libbacktrace/ChangeLog

   1 2015-08-13  Ian Lance Taylor  <iant@google.com>
   2
   3         * dwarf.c (read_function_entry): Add vec_inlined parameter.
   4         Change all callers.
   5
   6 2015-06-11  Martin Sebor  <msebor@redhat.com>
   7
   8         PR sanitizer/65479
   9         * dwarf.c (struct line): Add new field idx.
  10         (line_compare): Use it.
  11         (add_line): Set it.
  12         (read_line_info): Reset it.
  13
  14 2015-05-29  Tristan Gingold  <gingold@adacore.com>
  15
  16         * pecoff.c: New file.
  17         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
  18         * Makefile.in: Regenerate.
  19         * filetype.awk: Detect pecoff.
  20         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
  21         Add pecoff.
  22         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
  23         true.
  24         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
  25         * configure: Regenerate.
  26         * pecoff.c: New file.
  27
  28 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
  29
  30         * Makefile.in: Regenerated with automake-1.11.6.
  31         * aclocal.m4: Likewise.
  32         * configure: Likewise.
  33
  34 2015-01-24  Matthias Klose  <doko@ubuntu.com>
  35
  36         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
  37         * configure: Regenerate.
  38
  39 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  40
  41         Update copyright years.
  42
  43 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  44
  45         PR bootstrap/63784
  46         * configure: Regenerated.
  47
  48 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
  49
  50         * ChangeLog.jit: New.
  51
  52 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  53
  54         PR target/63610
  55         * configure: Regenerate.
  56
  57 2014-10-23  Ian Lance Taylor  <iant@google.com>
  58
  59         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
  60         Fix to return void *.
  61
  62 2014-05-08  Ian Lance Taylor  <iant@google.com>
  63
  64         * mmap.c (backtrace_free): If freeing a large aligned block of
  65         memory, call munmap rather than holding onto it.
  66         (backtrace_vector_grow): When growing a vector, double the number
  67         of pages requested.  When releasing the old version of a grown
  68         vector, pass the correct size to backtrace_free.
  69
  70 2014-03-07  Ian Lance Taylor  <iant@google.com>
  71
  72         * sort.c (backtrace_qsort): Use middle element as pivot.
  73
  74 2014-03-06  Ian Lance Taylor  <iant@google.com>
  75
  76         * sort.c: New file.
  77         * stest.c: New file.
  78         * internal.h (backtrace_qsort): Declare.
  79         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
  80         (read_line_info, read_function_entry): Likewise.
  81         (read_function_info, build_dwarf_data): Likewise.
  82         * elf.c (elf_initialize_syminfo): Likewise.
  83         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
  84         (stest_SOURCES, stest_LDADD): Define.
  85         (check_PROGRAMS): Add stest.
  86
  87 2014-02-07  Misty De Meo  <misty@brew.sh>
  88
  89         PR target/58710
  90         * configure.ac: Use AC_LINK_IFELSE in check for
  91         _Unwind_GetIPInfo.
  92         * configure: Regenerate.
  93
  94 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  95
  96         Update copyright years
  97
  98 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
  99
 100         * elf.c (ET_DYN): Undefine and define again.
 101         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 102         return early -1 without closing the descriptor.
 103         (struct phdr_data): Add exe_descriptor.
 104         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 105         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 106         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 107         call to elf_add.
 108         (backtrace_initialize): Adjust call to elf_add.  If it returns
 109         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 110
 111 2013-12-05  Ian Lance Taylor  <iant@google.com>
 112
 113         * alloc.c (backtrace_vector_finish): Add error_callback and data
 114         parameters.  Call backtrace_vector_release.  Return address base.
 115         * mmap.c (backtrace_vector_finish): Add error_callback and data
 116         parameters.  Return address base.
 117         * dwarf.c (read_function_info): Get new address base from
 118         backtrace_vector_finish.
 119         * internal.h (backtrace_vector_finish): Update declaration.
 120
 121 2013-11-27  Ian Lance Taylor  <iant@google.com>
 122
 123         * dwarf.c (find_address_ranges): New static function, broken out
 124         of build_address_map.
 125         (build_address_map): Call it.
 126         * btest.c (check): Check for missing filename or function, rather
 127         than crashing.
 128         (f3): Check that enough frames were returned.
 129
 130 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 131
 132         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 133         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 134         last argument.
 135         * btest.c (struct symdata): Add size field.
 136         (callback_three): Add symsize argument.  Copy it to the data->size
 137         field.
 138         (f23): Set symdata.size to 0.
 139         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 140         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 141         values.
 142
 143         * atomic.c: Include sys/types.h.
 144
 145 2013-11-18  Ian Lance Taylor  <iant@google.com>
 146
 147         * configure.ac: Check for support of __atomic extensions.
 148         * internal.h: Declare or #define atomic functions for use in
 149         backtrace code.
 150         * atomic.c: New file.
 151         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 152         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 153         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 154         (backtrace_initialize): Likewise.
 155         * fileline.c (fileline_initialize): Likewise.
 156         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 157         * configure, config.h.in, Makefile.in: Rebuild.
 158
 159 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
 160
 161         * elf.c (SHN_UNDEF): Define.
 162         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
 163         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
 164         (elf_add): Adjust caller.
 165
 166         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
 167
 168 2013-11-16  Ian Lance Taylor  <iant@google.com>
 169
 170         * backtrace.h (backtrace_create_state): Correct comment about
 171         threading.
 172
 173 2013-11-15  Ian Lance Taylor  <iant@google.com>
 174
 175         * backtrace.h (backtrace_syminfo): Update comment and parameter
 176         name to take any address, not just a PC value.
 177         * elf.c (STT_OBJECT): Define.
 178         (elf_nosyms): Rename parameter pc to addr.
 179         (elf_symbol_search): Rename local variable pc to addr.
 180         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
 181         (elf_syminfo): Rename parameter pc to addr.
 182         * btest.c (global): New global variable.
 183         (test5): New test.
 184         (main): Call test5.
 185
 186 2013-10-17  Ian Lance Taylor  <iant@google.com>
 187
 188         * elf.c (elf_add): Don't get the wrong offsets if a debug section
 189         is missing.
 190
 191 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 192
 193         * configure.ac: Add --enable-host-shared, setting up
 194         pre-existing PIC_FLAG variable within Makefile.am et al.
 195         * configure: Regenerate.
 196
 197 2013-09-20  Alan Modra  <amodra@gmail.com>
 198
 199         * configure: Regenerate.
 200
 201 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 202
 203         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
 204
 205 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 206
 207         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
 208         dl_iterate_phdr callbacks.
 209
 210 2013-03-25  Ian Lance Taylor  <iant@google.com>
 211
 212         * alloc.c: #include <sys/types.h>.
 213         * mmap.c: Likewise.
 214
 215 2013-01-31  Ian Lance Taylor  <iant@google.com>
 216
 217         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
 218         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
 219
 220 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
 221
 222         PR other/56076
 223         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
 224         attribute was not seen.
 225
 226 2013-01-16  Ian Lance Taylor  <iant@google.com>
 227
 228         * dwarf.c (struct unit): Add filename and abs_filename fields.
 229         (build_address_map): Set new fields when reading unit.
 230         (dwarf_lookup_pc): If we don't find an entry in the line table,
 231         just return the main file name.
 232
 233 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
 234
 235         Update copyright years.
 236
 237 2013-01-01  Ian Lance Taylor  <iant@google.com>
 238
 239         PR bootstrap/54834
 240         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
 241         $(MULTIBUILDTOP)/../../gcc/include.
 242         * Makefile.in: Rebuild.
 243
 244 2013-01-01  Ian Lance Taylor  <iant@google.com>
 245
 246         PR other/55536
 247         * mmap.c (backtrace_alloc): Don't call sync functions if not
 248         threaded.
 249         (backtrace_free): Likewise.
 250
 251 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 252
 253         * mmapio.c: Define MAP_FAILED if not defined.
 254
 255 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
 256
 257         PR bootstrap/54926
 258         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
 259         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
 260         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
 261         accepts it.
 262         * Makefile.in: Regenerated.
 263         * configure: Regenerated.
 264
 265 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
 266
 267         PR bootstrap/54926
 268         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
 269         * Makefile.in: Regenerated.
 270
 271 2012-11-20  Ian Lance Taylor  <iant@google.com>
 272
 273         * dwarf.c (read_attribute): Always clear val.
 274
 275 2012-11-13  Ian Lance Taylor  <iant@google.com>
 276
 277         PR other/55312
 278         * configure.ac: Only add -Werror if building a target library.
 279         * configure: Rebuild.
 280
 281 2012-11-12  Ian Lance Taylor  <iant@google.com>
 282             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 283             Gerald Pfeifer  <gerald@pfeifer.com>
 284
 285         * configure.ac: Check for getexecname.
 286         * fileline.c: #include <errno.h>.  Define getexecname if not
 287         available.
 288         (fileline_initialize): Try to find the executable in a few
 289         different ways.
 290         * print.c (error_callback): Only print the filename if it came
 291         from the backtrace state.
 292         * configure, config.h.in: Rebuild.
 293
 294 2012-10-29  Ian Lance Taylor  <iant@google.com>
 295
 296         * mmap.c (backtrace_vector_release): Correct last patch: add
 297         aligned, not size.
 298
 299 2012-10-29  Ian Lance Taylor  <iant@google.com>
 300
 301         * mmap.c (backtrace_vector_release): Make sure freed block is
 302         aligned on 8-byte boundary.
 303
 304 2012-10-26  Ian Lance Taylor  <iant@google.com>
 305
 306         PR other/55087
 307         * posix.c (backtrace_open): Add does_not_exist parameter.
 308         * elf.c (phdr_callback): Do not warn if shared library could not
 309         be opened.
 310         * fileline.c (fileline_initialize): Update calls to
 311         backtrace_open.
 312         * internal.h (backtrace_open): Update declaration.
 313
 314 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
 315
 316         PR target/55061
 317         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
 318         * configure: Regenerate.
 319
 320 2012-10-24  Ian Lance Taylor  <iant@google.com>
 321
 322         PR target/55061
 323         * configure.ac: Check whether -funwind-tables option works.
 324         * configure: Rebuild.
 325
 326 2012-10-11  Ian Lance Taylor  <iant@google.com>
 327
 328         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
 329         * configure: Rebuild.
 330
 331 2012-10-10  Ian Lance Taylor  <iant@google.com>
 332
 333         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
 334         lower case.
 335
 336 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
 337
 338         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
 339
 340 2012-10-09  Ian Lance Taylor  <iant@google.com>
 341
 342         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
 343         (backtrace_dwarf_add): Likewise.
 344
 345 2012-10-09  Ian Lance Taylor  <iant@google.com>
 346
 347         Add support for tracing through shared libraries.
 348         * configure.ac: Check for link.h and dl_iterate_phdr.
 349         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
 350         ELF macros before #defining them.
 351         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
 352         dl_iterate_phdr.
 353         (struct elf_syminfo_data): Add next field.
 354         (elf_initialize_syminfo): Initialize next field.
 355         (elf_add_syminfo_data): New static function.
 356         (elf_add): New static function, broken out of
 357         backtrace_initialize.  Call backtrace_dwarf_add instead of
 358         backtrace_dwarf_initialize.
 359         (struct phdr_data): Define.
 360         (phdr_callback): New static function.
 361         (backtrace_initialize): Call elf_add.
 362         * dwarf.c (struct dwarf_data): Add next and base_address fields.
 363         (add_unit_addr): Add base_address parameter.  Change all callers.
 364         (add_unit_ranges, build_address_map): Likewise.
 365         (add_line): Add ddata parameter.  Change all callers.
 366         (read_line_program, add_function_range): Likewise.
 367         (dwarf_lookup_pc): New static function, broken out of
 368         dwarf_fileline.
 369         (dwarf_fileline): Call dwarf_lookup_pc.
 370         (build_dwarf_data): New static function.
 371         (backtrace_dwarf_add): New function.
 372         (backtrace_dwarf_initialize): Remove.
 373         * internal.h (backtrace_dwarf_initialize): Don't declare.
 374         (backtrace_dwarf_add): Declare.
 375         * configure, config.h.in: Rebuild.
 376
 377 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
 378
 379         * btest.c (f23): Avoid uninitialized variable warning.
 380
 381 2012-10-04  Ian Lance Taylor  <iant@google.com>
 382
 383         * dwarf.c: If the system header files do not declare strnlen,
 384         provide our own version.
 385
 386 2012-10-03  Ian Lance Taylor  <iant@google.com>
 387
 388         * dwarf.c (read_uleb128): Fix overflow test.
 389         (read_sleb128): Likewise.
 390         (build_address_map): Don't change unit_buf.start.
 391
 392 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 393
 394         PR other/54761
 395         * configure.ac (EXTRA_FLAGS): New.
 396         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
 397         * configure, Makefile.in: Regenerate.
 398
 399 2012-09-29  Ian Lance Taylor  <iant@google.com>
 400
 401         PR other/54749
 402         * fileline.c (fileline_initialize): Pass errnum as -1 when
 403         reporting that we could not read executable information after a
 404         previous failure.
 405
 406 2012-09-27  Ian Lance Taylor  <iant@google.com>
 407
 408         PR bootstrap/54732
 409         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
 410         * Makefile.am: Add dependencies for all objects.
 411         * configure, aclocal.m4, Makefile.in: Rebuild.
 412
 413 2012-09-27  Ian Lance Taylor  <iant@google.com>
 414
 415         PR other/54726
 416         * elf.c (backtrace_initialize): Set *fileln_fn, not
 417         state->fileln_fn.
 418
 419 2012-09-19  Ian Lance Taylor  <iant@google.com>
 420
 421         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
 422         as a target library.
 423         * configure: Rebuild.
 424
 425 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 426             Ian Lance Taylor  <iant@google.com>
 427
 428         * configure.ac (GCC_HEADER_STDINT): Invoke.
 429         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
 430         * btest.c: Don't include <stdint.h>.
 431         * dwarf.c: Likewise.
 432         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
 433
 434 2012-09-18  Ian Lance Taylor  <iant@google.com>
 435
 436         PR bootstrap/54623
 437         * Makefile.am (AM_CPPFLAGS): Define.
 438         (AM_CFLAGS): Remove -I options.
 439         * Makefile.in: Rebuild.
 440
 441 2012-09-18  Ian Lance Taylor  <iant@google.com>
 442
 443         * posix.c (O_BINARY): Define if not defined.
 444         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
 445         HAVE_FCNTL is defined.
 446         * configure.ac: Test for the fcntl function.
 447         * configure, config.h.in: Rebuild.
 448
 449 2012-09-18  Ian Lance Taylor  <iant@google.com>
 450
 451         * btest.c (test1, test2, test3, test4): Add the unused attribute.
 452
 453 2012-09-18  Ian Lance Taylor  <iant@google.com>
 454
 455         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
 456
 457 2012-09-18  Ian Lance Taylor  <iant@google.com>
 458
 459         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
 460         * mmapio.c: Don't define _GNU_SOURCE.
 461         * configure, config.h.in: Rebuild.
 462
 463 2012-09-18  Ian Lance Taylor  <iant@google.com>
 464
 465         * configure.ac: Check whether strnlen is declared.
 466         * dwarf.c: Declare strnlen if not declared.
 467         * configure, config.h.in: Rebuild.
 468
 469 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 470
 471         * fileline.c: Include <stdlib.h>.
 472         * mmap.c: Likewise.
 473
 474 2012-09-17  Ian Lance Taylor  <iant@google.com>
 475
 476         PR bootstrap/54611
 477         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
 478         parameter.
 479
 480 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
 481
 482         PR bootstrap/54611
 483         * nounwind.c (backtrace_simple): Add state parameter.
 484
 485 2012-09-17  Ian Lance Taylor  <iant@google.com>
 486
 487         PR bootstrap/54609
 488         * unknown.c (unknown_fileline): Add state parameter, remove
 489         fileline_data parameter, name error_callback parameter.
 490         (backtrace_initialize): Add state parameter.
 491
 492 2012-09-17  Ian Lance Taylor  <iant@google.com>
 493
 494         * Initial implementation.