libbacktrace/ChangeLog

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