libbacktrace/ChangeLog

   1 2019-05-03  Release Manager
   2
   3         * GCC 9.1.0 released.
   4
   5 2019-03-11  Ian Lance Taylor  <iant@golang.org>
   6
   7         PR libbacktrace/89669
   8         * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
   9         HAVE_ELF.
  10         * Makefile.in: Regenerate.
  11
  12 2019-02-26  Tom de Vries  <tdevries@suse.de>
  13
  14         * btest.c (test5): Allow global.* as minimal symbol name for global.
  15
  16 2019-02-26  Tom de Vries  <tdevries@suse.de>
  17
  18         * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
  19         * Makefile.in: Regenerate.
  20
  21 2019-02-12  Tom de Vries  <tdevries@suse.de>
  22
  23         PR libbacktrace/81983
  24         * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
  25
  26 2019-02-10  Tom de Vries  <tdevries@suse.de>
  27
  28         * Makefile.am (BUILDTESTS): Add btest_lto.
  29         * Makefile.in: Regenerate.
  30         * btest.c (test1, f2, f3, test3, f22, f23): Declare with
  31         __attribute__((noclone)).
  32
  33 2019-02-08  Tom de Vries  <tdevries@suse.de>
  34
  35         * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
  36         * print.c (backtrace_print): Same.
  37         * simple.c (backtrace_simple): Same.
  38
  39 2019-02-08  Tom de Vries  <tdevries@suse.de>
  40
  41         PR libbacktrace/78063
  42         * dwarf.c (build_address_map): Keep all parsed units.
  43         (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
  44
  45 2019-01-31  Tom de Vries  <tdevries@suse.de>
  46
  47         PR libbacktrace/89136
  48         * elf.c (elf_add): Read build-id if with_buildid_data.  Fix
  49         'debugaltlink_name_len =+ 1'.
  50
  51 2019-01-29  Tom de Vries  <tdevries@suse.de>
  52
  53         * install-debuginfo-for-buildid.sh.in: New script.
  54         * Makefile.am (check_PROGRAMS): Add b2test and b3test.
  55         (TESTS): Add b2test_buildid and b3test_dwz_buildid.
  56         * Makefile.in: Regenerate.
  57         * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
  58         (READELF): Set with AC_CHECK_PROG.
  59         (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
  60         * configure: Regenerate.
  61         * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
  62         (elf_open_debugfile_by_buildid): ... here.
  63
  64 2019-01-29  Tom de Vries  <tdevries@suse.de>
  65
  66         * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
  67         allocfail.
  68         (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
  69         (check_PROGRAMS): Add BUILDTESTS.
  70         * Makefile.in: Regenerate.
  71
  72 2019-01-28  Tom de Vries  <tdevries@suse.de>
  73
  74         * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
  75         Use $< to access prerequisite.
  76         * Makefile.in: Regenerate.
  77
  78 2019-01-25  Nathan Sidwell  <nathan@acm.org>
  79
  80         * elf.c (elf_add): Pass "" filename to recursive call with
  81         separated debug.
  82
  83 2019-01-25  Tom de Vries  <tdevries@suse.de>
  84
  85         * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
  86         filename == "".
  87         * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
  88         * Makefile.in: Regenerate.
  89
  90 2019-01-25  Tom de Vries  <tdevries@suse.de>
  91
  92         * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
  93         (TESTS): Rename dtest to btest_gnudebuglink.
  94         * Makefile.in: Regenerate.
  95
  96 2019-01-23  Tom de Vries  <tdevries@suse.de>
  97
  98         * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
  99         (units_search, find_unit): Use size_t for offset.
 100         (build_address_map): Use size_t for unit_offset.
 101
 102 2019-01-20  Gerald Pfeifer  <gerald@pfeifer.com>
 103
 104         * allocfail.c (main): Increase portability of printf statement.
 105
 106 2019-01-18  Ian Lance Taylor  <iant@golang.org>
 107
 108         PR libbacktrace/88890
 109         * mmapio.c (backtrace_get_view): Change size parameter to
 110         uint64_t.  Check that value fits in size_t.
 111         * read.c (backtrace_get_view): Likewise.
 112         * internal.h (backtrace_get_view): Update declaration.
 113         * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
 114
 115 2019-01-17  Tom de Vries  <tdevries@suse.de>
 116
 117         PR libbacktrace/82857
 118         * configure.ac (DWZ): Set with AC_CHECK_PROG.
 119         (HAVE_DWZ): Set with AM_CONDITIONAL.
 120         * configure: Regenerate.
 121         * Makefile.am (TESTS): Add btest_dwz.
 122         * Makefile.in: Regenerate.
 123
 124 2019-01-17  Tom de Vries  <tdevries@suse.de>
 125
 126         PR libbacktrace/82857
 127         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
 128         (read_attribute): Handle DW_FORM_GNU_ref_alt using
 129         ATTR_VAL_REF_ALT_INFO.
 130         (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
 131
 132 2019-01-17  Tom de Vries  <tdevries@suse.de>
 133
 134         * dwarf.c (struct unit): Add low_offset and high_offset fields.
 135         (struct unit_vector): New type.
 136         (struct dwarf_data): Add units and units_counts fields.
 137         (find_unit): New function.
 138         (find_address_ranges): Add and handle unit_tag parameter.
 139         (build_address_map): Add and handle units_vec parameter.
 140         (build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
 141         units vector.
 142
 143 2019-01-17  Tom de Vries  <tdevries@suse.de>
 144
 145         PR libbacktrace/82857
 146         * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
 147         using altlink.
 148
 149 2019-01-17  Tom de Vries  <tdevries@suse.de>
 150
 151         * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
 152         (read_attribute): Add altlink parameter.  Handle missing altlink for
 153         DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
 154         (find_address_ranges, build_address_map, build_dwarf_data): Add and
 155         handle altlink parameter.
 156         (read_referenced_name, read_function_entry): Add argument to
 157         read_attribute call.
 158
 159 2019-01-17  Tom de Vries  <tdevries@suse.de>
 160
 161         * dwarf.c (struct dwarf_data): Add altlink field.
 162         (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
 163         * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
 164         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 165         * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
 166         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 167         * xcoff.c (xcoff_add): Same.
 168
 169 2019-01-17  Tom de Vries  <tdevries@suse.de>
 170
 171         * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
 172         * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
 173         * elf.c (elf_add): Add and handle fileline_entry parameter.  Add
 174         argument to backtrace_dwarf_add call.
 175         (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
 176         * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
 177         * xcoff.c (xcoff_add): Same.
 178
 179 2019-01-17  Tom de Vries  <tdevries@suse.de>
 180
 181         * elf.c (elf_add): Add and handle with_buildid_data and
 182         with_buildid_size parameters.  Handle .gnu_debugaltlink section.
 183         (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
 184
 185 2019-01-16  Tom de Vries  <tdevries@suse.de>
 186
 187         * dwarf.c (read_referenced_name_from_attr): New function.  Factor out
 188         of ...
 189         (read_referenced_name): ... here, and ...
 190         (read_function_entry): ... here.
 191
 192 2019-01-16  Tom de Vries  <tdevries@suse.de>
 193
 194         * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
 195         name.
 196         (read_function_entry): Same.  Don't allow name found via
 197         DW_AT_abstract_origin or case DW_AT_specification to override linkage
 198         name.
 199
 200 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 201
 202         PR other/16615
 203
 204         * backtrace.h: Mechanically replace "can not" with "cannot".
 205
 206 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 207
 208         Update copyright years.
 209
 210 2018-12-29  Gerald Pfeifer  <gerald@pfeifer.com>
 211
 212         * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
 213         in sed pattern.
 214         * Makefile.in: Regenerate.
 215
 216 2018-12-28  Tom de Vries  <tdevries@suse.de>
 217
 218         * dwarf.c (build_address_map): Reuse unused units.
 219
 220 2018-12-28  Tom de Vries  <tdevries@suse.de>
 221
 222         * dwarf.c (build_address_map): Simplify by removing local variable
 223         abbrevs.
 224
 225 2018-12-28  Ian Lance Taylor  <iant@golang.org>
 226             Tom de Vries  <tdevries@suse.de>
 227
 228         PR libbacktrace/88063
 229         * dwarf.c (free_unit_addrs_vector): Remove.
 230         (build_address_map): Keep track of allocated units in vector.  Free
 231         allocated units and corresponding abbrevs upon failure.  Remove now
 232         redundant call to free_unit_addrs_vector.  Free addrs vector upon
 233         failure.  Free allocated unit vector.
 234
 235 2018-12-28  Tom de Vries  <tdevries@suse.de>
 236
 237         * dwarf.c (build_address_map): Free addrs vector upon failure.
 238
 239 2018-12-14  Tom de Vries  <tdevries@suse.de>
 240
 241         PR testsuite/88491
 242         * allocfail.sh: Remove "set -o pipefail".
 243
 244 2018-12-12  Tom de Vries  <tdevries@suse.de>
 245
 246         * Makefile.am (TESTS): Add allocfail.sh.
 247         (check_PROGRAMS): Add allocfail.
 248         * Makefile.in: Regenerate.
 249         * instrumented_alloc.c: New file.  Redefine malloc and realloc.
 250         Include alloc.c.
 251         * allocfail.c: New file.
 252         * allocfail.sh: New file.
 253
 254 2018-11-30  Tom de Vries  <tdevries@suse.de>
 255
 256         * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
 257         test_xcoff_64, test_pecoff and test_unknown.
 258         * Makefile.in: Regenerate.
 259         * test_format.c: New file.
 260
 261 2018-11-30  Tom de Vries  <tdevries@suse.de>
 262
 263         * Makefile.am : Add _with_alloc version for each test in
 264         check_PROGRAMS.
 265         * Makefile.in: Regenerate.
 266
 267 2018-11-30  Tom de Vries  <tdevries@suse.de>
 268
 269         * internal.h (backtrace_vector_free): New static inline fuction,
 270         factored out of ...
 271         * dwarf.c (read_line_info): ... here.
 272
 273 2018-11-28  Tom de Vries  <tdevries@suse.de>
 274
 275         * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
 276         failure.
 277
 278 2018-11-27  Tom de Vries  <tdevries@suse.de>
 279
 280         * mmap.c (backtrace_vector_release): Same.
 281         * unittest.c (test1): Add check.
 282
 283 2018-11-27  Tom de Vries  <tdevries@suse.de>
 284
 285         * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
 286         instead of realloc.
 287         * Makefile.am (check_PROGRAMS): Add unittest.
 288         * Makefile.in: Regenerate.
 289         * unittest.c: New file.
 290
 291 2018-11-22  Tom de Vries  <tdevries@suse.de>
 292
 293         * dwarf.c (read_initial_length): Factor out of ...
 294         (build_address_map, read_line_info): ... here.
 295
 296 2018-11-21  Tom de Vries  <tdevries@suse.de>
 297
 298         * dwarf.c (read_string): Factor out of ...
 299         (read_attribute, read_line_header, read_line_program): ... here.
 300
 301 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 302
 303         PR bootstrap/82856
 304         * Makefile.am: Include multilib.am.
 305         * configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
 306         * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
 307
 308 2018-10-05  Ian Lance Taylor  <iant@golang.org>
 309
 310         PR libbacktrace/87529
 311         * backtrace.h: Document that backtrace_create_state should be
 312         called only once.
 313
 314 2018-08-05 Iain Buclaw  <ibuclaw@gdcproject.org>
 315
 316         * configure.ac: Move define of HAVE_ZLIB into check for -lz.
 317         * Makefile.in: Regenerate.
 318         * config.h.in: Likewise.
 319         * configure: Likewise.
 320
 321 2018-08-01  Tony Reix  <tony.reix@atos.net>
 322
 323         * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
 324         (struct xcoff_func, struct xcoff_func_vector): New structs.
 325         (xcoff_syminfo): Drop leading dot from symbol name.
 326         (xcoff_line_compare, xcoff_line_search): Remove.
 327         (xcoff_func_compare, xcoff_func_search): New static functions.
 328         (xcoff_lookup_pc): Search function table.
 329         (xcoff_add_line, xcoff_process_linenos): Remove.
 330         (xcoff_initialize_fileline): Build function table.
 331
 332 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
 333
 334         PR other/86198
 335         * elf.c (elf_add): Increase ".note.gnu.build-id" section size
 336         checking up to 36 bytes.
 337
 338 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 339
 340         * configure: Regenerated.
 341
 342 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 343
 344         * configure: Regenerated.
 345
 346 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 347
 348         * backtrace.c: Revert last two changes.  Don't call mmap
 349         directly.
 350
 351 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 352
 353         * backtrace.c: Include backtrace-supported.h before checking
 354         BACKTRACE_USES_MALLOC.
 355
 356 2018-04-17  Ian Lance Taylor  <iant@golang.org>
 357
 358         * backtrace.c (backtrace_full): When testing whether we can
 359         allocate memory, call mmap directly, and munmap the memory.
 360
 361 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
 362
 363         PR other/85161
 364         * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
 365         big endian, only use 32-bit loads if endianity macros are predefined
 366         and indicate big or little endian.
 367
 368 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 369
 370         PR target/84148
 371         * configure: Regenerate.
 372
 373 2018-02-15  Jakub Jelinek  <jakub@redhat.com>
 374
 375         PR other/82368
 376         * elf.c (SHT_PROGBITS): Undefine and define.
 377
 378 2018-02-14  Jakub Jelinek  <jakub@redhat.com>
 379
 380         PR other/82368
 381         * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
 382         (struct elf_ppc64_opd_data): New type.
 383         (elf_initialize_syminfo): Add opd argument, handle symbols
 384         pointing into the PowerPC64 ELFv1 .opd section.
 385         (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
 386         to structure with .opd data to elf_initialize_syminfo.
 387
 388 2018-01-31  Ian Lance Taylor  <iant@golang.org>
 389
 390         * elf.c (elf_add): Close descriptor if we use a debugfile.
 391         * btest.c (check_open_files): New static function.
 392         (main): Call check_open_files.
 393
 394 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 395
 396         * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
 397         desired CRC is zero.
 398         (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
 399
 400 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 401
 402         * pecoff.c (coff_add): Only release syms_view if it is valid.
 403
 404 2018-01-25  Ian Lance Taylor  <iant@golang.org>
 405
 406         * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
 407
 408 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 409
 410         * pecoff.c (coff_add): Use coff_read4, not memcpy.
 411
 412 2018-01-24  Ian Lance Taylor  <iant@golang.org>
 413
 414         PR other/68239
 415         * mmap.c (backtrace_free_locked): Don't put more than 16 entries
 416         on the free list.
 417
 418 2018-01-19  Tony Reix  <tony.reix@atos.net>
 419
 420         * xcoff.c (xcoff_incl_compare): New function.
 421         (xcoff_incl_search): New function.
 422         (xcoff_process_linenos): Use bsearch to find include file.
 423         (xcoff_initialize_fileline): Sort include file information.
 424
 425 2018-01-16  Ian Lance Taylor  <iant@golang.org>
 426
 427         * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
 428         288.
 429         (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
 430         elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
 431         (elf_zlib_default_table): Update.
 432         (elf_zlib_default_dist_table): New static array.
 433         (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
 434         for block type 1.
 435         * ztest.c (struct zlib_test): Add uncompressed_len.
 436         (tests): Initialize uncompressed_len field.  Add new test case.
 437         (test_samples): Use uncompressed_len field.
 438
 439 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 440
 441         Update copyright years.
 442
 443 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 444
 445         * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
 446         * aclocal.m4: Regenerate.
 447         * Makefile.in: Likewise.
 448         * configure: Likewise.
 449
 450 2017-10-06  Ian Lance Taylor  <iant@golang.org>
 451
 452         * ztest.c (test_large): Pass unsigned long *, not size_t *, to
 453         zlib uncompress function.
 454
 455 2017-10-05  Ian Lance Taylor  <iant@golang.org>
 456
 457         * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
 458         Read a four byte integer.
 459         (elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
 460         boundary before ever calling elf_zlib_fetch.
 461         * ztest.c (test_large): Simplify print statements a bit.
 462
 463 2017-10-02  Ian Lance Taylor  <iant@golang.org>
 464
 465         * ztest.c: #include <errno.h>.
 466         (TEST_TIMING): Don't define, don't test.
 467         (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
 468         (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
 469         (ZLIB_CLOCK_GETTIME_ARG): Define.
 470         * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
 471         * Makefile.am: Likewise.
 472         * configure, Makefile.in: Rebuild.
 473
 474 2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
 475
 476         PR other/67165
 477         * Makefile.am: Append the content of clock_gettime_link to
 478         ztest_LDADD.
 479         * configure.ac: Test for the case that clock_gettime is in librt.
 480         * Makefile.in: Regenerate.
 481         * configure: Likewise.
 482
 483         PR other/67165
 484         * configure.ac: Check for clock_gettime.
 485         * config.h.in: Regenerate.
 486         * configure: Likewise.
 487         * ztest.c (average_time, test_large): Conditionalize test timing
 488         on clock_gettime availability.
 489
 490 2017-09-29  Tony Reix  <tony.reix@atos.net>
 491
 492         * xcoff.c: Initial support for DWARF debug sections in XCOFF.
 493         (STYP_DWARF, SSUBTYP_DW*): Define.
 494         (enum dwarf_section): Define.
 495         (struct dwsect_info): Define.
 496         (xcoff_add): Look for DWARF sections, pass them to
 497         backtrace_dwarf_add.
 498
 499 2017-09-28  Ian Lance Taylor  <iant@golang.org>
 500
 501         PR other/67165
 502         * elf.c (__builtin_prefetch): Define if not __GNUC__.
 503         (unlikely): Define.
 504         (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
 505         (b_elf_chdr): Define type.
 506         (enum debug_section): Add ZDEBUG_xxx values.
 507         (debug_section_names): Add names for new sections.
 508         (struct debug_section_info): Add compressed field.
 509         (elf_zlib_failed, elf_zlib_fetch): New static functions.
 510         (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
 511         (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
 512         (HUFFMAN_SECONDARY_SHIFT): Define.
 513         (ZDEBUG_TABLE_SIZE): Define.
 514         (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
 515         (final_next_secondary): New static variable if
 516         BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
 517         (elf_zlib_inflate_table): New static function.
 518         (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
 519         function to produce fixed Huffman table.
 520         (elf_zlib_default_table): New static variable.
 521         (elf_zlib_inflate): New static function.
 522         (elf_zlib_verify_checksum): Likewise.
 523         (elf_zlib_inflate_and_verify): Likewise.
 524         (elf_uncompress_zdebug): Likewise.
 525         (elf_uncompress_chdr): Likewise.
 526         (backtrace_uncompress_zdebug): New extern function.
 527         (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
 528         sections, and uncompress them.
 529         * internal.h (backtrace_compress_zdebug): Declare.
 530         * ztest.c: New file.
 531         * configure.ac: Check for -lz and check whether the linker
 532         supports --compress-debug-sections.
 533         * Makefile.am (ztest_SOURCES): New variable.
 534         (ztest_CFLAGS, ztest_LDADD): New variables.
 535         (check_PROGRAMS): Add ztest.
 536         (ctestg_SOURCES): New variable.
 537         (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
 538         (ctesta_SOURCES): New variable.
 539         (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
 540         (check_PROGRAMS): Add ctestg and ctesta.
 541         * configure, config.h.in, Makefile.in: Rebuild.
 542
 543 2017-09-22  Ian Lance Taylor  <iant@golang.org>
 544
 545         PR sanitizer/77631
 546         * configure.ac: Check for lstat and readlink.
 547         * elf.c (lstat, readlink): Provide dummy versions if real versions
 548         are not available.
 549         * configure, config.h.in: Rebuild.
 550
 551 2017-09-21  Ian Lance Taylor  <iant@google.com>
 552
 553         PR go/82284
 554         * elf.c (backtrace_initialize): Set pd.exe_filename.
 555
 556 2017-09-20  Ian Lance Taylor  <iant@golang.org>
 557             Denis Khalikov  <d.khalikov@partner.samsung.com>
 558
 559         PR sanitizer/77631
 560         Support for external debug info.
 561         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
 562         (S_ISLNK): Define if not defined.
 563         (xstrnlen): Define if strnlen is not available.
 564         (b_elf_note): Define type.
 565         (NT_GNU_BUILD_ID): Define macro.
 566         (elf_crc32, elf_crc32_file): New static functions.
 567         (elf_is_symlink, elf_readlink): New static functions.
 568         (elf_open_debugfile_by_buildid): New static function.
 569         (elf_try_debugfile): New static function.
 570         (elf_find_debugfile_by_debuglink): New static function.
 571         (elf_open_debugfile_by_debuglink): New static function.
 572         (elf_add): Add filename and debuginfo parameters.  Adjust all
 573         callers.  Look for external debug info notes, and try to fetch
 574         debug info from external file.
 575         (struct phdr_data): Add exe_filename field.
 576         (phdr_callback): Pass filename to elf_add.
 577         (backtrace_initialize): Add filename parameter.
 578         * internal.h (backtrace_initialize): Add filename parameter.
 579         * fileline.c (fileline_initialize): Pass filename to
 580         backtrace_initialize.
 581         * pecoff.c (fileline_initialize): Add unused filename parameter.
 582         * unknown.c (fileline_initialize): Likewise.
 583         * xcoff.c (fileline_initialize): Likewise.
 584         * configure.ac: Check for objcopy --add-gnu-debuglink.
 585         * Makefile.am (dtest): New test target.
 586         * configure, Makefile.in: Rebuild.
 587
 588 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 589
 590         PR other/81096
 591         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
 592         * Makefile.in: Regenerate.
 593
 594 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
 595
 596         PR other/81096
 597         * libbacktrace/Makefile.in
 598         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
 599
 600 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
 601
 602         PR bootstrap/81638
 603         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
 604
 605 2017-07-28  Tony Reix  <tony.reix@atos.net>
 606
 607         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
 608
 609 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 610
 611         * fileline.c (fileline_initialize): Print pid_t as long.
 612
 613 2017-07-26  Tony Reix  <tony.reix@atos.net>
 614
 615         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
 616         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
 617         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
 618         * configure, config.h.in: Regenerate.
 619
 620 2017-07-21  Tony Reix  <tony.reix@atos.net>
 621
 622         * filetype.awk: Add AIX XCOFF type detection.
 623         * configure.ac: Recognize xcoff format.
 624         * Makefile.am (FORMAT_FILES): Add xcoff.c.
 625         * fileline.c: Include <unistd.h>.
 626         (fileline_initialize): Add case for AIX procfs.
 627         * xcoff.c: New file.
 628         * configure, Makefile.in: Rebuild.
 629
 630 2017-06-21  Richard Biener  <rguenther@suse.de>
 631
 632         * configure.ac: Add AC_SYS_LARGEFILE.
 633         * config.h.in: Regenerate.
 634         * configure: Likewise.
 635
 636 2017-06-11  Ian Lance Taylor  <iant@golang.org>
 637
 638         * elf.c (backtrace_initialize): Always set *fileline_fn.
 639         * ttest.c: New file.
 640         * btest.c: Move support functions into testlib.c.  Change calls to
 641         check to pass file name.
 642         * testlib.c: New file, copied from (part of) btest.c.
 643         * testlib.h: New file, declarations for testlib.c.
 644         * edtest.c: Use testlib.h and testlib.c.
 645         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
 646         * Makefile.am (btest_SOURCES): Add testlib.c.
 647         (edtest_SOURCES): Likewise.
 648         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
 649         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 650         * configure, Makefile.in: Rebuild.
 651
 652 2017-05-19  Than McIntosh  <thanm@google.com>
 653
 654         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 655         (read_line_header): Don't allocate dirs if dirs_count == 0.
 656         * edtest.c: New file.
 657         * edtest2.c: New file.
 658         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 659         (check_PROGRAMS): Add edtest.
 660         (edtest2_build.c, gen_edtest2_build): New targets.
 661         * Makefile.in: Rebuild.
 662
 663 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 664
 665         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 666         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 667
 668 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 669
 670         Update copyright years.
 671
 672 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 673
 674         * configure: Regenerate.
 675
 676 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 677
 678         * all: Remove meaningless trailing whitespace.
 679
 680 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 681
 682         PR target/71161
 683         * elf.c (phdr_callback) [__i386__]: Add
 684         __attribute__((__force_align_arg_pointer__)).
 685
 686 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 687
 688         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 689         avoid possible crash.
 690         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 691         missing debug info anymore.
 692
 693 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 694
 695         * mmap.c (MAP_FAILED): Define if not defined.
 696
 697 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 698
 699         Update copyright years.
 700
 701 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 702
 703         * configure.ac: Specify that DJGPP do not have mmap
 704         even when sys/mman.h exists.
 705         * configure: Regenerate
 706
 707 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 708
 709         PR libgfortran/68115
 710         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 711         * configure: Regenerate.
 712         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 713         to void.
 714
 715 2015-09-17  Ian Lance Taylor  <iant@google.com>
 716
 717         * posix.c (backtrace_open): Cast second argument of open() to int.
 718
 719 2015-09-11  Ian Lance Taylor  <iant@google.com>
 720
 721         * Makefile.am (backtrace.lo): Depend on internal.h.
 722         (sort.lo, stest.lo): Add explicit dependencies.
 723         * Makefile.in: Rebuild.
 724
 725 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 726
 727         * backtrace.c: #include <sys/types.h>.
 728
 729 2015-09-08  Ian Lance Taylor  <iant@google.com>
 730
 731         PR other/67457
 732         * backtrace.c: #include "internal.h".
 733         (struct backtrace_data): Add can_alloc field.
 734         (unwind): If can_alloc is false, don't try to get file/line
 735         information.
 736         (backtrace_full): Set can_alloc field in bdata.
 737         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 738         NULL.
 739         * mmap.c (backtrace_alloc): Likewise.
 740         * internal.h: Update comments for backtrace_alloc and
 741         backtrace_free.
 742
 743 2015-09-08  Ian Lance Taylor  <iant@google.com>
 744
 745         PR other/67457
 746         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 747
 748 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 749
 750         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 751         * configure: Regenerate.
 752
 753 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 754
 755         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 756         Remove setting PIC_FLAG when building as target library.
 757         * configure: Regenerate.
 758
 759 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 760
 761         * configure.ac: Only compile with -fPIC if the target
 762         supports it.
 763         * configure: Regenerate.
 764
 765 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 766
 767         * configure.ac: Set have_mmap to no on spu-*-* targets.
 768         * configure: Regenerate.
 769
 770 2015-08-13  Ian Lance Taylor  <iant@google.com>
 771
 772         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 773         Change all callers.
 774
 775 2015-06-11  Martin Sebor  <msebor@redhat.com>
 776
 777         PR sanitizer/65479
 778         * dwarf.c (struct line): Add new field idx.
 779         (line_compare): Use it.
 780         (add_line): Set it.
 781         (read_line_info): Reset it.
 782
 783 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 784
 785         * pecoff.c: New file.
 786         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 787         * Makefile.in: Regenerate.
 788         * filetype.awk: Detect pecoff.
 789         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 790         Add pecoff.
 791         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 792         true.
 793         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 794         * configure: Regenerate.
 795         * pecoff.c: New file.
 796
 797 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 798
 799         * Makefile.in: Regenerated with automake-1.11.6.
 800         * aclocal.m4: Likewise.
 801         * configure: Likewise.
 802
 803 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 804
 805         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 806         * configure: Regenerate.
 807
 808 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 809
 810         Update copyright years.
 811
 812 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 813
 814         PR bootstrap/63784
 815         * configure: Regenerated.
 816
 817 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 818
 819         * ChangeLog.jit: New.
 820
 821 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 822
 823         PR target/63610
 824         * configure: Regenerate.
 825
 826 2014-10-23  Ian Lance Taylor  <iant@google.com>
 827
 828         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 829         Fix to return void *.
 830
 831 2014-05-08  Ian Lance Taylor  <iant@google.com>
 832
 833         * mmap.c (backtrace_free): If freeing a large aligned block of
 834         memory, call munmap rather than holding onto it.
 835         (backtrace_vector_grow): When growing a vector, double the number
 836         of pages requested.  When releasing the old version of a grown
 837         vector, pass the correct size to backtrace_free.
 838
 839 2014-03-07  Ian Lance Taylor  <iant@google.com>
 840
 841         * sort.c (backtrace_qsort): Use middle element as pivot.
 842
 843 2014-03-06  Ian Lance Taylor  <iant@google.com>
 844
 845         * sort.c: New file.
 846         * stest.c: New file.
 847         * internal.h (backtrace_qsort): Declare.
 848         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 849         (read_line_info, read_function_entry): Likewise.
 850         (read_function_info, build_dwarf_data): Likewise.
 851         * elf.c (elf_initialize_syminfo): Likewise.
 852         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 853         (stest_SOURCES, stest_LDADD): Define.
 854         (check_PROGRAMS): Add stest.
 855
 856 2014-02-07  Misty De Meo  <misty@brew.sh>
 857
 858         PR target/58710
 859         * configure.ac: Use AC_LINK_IFELSE in check for
 860         _Unwind_GetIPInfo.
 861         * configure: Regenerate.
 862
 863 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 864
 865         Update copyright years
 866
 867 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 868
 869         * elf.c (ET_DYN): Undefine and define again.
 870         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 871         return early -1 without closing the descriptor.
 872         (struct phdr_data): Add exe_descriptor.
 873         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 874         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 875         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 876         call to elf_add.
 877         (backtrace_initialize): Adjust call to elf_add.  If it returns
 878         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 879
 880 2013-12-05  Ian Lance Taylor  <iant@google.com>
 881
 882         * alloc.c (backtrace_vector_finish): Add error_callback and data
 883         parameters.  Call backtrace_vector_release.  Return address base.
 884         * mmap.c (backtrace_vector_finish): Add error_callback and data
 885         parameters.  Return address base.
 886         * dwarf.c (read_function_info): Get new address base from
 887         backtrace_vector_finish.
 888         * internal.h (backtrace_vector_finish): Update declaration.
 889
 890 2013-11-27  Ian Lance Taylor  <iant@google.com>
 891
 892         * dwarf.c (find_address_ranges): New static function, broken out
 893         of build_address_map.
 894         (build_address_map): Call it.
 895         * btest.c (check): Check for missing filename or function, rather
 896         than crashing.
 897         (f3): Check that enough frames were returned.
 898
 899 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 900
 901         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 902         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 903         last argument.
 904         * btest.c (struct symdata): Add size field.
 905         (callback_three): Add symsize argument.  Copy it to the data->size
 906         field.
 907         (f23): Set symdata.size to 0.
 908         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 909         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 910         values.
 911
 912         * atomic.c: Include sys/types.h.
 913
 914 2013-11-18  Ian Lance Taylor  <iant@google.com>
 915
 916         * configure.ac: Check for support of __atomic extensions.
 917         * internal.h: Declare or #define atomic functions for use in
 918         backtrace code.
 919         * atomic.c: New file.
 920         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 921         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 922         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 923         (backtrace_initialize): Likewise.
 924         * fileline.c (fileline_initialize): Likewise.
 925         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 926         * configure, config.h.in, Makefile.in: Rebuild.
 927
 928 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
 929
 930         * elf.c (SHN_UNDEF): Define.
 931         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
 932         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
 933         (elf_add): Adjust caller.
 934
 935         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
 936
 937 2013-11-16  Ian Lance Taylor  <iant@google.com>
 938
 939         * backtrace.h (backtrace_create_state): Correct comment about
 940         threading.
 941
 942 2013-11-15  Ian Lance Taylor  <iant@google.com>
 943
 944         * backtrace.h (backtrace_syminfo): Update comment and parameter
 945         name to take any address, not just a PC value.
 946         * elf.c (STT_OBJECT): Define.
 947         (elf_nosyms): Rename parameter pc to addr.
 948         (elf_symbol_search): Rename local variable pc to addr.
 949         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
 950         (elf_syminfo): Rename parameter pc to addr.
 951         * btest.c (global): New global variable.
 952         (test5): New test.
 953         (main): Call test5.
 954
 955 2013-10-17  Ian Lance Taylor  <iant@google.com>
 956
 957         * elf.c (elf_add): Don't get the wrong offsets if a debug section
 958         is missing.
 959
 960 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 961
 962         * configure.ac: Add --enable-host-shared, setting up
 963         pre-existing PIC_FLAG variable within Makefile.am et al.
 964         * configure: Regenerate.
 965
 966 2013-09-20  Alan Modra  <amodra@gmail.com>
 967
 968         * configure: Regenerate.
 969
 970 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 971
 972         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
 973
 974 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 975
 976         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
 977         dl_iterate_phdr callbacks.
 978
 979 2013-03-25  Ian Lance Taylor  <iant@google.com>
 980
 981         * alloc.c: #include <sys/types.h>.
 982         * mmap.c: Likewise.
 983
 984 2013-01-31  Ian Lance Taylor  <iant@google.com>
 985
 986         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
 987         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
 988
 989 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
 990
 991         PR other/56076
 992         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
 993         attribute was not seen.
 994
 995 2013-01-16  Ian Lance Taylor  <iant@google.com>
 996
 997         * dwarf.c (struct unit): Add filename and abs_filename fields.
 998         (build_address_map): Set new fields when reading unit.
 999         (dwarf_lookup_pc): If we don't find an entry in the line table,
1000         just return the main file name.
1001
1002 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
1003
1004         Update copyright years.
1005
1006 2013-01-01  Ian Lance Taylor  <iant@google.com>
1007
1008         PR bootstrap/54834
1009         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1010         $(MULTIBUILDTOP)/../../gcc/include.
1011         * Makefile.in: Rebuild.
1012
1013 2013-01-01  Ian Lance Taylor  <iant@google.com>
1014
1015         PR other/55536
1016         * mmap.c (backtrace_alloc): Don't call sync functions if not
1017         threaded.
1018         (backtrace_free): Likewise.
1019
1020 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1021
1022         * mmapio.c: Define MAP_FAILED if not defined.
1023
1024 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
1025
1026         PR bootstrap/54926
1027         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1028         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1029         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1030         accepts it.
1031         * Makefile.in: Regenerated.
1032         * configure: Regenerated.
1033
1034 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR bootstrap/54926
1037         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1038         * Makefile.in: Regenerated.
1039
1040 2012-11-20  Ian Lance Taylor  <iant@google.com>
1041
1042         * dwarf.c (read_attribute): Always clear val.
1043
1044 2012-11-13  Ian Lance Taylor  <iant@google.com>
1045
1046         PR other/55312
1047         * configure.ac: Only add -Werror if building a target library.
1048         * configure: Rebuild.
1049
1050 2012-11-12  Ian Lance Taylor  <iant@google.com>
1051             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1052             Gerald Pfeifer  <gerald@pfeifer.com>
1053
1054         * configure.ac: Check for getexecname.
1055         * fileline.c: #include <errno.h>.  Define getexecname if not
1056         available.
1057         (fileline_initialize): Try to find the executable in a few
1058         different ways.
1059         * print.c (error_callback): Only print the filename if it came
1060         from the backtrace state.
1061         * configure, config.h.in: Rebuild.
1062
1063 2012-10-29  Ian Lance Taylor  <iant@google.com>
1064
1065         * mmap.c (backtrace_vector_release): Correct last patch: add
1066         aligned, not size.
1067
1068 2012-10-29  Ian Lance Taylor  <iant@google.com>
1069
1070         * mmap.c (backtrace_vector_release): Make sure freed block is
1071         aligned on 8-byte boundary.
1072
1073 2012-10-26  Ian Lance Taylor  <iant@google.com>
1074
1075         PR other/55087
1076         * posix.c (backtrace_open): Add does_not_exist parameter.
1077         * elf.c (phdr_callback): Do not warn if shared library could not
1078         be opened.
1079         * fileline.c (fileline_initialize): Update calls to
1080         backtrace_open.
1081         * internal.h (backtrace_open): Update declaration.
1082
1083 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
1084
1085         PR target/55061
1086         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1087         * configure: Regenerate.
1088
1089 2012-10-24  Ian Lance Taylor  <iant@google.com>
1090
1091         PR target/55061
1092         * configure.ac: Check whether -funwind-tables option works.
1093         * configure: Rebuild.
1094
1095 2012-10-11  Ian Lance Taylor  <iant@google.com>
1096
1097         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1098         * configure: Rebuild.
1099
1100 2012-10-10  Ian Lance Taylor  <iant@google.com>
1101
1102         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1103         lower case.
1104
1105 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
1106
1107         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1108
1109 2012-10-09  Ian Lance Taylor  <iant@google.com>
1110
1111         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1112         (backtrace_dwarf_add): Likewise.
1113
1114 2012-10-09  Ian Lance Taylor  <iant@google.com>
1115
1116         Add support for tracing through shared libraries.
1117         * configure.ac: Check for link.h and dl_iterate_phdr.
1118         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
1119         ELF macros before #defining them.
1120         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1121         dl_iterate_phdr.
1122         (struct elf_syminfo_data): Add next field.
1123         (elf_initialize_syminfo): Initialize next field.
1124         (elf_add_syminfo_data): New static function.
1125         (elf_add): New static function, broken out of
1126         backtrace_initialize.  Call backtrace_dwarf_add instead of
1127         backtrace_dwarf_initialize.
1128         (struct phdr_data): Define.
1129         (phdr_callback): New static function.
1130         (backtrace_initialize): Call elf_add.
1131         * dwarf.c (struct dwarf_data): Add next and base_address fields.
1132         (add_unit_addr): Add base_address parameter.  Change all callers.
1133         (add_unit_ranges, build_address_map): Likewise.
1134         (add_line): Add ddata parameter.  Change all callers.
1135         (read_line_program, add_function_range): Likewise.
1136         (dwarf_lookup_pc): New static function, broken out of
1137         dwarf_fileline.
1138         (dwarf_fileline): Call dwarf_lookup_pc.
1139         (build_dwarf_data): New static function.
1140         (backtrace_dwarf_add): New function.
1141         (backtrace_dwarf_initialize): Remove.
1142         * internal.h (backtrace_dwarf_initialize): Don't declare.
1143         (backtrace_dwarf_add): Declare.
1144         * configure, config.h.in: Rebuild.
1145
1146 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
1147
1148         * btest.c (f23): Avoid uninitialized variable warning.
1149
1150 2012-10-04  Ian Lance Taylor  <iant@google.com>
1151
1152         * dwarf.c: If the system header files do not declare strnlen,
1153         provide our own version.
1154
1155 2012-10-03  Ian Lance Taylor  <iant@google.com>
1156
1157         * dwarf.c (read_uleb128): Fix overflow test.
1158         (read_sleb128): Likewise.
1159         (build_address_map): Don't change unit_buf.start.
1160
1161 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1162
1163         PR other/54761
1164         * configure.ac (EXTRA_FLAGS): New.
1165         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1166         * configure, Makefile.in: Regenerate.
1167
1168 2012-09-29  Ian Lance Taylor  <iant@google.com>
1169
1170         PR other/54749
1171         * fileline.c (fileline_initialize): Pass errnum as -1 when
1172         reporting that we could not read executable information after a
1173         previous failure.
1174
1175 2012-09-27  Ian Lance Taylor  <iant@google.com>
1176
1177         PR bootstrap/54732
1178         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1179         * Makefile.am: Add dependencies for all objects.
1180         * configure, aclocal.m4, Makefile.in: Rebuild.
1181
1182 2012-09-27  Ian Lance Taylor  <iant@google.com>
1183
1184         PR other/54726
1185         * elf.c (backtrace_initialize): Set *fileln_fn, not
1186         state->fileln_fn.
1187
1188 2012-09-19  Ian Lance Taylor  <iant@google.com>
1189
1190         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1191         as a target library.
1192         * configure: Rebuild.
1193
1194 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1195             Ian Lance Taylor  <iant@google.com>
1196
1197         * configure.ac (GCC_HEADER_STDINT): Invoke.
1198         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1199         * btest.c: Don't include <stdint.h>.
1200         * dwarf.c: Likewise.
1201         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1202
1203 2012-09-18  Ian Lance Taylor  <iant@google.com>
1204
1205         PR bootstrap/54623
1206         * Makefile.am (AM_CPPFLAGS): Define.
1207         (AM_CFLAGS): Remove -I options.
1208         * Makefile.in: Rebuild.
1209
1210 2012-09-18  Ian Lance Taylor  <iant@google.com>
1211
1212         * posix.c (O_BINARY): Define if not defined.
1213         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
1214         HAVE_FCNTL is defined.
1215         * configure.ac: Test for the fcntl function.
1216         * configure, config.h.in: Rebuild.
1217
1218 2012-09-18  Ian Lance Taylor  <iant@google.com>
1219
1220         * btest.c (test1, test2, test3, test4): Add the unused attribute.
1221
1222 2012-09-18  Ian Lance Taylor  <iant@google.com>
1223
1224         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1225
1226 2012-09-18  Ian Lance Taylor  <iant@google.com>
1227
1228         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1229         * mmapio.c: Don't define _GNU_SOURCE.
1230         * configure, config.h.in: Rebuild.
1231
1232 2012-09-18  Ian Lance Taylor  <iant@google.com>
1233
1234         * configure.ac: Check whether strnlen is declared.
1235         * dwarf.c: Declare strnlen if not declared.
1236         * configure, config.h.in: Rebuild.
1237
1238 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1239
1240         * fileline.c: Include <stdlib.h>.
1241         * mmap.c: Likewise.
1242
1243 2012-09-17  Ian Lance Taylor  <iant@google.com>
1244
1245         PR bootstrap/54611
1246         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
1247         parameter.
1248
1249 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
1250
1251         PR bootstrap/54611
1252         * nounwind.c (backtrace_simple): Add state parameter.
1253
1254 2012-09-17  Ian Lance Taylor  <iant@google.com>
1255
1256         PR bootstrap/54609
1257         * unknown.c (unknown_fileline): Add state parameter, remove
1258         fileline_data parameter, name error_callback parameter.
1259         (backtrace_initialize): Add state parameter.
1260
1261 2012-09-17  Ian Lance Taylor  <iant@google.com>
1262
1263         * Initial implementation.
1264 \f
1265 Copyright (C) 2012-2019 Free Software Foundation, Inc.
1266
1267 Copying and distribution of this file, with or without modification,
1268 are permitted in any medium without royalty provided the copyright
1269 notice and this notice are preserved.