libbacktrace/ChangeLog

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