1 2015-01-05 Jakub Jelinek <jakub@redhat.com>
3 Update copyright years.
5 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
8 * configure: Regenerated.
10 2014-11-11 David Malcolm <dmalcolm@redhat.com>
14 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
17 * configure: Regenerate.
19 2014-10-23 Ian Lance Taylor <iant@google.com>
21 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
24 2014-05-08 Ian Lance Taylor <iant@google.com>
26 * mmap.c (backtrace_free): If freeing a large aligned block of
27 memory, call munmap rather than holding onto it.
28 (backtrace_vector_grow): When growing a vector, double the number
29 of pages requested. When releasing the old version of a grown
30 vector, pass the correct size to backtrace_free.
32 2014-03-07 Ian Lance Taylor <iant@google.com>
34 * sort.c (backtrace_qsort): Use middle element as pivot.
36 2014-03-06 Ian Lance Taylor <iant@google.com>
40 * internal.h (backtrace_qsort): Declare.
41 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
42 (read_line_info, read_function_entry): Likewise.
43 (read_function_info, build_dwarf_data): Likewise.
44 * elf.c (elf_initialize_syminfo): Likewise.
45 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
46 (stest_SOURCES, stest_LDADD): Define.
47 (check_PROGRAMS): Add stest.
49 2014-02-07 Misty De Meo <misty@brew.sh>
52 * configure.ac: Use AC_LINK_IFELSE in check for
54 * configure: Regenerate.
56 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
58 Update copyright years
60 2013-12-06 Jakub Jelinek <jakub@redhat.com>
62 * elf.c (ET_DYN): Undefine and define again.
63 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
64 return early -1 without closing the descriptor.
65 (struct phdr_data): Add exe_descriptor.
66 (phdr_callback): If pd->exe_descriptor is not -1, for very first
67 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
68 otherwise backtrace_close the exe_descriptor if not -1. Adjust
70 (backtrace_initialize): Adjust call to elf_add. If it returns
71 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
73 2013-12-05 Ian Lance Taylor <iant@google.com>
75 * alloc.c (backtrace_vector_finish): Add error_callback and data
76 parameters. Call backtrace_vector_release. Return address base.
77 * mmap.c (backtrace_vector_finish): Add error_callback and data
78 parameters. Return address base.
79 * dwarf.c (read_function_info): Get new address base from
80 backtrace_vector_finish.
81 * internal.h (backtrace_vector_finish): Update declaration.
83 2013-11-27 Ian Lance Taylor <iant@google.com>
85 * dwarf.c (find_address_ranges): New static function, broken out
87 (build_address_map): Call it.
88 * btest.c (check): Check for missing filename or function, rather
90 (f3): Check that enough frames were returned.
92 2013-11-19 Jakub Jelinek <jakub@redhat.com>
94 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
95 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
97 * btest.c (struct symdata): Add size field.
98 (callback_three): Add symsize argument. Copy it to the data->size
100 (f23): Set symdata.size to 0.
101 (test5): Likewise. If sizeof (int) > 1, lookup address of
102 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
105 * atomic.c: Include sys/types.h.
107 2013-11-18 Ian Lance Taylor <iant@google.com>
109 * configure.ac: Check for support of __atomic extensions.
110 * internal.h: Declare or #define atomic functions for use in
112 * atomic.c: New file.
113 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
114 (dwarf_fileline, backtrace_dwarf_add): Likewise.
115 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
116 (backtrace_initialize): Likewise.
117 * fileline.c (fileline_initialize): Likewise.
118 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
119 * configure, config.h.in, Makefile.in: Rebuild.
121 2013-11-18 Jakub Jelinek <jakub@redhat.com>
123 * elf.c (SHN_UNDEF): Define.
124 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
125 with st_shndx == SHN_UNDEF. Add base_address to address fields.
126 (elf_add): Adjust caller.
128 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
130 2013-11-16 Ian Lance Taylor <iant@google.com>
132 * backtrace.h (backtrace_create_state): Correct comment about
135 2013-11-15 Ian Lance Taylor <iant@google.com>
137 * backtrace.h (backtrace_syminfo): Update comment and parameter
138 name to take any address, not just a PC value.
139 * elf.c (STT_OBJECT): Define.
140 (elf_nosyms): Rename parameter pc to addr.
141 (elf_symbol_search): Rename local variable pc to addr.
142 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
143 (elf_syminfo): Rename parameter pc to addr.
144 * btest.c (global): New global variable.
148 2013-10-17 Ian Lance Taylor <iant@google.com>
150 * elf.c (elf_add): Don't get the wrong offsets if a debug section
153 2013-10-15 David Malcolm <dmalcolm@redhat.com>
155 * configure.ac: Add --enable-host-shared, setting up
156 pre-existing PIC_FLAG variable within Makefile.am et al.
157 * configure: Regenerate.
159 2013-09-20 Alan Modra <amodra@gmail.com>
161 * configure: Regenerate.
163 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
165 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
167 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
169 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
170 dl_iterate_phdr callbacks.
172 2013-03-25 Ian Lance Taylor <iant@google.com>
174 * alloc.c: #include <sys/types.h>.
177 2013-01-31 Ian Lance Taylor <iant@google.com>
179 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
180 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
182 2013-01-25 Jakub Jelinek <jakub@redhat.com>
185 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
186 attribute was not seen.
188 2013-01-16 Ian Lance Taylor <iant@google.com>
190 * dwarf.c (struct unit): Add filename and abs_filename fields.
191 (build_address_map): Set new fields when reading unit.
192 (dwarf_lookup_pc): If we don't find an entry in the line table,
193 just return the main file name.
195 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
197 Update copyright years.
199 2013-01-01 Ian Lance Taylor <iant@google.com>
202 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
203 $(MULTIBUILDTOP)/../../gcc/include.
204 * Makefile.in: Rebuild.
206 2013-01-01 Ian Lance Taylor <iant@google.com>
209 * mmap.c (backtrace_alloc): Don't call sync functions if not
211 (backtrace_free): Likewise.
213 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
215 * mmapio.c: Define MAP_FAILED if not defined.
217 2012-12-11 Jakub Jelinek <jakub@redhat.com>
220 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
221 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
222 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
224 * Makefile.in: Regenerated.
225 * configure: Regenerated.
227 2012-12-07 Jakub Jelinek <jakub@redhat.com>
230 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
231 * Makefile.in: Regenerated.
233 2012-11-20 Ian Lance Taylor <iant@google.com>
235 * dwarf.c (read_attribute): Always clear val.
237 2012-11-13 Ian Lance Taylor <iant@google.com>
240 * configure.ac: Only add -Werror if building a target library.
241 * configure: Rebuild.
243 2012-11-12 Ian Lance Taylor <iant@google.com>
244 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
245 Gerald Pfeifer <gerald@pfeifer.com>
247 * configure.ac: Check for getexecname.
248 * fileline.c: #include <errno.h>. Define getexecname if not
250 (fileline_initialize): Try to find the executable in a few
252 * print.c (error_callback): Only print the filename if it came
253 from the backtrace state.
254 * configure, config.h.in: Rebuild.
256 2012-10-29 Ian Lance Taylor <iant@google.com>
258 * mmap.c (backtrace_vector_release): Correct last patch: add
261 2012-10-29 Ian Lance Taylor <iant@google.com>
263 * mmap.c (backtrace_vector_release): Make sure freed block is
264 aligned on 8-byte boundary.
266 2012-10-26 Ian Lance Taylor <iant@google.com>
269 * posix.c (backtrace_open): Add does_not_exist parameter.
270 * elf.c (phdr_callback): Do not warn if shared library could not
272 * fileline.c (fileline_initialize): Update calls to
274 * internal.h (backtrace_open): Update declaration.
276 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
279 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
280 * configure: Regenerate.
282 2012-10-24 Ian Lance Taylor <iant@google.com>
285 * configure.ac: Check whether -funwind-tables option works.
286 * configure: Rebuild.
288 2012-10-11 Ian Lance Taylor <iant@google.com>
290 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
291 * configure: Rebuild.
293 2012-10-10 Ian Lance Taylor <iant@google.com>
295 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
298 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
300 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
302 2012-10-09 Ian Lance Taylor <iant@google.com>
304 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
305 (backtrace_dwarf_add): Likewise.
307 2012-10-09 Ian Lance Taylor <iant@google.com>
309 Add support for tracing through shared libraries.
310 * configure.ac: Check for link.h and dl_iterate_phdr.
311 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
312 ELF macros before #defining them.
313 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
315 (struct elf_syminfo_data): Add next field.
316 (elf_initialize_syminfo): Initialize next field.
317 (elf_add_syminfo_data): New static function.
318 (elf_add): New static function, broken out of
319 backtrace_initialize. Call backtrace_dwarf_add instead of
320 backtrace_dwarf_initialize.
321 (struct phdr_data): Define.
322 (phdr_callback): New static function.
323 (backtrace_initialize): Call elf_add.
324 * dwarf.c (struct dwarf_data): Add next and base_address fields.
325 (add_unit_addr): Add base_address parameter. Change all callers.
326 (add_unit_ranges, build_address_map): Likewise.
327 (add_line): Add ddata parameter. Change all callers.
328 (read_line_program, add_function_range): Likewise.
329 (dwarf_lookup_pc): New static function, broken out of
331 (dwarf_fileline): Call dwarf_lookup_pc.
332 (build_dwarf_data): New static function.
333 (backtrace_dwarf_add): New function.
334 (backtrace_dwarf_initialize): Remove.
335 * internal.h (backtrace_dwarf_initialize): Don't declare.
336 (backtrace_dwarf_add): Declare.
337 * configure, config.h.in: Rebuild.
339 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
341 * btest.c (f23): Avoid uninitialized variable warning.
343 2012-10-04 Ian Lance Taylor <iant@google.com>
345 * dwarf.c: If the system header files do not declare strnlen,
346 provide our own version.
348 2012-10-03 Ian Lance Taylor <iant@google.com>
350 * dwarf.c (read_uleb128): Fix overflow test.
351 (read_sleb128): Likewise.
352 (build_address_map): Don't change unit_buf.start.
354 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
357 * configure.ac (EXTRA_FLAGS): New.
358 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
359 * configure, Makefile.in: Regenerate.
361 2012-09-29 Ian Lance Taylor <iant@google.com>
364 * fileline.c (fileline_initialize): Pass errnum as -1 when
365 reporting that we could not read executable information after a
368 2012-09-27 Ian Lance Taylor <iant@google.com>
371 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
372 * Makefile.am: Add dependencies for all objects.
373 * configure, aclocal.m4, Makefile.in: Rebuild.
375 2012-09-27 Ian Lance Taylor <iant@google.com>
378 * elf.c (backtrace_initialize): Set *fileln_fn, not
381 2012-09-19 Ian Lance Taylor <iant@google.com>
383 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
385 * configure: Rebuild.
387 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
388 Ian Lance Taylor <iant@google.com>
390 * configure.ac (GCC_HEADER_STDINT): Invoke.
391 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
392 * btest.c: Don't include <stdint.h>.
394 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
396 2012-09-18 Ian Lance Taylor <iant@google.com>
399 * Makefile.am (AM_CPPFLAGS): Define.
400 (AM_CFLAGS): Remove -I options.
401 * Makefile.in: Rebuild.
403 2012-09-18 Ian Lance Taylor <iant@google.com>
405 * posix.c (O_BINARY): Define if not defined.
406 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
407 HAVE_FCNTL is defined.
408 * configure.ac: Test for the fcntl function.
409 * configure, config.h.in: Rebuild.
411 2012-09-18 Ian Lance Taylor <iant@google.com>
413 * btest.c (test1, test2, test3, test4): Add the unused attribute.
415 2012-09-18 Ian Lance Taylor <iant@google.com>
417 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
419 2012-09-18 Ian Lance Taylor <iant@google.com>
421 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
422 * mmapio.c: Don't define _GNU_SOURCE.
423 * configure, config.h.in: Rebuild.
425 2012-09-18 Ian Lance Taylor <iant@google.com>
427 * configure.ac: Check whether strnlen is declared.
428 * dwarf.c: Declare strnlen if not declared.
429 * configure, config.h.in: Rebuild.
431 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
433 * fileline.c: Include <stdlib.h>.
436 2012-09-17 Ian Lance Taylor <iant@google.com>
439 * nounwind.c (backtrace_full): Rename from backtrace. Add state
442 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
445 * nounwind.c (backtrace_simple): Add state parameter.
447 2012-09-17 Ian Lance Taylor <iant@google.com>
450 * unknown.c (unknown_fileline): Add state parameter, remove
451 fileline_data parameter, name error_callback parameter.
452 (backtrace_initialize): Add state parameter.
454 2012-09-17 Ian Lance Taylor <iant@google.com>
456 * Initial implementation.