libbacktrace/ChangeLog

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