libbacktrace/ChangeLog

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