libbacktrace/ChangeLog

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