libbacktrace/ChangeLog

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