libbacktrace/ChangeLog

   1 2017-09-21  Ian Lance Taylor  <iant@google.com>
   2
   3         PR go/82284
   4         * elf.c (backtrace_initialize): Set pd.exe_filename.
   5
   6 2017-09-20  Ian Lance Taylor  <iant@golang.org>
   7             Denis Khalikov  <d.khalikov@partner.samsung.com>
   8
   9         PR sanitizer/77631
  10         Support for external debug info.
  11         * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
  12         (S_ISLNK): Define if not defined.
  13         (xstrnlen): Define if strnlen is not available.
  14         (b_elf_note): Define type.
  15         (NT_GNU_BUILD_ID): Define macro.
  16         (elf_crc32, elf_crc32_file): New static functions.
  17         (elf_is_symlink, elf_readlink): New static functions.
  18         (elf_open_debugfile_by_buildid): New static function.
  19         (elf_try_debugfile): New static function.
  20         (elf_find_debugfile_by_debuglink): New static function.
  21         (elf_open_debugfile_by_debuglink): New static function.
  22         (elf_add): Add filename and debuginfo parameters.  Adjust all
  23         callers.  Look for external debug info notes, and try to fetch
  24         debug info from external file.
  25         (struct phdr_data): Add exe_filename field.
  26         (phdr_callback): Pass filename to elf_add.
  27         (backtrace_initialize): Add filename parameter.
  28         * internal.h (backtrace_initialize): Add filename parameter.
  29         * fileline.c (fileline_initialize): Pass filename to
  30         backtrace_initialize.
  31         * pecoff.c (fileline_initialize): Add unused filename parameter.
  32         * unknown.c (fileline_initialize): Likewise.
  33         * xcoff.c (fileline_initialize): Likewise.
  34         * configure.ac: Check for objcopy --add-gnu-debuglink.
  35         * Makefile.am (dtest): New test target.
  36         * configure, Makefile.in: Rebuild.
  37
  38 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
  39
  40         PR other/81096
  41         * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
  42         * Makefile.in: Regenerate.
  43
  44 2017-09-12  Steve Ellcey  <sellcey@cavium.com>
  45
  46         PR other/81096
  47         * libbacktrace/Makefile.in
  48         (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
  49
  50 2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
  51
  52         PR bootstrap/81638
  53         * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
  54
  55 2017-07-28  Tony Reix  <tony.reix@atos.net>
  56
  57         * xcoff.c: Don't leak a file descriptor if an archive is malformed.
  58
  59 2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  60
  61         * fileline.c (fileline_initialize): Print pid_t as long.
  62
  63 2017-07-26  Tony Reix  <tony.reix@atos.net>
  64
  65         * configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
  66         * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
  67         * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
  68         * configure, config.h.in: Regenerate.
  69
  70 2017-07-21  Tony Reix  <tony.reix@atos.net>
  71
  72         * filetype.awk: Add AIX XCOFF type detection.
  73         * configure.ac: Recognize xcoff format.
  74         * Makefile.am (FORMAT_FILES): Add xcoff.c.
  75         * fileline.c: Include <unistd.h>.
  76         (fileline_initialize): Add case for AIX procfs.
  77         * xcoff.c: New file.
  78         * configure, Makefile.in: Rebuild.
  79
  80 2017-06-21  Richard Biener  <rguenther@suse.de>
  81
  82         * configure.ac: Add AC_SYS_LARGEFILE.
  83         * config.h.in: Regenerate.
  84         * configure: Likewise.
  85
  86 2017-06-11  Ian Lance Taylor  <iant@golang.org>
  87
  88         * elf.c (backtrace_initialize): Always set *fileline_fn.
  89         * ttest.c: New file.
  90         * btest.c: Move support functions into testlib.c.  Change calls to
  91         check to pass file name.
  92         * testlib.c: New file, copied from (part of) btest.c.
  93         * testlib.h: New file, declarations for testlib.c.
  94         * edtest.c: Use testlib.h and testlib.c.
  95         * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
  96         * Makefile.am (btest_SOURCES): Add testlib.c.
  97         (edtest_SOURCES): Likewise.
  98         (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
  99         (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
 100         * configure, Makefile.in: Rebuild.
 101
 102 2017-05-19  Than McIntosh  <thanm@google.com>
 103
 104         * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
 105         (read_line_header): Don't allocate dirs if dirs_count == 0.
 106         * edtest.c: New file.
 107         * edtest2.c: New file.
 108         * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
 109         (check_PROGRAMS): Add edtest.
 110         (edtest2_build.c, gen_edtest2_build): New targets.
 111         * Makefile.in: Rebuild.
 112
 113 2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
 114
 115         * btest.c (test5): Replace #ifdef guard with 'unused' attribute
 116         to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
 117
 118 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 119
 120         Update copyright years.
 121
 122 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 123
 124         * configure: Regenerate.
 125
 126 2016-09-11  Carlos Liam  <carlos@aarzee.me>
 127
 128         * all: Remove meaningless trailing whitespace.
 129
 130 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
 131
 132         PR target/71161
 133         * elf.c (phdr_callback) [__i386__]: Add
 134         __attribute__((__force_align_arg_pointer__)).
 135
 136 2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 137
 138         * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
 139         avoid possible crash.
 140         (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
 141         missing debug info anymore.
 142
 143 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 144
 145         * mmap.c (MAP_FAILED): Define if not defined.
 146
 147 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 148
 149         Update copyright years.
 150
 151 2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
 152
 153         * configure.ac: Specify that DJGPP do not have mmap
 154         even when sys/mman.h exists.
 155         * configure: Regenerate
 156
 157 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 158
 159         PR libgfortran/68115
 160         * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
 161         * configure: Regenerate.
 162         * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
 163         to void.
 164
 165 2015-09-17  Ian Lance Taylor  <iant@google.com>
 166
 167         * posix.c (backtrace_open): Cast second argument of open() to int.
 168
 169 2015-09-11  Ian Lance Taylor  <iant@google.com>
 170
 171         * Makefile.am (backtrace.lo): Depend on internal.h.
 172         (sort.lo, stest.lo): Add explicit dependencies.
 173         * Makefile.in: Rebuild.
 174
 175 2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
 176
 177         * backtrace.c: #include <sys/types.h>.
 178
 179 2015-09-08  Ian Lance Taylor  <iant@google.com>
 180
 181         PR other/67457
 182         * backtrace.c: #include "internal.h".
 183         (struct backtrace_data): Add can_alloc field.
 184         (unwind): If can_alloc is false, don't try to get file/line
 185         information.
 186         (backtrace_full): Set can_alloc field in bdata.
 187         * alloc.c (backtrace_alloc): Don't call error_callback if it is
 188         NULL.
 189         * mmap.c (backtrace_alloc): Likewise.
 190         * internal.h: Update comments for backtrace_alloc and
 191         backtrace_free.
 192
 193 2015-09-08  Ian Lance Taylor  <iant@google.com>
 194
 195         PR other/67457
 196         * mmap.c (backtrace_alloc): Correct test for mmap failure.
 197
 198 2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 199
 200         * configure.ac: For spu-*-* targets, set have_fcntl to no.
 201         * configure: Regenerate.
 202
 203 2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 204
 205         * configure.ac: Remove [disable-shared] argument to LT_INIT.
 206         Remove setting PIC_FLAG when building as target library.
 207         * configure: Regenerate.
 208
 209 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 210
 211         * configure.ac: Only compile with -fPIC if the target
 212         supports it.
 213         * configure: Regenerate.
 214
 215 2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 216
 217         * configure.ac: Set have_mmap to no on spu-*-* targets.
 218         * configure: Regenerate.
 219
 220 2015-08-13  Ian Lance Taylor  <iant@google.com>
 221
 222         * dwarf.c (read_function_entry): Add vec_inlined parameter.
 223         Change all callers.
 224
 225 2015-06-11  Martin Sebor  <msebor@redhat.com>
 226
 227         PR sanitizer/65479
 228         * dwarf.c (struct line): Add new field idx.
 229         (line_compare): Use it.
 230         (add_line): Set it.
 231         (read_line_info): Reset it.
 232
 233 2015-05-29  Tristan Gingold  <gingold@adacore.com>
 234
 235         * pecoff.c: New file.
 236         * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
 237         * Makefile.in: Regenerate.
 238         * filetype.awk: Detect pecoff.
 239         * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
 240         Add pecoff.
 241         * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
 242         true.
 243         * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
 244         * configure: Regenerate.
 245         * pecoff.c: New file.
 246
 247 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 248
 249         * Makefile.in: Regenerated with automake-1.11.6.
 250         * aclocal.m4: Likewise.
 251         * configure: Likewise.
 252
 253 2015-01-24  Matthias Klose  <doko@ubuntu.com>
 254
 255         * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
 256         * configure: Regenerate.
 257
 258 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 259
 260         Update copyright years.
 261
 262 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 263
 264         PR bootstrap/63784
 265         * configure: Regenerated.
 266
 267 2014-11-11  David Malcolm  <dmalcolm@redhat.com>
 268
 269         * ChangeLog.jit: New.
 270
 271 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 272
 273         PR target/63610
 274         * configure: Regenerate.
 275
 276 2014-10-23  Ian Lance Taylor  <iant@google.com>
 277
 278         * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
 279         Fix to return void *.
 280
 281 2014-05-08  Ian Lance Taylor  <iant@google.com>
 282
 283         * mmap.c (backtrace_free): If freeing a large aligned block of
 284         memory, call munmap rather than holding onto it.
 285         (backtrace_vector_grow): When growing a vector, double the number
 286         of pages requested.  When releasing the old version of a grown
 287         vector, pass the correct size to backtrace_free.
 288
 289 2014-03-07  Ian Lance Taylor  <iant@google.com>
 290
 291         * sort.c (backtrace_qsort): Use middle element as pivot.
 292
 293 2014-03-06  Ian Lance Taylor  <iant@google.com>
 294
 295         * sort.c: New file.
 296         * stest.c: New file.
 297         * internal.h (backtrace_qsort): Declare.
 298         * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
 299         (read_line_info, read_function_entry): Likewise.
 300         (read_function_info, build_dwarf_data): Likewise.
 301         * elf.c (elf_initialize_syminfo): Likewise.
 302         * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
 303         (stest_SOURCES, stest_LDADD): Define.
 304         (check_PROGRAMS): Add stest.
 305
 306 2014-02-07  Misty De Meo  <misty@brew.sh>
 307
 308         PR target/58710
 309         * configure.ac: Use AC_LINK_IFELSE in check for
 310         _Unwind_GetIPInfo.
 311         * configure: Regenerate.
 312
 313 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 314
 315         Update copyright years
 316
 317 2013-12-06  Jakub Jelinek  <jakub@redhat.com>
 318
 319         * elf.c (ET_DYN): Undefine and define again.
 320         (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
 321         return early -1 without closing the descriptor.
 322         (struct phdr_data): Add exe_descriptor.
 323         (phdr_callback): If pd->exe_descriptor is not -1, for very first
 324         call if dlpi_name is NULL just call elf_add with the exe_descriptor,
 325         otherwise backtrace_close the exe_descriptor if not -1.  Adjust
 326         call to elf_add.
 327         (backtrace_initialize): Adjust call to elf_add.  If it returns
 328         -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
 329
 330 2013-12-05  Ian Lance Taylor  <iant@google.com>
 331
 332         * alloc.c (backtrace_vector_finish): Add error_callback and data
 333         parameters.  Call backtrace_vector_release.  Return address base.
 334         * mmap.c (backtrace_vector_finish): Add error_callback and data
 335         parameters.  Return address base.
 336         * dwarf.c (read_function_info): Get new address base from
 337         backtrace_vector_finish.
 338         * internal.h (backtrace_vector_finish): Update declaration.
 339
 340 2013-11-27  Ian Lance Taylor  <iant@google.com>
 341
 342         * dwarf.c (find_address_ranges): New static function, broken out
 343         of build_address_map.
 344         (build_address_map): Call it.
 345         * btest.c (check): Check for missing filename or function, rather
 346         than crashing.
 347         (f3): Check that enough frames were returned.
 348
 349 2013-11-19  Jakub Jelinek  <jakub@redhat.com>
 350
 351         * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
 352         * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
 353         last argument.
 354         * btest.c (struct symdata): Add size field.
 355         (callback_three): Add symsize argument.  Copy it to the data->size
 356         field.
 357         (f23): Set symdata.size to 0.
 358         (test5): Likewise.  If sizeof (int) > 1, lookup address of
 359         ((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
 360         values.
 361
 362         * atomic.c: Include sys/types.h.
 363
 364 2013-11-18  Ian Lance Taylor  <iant@google.com>
 365
 366         * configure.ac: Check for support of __atomic extensions.
 367         * internal.h: Declare or #define atomic functions for use in
 368         backtrace code.
 369         * atomic.c: New file.
 370         * dwarf.c (dwarf_lookup_pc): Use atomic functions.
 371         (dwarf_fileline, backtrace_dwarf_add): Likewise.
 372         * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
 373         (backtrace_initialize): Likewise.
 374         * fileline.c (fileline_initialize): Likewise.
 375         * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
 376         * configure, config.h.in, Makefile.in: Rebuild.
 377
 378 2013-11-18  Jakub Jelinek  <jakub@redhat.com>
 379
 380         * elf.c (SHN_UNDEF): Define.
 381         (elf_initialize_syminfo): Add base_address argument.  Ignore symbols
 382         with st_shndx == SHN_UNDEF.  Add base_address to address fields.
 383         (elf_add): Adjust caller.
 384
 385         * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
 386
 387 2013-11-16  Ian Lance Taylor  <iant@google.com>
 388
 389         * backtrace.h (backtrace_create_state): Correct comment about
 390         threading.
 391
 392 2013-11-15  Ian Lance Taylor  <iant@google.com>
 393
 394         * backtrace.h (backtrace_syminfo): Update comment and parameter
 395         name to take any address, not just a PC value.
 396         * elf.c (STT_OBJECT): Define.
 397         (elf_nosyms): Rename parameter pc to addr.
 398         (elf_symbol_search): Rename local variable pc to addr.
 399         (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
 400         (elf_syminfo): Rename parameter pc to addr.
 401         * btest.c (global): New global variable.
 402         (test5): New test.
 403         (main): Call test5.
 404
 405 2013-10-17  Ian Lance Taylor  <iant@google.com>
 406
 407         * elf.c (elf_add): Don't get the wrong offsets if a debug section
 408         is missing.
 409
 410 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 411
 412         * configure.ac: Add --enable-host-shared, setting up
 413         pre-existing PIC_FLAG variable within Makefile.am et al.
 414         * configure: Regenerate.
 415
 416 2013-09-20  Alan Modra  <amodra@gmail.com>
 417
 418         * configure: Regenerate.
 419
 420 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 421
 422         * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
 423
 424 2013-07-23  Alexander Monakov  <amonakov@ispras.ru>
 425
 426         * elf.c (backtrace_initialize): Pass elf_fileline_fn to
 427         dl_iterate_phdr callbacks.
 428
 429 2013-03-25  Ian Lance Taylor  <iant@google.com>
 430
 431         * alloc.c: #include <sys/types.h>.
 432         * mmap.c: Likewise.
 433
 434 2013-01-31  Ian Lance Taylor  <iant@google.com>
 435
 436         * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
 437         (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
 438
 439 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
 440
 441         PR other/56076
 442         * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
 443         attribute was not seen.
 444
 445 2013-01-16  Ian Lance Taylor  <iant@google.com>
 446
 447         * dwarf.c (struct unit): Add filename and abs_filename fields.
 448         (build_address_map): Set new fields when reading unit.
 449         (dwarf_lookup_pc): If we don't find an entry in the line table,
 450         just return the main file name.
 451
 452 2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
 453
 454         Update copyright years.
 455
 456 2013-01-01  Ian Lance Taylor  <iant@google.com>
 457
 458         PR bootstrap/54834
 459         * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
 460         $(MULTIBUILDTOP)/../../gcc/include.
 461         * Makefile.in: Rebuild.
 462
 463 2013-01-01  Ian Lance Taylor  <iant@google.com>
 464
 465         PR other/55536
 466         * mmap.c (backtrace_alloc): Don't call sync functions if not
 467         threaded.
 468         (backtrace_free): Likewise.
 469
 470 2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 471
 472         * mmapio.c: Define MAP_FAILED if not defined.
 473
 474 2012-12-11  Jakub Jelinek  <jakub@redhat.com>
 475
 476         PR bootstrap/54926
 477         * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
 478         * configure.ac: If --with-target-subdir, add -frandom-seed=$@
 479         to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
 480         accepts it.
 481         * Makefile.in: Regenerated.
 482         * configure: Regenerated.
 483
 484 2012-12-07  Jakub Jelinek  <jakub@redhat.com>
 485
 486         PR bootstrap/54926
 487         * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
 488         * Makefile.in: Regenerated.
 489
 490 2012-11-20  Ian Lance Taylor  <iant@google.com>
 491
 492         * dwarf.c (read_attribute): Always clear val.
 493
 494 2012-11-13  Ian Lance Taylor  <iant@google.com>
 495
 496         PR other/55312
 497         * configure.ac: Only add -Werror if building a target library.
 498         * configure: Rebuild.
 499
 500 2012-11-12  Ian Lance Taylor  <iant@google.com>
 501             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 502             Gerald Pfeifer  <gerald@pfeifer.com>
 503
 504         * configure.ac: Check for getexecname.
 505         * fileline.c: #include <errno.h>.  Define getexecname if not
 506         available.
 507         (fileline_initialize): Try to find the executable in a few
 508         different ways.
 509         * print.c (error_callback): Only print the filename if it came
 510         from the backtrace state.
 511         * configure, config.h.in: Rebuild.
 512
 513 2012-10-29  Ian Lance Taylor  <iant@google.com>
 514
 515         * mmap.c (backtrace_vector_release): Correct last patch: add
 516         aligned, not size.
 517
 518 2012-10-29  Ian Lance Taylor  <iant@google.com>
 519
 520         * mmap.c (backtrace_vector_release): Make sure freed block is
 521         aligned on 8-byte boundary.
 522
 523 2012-10-26  Ian Lance Taylor  <iant@google.com>
 524
 525         PR other/55087
 526         * posix.c (backtrace_open): Add does_not_exist parameter.
 527         * elf.c (phdr_callback): Do not warn if shared library could not
 528         be opened.
 529         * fileline.c (fileline_initialize): Update calls to
 530         backtrace_open.
 531         * internal.h (backtrace_open): Update declaration.
 532
 533 2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>
 534
 535         PR target/55061
 536         * configure.ac: Check for _Unwind_GetIPInfo function declaration.
 537         * configure: Regenerate.
 538
 539 2012-10-24  Ian Lance Taylor  <iant@google.com>
 540
 541         PR target/55061
 542         * configure.ac: Check whether -funwind-tables option works.
 543         * configure: Rebuild.
 544
 545 2012-10-11  Ian Lance Taylor  <iant@google.com>
 546
 547         * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
 548         * configure: Rebuild.
 549
 550 2012-10-10  Ian Lance Taylor  <iant@google.com>
 551
 552         * elf.c: Rename all Elf typedefs to start with b_elf, and be all
 553         lower case.
 554
 555 2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>
 556
 557         * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
 558
 559 2012-10-09  Ian Lance Taylor  <iant@google.com>
 560
 561         * dwarf.c (dwarf_fileline): Add cast to avoid warning.
 562         (backtrace_dwarf_add): Likewise.
 563
 564 2012-10-09  Ian Lance Taylor  <iant@google.com>
 565
 566         Add support for tracing through shared libraries.
 567         * configure.ac: Check for link.h and dl_iterate_phdr.
 568         * elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
 569         ELF macros before #defining them.
 570         (dl_phdr_info, dl_iterate_phdr): Define if system does not have
 571         dl_iterate_phdr.
 572         (struct elf_syminfo_data): Add next field.
 573         (elf_initialize_syminfo): Initialize next field.
 574         (elf_add_syminfo_data): New static function.
 575         (elf_add): New static function, broken out of
 576         backtrace_initialize.  Call backtrace_dwarf_add instead of
 577         backtrace_dwarf_initialize.
 578         (struct phdr_data): Define.
 579         (phdr_callback): New static function.
 580         (backtrace_initialize): Call elf_add.
 581         * dwarf.c (struct dwarf_data): Add next and base_address fields.
 582         (add_unit_addr): Add base_address parameter.  Change all callers.
 583         (add_unit_ranges, build_address_map): Likewise.
 584         (add_line): Add ddata parameter.  Change all callers.
 585         (read_line_program, add_function_range): Likewise.
 586         (dwarf_lookup_pc): New static function, broken out of
 587         dwarf_fileline.
 588         (dwarf_fileline): Call dwarf_lookup_pc.
 589         (build_dwarf_data): New static function.
 590         (backtrace_dwarf_add): New function.
 591         (backtrace_dwarf_initialize): Remove.
 592         * internal.h (backtrace_dwarf_initialize): Don't declare.
 593         (backtrace_dwarf_add): Declare.
 594         * configure, config.h.in: Rebuild.
 595
 596 2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
 597
 598         * btest.c (f23): Avoid uninitialized variable warning.
 599
 600 2012-10-04  Ian Lance Taylor  <iant@google.com>
 601
 602         * dwarf.c: If the system header files do not declare strnlen,
 603         provide our own version.
 604
 605 2012-10-03  Ian Lance Taylor  <iant@google.com>
 606
 607         * dwarf.c (read_uleb128): Fix overflow test.
 608         (read_sleb128): Likewise.
 609         (build_address_map): Don't change unit_buf.start.
 610
 611 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 612
 613         PR other/54761
 614         * configure.ac (EXTRA_FLAGS): New.
 615         * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
 616         * configure, Makefile.in: Regenerate.
 617
 618 2012-09-29  Ian Lance Taylor  <iant@google.com>
 619
 620         PR other/54749
 621         * fileline.c (fileline_initialize): Pass errnum as -1 when
 622         reporting that we could not read executable information after a
 623         previous failure.
 624
 625 2012-09-27  Ian Lance Taylor  <iant@google.com>
 626
 627         PR bootstrap/54732
 628         * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
 629         * Makefile.am: Add dependencies for all objects.
 630         * configure, aclocal.m4, Makefile.in: Rebuild.
 631
 632 2012-09-27  Ian Lance Taylor  <iant@google.com>
 633
 634         PR other/54726
 635         * elf.c (backtrace_initialize): Set *fileln_fn, not
 636         state->fileln_fn.
 637
 638 2012-09-19  Ian Lance Taylor  <iant@google.com>
 639
 640         * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
 641         as a target library.
 642         * configure: Rebuild.
 643
 644 2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 645             Ian Lance Taylor  <iant@google.com>
 646
 647         * configure.ac (GCC_HEADER_STDINT): Invoke.
 648         * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
 649         * btest.c: Don't include <stdint.h>.
 650         * dwarf.c: Likewise.
 651         * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
 652
 653 2012-09-18  Ian Lance Taylor  <iant@google.com>
 654
 655         PR bootstrap/54623
 656         * Makefile.am (AM_CPPFLAGS): Define.
 657         (AM_CFLAGS): Remove -I options.
 658         * Makefile.in: Rebuild.
 659
 660 2012-09-18  Ian Lance Taylor  <iant@google.com>
 661
 662         * posix.c (O_BINARY): Define if not defined.
 663         (backtrace_open): Pass O_BINARY to open.  Only call fcntl if
 664         HAVE_FCNTL is defined.
 665         * configure.ac: Test for the fcntl function.
 666         * configure, config.h.in: Rebuild.
 667
 668 2012-09-18  Ian Lance Taylor  <iant@google.com>
 669
 670         * btest.c (test1, test2, test3, test4): Add the unused attribute.
 671
 672 2012-09-18  Ian Lance Taylor  <iant@google.com>
 673
 674         * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
 675
 676 2012-09-18  Ian Lance Taylor  <iant@google.com>
 677
 678         * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
 679         * mmapio.c: Don't define _GNU_SOURCE.
 680         * configure, config.h.in: Rebuild.
 681
 682 2012-09-18  Ian Lance Taylor  <iant@google.com>
 683
 684         * configure.ac: Check whether strnlen is declared.
 685         * dwarf.c: Declare strnlen if not declared.
 686         * configure, config.h.in: Rebuild.
 687
 688 2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 689
 690         * fileline.c: Include <stdlib.h>.
 691         * mmap.c: Likewise.
 692
 693 2012-09-17  Ian Lance Taylor  <iant@google.com>
 694
 695         PR bootstrap/54611
 696         * nounwind.c (backtrace_full): Rename from backtrace.  Add state
 697         parameter.
 698
 699 2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
 700
 701         PR bootstrap/54611
 702         * nounwind.c (backtrace_simple): Add state parameter.
 703
 704 2012-09-17  Ian Lance Taylor  <iant@google.com>
 705
 706         PR bootstrap/54609
 707         * unknown.c (unknown_fileline): Add state parameter, remove
 708         fileline_data parameter, name error_callback parameter.
 709         (backtrace_initialize): Add state parameter.
 710
 711 2012-09-17  Ian Lance Taylor  <iant@google.com>
 712
 713         * Initial implementation.
 714 \f
 715 Copyright (C) 2012-2017 Free Software Foundation, Inc.
 716
 717 Copying and distribution of this file, with or without modification,
 718 are permitted in any medium without royalty provided the copyright
 719 notice and this notice are preserved.