2012-09-18  Ian Lance Taylor  <iant@google.com>
1796
1797         * posix.c (O_BINARY): Define if not defined.
1798         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1799         HAVE_FCNTL is defined.
1800         * configure.ac: Test for the fcntl function.
1801         * configure, config.h.in: Rebuild.
1802
1803 2012-09-18  Ian Lance Taylor  <iant@google.com>
1804
1805         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1806
1807 2012-09-18  Ian Lance Taylor  <iant@google.com>
1808
1809         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1810
1811 2012-09-18  Ian Lance Taylor  <iant@google.com>
1812
1813         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1814         * mmapio.c: Don't define _GNU_SOURCE.
1815         * configure, config.h.in: Rebuild.
1816
1817 2012-09-18  Ian Lance Taylor  <iant@google.com>
1818
1819         * configure.ac: Check whether strnlen is declared.
1820         * dwarf.c: Declare strnlen if not declared.
1821         * configure, config.h.in: Rebuild.
1822
1823 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1824
1825         * fileline.c: Include <stdlib.h>.
1826         * mmap.c: Likewise.
1827
1828 2012-09-17  Ian Lance Taylor  <iant@google.com>
1829
1830         PR bootstrap/54611
1831         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1832         parameter.
1833
1834 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1835
1836         PR bootstrap/54611
1837         * nounwind.c (backtrace_simple): Add state parameter.
1838
1839 2012-09-17  Ian Lance Taylor  <iant@google.com>
1840
1841         PR bootstrap/54609
1842         * unknown.c (unknown_fileline): Add state parameter, remove
1843         fileline_data parameter, name error_callback parameter.
1844         (backtrace_initialize): Add state parameter.
1845
1846 2012-09-17  Ian Lance Taylor  <iant@google.com>
1847
1848         * Initial implementation.
1849 \f
1850 Copyright (C) 2012-2022 Free Software Foundation, Inc.
1851
1852 Copying and distribution of this file, with or without modification,
1853 are permitted in any medium without royalty provided the copyright
1854 notice and this notice are preserved.