libbacktrace/ChangeLog

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