libbacktrace/ChangeLog

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