libbacktrace/ChangeLog

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