libbacktrace/ChangeLog

   1 2019-01-17  Tom de Vries  <tdevries@suse.de>
   2
   3         PR libbacktrace/82857
   4         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
   5         (read_attribute): Handle DW_FORM_GNU_ref_alt using
   6         ATTR_VAL_REF_ALT_INFO.
   7         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
   8
   9 2019-01-17  Tom de Vries  <tdevries@suse.de>
  10
  11         * dwarf.c (struct unit): Add low_offset and high_offset fields.
  12         (struct unit_vector): New type.
  13         (struct dwarf_data): Add units and units_counts fields.
  14         (find_unit): New function.
  15         (find_address_ranges): Add and handle unit_tag parameter.
  16         (build_address_map): Add and handle units_vec parameter.
  17         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
  18         units vector.
  19
  20 2019-01-17  Tom de Vries  <tdevries@suse.de>
  21
  22         PR libbacktrace/82857
  23         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
  24         using altlink.
  25
  26 2019-01-17  Tom de Vries  <tdevries@suse.de>
  27
  28         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
  29         (read_attribute): Add altlink parameter.  Handle missing altlink for
  30         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
  31         (find_address_ranges, build_address_map, build_dwarf_data): Add and
  32         handle altlink parameter.
  33         (read_referenced_name, read_function_entry): Add argument to
  34         read_attribute call.
  35
  36 2019-01-17  Tom de Vries  <tdevries@suse.de>
  37
  38         * dwarf.c (struct dwarf_data): Add altlink field.
  39         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
  40         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
  41         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
  42         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
  43         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
  44         * xcoff.c (xcoff_add): Same.
  45
  46 2019-01-17  Tom de Vries  <tdevries@suse.de>
  47
  48         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
  49         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
  50         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
  51         argument to backtrace_dwarf_add call.
  52         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
  53         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
  54         * xcoff.c (xcoff_add): Same.
  55
  56 2019-01-17  Tom de Vries  <tdevries@suse.de>
  57
  58         * elf.c (elf_add): Add and handle with_buildid_data and
  59         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
  60         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
  61
  62 2019-01-16  Tom de Vries  <tdevries@suse.de>
  63
  64         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
  65         of ...
  66         (read_referenced_name): ... here, and ...
  67         (read_function_entry): ... here.
  68
  69 2019-01-16  Tom de Vries  <tdevries@suse.de>
  70
  71         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
  72         name.
  73         (read_function_entry): Same.  Don't allow name found via
  74         DW_AT_abstract_origin or case DW_AT_specification to override linkage
  75         name.
  76
  77 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
  78
  79         PR other/16615
  80
  81         * backtrace.h: Mechanically replace "can not" with "cannot".
  82
  83 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  84
  85         Update copyright years.
  86
  87 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
  88
  89         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
  90         in sed pattern.
  91         * Makefile.in: Regenerate.
  92
  93 2018-12-28  Tom de Vries  <tdevries@suse.de>
  94
  95         * dwarf.c (build_address_map): Reuse unused units.
  96
  97 2018-12-28  Tom de Vries  <tdevries@suse.de>
  98
  99         * dwarf.c (build_address_map): Simplify by removing local variable
 100         abbrevs.
 101
 102 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 103             Tom de Vries  <tdevries@suse.de>
 104
 105         PR libbacktrace/88063
 106         * dwarf.c (free_unit_addrs_vector): Remove.
 107         (build_address_map): Keep track of allocated units in vector.  Free
 108         allocated units and corresponding abbrevs upon failure.  Remove now
 109         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 110         failure.  Free allocated unit vector.
 111
 112 2018-12-28  Tom de Vries  <tdevries@suse.de>
 113
 114         * dwarf.c (build_address_map): Free addrs vector upon failure.
 115
 116 2018-12-14  Tom de Vries  <tdevries@suse.de>
 117
 118         PR testsuite/88491
 119         * allocfail.sh: Remove "set -o pipefail".
 120
 121 2018-12-12  Tom de Vries  <tdevries@suse.de>
 122
 123         * Makefile.am (TESTS): Add allocfail.sh.
 124         (check_PROGRAMS): Add allocfail.
 125         * Makefile.in: Regenerate.
 126         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 127         Include alloc.c.
 128         * allocfail.c: New file.
 129         * allocfail.sh: New file.
 130
 131 2018-11-30  Tom de Vries  <tdevries@suse.de>
 132
 133         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 134         test_xcoff_64, test_pecoff and test_unknown.
 135         * Makefile.in: Regenerate.
 136         * test_format.c: New file.
 137
 138 2018-11-30  Tom de Vries  <tdevries@suse.de>
 139
 140         * Makefile.am : Add _with_alloc version for each test in
 141         check_PROGRAMS.
 142         * Makefile.in: Regenerate.
 143
 144 2018-11-30  Tom de Vries  <tdevries@suse.de>
 145
 146         * internal.h (backtrace_vector_free): New static inline fuction,
 147         factored out of ...
 148         * dwarf.c (read_line_info): ... here.
 149
 150 2018-11-28  Tom de Vries  <tdevries@suse.de>
 151
 152         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 153         failure.
 154
 155 2018-11-27  Tom de Vries  <tdevries@suse.de>
 156
 157         * mmap.c (backtrace_vector_release): Same.
 158         * unittest.c (test1): Add check.
 159
 160 2018-11-27  Tom de Vries  <tdevries@suse.de>
 161
 162         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 163         instead of realloc.
 164         * Makefile.am (check_PROGRAMS): Add unittest.
 165         * Makefile.in: Regenerate.
 166         * unittest.c: New file.
 167
 168 2018-11-22  Tom de Vries  <tdevries@suse.de>
 169
 170         * dwarf.c (read_initial_length): Factor out of ...
 171         (build_address_map, read_line_info): ... here.
 172
 173 2018-11-21  Tom de Vries  <tdevries@suse.de>
 174
 175         * dwarf.c (read_string): Factor out of ...
 176         (read_attribute, read_line_header, read_line_program): ... here.
 177
 178 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 179
 180         PR bootstrap/82856
 181         * Makefile.am: Include multilib.am.
 182         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 183         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 184
 185 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 186
 187         PR libbacktrace/87529
 188         * backtrace.h: Document that backtrace_create_state should be
 189         called only once.
 190
 191 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 192
 193         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 194         * Makefile.in: Regenerate.
 195         * config.h.in: Likewise.
 196         * configure: Likewise.
 197
 198 2018-08-01  Tony Reix  <tony.reix@atos.net>
 199
 200         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 201         (struct xcoff_func, struct xcoff_func_vector): New structs.
 202         (xcoff_syminfo): Drop leading dot from symbol name.
 203         (xcoff_line_compare, xcoff_line_search): Remove.
 204         (xcoff_func_compare, xcoff_func_search): New static functions.
 205         (xcoff_lookup_pc): Search function table.
 206         (xcoff_add_line, xcoff_process_linenos): Remove.
 207         (xcoff_initialize_fileline): Build function table.
 208
 209 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 210
 211         PR other/86198
 212         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 213         checking up to 36 bytes.
 214
 215 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 216
 217         * configure: Regenerated.
 218
 219 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 220
 221         * configure: Regenerated.
 222
 223 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 224
 225         * backtrace.c: Revert last two changes.  Don't call mmap
 226         directly.
 227
 228 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 229
 230         * backtrace.c: Include backtrace-supported.h before checking
 231         BACKTRACE_USES_MALLOC.
 232
 233 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 234
 235         * backtrace.c (backtrace_full): When testing whether we can
 236         allocate memory, call mmap directly, and munmap the memory.
 237
 238 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 239
 240         PR other/85161
 241         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 242         big endian, only use 32-bit loads if endianity macros are predefined
 243         and indicate big or little endian.
 244
 245 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 246
 247         PR target/84148
 248         * configure: Regenerate.
 249
 250 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 251
 252         PR other/82368
 253         * elf.c (SHT_PROGBITS): Undefine and define.
 254
 255 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 256
 257         PR other/82368
 258         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 259         (struct elf_ppc64_opd_data): New type.
 260         (elf_initialize_syminfo): Add opd argument, handle symbols
 261         pointing into the PowerPC64 ELFv1 .opd section.
 262         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 263         to structure with .opd data to elf_initialize_syminfo.
 264
 265 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 266
 267         * elf.c (elf_add): Close descriptor if we use a debugfile.
 268         * btest.c (check_open_files): New static function.
 269         (main): Call check_open_files.
 270
 271 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 272
 273         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 274         desired CRC is zero.
 275         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 276
 277 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 278
 279         * pecoff.c (coff_add): Only release syms_view if it is valid.
 280
 281 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 282
 283         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 284
 285 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 286
 287         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 288
 289 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 290
 291         PR other/68239
 292         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 293         on the free list.
 294
 295 2018-01-19  Tony Reix  <tony.reix@atos.net>
 296
 297         * xcoff.c (xcoff_incl_compare): New function.
 298         (xcoff_incl_search): New function.
 299         (xcoff_process_linenos): Use bsearch to find include file.
 300         (xcoff_initialize_fileline): Sort include file information.
 301
 302 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 303
 304         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 305         288.
 306         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 307         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 308         (elf_zlib_default_table): Update.
 309         (elf_zlib_default_dist_table): New static array.
 310         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 311         for block type 1.
 312         * ztest.c (struct zlib_test): Add uncompressed_len.
 313         (tests): Initialize uncompressed_len field.  Add new test case.
 314         (test_samples): Use uncompressed_len field.
 315
 316 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 317
 318         Update copyright years.
 319
 320 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 321
 322         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 323         * aclocal.m4: Regenerate.
 324         * Makefile.in: Likewise.
 325         * configure: Likewise.
 326
 327 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 328
 329         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 330         zlib uncompress function.
 331
 332 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 333
 334         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 335         Read a four byte integer.
 336         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 337         boundary before ever calling elf_zlib_fetch.
 338         * ztest.c (test_large): Simplify print statements a bit.
 339
 340 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 341
 342         * ztest.c: #include <errno.h>.
 343         (TEST_TIMING): Don't define, don't test.
 344         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 345         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 346         (ZLIB_CLOCK_GETTIME_ARG): Define.
 347         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 348         * Makefile.am: Likewise.
 349         * configure, Makefile.in: Rebuild.
 350
 351 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 352
 353         PR other/67165
 354         * Makefile.am: Append the content of clock_gettime_link to
 355         ztest_LDADD.
 356         * configure.ac: Test for the case that clock_gettime is in librt.
 357         * Makefile.in: Regenerate.
 358         * configure: Likewise.
 359
 360         PR other/67165
 361         * configure.ac: Check for clock_gettime.
 362         * config.h.in: Regenerate.
 363         * configure: Likewise.
 364         * ztest.c (average_time, test_large): Conditionalize test timing
 365         on clock_gettime availability.
 366
 367 2017-09-29  Tony Reix  <tony.reix@atos.net>
 368
 369         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 370         (STYP_DWARF, SSUBTYP_DW*): Define.
 371         (enum dwarf_section): Define.
 372         (struct dwsect_info): Define.
 373         (xcoff_add): Look for DWARF sections, pass them to
 374         backtrace_dwarf_add.
 375
 376 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 377
 378         PR other/67165
 379         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 380         (unlikely): Define.
 381         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 382         (b_elf_chdr): Define type.
 383         (enum debug_section): Add ZDEBUG_xxx values.
 384         (debug_section_names): Add names for new sections.
 385         (struct debug_section_info): Add compressed field.
 386         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 387         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 388         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 389         (HUFFMAN_SECONDARY_SHIFT): Define.
 390         (ZDEBUG_TABLE_SIZE): Define.
 391         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 392         (final_next_secondary): New static variable if
 393         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 394         (elf_zlib_inflate_table): New static function.
 395         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 396         function to produce fixed Huffman table.
 397         (elf_zlib_default_table): New static variable.
 398         (elf_zlib_inflate): New static function.
 399         (elf_zlib_verify_checksum): Likewise.
 400         (elf_zlib_inflate_and_verify): Likewise.
 401         (elf_uncompress_zdebug): Likewise.
 402         (elf_uncompress_chdr): Likewise.
 403         (backtrace_uncompress_zdebug): New extern function.
 404         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 405         sections, and uncompress them.
 406         * internal.h (backtrace_compress_zdebug): Declare.
 407         * ztest.c: New file.
 408         * configure.ac: Check for -lz and check whether the linker
 409         supports --compress-debug-sections.
 410         * Makefile.am (ztest_SOURCES): New variable.
 411         (ztest_CFLAGS, ztest_LDADD): New variables.
 412         (check_PROGRAMS): Add ztest.
 413         (ctestg_SOURCES): New variable.
 414         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 415         (ctesta_SOURCES): New variable.
 416         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 417         (check_PROGRAMS): Add ctestg and ctesta.
 418         * configure, config.h.in, Makefile.in: Rebuild.
 419
 420 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 421
 422         PR sanitizer/77631
 423         * configure.ac: Check for lstat and readlink.
 424         * elf.c (lstat, readlink): Provide dummy versions if real versions
 425         are not available.
 426         * configure, config.h.in: Rebuild.
 427
 428 2017-09-21  Ian Lance Taylor  <iant@google.com>
 429
 430         PR go/82284
 431         * elf.c (backtrace_initialize): Set pd.exe_filename.
 432
 433 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 434             Denis Khalikov  <d.khalikov@partner.samsung.com>
 435
 436         PR sanitizer/77631
 437         Support for external debug info.
 438         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 439         (S_ISLNK): Define if not defined.
 440         (xstrnlen): Define if strnlen is not available.
 441         (b_elf_note): Define type.
 442         (NT_GNU_BUILD_ID): Define macro.
 443         (elf_crc32, elf_crc32_file): New static functions.
 444         (elf_is_symlink, elf_readlink): New static functions.
 445         (elf_open_debugfile_by_buildid): New static function.
 446         (elf_try_debugfile): New static function.
 447         (elf_find_debugfile_by_debuglink): New static function.
 448         (elf_open_debugfile_by_debuglink): New static function.
 449         (elf_add): Add filename and debuginfo parameters.  Adjust all
 450         callers.  Look for external debug info notes, and try to fetch
 451         debug info from external file.
 452         (struct phdr_data): Add exe_filename field.
 453         (phdr_callback): Pass filename to elf_add.
 454         (backtrace_initialize): Add filename parameter.
 455         * internal.h (backtrace_initialize): Add filename parameter.
 456         * fileline.c (fileline_initialize): Pass filename to
 457         backtrace_initialize.
 458         * pecoff.c (fileline_initialize): Add unused filename parameter.
 459         * unknown.c (fileline_initialize): Likewise.
 460         * xcoff.c (fileline_initialize): Likewise.
 461         * configure.ac: Check for objcopy --add-gnu-debuglink.
 462         * Makefile.am (dtest): New test target.
 463         * configure, Makefile.in: Rebuild.
 464
 465 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 466
 467         PR other/81096
 468         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 469         * Makefile.in: Regenerate.
 470
 471 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 472
 473         PR other/81096
 474         * libbacktrace/Makefile.in
 475         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 476
 477 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 478
 479         PR bootstrap/81638
 480         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 481
 482 2017-07-28  Tony Reix  <tony.reix@atos.net>
 483
 484         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 485
 486 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 487
 488         * fileline.c (fileline_initialize): Print pid_t as long.
 489
 490 2017-07-26  Tony Reix  <tony.reix@atos.net>
 491
 492         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 493         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 494         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 495         * configure, config.h.in: Regenerate.
 496
 497 2017-07-21  Tony Reix  <tony.reix@atos.net>
 498
 499         * filetype.awk: Add AIX XCOFF type detection.
 500         * configure.ac: Recognize xcoff format.
 501         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 502         * fileline.c: Include <unistd.h>.
 503         (fileline_initialize): Add case for AIX procfs.
 504         * xcoff.c: New file.
 505         * configure, Makefile.in: Rebuild.
 506
 507 2017-06-21  Richard Biener  <rguenther@suse.de>
 508
 509         * configure.ac: Add AC_SYS_LARGEFILE.
 510         * config.h.in: Regenerate.
 511         * configure: Likewise.
 512
 513 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 514
 515         * elf.c (backtrace_initialize): Always set *fileline_fn.
 516         * ttest.c: New file.
 517         * btest.c: Move support functions into testlib.c.  Change calls to
 518         check to pass file name.
 519         * testlib.c: New file, copied from (part of) btest.c.
 520         * testlib.h: New file, declarations for testlib.c.
 521         * edtest.c: Use testlib.h and testlib.c.
 522         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 523         * Makefile.am (btest_SOURCES): Add testlib.c.
 524         (edtest_SOURCES): Likewise.
 525         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 526         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 527         * configure, Makefile.in: Rebuild.
 528
 529 2017-05-19  Than McIntosh  <thanm@google.com>
 530
 531         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 532         (read_line_header): Don't allocate dirs if dirs_count == 0.
 533         * edtest.c: New file.
 534         * edtest2.c: New file.
 535         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 536         (check_PROGRAMS): Add edtest.
 537         (edtest2_build.c, gen_edtest2_build): New targets.
 538         * Makefile.in: Rebuild.
 539
 540 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 541
 542         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 543         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 544
 545 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 546
 547         Update copyright years.
 548
 549 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 550
 551         * configure: Regenerate.
 552
 553 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 554
 555         * all: Remove meaningless trailing whitespace.
 556
 557 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 558
 559         PR target/71161
 560         * elf.c (phdr_callback) [__i386__]: Add
 561         __attribute__((__force_align_arg_pointer__)).
 562
 563 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 564
 565         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 566         avoid possible crash.
 567         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 568         missing debug info anymore.
 569
 570 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 571
 572         * mmap.c (MAP_FAILED): Define if not defined.
 573
 574 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 575
 576         Update copyright years.
 577
 578 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 579
 580         * configure.ac: Specify that DJGPP do not have mmap
 581         even when sys/mman.h exists.
 582         * configure: Regenerate
 583
 584 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 585
 586         PR libgfortran/68115
 587         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 588         * configure: Regenerate.
 589         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 590         to void.
 591
 592 2015-09-17  Ian Lance Taylor  <iant@google.com>
 593
 594         * posix.c (backtrace_open): Cast second argument of open() to int.
 595
 596 2015-09-11  Ian Lance Taylor  <iant@google.com>
 597
 598         * Makefile.am (backtrace.lo): Depend on internal.h.
 599         (sort.lo, stest.lo): Add explicit dependencies.
 600         * Makefile.in: Rebuild.
 601
 602 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 603
 604         * backtrace.c: #include <sys/types.h>.
 605
 606 2015-09-08  Ian Lance Taylor  <iant@google.com>
 607
 608         PR other/67457
 609         * backtrace.c: #include "internal.h".
 610         (struct backtrace_data): Add can_alloc field.
 611         (unwind): If can_alloc is false, don't try to get file/line
 612         information.
 613         (backtrace_full): Set can_alloc field in bdata.
 614         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 615         NULL.
 616         * mmap.c (backtrace_alloc): Likewise.
 617         * internal.h: Update comments for backtrace_alloc and
 618         backtrace_free.
 619
 620 2015-09-08  Ian Lance Taylor  <iant@google.com>
 621
 622         PR other/67457
 623         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 624
 625 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 626
 627         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 628         * configure: Regenerate.
 629
 630 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 631
 632         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 633         Remove setting PIC_FLAG when building as target library.
 634         * configure: Regenerate.
 635
 636 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 637
 638         * configure.ac: Only compile with -fPIC if the target
 639         supports it.
 640         * configure: Regenerate.
 641
 642 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 643
 644         * configure.ac: Set have_mmap to no on spu-*-* targets.
 645         * configure: Regenerate.
 646
 647 2015-08-13  Ian Lance Taylor  <iant@google.com>
 648
 649         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 650         Change all callers.
 651
 652 2015-06-11  Martin Sebor  <msebor@redhat.com>
 653
 654         PR sanitizer/65479
 655         * dwarf.c (struct line): Add new field idx.
 656         (line_compare): Use it.
 657         (add_line): Set it.
 658         (read_line_info): Reset it.
 659
 660 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 661
 662         * pecoff.c: New file.
 663         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 664         * Makefile.in: Regenerate.
 665         * filetype.awk: Detect pecoff.
 666         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 667         Add pecoff.
 668         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 669         true.
 670         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 671         * configure: Regenerate.
 672         * pecoff.c: New file.
 673
 674 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 675
 676         * Makefile.in: Regenerated with automake-1.11.6.
 677         * aclocal.m4: Likewise.
 678         * configure: Likewise.
 679
 680 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 681
 682         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 683         * configure: Regenerate.
 684
 685 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 686
 687         Update copyright years.
 688
 689 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 690
 691         PR bootstrap/63784
 692         * configure: Regenerated.
 693
 694 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 695
 696         * ChangeLog.jit: New.
 697
 698 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 699
 700         PR target/63610
 701         * configure: Regenerate.
 702
 703 2014-10-23  Ian Lance Taylor  <iant@google.com>
 704
 705         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 706         Fix to return void *.
 707
 708 2014-05-08  Ian Lance Taylor  <iant@google.com>
 709
 710         * mmap.c (backtrace_free): If freeing a large aligned block of
 711         memory, call munmap rather than holding onto it.
 712         (backtrace_vector_grow): When growing a vector, double the number
 713         of pages requested.  When releasing the old version of a grown
 714         vector, pass the correct size to backtrace_free.
 715
 716 2014-03-07  Ian Lance Taylor  <iant@google.com>
 717
 718         * sort.c (backtrace_qsort): Use middle element as pivot.
 719
 720 2014-03-06  Ian Lance Taylor  <iant@google.com>
 721
 722         * sort.c: New file.
 723         * stest.c: New file.
 724         * internal.h (backtrace_qsort): Declare.
 725         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 726         (read_line_info, read_function_entry): Likewise.
 727         (read_function_info, build_dwarf_data): Likewise.
 728         * elf.c (elf_initialize_syminfo): Likewise.
 729         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 730         (stest_SOURCES, stest_LDADD): Define.
 731         (check_PROGRAMS): Add stest.
 732
 733 2014-02-07  Misty De Meo  <misty@brew.sh>
 734
 735         PR target/58710
 736         * configure.ac: Use AC_LINK_IFELSE in check for
 737         _Unwind_GetIPInfo.
 738         * configure: Regenerate.
 739
 740 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 741
 742         Update copyright years
 743
 744 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 745
 746         * elf.c (ET_DYN): Undefine and define again.
 747         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 748         return early -1 without closing the descriptor.
 749         (struct phdr_data): Add exe_descriptor.
 750         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 751         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 752         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 753         call to elf_add.
 754         (backtrace_initialize): Adjust call to elf_add.  If it returns
 755         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 756
 757 2013-12-05  Ian Lance Taylor  <iant@google.com>
 758
 759         * alloc.c (backtrace_vector_finish): Add error_callback and data
 760         parameters.  Call backtrace_vector_release.  Return address base.
 761         * mmap.c (backtrace_vector_finish): Add error_callback and data
 762         parameters.  Return address base.
 763         * dwarf.c (read_function_info): Get new address base from
 764         backtrace_vector_finish.
 765         * internal.h (backtrace_vector_finish): Update declaration.
 766
 767 2013-11-27  Ian Lance Taylor  <iant@google.com>
 768
 769         * dwarf.c (find_address_ranges): New static function, broken out
 770         of build_address_map.
 771         (build_address_map): Call it.
 772         * btest.c (check): Check for missing filename or function, rather
 773         than crashing.
 774         (f3): Check that enough frames were returned.
 775
 776 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 777
 778         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 779         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 780         last argument.
 781         * btest.c (struct symdata): Add size field.
 782         (callback_three): Add symsize argument.  Copy it to the data->size
 783         field.
 784         (f23): Set symdata.size to 0.
 785         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 786         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 787         values.
 788
 789         * atomic.c: Include sys/types.h.
 790
 791 2013-11-18  Ian Lance Taylor  <iant@google.com>
 792
 793         * configure.ac: Check for support of __atomic extensions.
 794         * internal.h: Declare or #define atomic functions for use in
 795         backtrace code.
 796         * atomic.c: New file.
 797         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 798         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 799         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 800         (backtrace_initialize): Likewise.
 801         * fileline.c (fileline_initialize): Likewise.
 802         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 803         * configure, config.h.in, Makefile.in: Rebuild.
 804
 805 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
 806
 807         * elf.c (SHN_UNDEF): Define.
 808         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
 809         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
 810         (elf_add): Adjust caller.
 811
 812         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
 813
 814 2013-11-16  Ian Lance Taylor  <iant@google.com>
 815
 816         * backtrace.h (backtrace_create_state): Correct comment about
 817         threading.
 818
 819 2013-11-15  Ian Lance Taylor  <iant@google.com>
 820
 821         * backtrace.h (backtrace_syminfo): Update comment and parameter
 822         name to take any address, not just a PC value.
 823         * elf.c (STT_OBJECT): Define.
 824         (elf_nosyms): Rename parameter pc to addr.
 825         (elf_symbol_search): Rename local variable pc to addr.
 826         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
 827         (elf_syminfo): Rename parameter pc to addr.
 828         * btest.c (global): New global variable.
 829         (test5): New test.
 830         (main): Call test5.
 831
 832 2013-10-17  Ian Lance Taylor  <iant@google.com>
 833
 834         * elf.c (elf_add): Don't get the wrong offsets if a debug section
 835         is missing.
 836
 837 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 838
 839         * configure.ac: Add --enable-host-shared, setting up
 840         pre-existing PIC_FLAG variable within Makefile.am et al.
 841         * configure: Regenerate.
 842
 843 2013-09-20  Alan Modra  <amodra@gmail.com>
 844
 845         * configure: Regenerate.
 846
 847 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 848
 849         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
 850
 851 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 852
 853         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
 854         dl_iterate_phdr callbacks.
 855
 856 2013-03-25  Ian Lance Taylor  <iant@google.com>
 857
 858         * alloc.c: #include <sys/types.h>.
 859         * mmap.c: Likewise.
 860
 861 2013-01-31  Ian Lance Taylor  <iant@google.com>
 862
 863         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
 864         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
 865
 866 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
 867
 868         PR other/56076
 869         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
 870         attribute was not seen.
 871
 872 2013-01-16  Ian Lance Taylor  <iant@google.com>
 873
 874         * dwarf.c (struct unit): Add filename and abs_filename fields.
 875         (build_address_map): Set new fields when reading unit.
 876         (dwarf_lookup_pc): If we don't find an entry in the line table,
 877         just return the main file name.
 878
 879 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
 880
 881         Update copyright years.
 882
 883 2013-01-01  Ian Lance Taylor  <iant@google.com>
 884
 885         PR bootstrap/54834
 886         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
 887         $(MULTIBUILDTOP)/../../gcc/include.
 888         * Makefile.in: Rebuild.
 889
 890 2013-01-01  Ian Lance Taylor  <iant@google.com>
 891
 892         PR other/55536
 893         * mmap.c (backtrace_alloc): Don't call sync functions if not
 894         threaded.
 895         (backtrace_free): Likewise.
 896
 897 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 898
 899         * mmapio.c: Define MAP_FAILED if not defined.
 900
 901 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
 902
 903         PR bootstrap/54926
 904         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
 905         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
 906         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
 907         accepts it.
 908         * Makefile.in: Regenerated.
 909         * configure: Regenerated.
 910
 911 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
 912
 913         PR bootstrap/54926
 914         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
 915         * Makefile.in: Regenerated.
 916
 917 2012-11-20  Ian Lance Taylor  <iant@google.com>
 918
 919         * dwarf.c (read_attribute): Always clear val.
 920
 921 2012-11-13  Ian Lance Taylor  <iant@google.com>
 922
 923         PR other/55312
 924         * configure.ac: Only add -Werror if building a target library.
 925         * configure: Rebuild.
 926
 927 2012-11-12  Ian Lance Taylor  <iant@google.com>
 928             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 929             Gerald Pfeifer  <gerald@pfeifer.com>
 930
 931         * configure.ac: Check for getexecname.
 932         * fileline.c: #include <errno.h>.  Define getexecname if not
 933         available.
 934         (fileline_initialize): Try to find the executable in a few
 935         different ways.
 936         * print.c (error_callback): Only print the filename if it came
 937         from the backtrace state.
 938         * configure, config.h.in: Rebuild.
 939
 940 2012-10-29  Ian Lance Taylor  <iant@google.com>
 941
 942         * mmap.c (backtrace_vector_release): Correct last patch: add
 943         aligned, not size.
 944
 945 2012-10-29  Ian Lance Taylor  <iant@google.com>
 946
 947         * mmap.c (backtrace_vector_release): Make sure freed block is
 948         aligned on 8-byte boundary.
 949
 950 2012-10-26  Ian Lance Taylor  <iant@google.com>
 951
 952         PR other/55087
 953         * posix.c (backtrace_open): Add does_not_exist parameter.
 954         * elf.c (phdr_callback): Do not warn if shared library could not
 955         be opened.
 956         * fileline.c (fileline_initialize): Update calls to
 957         backtrace_open.
 958         * internal.h (backtrace_open): Update declaration.
 959
 960 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
 961
 962         PR target/55061
 963         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
 964         * configure: Regenerate.
 965
 966 2012-10-24  Ian Lance Taylor  <iant@google.com>
 967
 968         PR target/55061
 969         * configure.ac: Check whether -funwind-tables option works.
 970         * configure: Rebuild.
 971
 972 2012-10-11  Ian Lance Taylor  <iant@google.com>
 973
 974         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
 975         * configure: Rebuild.
 976
 977 2012-10-10  Ian Lance Taylor  <iant@google.com>
 978
 979         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
 980         lower case.
 981
 982 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
 983
 984         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
 985
 986 2012-10-09  Ian Lance Taylor  <iant@google.com>
 987
 988         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
 989         (backtrace_dwarf_add): Likewise.
 990
 991 2012-10-09  Ian Lance Taylor  <iant@google.com>
 992
 993         Add support for tracing through shared libraries.
 994         * configure.ac: Check for link.h and dl_iterate_phdr.
 995         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
 996         ELF macros before #defining them.
 997         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
 998         dl_iterate_phdr.
 999         (struct elf_syminfo_data): Add next field.
1000         (elf_initialize_syminfo): Initialize next field.
1001         (elf_add_syminfo_data): New static function.
1002         (elf_add): New static function, broken out of
1003         backtrace_initialize.  Call backtrace_dwarf_add instead of
1004         backtrace_dwarf_initialize.
1005         (struct phdr_data): Define.
1006         (phdr_callback): New static function.
1007         (backtrace_initialize): Call elf_add.
1008         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1009         (add_unit_addr): Add base_address parameter.  Change all callers.
1010         (add_unit_ranges, build_address_map): Likewise.
1011         (add_line): Add ddata parameter.  Change all callers.
1012         (read_line_program, add_function_range): Likewise.
1013         (dwarf_lookup_pc): New static function, broken out of
1014         dwarf_fileline.
1015         (dwarf_fileline): Call dwarf_lookup_pc.
1016         (build_dwarf_data): New static function.
1017         (backtrace_dwarf_add): New function.
1018         (backtrace_dwarf_initialize): Remove.
1019         * internal.h (backtrace_dwarf_initialize): Don't declare.
1020         (backtrace_dwarf_add): Declare.
1021         * configure, config.h.in: Rebuild.
1022
1023 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1024
1025         * btest.c (f23): Avoid uninitialized variable warning.
1026
1027 2012-10-04  Ian Lance Taylor  <iant@google.com>
1028
1029         * dwarf.c: If the system header files do not declare strnlen,
1030         provide our own version.
1031
1032 2012-10-03  Ian Lance Taylor  <iant@google.com>
1033
1034         * dwarf.c (read_uleb128): Fix overflow test.
1035         (read_sleb128): Likewise.
1036         (build_address_map): Don't change unit_buf.start.
1037
1038 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1039
1040         PR other/54761
1041         * configure.ac (EXTRA_FLAGS): New.
1042         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1043         * configure, Makefile.in: Regenerate.
1044
1045 2012-09-29  Ian Lance Taylor  <iant@google.com>
1046
1047         PR other/54749
1048         * fileline.c (fileline_initialize): Pass errnum as -1 when
1049         reporting that we could not read executable information after a
1050         previous failure.
1051
1052 2012-09-27  Ian Lance Taylor  <iant@google.com>
1053
1054         PR bootstrap/54732
1055         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1056         * Makefile.am: Add dependencies for all objects.
1057         * configure, aclocal.m4, Makefile.in: Rebuild.
1058
1059 2012-09-27  Ian Lance Taylor  <iant@google.com>
1060
1061         PR other/54726
1062         * elf.c (backtrace_initialize): Set *fileln_fn, not
1063         state->fileln_fn.
1064
1065 2012-09-19  Ian Lance Taylor  <iant@google.com>
1066
1067         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1068         as a target library.
1069         * configure: Rebuild.
1070
1071 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1072             Ian Lance Taylor  <iant@google.com>
1073
1074         * configure.ac (GCC_HEADER_STDINT): Invoke.
1075         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1076         * btest.c: Don't include <stdint.h>.
1077         * dwarf.c: Likewise.
1078         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1079
1080 2012-09-18  Ian Lance Taylor  <iant@google.com>
1081
1082         PR bootstrap/54623
1083         * Makefile.am (AM_CPPFLAGS): Define.
1084         (AM_CFLAGS): Remove -I options.
1085         * Makefile.in: Rebuild.
1086
1087 2012-09-18  Ian Lance Taylor  <iant@google.com>
1088
1089         * posix.c (O_BINARY): Define if not defined.
1090         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1091         HAVE_FCNTL is defined.
1092         * configure.ac: Test for the fcntl function.
1093         * configure, config.h.in: Rebuild.
1094
1095 2012-09-18  Ian Lance Taylor  <iant@google.com>
1096
1097         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1098
1099 2012-09-18  Ian Lance Taylor  <iant@google.com>
1100
1101         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1102
1103 2012-09-18  Ian Lance Taylor  <iant@google.com>
1104
1105         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1106         * mmapio.c: Don't define _GNU_SOURCE.
1107         * configure, config.h.in: Rebuild.
1108
1109 2012-09-18  Ian Lance Taylor  <iant@google.com>
1110
1111         * configure.ac: Check whether strnlen is declared.
1112         * dwarf.c: Declare strnlen if not declared.
1113         * configure, config.h.in: Rebuild.
1114
1115 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1116
1117         * fileline.c: Include <stdlib.h>.
1118         * mmap.c: Likewise.
1119
1120 2012-09-17  Ian Lance Taylor  <iant@google.com>
1121
1122         PR bootstrap/54611
1123         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1124         parameter.
1125
1126 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1127
1128         PR bootstrap/54611
1129         * nounwind.c (backtrace_simple): Add state parameter.
1130
1131 2012-09-17  Ian Lance Taylor  <iant@google.com>
1132
1133         PR bootstrap/54609
1134         * unknown.c (unknown_fileline): Add state parameter, remove
1135         fileline_data parameter, name error_callback parameter.
1136         (backtrace_initialize): Add state parameter.
1137
1138 2012-09-17  Ian Lance Taylor  <iant@google.com>
1139
1140         * Initial implementation.
1141 \f
1142 Copyright (C) 2012-2019 Free Software Foundation, Inc.
1143
1144 Copying and distribution of this file, with or without modification,
1145 are permitted in any medium without royalty provided the copyright
1146 notice and this notice are preserved.