libbacktrace/ChangeLog

   1 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
   2
   3         Update copyright years.
   4
   5 2019-12-13  Ian Lance Taylor  <iant@golang.org>
   6
   7         Add DWARF 5 support.
   8         * dwarf.c (struct attr): Add val field.
   9         (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
  10         ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
  11         (struct line_header): Add addrsize field.
  12         (struct line_header_format): Define.
  13         (struct unit): Add str_offsets_base, addr_base, and rnglists_base
  14         fields.
  15         (read_uint24): New static function.
  16         (read_attribute): Add implicit_val parameter.  Replace dwarf_str
  17         and dwarf_str_size parameters with dwarf_sections parameter.  Add
  18         support for new DWARF 5 forms.  Change all callers.
  19         (resolve_string): New static function.
  20         (resolve_addr_index): Likewise.
  21         (read_abbrevs): Support DW_FORM_implicit_const.
  22         (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
  23         and ranges_is_index fields.
  24         (update_pcrange): Support DWARF 5 encodings.
  25         (add_high_low_range): New static function, split out of
  26         add_ranges.
  27         (add_ranges_from_ranges): Likewise.
  28         (add_ranges_from_rnglists): New static function.
  29         (add_ranges): Just call new helper functions.
  30         (find_address_ranges): Use resolve_string for strings, after
  31         reading all attributes.  Handle new DWARF 5 attributes.
  32         (build_address_map): Support DWARF 5 compilation units.
  33         (read_v2_paths): New static function, split out of
  34         read_line_header.
  35         (read_lnct): New static function.
  36         (read_line_header_format_entries): Likewise.
  37         (read_line_header): Add ddata parameter.  Support DWARF 5 line
  38         headers.  Call new helper functions.  Change all callers.
  39         (read_line_program): Use addrsize from line program header.  Don't
  40         special case directory index 0 for DWARF 5.
  41         (read_referenced_name): Use resolve_string.
  42         (read_function_entry): Handle DWARF 5 encodings.  Use
  43         resolve_string.
  44         * internal.h (enum dwarf_section): Add DEBUG_ADDR,
  45         DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
  46         * elf.c (dwarf_section_names): Add new section names.
  47         * pecoff.c (dwarf_section_names): Likewise.
  48         * xcoff.c (xcoff_add): Clear dwarf_sections before setting
  49         fields.
  50         * configure.ac: Define HAVE_DWARF5 automake conditional.
  51         * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
  52         (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
  53         (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
  54         (dwarf5_alloc_LDADD): Likewise.
  55         (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
  56         (CLEANFILES, clean-local): Define.
  57
  58 2019-12-08  Ian Lance Taylor  <iant@golang.org>
  59
  60         * dwarf.c (struct pcrange): Define.
  61         (update_pcrange, add_ranges): New static functions.
  62         (add_unit_addr): Change signature to work with add_ranges.  Don't
  63         add base_address here.
  64         (add_unit_ranges): Remove.
  65         (find_address_ranges): Replace str/ranges parameters with
  66         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
  67         callers.
  68         (add_function_range): Change signature to work with add_ranges.
  69         Don't add base_address here.
  70         (add_function_ranges): Remove.
  71         (read_function_entry): Use update_pcrange and add_ranges.
  72
  73 2019-12-04  Ian Lance Taylor  <iant@golang.org>
  74
  75         * edtest.c (test1): Add noclone attribute.
  76
  77 2019-12-04  Ian Lance Taylor  <iant@golang.org>
  78
  79         * internal.h (enum dwarf_section): Define.
  80         (struct dwarf_sections): Define.
  81         (backtrace_dwarf_add): Update declaration to replace specific
  82         section parameters with dwarf_sections parameter.
  83         * dwarf.c (struct dwarf_data): Replace specific section fields
  84         with dwarf_sections field.
  85         (read_attribute): Use dwarf_sections with altlink.
  86         (build_address_map): Replace specific section parameters with
  87         dwarf_sections parameter.  Change all callers.
  88         (read_line_info): Use dwarf_sections with ddata.
  89         (read_referenced_name): Likewise.
  90         (add_function_ranges): Likewise.
  91         (read_function_entry): Likewise.
  92         (read_function_info): Likewise.
  93         (build_dwarf_data): Replace specific section parameters with
  94         dwarf_sections parameter.  Change all callers.
  95         (backtrace_dwarf_add): Likewise.
  96         * elf.c (enum debug_section): Remove.
  97         (dwarf_section_names): Remove .zdebug names.
  98         (elf_add): Track zsections separately.  Build dwarf_sections.
  99         * pecoff.c (enum debug_section): Remove.
 100         (struct debug_section_info): Remove data field.
 101         (coff_add): Build dwarf_sections.
 102         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
 103         references with DEBUG_xxx references.
 104         (xcoff_add): Build dwarf_sections.
 105
 106 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 107
 108         * configure: Regenerate.
 109
 110 2019-09-26  Ian Lance Taylor  <iant@golang.org>
 111
 112         PR libbacktrace/91908
 113         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
 114         __sync_bool_compare_and_swap to void.
 115         * xcoff.c (backtrace_initialize): Likewise.
 116
 117 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 118
 119         * configure.ac: Remove references to spu.
 120         * configure: Regenerate.
 121
 122 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
 123
 124         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
 125         test_elf_64.
 126         * Makefile.in: Regenerate.
 127
 128 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 129
 130         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
 131         handling.
 132         * configure: Regenerate.
 133
 134 2019-03-11  Ian Lance Taylor  <iant@golang.org>
 135
 136         PR libbacktrace/89669
 137         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
 138         HAVE_ELF.
 139         * Makefile.in: Regenerate.
 140
 141 2019-02-26  Tom de Vries  <tdevries@suse.de>
 142
 143         * btest.c (test5): Allow global.* as minimal symbol name for global.
 144
 145 2019-02-26  Tom de Vries  <tdevries@suse.de>
 146
 147         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
 148         * Makefile.in: Regenerate.
 149
 150 2019-02-12  Tom de Vries  <tdevries@suse.de>
 151
 152         PR libbacktrace/81983
 153         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
 154
 155 2019-02-10  Tom de Vries  <tdevries@suse.de>
 156
 157         * Makefile.am (BUILDTESTS): Add btest_lto.
 158         * Makefile.in: Regenerate.
 159         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 160         __attribute__((noclone)).
 161
 162 2019-02-08  Tom de Vries  <tdevries@suse.de>
 163
 164         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 165         * print.c (backtrace_print): Same.
 166         * simple.c (backtrace_simple): Same.
 167
 168 2019-02-08  Tom de Vries  <tdevries@suse.de>
 169
 170         PR libbacktrace/78063
 171         * dwarf.c (build_address_map): Keep all parsed units.
 172         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 173
 174 2019-01-31  Tom de Vries  <tdevries@suse.de>
 175
 176         PR libbacktrace/89136
 177         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 178         'debugaltlink_name_len =+ 1'.
 179
 180 2019-01-29  Tom de Vries  <tdevries@suse.de>
 181
 182         * install-debuginfo-for-buildid.sh.in: New script.
 183         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 184         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 185         * Makefile.in: Regenerate.
 186         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 187         (READELF): Set with AC_CHECK_PROG.
 188         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 189         * configure: Regenerate.
 190         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 191         (elf_open_debugfile_by_buildid): ... here.
 192
 193 2019-01-29  Tom de Vries  <tdevries@suse.de>
 194
 195         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 196         allocfail.
 197         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 198         (check_PROGRAMS): Add BUILDTESTS.
 199         * Makefile.in: Regenerate.
 200
 201 2019-01-28  Tom de Vries  <tdevries@suse.de>
 202
 203         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 204         Use $< to access prerequisite.
 205         * Makefile.in: Regenerate.
 206
 207 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 208
 209         * elf.c (elf_add): Pass "" filename to recursive call with
 210         separated debug.
 211
 212 2019-01-25  Tom de Vries  <tdevries@suse.de>
 213
 214         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 215         filename == "".
 216         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 217         * Makefile.in: Regenerate.
 218
 219 2019-01-25  Tom de Vries  <tdevries@suse.de>
 220
 221         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 222         (TESTS): Rename dtest to btest_gnudebuglink.
 223         * Makefile.in: Regenerate.
 224
 225 2019-01-23  Tom de Vries  <tdevries@suse.de>
 226
 227         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 228         (units_search, find_unit): Use size_t for offset.
 229         (build_address_map): Use size_t for unit_offset.
 230
 231 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 232
 233         * allocfail.c (main): Increase portability of printf statement.
 234
 235 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 236
 237         PR libbacktrace/88890
 238         * mmapio.c (backtrace_get_view): Change size parameter to
 239         uint64_t.  Check that value fits in size_t.
 240         * read.c (backtrace_get_view): Likewise.
 241         * internal.h (backtrace_get_view): Update declaration.
 242         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 243
 244 2019-01-17  Tom de Vries  <tdevries@suse.de>
 245
 246         PR libbacktrace/82857
 247         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 248         (HAVE_DWZ): Set with AM_CONDITIONAL.
 249         * configure: Regenerate.
 250         * Makefile.am (TESTS): Add btest_dwz.
 251         * Makefile.in: Regenerate.
 252
 253 2019-01-17  Tom de Vries  <tdevries@suse.de>
 254
 255         PR libbacktrace/82857
 256         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 257         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 258         ATTR_VAL_REF_ALT_INFO.
 259         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 260
 261 2019-01-17  Tom de Vries  <tdevries@suse.de>
 262
 263         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 264         (struct unit_vector): New type.
 265         (struct dwarf_data): Add units and units_counts fields.
 266         (find_unit): New function.
 267         (find_address_ranges): Add and handle unit_tag parameter.
 268         (build_address_map): Add and handle units_vec parameter.
 269         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 270         units vector.
 271
 272 2019-01-17  Tom de Vries  <tdevries@suse.de>
 273
 274         PR libbacktrace/82857
 275         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 276         using altlink.
 277
 278 2019-01-17  Tom de Vries  <tdevries@suse.de>
 279
 280         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 281         (read_attribute): Add altlink parameter.  Handle missing altlink for
 282         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 283         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 284         handle altlink parameter.
 285         (read_referenced_name, read_function_entry): Add argument to
 286         read_attribute call.
 287
 288 2019-01-17  Tom de Vries  <tdevries@suse.de>
 289
 290         * dwarf.c (struct dwarf_data): Add altlink field.
 291         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 292         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 293         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 294         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 295         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 296         * xcoff.c (xcoff_add): Same.
 297
 298 2019-01-17  Tom de Vries  <tdevries@suse.de>
 299
 300         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 301         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 302         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 303         argument to backtrace_dwarf_add call.
 304         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 305         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 306         * xcoff.c (xcoff_add): Same.
 307
 308 2019-01-17  Tom de Vries  <tdevries@suse.de>
 309
 310         * elf.c (elf_add): Add and handle with_buildid_data and
 311         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 312         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 313
 314 2019-01-16  Tom de Vries  <tdevries@suse.de>
 315
 316         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 317         of ...
 318         (read_referenced_name): ... here, and ...
 319         (read_function_entry): ... here.
 320
 321 2019-01-16  Tom de Vries  <tdevries@suse.de>
 322
 323         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 324         name.
 325         (read_function_entry): Same.  Don't allow name found via
 326         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 327         name.
 328
 329 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 330
 331         PR other/16615
 332
 333         * backtrace.h: Mechanically replace "can not" with "cannot".
 334
 335 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 336
 337         Update copyright years.
 338
 339 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 340
 341         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 342         in sed pattern.
 343         * Makefile.in: Regenerate.
 344
 345 2018-12-28  Tom de Vries  <tdevries@suse.de>
 346
 347         * dwarf.c (build_address_map): Reuse unused units.
 348
 349 2018-12-28  Tom de Vries  <tdevries@suse.de>
 350
 351         * dwarf.c (build_address_map): Simplify by removing local variable
 352         abbrevs.
 353
 354 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 355             Tom de Vries  <tdevries@suse.de>
 356
 357         PR libbacktrace/88063
 358         * dwarf.c (free_unit_addrs_vector): Remove.
 359         (build_address_map): Keep track of allocated units in vector.  Free
 360         allocated units and corresponding abbrevs upon failure.  Remove now
 361         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 362         failure.  Free allocated unit vector.
 363
 364 2018-12-28  Tom de Vries  <tdevries@suse.de>
 365
 366         * dwarf.c (build_address_map): Free addrs vector upon failure.
 367
 368 2018-12-14  Tom de Vries  <tdevries@suse.de>
 369
 370         PR testsuite/88491
 371         * allocfail.sh: Remove "set -o pipefail".
 372
 373 2018-12-12  Tom de Vries  <tdevries@suse.de>
 374
 375         * Makefile.am (TESTS): Add allocfail.sh.
 376         (check_PROGRAMS): Add allocfail.
 377         * Makefile.in: Regenerate.
 378         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 379         Include alloc.c.
 380         * allocfail.c: New file.
 381         * allocfail.sh: New file.
 382
 383 2018-11-30  Tom de Vries  <tdevries@suse.de>
 384
 385         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 386         test_xcoff_64, test_pecoff and test_unknown.
 387         * Makefile.in: Regenerate.
 388         * test_format.c: New file.
 389
 390 2018-11-30  Tom de Vries  <tdevries@suse.de>
 391
 392         * Makefile.am : Add _with_alloc version for each test in
 393         check_PROGRAMS.
 394         * Makefile.in: Regenerate.
 395
 396 2018-11-30  Tom de Vries  <tdevries@suse.de>
 397
 398         * internal.h (backtrace_vector_free): New static inline fuction,
 399         factored out of ...
 400         * dwarf.c (read_line_info): ... here.
 401
 402 2018-11-28  Tom de Vries  <tdevries@suse.de>
 403
 404         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 405         failure.
 406
 407 2018-11-27  Tom de Vries  <tdevries@suse.de>
 408
 409         * mmap.c (backtrace_vector_release): Same.
 410         * unittest.c (test1): Add check.
 411
 412 2018-11-27  Tom de Vries  <tdevries@suse.de>
 413
 414         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 415         instead of realloc.
 416         * Makefile.am (check_PROGRAMS): Add unittest.
 417         * Makefile.in: Regenerate.
 418         * unittest.c: New file.
 419
 420 2018-11-22  Tom de Vries  <tdevries@suse.de>
 421
 422         * dwarf.c (read_initial_length): Factor out of ...
 423         (build_address_map, read_line_info): ... here.
 424
 425 2018-11-21  Tom de Vries  <tdevries@suse.de>
 426
 427         * dwarf.c (read_string): Factor out of ...
 428         (read_attribute, read_line_header, read_line_program): ... here.
 429
 430 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 431
 432         PR bootstrap/82856
 433         * Makefile.am: Include multilib.am.
 434         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 435         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 436
 437 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 438
 439         PR libbacktrace/87529
 440         * backtrace.h: Document that backtrace_create_state should be
 441         called only once.
 442
 443 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 444
 445         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 446         * Makefile.in: Regenerate.
 447         * config.h.in: Likewise.
 448         * configure: Likewise.
 449
 450 2018-08-01  Tony Reix  <tony.reix@atos.net>
 451
 452         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 453         (struct xcoff_func, struct xcoff_func_vector): New structs.
 454         (xcoff_syminfo): Drop leading dot from symbol name.
 455         (xcoff_line_compare, xcoff_line_search): Remove.
 456         (xcoff_func_compare, xcoff_func_search): New static functions.
 457         (xcoff_lookup_pc): Search function table.
 458         (xcoff_add_line, xcoff_process_linenos): Remove.
 459         (xcoff_initialize_fileline): Build function table.
 460
 461 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 462
 463         PR other/86198
 464         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 465         checking up to 36 bytes.
 466
 467 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 468
 469         * configure: Regenerated.
 470
 471 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 472
 473         * configure: Regenerated.
 474
 475 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 476
 477         * backtrace.c: Revert last two changes.  Don't call mmap
 478         directly.
 479
 480 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 481
 482         * backtrace.c: Include backtrace-supported.h before checking
 483         BACKTRACE_USES_MALLOC.
 484
 485 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 486
 487         * backtrace.c (backtrace_full): When testing whether we can
 488         allocate memory, call mmap directly, and munmap the memory.
 489
 490 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 491
 492         PR other/85161
 493         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 494         big endian, only use 32-bit loads if endianity macros are predefined
 495         and indicate big or little endian.
 496
 497 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 498
 499         PR target/84148
 500         * configure: Regenerate.
 501
 502 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 503
 504         PR other/82368
 505         * elf.c (SHT_PROGBITS): Undefine and define.
 506
 507 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 508
 509         PR other/82368
 510         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 511         (struct elf_ppc64_opd_data): New type.
 512         (elf_initialize_syminfo): Add opd argument, handle symbols
 513         pointing into the PowerPC64 ELFv1 .opd section.
 514         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 515         to structure with .opd data to elf_initialize_syminfo.
 516
 517 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 518
 519         * elf.c (elf_add): Close descriptor if we use a debugfile.
 520         * btest.c (check_open_files): New static function.
 521         (main): Call check_open_files.
 522
 523 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 524
 525         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 526         desired CRC is zero.
 527         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 528
 529 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 530
 531         * pecoff.c (coff_add): Only release syms_view if it is valid.
 532
 533 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 534
 535         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 536
 537 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 538
 539         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 540
 541 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 542
 543         PR other/68239
 544         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 545         on the free list.
 546
 547 2018-01-19  Tony Reix  <tony.reix@atos.net>
 548
 549         * xcoff.c (xcoff_incl_compare): New function.
 550         (xcoff_incl_search): New function.
 551         (xcoff_process_linenos): Use bsearch to find include file.
 552         (xcoff_initialize_fileline): Sort include file information.
 553
 554 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 555
 556         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 557         288.
 558         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 559         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 560         (elf_zlib_default_table): Update.
 561         (elf_zlib_default_dist_table): New static array.
 562         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 563         for block type 1.
 564         * ztest.c (struct zlib_test): Add uncompressed_len.
 565         (tests): Initialize uncompressed_len field.  Add new test case.
 566         (test_samples): Use uncompressed_len field.
 567
 568 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 569
 570         Update copyright years.
 571
 572 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 573
 574         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 575         * aclocal.m4: Regenerate.
 576         * Makefile.in: Likewise.
 577         * configure: Likewise.
 578
 579 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 580
 581         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 582         zlib uncompress function.
 583
 584 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 585
 586         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 587         Read a four byte integer.
 588         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 589         boundary before ever calling elf_zlib_fetch.
 590         * ztest.c (test_large): Simplify print statements a bit.
 591
 592 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 593
 594         * ztest.c: #include <errno.h>.
 595         (TEST_TIMING): Don't define, don't test.
 596         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 597         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 598         (ZLIB_CLOCK_GETTIME_ARG): Define.
 599         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 600         * Makefile.am: Likewise.
 601         * configure, Makefile.in: Rebuild.
 602
 603 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 604
 605         PR other/67165
 606         * Makefile.am: Append the content of clock_gettime_link to
 607         ztest_LDADD.
 608         * configure.ac: Test for the case that clock_gettime is in librt.
 609         * Makefile.in: Regenerate.
 610         * configure: Likewise.
 611
 612         PR other/67165
 613         * configure.ac: Check for clock_gettime.
 614         * config.h.in: Regenerate.
 615         * configure: Likewise.
 616         * ztest.c (average_time, test_large): Conditionalize test timing
 617         on clock_gettime availability.
 618
 619 2017-09-29  Tony Reix  <tony.reix@atos.net>
 620
 621         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 622         (STYP_DWARF, SSUBTYP_DW*): Define.
 623         (enum dwarf_section): Define.
 624         (struct dwsect_info): Define.
 625         (xcoff_add): Look for DWARF sections, pass them to
 626         backtrace_dwarf_add.
 627
 628 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 629
 630         PR other/67165
 631         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 632         (unlikely): Define.
 633         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 634         (b_elf_chdr): Define type.
 635         (enum debug_section): Add ZDEBUG_xxx values.
 636         (debug_section_names): Add names for new sections.
 637         (struct debug_section_info): Add compressed field.
 638         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 639         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 640         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 641         (HUFFMAN_SECONDARY_SHIFT): Define.
 642         (ZDEBUG_TABLE_SIZE): Define.
 643         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 644         (final_next_secondary): New static variable if
 645         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 646         (elf_zlib_inflate_table): New static function.
 647         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 648         function to produce fixed Huffman table.
 649         (elf_zlib_default_table): New static variable.
 650         (elf_zlib_inflate): New static function.
 651         (elf_zlib_verify_checksum): Likewise.
 652         (elf_zlib_inflate_and_verify): Likewise.
 653         (elf_uncompress_zdebug): Likewise.
 654         (elf_uncompress_chdr): Likewise.
 655         (backtrace_uncompress_zdebug): New extern function.
 656         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 657         sections, and uncompress them.
 658         * internal.h (backtrace_compress_zdebug): Declare.
 659         * ztest.c: New file.
 660         * configure.ac: Check for -lz and check whether the linker
 661         supports --compress-debug-sections.
 662         * Makefile.am (ztest_SOURCES): New variable.
 663         (ztest_CFLAGS, ztest_LDADD): New variables.
 664         (check_PROGRAMS): Add ztest.
 665         (ctestg_SOURCES): New variable.
 666         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 667         (ctesta_SOURCES): New variable.
 668         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 669         (check_PROGRAMS): Add ctestg and ctesta.
 670         * configure, config.h.in, Makefile.in: Rebuild.
 671
 672 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 673
 674         PR sanitizer/77631
 675         * configure.ac: Check for lstat and readlink.
 676         * elf.c (lstat, readlink): Provide dummy versions if real versions
 677         are not available.
 678         * configure, config.h.in: Rebuild.
 679
 680 2017-09-21  Ian Lance Taylor  <iant@google.com>
 681
 682         PR go/82284
 683         * elf.c (backtrace_initialize): Set pd.exe_filename.
 684
 685 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 686             Denis Khalikov  <d.khalikov@partner.samsung.com>
 687
 688         PR sanitizer/77631
 689         Support for external debug info.
 690         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 691         (S_ISLNK): Define if not defined.
 692         (xstrnlen): Define if strnlen is not available.
 693         (b_elf_note): Define type.
 694         (NT_GNU_BUILD_ID): Define macro.
 695         (elf_crc32, elf_crc32_file): New static functions.
 696         (elf_is_symlink, elf_readlink): New static functions.
 697         (elf_open_debugfile_by_buildid): New static function.
 698         (elf_try_debugfile): New static function.
 699         (elf_find_debugfile_by_debuglink): New static function.
 700         (elf_open_debugfile_by_debuglink): New static function.
 701         (elf_add): Add filename and debuginfo parameters.  Adjust all
 702         callers.  Look for external debug info notes, and try to fetch
 703         debug info from external file.
 704         (struct phdr_data): Add exe_filename field.
 705         (phdr_callback): Pass filename to elf_add.
 706         (backtrace_initialize): Add filename parameter.
 707         * internal.h (backtrace_initialize): Add filename parameter.
 708         * fileline.c (fileline_initialize): Pass filename to
 709         backtrace_initialize.
 710         * pecoff.c (fileline_initialize): Add unused filename parameter.
 711         * unknown.c (fileline_initialize): Likewise.
 712         * xcoff.c (fileline_initialize): Likewise.
 713         * configure.ac: Check for objcopy --add-gnu-debuglink.
 714         * Makefile.am (dtest): New test target.
 715         * configure, Makefile.in: Rebuild.
 716
 717 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 718
 719         PR other/81096
 720         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 721         * Makefile.in: Regenerate.
 722
 723 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 724
 725         PR other/81096
 726         * libbacktrace/Makefile.in
 727         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 728
 729 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 730
 731         PR bootstrap/81638
 732         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 733
 734 2017-07-28  Tony Reix  <tony.reix@atos.net>
 735
 736         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 737
 738 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 739
 740         * fileline.c (fileline_initialize): Print pid_t as long.
 741
 742 2017-07-26  Tony Reix  <tony.reix@atos.net>
 743
 744         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 745         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 746         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 747         * configure, config.h.in: Regenerate.
 748
 749 2017-07-21  Tony Reix  <tony.reix@atos.net>
 750
 751         * filetype.awk: Add AIX XCOFF type detection.
 752         * configure.ac: Recognize xcoff format.
 753         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 754         * fileline.c: Include <unistd.h>.
 755         (fileline_initialize): Add case for AIX procfs.
 756         * xcoff.c: New file.
 757         * configure, Makefile.in: Rebuild.
 758
 759 2017-06-21  Richard Biener  <rguenther@suse.de>
 760
 761         * configure.ac: Add AC_SYS_LARGEFILE.
 762         * config.h.in: Regenerate.
 763         * configure: Likewise.
 764
 765 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 766
 767         * elf.c (backtrace_initialize): Always set *fileline_fn.
 768         * ttest.c: New file.
 769         * btest.c: Move support functions into testlib.c.  Change calls to
 770         check to pass file name.
 771         * testlib.c: New file, copied from (part of) btest.c.
 772         * testlib.h: New file, declarations for testlib.c.
 773         * edtest.c: Use testlib.h and testlib.c.
 774         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 775         * Makefile.am (btest_SOURCES): Add testlib.c.
 776         (edtest_SOURCES): Likewise.
 777         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 778         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 779         * configure, Makefile.in: Rebuild.
 780
 781 2017-05-19  Than McIntosh  <thanm@google.com>
 782
 783         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 784         (read_line_header): Don't allocate dirs if dirs_count == 0.
 785         * edtest.c: New file.
 786         * edtest2.c: New file.
 787         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 788         (check_PROGRAMS): Add edtest.
 789         (edtest2_build.c, gen_edtest2_build): New targets.
 790         * Makefile.in: Rebuild.
 791
 792 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 793
 794         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 795         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 796
 797 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 798
 799         Update copyright years.
 800
 801 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 802
 803         * configure: Regenerate.
 804
 805 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 806
 807         * all: Remove meaningless trailing whitespace.
 808
 809 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 810
 811         PR target/71161
 812         * elf.c (phdr_callback) [__i386__]: Add
 813         __attribute__((__force_align_arg_pointer__)).
 814
 815 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 816
 817         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 818         avoid possible crash.
 819         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 820         missing debug info anymore.
 821
 822 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 823
 824         * mmap.c (MAP_FAILED): Define if not defined.
 825
 826 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 827
 828         Update copyright years.
 829
 830 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 831
 832         * configure.ac: Specify that DJGPP do not have mmap
 833         even when sys/mman.h exists.
 834         * configure: Regenerate
 835
 836 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 837
 838         PR libgfortran/68115
 839         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 840         * configure: Regenerate.
 841         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 842         to void.
 843
 844 2015-09-17  Ian Lance Taylor  <iant@google.com>
 845
 846         * posix.c (backtrace_open): Cast second argument of open() to int.
 847
 848 2015-09-11  Ian Lance Taylor  <iant@google.com>
 849
 850         * Makefile.am (backtrace.lo): Depend on internal.h.
 851         (sort.lo, stest.lo): Add explicit dependencies.
 852         * Makefile.in: Rebuild.
 853
 854 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 855
 856         * backtrace.c: #include <sys/types.h>.
 857
 858 2015-09-08  Ian Lance Taylor  <iant@google.com>
 859
 860         PR other/67457
 861         * backtrace.c: #include "internal.h".
 862         (struct backtrace_data): Add can_alloc field.
 863         (unwind): If can_alloc is false, don't try to get file/line
 864         information.
 865         (backtrace_full): Set can_alloc field in bdata.
 866         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 867         NULL.
 868         * mmap.c (backtrace_alloc): Likewise.
 869         * internal.h: Update comments for backtrace_alloc and
 870         backtrace_free.
 871
 872 2015-09-08  Ian Lance Taylor  <iant@google.com>
 873
 874         PR other/67457
 875         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 876
 877 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 878
 879         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 880         * configure: Regenerate.
 881
 882 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 883
 884         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 885         Remove setting PIC_FLAG when building as target library.
 886         * configure: Regenerate.
 887
 888 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 889
 890         * configure.ac: Only compile with -fPIC if the target
 891         supports it.
 892         * configure: Regenerate.
 893
 894 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 895
 896         * configure.ac: Set have_mmap to no on spu-*-* targets.
 897         * configure: Regenerate.
 898
 899 2015-08-13  Ian Lance Taylor  <iant@google.com>
 900
 901         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 902         Change all callers.
 903
 904 2015-06-11  Martin Sebor  <msebor@redhat.com>
 905
 906         PR sanitizer/65479
 907         * dwarf.c (struct line): Add new field idx.
 908         (line_compare): Use it.
 909         (add_line): Set it.
 910         (read_line_info): Reset it.
 911
 912 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 913
 914         * pecoff.c: New file.
 915         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 916         * Makefile.in: Regenerate.
 917         * filetype.awk: Detect pecoff.
 918         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 919         Add pecoff.
 920         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 921         true.
 922         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 923         * configure: Regenerate.
 924         * pecoff.c: New file.
 925
 926 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 927
 928         * Makefile.in: Regenerated with automake-1.11.6.
 929         * aclocal.m4: Likewise.
 930         * configure: Likewise.
 931
 932 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 933
 934         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 935         * configure: Regenerate.
 936
 937 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 938
 939         Update copyright years.
 940
 941 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 942
 943         PR bootstrap/63784
 944         * configure: Regenerated.
 945
 946 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 947
 948         * ChangeLog.jit: New.
 949
 950 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 951
 952         PR target/63610
 953         * configure: Regenerate.
 954
 955 2014-10-23  Ian Lance Taylor  <iant@google.com>
 956
 957         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 958         Fix to return void *.
 959
 960 2014-05-08  Ian Lance Taylor  <iant@google.com>
 961
 962         * mmap.c (backtrace_free): If freeing a large aligned block of
 963         memory, call munmap rather than holding onto it.
 964         (backtrace_vector_grow): When growing a vector, double the number
 965         of pages requested.  When releasing the old version of a grown
 966         vector, pass the correct size to backtrace_free.
 967
 968 2014-03-07  Ian Lance Taylor  <iant@google.com>
 969
 970         * sort.c (backtrace_qsort): Use middle element as pivot.
 971
 972 2014-03-06  Ian Lance Taylor  <iant@google.com>
 973
 974         * sort.c: New file.
 975         * stest.c: New file.
 976         * internal.h (backtrace_qsort): Declare.
 977         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 978         (read_line_info, read_function_entry): Likewise.
 979         (read_function_info, build_dwarf_data): Likewise.
 980         * elf.c (elf_initialize_syminfo): Likewise.
 981         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 982         (stest_SOURCES, stest_LDADD): Define.
 983         (check_PROGRAMS): Add stest.
 984
 985 2014-02-07  Misty De Meo  <misty@brew.sh>
 986
 987         PR target/58710
 988         * configure.ac: Use AC_LINK_IFELSE in check for
 989         _Unwind_GetIPInfo.
 990         * configure: Regenerate.
 991
 992 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 993
 994         Update copyright years
 995
 996 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 997
 998         * elf.c (ET_DYN): Undefine and define again.
 999         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1000         return early -1 without closing the descriptor.
1001         (struct phdr_data): Add exe_descriptor.
1002         (phdr_callback): If pd->exe_descriptor is not -1, for very first
1003         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1004         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
1005         call to elf_add.
1006         (backtrace_initialize): Adjust call to elf_add.  If it returns
1007         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1008
1009 2013-12-05  Ian Lance Taylor  <iant@google.com>
1010
1011         * alloc.c (backtrace_vector_finish): Add error_callback and data
1012         parameters.  Call backtrace_vector_release.  Return address base.
1013         * mmap.c (backtrace_vector_finish): Add error_callback and data
1014         parameters.  Return address base.
1015         * dwarf.c (read_function_info): Get new address base from
1016         backtrace_vector_finish.
1017         * internal.h (backtrace_vector_finish): Update declaration.
1018
1019 2013-11-27  Ian Lance Taylor  <iant@google.com>
1020
1021         * dwarf.c (find_address_ranges): New static function, broken out
1022         of build_address_map.
1023         (build_address_map): Call it.
1024         * btest.c (check): Check for missing filename or function, rather
1025         than crashing.
1026         (f3): Check that enough frames were returned.
1027
1028 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
1029
1030         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1031         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1032         last argument.
1033         * btest.c (struct symdata): Add size field.
1034         (callback_three): Add symsize argument.  Copy it to the data->size
1035         field.
1036         (f23): Set symdata.size to 0.
1037         (test5): Likewise.  If sizeof (int) > 1, lookup address of
1038         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
1039         values.
1040
1041         * atomic.c: Include sys/types.h.
1042
1043 2013-11-18  Ian Lance Taylor  <iant@google.com>
1044
1045         * configure.ac: Check for support of __atomic extensions.
1046         * internal.h: Declare or #define atomic functions for use in
1047         backtrace code.
1048         * atomic.c: New file.
1049         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1050         (dwarf_fileline, backtrace_dwarf_add): Likewise.
1051         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1052         (backtrace_initialize): Likewise.
1053         * fileline.c (fileline_initialize): Likewise.
1054         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1055         * configure, config.h.in, Makefile.in: Rebuild.
1056
1057 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1058
1059         * elf.c (SHN_UNDEF): Define.
1060         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1061         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1062         (elf_add): Adjust caller.
1063
1064         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1065
1066 2013-11-16  Ian Lance Taylor  <iant@google.com>
1067
1068         * backtrace.h (backtrace_create_state): Correct comment about
1069         threading.
1070
1071 2013-11-15  Ian Lance Taylor  <iant@google.com>
1072
1073         * backtrace.h (backtrace_syminfo): Update comment and parameter
1074         name to take any address, not just a PC value.
1075         * elf.c (STT_OBJECT): Define.
1076         (elf_nosyms): Rename parameter pc to addr.
1077         (elf_symbol_search): Rename local variable pc to addr.
1078         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1079         (elf_syminfo): Rename parameter pc to addr.
1080         * btest.c (global): New global variable.
1081         (test5): New test.
1082         (main): Call test5.
1083
1084 2013-10-17  Ian Lance Taylor  <iant@google.com>
1085
1086         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1087         is missing.
1088
1089 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1090
1091         * configure.ac: Add --enable-host-shared, setting up
1092         pre-existing PIC_FLAG variable within Makefile.am et al.
1093         * configure: Regenerate.
1094
1095 2013-09-20  Alan Modra  <amodra@gmail.com>
1096
1097         * configure: Regenerate.
1098
1099 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1100
1101         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1102
1103 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1104
1105         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1106         dl_iterate_phdr callbacks.
1107
1108 2013-03-25  Ian Lance Taylor  <iant@google.com>
1109
1110         * alloc.c: #include <sys/types.h>.
1111         * mmap.c: Likewise.
1112
1113 2013-01-31  Ian Lance Taylor  <iant@google.com>
1114
1115         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1116         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1117
1118 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1119
1120         PR other/56076
1121         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1122         attribute was not seen.
1123
1124 2013-01-16  Ian Lance Taylor  <iant@google.com>
1125
1126         * dwarf.c (struct unit): Add filename and abs_filename fields.
1127         (build_address_map): Set new fields when reading unit.
1128         (dwarf_lookup_pc): If we don't find an entry in the line table,
1129         just return the main file name.
1130
1131 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1132
1133         Update copyright years.
1134
1135 2013-01-01  Ian Lance Taylor  <iant@google.com>
1136
1137         PR bootstrap/54834
1138         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1139         $(MULTIBUILDTOP)/../../gcc/include.
1140         * Makefile.in: Rebuild.
1141
1142 2013-01-01  Ian Lance Taylor  <iant@google.com>
1143
1144         PR other/55536
1145         * mmap.c (backtrace_alloc): Don't call sync functions if not
1146         threaded.
1147         (backtrace_free): Likewise.
1148
1149 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1150
1151         * mmapio.c: Define MAP_FAILED if not defined.
1152
1153 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1154
1155         PR bootstrap/54926
1156         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1157         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1158         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1159         accepts it.
1160         * Makefile.in: Regenerated.
1161         * configure: Regenerated.
1162
1163 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR bootstrap/54926
1166         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1167         * Makefile.in: Regenerated.
1168
1169 2012-11-20  Ian Lance Taylor  <iant@google.com>
1170
1171         * dwarf.c (read_attribute): Always clear val.
1172
1173 2012-11-13  Ian Lance Taylor  <iant@google.com>
1174
1175         PR other/55312
1176         * configure.ac: Only add -Werror if building a target library.
1177         * configure: Rebuild.
1178
1179 2012-11-12  Ian Lance Taylor  <iant@google.com>
1180             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1181             Gerald Pfeifer  <gerald@pfeifer.com>
1182
1183         * configure.ac: Check for getexecname.
1184         * fileline.c: #include <errno.h>.  Define getexecname if not
1185         available.
1186         (fileline_initialize): Try to find the executable in a few
1187         different ways.
1188         * print.c (error_callback): Only print the filename if it came
1189         from the backtrace state.
1190         * configure, config.h.in: Rebuild.
1191
1192 2012-10-29  Ian Lance Taylor  <iant@google.com>
1193
1194         * mmap.c (backtrace_vector_release): Correct last patch: add
1195         aligned, not size.
1196
1197 2012-10-29  Ian Lance Taylor  <iant@google.com>
1198
1199         * mmap.c (backtrace_vector_release): Make sure freed block is
1200         aligned on 8-byte boundary.
1201
1202 2012-10-26  Ian Lance Taylor  <iant@google.com>
1203
1204         PR other/55087
1205         * posix.c (backtrace_open): Add does_not_exist parameter.
1206         * elf.c (phdr_callback): Do not warn if shared library could not
1207         be opened.
1208         * fileline.c (fileline_initialize): Update calls to
1209         backtrace_open.
1210         * internal.h (backtrace_open): Update declaration.
1211
1212 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1213
1214         PR target/55061
1215         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1216         * configure: Regenerate.
1217
1218 2012-10-24  Ian Lance Taylor  <iant@google.com>
1219
1220         PR target/55061
1221         * configure.ac: Check whether -funwind-tables option works.
1222         * configure: Rebuild.
1223
1224 2012-10-11  Ian Lance Taylor  <iant@google.com>
1225
1226         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1227         * configure: Rebuild.
1228
1229 2012-10-10  Ian Lance Taylor  <iant@google.com>
1230
1231         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1232         lower case.
1233
1234 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1235
1236         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1237
1238 2012-10-09  Ian Lance Taylor  <iant@google.com>
1239
1240         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1241         (backtrace_dwarf_add): Likewise.
1242
1243 2012-10-09  Ian Lance Taylor  <iant@google.com>
1244
1245         Add support for tracing through shared libraries.
1246         * configure.ac: Check for link.h and dl_iterate_phdr.
1247         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1248         ELF macros before #defining them.
1249         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1250         dl_iterate_phdr.
1251         (struct elf_syminfo_data): Add next field.
1252         (elf_initialize_syminfo): Initialize next field.
1253         (elf_add_syminfo_data): New static function.
1254         (elf_add): New static function, broken out of
1255         backtrace_initialize.  Call backtrace_dwarf_add instead of
1256         backtrace_dwarf_initialize.
1257         (struct phdr_data): Define.
1258         (phdr_callback): New static function.
1259         (backtrace_initialize): Call elf_add.
1260         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1261         (add_unit_addr): Add base_address parameter.  Change all callers.
1262         (add_unit_ranges, build_address_map): Likewise.
1263         (add_line): Add ddata parameter.  Change all callers.
1264         (read_line_program, add_function_range): Likewise.
1265         (dwarf_lookup_pc): New static function, broken out of
1266         dwarf_fileline.
1267         (dwarf_fileline): Call dwarf_lookup_pc.
1268         (build_dwarf_data): New static function.
1269         (backtrace_dwarf_add): New function.
1270         (backtrace_dwarf_initialize): Remove.
1271         * internal.h (backtrace_dwarf_initialize): Don't declare.
1272         (backtrace_dwarf_add): Declare.
1273         * configure, config.h.in: Rebuild.
1274
1275 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1276
1277         * btest.c (f23): Avoid uninitialized variable warning.
1278
1279 2012-10-04  Ian Lance Taylor  <iant@google.com>
1280
1281         * dwarf.c: If the system header files do not declare strnlen,
1282         provide our own version.
1283
1284 2012-10-03  Ian Lance Taylor  <iant@google.com>
1285
1286         * dwarf.c (read_uleb128): Fix overflow test.
1287         (read_sleb128): Likewise.
1288         (build_address_map): Don't change unit_buf.start.
1289
1290 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1291
1292         PR other/54761
1293         * configure.ac (EXTRA_FLAGS): New.
1294         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1295         * configure, Makefile.in: Regenerate.
1296
1297 2012-09-29  Ian Lance Taylor  <iant@google.com>
1298
1299         PR other/54749
1300         * fileline.c (fileline_initialize): Pass errnum as -1 when
1301         reporting that we could not read executable information after a
1302         previous failure.
1303
1304 2012-09-27  Ian Lance Taylor  <iant@google.com>
1305
1306         PR bootstrap/54732
1307         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1308         * Makefile.am: Add dependencies for all objects.
1309         * configure, aclocal.m4, Makefile.in: Rebuild.
1310
1311 2012-09-27  Ian Lance Taylor  <iant@google.com>
1312
1313         PR other/54726
1314         * elf.c (backtrace_initialize): Set *fileln_fn, not
1315         state->fileln_fn.
1316
1317 2012-09-19  Ian Lance Taylor  <iant@google.com>
1318
1319         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1320         as a target library.
1321         * configure: Rebuild.
1322
1323 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1324             Ian Lance Taylor  <iant@google.com>
1325
1326         * configure.ac (GCC_HEADER_STDINT): Invoke.
1327         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1328         * btest.c: Don't include <stdint.h>.
1329         * dwarf.c: Likewise.
1330         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1331
1332 2012-09-18  Ian Lance Taylor  <iant@google.com>
1333
1334         PR bootstrap/54623
1335         * Makefile.am (AM_CPPFLAGS): Define.
1336         (AM_CFLAGS): Remove -I options.
1337         * Makefile.in: Rebuild.
1338
1339 2012-09-18  Ian Lance Taylor  <iant@google.com>
1340
1341         * posix.c (O_BINARY): Define if not defined.
1342         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1343         HAVE_FCNTL is defined.
1344         * configure.ac: Test for the fcntl function.
1345         * configure, config.h.in: Rebuild.
1346
1347 2012-09-18  Ian Lance Taylor  <iant@google.com>
1348
1349         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1350
1351 2012-09-18  Ian Lance Taylor  <iant@google.com>
1352
1353         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1354
1355 2012-09-18  Ian Lance Taylor  <iant@google.com>
1356
1357         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1358         * mmapio.c: Don't define _GNU_SOURCE.
1359         * configure, config.h.in: Rebuild.
1360
1361 2012-09-18  Ian Lance Taylor  <iant@google.com>
1362
1363         * configure.ac: Check whether strnlen is declared.
1364         * dwarf.c: Declare strnlen if not declared.
1365         * configure, config.h.in: Rebuild.
1366
1367 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1368
1369         * fileline.c: Include <stdlib.h>.
1370         * mmap.c: Likewise.
1371
1372 2012-09-17  Ian Lance Taylor  <iant@google.com>
1373
1374         PR bootstrap/54611
1375         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1376         parameter.
1377
1378 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1379
1380         PR bootstrap/54611
1381         * nounwind.c (backtrace_simple): Add state parameter.
1382
1383 2012-09-17  Ian Lance Taylor  <iant@google.com>
1384
1385         PR bootstrap/54609
1386         * unknown.c (unknown_fileline): Add state parameter, remove
1387         fileline_data parameter, name error_callback parameter.
1388         (backtrace_initialize): Add state parameter.
1389
1390 2012-09-17  Ian Lance Taylor  <iant@google.com>
1391
1392         * Initial implementation.
1393 \f
1394 Copyright (C) 2012-2020 Free Software Foundation, Inc.
1395
1396 Copying and distribution of this file, with or without modification,
1397 are permitted in any medium without royalty provided the copyright
1398 notice and this notice are preserved.