libbacktrace/ChangeLog

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