libbacktrace/ChangeLog

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