libbacktrace/ChangeLog

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