libbacktrace/ChangeLog

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