libbacktrace/ChangeLog

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