1 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
3 * mmap.c (MAP_FAILED): Define if not defined.
5 2016-01-04 Jakub Jelinek <jakub@redhat.com>
7 Update copyright years.
9 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
11 * configure.ac: Specify that DJGPP do not have mmap even when sys/mman.h exists
12 * configure: Regenerate
14 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
17 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
18 * configure: Regenerate.
19 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
22 2015-09-17 Ian Lance Taylor <iant@google.com>
24 * posix.c (backtrace_open): Cast second argument of open() to int.
26 2015-09-11 Ian Lance Taylor <iant@google.com>
28 * Makefile.am (backtrace.lo): Depend on internal.h.
29 (sort.lo, stest.lo): Add explicit dependencies.
30 * Makefile.in: Rebuild.
32 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
34 * backtrace.c: #include <sys/types.h>.
36 2015-09-08 Ian Lance Taylor <iant@google.com>
39 * backtrace.c: #include "internal.h".
40 (struct backtrace_data): Add can_alloc field.
41 (unwind): If can_alloc is false, don't try to get file/line
43 (backtrace_full): Set can_alloc field in bdata.
44 * alloc.c (backtrace_alloc): Don't call error_callback if it is
46 * mmap.c (backtrace_alloc): Likewise.
47 * internal.h: Update comments for backtrace_alloc and
50 2015-09-08 Ian Lance Taylor <iant@google.com>
53 * mmap.c (backtrace_alloc): Correct test for mmap failure.
55 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
57 * configure.ac: For spu-*-* targets, set have_fcntl to no.
58 * configure: Regenerate.
60 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
62 * configure.ac: Remove [disable-shared] argument to LT_INIT.
63 Remove setting PIC_FLAG when building as target library.
64 * configure: Regenerate.
66 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
68 * configure.ac: Only compile with -fPIC if the target
70 * configure: Regenerate.
72 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
74 * configure.ac: Set have_mmap to no on spu-*-* targets.
75 * configure: Regenerate.
77 2015-08-13 Ian Lance Taylor <iant@google.com>
79 * dwarf.c (read_function_entry): Add vec_inlined parameter.
82 2015-06-11 Martin Sebor <msebor@redhat.com>
85 * dwarf.c (struct line): Add new field idx.
86 (line_compare): Use it.
88 (read_line_info): Reset it.
90 2015-05-29 Tristan Gingold <gingold@adacore.com>
93 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
94 * Makefile.in: Regenerate.
95 * filetype.awk: Detect pecoff.
96 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
98 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
100 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
101 * configure: Regenerate.
102 * pecoff.c: New file.
104 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
106 * Makefile.in: Regenerated with automake-1.11.6.
107 * aclocal.m4: Likewise.
108 * configure: Likewise.
110 2015-01-24 Matthias Klose <doko@ubuntu.com>
112 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
113 * configure: Regenerate.
115 2015-01-05 Jakub Jelinek <jakub@redhat.com>
117 Update copyright years.
119 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
122 * configure: Regenerated.
124 2014-11-11 David Malcolm <dmalcolm@redhat.com>
126 * ChangeLog.jit: New.
128 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
131 * configure: Regenerate.
133 2014-10-23 Ian Lance Taylor <iant@google.com>
135 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
136 Fix to return void *.
138 2014-05-08 Ian Lance Taylor <iant@google.com>
140 * mmap.c (backtrace_free): If freeing a large aligned block of
141 memory, call munmap rather than holding onto it.
142 (backtrace_vector_grow): When growing a vector, double the number
143 of pages requested. When releasing the old version of a grown
144 vector, pass the correct size to backtrace_free.
146 2014-03-07 Ian Lance Taylor <iant@google.com>
148 * sort.c (backtrace_qsort): Use middle element as pivot.
150 2014-03-06 Ian Lance Taylor <iant@google.com>
154 * internal.h (backtrace_qsort): Declare.
155 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
156 (read_line_info, read_function_entry): Likewise.
157 (read_function_info, build_dwarf_data): Likewise.
158 * elf.c (elf_initialize_syminfo): Likewise.
159 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
160 (stest_SOURCES, stest_LDADD): Define.
161 (check_PROGRAMS): Add stest.
163 2014-02-07 Misty De Meo <misty@brew.sh>
166 * configure.ac: Use AC_LINK_IFELSE in check for
168 * configure: Regenerate.
170 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
172 Update copyright years
174 2013-12-06 Jakub Jelinek <jakub@redhat.com>
176 * elf.c (ET_DYN): Undefine and define again.
177 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
178 return early -1 without closing the descriptor.
179 (struct phdr_data): Add exe_descriptor.
180 (phdr_callback): If pd->exe_descriptor is not -1, for very first
181 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
182 otherwise backtrace_close the exe_descriptor if not -1. Adjust
184 (backtrace_initialize): Adjust call to elf_add. If it returns
185 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
187 2013-12-05 Ian Lance Taylor <iant@google.com>
189 * alloc.c (backtrace_vector_finish): Add error_callback and data
190 parameters. Call backtrace_vector_release. Return address base.
191 * mmap.c (backtrace_vector_finish): Add error_callback and data
192 parameters. Return address base.
193 * dwarf.c (read_function_info): Get new address base from
194 backtrace_vector_finish.
195 * internal.h (backtrace_vector_finish): Update declaration.
197 2013-11-27 Ian Lance Taylor <iant@google.com>
199 * dwarf.c (find_address_ranges): New static function, broken out
200 of build_address_map.
201 (build_address_map): Call it.
202 * btest.c (check): Check for missing filename or function, rather
204 (f3): Check that enough frames were returned.
206 2013-11-19 Jakub Jelinek <jakub@redhat.com>
208 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
209 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
211 * btest.c (struct symdata): Add size field.
212 (callback_three): Add symsize argument. Copy it to the data->size
214 (f23): Set symdata.size to 0.
215 (test5): Likewise. If sizeof (int) > 1, lookup address of
216 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
219 * atomic.c: Include sys/types.h.
221 2013-11-18 Ian Lance Taylor <iant@google.com>
223 * configure.ac: Check for support of __atomic extensions.
224 * internal.h: Declare or #define atomic functions for use in
226 * atomic.c: New file.
227 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
228 (dwarf_fileline, backtrace_dwarf_add): Likewise.
229 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
230 (backtrace_initialize): Likewise.
231 * fileline.c (fileline_initialize): Likewise.
232 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
233 * configure, config.h.in, Makefile.in: Rebuild.
235 2013-11-18 Jakub Jelinek <jakub@redhat.com>
237 * elf.c (SHN_UNDEF): Define.
238 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
239 with st_shndx == SHN_UNDEF. Add base_address to address fields.
240 (elf_add): Adjust caller.
242 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
244 2013-11-16 Ian Lance Taylor <iant@google.com>
246 * backtrace.h (backtrace_create_state): Correct comment about
249 2013-11-15 Ian Lance Taylor <iant@google.com>
251 * backtrace.h (backtrace_syminfo): Update comment and parameter
252 name to take any address, not just a PC value.
253 * elf.c (STT_OBJECT): Define.
254 (elf_nosyms): Rename parameter pc to addr.
255 (elf_symbol_search): Rename local variable pc to addr.
256 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
257 (elf_syminfo): Rename parameter pc to addr.
258 * btest.c (global): New global variable.
262 2013-10-17 Ian Lance Taylor <iant@google.com>
264 * elf.c (elf_add): Don't get the wrong offsets if a debug section
267 2013-10-15 David Malcolm <dmalcolm@redhat.com>
269 * configure.ac: Add --enable-host-shared, setting up
270 pre-existing PIC_FLAG variable within Makefile.am et al.
271 * configure: Regenerate.
273 2013-09-20 Alan Modra <amodra@gmail.com>
275 * configure: Regenerate.
277 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
279 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
281 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
283 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
284 dl_iterate_phdr callbacks.
286 2013-03-25 Ian Lance Taylor <iant@google.com>
288 * alloc.c: #include <sys/types.h>.
291 2013-01-31 Ian Lance Taylor <iant@google.com>
293 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
294 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
296 2013-01-25 Jakub Jelinek <jakub@redhat.com>
299 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
300 attribute was not seen.
302 2013-01-16 Ian Lance Taylor <iant@google.com>
304 * dwarf.c (struct unit): Add filename and abs_filename fields.
305 (build_address_map): Set new fields when reading unit.
306 (dwarf_lookup_pc): If we don't find an entry in the line table,
307 just return the main file name.
309 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
311 Update copyright years.
313 2013-01-01 Ian Lance Taylor <iant@google.com>
316 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
317 $(MULTIBUILDTOP)/../../gcc/include.
318 * Makefile.in: Rebuild.
320 2013-01-01 Ian Lance Taylor <iant@google.com>
323 * mmap.c (backtrace_alloc): Don't call sync functions if not
325 (backtrace_free): Likewise.
327 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
329 * mmapio.c: Define MAP_FAILED if not defined.
331 2012-12-11 Jakub Jelinek <jakub@redhat.com>
334 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
335 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
336 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
338 * Makefile.in: Regenerated.
339 * configure: Regenerated.
341 2012-12-07 Jakub Jelinek <jakub@redhat.com>
344 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
345 * Makefile.in: Regenerated.
347 2012-11-20 Ian Lance Taylor <iant@google.com>
349 * dwarf.c (read_attribute): Always clear val.
351 2012-11-13 Ian Lance Taylor <iant@google.com>
354 * configure.ac: Only add -Werror if building a target library.
355 * configure: Rebuild.
357 2012-11-12 Ian Lance Taylor <iant@google.com>
358 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
359 Gerald Pfeifer <gerald@pfeifer.com>
361 * configure.ac: Check for getexecname.
362 * fileline.c: #include <errno.h>. Define getexecname if not
364 (fileline_initialize): Try to find the executable in a few
366 * print.c (error_callback): Only print the filename if it came
367 from the backtrace state.
368 * configure, config.h.in: Rebuild.
370 2012-10-29 Ian Lance Taylor <iant@google.com>
372 * mmap.c (backtrace_vector_release): Correct last patch: add
375 2012-10-29 Ian Lance Taylor <iant@google.com>
377 * mmap.c (backtrace_vector_release): Make sure freed block is
378 aligned on 8-byte boundary.
380 2012-10-26 Ian Lance Taylor <iant@google.com>
383 * posix.c (backtrace_open): Add does_not_exist parameter.
384 * elf.c (phdr_callback): Do not warn if shared library could not
386 * fileline.c (fileline_initialize): Update calls to
388 * internal.h (backtrace_open): Update declaration.
390 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
393 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
394 * configure: Regenerate.
396 2012-10-24 Ian Lance Taylor <iant@google.com>
399 * configure.ac: Check whether -funwind-tables option works.
400 * configure: Rebuild.
402 2012-10-11 Ian Lance Taylor <iant@google.com>
404 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
405 * configure: Rebuild.
407 2012-10-10 Ian Lance Taylor <iant@google.com>
409 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
412 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
414 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
416 2012-10-09 Ian Lance Taylor <iant@google.com>
418 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
419 (backtrace_dwarf_add): Likewise.
421 2012-10-09 Ian Lance Taylor <iant@google.com>
423 Add support for tracing through shared libraries.
424 * configure.ac: Check for link.h and dl_iterate_phdr.
425 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
426 ELF macros before #defining them.
427 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
429 (struct elf_syminfo_data): Add next field.
430 (elf_initialize_syminfo): Initialize next field.
431 (elf_add_syminfo_data): New static function.
432 (elf_add): New static function, broken out of
433 backtrace_initialize. Call backtrace_dwarf_add instead of
434 backtrace_dwarf_initialize.
435 (struct phdr_data): Define.
436 (phdr_callback): New static function.
437 (backtrace_initialize): Call elf_add.
438 * dwarf.c (struct dwarf_data): Add next and base_address fields.
439 (add_unit_addr): Add base_address parameter. Change all callers.
440 (add_unit_ranges, build_address_map): Likewise.
441 (add_line): Add ddata parameter. Change all callers.
442 (read_line_program, add_function_range): Likewise.
443 (dwarf_lookup_pc): New static function, broken out of
445 (dwarf_fileline): Call dwarf_lookup_pc.
446 (build_dwarf_data): New static function.
447 (backtrace_dwarf_add): New function.
448 (backtrace_dwarf_initialize): Remove.
449 * internal.h (backtrace_dwarf_initialize): Don't declare.
450 (backtrace_dwarf_add): Declare.
451 * configure, config.h.in: Rebuild.
453 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
455 * btest.c (f23): Avoid uninitialized variable warning.
457 2012-10-04 Ian Lance Taylor <iant@google.com>
459 * dwarf.c: If the system header files do not declare strnlen,
460 provide our own version.
462 2012-10-03 Ian Lance Taylor <iant@google.com>
464 * dwarf.c (read_uleb128): Fix overflow test.
465 (read_sleb128): Likewise.
466 (build_address_map): Don't change unit_buf.start.
468 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
471 * configure.ac (EXTRA_FLAGS): New.
472 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
473 * configure, Makefile.in: Regenerate.
475 2012-09-29 Ian Lance Taylor <iant@google.com>
478 * fileline.c (fileline_initialize): Pass errnum as -1 when
479 reporting that we could not read executable information after a
482 2012-09-27 Ian Lance Taylor <iant@google.com>
485 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
486 * Makefile.am: Add dependencies for all objects.
487 * configure, aclocal.m4, Makefile.in: Rebuild.
489 2012-09-27 Ian Lance Taylor <iant@google.com>
492 * elf.c (backtrace_initialize): Set *fileln_fn, not
495 2012-09-19 Ian Lance Taylor <iant@google.com>
497 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
499 * configure: Rebuild.
501 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
502 Ian Lance Taylor <iant@google.com>
504 * configure.ac (GCC_HEADER_STDINT): Invoke.
505 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
506 * btest.c: Don't include <stdint.h>.
508 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
510 2012-09-18 Ian Lance Taylor <iant@google.com>
513 * Makefile.am (AM_CPPFLAGS): Define.
514 (AM_CFLAGS): Remove -I options.
515 * Makefile.in: Rebuild.
517 2012-09-18 Ian Lance Taylor <iant@google.com>
519 * posix.c (O_BINARY): Define if not defined.
520 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
521 HAVE_FCNTL is defined.
522 * configure.ac: Test for the fcntl function.
523 * configure, config.h.in: Rebuild.
525 2012-09-18 Ian Lance Taylor <iant@google.com>
527 * btest.c (test1, test2, test3, test4): Add the unused attribute.
529 2012-09-18 Ian Lance Taylor <iant@google.com>
531 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
533 2012-09-18 Ian Lance Taylor <iant@google.com>
535 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
536 * mmapio.c: Don't define _GNU_SOURCE.
537 * configure, config.h.in: Rebuild.
539 2012-09-18 Ian Lance Taylor <iant@google.com>
541 * configure.ac: Check whether strnlen is declared.
542 * dwarf.c: Declare strnlen if not declared.
543 * configure, config.h.in: Rebuild.
545 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
547 * fileline.c: Include <stdlib.h>.
550 2012-09-17 Ian Lance Taylor <iant@google.com>
553 * nounwind.c (backtrace_full): Rename from backtrace. Add state
556 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
559 * nounwind.c (backtrace_simple): Add state parameter.
561 2012-09-17 Ian Lance Taylor <iant@google.com>
564 * unknown.c (unknown_fileline): Add state parameter, remove
565 fileline_data parameter, name error_callback parameter.
566 (backtrace_initialize): Add state parameter.
568 2012-09-17 Ian Lance Taylor <iant@google.com>
570 * Initial implementation.
572 Copyright (C) 2012-2016 Free Software Foundation, Inc.
574 Copying and distribution of this file, with or without modification,
575 are permitted in any medium without royalty provided the copyright
576 notice and this notice are preserved.