libbacktrace/ChangeLog

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