libbacktrace/ChangeLog

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