libbacktrace/ChangeLog

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