libbacktrace/ChangeLog

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