libbacktrace/ChangeLog

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