libbacktrace/ChangeLog

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