libbacktrace/ChangeLog

   1 2019-01-17  Tom de Vries  <tdevries@suse.de>
   2
   3         PR libbacktrace/82857
   4         * configure.ac (DWZ): Set with AC_CHECK_PROG.
   5         (HAVE_DWZ): Set with AM_CONDITIONAL.
   6         * configure: Regenerate.
   7         * Makefile.am (TESTS): Add btest_dwz.
   8         * Makefile.in: Regenerate.
   9
  10 2019-01-17  Tom de Vries  <tdevries@suse.de>
  11
  12         PR libbacktrace/82857
  13         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
  14         (read_attribute): Handle DW_FORM_GNU_ref_alt using
  15         ATTR_VAL_REF_ALT_INFO.
  16         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
  17
  18 2019-01-17  Tom de Vries  <tdevries@suse.de>
  19
  20         * dwarf.c (struct unit): Add low_offset and high_offset fields.
  21         (struct unit_vector): New type.
  22         (struct dwarf_data): Add units and units_counts fields.
  23         (find_unit): New function.
  24         (find_address_ranges): Add and handle unit_tag parameter.
  25         (build_address_map): Add and handle units_vec parameter.
  26         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
  27         units vector.
  28
  29 2019-01-17  Tom de Vries  <tdevries@suse.de>
  30
  31         PR libbacktrace/82857
  32         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
  33         using altlink.
  34
  35 2019-01-17  Tom de Vries  <tdevries@suse.de>
  36
  37         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
  38         (read_attribute): Add altlink parameter.  Handle missing altlink for
  39         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
  40         (find_address_ranges, build_address_map, build_dwarf_data): Add and
  41         handle altlink parameter.
  42         (read_referenced_name, read_function_entry): Add argument to
  43         read_attribute call.
  44
  45 2019-01-17  Tom de Vries  <tdevries@suse.de>
  46
  47         * dwarf.c (struct dwarf_data): Add altlink field.
  48         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
  49         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
  50         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
  51         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
  52         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
  53         * xcoff.c (xcoff_add): Same.
  54
  55 2019-01-17  Tom de Vries  <tdevries@suse.de>
  56
  57         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
  58         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
  59         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
  60         argument to backtrace_dwarf_add call.
  61         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
  62         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
  63         * xcoff.c (xcoff_add): Same.
  64
  65 2019-01-17  Tom de Vries  <tdevries@suse.de>
  66
  67         * elf.c (elf_add): Add and handle with_buildid_data and
  68         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
  69         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
  70
  71 2019-01-16  Tom de Vries  <tdevries@suse.de>
  72
  73         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
  74         of ...
  75         (read_referenced_name): ... here, and ...
  76         (read_function_entry): ... here.
  77
  78 2019-01-16  Tom de Vries  <tdevries@suse.de>
  79
  80         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
  81         name.
  82         (read_function_entry): Same.  Don't allow name found via
  83         DW_AT_abstract_origin or case DW_AT_specification to override linkage
  84         name.
  85
  86 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
  87
  88         PR other/16615
  89
  90         * backtrace.h: Mechanically replace "can not" with "cannot".
  91
  92 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  93
  94         Update copyright years.
  95
  96 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
  97
  98         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
  99         in sed pattern.
 100         * Makefile.in: Regenerate.
 101
 102 2018-12-28  Tom de Vries  <tdevries@suse.de>
 103
 104         * dwarf.c (build_address_map): Reuse unused units.
 105
 106 2018-12-28  Tom de Vries  <tdevries@suse.de>
 107
 108         * dwarf.c (build_address_map): Simplify by removing local variable
 109         abbrevs.
 110
 111 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 112             Tom de Vries  <tdevries@suse.de>
 113
 114         PR libbacktrace/88063
 115         * dwarf.c (free_unit_addrs_vector): Remove.
 116         (build_address_map): Keep track of allocated units in vector.  Free
 117         allocated units and corresponding abbrevs upon failure.  Remove now
 118         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 119         failure.  Free allocated unit vector.
 120
 121 2018-12-28  Tom de Vries  <tdevries@suse.de>
 122
 123         * dwarf.c (build_address_map): Free addrs vector upon failure.
 124
 125 2018-12-14  Tom de Vries  <tdevries@suse.de>
 126
 127         PR testsuite/88491
 128         * allocfail.sh: Remove "set -o pipefail".
 129
 130 2018-12-12  Tom de Vries  <tdevries@suse.de>
 131
 132         * Makefile.am (TESTS): Add allocfail.sh.
 133         (check_PROGRAMS): Add allocfail.
 134         * Makefile.in: Regenerate.
 135         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 136         Include alloc.c.
 137         * allocfail.c: New file.
 138         * allocfail.sh: New file.
 139
 140 2018-11-30  Tom de Vries  <tdevries@suse.de>
 141
 142         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 143         test_xcoff_64, test_pecoff and test_unknown.
 144         * Makefile.in: Regenerate.
 145         * test_format.c: New file.
 146
 147 2018-11-30  Tom de Vries  <tdevries@suse.de>
 148
 149         * Makefile.am : Add _with_alloc version for each test in
 150         check_PROGRAMS.
 151         * Makefile.in: Regenerate.
 152
 153 2018-11-30  Tom de Vries  <tdevries@suse.de>
 154
 155         * internal.h (backtrace_vector_free): New static inline fuction,
 156         factored out of ...
 157         * dwarf.c (read_line_info): ... here.
 158
 159 2018-11-28  Tom de Vries  <tdevries@suse.de>
 160
 161         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 162         failure.
 163
 164 2018-11-27  Tom de Vries  <tdevries@suse.de>
 165
 166         * mmap.c (backtrace_vector_release): Same.
 167         * unittest.c (test1): Add check.
 168
 169 2018-11-27  Tom de Vries  <tdevries@suse.de>
 170
 171         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 172         instead of realloc.
 173         * Makefile.am (check_PROGRAMS): Add unittest.
 174         * Makefile.in: Regenerate.
 175         * unittest.c: New file.
 176
 177 2018-11-22  Tom de Vries  <tdevries@suse.de>
 178
 179         * dwarf.c (read_initial_length): Factor out of ...
 180         (build_address_map, read_line_info): ... here.
 181
 182 2018-11-21  Tom de Vries  <tdevries@suse.de>
 183
 184         * dwarf.c (read_string): Factor out of ...
 185         (read_attribute, read_line_header, read_line_program): ... here.
 186
 187 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 188
 189         PR bootstrap/82856
 190         * Makefile.am: Include multilib.am.
 191         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 192         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 193
 194 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 195
 196         PR libbacktrace/87529
 197         * backtrace.h: Document that backtrace_create_state should be
 198         called only once.
 199
 200 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 201
 202         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 203         * Makefile.in: Regenerate.
 204         * config.h.in: Likewise.
 205         * configure: Likewise.
 206
 207 2018-08-01  Tony Reix  <tony.reix@atos.net>
 208
 209         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 210         (struct xcoff_func, struct xcoff_func_vector): New structs.
 211         (xcoff_syminfo): Drop leading dot from symbol name.
 212         (xcoff_line_compare, xcoff_line_search): Remove.
 213         (xcoff_func_compare, xcoff_func_search): New static functions.
 214         (xcoff_lookup_pc): Search function table.
 215         (xcoff_add_line, xcoff_process_linenos): Remove.
 216         (xcoff_initialize_fileline): Build function table.
 217
 218 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 219
 220         PR other/86198
 221         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 222         checking up to 36 bytes.
 223
 224 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 225
 226         * configure: Regenerated.
 227
 228 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 229
 230         * configure: Regenerated.
 231
 232 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 233
 234         * backtrace.c: Revert last two changes.  Don't call mmap
 235         directly.
 236
 237 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 238
 239         * backtrace.c: Include backtrace-supported.h before checking
 240         BACKTRACE_USES_MALLOC.
 241
 242 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 243
 244         * backtrace.c (backtrace_full): When testing whether we can
 245         allocate memory, call mmap directly, and munmap the memory.
 246
 247 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 248
 249         PR other/85161
 250         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 251         big endian, only use 32-bit loads if endianity macros are predefined
 252         and indicate big or little endian.
 253
 254 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 255
 256         PR target/84148
 257         * configure: Regenerate.
 258
 259 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 260
 261         PR other/82368
 262         * elf.c (SHT_PROGBITS): Undefine and define.
 263
 264 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 265
 266         PR other/82368
 267         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 268         (struct elf_ppc64_opd_data): New type.
 269         (elf_initialize_syminfo): Add opd argument, handle symbols
 270         pointing into the PowerPC64 ELFv1 .opd section.
 271         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 272         to structure with .opd data to elf_initialize_syminfo.
 273
 274 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 275
 276         * elf.c (elf_add): Close descriptor if we use a debugfile.
 277         * btest.c (check_open_files): New static function.
 278         (main): Call check_open_files.
 279
 280 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 281
 282         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 283         desired CRC is zero.
 284         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 285
 286 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 287
 288         * pecoff.c (coff_add): Only release syms_view if it is valid.
 289
 290 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 291
 292         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 293
 294 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 295
 296         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 297
 298 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 299
 300         PR other/68239
 301         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 302         on the free list.
 303
 304 2018-01-19  Tony Reix  <tony.reix@atos.net>
 305
 306         * xcoff.c (xcoff_incl_compare): New function.
 307         (xcoff_incl_search): New function.
 308         (xcoff_process_linenos): Use bsearch to find include file.
 309         (xcoff_initialize_fileline): Sort include file information.
 310
 311 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 312
 313         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 314         288.
 315         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 316         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 317         (elf_zlib_default_table): Update.
 318         (elf_zlib_default_dist_table): New static array.
 319         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 320         for block type 1.
 321         * ztest.c (struct zlib_test): Add uncompressed_len.
 322         (tests): Initialize uncompressed_len field.  Add new test case.
 323         (test_samples): Use uncompressed_len field.
 324
 325 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 326
 327         Update copyright years.
 328
 329 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 330
 331         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 332         * aclocal.m4: Regenerate.
 333         * Makefile.in: Likewise.
 334         * configure: Likewise.
 335
 336 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 337
 338         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 339         zlib uncompress function.
 340
 341 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 342
 343         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 344         Read a four byte integer.
 345         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 346         boundary before ever calling elf_zlib_fetch.
 347         * ztest.c (test_large): Simplify print statements a bit.
 348
 349 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 350
 351         * ztest.c: #include <errno.h>.
 352         (TEST_TIMING): Don't define, don't test.
 353         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 354         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 355         (ZLIB_CLOCK_GETTIME_ARG): Define.
 356         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 357         * Makefile.am: Likewise.
 358         * configure, Makefile.in: Rebuild.
 359
 360 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 361
 362         PR other/67165
 363         * Makefile.am: Append the content of clock_gettime_link to
 364         ztest_LDADD.
 365         * configure.ac: Test for the case that clock_gettime is in librt.
 366         * Makefile.in: Regenerate.
 367         * configure: Likewise.
 368
 369         PR other/67165
 370         * configure.ac: Check for clock_gettime.
 371         * config.h.in: Regenerate.
 372         * configure: Likewise.
 373         * ztest.c (average_time, test_large): Conditionalize test timing
 374         on clock_gettime availability.
 375
 376 2017-09-29  Tony Reix  <tony.reix@atos.net>
 377
 378         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 379         (STYP_DWARF, SSUBTYP_DW*): Define.
 380         (enum dwarf_section): Define.
 381         (struct dwsect_info): Define.
 382         (xcoff_add): Look for DWARF sections, pass them to
 383         backtrace_dwarf_add.
 384
 385 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 386
 387         PR other/67165
 388         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 389         (unlikely): Define.
 390         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 391         (b_elf_chdr): Define type.
 392         (enum debug_section): Add ZDEBUG_xxx values.
 393         (debug_section_names): Add names for new sections.
 394         (struct debug_section_info): Add compressed field.
 395         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 396         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 397         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 398         (HUFFMAN_SECONDARY_SHIFT): Define.
 399         (ZDEBUG_TABLE_SIZE): Define.
 400         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 401         (final_next_secondary): New static variable if
 402         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 403         (elf_zlib_inflate_table): New static function.
 404         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 405         function to produce fixed Huffman table.
 406         (elf_zlib_default_table): New static variable.
 407         (elf_zlib_inflate): New static function.
 408         (elf_zlib_verify_checksum): Likewise.
 409         (elf_zlib_inflate_and_verify): Likewise.
 410         (elf_uncompress_zdebug): Likewise.
 411         (elf_uncompress_chdr): Likewise.
 412         (backtrace_uncompress_zdebug): New extern function.
 413         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 414         sections, and uncompress them.
 415         * internal.h (backtrace_compress_zdebug): Declare.
 416         * ztest.c: New file.
 417         * configure.ac: Check for -lz and check whether the linker
 418         supports --compress-debug-sections.
 419         * Makefile.am (ztest_SOURCES): New variable.
 420         (ztest_CFLAGS, ztest_LDADD): New variables.
 421         (check_PROGRAMS): Add ztest.
 422         (ctestg_SOURCES): New variable.
 423         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 424         (ctesta_SOURCES): New variable.
 425         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 426         (check_PROGRAMS): Add ctestg and ctesta.
 427         * configure, config.h.in, Makefile.in: Rebuild.
 428
 429 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 430
 431         PR sanitizer/77631
 432         * configure.ac: Check for lstat and readlink.
 433         * elf.c (lstat, readlink): Provide dummy versions if real versions
 434         are not available.
 435         * configure, config.h.in: Rebuild.
 436
 437 2017-09-21  Ian Lance Taylor  <iant@google.com>
 438
 439         PR go/82284
 440         * elf.c (backtrace_initialize): Set pd.exe_filename.
 441
 442 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 443             Denis Khalikov  <d.khalikov@partner.samsung.com>
 444
 445         PR sanitizer/77631
 446         Support for external debug info.
 447         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 448         (S_ISLNK): Define if not defined.
 449         (xstrnlen): Define if strnlen is not available.
 450         (b_elf_note): Define type.
 451         (NT_GNU_BUILD_ID): Define macro.
 452         (elf_crc32, elf_crc32_file): New static functions.
 453         (elf_is_symlink, elf_readlink): New static functions.
 454         (elf_open_debugfile_by_buildid): New static function.
 455         (elf_try_debugfile): New static function.
 456         (elf_find_debugfile_by_debuglink): New static function.
 457         (elf_open_debugfile_by_debuglink): New static function.
 458         (elf_add): Add filename and debuginfo parameters.  Adjust all
 459         callers.  Look for external debug info notes, and try to fetch
 460         debug info from external file.
 461         (struct phdr_data): Add exe_filename field.
 462         (phdr_callback): Pass filename to elf_add.
 463         (backtrace_initialize): Add filename parameter.
 464         * internal.h (backtrace_initialize): Add filename parameter.
 465         * fileline.c (fileline_initialize): Pass filename to
 466         backtrace_initialize.
 467         * pecoff.c (fileline_initialize): Add unused filename parameter.
 468         * unknown.c (fileline_initialize): Likewise.
 469         * xcoff.c (fileline_initialize): Likewise.
 470         * configure.ac: Check for objcopy --add-gnu-debuglink.
 471         * Makefile.am (dtest): New test target.
 472         * configure, Makefile.in: Rebuild.
 473
 474 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 475
 476         PR other/81096
 477         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 478         * Makefile.in: Regenerate.
 479
 480 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 481
 482         PR other/81096
 483         * libbacktrace/Makefile.in
 484         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 485
 486 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 487
 488         PR bootstrap/81638
 489         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 490
 491 2017-07-28  Tony Reix  <tony.reix@atos.net>
 492
 493         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 494
 495 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 496
 497         * fileline.c (fileline_initialize): Print pid_t as long.
 498
 499 2017-07-26  Tony Reix  <tony.reix@atos.net>
 500
 501         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 502         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 503         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 504         * configure, config.h.in: Regenerate.
 505
 506 2017-07-21  Tony Reix  <tony.reix@atos.net>
 507
 508         * filetype.awk: Add AIX XCOFF type detection.
 509         * configure.ac: Recognize xcoff format.
 510         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 511         * fileline.c: Include <unistd.h>.
 512         (fileline_initialize): Add case for AIX procfs.
 513         * xcoff.c: New file.
 514         * configure, Makefile.in: Rebuild.
 515
 516 2017-06-21  Richard Biener  <rguenther@suse.de>
 517
 518         * configure.ac: Add AC_SYS_LARGEFILE.
 519         * config.h.in: Regenerate.
 520         * configure: Likewise.
 521
 522 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 523
 524         * elf.c (backtrace_initialize): Always set *fileline_fn.
 525         * ttest.c: New file.
 526         * btest.c: Move support functions into testlib.c.  Change calls to
 527         check to pass file name.
 528         * testlib.c: New file, copied from (part of) btest.c.
 529         * testlib.h: New file, declarations for testlib.c.
 530         * edtest.c: Use testlib.h and testlib.c.
 531         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 532         * Makefile.am (btest_SOURCES): Add testlib.c.
 533         (edtest_SOURCES): Likewise.
 534         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 535         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 536         * configure, Makefile.in: Rebuild.
 537
 538 2017-05-19  Than McIntosh  <thanm@google.com>
 539
 540         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 541         (read_line_header): Don't allocate dirs if dirs_count == 0.
 542         * edtest.c: New file.
 543         * edtest2.c: New file.
 544         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 545         (check_PROGRAMS): Add edtest.
 546         (edtest2_build.c, gen_edtest2_build): New targets.
 547         * Makefile.in: Rebuild.
 548
 549 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 550
 551         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 552         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 553
 554 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 555
 556         Update copyright years.
 557
 558 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 559
 560         * configure: Regenerate.
 561
 562 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 563
 564         * all: Remove meaningless trailing whitespace.
 565
 566 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 567
 568         PR target/71161
 569         * elf.c (phdr_callback) [__i386__]: Add
 570         __attribute__((__force_align_arg_pointer__)).
 571
 572 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 573
 574         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 575         avoid possible crash.
 576         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 577         missing debug info anymore.
 578
 579 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 580
 581         * mmap.c (MAP_FAILED): Define if not defined.
 582
 583 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 584
 585         Update copyright years.
 586
 587 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 588
 589         * configure.ac: Specify that DJGPP do not have mmap
 590         even when sys/mman.h exists.
 591         * configure: Regenerate
 592
 593 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 594
 595         PR libgfortran/68115
 596         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 597         * configure: Regenerate.
 598         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 599         to void.
 600
 601 2015-09-17  Ian Lance Taylor  <iant@google.com>
 602
 603         * posix.c (backtrace_open): Cast second argument of open() to int.
 604
 605 2015-09-11  Ian Lance Taylor  <iant@google.com>
 606
 607         * Makefile.am (backtrace.lo): Depend on internal.h.
 608         (sort.lo, stest.lo): Add explicit dependencies.
 609         * Makefile.in: Rebuild.
 610
 611 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 612
 613         * backtrace.c: #include <sys/types.h>.
 614
 615 2015-09-08  Ian Lance Taylor  <iant@google.com>
 616
 617         PR other/67457
 618         * backtrace.c: #include "internal.h".
 619         (struct backtrace_data): Add can_alloc field.
 620         (unwind): If can_alloc is false, don't try to get file/line
 621         information.
 622         (backtrace_full): Set can_alloc field in bdata.
 623         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 624         NULL.
 625         * mmap.c (backtrace_alloc): Likewise.
 626         * internal.h: Update comments for backtrace_alloc and
 627         backtrace_free.
 628
 629 2015-09-08  Ian Lance Taylor  <iant@google.com>
 630
 631         PR other/67457
 632         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 633
 634 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 635
 636         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 637         * configure: Regenerate.
 638
 639 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 640
 641         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 642         Remove setting PIC_FLAG when building as target library.
 643         * configure: Regenerate.
 644
 645 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 646
 647         * configure.ac: Only compile with -fPIC if the target
 648         supports it.
 649         * configure: Regenerate.
 650
 651 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 652
 653         * configure.ac: Set have_mmap to no on spu-*-* targets.
 654         * configure: Regenerate.
 655
 656 2015-08-13  Ian Lance Taylor  <iant@google.com>
 657
 658         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 659         Change all callers.
 660
 661 2015-06-11  Martin Sebor  <msebor@redhat.com>
 662
 663         PR sanitizer/65479
 664         * dwarf.c (struct line): Add new field idx.
 665         (line_compare): Use it.
 666         (add_line): Set it.
 667         (read_line_info): Reset it.
 668
 669 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 670
 671         * pecoff.c: New file.
 672         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 673         * Makefile.in: Regenerate.
 674         * filetype.awk: Detect pecoff.
 675         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 676         Add pecoff.
 677         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 678         true.
 679         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 680         * configure: Regenerate.
 681         * pecoff.c: New file.
 682
 683 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 684
 685         * Makefile.in: Regenerated with automake-1.11.6.
 686         * aclocal.m4: Likewise.
 687         * configure: Likewise.
 688
 689 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 690
 691         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 692         * configure: Regenerate.
 693
 694 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 695
 696         Update copyright years.
 697
 698 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 699
 700         PR bootstrap/63784
 701         * configure: Regenerated.
 702
 703 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 704
 705         * ChangeLog.jit: New.
 706
 707 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 708
 709         PR target/63610
 710         * configure: Regenerate.
 711
 712 2014-10-23  Ian Lance Taylor  <iant@google.com>
 713
 714         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 715         Fix to return void *.
 716
 717 2014-05-08  Ian Lance Taylor  <iant@google.com>
 718
 719         * mmap.c (backtrace_free): If freeing a large aligned block of
 720         memory, call munmap rather than holding onto it.
 721         (backtrace_vector_grow): When growing a vector, double the number
 722         of pages requested.  When releasing the old version of a grown
 723         vector, pass the correct size to backtrace_free.
 724
 725 2014-03-07  Ian Lance Taylor  <iant@google.com>
 726
 727         * sort.c (backtrace_qsort): Use middle element as pivot.
 728
 729 2014-03-06  Ian Lance Taylor  <iant@google.com>
 730
 731         * sort.c: New file.
 732         * stest.c: New file.
 733         * internal.h (backtrace_qsort): Declare.
 734         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 735         (read_line_info, read_function_entry): Likewise.
 736         (read_function_info, build_dwarf_data): Likewise.
 737         * elf.c (elf_initialize_syminfo): Likewise.
 738         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 739         (stest_SOURCES, stest_LDADD): Define.
 740         (check_PROGRAMS): Add stest.
 741
 742 2014-02-07  Misty De Meo  <misty@brew.sh>
 743
 744         PR target/58710
 745         * configure.ac: Use AC_LINK_IFELSE in check for
 746         _Unwind_GetIPInfo.
 747         * configure: Regenerate.
 748
 749 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 750
 751         Update copyright years
 752
 753 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 754
 755         * elf.c (ET_DYN): Undefine and define again.
 756         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 757         return early -1 without closing the descriptor.
 758         (struct phdr_data): Add exe_descriptor.
 759         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 760         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 761         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 762         call to elf_add.
 763         (backtrace_initialize): Adjust call to elf_add.  If it returns
 764         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 765
 766 2013-12-05  Ian Lance Taylor  <iant@google.com>
 767
 768         * alloc.c (backtrace_vector_finish): Add error_callback and data
 769         parameters.  Call backtrace_vector_release.  Return address base.
 770         * mmap.c (backtrace_vector_finish): Add error_callback and data
 771         parameters.  Return address base.
 772         * dwarf.c (read_function_info): Get new address base from
 773         backtrace_vector_finish.
 774         * internal.h (backtrace_vector_finish): Update declaration.
 775
 776 2013-11-27  Ian Lance Taylor  <iant@google.com>
 777
 778         * dwarf.c (find_address_ranges): New static function, broken out
 779         of build_address_map.
 780         (build_address_map): Call it.
 781         * btest.c (check): Check for missing filename or function, rather
 782         than crashing.
 783         (f3): Check that enough frames were returned.
 784
 785 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 786
 787         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 788         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 789         last argument.
 790         * btest.c (struct symdata): Add size field.
 791         (callback_three): Add symsize argument.  Copy it to the data->size
 792         field.
 793         (f23): Set symdata.size to 0.
 794         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 795         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 796         values.
 797
 798         * atomic.c: Include sys/types.h.
 799
 800 2013-11-18  Ian Lance Taylor  <iant@google.com>
 801
 802         * configure.ac: Check for support of __atomic extensions.
 803         * internal.h: Declare or #define atomic functions for use in
 804         backtrace code.
 805         * atomic.c: New file.
 806         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 807         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 808         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 809         (backtrace_initialize): Likewise.
 810         * fileline.c (fileline_initialize): Likewise.
 811         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 812         * configure, config.h.in, Makefile.in: Rebuild.
 813
 814 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
 815
 816         * elf.c (SHN_UNDEF): Define.
 817         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
 818         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
 819         (elf_add): Adjust caller.
 820
 821         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
 822
 823 2013-11-16  Ian Lance Taylor  <iant@google.com>
 824
 825         * backtrace.h (backtrace_create_state): Correct comment about
 826         threading.
 827
 828 2013-11-15  Ian Lance Taylor  <iant@google.com>
 829
 830         * backtrace.h (backtrace_syminfo): Update comment and parameter
 831         name to take any address, not just a PC value.
 832         * elf.c (STT_OBJECT): Define.
 833         (elf_nosyms): Rename parameter pc to addr.
 834         (elf_symbol_search): Rename local variable pc to addr.
 835         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
 836         (elf_syminfo): Rename parameter pc to addr.
 837         * btest.c (global): New global variable.
 838         (test5): New test.
 839         (main): Call test5.
 840
 841 2013-10-17  Ian Lance Taylor  <iant@google.com>
 842
 843         * elf.c (elf_add): Don't get the wrong offsets if a debug section
 844         is missing.
 845
 846 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 847
 848         * configure.ac: Add --enable-host-shared, setting up
 849         pre-existing PIC_FLAG variable within Makefile.am et al.
 850         * configure: Regenerate.
 851
 852 2013-09-20  Alan Modra  <amodra@gmail.com>
 853
 854         * configure: Regenerate.
 855
 856 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 857
 858         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
 859
 860 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 861
 862         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
 863         dl_iterate_phdr callbacks.
 864
 865 2013-03-25  Ian Lance Taylor  <iant@google.com>
 866
 867         * alloc.c: #include <sys/types.h>.
 868         * mmap.c: Likewise.
 869
 870 2013-01-31  Ian Lance Taylor  <iant@google.com>
 871
 872         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
 873         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
 874
 875 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
 876
 877         PR other/56076
 878         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
 879         attribute was not seen.
 880
 881 2013-01-16  Ian Lance Taylor  <iant@google.com>
 882
 883         * dwarf.c (struct unit): Add filename and abs_filename fields.
 884         (build_address_map): Set new fields when reading unit.
 885         (dwarf_lookup_pc): If we don't find an entry in the line table,
 886         just return the main file name.
 887
 888 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
 889
 890         Update copyright years.
 891
 892 2013-01-01  Ian Lance Taylor  <iant@google.com>
 893
 894         PR bootstrap/54834
 895         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
 896         $(MULTIBUILDTOP)/../../gcc/include.
 897         * Makefile.in: Rebuild.
 898
 899 2013-01-01  Ian Lance Taylor  <iant@google.com>
 900
 901         PR other/55536
 902         * mmap.c (backtrace_alloc): Don't call sync functions if not
 903         threaded.
 904         (backtrace_free): Likewise.
 905
 906 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 907
 908         * mmapio.c: Define MAP_FAILED if not defined.
 909
 910 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
 911
 912         PR bootstrap/54926
 913         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
 914         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
 915         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
 916         accepts it.
 917         * Makefile.in: Regenerated.
 918         * configure: Regenerated.
 919
 920 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
 921
 922         PR bootstrap/54926
 923         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
 924         * Makefile.in: Regenerated.
 925
 926 2012-11-20  Ian Lance Taylor  <iant@google.com>
 927
 928         * dwarf.c (read_attribute): Always clear val.
 929
 930 2012-11-13  Ian Lance Taylor  <iant@google.com>
 931
 932         PR other/55312
 933         * configure.ac: Only add -Werror if building a target library.
 934         * configure: Rebuild.
 935
 936 2012-11-12  Ian Lance Taylor  <iant@google.com>
 937             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 938             Gerald Pfeifer  <gerald@pfeifer.com>
 939
 940         * configure.ac: Check for getexecname.
 941         * fileline.c: #include <errno.h>.  Define getexecname if not
 942         available.
 943         (fileline_initialize): Try to find the executable in a few
 944         different ways.
 945         * print.c (error_callback): Only print the filename if it came
 946         from the backtrace state.
 947         * configure, config.h.in: Rebuild.
 948
 949 2012-10-29  Ian Lance Taylor  <iant@google.com>
 950
 951         * mmap.c (backtrace_vector_release): Correct last patch: add
 952         aligned, not size.
 953
 954 2012-10-29  Ian Lance Taylor  <iant@google.com>
 955
 956         * mmap.c (backtrace_vector_release): Make sure freed block is
 957         aligned on 8-byte boundary.
 958
 959 2012-10-26  Ian Lance Taylor  <iant@google.com>
 960
 961         PR other/55087
 962         * posix.c (backtrace_open): Add does_not_exist parameter.
 963         * elf.c (phdr_callback): Do not warn if shared library could not
 964         be opened.
 965         * fileline.c (fileline_initialize): Update calls to
 966         backtrace_open.
 967         * internal.h (backtrace_open): Update declaration.
 968
 969 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
 970
 971         PR target/55061
 972         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
 973         * configure: Regenerate.
 974
 975 2012-10-24  Ian Lance Taylor  <iant@google.com>
 976
 977         PR target/55061
 978         * configure.ac: Check whether -funwind-tables option works.
 979         * configure: Rebuild.
 980
 981 2012-10-11  Ian Lance Taylor  <iant@google.com>
 982
 983         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
 984         * configure: Rebuild.
 985
 986 2012-10-10  Ian Lance Taylor  <iant@google.com>
 987
 988         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
 989         lower case.
 990
 991 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
 992
 993         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
 994
 995 2012-10-09  Ian Lance Taylor  <iant@google.com>
 996
 997         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
 998         (backtrace_dwarf_add): Likewise.
 999
1000 2012-10-09  Ian Lance Taylor  <iant@google.com>
1001
1002         Add support for tracing through shared libraries.
1003         * configure.ac: Check for link.h and dl_iterate_phdr.
1004         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1005         ELF macros before #defining them.
1006         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1007         dl_iterate_phdr.
1008         (struct elf_syminfo_data): Add next field.
1009         (elf_initialize_syminfo): Initialize next field.
1010         (elf_add_syminfo_data): New static function.
1011         (elf_add): New static function, broken out of
1012         backtrace_initialize.  Call backtrace_dwarf_add instead of
1013         backtrace_dwarf_initialize.
1014         (struct phdr_data): Define.
1015         (phdr_callback): New static function.
1016         (backtrace_initialize): Call elf_add.
1017         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1018         (add_unit_addr): Add base_address parameter.  Change all callers.
1019         (add_unit_ranges, build_address_map): Likewise.
1020         (add_line): Add ddata parameter.  Change all callers.
1021         (read_line_program, add_function_range): Likewise.
1022         (dwarf_lookup_pc): New static function, broken out of
1023         dwarf_fileline.
1024         (dwarf_fileline): Call dwarf_lookup_pc.
1025         (build_dwarf_data): New static function.
1026         (backtrace_dwarf_add): New function.
1027         (backtrace_dwarf_initialize): Remove.
1028         * internal.h (backtrace_dwarf_initialize): Don't declare.
1029         (backtrace_dwarf_add): Declare.
1030         * configure, config.h.in: Rebuild.
1031
1032 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1033
1034         * btest.c (f23): Avoid uninitialized variable warning.
1035
1036 2012-10-04  Ian Lance Taylor  <iant@google.com>
1037
1038         * dwarf.c: If the system header files do not declare strnlen,
1039         provide our own version.
1040
1041 2012-10-03  Ian Lance Taylor  <iant@google.com>
1042
1043         * dwarf.c (read_uleb128): Fix overflow test.
1044         (read_sleb128): Likewise.
1045         (build_address_map): Don't change unit_buf.start.
1046
1047 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1048
1049         PR other/54761
1050         * configure.ac (EXTRA_FLAGS): New.
1051         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1052         * configure, Makefile.in: Regenerate.
1053
1054 2012-09-29  Ian Lance Taylor  <iant@google.com>
1055
1056         PR other/54749
1057         * fileline.c (fileline_initialize): Pass errnum as -1 when
1058         reporting that we could not read executable information after a
1059         previous failure.
1060
1061 2012-09-27  Ian Lance Taylor  <iant@google.com>
1062
1063         PR bootstrap/54732
1064         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1065         * Makefile.am: Add dependencies for all objects.
1066         * configure, aclocal.m4, Makefile.in: Rebuild.
1067
1068 2012-09-27  Ian Lance Taylor  <iant@google.com>
1069
1070         PR other/54726
1071         * elf.c (backtrace_initialize): Set *fileln_fn, not
1072         state->fileln_fn.
1073
1074 2012-09-19  Ian Lance Taylor  <iant@google.com>
1075
1076         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1077         as a target library.
1078         * configure: Rebuild.
1079
1080 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1081             Ian Lance Taylor  <iant@google.com>
1082
1083         * configure.ac (GCC_HEADER_STDINT): Invoke.
1084         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1085         * btest.c: Don't include <stdint.h>.
1086         * dwarf.c: Likewise.
1087         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1088
1089 2012-09-18  Ian Lance Taylor  <iant@google.com>
1090
1091         PR bootstrap/54623
1092         * Makefile.am (AM_CPPFLAGS): Define.
1093         (AM_CFLAGS): Remove -I options.
1094         * Makefile.in: Rebuild.
1095
1096 2012-09-18  Ian Lance Taylor  <iant@google.com>
1097
1098         * posix.c (O_BINARY): Define if not defined.
1099         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1100         HAVE_FCNTL is defined.
1101         * configure.ac: Test for the fcntl function.
1102         * configure, config.h.in: Rebuild.
1103
1104 2012-09-18  Ian Lance Taylor  <iant@google.com>
1105
1106         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1107
1108 2012-09-18  Ian Lance Taylor  <iant@google.com>
1109
1110         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1111
1112 2012-09-18  Ian Lance Taylor  <iant@google.com>
1113
1114         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1115         * mmapio.c: Don't define _GNU_SOURCE.
1116         * configure, config.h.in: Rebuild.
1117
1118 2012-09-18  Ian Lance Taylor  <iant@google.com>
1119
1120         * configure.ac: Check whether strnlen is declared.
1121         * dwarf.c: Declare strnlen if not declared.
1122         * configure, config.h.in: Rebuild.
1123
1124 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1125
1126         * fileline.c: Include <stdlib.h>.
1127         * mmap.c: Likewise.
1128
1129 2012-09-17  Ian Lance Taylor  <iant@google.com>
1130
1131         PR bootstrap/54611
1132         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1133         parameter.
1134
1135 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1136
1137         PR bootstrap/54611
1138         * nounwind.c (backtrace_simple): Add state parameter.
1139
1140 2012-09-17  Ian Lance Taylor  <iant@google.com>
1141
1142         PR bootstrap/54609
1143         * unknown.c (unknown_fileline): Add state parameter, remove
1144         fileline_data parameter, name error_callback parameter.
1145         (backtrace_initialize): Add state parameter.
1146
1147 2012-09-17  Ian Lance Taylor  <iant@google.com>
1148
1149         * Initial implementation.
1150 \f
1151 Copyright (C) 2012-2019 Free Software Foundation, Inc.
1152
1153 Copying and distribution of this file, with or without modification,
1154 are permitted in any medium without royalty provided the copyright
1155 notice and this notice are preserved.