libbacktrace/ChangeLog

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