libbacktrace/ChangeLog

   1 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         PR target/71161
   4         * elf.c (phdr_callback) [__i386__]: Add
   5         __attribute__((__force_align_arg_pointer__)).
   6
   7 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
   8
   9         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
  10         avoid possible crash.
  11         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
  12         missing debug info anymore.
  13
  14 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
  15
  16         * mmap.c (MAP_FAILED): Define if not defined.
  17
  18 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
  19
  20         Update copyright years.
  21
  22 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
  23
  24         * configure.ac: Specify that DJGPP do not have mmap
  25         even when sys/mman.h exists.
  26         * configure: Regenerate
  27
  28 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
  29
  30         PR libgfortran/68115
  31         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
  32         * configure: Regenerate.
  33         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
  34         to void.
  35
  36 2015-09-17  Ian Lance Taylor  <iant@google.com>
  37
  38         * posix.c (backtrace_open): Cast second argument of open() to int.
  39
  40 2015-09-11  Ian Lance Taylor  <iant@google.com>
  41
  42         * Makefile.am (backtrace.lo): Depend on internal.h.
  43         (sort.lo, stest.lo): Add explicit dependencies.
  44         * Makefile.in: Rebuild.
  45
  46 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
  47
  48         * backtrace.c: #include <sys/types.h>.
  49
  50 2015-09-08  Ian Lance Taylor  <iant@google.com>
  51
  52         PR other/67457
  53         * backtrace.c: #include "internal.h".
  54         (struct backtrace_data): Add can_alloc field.
  55         (unwind): If can_alloc is false, don't try to get file/line
  56         information.
  57         (backtrace_full): Set can_alloc field in bdata.
  58         * alloc.c (backtrace_alloc): Don't call error_callback if it is
  59         NULL.
  60         * mmap.c (backtrace_alloc): Likewise.
  61         * internal.h: Update comments for backtrace_alloc and
  62         backtrace_free.
  63
  64 2015-09-08  Ian Lance Taylor  <iant@google.com>
  65
  66         PR other/67457
  67         * mmap.c (backtrace_alloc): Correct test for mmap failure.
  68
  69 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  70
  71         * configure.ac: For spu-*-* targets, set have_fcntl to no.
  72         * configure: Regenerate.
  73
  74 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  75
  76         * configure.ac: Remove [disable-shared] argument to LT_INIT.
  77         Remove setting PIC_FLAG when building as target library.
  78         * configure: Regenerate.
  79
  80 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
  81
  82         * configure.ac: Only compile with -fPIC if the target
  83         supports it.
  84         * configure: Regenerate.
  85
  86 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  87
  88         * configure.ac: Set have_mmap to no on spu-*-* targets.
  89         * configure: Regenerate.
  90
  91 2015-08-13  Ian Lance Taylor  <iant@google.com>
  92
  93         * dwarf.c (read_function_entry): Add vec_inlined parameter.
  94         Change all callers.
  95
  96 2015-06-11  Martin Sebor  <msebor@redhat.com>
  97
  98         PR sanitizer/65479
  99         * dwarf.c (struct line): Add new field idx.
 100         (line_compare): Use it.
 101         (add_line): Set it.
 102         (read_line_info): Reset it.
 103
 104 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 105
 106         * pecoff.c: New file.
 107         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 108         * Makefile.in: Regenerate.
 109         * filetype.awk: Detect pecoff.
 110         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 111         Add pecoff.
 112         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 113         true.
 114         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 115         * configure: Regenerate.
 116         * pecoff.c: New file.
 117
 118 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 119
 120         * Makefile.in: Regenerated with automake-1.11.6.
 121         * aclocal.m4: Likewise.
 122         * configure: Likewise.
 123
 124 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 125
 126         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 127         * configure: Regenerate.
 128
 129 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 130
 131         Update copyright years.
 132
 133 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 134
 135         PR bootstrap/63784
 136         * configure: Regenerated.
 137
 138 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 139
 140         * ChangeLog.jit: New.
 141
 142 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 143
 144         PR target/63610
 145         * configure: Regenerate.
 146
 147 2014-10-23  Ian Lance Taylor  <iant@google.com>
 148
 149         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 150         Fix to return void *.
 151
 152 2014-05-08  Ian Lance Taylor  <iant@google.com>
 153
 154         * mmap.c (backtrace_free): If freeing a large aligned block of
 155         memory, call munmap rather than holding onto it.
 156         (backtrace_vector_grow): When growing a vector, double the number
 157         of pages requested.  When releasing the old version of a grown
 158         vector, pass the correct size to backtrace_free.
 159
 160 2014-03-07  Ian Lance Taylor  <iant@google.com>
 161
 162         * sort.c (backtrace_qsort): Use middle element as pivot.
 163
 164 2014-03-06  Ian Lance Taylor  <iant@google.com>
 165
 166         * sort.c: New file.
 167         * stest.c: New file.
 168         * internal.h (backtrace_qsort): Declare.
 169         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 170         (read_line_info, read_function_entry): Likewise.
 171         (read_function_info, build_dwarf_data): Likewise.
 172         * elf.c (elf_initialize_syminfo): Likewise.
 173         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 174         (stest_SOURCES, stest_LDADD): Define.
 175         (check_PROGRAMS): Add stest.
 176
 177 2014-02-07  Misty De Meo  <misty@brew.sh>
 178
 179         PR target/58710
 180         * configure.ac: Use AC_LINK_IFELSE in check for
 181         _Unwind_GetIPInfo.
 182         * configure: Regenerate.
 183
 184 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 185
 186         Update copyright years
 187
 188 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 189
 190         * elf.c (ET_DYN): Undefine and define again.
 191         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 192         return early -1 without closing the descriptor.
 193         (struct phdr_data): Add exe_descriptor.
 194         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 195         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 196         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 197         call to elf_add.
 198         (backtrace_initialize): Adjust call to elf_add.  If it returns
 199         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 200
 201 2013-12-05  Ian Lance Taylor  <iant@google.com>
 202
 203         * alloc.c (backtrace_vector_finish): Add error_callback and data
 204         parameters.  Call backtrace_vector_release.  Return address base.
 205         * mmap.c (backtrace_vector_finish): Add error_callback and data
 206         parameters.  Return address base.
 207         * dwarf.c (read_function_info): Get new address base from
 208         backtrace_vector_finish.
 209         * internal.h (backtrace_vector_finish): Update declaration.
 210
 211 2013-11-27  Ian Lance Taylor  <iant@google.com>
 212
 213         * dwarf.c (find_address_ranges): New static function, broken out
 214         of build_address_map.
 215         (build_address_map): Call it.
 216         * btest.c (check): Check for missing filename or function, rather
 217         than crashing.
 218         (f3): Check that enough frames were returned.
 219
 220 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 221
 222         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 223         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 224         last argument.
 225         * btest.c (struct symdata): Add size field.
 226         (callback_three): Add symsize argument.  Copy it to the data->size
 227         field.
 228         (f23): Set symdata.size to 0.
 229         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 230         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 231         values.
 232
 233         * atomic.c: Include sys/types.h.
 234
 235 2013-11-18  Ian Lance Taylor  <iant@google.com>
 236
 237         * configure.ac: Check for support of __atomic extensions.
 238         * internal.h: Declare or #define atomic functions for use in
 239         backtrace code.
 240         * atomic.c: New file.
 241         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 242         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 243         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 244         (backtrace_initialize): Likewise.
 245         * fileline.c (fileline_initialize): Likewise.
 246         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 247         * configure, config.h.in, Makefile.in: Rebuild.
 248
 249 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
 250
 251         * elf.c (SHN_UNDEF): Define.
 252         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
 253         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
 254         (elf_add): Adjust caller.
 255
 256         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
 257
 258 2013-11-16  Ian Lance Taylor  <iant@google.com>
 259
 260         * backtrace.h (backtrace_create_state): Correct comment about
 261         threading.
 262
 263 2013-11-15  Ian Lance Taylor  <iant@google.com>
 264
 265         * backtrace.h (backtrace_syminfo): Update comment and parameter
 266         name to take any address, not just a PC value.
 267         * elf.c (STT_OBJECT): Define.
 268         (elf_nosyms): Rename parameter pc to addr.
 269         (elf_symbol_search): Rename local variable pc to addr.
 270         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
 271         (elf_syminfo): Rename parameter pc to addr.
 272         * btest.c (global): New global variable.
 273         (test5): New test.
 274         (main): Call test5.
 275
 276 2013-10-17  Ian Lance Taylor  <iant@google.com>
 277
 278         * elf.c (elf_add): Don't get the wrong offsets if a debug section
 279         is missing.
 280
 281 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 282
 283         * configure.ac: Add --enable-host-shared, setting up
 284         pre-existing PIC_FLAG variable within Makefile.am et al.
 285         * configure: Regenerate.
 286
 287 2013-09-20  Alan Modra  <amodra@gmail.com>
 288
 289         * configure: Regenerate.
 290
 291 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 292
 293         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
 294
 295 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 296
 297         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
 298         dl_iterate_phdr callbacks.
 299
 300 2013-03-25  Ian Lance Taylor  <iant@google.com>
 301
 302         * alloc.c: #include <sys/types.h>.
 303         * mmap.c: Likewise.
 304
 305 2013-01-31  Ian Lance Taylor  <iant@google.com>
 306
 307         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
 308         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
 309
 310 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
 311
 312         PR other/56076
 313         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
 314         attribute was not seen.
 315
 316 2013-01-16  Ian Lance Taylor  <iant@google.com>
 317
 318         * dwarf.c (struct unit): Add filename and abs_filename fields.
 319         (build_address_map): Set new fields when reading unit.
 320         (dwarf_lookup_pc): If we don't find an entry in the line table,
 321         just return the main file name.
 322
 323 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
 324
 325         Update copyright years.
 326
 327 2013-01-01  Ian Lance Taylor  <iant@google.com>
 328
 329         PR bootstrap/54834
 330         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
 331         $(MULTIBUILDTOP)/../../gcc/include.
 332         * Makefile.in: Rebuild.
 333
 334 2013-01-01  Ian Lance Taylor  <iant@google.com>
 335
 336         PR other/55536
 337         * mmap.c (backtrace_alloc): Don't call sync functions if not
 338         threaded.
 339         (backtrace_free): Likewise.
 340
 341 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 342
 343         * mmapio.c: Define MAP_FAILED if not defined.
 344
 345 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
 346
 347         PR bootstrap/54926
 348         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
 349         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
 350         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
 351         accepts it.
 352         * Makefile.in: Regenerated.
 353         * configure: Regenerated.
 354
 355 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
 356
 357         PR bootstrap/54926
 358         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
 359         * Makefile.in: Regenerated.
 360
 361 2012-11-20  Ian Lance Taylor  <iant@google.com>
 362
 363         * dwarf.c (read_attribute): Always clear val.
 364
 365 2012-11-13  Ian Lance Taylor  <iant@google.com>
 366
 367         PR other/55312
 368         * configure.ac: Only add -Werror if building a target library.
 369         * configure: Rebuild.
 370
 371 2012-11-12  Ian Lance Taylor  <iant@google.com>
 372             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 373             Gerald Pfeifer  <gerald@pfeifer.com>
 374
 375         * configure.ac: Check for getexecname.
 376         * fileline.c: #include <errno.h>.  Define getexecname if not
 377         available.
 378         (fileline_initialize): Try to find the executable in a few
 379         different ways.
 380         * print.c (error_callback): Only print the filename if it came
 381         from the backtrace state.
 382         * configure, config.h.in: Rebuild.
 383
 384 2012-10-29  Ian Lance Taylor  <iant@google.com>
 385
 386         * mmap.c (backtrace_vector_release): Correct last patch: add
 387         aligned, not size.
 388
 389 2012-10-29  Ian Lance Taylor  <iant@google.com>
 390
 391         * mmap.c (backtrace_vector_release): Make sure freed block is
 392         aligned on 8-byte boundary.
 393
 394 2012-10-26  Ian Lance Taylor  <iant@google.com>
 395
 396         PR other/55087
 397         * posix.c (backtrace_open): Add does_not_exist parameter.
 398         * elf.c (phdr_callback): Do not warn if shared library could not
 399         be opened.
 400         * fileline.c (fileline_initialize): Update calls to
 401         backtrace_open.
 402         * internal.h (backtrace_open): Update declaration.
 403
 404 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
 405
 406         PR target/55061
 407         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
 408         * configure: Regenerate.
 409
 410 2012-10-24  Ian Lance Taylor  <iant@google.com>
 411
 412         PR target/55061
 413         * configure.ac: Check whether -funwind-tables option works.
 414         * configure: Rebuild.
 415
 416 2012-10-11  Ian Lance Taylor  <iant@google.com>
 417
 418         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
 419         * configure: Rebuild.
 420
 421 2012-10-10  Ian Lance Taylor  <iant@google.com>
 422
 423         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
 424         lower case.
 425
 426 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
 427
 428         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
 429
 430 2012-10-09  Ian Lance Taylor  <iant@google.com>
 431
 432         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
 433         (backtrace_dwarf_add): Likewise.
 434
 435 2012-10-09  Ian Lance Taylor  <iant@google.com>
 436
 437         Add support for tracing through shared libraries.
 438         * configure.ac: Check for link.h and dl_iterate_phdr.
 439         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
 440         ELF macros before #defining them.
 441         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
 442         dl_iterate_phdr.
 443         (struct elf_syminfo_data): Add next field.
 444         (elf_initialize_syminfo): Initialize next field.
 445         (elf_add_syminfo_data): New static function.
 446         (elf_add): New static function, broken out of
 447         backtrace_initialize.  Call backtrace_dwarf_add instead of
 448         backtrace_dwarf_initialize.
 449         (struct phdr_data): Define.
 450         (phdr_callback): New static function.
 451         (backtrace_initialize): Call elf_add.
 452         * dwarf.c (struct dwarf_data): Add next and base_address fields.
 453         (add_unit_addr): Add base_address parameter.  Change all callers.
 454         (add_unit_ranges, build_address_map): Likewise.
 455         (add_line): Add ddata parameter.  Change all callers.
 456         (read_line_program, add_function_range): Likewise.
 457         (dwarf_lookup_pc): New static function, broken out of
 458         dwarf_fileline.
 459         (dwarf_fileline): Call dwarf_lookup_pc.
 460         (build_dwarf_data): New static function.
 461         (backtrace_dwarf_add): New function.
 462         (backtrace_dwarf_initialize): Remove.
 463         * internal.h (backtrace_dwarf_initialize): Don't declare.
 464         (backtrace_dwarf_add): Declare.
 465         * configure, config.h.in: Rebuild.
 466
 467 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
 468
 469         * btest.c (f23): Avoid uninitialized variable warning.
 470
 471 2012-10-04  Ian Lance Taylor  <iant@google.com>
 472
 473         * dwarf.c: If the system header files do not declare strnlen,
 474         provide our own version.
 475
 476 2012-10-03  Ian Lance Taylor  <iant@google.com>
 477
 478         * dwarf.c (read_uleb128): Fix overflow test.
 479         (read_sleb128): Likewise.
 480         (build_address_map): Don't change unit_buf.start.
 481
 482 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 483
 484         PR other/54761
 485         * configure.ac (EXTRA_FLAGS): New.
 486         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
 487         * configure, Makefile.in: Regenerate.
 488
 489 2012-09-29  Ian Lance Taylor  <iant@google.com>
 490
 491         PR other/54749
 492         * fileline.c (fileline_initialize): Pass errnum as -1 when
 493         reporting that we could not read executable information after a
 494         previous failure.
 495
 496 2012-09-27  Ian Lance Taylor  <iant@google.com>
 497
 498         PR bootstrap/54732
 499         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
 500         * Makefile.am: Add dependencies for all objects.
 501         * configure, aclocal.m4, Makefile.in: Rebuild.
 502
 503 2012-09-27  Ian Lance Taylor  <iant@google.com>
 504
 505         PR other/54726
 506         * elf.c (backtrace_initialize): Set *fileln_fn, not
 507         state->fileln_fn.
 508
 509 2012-09-19  Ian Lance Taylor  <iant@google.com>
 510
 511         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
 512         as a target library.
 513         * configure: Rebuild.
 514
 515 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 516             Ian Lance Taylor  <iant@google.com>
 517
 518         * configure.ac (GCC_HEADER_STDINT): Invoke.
 519         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
 520         * btest.c: Don't include <stdint.h>.
 521         * dwarf.c: Likewise.
 522         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
 523
 524 2012-09-18  Ian Lance Taylor  <iant@google.com>
 525
 526         PR bootstrap/54623
 527         * Makefile.am (AM_CPPFLAGS): Define.
 528         (AM_CFLAGS): Remove -I options.
 529         * Makefile.in: Rebuild.
 530
 531 2012-09-18  Ian Lance Taylor  <iant@google.com>
 532
 533         * posix.c (O_BINARY): Define if not defined.
 534         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
 535         HAVE_FCNTL is defined.
 536         * configure.ac: Test for the fcntl function.
 537         * configure, config.h.in: Rebuild.
 538
 539 2012-09-18  Ian Lance Taylor  <iant@google.com>
 540
 541         * btest.c (test1, test2, test3, test4): Add the unused attribute.
 542
 543 2012-09-18  Ian Lance Taylor  <iant@google.com>
 544
 545         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
 546
 547 2012-09-18  Ian Lance Taylor  <iant@google.com>
 548
 549         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
 550         * mmapio.c: Don't define _GNU_SOURCE.
 551         * configure, config.h.in: Rebuild.
 552
 553 2012-09-18  Ian Lance Taylor  <iant@google.com>
 554
 555         * configure.ac: Check whether strnlen is declared.
 556         * dwarf.c: Declare strnlen if not declared.
 557         * configure, config.h.in: Rebuild.
 558
 559 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 560
 561         * fileline.c: Include <stdlib.h>.
 562         * mmap.c: Likewise.
 563
 564 2012-09-17  Ian Lance Taylor  <iant@google.com>
 565
 566         PR bootstrap/54611
 567         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
 568         parameter.
 569
 570 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
 571
 572         PR bootstrap/54611
 573         * nounwind.c (backtrace_simple): Add state parameter.
 574
 575 2012-09-17  Ian Lance Taylor  <iant@google.com>
 576
 577         PR bootstrap/54609
 578         * unknown.c (unknown_fileline): Add state parameter, remove
 579         fileline_data parameter, name error_callback parameter.
 580         (backtrace_initialize): Add state parameter.
 581
 582 2012-09-17  Ian Lance Taylor  <iant@google.com>
 583
 584         * Initial implementation.
 585 \f
 586 Copyright (C) 2012-2016 Free Software Foundation, Inc.
 587
 588 Copying and distribution of this file, with or without modification,
 589 are permitted in any medium without royalty provided the copyright
 590 notice and this notice are preserved.