libbacktrace/ChangeLog

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