libbacktrace/ChangeLog

   1 2019-12-08  Ian Lance Taylor  <iant@golang.org>
   2
   3         * dwarf.c (struct pcrange): Define.
   4         (update_pcrange, add_ranges): New static functions.
   5         (add_unit_addr): Change signature to work with add_ranges.  Don't
   6         add base_address here.
   7         (add_unit_ranges): Remove.
   8         (find_address_ranges): Replace str/ranges parameters with
   9         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
  10         callers.
  11         (add_function_range): Change signature to work with add_ranges.
  12         Don't add base_address here.
  13         (add_function_ranges): Remove.
  14         (read_function_entry): Use update_pcrange and add_ranges.
  15
  16 2019-12-04  Ian Lance Taylor  <iant@golang.org>
  17
  18         * edtest.c (test1): Add noclone attribute.
  19
  20 2019-12-04  Ian Lance Taylor  <iant@golang.org>
  21
  22         * internal.h (enum dwarf_section): Define.
  23         (struct dwarf_sections): Define.
  24         (backtrace_dwarf_add): Update declaration to replace specific
  25         section parameters with dwarf_sections parameter.
  26         * dwarf.c (struct dwarf_data): Replace specific section fields
  27         with dwarf_sections field.
  28         (read_attribute): Use dwarf_sections with altlink.
  29         (build_address_map): Replace specific section parameters with
  30         dwarf_sections parameter.  Change all callers.
  31         (read_line_info): Use dwarf_sections with ddata.
  32         (read_referenced_name): Likewise.
  33         (add_function_ranges): Likewise.
  34         (read_function_entry): Likewise.
  35         (read_function_info): Likewise.
  36         (build_dwarf_data): Replace specific section parameters with
  37         dwarf_sections parameter.  Change all callers.
  38         (backtrace_dwarf_add): Likewise.
  39         * elf.c (enum debug_section): Remove.
  40         (dwarf_section_names): Remove .zdebug names.
  41         (elf_add): Track zsections separately.  Build dwarf_sections.
  42         * pecoff.c (enum debug_section): Remove.
  43         (struct debug_section_info): Remove data field.
  44         (coff_add): Build dwarf_sections.
  45         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
  46         references with DEBUG_xxx references.
  47         (xcoff_add): Build dwarf_sections.
  48
  49 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
  50
  51         * configure: Regenerate.
  52
  53 2019-09-26  Ian Lance Taylor  <iant@golang.org>
  54
  55         PR libbacktrace/91908
  56         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
  57         __sync_bool_compare_and_swap to void.
  58         * xcoff.c (backtrace_initialize): Likewise.
  59
  60 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
  61
  62         * configure.ac: Remove references to spu.
  63         * configure: Regenerate.
  64
  65 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
  66
  67         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
  68         test_elf_64.
  69         * Makefile.in: Regenerate.
  70
  71 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  72
  73         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
  74         handling.
  75         * configure: Regenerate.
  76
  77 2019-03-11  Ian Lance Taylor  <iant@golang.org>
  78
  79         PR libbacktrace/89669
  80         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
  81         HAVE_ELF.
  82         * Makefile.in: Regenerate.
  83
  84 2019-02-26  Tom de Vries  <tdevries@suse.de>
  85
  86         * btest.c (test5): Allow global.* as minimal symbol name for global.
  87
  88 2019-02-26  Tom de Vries  <tdevries@suse.de>
  89
  90         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
  91         * Makefile.in: Regenerate.
  92
  93 2019-02-12  Tom de Vries  <tdevries@suse.de>
  94
  95         PR libbacktrace/81983
  96         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
  97
  98 2019-02-10  Tom de Vries  <tdevries@suse.de>
  99
 100         * Makefile.am (BUILDTESTS): Add btest_lto.
 101         * Makefile.in: Regenerate.
 102         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 103         __attribute__((noclone)).
 104
 105 2019-02-08  Tom de Vries  <tdevries@suse.de>
 106
 107         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 108         * print.c (backtrace_print): Same.
 109         * simple.c (backtrace_simple): Same.
 110
 111 2019-02-08  Tom de Vries  <tdevries@suse.de>
 112
 113         PR libbacktrace/78063
 114         * dwarf.c (build_address_map): Keep all parsed units.
 115         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 116
 117 2019-01-31  Tom de Vries  <tdevries@suse.de>
 118
 119         PR libbacktrace/89136
 120         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 121         'debugaltlink_name_len =+ 1'.
 122
 123 2019-01-29  Tom de Vries  <tdevries@suse.de>
 124
 125         * install-debuginfo-for-buildid.sh.in: New script.
 126         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 127         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 128         * Makefile.in: Regenerate.
 129         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 130         (READELF): Set with AC_CHECK_PROG.
 131         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 132         * configure: Regenerate.
 133         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 134         (elf_open_debugfile_by_buildid): ... here.
 135
 136 2019-01-29  Tom de Vries  <tdevries@suse.de>
 137
 138         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 139         allocfail.
 140         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 141         (check_PROGRAMS): Add BUILDTESTS.
 142         * Makefile.in: Regenerate.
 143
 144 2019-01-28  Tom de Vries  <tdevries@suse.de>
 145
 146         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 147         Use $< to access prerequisite.
 148         * Makefile.in: Regenerate.
 149
 150 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 151
 152         * elf.c (elf_add): Pass "" filename to recursive call with
 153         separated debug.
 154
 155 2019-01-25  Tom de Vries  <tdevries@suse.de>
 156
 157         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 158         filename == "".
 159         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 160         * Makefile.in: Regenerate.
 161
 162 2019-01-25  Tom de Vries  <tdevries@suse.de>
 163
 164         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 165         (TESTS): Rename dtest to btest_gnudebuglink.
 166         * Makefile.in: Regenerate.
 167
 168 2019-01-23  Tom de Vries  <tdevries@suse.de>
 169
 170         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 171         (units_search, find_unit): Use size_t for offset.
 172         (build_address_map): Use size_t for unit_offset.
 173
 174 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 175
 176         * allocfail.c (main): Increase portability of printf statement.
 177
 178 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 179
 180         PR libbacktrace/88890
 181         * mmapio.c (backtrace_get_view): Change size parameter to
 182         uint64_t.  Check that value fits in size_t.
 183         * read.c (backtrace_get_view): Likewise.
 184         * internal.h (backtrace_get_view): Update declaration.
 185         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 186
 187 2019-01-17  Tom de Vries  <tdevries@suse.de>
 188
 189         PR libbacktrace/82857
 190         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 191         (HAVE_DWZ): Set with AM_CONDITIONAL.
 192         * configure: Regenerate.
 193         * Makefile.am (TESTS): Add btest_dwz.
 194         * Makefile.in: Regenerate.
 195
 196 2019-01-17  Tom de Vries  <tdevries@suse.de>
 197
 198         PR libbacktrace/82857
 199         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 200         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 201         ATTR_VAL_REF_ALT_INFO.
 202         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 203
 204 2019-01-17  Tom de Vries  <tdevries@suse.de>
 205
 206         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 207         (struct unit_vector): New type.
 208         (struct dwarf_data): Add units and units_counts fields.
 209         (find_unit): New function.
 210         (find_address_ranges): Add and handle unit_tag parameter.
 211         (build_address_map): Add and handle units_vec parameter.
 212         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 213         units vector.
 214
 215 2019-01-17  Tom de Vries  <tdevries@suse.de>
 216
 217         PR libbacktrace/82857
 218         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 219         using altlink.
 220
 221 2019-01-17  Tom de Vries  <tdevries@suse.de>
 222
 223         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 224         (read_attribute): Add altlink parameter.  Handle missing altlink for
 225         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 226         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 227         handle altlink parameter.
 228         (read_referenced_name, read_function_entry): Add argument to
 229         read_attribute call.
 230
 231 2019-01-17  Tom de Vries  <tdevries@suse.de>
 232
 233         * dwarf.c (struct dwarf_data): Add altlink field.
 234         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 235         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 236         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 237         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 238         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 239         * xcoff.c (xcoff_add): Same.
 240
 241 2019-01-17  Tom de Vries  <tdevries@suse.de>
 242
 243         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 244         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 245         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 246         argument to backtrace_dwarf_add call.
 247         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 248         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 249         * xcoff.c (xcoff_add): Same.
 250
 251 2019-01-17  Tom de Vries  <tdevries@suse.de>
 252
 253         * elf.c (elf_add): Add and handle with_buildid_data and
 254         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 255         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 256
 257 2019-01-16  Tom de Vries  <tdevries@suse.de>
 258
 259         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 260         of ...
 261         (read_referenced_name): ... here, and ...
 262         (read_function_entry): ... here.
 263
 264 2019-01-16  Tom de Vries  <tdevries@suse.de>
 265
 266         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 267         name.
 268         (read_function_entry): Same.  Don't allow name found via
 269         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 270         name.
 271
 272 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 273
 274         PR other/16615
 275
 276         * backtrace.h: Mechanically replace "can not" with "cannot".
 277
 278 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 279
 280         Update copyright years.
 281
 282 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 283
 284         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 285         in sed pattern.
 286         * Makefile.in: Regenerate.
 287
 288 2018-12-28  Tom de Vries  <tdevries@suse.de>
 289
 290         * dwarf.c (build_address_map): Reuse unused units.
 291
 292 2018-12-28  Tom de Vries  <tdevries@suse.de>
 293
 294         * dwarf.c (build_address_map): Simplify by removing local variable
 295         abbrevs.
 296
 297 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 298             Tom de Vries  <tdevries@suse.de>
 299
 300         PR libbacktrace/88063
 301         * dwarf.c (free_unit_addrs_vector): Remove.
 302         (build_address_map): Keep track of allocated units in vector.  Free
 303         allocated units and corresponding abbrevs upon failure.  Remove now
 304         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 305         failure.  Free allocated unit vector.
 306
 307 2018-12-28  Tom de Vries  <tdevries@suse.de>
 308
 309         * dwarf.c (build_address_map): Free addrs vector upon failure.
 310
 311 2018-12-14  Tom de Vries  <tdevries@suse.de>
 312
 313         PR testsuite/88491
 314         * allocfail.sh: Remove "set -o pipefail".
 315
 316 2018-12-12  Tom de Vries  <tdevries@suse.de>
 317
 318         * Makefile.am (TESTS): Add allocfail.sh.
 319         (check_PROGRAMS): Add allocfail.
 320         * Makefile.in: Regenerate.
 321         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 322         Include alloc.c.
 323         * allocfail.c: New file.
 324         * allocfail.sh: New file.
 325
 326 2018-11-30  Tom de Vries  <tdevries@suse.de>
 327
 328         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 329         test_xcoff_64, test_pecoff and test_unknown.
 330         * Makefile.in: Regenerate.
 331         * test_format.c: New file.
 332
 333 2018-11-30  Tom de Vries  <tdevries@suse.de>
 334
 335         * Makefile.am : Add _with_alloc version for each test in
 336         check_PROGRAMS.
 337         * Makefile.in: Regenerate.
 338
 339 2018-11-30  Tom de Vries  <tdevries@suse.de>
 340
 341         * internal.h (backtrace_vector_free): New static inline fuction,
 342         factored out of ...
 343         * dwarf.c (read_line_info): ... here.
 344
 345 2018-11-28  Tom de Vries  <tdevries@suse.de>
 346
 347         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 348         failure.
 349
 350 2018-11-27  Tom de Vries  <tdevries@suse.de>
 351
 352         * mmap.c (backtrace_vector_release): Same.
 353         * unittest.c (test1): Add check.
 354
 355 2018-11-27  Tom de Vries  <tdevries@suse.de>
 356
 357         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 358         instead of realloc.
 359         * Makefile.am (check_PROGRAMS): Add unittest.
 360         * Makefile.in: Regenerate.
 361         * unittest.c: New file.
 362
 363 2018-11-22  Tom de Vries  <tdevries@suse.de>
 364
 365         * dwarf.c (read_initial_length): Factor out of ...
 366         (build_address_map, read_line_info): ... here.
 367
 368 2018-11-21  Tom de Vries  <tdevries@suse.de>
 369
 370         * dwarf.c (read_string): Factor out of ...
 371         (read_attribute, read_line_header, read_line_program): ... here.
 372
 373 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 374
 375         PR bootstrap/82856
 376         * Makefile.am: Include multilib.am.
 377         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 378         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 379
 380 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 381
 382         PR libbacktrace/87529
 383         * backtrace.h: Document that backtrace_create_state should be
 384         called only once.
 385
 386 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 387
 388         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 389         * Makefile.in: Regenerate.
 390         * config.h.in: Likewise.
 391         * configure: Likewise.
 392
 393 2018-08-01  Tony Reix  <tony.reix@atos.net>
 394
 395         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 396         (struct xcoff_func, struct xcoff_func_vector): New structs.
 397         (xcoff_syminfo): Drop leading dot from symbol name.
 398         (xcoff_line_compare, xcoff_line_search): Remove.
 399         (xcoff_func_compare, xcoff_func_search): New static functions.
 400         (xcoff_lookup_pc): Search function table.
 401         (xcoff_add_line, xcoff_process_linenos): Remove.
 402         (xcoff_initialize_fileline): Build function table.
 403
 404 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 405
 406         PR other/86198
 407         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 408         checking up to 36 bytes.
 409
 410 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 411
 412         * configure: Regenerated.
 413
 414 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 415
 416         * configure: Regenerated.
 417
 418 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 419
 420         * backtrace.c: Revert last two changes.  Don't call mmap
 421         directly.
 422
 423 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 424
 425         * backtrace.c: Include backtrace-supported.h before checking
 426         BACKTRACE_USES_MALLOC.
 427
 428 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 429
 430         * backtrace.c (backtrace_full): When testing whether we can
 431         allocate memory, call mmap directly, and munmap the memory.
 432
 433 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 434
 435         PR other/85161
 436         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 437         big endian, only use 32-bit loads if endianity macros are predefined
 438         and indicate big or little endian.
 439
 440 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 441
 442         PR target/84148
 443         * configure: Regenerate.
 444
 445 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 446
 447         PR other/82368
 448         * elf.c (SHT_PROGBITS): Undefine and define.
 449
 450 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 451
 452         PR other/82368
 453         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 454         (struct elf_ppc64_opd_data): New type.
 455         (elf_initialize_syminfo): Add opd argument, handle symbols
 456         pointing into the PowerPC64 ELFv1 .opd section.
 457         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 458         to structure with .opd data to elf_initialize_syminfo.
 459
 460 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 461
 462         * elf.c (elf_add): Close descriptor if we use a debugfile.
 463         * btest.c (check_open_files): New static function.
 464         (main): Call check_open_files.
 465
 466 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 467
 468         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 469         desired CRC is zero.
 470         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 471
 472 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 473
 474         * pecoff.c (coff_add): Only release syms_view if it is valid.
 475
 476 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 477
 478         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 479
 480 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 481
 482         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 483
 484 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 485
 486         PR other/68239
 487         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 488         on the free list.
 489
 490 2018-01-19  Tony Reix  <tony.reix@atos.net>
 491
 492         * xcoff.c (xcoff_incl_compare): New function.
 493         (xcoff_incl_search): New function.
 494         (xcoff_process_linenos): Use bsearch to find include file.
 495         (xcoff_initialize_fileline): Sort include file information.
 496
 497 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 498
 499         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 500         288.
 501         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 502         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 503         (elf_zlib_default_table): Update.
 504         (elf_zlib_default_dist_table): New static array.
 505         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 506         for block type 1.
 507         * ztest.c (struct zlib_test): Add uncompressed_len.
 508         (tests): Initialize uncompressed_len field.  Add new test case.
 509         (test_samples): Use uncompressed_len field.
 510
 511 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 512
 513         Update copyright years.
 514
 515 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 516
 517         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 518         * aclocal.m4: Regenerate.
 519         * Makefile.in: Likewise.
 520         * configure: Likewise.
 521
 522 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 523
 524         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 525         zlib uncompress function.
 526
 527 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 528
 529         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 530         Read a four byte integer.
 531         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 532         boundary before ever calling elf_zlib_fetch.
 533         * ztest.c (test_large): Simplify print statements a bit.
 534
 535 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 536
 537         * ztest.c: #include <errno.h>.
 538         (TEST_TIMING): Don't define, don't test.
 539         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 540         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 541         (ZLIB_CLOCK_GETTIME_ARG): Define.
 542         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 543         * Makefile.am: Likewise.
 544         * configure, Makefile.in: Rebuild.
 545
 546 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 547
 548         PR other/67165
 549         * Makefile.am: Append the content of clock_gettime_link to
 550         ztest_LDADD.
 551         * configure.ac: Test for the case that clock_gettime is in librt.
 552         * Makefile.in: Regenerate.
 553         * configure: Likewise.
 554
 555         PR other/67165
 556         * configure.ac: Check for clock_gettime.
 557         * config.h.in: Regenerate.
 558         * configure: Likewise.
 559         * ztest.c (average_time, test_large): Conditionalize test timing
 560         on clock_gettime availability.
 561
 562 2017-09-29  Tony Reix  <tony.reix@atos.net>
 563
 564         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 565         (STYP_DWARF, SSUBTYP_DW*): Define.
 566         (enum dwarf_section): Define.
 567         (struct dwsect_info): Define.
 568         (xcoff_add): Look for DWARF sections, pass them to
 569         backtrace_dwarf_add.
 570
 571 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 572
 573         PR other/67165
 574         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 575         (unlikely): Define.
 576         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 577         (b_elf_chdr): Define type.
 578         (enum debug_section): Add ZDEBUG_xxx values.
 579         (debug_section_names): Add names for new sections.
 580         (struct debug_section_info): Add compressed field.
 581         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 582         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 583         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 584         (HUFFMAN_SECONDARY_SHIFT): Define.
 585         (ZDEBUG_TABLE_SIZE): Define.
 586         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 587         (final_next_secondary): New static variable if
 588         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 589         (elf_zlib_inflate_table): New static function.
 590         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 591         function to produce fixed Huffman table.
 592         (elf_zlib_default_table): New static variable.
 593         (elf_zlib_inflate): New static function.
 594         (elf_zlib_verify_checksum): Likewise.
 595         (elf_zlib_inflate_and_verify): Likewise.
 596         (elf_uncompress_zdebug): Likewise.
 597         (elf_uncompress_chdr): Likewise.
 598         (backtrace_uncompress_zdebug): New extern function.
 599         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 600         sections, and uncompress them.
 601         * internal.h (backtrace_compress_zdebug): Declare.
 602         * ztest.c: New file.
 603         * configure.ac: Check for -lz and check whether the linker
 604         supports --compress-debug-sections.
 605         * Makefile.am (ztest_SOURCES): New variable.
 606         (ztest_CFLAGS, ztest_LDADD): New variables.
 607         (check_PROGRAMS): Add ztest.
 608         (ctestg_SOURCES): New variable.
 609         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 610         (ctesta_SOURCES): New variable.
 611         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 612         (check_PROGRAMS): Add ctestg and ctesta.
 613         * configure, config.h.in, Makefile.in: Rebuild.
 614
 615 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 616
 617         PR sanitizer/77631
 618         * configure.ac: Check for lstat and readlink.
 619         * elf.c (lstat, readlink): Provide dummy versions if real versions
 620         are not available.
 621         * configure, config.h.in: Rebuild.
 622
 623 2017-09-21  Ian Lance Taylor  <iant@google.com>
 624
 625         PR go/82284
 626         * elf.c (backtrace_initialize): Set pd.exe_filename.
 627
 628 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 629             Denis Khalikov  <d.khalikov@partner.samsung.com>
 630
 631         PR sanitizer/77631
 632         Support for external debug info.
 633         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 634         (S_ISLNK): Define if not defined.
 635         (xstrnlen): Define if strnlen is not available.
 636         (b_elf_note): Define type.
 637         (NT_GNU_BUILD_ID): Define macro.
 638         (elf_crc32, elf_crc32_file): New static functions.
 639         (elf_is_symlink, elf_readlink): New static functions.
 640         (elf_open_debugfile_by_buildid): New static function.
 641         (elf_try_debugfile): New static function.
 642         (elf_find_debugfile_by_debuglink): New static function.
 643         (elf_open_debugfile_by_debuglink): New static function.
 644         (elf_add): Add filename and debuginfo parameters.  Adjust all
 645         callers.  Look for external debug info notes, and try to fetch
 646         debug info from external file.
 647         (struct phdr_data): Add exe_filename field.
 648         (phdr_callback): Pass filename to elf_add.
 649         (backtrace_initialize): Add filename parameter.
 650         * internal.h (backtrace_initialize): Add filename parameter.
 651         * fileline.c (fileline_initialize): Pass filename to
 652         backtrace_initialize.
 653         * pecoff.c (fileline_initialize): Add unused filename parameter.
 654         * unknown.c (fileline_initialize): Likewise.
 655         * xcoff.c (fileline_initialize): Likewise.
 656         * configure.ac: Check for objcopy --add-gnu-debuglink.
 657         * Makefile.am (dtest): New test target.
 658         * configure, Makefile.in: Rebuild.
 659
 660 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 661
 662         PR other/81096
 663         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 664         * Makefile.in: Regenerate.
 665
 666 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 667
 668         PR other/81096
 669         * libbacktrace/Makefile.in
 670         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 671
 672 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 673
 674         PR bootstrap/81638
 675         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 676
 677 2017-07-28  Tony Reix  <tony.reix@atos.net>
 678
 679         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 680
 681 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 682
 683         * fileline.c (fileline_initialize): Print pid_t as long.
 684
 685 2017-07-26  Tony Reix  <tony.reix@atos.net>
 686
 687         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 688         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 689         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 690         * configure, config.h.in: Regenerate.
 691
 692 2017-07-21  Tony Reix  <tony.reix@atos.net>
 693
 694         * filetype.awk: Add AIX XCOFF type detection.
 695         * configure.ac: Recognize xcoff format.
 696         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 697         * fileline.c: Include <unistd.h>.
 698         (fileline_initialize): Add case for AIX procfs.
 699         * xcoff.c: New file.
 700         * configure, Makefile.in: Rebuild.
 701
 702 2017-06-21  Richard Biener  <rguenther@suse.de>
 703
 704         * configure.ac: Add AC_SYS_LARGEFILE.
 705         * config.h.in: Regenerate.
 706         * configure: Likewise.
 707
 708 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 709
 710         * elf.c (backtrace_initialize): Always set *fileline_fn.
 711         * ttest.c: New file.
 712         * btest.c: Move support functions into testlib.c.  Change calls to
 713         check to pass file name.
 714         * testlib.c: New file, copied from (part of) btest.c.
 715         * testlib.h: New file, declarations for testlib.c.
 716         * edtest.c: Use testlib.h and testlib.c.
 717         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 718         * Makefile.am (btest_SOURCES): Add testlib.c.
 719         (edtest_SOURCES): Likewise.
 720         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 721         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 722         * configure, Makefile.in: Rebuild.
 723
 724 2017-05-19  Than McIntosh  <thanm@google.com>
 725
 726         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 727         (read_line_header): Don't allocate dirs if dirs_count == 0.
 728         * edtest.c: New file.
 729         * edtest2.c: New file.
 730         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 731         (check_PROGRAMS): Add edtest.
 732         (edtest2_build.c, gen_edtest2_build): New targets.
 733         * Makefile.in: Rebuild.
 734
 735 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 736
 737         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 738         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 739
 740 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 741
 742         Update copyright years.
 743
 744 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 745
 746         * configure: Regenerate.
 747
 748 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 749
 750         * all: Remove meaningless trailing whitespace.
 751
 752 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 753
 754         PR target/71161
 755         * elf.c (phdr_callback) [__i386__]: Add
 756         __attribute__((__force_align_arg_pointer__)).
 757
 758 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 759
 760         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 761         avoid possible crash.
 762         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 763         missing debug info anymore.
 764
 765 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 766
 767         * mmap.c (MAP_FAILED): Define if not defined.
 768
 769 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 770
 771         Update copyright years.
 772
 773 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 774
 775         * configure.ac: Specify that DJGPP do not have mmap
 776         even when sys/mman.h exists.
 777         * configure: Regenerate
 778
 779 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 780
 781         PR libgfortran/68115
 782         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 783         * configure: Regenerate.
 784         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 785         to void.
 786
 787 2015-09-17  Ian Lance Taylor  <iant@google.com>
 788
 789         * posix.c (backtrace_open): Cast second argument of open() to int.
 790
 791 2015-09-11  Ian Lance Taylor  <iant@google.com>
 792
 793         * Makefile.am (backtrace.lo): Depend on internal.h.
 794         (sort.lo, stest.lo): Add explicit dependencies.
 795         * Makefile.in: Rebuild.
 796
 797 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 798
 799         * backtrace.c: #include <sys/types.h>.
 800
 801 2015-09-08  Ian Lance Taylor  <iant@google.com>
 802
 803         PR other/67457
 804         * backtrace.c: #include "internal.h".
 805         (struct backtrace_data): Add can_alloc field.
 806         (unwind): If can_alloc is false, don't try to get file/line
 807         information.
 808         (backtrace_full): Set can_alloc field in bdata.
 809         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 810         NULL.
 811         * mmap.c (backtrace_alloc): Likewise.
 812         * internal.h: Update comments for backtrace_alloc and
 813         backtrace_free.
 814
 815 2015-09-08  Ian Lance Taylor  <iant@google.com>
 816
 817         PR other/67457
 818         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 819
 820 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 821
 822         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 823         * configure: Regenerate.
 824
 825 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 826
 827         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 828         Remove setting PIC_FLAG when building as target library.
 829         * configure: Regenerate.
 830
 831 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 832
 833         * configure.ac: Only compile with -fPIC if the target
 834         supports it.
 835         * configure: Regenerate.
 836
 837 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 838
 839         * configure.ac: Set have_mmap to no on spu-*-* targets.
 840         * configure: Regenerate.
 841
 842 2015-08-13  Ian Lance Taylor  <iant@google.com>
 843
 844         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 845         Change all callers.
 846
 847 2015-06-11  Martin Sebor  <msebor@redhat.com>
 848
 849         PR sanitizer/65479
 850         * dwarf.c (struct line): Add new field idx.
 851         (line_compare): Use it.
 852         (add_line): Set it.
 853         (read_line_info): Reset it.
 854
 855 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 856
 857         * pecoff.c: New file.
 858         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 859         * Makefile.in: Regenerate.
 860         * filetype.awk: Detect pecoff.
 861         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 862         Add pecoff.
 863         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 864         true.
 865         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 866         * configure: Regenerate.
 867         * pecoff.c: New file.
 868
 869 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 870
 871         * Makefile.in: Regenerated with automake-1.11.6.
 872         * aclocal.m4: Likewise.
 873         * configure: Likewise.
 874
 875 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 876
 877         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 878         * configure: Regenerate.
 879
 880 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 881
 882         Update copyright years.
 883
 884 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 885
 886         PR bootstrap/63784
 887         * configure: Regenerated.
 888
 889 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 890
 891         * ChangeLog.jit: New.
 892
 893 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 894
 895         PR target/63610
 896         * configure: Regenerate.
 897
 898 2014-10-23  Ian Lance Taylor  <iant@google.com>
 899
 900         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 901         Fix to return void *.
 902
 903 2014-05-08  Ian Lance Taylor  <iant@google.com>
 904
 905         * mmap.c (backtrace_free): If freeing a large aligned block of
 906         memory, call munmap rather than holding onto it.
 907         (backtrace_vector_grow): When growing a vector, double the number
 908         of pages requested.  When releasing the old version of a grown
 909         vector, pass the correct size to backtrace_free.
 910
 911 2014-03-07  Ian Lance Taylor  <iant@google.com>
 912
 913         * sort.c (backtrace_qsort): Use middle element as pivot.
 914
 915 2014-03-06  Ian Lance Taylor  <iant@google.com>
 916
 917         * sort.c: New file.
 918         * stest.c: New file.
 919         * internal.h (backtrace_qsort): Declare.
 920         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 921         (read_line_info, read_function_entry): Likewise.
 922         (read_function_info, build_dwarf_data): Likewise.
 923         * elf.c (elf_initialize_syminfo): Likewise.
 924         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 925         (stest_SOURCES, stest_LDADD): Define.
 926         (check_PROGRAMS): Add stest.
 927
 928 2014-02-07  Misty De Meo  <misty@brew.sh>
 929
 930         PR target/58710
 931         * configure.ac: Use AC_LINK_IFELSE in check for
 932         _Unwind_GetIPInfo.
 933         * configure: Regenerate.
 934
 935 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 936
 937         Update copyright years
 938
 939 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 940
 941         * elf.c (ET_DYN): Undefine and define again.
 942         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 943         return early -1 without closing the descriptor.
 944         (struct phdr_data): Add exe_descriptor.
 945         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 946         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 947         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 948         call to elf_add.
 949         (backtrace_initialize): Adjust call to elf_add.  If it returns
 950         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 951
 952 2013-12-05  Ian Lance Taylor  <iant@google.com>
 953
 954         * alloc.c (backtrace_vector_finish): Add error_callback and data
 955         parameters.  Call backtrace_vector_release.  Return address base.
 956         * mmap.c (backtrace_vector_finish): Add error_callback and data
 957         parameters.  Return address base.
 958         * dwarf.c (read_function_info): Get new address base from
 959         backtrace_vector_finish.
 960         * internal.h (backtrace_vector_finish): Update declaration.
 961
 962 2013-11-27  Ian Lance Taylor  <iant@google.com>
 963
 964         * dwarf.c (find_address_ranges): New static function, broken out
 965         of build_address_map.
 966         (build_address_map): Call it.
 967         * btest.c (check): Check for missing filename or function, rather
 968         than crashing.
 969         (f3): Check that enough frames were returned.
 970
 971 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 972
 973         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 974         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 975         last argument.
 976         * btest.c (struct symdata): Add size field.
 977         (callback_three): Add symsize argument.  Copy it to the data->size
 978         field.
 979         (f23): Set symdata.size to 0.
 980         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 981         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 982         values.
 983
 984         * atomic.c: Include sys/types.h.
 985
 986 2013-11-18  Ian Lance Taylor  <iant@google.com>
 987
 988         * configure.ac: Check for support of __atomic extensions.
 989         * internal.h: Declare or #define atomic functions for use in
 990         backtrace code.
 991         * atomic.c: New file.
 992         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 993         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 994         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 995         (backtrace_initialize): Likewise.
 996         * fileline.c (fileline_initialize): Likewise.
 997         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 998         * configure, config.h.in, Makefile.in: Rebuild.
 999
1000 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1001
1002         * elf.c (SHN_UNDEF): Define.
1003         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1004         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1005         (elf_add): Adjust caller.
1006
1007         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1008
1009 2013-11-16  Ian Lance Taylor  <iant@google.com>
1010
1011         * backtrace.h (backtrace_create_state): Correct comment about
1012         threading.
1013
1014 2013-11-15  Ian Lance Taylor  <iant@google.com>
1015
1016         * backtrace.h (backtrace_syminfo): Update comment and parameter
1017         name to take any address, not just a PC value.
1018         * elf.c (STT_OBJECT): Define.
1019         (elf_nosyms): Rename parameter pc to addr.
1020         (elf_symbol_search): Rename local variable pc to addr.
1021         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1022         (elf_syminfo): Rename parameter pc to addr.
1023         * btest.c (global): New global variable.
1024         (test5): New test.
1025         (main): Call test5.
1026
1027 2013-10-17  Ian Lance Taylor  <iant@google.com>
1028
1029         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1030         is missing.
1031
1032 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1033
1034         * configure.ac: Add --enable-host-shared, setting up
1035         pre-existing PIC_FLAG variable within Makefile.am et al.
1036         * configure: Regenerate.
1037
1038 2013-09-20  Alan Modra  <amodra@gmail.com>
1039
1040         * configure: Regenerate.
1041
1042 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1043
1044         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1045
1046 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1047
1048         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1049         dl_iterate_phdr callbacks.
1050
1051 2013-03-25  Ian Lance Taylor  <iant@google.com>
1052
1053         * alloc.c: #include <sys/types.h>.
1054         * mmap.c: Likewise.
1055
1056 2013-01-31  Ian Lance Taylor  <iant@google.com>
1057
1058         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1059         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1060
1061 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1062
1063         PR other/56076
1064         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1065         attribute was not seen.
1066
1067 2013-01-16  Ian Lance Taylor  <iant@google.com>
1068
1069         * dwarf.c (struct unit): Add filename and abs_filename fields.
1070         (build_address_map): Set new fields when reading unit.
1071         (dwarf_lookup_pc): If we don't find an entry in the line table,
1072         just return the main file name.
1073
1074 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1075
1076         Update copyright years.
1077
1078 2013-01-01  Ian Lance Taylor  <iant@google.com>
1079
1080         PR bootstrap/54834
1081         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1082         $(MULTIBUILDTOP)/../../gcc/include.
1083         * Makefile.in: Rebuild.
1084
1085 2013-01-01  Ian Lance Taylor  <iant@google.com>
1086
1087         PR other/55536
1088         * mmap.c (backtrace_alloc): Don't call sync functions if not
1089         threaded.
1090         (backtrace_free): Likewise.
1091
1092 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1093
1094         * mmapio.c: Define MAP_FAILED if not defined.
1095
1096 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1097
1098         PR bootstrap/54926
1099         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1100         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1101         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1102         accepts it.
1103         * Makefile.in: Regenerated.
1104         * configure: Regenerated.
1105
1106 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR bootstrap/54926
1109         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1110         * Makefile.in: Regenerated.
1111
1112 2012-11-20  Ian Lance Taylor  <iant@google.com>
1113
1114         * dwarf.c (read_attribute): Always clear val.
1115
1116 2012-11-13  Ian Lance Taylor  <iant@google.com>
1117
1118         PR other/55312
1119         * configure.ac: Only add -Werror if building a target library.
1120         * configure: Rebuild.
1121
1122 2012-11-12  Ian Lance Taylor  <iant@google.com>
1123             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1124             Gerald Pfeifer  <gerald@pfeifer.com>
1125
1126         * configure.ac: Check for getexecname.
1127         * fileline.c: #include <errno.h>.  Define getexecname if not
1128         available.
1129         (fileline_initialize): Try to find the executable in a few
1130         different ways.
1131         * print.c (error_callback): Only print the filename if it came
1132         from the backtrace state.
1133         * configure, config.h.in: Rebuild.
1134
1135 2012-10-29  Ian Lance Taylor  <iant@google.com>
1136
1137         * mmap.c (backtrace_vector_release): Correct last patch: add
1138         aligned, not size.
1139
1140 2012-10-29  Ian Lance Taylor  <iant@google.com>
1141
1142         * mmap.c (backtrace_vector_release): Make sure freed block is
1143         aligned on 8-byte boundary.
1144
1145 2012-10-26  Ian Lance Taylor  <iant@google.com>
1146
1147         PR other/55087
1148         * posix.c (backtrace_open): Add does_not_exist parameter.
1149         * elf.c (phdr_callback): Do not warn if shared library could not
1150         be opened.
1151         * fileline.c (fileline_initialize): Update calls to
1152         backtrace_open.
1153         * internal.h (backtrace_open): Update declaration.
1154
1155 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1156
1157         PR target/55061
1158         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1159         * configure: Regenerate.
1160
1161 2012-10-24  Ian Lance Taylor  <iant@google.com>
1162
1163         PR target/55061
1164         * configure.ac: Check whether -funwind-tables option works.
1165         * configure: Rebuild.
1166
1167 2012-10-11  Ian Lance Taylor  <iant@google.com>
1168
1169         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1170         * configure: Rebuild.
1171
1172 2012-10-10  Ian Lance Taylor  <iant@google.com>
1173
1174         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1175         lower case.
1176
1177 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1178
1179         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1180
1181 2012-10-09  Ian Lance Taylor  <iant@google.com>
1182
1183         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1184         (backtrace_dwarf_add): Likewise.
1185
1186 2012-10-09  Ian Lance Taylor  <iant@google.com>
1187
1188         Add support for tracing through shared libraries.
1189         * configure.ac: Check for link.h and dl_iterate_phdr.
1190         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1191         ELF macros before #defining them.
1192         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1193         dl_iterate_phdr.
1194         (struct elf_syminfo_data): Add next field.
1195         (elf_initialize_syminfo): Initialize next field.
1196         (elf_add_syminfo_data): New static function.
1197         (elf_add): New static function, broken out of
1198         backtrace_initialize.  Call backtrace_dwarf_add instead of
1199         backtrace_dwarf_initialize.
1200         (struct phdr_data): Define.
1201         (phdr_callback): New static function.
1202         (backtrace_initialize): Call elf_add.
1203         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1204         (add_unit_addr): Add base_address parameter.  Change all callers.
1205         (add_unit_ranges, build_address_map): Likewise.
1206         (add_line): Add ddata parameter.  Change all callers.
1207         (read_line_program, add_function_range): Likewise.
1208         (dwarf_lookup_pc): New static function, broken out of
1209         dwarf_fileline.
1210         (dwarf_fileline): Call dwarf_lookup_pc.
1211         (build_dwarf_data): New static function.
1212         (backtrace_dwarf_add): New function.
1213         (backtrace_dwarf_initialize): Remove.
1214         * internal.h (backtrace_dwarf_initialize): Don't declare.
1215         (backtrace_dwarf_add): Declare.
1216         * configure, config.h.in: Rebuild.
1217
1218 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1219
1220         * btest.c (f23): Avoid uninitialized variable warning.
1221
1222 2012-10-04  Ian Lance Taylor  <iant@google.com>
1223
1224         * dwarf.c: If the system header files do not declare strnlen,
1225         provide our own version.
1226
1227 2012-10-03  Ian Lance Taylor  <iant@google.com>
1228
1229         * dwarf.c (read_uleb128): Fix overflow test.
1230         (read_sleb128): Likewise.
1231         (build_address_map): Don't change unit_buf.start.
1232
1233 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         PR other/54761
1236         * configure.ac (EXTRA_FLAGS): New.
1237         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1238         * configure, Makefile.in: Regenerate.
1239
1240 2012-09-29  Ian Lance Taylor  <iant@google.com>
1241
1242         PR other/54749
1243         * fileline.c (fileline_initialize): Pass errnum as -1 when
1244         reporting that we could not read executable information after a
1245         previous failure.
1246
1247 2012-09-27  Ian Lance Taylor  <iant@google.com>
1248
1249         PR bootstrap/54732
1250         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1251         * Makefile.am: Add dependencies for all objects.
1252         * configure, aclocal.m4, Makefile.in: Rebuild.
1253
1254 2012-09-27  Ian Lance Taylor  <iant@google.com>
1255
1256         PR other/54726
1257         * elf.c (backtrace_initialize): Set *fileln_fn, not
1258         state->fileln_fn.
1259
1260 2012-09-19  Ian Lance Taylor  <iant@google.com>
1261
1262         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1263         as a target library.
1264         * configure: Rebuild.
1265
1266 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1267             Ian Lance Taylor  <iant@google.com>
1268
1269         * configure.ac (GCC_HEADER_STDINT): Invoke.
1270         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1271         * btest.c: Don't include <stdint.h>.
1272         * dwarf.c: Likewise.
1273         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1274
1275 2012-09-18  Ian Lance Taylor  <iant@google.com>
1276
1277         PR bootstrap/54623
1278         * Makefile.am (AM_CPPFLAGS): Define.
1279         (AM_CFLAGS): Remove -I options.
1280         * Makefile.in: Rebuild.
1281
1282 2012-09-18  Ian Lance Taylor  <iant@google.com>
1283
1284         * posix.c (O_BINARY): Define if not defined.
1285         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1286         HAVE_FCNTL is defined.
1287         * configure.ac: Test for the fcntl function.
1288         * configure, config.h.in: Rebuild.
1289
1290 2012-09-18  Ian Lance Taylor  <iant@google.com>
1291
1292         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1293
1294 2012-09-18  Ian Lance Taylor  <iant@google.com>
1295
1296         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1297
1298 2012-09-18  Ian Lance Taylor  <iant@google.com>
1299
1300         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1301         * mmapio.c: Don't define _GNU_SOURCE.
1302         * configure, config.h.in: Rebuild.
1303
1304 2012-09-18  Ian Lance Taylor  <iant@google.com>
1305
1306         * configure.ac: Check whether strnlen is declared.
1307         * dwarf.c: Declare strnlen if not declared.
1308         * configure, config.h.in: Rebuild.
1309
1310 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1311
1312         * fileline.c: Include <stdlib.h>.
1313         * mmap.c: Likewise.
1314
1315 2012-09-17  Ian Lance Taylor  <iant@google.com>
1316
1317         PR bootstrap/54611
1318         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1319         parameter.
1320
1321 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1322
1323         PR bootstrap/54611
1324         * nounwind.c (backtrace_simple): Add state parameter.
1325
1326 2012-09-17  Ian Lance Taylor  <iant@google.com>
1327
1328         PR bootstrap/54609
1329         * unknown.c (unknown_fileline): Add state parameter, remove
1330         fileline_data parameter, name error_callback parameter.
1331         (backtrace_initialize): Add state parameter.
1332
1333 2012-09-17  Ian Lance Taylor  <iant@google.com>
1334
1335         * Initial implementation.
1336 \f
1337 Copyright (C) 2012-2019 Free Software Foundation, Inc.
1338
1339 Copying and distribution of this file, with or without modification,
1340 are permitted in any medium without royalty provided the copyright
1341 notice and this notice are preserved.