re PR sanitizer/65479 (sanitizer stack trace missing frames past #0 on powerpc64)
[gcc.git] / libbacktrace / ChangeLog
1 2015-06-11 Martin Sebor <msebor@redhat.com>
2
3 PR sanitizer/65479
4 * dwarf.c (struct line): Add new field idx.
5 (line_compare): Use it.
6 (add_line): Set it.
7 (read_line_info): Reset it.
8
9 2015-05-29 Tristan Gingold <gingold@adacore.com>
10
11 * pecoff.c: New file.
12 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
13 * Makefile.in: Regenerate.
14 * filetype.awk: Detect pecoff.
15 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
16 Add pecoff.
17 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
18 true.
19 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
20 * configure: Regenerate.
21 * pecoff.c: New file.
22
23 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
24
25 * Makefile.in: Regenerated with automake-1.11.6.
26 * aclocal.m4: Likewise.
27 * configure: Likewise.
28
29 2015-01-24 Matthias Klose <doko@ubuntu.com>
30
31 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
32 * configure: Regenerate.
33
34 2015-01-05 Jakub Jelinek <jakub@redhat.com>
35
36 Update copyright years.
37
38 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
39
40 PR bootstrap/63784
41 * configure: Regenerated.
42
43 2014-11-11 David Malcolm <dmalcolm@redhat.com>
44
45 * ChangeLog.jit: New.
46
47 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
48
49 PR target/63610
50 * configure: Regenerate.
51
52 2014-10-23 Ian Lance Taylor <iant@google.com>
53
54 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
55 Fix to return void *.
56
57 2014-05-08 Ian Lance Taylor <iant@google.com>
58
59 * mmap.c (backtrace_free): If freeing a large aligned block of
60 memory, call munmap rather than holding onto it.
61 (backtrace_vector_grow): When growing a vector, double the number
62 of pages requested. When releasing the old version of a grown
63 vector, pass the correct size to backtrace_free.
64
65 2014-03-07 Ian Lance Taylor <iant@google.com>
66
67 * sort.c (backtrace_qsort): Use middle element as pivot.
68
69 2014-03-06 Ian Lance Taylor <iant@google.com>
70
71 * sort.c: New file.
72 * stest.c: New file.
73 * internal.h (backtrace_qsort): Declare.
74 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
75 (read_line_info, read_function_entry): Likewise.
76 (read_function_info, build_dwarf_data): Likewise.
77 * elf.c (elf_initialize_syminfo): Likewise.
78 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
79 (stest_SOURCES, stest_LDADD): Define.
80 (check_PROGRAMS): Add stest.
81
82 2014-02-07 Misty De Meo <misty@brew.sh>
83
84 PR target/58710
85 * configure.ac: Use AC_LINK_IFELSE in check for
86 _Unwind_GetIPInfo.
87 * configure: Regenerate.
88
89 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
90
91 Update copyright years
92
93 2013-12-06 Jakub Jelinek <jakub@redhat.com>
94
95 * elf.c (ET_DYN): Undefine and define again.
96 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
97 return early -1 without closing the descriptor.
98 (struct phdr_data): Add exe_descriptor.
99 (phdr_callback): If pd->exe_descriptor is not -1, for very first
100 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
101 otherwise backtrace_close the exe_descriptor if not -1. Adjust
102 call to elf_add.
103 (backtrace_initialize): Adjust call to elf_add. If it returns
104 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
105
106 2013-12-05 Ian Lance Taylor <iant@google.com>
107
108 * alloc.c (backtrace_vector_finish): Add error_callback and data
109 parameters. Call backtrace_vector_release. Return address base.
110 * mmap.c (backtrace_vector_finish): Add error_callback and data
111 parameters. Return address base.
112 * dwarf.c (read_function_info): Get new address base from
113 backtrace_vector_finish.
114 * internal.h (backtrace_vector_finish): Update declaration.
115
116 2013-11-27 Ian Lance Taylor <iant@google.com>
117
118 * dwarf.c (find_address_ranges): New static function, broken out
119 of build_address_map.
120 (build_address_map): Call it.
121 * btest.c (check): Check for missing filename or function, rather
122 than crashing.
123 (f3): Check that enough frames were returned.
124
125 2013-11-19 Jakub Jelinek <jakub@redhat.com>
126
127 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
128 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
129 last argument.
130 * btest.c (struct symdata): Add size field.
131 (callback_three): Add symsize argument. Copy it to the data->size
132 field.
133 (f23): Set symdata.size to 0.
134 (test5): Likewise. If sizeof (int) > 1, lookup address of
135 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
136 values.
137
138 * atomic.c: Include sys/types.h.
139
140 2013-11-18 Ian Lance Taylor <iant@google.com>
141
142 * configure.ac: Check for support of __atomic extensions.
143 * internal.h: Declare or #define atomic functions for use in
144 backtrace code.
145 * atomic.c: New file.
146 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
147 (dwarf_fileline, backtrace_dwarf_add): Likewise.
148 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
149 (backtrace_initialize): Likewise.
150 * fileline.c (fileline_initialize): Likewise.
151 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
152 * configure, config.h.in, Makefile.in: Rebuild.
153
154 2013-11-18 Jakub Jelinek <jakub@redhat.com>
155
156 * elf.c (SHN_UNDEF): Define.
157 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
158 with st_shndx == SHN_UNDEF. Add base_address to address fields.
159 (elf_add): Adjust caller.
160
161 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
162
163 2013-11-16 Ian Lance Taylor <iant@google.com>
164
165 * backtrace.h (backtrace_create_state): Correct comment about
166 threading.
167
168 2013-11-15 Ian Lance Taylor <iant@google.com>
169
170 * backtrace.h (backtrace_syminfo): Update comment and parameter
171 name to take any address, not just a PC value.
172 * elf.c (STT_OBJECT): Define.
173 (elf_nosyms): Rename parameter pc to addr.
174 (elf_symbol_search): Rename local variable pc to addr.
175 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
176 (elf_syminfo): Rename parameter pc to addr.
177 * btest.c (global): New global variable.
178 (test5): New test.
179 (main): Call test5.
180
181 2013-10-17 Ian Lance Taylor <iant@google.com>
182
183 * elf.c (elf_add): Don't get the wrong offsets if a debug section
184 is missing.
185
186 2013-10-15 David Malcolm <dmalcolm@redhat.com>
187
188 * configure.ac: Add --enable-host-shared, setting up
189 pre-existing PIC_FLAG variable within Makefile.am et al.
190 * configure: Regenerate.
191
192 2013-09-20 Alan Modra <amodra@gmail.com>
193
194 * configure: Regenerate.
195
196 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
197
198 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
199
200 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
201
202 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
203 dl_iterate_phdr callbacks.
204
205 2013-03-25 Ian Lance Taylor <iant@google.com>
206
207 * alloc.c: #include <sys/types.h>.
208 * mmap.c: Likewise.
209
210 2013-01-31 Ian Lance Taylor <iant@google.com>
211
212 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
213 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
214
215 2013-01-25 Jakub Jelinek <jakub@redhat.com>
216
217 PR other/56076
218 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
219 attribute was not seen.
220
221 2013-01-16 Ian Lance Taylor <iant@google.com>
222
223 * dwarf.c (struct unit): Add filename and abs_filename fields.
224 (build_address_map): Set new fields when reading unit.
225 (dwarf_lookup_pc): If we don't find an entry in the line table,
226 just return the main file name.
227
228 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
229
230 Update copyright years.
231
232 2013-01-01 Ian Lance Taylor <iant@google.com>
233
234 PR bootstrap/54834
235 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
236 $(MULTIBUILDTOP)/../../gcc/include.
237 * Makefile.in: Rebuild.
238
239 2013-01-01 Ian Lance Taylor <iant@google.com>
240
241 PR other/55536
242 * mmap.c (backtrace_alloc): Don't call sync functions if not
243 threaded.
244 (backtrace_free): Likewise.
245
246 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
247
248 * mmapio.c: Define MAP_FAILED if not defined.
249
250 2012-12-11 Jakub Jelinek <jakub@redhat.com>
251
252 PR bootstrap/54926
253 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
254 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
255 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
256 accepts it.
257 * Makefile.in: Regenerated.
258 * configure: Regenerated.
259
260 2012-12-07 Jakub Jelinek <jakub@redhat.com>
261
262 PR bootstrap/54926
263 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
264 * Makefile.in: Regenerated.
265
266 2012-11-20 Ian Lance Taylor <iant@google.com>
267
268 * dwarf.c (read_attribute): Always clear val.
269
270 2012-11-13 Ian Lance Taylor <iant@google.com>
271
272 PR other/55312
273 * configure.ac: Only add -Werror if building a target library.
274 * configure: Rebuild.
275
276 2012-11-12 Ian Lance Taylor <iant@google.com>
277 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
278 Gerald Pfeifer <gerald@pfeifer.com>
279
280 * configure.ac: Check for getexecname.
281 * fileline.c: #include <errno.h>. Define getexecname if not
282 available.
283 (fileline_initialize): Try to find the executable in a few
284 different ways.
285 * print.c (error_callback): Only print the filename if it came
286 from the backtrace state.
287 * configure, config.h.in: Rebuild.
288
289 2012-10-29 Ian Lance Taylor <iant@google.com>
290
291 * mmap.c (backtrace_vector_release): Correct last patch: add
292 aligned, not size.
293
294 2012-10-29 Ian Lance Taylor <iant@google.com>
295
296 * mmap.c (backtrace_vector_release): Make sure freed block is
297 aligned on 8-byte boundary.
298
299 2012-10-26 Ian Lance Taylor <iant@google.com>
300
301 PR other/55087
302 * posix.c (backtrace_open): Add does_not_exist parameter.
303 * elf.c (phdr_callback): Do not warn if shared library could not
304 be opened.
305 * fileline.c (fileline_initialize): Update calls to
306 backtrace_open.
307 * internal.h (backtrace_open): Update declaration.
308
309 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
310
311 PR target/55061
312 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
313 * configure: Regenerate.
314
315 2012-10-24 Ian Lance Taylor <iant@google.com>
316
317 PR target/55061
318 * configure.ac: Check whether -funwind-tables option works.
319 * configure: Rebuild.
320
321 2012-10-11 Ian Lance Taylor <iant@google.com>
322
323 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
324 * configure: Rebuild.
325
326 2012-10-10 Ian Lance Taylor <iant@google.com>
327
328 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
329 lower case.
330
331 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
332
333 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
334
335 2012-10-09 Ian Lance Taylor <iant@google.com>
336
337 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
338 (backtrace_dwarf_add): Likewise.
339
340 2012-10-09 Ian Lance Taylor <iant@google.com>
341
342 Add support for tracing through shared libraries.
343 * configure.ac: Check for link.h and dl_iterate_phdr.
344 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
345 ELF macros before #defining them.
346 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
347 dl_iterate_phdr.
348 (struct elf_syminfo_data): Add next field.
349 (elf_initialize_syminfo): Initialize next field.
350 (elf_add_syminfo_data): New static function.
351 (elf_add): New static function, broken out of
352 backtrace_initialize. Call backtrace_dwarf_add instead of
353 backtrace_dwarf_initialize.
354 (struct phdr_data): Define.
355 (phdr_callback): New static function.
356 (backtrace_initialize): Call elf_add.
357 * dwarf.c (struct dwarf_data): Add next and base_address fields.
358 (add_unit_addr): Add base_address parameter. Change all callers.
359 (add_unit_ranges, build_address_map): Likewise.
360 (add_line): Add ddata parameter. Change all callers.
361 (read_line_program, add_function_range): Likewise.
362 (dwarf_lookup_pc): New static function, broken out of
363 dwarf_fileline.
364 (dwarf_fileline): Call dwarf_lookup_pc.
365 (build_dwarf_data): New static function.
366 (backtrace_dwarf_add): New function.
367 (backtrace_dwarf_initialize): Remove.
368 * internal.h (backtrace_dwarf_initialize): Don't declare.
369 (backtrace_dwarf_add): Declare.
370 * configure, config.h.in: Rebuild.
371
372 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
373
374 * btest.c (f23): Avoid uninitialized variable warning.
375
376 2012-10-04 Ian Lance Taylor <iant@google.com>
377
378 * dwarf.c: If the system header files do not declare strnlen,
379 provide our own version.
380
381 2012-10-03 Ian Lance Taylor <iant@google.com>
382
383 * dwarf.c (read_uleb128): Fix overflow test.
384 (read_sleb128): Likewise.
385 (build_address_map): Don't change unit_buf.start.
386
387 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
388
389 PR other/54761
390 * configure.ac (EXTRA_FLAGS): New.
391 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
392 * configure, Makefile.in: Regenerate.
393
394 2012-09-29 Ian Lance Taylor <iant@google.com>
395
396 PR other/54749
397 * fileline.c (fileline_initialize): Pass errnum as -1 when
398 reporting that we could not read executable information after a
399 previous failure.
400
401 2012-09-27 Ian Lance Taylor <iant@google.com>
402
403 PR bootstrap/54732
404 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
405 * Makefile.am: Add dependencies for all objects.
406 * configure, aclocal.m4, Makefile.in: Rebuild.
407
408 2012-09-27 Ian Lance Taylor <iant@google.com>
409
410 PR other/54726
411 * elf.c (backtrace_initialize): Set *fileln_fn, not
412 state->fileln_fn.
413
414 2012-09-19 Ian Lance Taylor <iant@google.com>
415
416 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
417 as a target library.
418 * configure: Rebuild.
419
420 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
421 Ian Lance Taylor <iant@google.com>
422
423 * configure.ac (GCC_HEADER_STDINT): Invoke.
424 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
425 * btest.c: Don't include <stdint.h>.
426 * dwarf.c: Likewise.
427 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
428
429 2012-09-18 Ian Lance Taylor <iant@google.com>
430
431 PR bootstrap/54623
432 * Makefile.am (AM_CPPFLAGS): Define.
433 (AM_CFLAGS): Remove -I options.
434 * Makefile.in: Rebuild.
435
436 2012-09-18 Ian Lance Taylor <iant@google.com>
437
438 * posix.c (O_BINARY): Define if not defined.
439 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
440 HAVE_FCNTL is defined.
441 * configure.ac: Test for the fcntl function.
442 * configure, config.h.in: Rebuild.
443
444 2012-09-18 Ian Lance Taylor <iant@google.com>
445
446 * btest.c (test1, test2, test3, test4): Add the unused attribute.
447
448 2012-09-18 Ian Lance Taylor <iant@google.com>
449
450 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
451
452 2012-09-18 Ian Lance Taylor <iant@google.com>
453
454 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
455 * mmapio.c: Don't define _GNU_SOURCE.
456 * configure, config.h.in: Rebuild.
457
458 2012-09-18 Ian Lance Taylor <iant@google.com>
459
460 * configure.ac: Check whether strnlen is declared.
461 * dwarf.c: Declare strnlen if not declared.
462 * configure, config.h.in: Rebuild.
463
464 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
465
466 * fileline.c: Include <stdlib.h>.
467 * mmap.c: Likewise.
468
469 2012-09-17 Ian Lance Taylor <iant@google.com>
470
471 PR bootstrap/54611
472 * nounwind.c (backtrace_full): Rename from backtrace. Add state
473 parameter.
474
475 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
476
477 PR bootstrap/54611
478 * nounwind.c (backtrace_simple): Add state parameter.
479
480 2012-09-17 Ian Lance Taylor <iant@google.com>
481
482 PR bootstrap/54609
483 * unknown.c (unknown_fileline): Add state parameter, remove
484 fileline_data parameter, name error_callback parameter.
485 (backtrace_initialize): Add state parameter.
486
487 2012-09-17 Ian Lance Taylor <iant@google.com>
488
489 * Initial implementation.