1 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3 * configure.ac: Set have_mmap to no on spu-*-* targets.
4 * configure: Regenerate.
6 2015-08-13 Ian Lance Taylor <iant@google.com>
8 * dwarf.c (read_function_entry): Add vec_inlined parameter.
11 2015-06-11 Martin Sebor <msebor@redhat.com>
14 * dwarf.c (struct line): Add new field idx.
15 (line_compare): Use it.
17 (read_line_info): Reset it.
19 2015-05-29 Tristan Gingold <gingold@adacore.com>
22 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
23 * Makefile.in: Regenerate.
24 * filetype.awk: Detect pecoff.
25 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
27 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
29 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
30 * configure: Regenerate.
33 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
35 * Makefile.in: Regenerated with automake-1.11.6.
36 * aclocal.m4: Likewise.
37 * configure: Likewise.
39 2015-01-24 Matthias Klose <doko@ubuntu.com>
41 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
42 * configure: Regenerate.
44 2015-01-05 Jakub Jelinek <jakub@redhat.com>
46 Update copyright years.
48 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
51 * configure: Regenerated.
53 2014-11-11 David Malcolm <dmalcolm@redhat.com>
57 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
60 * configure: Regenerate.
62 2014-10-23 Ian Lance Taylor <iant@google.com>
64 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
67 2014-05-08 Ian Lance Taylor <iant@google.com>
69 * mmap.c (backtrace_free): If freeing a large aligned block of
70 memory, call munmap rather than holding onto it.
71 (backtrace_vector_grow): When growing a vector, double the number
72 of pages requested. When releasing the old version of a grown
73 vector, pass the correct size to backtrace_free.
75 2014-03-07 Ian Lance Taylor <iant@google.com>
77 * sort.c (backtrace_qsort): Use middle element as pivot.
79 2014-03-06 Ian Lance Taylor <iant@google.com>
83 * internal.h (backtrace_qsort): Declare.
84 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
85 (read_line_info, read_function_entry): Likewise.
86 (read_function_info, build_dwarf_data): Likewise.
87 * elf.c (elf_initialize_syminfo): Likewise.
88 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
89 (stest_SOURCES, stest_LDADD): Define.
90 (check_PROGRAMS): Add stest.
92 2014-02-07 Misty De Meo <misty@brew.sh>
95 * configure.ac: Use AC_LINK_IFELSE in check for
97 * configure: Regenerate.
99 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
101 Update copyright years
103 2013-12-06 Jakub Jelinek <jakub@redhat.com>
105 * elf.c (ET_DYN): Undefine and define again.
106 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
107 return early -1 without closing the descriptor.
108 (struct phdr_data): Add exe_descriptor.
109 (phdr_callback): If pd->exe_descriptor is not -1, for very first
110 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
111 otherwise backtrace_close the exe_descriptor if not -1. Adjust
113 (backtrace_initialize): Adjust call to elf_add. If it returns
114 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
116 2013-12-05 Ian Lance Taylor <iant@google.com>
118 * alloc.c (backtrace_vector_finish): Add error_callback and data
119 parameters. Call backtrace_vector_release. Return address base.
120 * mmap.c (backtrace_vector_finish): Add error_callback and data
121 parameters. Return address base.
122 * dwarf.c (read_function_info): Get new address base from
123 backtrace_vector_finish.
124 * internal.h (backtrace_vector_finish): Update declaration.
126 2013-11-27 Ian Lance Taylor <iant@google.com>
128 * dwarf.c (find_address_ranges): New static function, broken out
129 of build_address_map.
130 (build_address_map): Call it.
131 * btest.c (check): Check for missing filename or function, rather
133 (f3): Check that enough frames were returned.
135 2013-11-19 Jakub Jelinek <jakub@redhat.com>
137 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
138 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
140 * btest.c (struct symdata): Add size field.
141 (callback_three): Add symsize argument. Copy it to the data->size
143 (f23): Set symdata.size to 0.
144 (test5): Likewise. If sizeof (int) > 1, lookup address of
145 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
148 * atomic.c: Include sys/types.h.
150 2013-11-18 Ian Lance Taylor <iant@google.com>
152 * configure.ac: Check for support of __atomic extensions.
153 * internal.h: Declare or #define atomic functions for use in
155 * atomic.c: New file.
156 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
157 (dwarf_fileline, backtrace_dwarf_add): Likewise.
158 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
159 (backtrace_initialize): Likewise.
160 * fileline.c (fileline_initialize): Likewise.
161 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
162 * configure, config.h.in, Makefile.in: Rebuild.
164 2013-11-18 Jakub Jelinek <jakub@redhat.com>
166 * elf.c (SHN_UNDEF): Define.
167 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
168 with st_shndx == SHN_UNDEF. Add base_address to address fields.
169 (elf_add): Adjust caller.
171 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
173 2013-11-16 Ian Lance Taylor <iant@google.com>
175 * backtrace.h (backtrace_create_state): Correct comment about
178 2013-11-15 Ian Lance Taylor <iant@google.com>
180 * backtrace.h (backtrace_syminfo): Update comment and parameter
181 name to take any address, not just a PC value.
182 * elf.c (STT_OBJECT): Define.
183 (elf_nosyms): Rename parameter pc to addr.
184 (elf_symbol_search): Rename local variable pc to addr.
185 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
186 (elf_syminfo): Rename parameter pc to addr.
187 * btest.c (global): New global variable.
191 2013-10-17 Ian Lance Taylor <iant@google.com>
193 * elf.c (elf_add): Don't get the wrong offsets if a debug section
196 2013-10-15 David Malcolm <dmalcolm@redhat.com>
198 * configure.ac: Add --enable-host-shared, setting up
199 pre-existing PIC_FLAG variable within Makefile.am et al.
200 * configure: Regenerate.
202 2013-09-20 Alan Modra <amodra@gmail.com>
204 * configure: Regenerate.
206 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
208 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
210 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
212 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
213 dl_iterate_phdr callbacks.
215 2013-03-25 Ian Lance Taylor <iant@google.com>
217 * alloc.c: #include <sys/types.h>.
220 2013-01-31 Ian Lance Taylor <iant@google.com>
222 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
223 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
225 2013-01-25 Jakub Jelinek <jakub@redhat.com>
228 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
229 attribute was not seen.
231 2013-01-16 Ian Lance Taylor <iant@google.com>
233 * dwarf.c (struct unit): Add filename and abs_filename fields.
234 (build_address_map): Set new fields when reading unit.
235 (dwarf_lookup_pc): If we don't find an entry in the line table,
236 just return the main file name.
238 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
240 Update copyright years.
242 2013-01-01 Ian Lance Taylor <iant@google.com>
245 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
246 $(MULTIBUILDTOP)/../../gcc/include.
247 * Makefile.in: Rebuild.
249 2013-01-01 Ian Lance Taylor <iant@google.com>
252 * mmap.c (backtrace_alloc): Don't call sync functions if not
254 (backtrace_free): Likewise.
256 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
258 * mmapio.c: Define MAP_FAILED if not defined.
260 2012-12-11 Jakub Jelinek <jakub@redhat.com>
263 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
264 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
265 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
267 * Makefile.in: Regenerated.
268 * configure: Regenerated.
270 2012-12-07 Jakub Jelinek <jakub@redhat.com>
273 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
274 * Makefile.in: Regenerated.
276 2012-11-20 Ian Lance Taylor <iant@google.com>
278 * dwarf.c (read_attribute): Always clear val.
280 2012-11-13 Ian Lance Taylor <iant@google.com>
283 * configure.ac: Only add -Werror if building a target library.
284 * configure: Rebuild.
286 2012-11-12 Ian Lance Taylor <iant@google.com>
287 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
288 Gerald Pfeifer <gerald@pfeifer.com>
290 * configure.ac: Check for getexecname.
291 * fileline.c: #include <errno.h>. Define getexecname if not
293 (fileline_initialize): Try to find the executable in a few
295 * print.c (error_callback): Only print the filename if it came
296 from the backtrace state.
297 * configure, config.h.in: Rebuild.
299 2012-10-29 Ian Lance Taylor <iant@google.com>
301 * mmap.c (backtrace_vector_release): Correct last patch: add
304 2012-10-29 Ian Lance Taylor <iant@google.com>
306 * mmap.c (backtrace_vector_release): Make sure freed block is
307 aligned on 8-byte boundary.
309 2012-10-26 Ian Lance Taylor <iant@google.com>
312 * posix.c (backtrace_open): Add does_not_exist parameter.
313 * elf.c (phdr_callback): Do not warn if shared library could not
315 * fileline.c (fileline_initialize): Update calls to
317 * internal.h (backtrace_open): Update declaration.
319 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
322 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
323 * configure: Regenerate.
325 2012-10-24 Ian Lance Taylor <iant@google.com>
328 * configure.ac: Check whether -funwind-tables option works.
329 * configure: Rebuild.
331 2012-10-11 Ian Lance Taylor <iant@google.com>
333 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
334 * configure: Rebuild.
336 2012-10-10 Ian Lance Taylor <iant@google.com>
338 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
341 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
343 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
345 2012-10-09 Ian Lance Taylor <iant@google.com>
347 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
348 (backtrace_dwarf_add): Likewise.
350 2012-10-09 Ian Lance Taylor <iant@google.com>
352 Add support for tracing through shared libraries.
353 * configure.ac: Check for link.h and dl_iterate_phdr.
354 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
355 ELF macros before #defining them.
356 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
358 (struct elf_syminfo_data): Add next field.
359 (elf_initialize_syminfo): Initialize next field.
360 (elf_add_syminfo_data): New static function.
361 (elf_add): New static function, broken out of
362 backtrace_initialize. Call backtrace_dwarf_add instead of
363 backtrace_dwarf_initialize.
364 (struct phdr_data): Define.
365 (phdr_callback): New static function.
366 (backtrace_initialize): Call elf_add.
367 * dwarf.c (struct dwarf_data): Add next and base_address fields.
368 (add_unit_addr): Add base_address parameter. Change all callers.
369 (add_unit_ranges, build_address_map): Likewise.
370 (add_line): Add ddata parameter. Change all callers.
371 (read_line_program, add_function_range): Likewise.
372 (dwarf_lookup_pc): New static function, broken out of
374 (dwarf_fileline): Call dwarf_lookup_pc.
375 (build_dwarf_data): New static function.
376 (backtrace_dwarf_add): New function.
377 (backtrace_dwarf_initialize): Remove.
378 * internal.h (backtrace_dwarf_initialize): Don't declare.
379 (backtrace_dwarf_add): Declare.
380 * configure, config.h.in: Rebuild.
382 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
384 * btest.c (f23): Avoid uninitialized variable warning.
386 2012-10-04 Ian Lance Taylor <iant@google.com>
388 * dwarf.c: If the system header files do not declare strnlen,
389 provide our own version.
391 2012-10-03 Ian Lance Taylor <iant@google.com>
393 * dwarf.c (read_uleb128): Fix overflow test.
394 (read_sleb128): Likewise.
395 (build_address_map): Don't change unit_buf.start.
397 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
400 * configure.ac (EXTRA_FLAGS): New.
401 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
402 * configure, Makefile.in: Regenerate.
404 2012-09-29 Ian Lance Taylor <iant@google.com>
407 * fileline.c (fileline_initialize): Pass errnum as -1 when
408 reporting that we could not read executable information after a
411 2012-09-27 Ian Lance Taylor <iant@google.com>
414 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
415 * Makefile.am: Add dependencies for all objects.
416 * configure, aclocal.m4, Makefile.in: Rebuild.
418 2012-09-27 Ian Lance Taylor <iant@google.com>
421 * elf.c (backtrace_initialize): Set *fileln_fn, not
424 2012-09-19 Ian Lance Taylor <iant@google.com>
426 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
428 * configure: Rebuild.
430 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
431 Ian Lance Taylor <iant@google.com>
433 * configure.ac (GCC_HEADER_STDINT): Invoke.
434 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
435 * btest.c: Don't include <stdint.h>.
437 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
439 2012-09-18 Ian Lance Taylor <iant@google.com>
442 * Makefile.am (AM_CPPFLAGS): Define.
443 (AM_CFLAGS): Remove -I options.
444 * Makefile.in: Rebuild.
446 2012-09-18 Ian Lance Taylor <iant@google.com>
448 * posix.c (O_BINARY): Define if not defined.
449 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
450 HAVE_FCNTL is defined.
451 * configure.ac: Test for the fcntl function.
452 * configure, config.h.in: Rebuild.
454 2012-09-18 Ian Lance Taylor <iant@google.com>
456 * btest.c (test1, test2, test3, test4): Add the unused attribute.
458 2012-09-18 Ian Lance Taylor <iant@google.com>
460 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
462 2012-09-18 Ian Lance Taylor <iant@google.com>
464 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
465 * mmapio.c: Don't define _GNU_SOURCE.
466 * configure, config.h.in: Rebuild.
468 2012-09-18 Ian Lance Taylor <iant@google.com>
470 * configure.ac: Check whether strnlen is declared.
471 * dwarf.c: Declare strnlen if not declared.
472 * configure, config.h.in: Rebuild.
474 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
476 * fileline.c: Include <stdlib.h>.
479 2012-09-17 Ian Lance Taylor <iant@google.com>
482 * nounwind.c (backtrace_full): Rename from backtrace. Add state
485 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
488 * nounwind.c (backtrace_simple): Add state parameter.
490 2012-09-17 Ian Lance Taylor <iant@google.com>
493 * unknown.c (unknown_fileline): Add state parameter, remove
494 fileline_data parameter, name error_callback parameter.
495 (backtrace_initialize): Add state parameter.
497 2012-09-17 Ian Lance Taylor <iant@google.com>
499 * Initial implementation.