libbacktrace/ChangeLog

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