libbacktrace/ChangeLog

   1 2020-05-08  Ian Lance Taylor  <iant@golang.org>
   2
   3         * fileline.c (sysctl_exec_name): New static function.
   4         (sysctl_exec_name1): New macro or static function.
   5         (sysctl_exec_name2): Likewise.
   6         (fileline_initialize): Try sysctl_exec_name[12].
   7         * configure.ac: Check for sysctl args to fetch executable name.
   8         * configure: Regenerate.
   9         * config.h.in: Regenerate.
  10
  11 2020-02-15  Ian Lance Taylor  <iant@golang.org>
  12
  13         * ztest.c (test_large): Update file to current libgo test file.
  14
  15 2020-02-03  Ian Lance Taylor  <iant@golang.org>
  16
  17         * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
  18         (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
  19         (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
  20         (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
  21         (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
  22         (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
  23         (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
  24         (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
  25         (stest_alloc_CFLAGS): Likewise.
  26         * Makefile.in: Regenerate.
  27         * ztest.c (error_callback_compress): Mark vdata unused.
  28         (test_large): Add casts to avoid warnings.
  29
  30 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
  31
  32         Update copyright years.
  33
  34 2019-12-13  Ian Lance Taylor  <iant@golang.org>
  35
  36         Add DWARF 5 support.
  37         * dwarf.c (struct attr): Add val field.
  38         (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
  39         ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
  40         (struct line_header): Add addrsize field.
  41         (struct line_header_format): Define.
  42         (struct unit): Add str_offsets_base, addr_base, and rnglists_base
  43         fields.
  44         (read_uint24): New static function.
  45         (read_attribute): Add implicit_val parameter.  Replace dwarf_str
  46         and dwarf_str_size parameters with dwarf_sections parameter.  Add
  47         support for new DWARF 5 forms.  Change all callers.
  48         (resolve_string): New static function.
  49         (resolve_addr_index): Likewise.
  50         (read_abbrevs): Support DW_FORM_implicit_const.
  51         (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
  52         and ranges_is_index fields.
  53         (update_pcrange): Support DWARF 5 encodings.
  54         (add_high_low_range): New static function, split out of
  55         add_ranges.
  56         (add_ranges_from_ranges): Likewise.
  57         (add_ranges_from_rnglists): New static function.
  58         (add_ranges): Just call new helper functions.
  59         (find_address_ranges): Use resolve_string for strings, after
  60         reading all attributes.  Handle new DWARF 5 attributes.
  61         (build_address_map): Support DWARF 5 compilation units.
  62         (read_v2_paths): New static function, split out of
  63         read_line_header.
  64         (read_lnct): New static function.
  65         (read_line_header_format_entries): Likewise.
  66         (read_line_header): Add ddata parameter.  Support DWARF 5 line
  67         headers.  Call new helper functions.  Change all callers.
  68         (read_line_program): Use addrsize from line program header.  Don't
  69         special case directory index 0 for DWARF 5.
  70         (read_referenced_name): Use resolve_string.
  71         (read_function_entry): Handle DWARF 5 encodings.  Use
  72         resolve_string.
  73         * internal.h (enum dwarf_section): Add DEBUG_ADDR,
  74         DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
  75         * elf.c (dwarf_section_names): Add new section names.
  76         * pecoff.c (dwarf_section_names): Likewise.
  77         * xcoff.c (xcoff_add): Clear dwarf_sections before setting
  78         fields.
  79         * configure.ac: Define HAVE_DWARF5 automake conditional.
  80         * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
  81         (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
  82         (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
  83         (dwarf5_alloc_LDADD): Likewise.
  84         (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
  85         (CLEANFILES, clean-local): Define.
  86
  87 2019-12-08  Ian Lance Taylor  <iant@golang.org>
  88
  89         * dwarf.c (struct pcrange): Define.
  90         (update_pcrange, add_ranges): New static functions.
  91         (add_unit_addr): Change signature to work with add_ranges.  Don't
  92         add base_address here.
  93         (add_unit_ranges): Remove.
  94         (find_address_ranges): Replace str/ranges parameters with
  95         dwarf_sections.  Use update_pcrange and add_ranges.  Change all
  96         callers.
  97         (add_function_range): Change signature to work with add_ranges.
  98         Don't add base_address here.
  99         (add_function_ranges): Remove.
 100         (read_function_entry): Use update_pcrange and add_ranges.
 101
 102 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 103
 104         * edtest.c (test1): Add noclone attribute.
 105
 106 2019-12-04  Ian Lance Taylor  <iant@golang.org>
 107
 108         * internal.h (enum dwarf_section): Define.
 109         (struct dwarf_sections): Define.
 110         (backtrace_dwarf_add): Update declaration to replace specific
 111         section parameters with dwarf_sections parameter.
 112         * dwarf.c (struct dwarf_data): Replace specific section fields
 113         with dwarf_sections field.
 114         (read_attribute): Use dwarf_sections with altlink.
 115         (build_address_map): Replace specific section parameters with
 116         dwarf_sections parameter.  Change all callers.
 117         (read_line_info): Use dwarf_sections with ddata.
 118         (read_referenced_name): Likewise.
 119         (add_function_ranges): Likewise.
 120         (read_function_entry): Likewise.
 121         (read_function_info): Likewise.
 122         (build_dwarf_data): Replace specific section parameters with
 123         dwarf_sections parameter.  Change all callers.
 124         (backtrace_dwarf_add): Likewise.
 125         * elf.c (enum debug_section): Remove.
 126         (dwarf_section_names): Remove .zdebug names.
 127         (elf_add): Track zsections separately.  Build dwarf_sections.
 128         * pecoff.c (enum debug_section): Remove.
 129         (struct debug_section_info): Remove data field.
 130         (coff_add): Build dwarf_sections.
 131         * xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
 132         references with DEBUG_xxx references.
 133         (xcoff_add): Build dwarf_sections.
 134
 135 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 136
 137         * configure: Regenerate.
 138
 139 2019-09-26  Ian Lance Taylor  <iant@golang.org>
 140
 141         PR libbacktrace/91908
 142         * pecoff.c (backtrace_initialize): Explicitly cast unchecked
 143         __sync_bool_compare_and_swap to void.
 144         * xcoff.c (backtrace_initialize): Likewise.
 145
 146 2019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 147
 148         * configure.ac: Remove references to spu.
 149         * configure: Regenerate.
 150
 151 2019-05-24  Clement Chigot  <clement.chigot@atos.net>
 152
 153         * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
 154         test_elf_64.
 155         * Makefile.in: Regenerate.
 156
 157 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 158
 159         * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
 160         handling.
 161         * configure: Regenerate.
 162
 163 2019-03-11  Ian Lance Taylor  <iant@golang.org>
 164
 165         PR libbacktrace/89669
 166         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
 167         HAVE_ELF.
 168         * Makefile.in: Regenerate.
 169
 170 2019-02-26  Tom de Vries  <tdevries@suse.de>
 171
 172         * btest.c (test5): Allow global.* as minimal symbol name for global.
 173
 174 2019-02-26  Tom de Vries  <tdevries@suse.de>
 175
 176         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
 177         * Makefile.in: Regenerate.
 178
 179 2019-02-12  Tom de Vries  <tdevries@suse.de>
 180
 181         PR libbacktrace/81983
 182         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
 183
 184 2019-02-10  Tom de Vries  <tdevries@suse.de>
 185
 186         * Makefile.am (BUILDTESTS): Add btest_lto.
 187         * Makefile.in: Regenerate.
 188         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
 189         __attribute__((noclone)).
 190
 191 2019-02-08  Tom de Vries  <tdevries@suse.de>
 192
 193         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
 194         * print.c (backtrace_print): Same.
 195         * simple.c (backtrace_simple): Same.
 196
 197 2019-02-08  Tom de Vries  <tdevries@suse.de>
 198
 199         PR libbacktrace/78063
 200         * dwarf.c (build_address_map): Keep all parsed units.
 201         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
 202
 203 2019-01-31  Tom de Vries  <tdevries@suse.de>
 204
 205         PR libbacktrace/89136
 206         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
 207         'debugaltlink_name_len =+ 1'.
 208
 209 2019-01-29  Tom de Vries  <tdevries@suse.de>
 210
 211         * install-debuginfo-for-buildid.sh.in: New script.
 212         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
 213         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
 214         * Makefile.in: Regenerate.
 215         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
 216         (READELF): Set with AC_CHECK_PROG.
 217         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
 218         * configure: Regenerate.
 219         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
 220         (elf_open_debugfile_by_buildid): ... here.
 221
 222 2019-01-29  Tom de Vries  <tdevries@suse.de>
 223
 224         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
 225         allocfail.
 226         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
 227         (check_PROGRAMS): Add BUILDTESTS.
 228         * Makefile.in: Regenerate.
 229
 230 2019-01-28  Tom de Vries  <tdevries@suse.de>
 231
 232         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
 233         Use $< to access prerequisite.
 234         * Makefile.in: Regenerate.
 235
 236 2019-01-25  Nathan Sidwell  <nathan@acm.org>
 237
 238         * elf.c (elf_add): Pass "" filename to recursive call with
 239         separated debug.
 240
 241 2019-01-25  Tom de Vries  <tdevries@suse.de>
 242
 243         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
 244         filename == "".
 245         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
 246         * Makefile.in: Regenerate.
 247
 248 2019-01-25  Tom de Vries  <tdevries@suse.de>
 249
 250         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
 251         (TESTS): Rename dtest to btest_gnudebuglink.
 252         * Makefile.in: Regenerate.
 253
 254 2019-01-23  Tom de Vries  <tdevries@suse.de>
 255
 256         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
 257         (units_search, find_unit): Use size_t for offset.
 258         (build_address_map): Use size_t for unit_offset.
 259
 260 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 261
 262         * allocfail.c (main): Increase portability of printf statement.
 263
 264 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 265
 266         PR libbacktrace/88890
 267         * mmapio.c (backtrace_get_view): Change size parameter to
 268         uint64_t.  Check that value fits in size_t.
 269         * read.c (backtrace_get_view): Likewise.
 270         * internal.h (backtrace_get_view): Update declaration.
 271         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 272
 273 2019-01-17  Tom de Vries  <tdevries@suse.de>
 274
 275         PR libbacktrace/82857
 276         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 277         (HAVE_DWZ): Set with AM_CONDITIONAL.
 278         * configure: Regenerate.
 279         * Makefile.am (TESTS): Add btest_dwz.
 280         * Makefile.in: Regenerate.
 281
 282 2019-01-17  Tom de Vries  <tdevries@suse.de>
 283
 284         PR libbacktrace/82857
 285         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 286         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 287         ATTR_VAL_REF_ALT_INFO.
 288         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 289
 290 2019-01-17  Tom de Vries  <tdevries@suse.de>
 291
 292         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 293         (struct unit_vector): New type.
 294         (struct dwarf_data): Add units and units_counts fields.
 295         (find_unit): New function.
 296         (find_address_ranges): Add and handle unit_tag parameter.
 297         (build_address_map): Add and handle units_vec parameter.
 298         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 299         units vector.
 300
 301 2019-01-17  Tom de Vries  <tdevries@suse.de>
 302
 303         PR libbacktrace/82857
 304         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 305         using altlink.
 306
 307 2019-01-17  Tom de Vries  <tdevries@suse.de>
 308
 309         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 310         (read_attribute): Add altlink parameter.  Handle missing altlink for
 311         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 312         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 313         handle altlink parameter.
 314         (read_referenced_name, read_function_entry): Add argument to
 315         read_attribute call.
 316
 317 2019-01-17  Tom de Vries  <tdevries@suse.de>
 318
 319         * dwarf.c (struct dwarf_data): Add altlink field.
 320         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 321         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 322         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 323         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 324         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 325         * xcoff.c (xcoff_add): Same.
 326
 327 2019-01-17  Tom de Vries  <tdevries@suse.de>
 328
 329         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 330         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 331         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 332         argument to backtrace_dwarf_add call.
 333         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 334         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 335         * xcoff.c (xcoff_add): Same.
 336
 337 2019-01-17  Tom de Vries  <tdevries@suse.de>
 338
 339         * elf.c (elf_add): Add and handle with_buildid_data and
 340         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 341         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 342
 343 2019-01-16  Tom de Vries  <tdevries@suse.de>
 344
 345         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 346         of ...
 347         (read_referenced_name): ... here, and ...
 348         (read_function_entry): ... here.
 349
 350 2019-01-16  Tom de Vries  <tdevries@suse.de>
 351
 352         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 353         name.
 354         (read_function_entry): Same.  Don't allow name found via
 355         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 356         name.
 357
 358 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 359
 360         PR other/16615
 361
 362         * backtrace.h: Mechanically replace "can not" with "cannot".
 363
 364 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 365
 366         Update copyright years.
 367
 368 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 369
 370         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 371         in sed pattern.
 372         * Makefile.in: Regenerate.
 373
 374 2018-12-28  Tom de Vries  <tdevries@suse.de>
 375
 376         * dwarf.c (build_address_map): Reuse unused units.
 377
 378 2018-12-28  Tom de Vries  <tdevries@suse.de>
 379
 380         * dwarf.c (build_address_map): Simplify by removing local variable
 381         abbrevs.
 382
 383 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 384             Tom de Vries  <tdevries@suse.de>
 385
 386         PR libbacktrace/88063
 387         * dwarf.c (free_unit_addrs_vector): Remove.
 388         (build_address_map): Keep track of allocated units in vector.  Free
 389         allocated units and corresponding abbrevs upon failure.  Remove now
 390         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 391         failure.  Free allocated unit vector.
 392
 393 2018-12-28  Tom de Vries  <tdevries@suse.de>
 394
 395         * dwarf.c (build_address_map): Free addrs vector upon failure.
 396
 397 2018-12-14  Tom de Vries  <tdevries@suse.de>
 398
 399         PR testsuite/88491
 400         * allocfail.sh: Remove "set -o pipefail".
 401
 402 2018-12-12  Tom de Vries  <tdevries@suse.de>
 403
 404         * Makefile.am (TESTS): Add allocfail.sh.
 405         (check_PROGRAMS): Add allocfail.
 406         * Makefile.in: Regenerate.
 407         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 408         Include alloc.c.
 409         * allocfail.c: New file.
 410         * allocfail.sh: New file.
 411
 412 2018-11-30  Tom de Vries  <tdevries@suse.de>
 413
 414         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 415         test_xcoff_64, test_pecoff and test_unknown.
 416         * Makefile.in: Regenerate.
 417         * test_format.c: New file.
 418
 419 2018-11-30  Tom de Vries  <tdevries@suse.de>
 420
 421         * Makefile.am : Add _with_alloc version for each test in
 422         check_PROGRAMS.
 423         * Makefile.in: Regenerate.
 424
 425 2018-11-30  Tom de Vries  <tdevries@suse.de>
 426
 427         * internal.h (backtrace_vector_free): New static inline fuction,
 428         factored out of ...
 429         * dwarf.c (read_line_info): ... here.
 430
 431 2018-11-28  Tom de Vries  <tdevries@suse.de>
 432
 433         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 434         failure.
 435
 436 2018-11-27  Tom de Vries  <tdevries@suse.de>
 437
 438         * mmap.c (backtrace_vector_release): Same.
 439         * unittest.c (test1): Add check.
 440
 441 2018-11-27  Tom de Vries  <tdevries@suse.de>
 442
 443         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 444         instead of realloc.
 445         * Makefile.am (check_PROGRAMS): Add unittest.
 446         * Makefile.in: Regenerate.
 447         * unittest.c: New file.
 448
 449 2018-11-22  Tom de Vries  <tdevries@suse.de>
 450
 451         * dwarf.c (read_initial_length): Factor out of ...
 452         (build_address_map, read_line_info): ... here.
 453
 454 2018-11-21  Tom de Vries  <tdevries@suse.de>
 455
 456         * dwarf.c (read_string): Factor out of ...
 457         (read_attribute, read_line_header, read_line_program): ... here.
 458
 459 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 460
 461         PR bootstrap/82856
 462         * Makefile.am: Include multilib.am.
 463         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 464         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 465
 466 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 467
 468         PR libbacktrace/87529
 469         * backtrace.h: Document that backtrace_create_state should be
 470         called only once.
 471
 472 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 473
 474         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 475         * Makefile.in: Regenerate.
 476         * config.h.in: Likewise.
 477         * configure: Likewise.
 478
 479 2018-08-01  Tony Reix  <tony.reix@atos.net>
 480
 481         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 482         (struct xcoff_func, struct xcoff_func_vector): New structs.
 483         (xcoff_syminfo): Drop leading dot from symbol name.
 484         (xcoff_line_compare, xcoff_line_search): Remove.
 485         (xcoff_func_compare, xcoff_func_search): New static functions.
 486         (xcoff_lookup_pc): Search function table.
 487         (xcoff_add_line, xcoff_process_linenos): Remove.
 488         (xcoff_initialize_fileline): Build function table.
 489
 490 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 491
 492         PR other/86198
 493         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 494         checking up to 36 bytes.
 495
 496 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 497
 498         * configure: Regenerated.
 499
 500 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 501
 502         * configure: Regenerated.
 503
 504 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 505
 506         * backtrace.c: Revert last two changes.  Don't call mmap
 507         directly.
 508
 509 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 510
 511         * backtrace.c: Include backtrace-supported.h before checking
 512         BACKTRACE_USES_MALLOC.
 513
 514 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 515
 516         * backtrace.c (backtrace_full): When testing whether we can
 517         allocate memory, call mmap directly, and munmap the memory.
 518
 519 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 520
 521         PR other/85161
 522         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 523         big endian, only use 32-bit loads if endianity macros are predefined
 524         and indicate big or little endian.
 525
 526 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 527
 528         PR target/84148
 529         * configure: Regenerate.
 530
 531 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 532
 533         PR other/82368
 534         * elf.c (SHT_PROGBITS): Undefine and define.
 535
 536 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 537
 538         PR other/82368
 539         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 540         (struct elf_ppc64_opd_data): New type.
 541         (elf_initialize_syminfo): Add opd argument, handle symbols
 542         pointing into the PowerPC64 ELFv1 .opd section.
 543         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 544         to structure with .opd data to elf_initialize_syminfo.
 545
 546 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 547
 548         * elf.c (elf_add): Close descriptor if we use a debugfile.
 549         * btest.c (check_open_files): New static function.
 550         (main): Call check_open_files.
 551
 552 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 553
 554         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 555         desired CRC is zero.
 556         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 557
 558 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 559
 560         * pecoff.c (coff_add): Only release syms_view if it is valid.
 561
 562 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 563
 564         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 565
 566 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 567
 568         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 569
 570 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 571
 572         PR other/68239
 573         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 574         on the free list.
 575
 576 2018-01-19  Tony Reix  <tony.reix@atos.net>
 577
 578         * xcoff.c (xcoff_incl_compare): New function.
 579         (xcoff_incl_search): New function.
 580         (xcoff_process_linenos): Use bsearch to find include file.
 581         (xcoff_initialize_fileline): Sort include file information.
 582
 583 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 584
 585         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 586         288.
 587         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 588         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 589         (elf_zlib_default_table): Update.
 590         (elf_zlib_default_dist_table): New static array.
 591         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 592         for block type 1.
 593         * ztest.c (struct zlib_test): Add uncompressed_len.
 594         (tests): Initialize uncompressed_len field.  Add new test case.
 595         (test_samples): Use uncompressed_len field.
 596
 597 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 598
 599         Update copyright years.
 600
 601 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 602
 603         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 604         * aclocal.m4: Regenerate.
 605         * Makefile.in: Likewise.
 606         * configure: Likewise.
 607
 608 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 609
 610         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 611         zlib uncompress function.
 612
 613 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 614
 615         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 616         Read a four byte integer.
 617         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 618         boundary before ever calling elf_zlib_fetch.
 619         * ztest.c (test_large): Simplify print statements a bit.
 620
 621 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 622
 623         * ztest.c: #include <errno.h>.
 624         (TEST_TIMING): Don't define, don't test.
 625         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 626         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 627         (ZLIB_CLOCK_GETTIME_ARG): Define.
 628         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 629         * Makefile.am: Likewise.
 630         * configure, Makefile.in: Rebuild.
 631
 632 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 633
 634         PR other/67165
 635         * Makefile.am: Append the content of clock_gettime_link to
 636         ztest_LDADD.
 637         * configure.ac: Test for the case that clock_gettime is in librt.
 638         * Makefile.in: Regenerate.
 639         * configure: Likewise.
 640
 641         PR other/67165
 642         * configure.ac: Check for clock_gettime.
 643         * config.h.in: Regenerate.
 644         * configure: Likewise.
 645         * ztest.c (average_time, test_large): Conditionalize test timing
 646         on clock_gettime availability.
 647
 648 2017-09-29  Tony Reix  <tony.reix@atos.net>
 649
 650         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 651         (STYP_DWARF, SSUBTYP_DW*): Define.
 652         (enum dwarf_section): Define.
 653         (struct dwsect_info): Define.
 654         (xcoff_add): Look for DWARF sections, pass them to
 655         backtrace_dwarf_add.
 656
 657 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 658
 659         PR other/67165
 660         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 661         (unlikely): Define.
 662         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 663         (b_elf_chdr): Define type.
 664         (enum debug_section): Add ZDEBUG_xxx values.
 665         (debug_section_names): Add names for new sections.
 666         (struct debug_section_info): Add compressed field.
 667         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 668         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 669         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 670         (HUFFMAN_SECONDARY_SHIFT): Define.
 671         (ZDEBUG_TABLE_SIZE): Define.
 672         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 673         (final_next_secondary): New static variable if
 674         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 675         (elf_zlib_inflate_table): New static function.
 676         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 677         function to produce fixed Huffman table.
 678         (elf_zlib_default_table): New static variable.
 679         (elf_zlib_inflate): New static function.
 680         (elf_zlib_verify_checksum): Likewise.
 681         (elf_zlib_inflate_and_verify): Likewise.
 682         (elf_uncompress_zdebug): Likewise.
 683         (elf_uncompress_chdr): Likewise.
 684         (backtrace_uncompress_zdebug): New extern function.
 685         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 686         sections, and uncompress them.
 687         * internal.h (backtrace_compress_zdebug): Declare.
 688         * ztest.c: New file.
 689         * configure.ac: Check for -lz and check whether the linker
 690         supports --compress-debug-sections.
 691         * Makefile.am (ztest_SOURCES): New variable.
 692         (ztest_CFLAGS, ztest_LDADD): New variables.
 693         (check_PROGRAMS): Add ztest.
 694         (ctestg_SOURCES): New variable.
 695         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 696         (ctesta_SOURCES): New variable.
 697         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 698         (check_PROGRAMS): Add ctestg and ctesta.
 699         * configure, config.h.in, Makefile.in: Rebuild.
 700
 701 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 702
 703         PR sanitizer/77631
 704         * configure.ac: Check for lstat and readlink.
 705         * elf.c (lstat, readlink): Provide dummy versions if real versions
 706         are not available.
 707         * configure, config.h.in: Rebuild.
 708
 709 2017-09-21  Ian Lance Taylor  <iant@google.com>
 710
 711         PR go/82284
 712         * elf.c (backtrace_initialize): Set pd.exe_filename.
 713
 714 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 715             Denis Khalikov  <d.khalikov@partner.samsung.com>
 716
 717         PR sanitizer/77631
 718         Support for external debug info.
 719         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 720         (S_ISLNK): Define if not defined.
 721         (xstrnlen): Define if strnlen is not available.
 722         (b_elf_note): Define type.
 723         (NT_GNU_BUILD_ID): Define macro.
 724         (elf_crc32, elf_crc32_file): New static functions.
 725         (elf_is_symlink, elf_readlink): New static functions.
 726         (elf_open_debugfile_by_buildid): New static function.
 727         (elf_try_debugfile): New static function.
 728         (elf_find_debugfile_by_debuglink): New static function.
 729         (elf_open_debugfile_by_debuglink): New static function.
 730         (elf_add): Add filename and debuginfo parameters.  Adjust all
 731         callers.  Look for external debug info notes, and try to fetch
 732         debug info from external file.
 733         (struct phdr_data): Add exe_filename field.
 734         (phdr_callback): Pass filename to elf_add.
 735         (backtrace_initialize): Add filename parameter.
 736         * internal.h (backtrace_initialize): Add filename parameter.
 737         * fileline.c (fileline_initialize): Pass filename to
 738         backtrace_initialize.
 739         * pecoff.c (fileline_initialize): Add unused filename parameter.
 740         * unknown.c (fileline_initialize): Likewise.
 741         * xcoff.c (fileline_initialize): Likewise.
 742         * configure.ac: Check for objcopy --add-gnu-debuglink.
 743         * Makefile.am (dtest): New test target.
 744         * configure, Makefile.in: Rebuild.
 745
 746 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 747
 748         PR other/81096
 749         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 750         * Makefile.in: Regenerate.
 751
 752 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 753
 754         PR other/81096
 755         * libbacktrace/Makefile.in
 756         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 757
 758 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 759
 760         PR bootstrap/81638
 761         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 762
 763 2017-07-28  Tony Reix  <tony.reix@atos.net>
 764
 765         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 766
 767 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 768
 769         * fileline.c (fileline_initialize): Print pid_t as long.
 770
 771 2017-07-26  Tony Reix  <tony.reix@atos.net>
 772
 773         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 774         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 775         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 776         * configure, config.h.in: Regenerate.
 777
 778 2017-07-21  Tony Reix  <tony.reix@atos.net>
 779
 780         * filetype.awk: Add AIX XCOFF type detection.
 781         * configure.ac: Recognize xcoff format.
 782         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 783         * fileline.c: Include <unistd.h>.
 784         (fileline_initialize): Add case for AIX procfs.
 785         * xcoff.c: New file.
 786         * configure, Makefile.in: Rebuild.
 787
 788 2017-06-21  Richard Biener  <rguenther@suse.de>
 789
 790         * configure.ac: Add AC_SYS_LARGEFILE.
 791         * config.h.in: Regenerate.
 792         * configure: Likewise.
 793
 794 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 795
 796         * elf.c (backtrace_initialize): Always set *fileline_fn.
 797         * ttest.c: New file.
 798         * btest.c: Move support functions into testlib.c.  Change calls to
 799         check to pass file name.
 800         * testlib.c: New file, copied from (part of) btest.c.
 801         * testlib.h: New file, declarations for testlib.c.
 802         * edtest.c: Use testlib.h and testlib.c.
 803         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 804         * Makefile.am (btest_SOURCES): Add testlib.c.
 805         (edtest_SOURCES): Likewise.
 806         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 807         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 808         * configure, Makefile.in: Rebuild.
 809
 810 2017-05-19  Than McIntosh  <thanm@google.com>
 811
 812         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 813         (read_line_header): Don't allocate dirs if dirs_count == 0.
 814         * edtest.c: New file.
 815         * edtest2.c: New file.
 816         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 817         (check_PROGRAMS): Add edtest.
 818         (edtest2_build.c, gen_edtest2_build): New targets.
 819         * Makefile.in: Rebuild.
 820
 821 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 822
 823         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 824         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 825
 826 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 827
 828         Update copyright years.
 829
 830 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 831
 832         * configure: Regenerate.
 833
 834 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 835
 836         * all: Remove meaningless trailing whitespace.
 837
 838 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 839
 840         PR target/71161
 841         * elf.c (phdr_callback) [__i386__]: Add
 842         __attribute__((__force_align_arg_pointer__)).
 843
 844 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 845
 846         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 847         avoid possible crash.
 848         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 849         missing debug info anymore.
 850
 851 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 852
 853         * mmap.c (MAP_FAILED): Define if not defined.
 854
 855 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 856
 857         Update copyright years.
 858
 859 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 860
 861         * configure.ac: Specify that DJGPP do not have mmap
 862         even when sys/mman.h exists.
 863         * configure: Regenerate
 864
 865 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 866
 867         PR libgfortran/68115
 868         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 869         * configure: Regenerate.
 870         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 871         to void.
 872
 873 2015-09-17  Ian Lance Taylor  <iant@google.com>
 874
 875         * posix.c (backtrace_open): Cast second argument of open() to int.
 876
 877 2015-09-11  Ian Lance Taylor  <iant@google.com>
 878
 879         * Makefile.am (backtrace.lo): Depend on internal.h.
 880         (sort.lo, stest.lo): Add explicit dependencies.
 881         * Makefile.in: Rebuild.
 882
 883 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 884
 885         * backtrace.c: #include <sys/types.h>.
 886
 887 2015-09-08  Ian Lance Taylor  <iant@google.com>
 888
 889         PR other/67457
 890         * backtrace.c: #include "internal.h".
 891         (struct backtrace_data): Add can_alloc field.
 892         (unwind): If can_alloc is false, don't try to get file/line
 893         information.
 894         (backtrace_full): Set can_alloc field in bdata.
 895         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 896         NULL.
 897         * mmap.c (backtrace_alloc): Likewise.
 898         * internal.h: Update comments for backtrace_alloc and
 899         backtrace_free.
 900
 901 2015-09-08  Ian Lance Taylor  <iant@google.com>
 902
 903         PR other/67457
 904         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 905
 906 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 907
 908         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 909         * configure: Regenerate.
 910
 911 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 912
 913         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 914         Remove setting PIC_FLAG when building as target library.
 915         * configure: Regenerate.
 916
 917 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 918
 919         * configure.ac: Only compile with -fPIC if the target
 920         supports it.
 921         * configure: Regenerate.
 922
 923 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 924
 925         * configure.ac: Set have_mmap to no on spu-*-* targets.
 926         * configure: Regenerate.
 927
 928 2015-08-13  Ian Lance Taylor  <iant@google.com>
 929
 930         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 931         Change all callers.
 932
 933 2015-06-11  Martin Sebor  <msebor@redhat.com>
 934
 935         PR sanitizer/65479
 936         * dwarf.c (struct line): Add new field idx.
 937         (line_compare): Use it.
 938         (add_line): Set it.
 939         (read_line_info): Reset it.
 940
 941 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 942
 943         * pecoff.c: New file.
 944         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 945         * Makefile.in: Regenerate.
 946         * filetype.awk: Detect pecoff.
 947         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 948         Add pecoff.
 949         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 950         true.
 951         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 952         * configure: Regenerate.
 953         * pecoff.c: New file.
 954
 955 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 956
 957         * Makefile.in: Regenerated with automake-1.11.6.
 958         * aclocal.m4: Likewise.
 959         * configure: Likewise.
 960
 961 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 962
 963         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 964         * configure: Regenerate.
 965
 966 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 967
 968         Update copyright years.
 969
 970 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 971
 972         PR bootstrap/63784
 973         * configure: Regenerated.
 974
 975 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 976
 977         * ChangeLog.jit: New.
 978
 979 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 980
 981         PR target/63610
 982         * configure: Regenerate.
 983
 984 2014-10-23  Ian Lance Taylor  <iant@google.com>
 985
 986         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 987         Fix to return void *.
 988
 989 2014-05-08  Ian Lance Taylor  <iant@google.com>
 990
 991         * mmap.c (backtrace_free): If freeing a large aligned block of
 992         memory, call munmap rather than holding onto it.
 993         (backtrace_vector_grow): When growing a vector, double the number
 994         of pages requested.  When releasing the old version of a grown
 995         vector, pass the correct size to backtrace_free.
 996
 997 2014-03-07  Ian Lance Taylor  <iant@google.com>
 998
 999         * sort.c (backtrace_qsort): Use middle element as pivot.
1000
1001 2014-03-06  Ian Lance Taylor  <iant@google.com>
1002
1003         * sort.c: New file.
1004         * stest.c: New file.
1005         * internal.h (backtrace_qsort): Declare.
1006         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1007         (read_line_info, read_function_entry): Likewise.
1008         (read_function_info, build_dwarf_data): Likewise.
1009         * elf.c (elf_initialize_syminfo): Likewise.
1010         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1011         (stest_SOURCES, stest_LDADD): Define.
1012         (check_PROGRAMS): Add stest.
1013
1014 2014-02-07  Misty De Meo  <misty@brew.sh>
1015
1016         PR target/58710
1017         * configure.ac: Use AC_LINK_IFELSE in check for
1018         _Unwind_GetIPInfo.
1019         * configure: Regenerate.
1020
1021 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1022
1023         Update copyright years
1024
1025 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
1026
1027         * elf.c (ET_DYN): Undefine and define again.
1028         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1029         return early -1 without closing the descriptor.
1030         (struct phdr_data): Add exe_descriptor.
1031         (phdr_callback): If pd->exe_descriptor is not -1, for very first
1032         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1033         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
1034         call to elf_add.
1035         (backtrace_initialize): Adjust call to elf_add.  If it returns
1036         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1037
1038 2013-12-05  Ian Lance Taylor  <iant@google.com>
1039
1040         * alloc.c (backtrace_vector_finish): Add error_callback and data
1041         parameters.  Call backtrace_vector_release.  Return address base.
1042         * mmap.c (backtrace_vector_finish): Add error_callback and data
1043         parameters.  Return address base.
1044         * dwarf.c (read_function_info): Get new address base from
1045         backtrace_vector_finish.
1046         * internal.h (backtrace_vector_finish): Update declaration.
1047
1048 2013-11-27  Ian Lance Taylor  <iant@google.com>
1049
1050         * dwarf.c (find_address_ranges): New static function, broken out
1051         of build_address_map.
1052         (build_address_map): Call it.
1053         * btest.c (check): Check for missing filename or function, rather
1054         than crashing.
1055         (f3): Check that enough frames were returned.
1056
1057 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
1058
1059         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1060         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1061         last argument.
1062         * btest.c (struct symdata): Add size field.
1063         (callback_three): Add symsize argument.  Copy it to the data->size
1064         field.
1065         (f23): Set symdata.size to 0.
1066         (test5): Likewise.  If sizeof (int) > 1, lookup address of
1067         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
1068         values.
1069
1070         * atomic.c: Include sys/types.h.
1071
1072 2013-11-18  Ian Lance Taylor  <iant@google.com>
1073
1074         * configure.ac: Check for support of __atomic extensions.
1075         * internal.h: Declare or #define atomic functions for use in
1076         backtrace code.
1077         * atomic.c: New file.
1078         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1079         (dwarf_fileline, backtrace_dwarf_add): Likewise.
1080         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1081         (backtrace_initialize): Likewise.
1082         * fileline.c (fileline_initialize): Likewise.
1083         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1084         * configure, config.h.in, Makefile.in: Rebuild.
1085
1086 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
1087
1088         * elf.c (SHN_UNDEF): Define.
1089         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
1090         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
1091         (elf_add): Adjust caller.
1092
1093         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1094
1095 2013-11-16  Ian Lance Taylor  <iant@google.com>
1096
1097         * backtrace.h (backtrace_create_state): Correct comment about
1098         threading.
1099
1100 2013-11-15  Ian Lance Taylor  <iant@google.com>
1101
1102         * backtrace.h (backtrace_syminfo): Update comment and parameter
1103         name to take any address, not just a PC value.
1104         * elf.c (STT_OBJECT): Define.
1105         (elf_nosyms): Rename parameter pc to addr.
1106         (elf_symbol_search): Rename local variable pc to addr.
1107         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1108         (elf_syminfo): Rename parameter pc to addr.
1109         * btest.c (global): New global variable.
1110         (test5): New test.
1111         (main): Call test5.
1112
1113 2013-10-17  Ian Lance Taylor  <iant@google.com>
1114
1115         * elf.c (elf_add): Don't get the wrong offsets if a debug section
1116         is missing.
1117
1118 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
1119
1120         * configure.ac: Add --enable-host-shared, setting up
1121         pre-existing PIC_FLAG variable within Makefile.am et al.
1122         * configure: Regenerate.
1123
1124 2013-09-20  Alan Modra  <amodra@gmail.com>
1125
1126         * configure: Regenerate.
1127
1128 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1129
1130         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1131
1132 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
1133
1134         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1135         dl_iterate_phdr callbacks.
1136
1137 2013-03-25  Ian Lance Taylor  <iant@google.com>
1138
1139         * alloc.c: #include <sys/types.h>.
1140         * mmap.c: Likewise.
1141
1142 2013-01-31  Ian Lance Taylor  <iant@google.com>
1143
1144         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1145         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1146
1147 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
1148
1149         PR other/56076
1150         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1151         attribute was not seen.
1152
1153 2013-01-16  Ian Lance Taylor  <iant@google.com>
1154
1155         * dwarf.c (struct unit): Add filename and abs_filename fields.
1156         (build_address_map): Set new fields when reading unit.
1157         (dwarf_lookup_pc): If we don't find an entry in the line table,
1158         just return the main file name.
1159
1160 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1161
1162         Update copyright years.
1163
1164 2013-01-01  Ian Lance Taylor  <iant@google.com>
1165
1166         PR bootstrap/54834
1167         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1168         $(MULTIBUILDTOP)/../../gcc/include.
1169         * Makefile.in: Rebuild.
1170
1171 2013-01-01  Ian Lance Taylor  <iant@google.com>
1172
1173         PR other/55536
1174         * mmap.c (backtrace_alloc): Don't call sync functions if not
1175         threaded.
1176         (backtrace_free): Likewise.
1177
1178 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1179
1180         * mmapio.c: Define MAP_FAILED if not defined.
1181
1182 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1183
1184         PR bootstrap/54926
1185         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1186         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1187         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1188         accepts it.
1189         * Makefile.in: Regenerated.
1190         * configure: Regenerated.
1191
1192 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR bootstrap/54926
1195         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1196         * Makefile.in: Regenerated.
1197
1198 2012-11-20  Ian Lance Taylor  <iant@google.com>
1199
1200         * dwarf.c (read_attribute): Always clear val.
1201
1202 2012-11-13  Ian Lance Taylor  <iant@google.com>
1203
1204         PR other/55312
1205         * configure.ac: Only add -Werror if building a target library.
1206         * configure: Rebuild.
1207
1208 2012-11-12  Ian Lance Taylor  <iant@google.com>
1209             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1210             Gerald Pfeifer  <gerald@pfeifer.com>
1211
1212         * configure.ac: Check for getexecname.
1213         * fileline.c: #include <errno.h>.  Define getexecname if not
1214         available.
1215         (fileline_initialize): Try to find the executable in a few
1216         different ways.
1217         * print.c (error_callback): Only print the filename if it came
1218         from the backtrace state.
1219         * configure, config.h.in: Rebuild.
1220
1221 2012-10-29  Ian Lance Taylor  <iant@google.com>
1222
1223         * mmap.c (backtrace_vector_release): Correct last patch: add
1224         aligned, not size.
1225
1226 2012-10-29  Ian Lance Taylor  <iant@google.com>
1227
1228         * mmap.c (backtrace_vector_release): Make sure freed block is
1229         aligned on 8-byte boundary.
1230
1231 2012-10-26  Ian Lance Taylor  <iant@google.com>
1232
1233         PR other/55087
1234         * posix.c (backtrace_open): Add does_not_exist parameter.
1235         * elf.c (phdr_callback): Do not warn if shared library could not
1236         be opened.
1237         * fileline.c (fileline_initialize): Update calls to
1238         backtrace_open.
1239         * internal.h (backtrace_open): Update declaration.
1240
1241 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1242
1243         PR target/55061
1244         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1245         * configure: Regenerate.
1246
1247 2012-10-24  Ian Lance Taylor  <iant@google.com>
1248
1249         PR target/55061
1250         * configure.ac: Check whether -funwind-tables option works.
1251         * configure: Rebuild.
1252
1253 2012-10-11  Ian Lance Taylor  <iant@google.com>
1254
1255         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1256         * configure: Rebuild.
1257
1258 2012-10-10  Ian Lance Taylor  <iant@google.com>
1259
1260         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1261         lower case.
1262
1263 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1264
1265         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1266
1267 2012-10-09  Ian Lance Taylor  <iant@google.com>
1268
1269         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1270         (backtrace_dwarf_add): Likewise.
1271
1272 2012-10-09  Ian Lance Taylor  <iant@google.com>
1273
1274         Add support for tracing through shared libraries.
1275         * configure.ac: Check for link.h and dl_iterate_phdr.
1276         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1277         ELF macros before #defining them.
1278         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1279         dl_iterate_phdr.
1280         (struct elf_syminfo_data): Add next field.
1281         (elf_initialize_syminfo): Initialize next field.
1282         (elf_add_syminfo_data): New static function.
1283         (elf_add): New static function, broken out of
1284         backtrace_initialize.  Call backtrace_dwarf_add instead of
1285         backtrace_dwarf_initialize.
1286         (struct phdr_data): Define.
1287         (phdr_callback): New static function.
1288         (backtrace_initialize): Call elf_add.
1289         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1290         (add_unit_addr): Add base_address parameter.  Change all callers.
1291         (add_unit_ranges, build_address_map): Likewise.
1292         (add_line): Add ddata parameter.  Change all callers.
1293         (read_line_program, add_function_range): Likewise.
1294         (dwarf_lookup_pc): New static function, broken out of
1295         dwarf_fileline.
1296         (dwarf_fileline): Call dwarf_lookup_pc.
1297         (build_dwarf_data): New static function.
1298         (backtrace_dwarf_add): New function.
1299         (backtrace_dwarf_initialize): Remove.
1300         * internal.h (backtrace_dwarf_initialize): Don't declare.
1301         (backtrace_dwarf_add): Declare.
1302         * configure, config.h.in: Rebuild.
1303
1304 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1305
1306         * btest.c (f23): Avoid uninitialized variable warning.
1307
1308 2012-10-04  Ian Lance Taylor  <iant@google.com>
1309
1310         * dwarf.c: If the system header files do not declare strnlen,
1311         provide our own version.
1312
1313 2012-10-03  Ian Lance Taylor  <iant@google.com>
1314
1315         * dwarf.c (read_uleb128): Fix overflow test.
1316         (read_sleb128): Likewise.
1317         (build_address_map): Don't change unit_buf.start.
1318
1319 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1320
1321         PR other/54761
1322         * configure.ac (EXTRA_FLAGS): New.
1323         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1324         * configure, Makefile.in: Regenerate.
1325
1326 2012-09-29  Ian Lance Taylor  <iant@google.com>
1327
1328         PR other/54749
1329         * fileline.c (fileline_initialize): Pass errnum as -1 when
1330         reporting that we could not read executable information after a
1331         previous failure.
1332
1333 2012-09-27  Ian Lance Taylor  <iant@google.com>
1334
1335         PR bootstrap/54732
1336         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1337         * Makefile.am: Add dependencies for all objects.
1338         * configure, aclocal.m4, Makefile.in: Rebuild.
1339
1340 2012-09-27  Ian Lance Taylor  <iant@google.com>
1341
1342         PR other/54726
1343         * elf.c (backtrace_initialize): Set *fileln_fn, not
1344         state->fileln_fn.
1345
1346 2012-09-19  Ian Lance Taylor  <iant@google.com>
1347
1348         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1349         as a target library.
1350         * configure: Rebuild.
1351
1352 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1353             Ian Lance Taylor  <iant@google.com>
1354
1355         * configure.ac (GCC_HEADER_STDINT): Invoke.
1356         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1357         * btest.c: Don't include <stdint.h>.
1358         * dwarf.c: Likewise.
1359         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1360
1361 2012-09-18  Ian Lance Taylor  <iant@google.com>
1362
1363         PR bootstrap/54623
1364         * Makefile.am (AM_CPPFLAGS): Define.
1365         (AM_CFLAGS): Remove -I options.
1366         * Makefile.in: Rebuild.
1367
1368 2012-09-18  Ian Lance Taylor  <iant@google.com>
1369
1370         * posix.c (O_BINARY): Define if not defined.
1371         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1372         HAVE_FCNTL is defined.
1373         * configure.ac: Test for the fcntl function.
1374         * configure, config.h.in: Rebuild.
1375
1376 2012-09-18  Ian Lance Taylor  <iant@google.com>
1377
1378         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1379
1380 2012-09-18  Ian Lance Taylor  <iant@google.com>
1381
1382         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1383
1384 2012-09-18  Ian Lance Taylor  <iant@google.com>
1385
1386         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1387         * mmapio.c: Don't define _GNU_SOURCE.
1388         * configure, config.h.in: Rebuild.
1389
1390 2012-09-18  Ian Lance Taylor  <iant@google.com>
1391
1392         * configure.ac: Check whether strnlen is declared.
1393         * dwarf.c: Declare strnlen if not declared.
1394         * configure, config.h.in: Rebuild.
1395
1396 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1397
1398         * fileline.c: Include <stdlib.h>.
1399         * mmap.c: Likewise.
1400
1401 2012-09-17  Ian Lance Taylor  <iant@google.com>
1402
1403         PR bootstrap/54611
1404         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1405         parameter.
1406
1407 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1408
1409         PR bootstrap/54611
1410         * nounwind.c (backtrace_simple): Add state parameter.
1411
1412 2012-09-17  Ian Lance Taylor  <iant@google.com>
1413
1414         PR bootstrap/54609
1415         * unknown.c (unknown_fileline): Add state parameter, remove
1416         fileline_data parameter, name error_callback parameter.
1417         (backtrace_initialize): Add state parameter.
1418
1419 2012-09-17  Ian Lance Taylor  <iant@google.com>
1420
1421         * Initial implementation.
1422 \f
1423 Copyright (C) 2012-2020 Free Software Foundation, Inc.
1424
1425 Copying and distribution of this file, with or without modification,
1426 are permitted in any medium without royalty provided the copyright
1427 notice and this notice are preserved.