1 2014-07-16 Release Manager
5 2014-05-08 Ian Lance Taylor <iant@google.com>
7 Backport from mainline:
8 * mmap.c (backtrace_free): If freeing a large aligned block of
9 memory, call munmap rather than holding onto it.
10 (backtrace_vector_grow): When growing a vector, double the number
11 of pages requested. When releasing the old version of a grown
12 vector, pass the correct size to backtrace_free.
14 2014-04-22 Release Manager
18 2014-03-07 Ian Lance Taylor <iant@google.com>
20 * sort.c (backtrace_qsort): Use middle element as pivot.
22 2014-03-06 Ian Lance Taylor <iant@google.com>
26 * internal.h (backtrace_qsort): Declare.
27 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
28 (read_line_info, read_function_entry): Likewise.
29 (read_function_info, build_dwarf_data): Likewise.
30 * elf.c (elf_initialize_syminfo): Likewise.
31 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
32 (stest_SOURCES, stest_LDADD): Define.
33 (check_PROGRAMS): Add stest.
35 2014-02-07 Misty De Meo <misty@brew.sh>
38 * configure.ac: Use AC_LINK_IFELSE in check for
40 * configure: Regenerate.
42 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
44 Update copyright years
46 2013-12-06 Jakub Jelinek <jakub@redhat.com>
48 * elf.c (ET_DYN): Undefine and define again.
49 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
50 return early -1 without closing the descriptor.
51 (struct phdr_data): Add exe_descriptor.
52 (phdr_callback): If pd->exe_descriptor is not -1, for very first
53 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
54 otherwise backtrace_close the exe_descriptor if not -1. Adjust
56 (backtrace_initialize): Adjust call to elf_add. If it returns
57 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
59 2013-12-05 Ian Lance Taylor <iant@google.com>
61 * alloc.c (backtrace_vector_finish): Add error_callback and data
62 parameters. Call backtrace_vector_release. Return address base.
63 * mmap.c (backtrace_vector_finish): Add error_callback and data
64 parameters. Return address base.
65 * dwarf.c (read_function_info): Get new address base from
66 backtrace_vector_finish.
67 * internal.h (backtrace_vector_finish): Update declaration.
69 2013-11-27 Ian Lance Taylor <iant@google.com>
71 * dwarf.c (find_address_ranges): New static function, broken out
73 (build_address_map): Call it.
74 * btest.c (check): Check for missing filename or function, rather
76 (f3): Check that enough frames were returned.
78 2013-11-19 Jakub Jelinek <jakub@redhat.com>
80 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
81 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
83 * btest.c (struct symdata): Add size field.
84 (callback_three): Add symsize argument. Copy it to the data->size
86 (f23): Set symdata.size to 0.
87 (test5): Likewise. If sizeof (int) > 1, lookup address of
88 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
91 * atomic.c: Include sys/types.h.
93 2013-11-18 Ian Lance Taylor <iant@google.com>
95 * configure.ac: Check for support of __atomic extensions.
96 * internal.h: Declare or #define atomic functions for use in
99 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
100 (dwarf_fileline, backtrace_dwarf_add): Likewise.
101 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
102 (backtrace_initialize): Likewise.
103 * fileline.c (fileline_initialize): Likewise.
104 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
105 * configure, config.h.in, Makefile.in: Rebuild.
107 2013-11-18 Jakub Jelinek <jakub@redhat.com>
109 * elf.c (SHN_UNDEF): Define.
110 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
111 with st_shndx == SHN_UNDEF. Add base_address to address fields.
112 (elf_add): Adjust caller.
114 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
116 2013-11-16 Ian Lance Taylor <iant@google.com>
118 * backtrace.h (backtrace_create_state): Correct comment about
121 2013-11-15 Ian Lance Taylor <iant@google.com>
123 * backtrace.h (backtrace_syminfo): Update comment and parameter
124 name to take any address, not just a PC value.
125 * elf.c (STT_OBJECT): Define.
126 (elf_nosyms): Rename parameter pc to addr.
127 (elf_symbol_search): Rename local variable pc to addr.
128 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
129 (elf_syminfo): Rename parameter pc to addr.
130 * btest.c (global): New global variable.
134 2013-10-17 Ian Lance Taylor <iant@google.com>
136 * elf.c (elf_add): Don't get the wrong offsets if a debug section
139 2013-10-15 David Malcolm <dmalcolm@redhat.com>
141 * configure.ac: Add --enable-host-shared, setting up
142 pre-existing PIC_FLAG variable within Makefile.am et al.
143 * configure: Regenerate.
145 2013-09-20 Alan Modra <amodra@gmail.com>
147 * configure: Regenerate.
149 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
151 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
153 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
155 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
156 dl_iterate_phdr callbacks.
158 2013-03-25 Ian Lance Taylor <iant@google.com>
160 * alloc.c: #include <sys/types.h>.
163 2013-01-31 Ian Lance Taylor <iant@google.com>
165 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
166 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
168 2013-01-25 Jakub Jelinek <jakub@redhat.com>
171 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
172 attribute was not seen.
174 2013-01-16 Ian Lance Taylor <iant@google.com>
176 * dwarf.c (struct unit): Add filename and abs_filename fields.
177 (build_address_map): Set new fields when reading unit.
178 (dwarf_lookup_pc): If we don't find an entry in the line table,
179 just return the main file name.
181 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
183 Update copyright years.
185 2013-01-01 Ian Lance Taylor <iant@google.com>
188 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
189 $(MULTIBUILDTOP)/../../gcc/include.
190 * Makefile.in: Rebuild.
192 2013-01-01 Ian Lance Taylor <iant@google.com>
195 * mmap.c (backtrace_alloc): Don't call sync functions if not
197 (backtrace_free): Likewise.
199 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
201 * mmapio.c: Define MAP_FAILED if not defined.
203 2012-12-11 Jakub Jelinek <jakub@redhat.com>
206 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
207 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
208 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
210 * Makefile.in: Regenerated.
211 * configure: Regenerated.
213 2012-12-07 Jakub Jelinek <jakub@redhat.com>
216 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
217 * Makefile.in: Regenerated.
219 2012-11-20 Ian Lance Taylor <iant@google.com>
221 * dwarf.c (read_attribute): Always clear val.
223 2012-11-13 Ian Lance Taylor <iant@google.com>
226 * configure.ac: Only add -Werror if building a target library.
227 * configure: Rebuild.
229 2012-11-12 Ian Lance Taylor <iant@google.com>
230 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
231 Gerald Pfeifer <gerald@pfeifer.com>
233 * configure.ac: Check for getexecname.
234 * fileline.c: #include <errno.h>. Define getexecname if not
236 (fileline_initialize): Try to find the executable in a few
238 * print.c (error_callback): Only print the filename if it came
239 from the backtrace state.
240 * configure, config.h.in: Rebuild.
242 2012-10-29 Ian Lance Taylor <iant@google.com>
244 * mmap.c (backtrace_vector_release): Correct last patch: add
247 2012-10-29 Ian Lance Taylor <iant@google.com>
249 * mmap.c (backtrace_vector_release): Make sure freed block is
250 aligned on 8-byte boundary.
252 2012-10-26 Ian Lance Taylor <iant@google.com>
255 * posix.c (backtrace_open): Add does_not_exist parameter.
256 * elf.c (phdr_callback): Do not warn if shared library could not
258 * fileline.c (fileline_initialize): Update calls to
260 * internal.h (backtrace_open): Update declaration.
262 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
265 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
266 * configure: Regenerate.
268 2012-10-24 Ian Lance Taylor <iant@google.com>
271 * configure.ac: Check whether -funwind-tables option works.
272 * configure: Rebuild.
274 2012-10-11 Ian Lance Taylor <iant@google.com>
276 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
277 * configure: Rebuild.
279 2012-10-10 Ian Lance Taylor <iant@google.com>
281 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
284 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
286 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
288 2012-10-09 Ian Lance Taylor <iant@google.com>
290 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
291 (backtrace_dwarf_add): Likewise.
293 2012-10-09 Ian Lance Taylor <iant@google.com>
295 Add support for tracing through shared libraries.
296 * configure.ac: Check for link.h and dl_iterate_phdr.
297 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
298 ELF macros before #defining them.
299 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
301 (struct elf_syminfo_data): Add next field.
302 (elf_initialize_syminfo): Initialize next field.
303 (elf_add_syminfo_data): New static function.
304 (elf_add): New static function, broken out of
305 backtrace_initialize. Call backtrace_dwarf_add instead of
306 backtrace_dwarf_initialize.
307 (struct phdr_data): Define.
308 (phdr_callback): New static function.
309 (backtrace_initialize): Call elf_add.
310 * dwarf.c (struct dwarf_data): Add next and base_address fields.
311 (add_unit_addr): Add base_address parameter. Change all callers.
312 (add_unit_ranges, build_address_map): Likewise.
313 (add_line): Add ddata parameter. Change all callers.
314 (read_line_program, add_function_range): Likewise.
315 (dwarf_lookup_pc): New static function, broken out of
317 (dwarf_fileline): Call dwarf_lookup_pc.
318 (build_dwarf_data): New static function.
319 (backtrace_dwarf_add): New function.
320 (backtrace_dwarf_initialize): Remove.
321 * internal.h (backtrace_dwarf_initialize): Don't declare.
322 (backtrace_dwarf_add): Declare.
323 * configure, config.h.in: Rebuild.
325 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
327 * btest.c (f23): Avoid uninitialized variable warning.
329 2012-10-04 Ian Lance Taylor <iant@google.com>
331 * dwarf.c: If the system header files do not declare strnlen,
332 provide our own version.
334 2012-10-03 Ian Lance Taylor <iant@google.com>
336 * dwarf.c (read_uleb128): Fix overflow test.
337 (read_sleb128): Likewise.
338 (build_address_map): Don't change unit_buf.start.
340 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
343 * configure.ac (EXTRA_FLAGS): New.
344 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
345 * configure, Makefile.in: Regenerate.
347 2012-09-29 Ian Lance Taylor <iant@google.com>
350 * fileline.c (fileline_initialize): Pass errnum as -1 when
351 reporting that we could not read executable information after a
354 2012-09-27 Ian Lance Taylor <iant@google.com>
357 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
358 * Makefile.am: Add dependencies for all objects.
359 * configure, aclocal.m4, Makefile.in: Rebuild.
361 2012-09-27 Ian Lance Taylor <iant@google.com>
364 * elf.c (backtrace_initialize): Set *fileln_fn, not
367 2012-09-19 Ian Lance Taylor <iant@google.com>
369 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
371 * configure: Rebuild.
373 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
374 Ian Lance Taylor <iant@google.com>
376 * configure.ac (GCC_HEADER_STDINT): Invoke.
377 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
378 * btest.c: Don't include <stdint.h>.
380 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
382 2012-09-18 Ian Lance Taylor <iant@google.com>
385 * Makefile.am (AM_CPPFLAGS): Define.
386 (AM_CFLAGS): Remove -I options.
387 * Makefile.in: Rebuild.
389 2012-09-18 Ian Lance Taylor <iant@google.com>
391 * posix.c (O_BINARY): Define if not defined.
392 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
393 HAVE_FCNTL is defined.
394 * configure.ac: Test for the fcntl function.
395 * configure, config.h.in: Rebuild.
397 2012-09-18 Ian Lance Taylor <iant@google.com>
399 * btest.c (test1, test2, test3, test4): Add the unused attribute.
401 2012-09-18 Ian Lance Taylor <iant@google.com>
403 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
405 2012-09-18 Ian Lance Taylor <iant@google.com>
407 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
408 * mmapio.c: Don't define _GNU_SOURCE.
409 * configure, config.h.in: Rebuild.
411 2012-09-18 Ian Lance Taylor <iant@google.com>
413 * configure.ac: Check whether strnlen is declared.
414 * dwarf.c: Declare strnlen if not declared.
415 * configure, config.h.in: Rebuild.
417 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
419 * fileline.c: Include <stdlib.h>.
422 2012-09-17 Ian Lance Taylor <iant@google.com>
425 * nounwind.c (backtrace_full): Rename from backtrace. Add state
428 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
431 * nounwind.c (backtrace_simple): Add state parameter.
433 2012-09-17 Ian Lance Taylor <iant@google.com>
436 * unknown.c (unknown_fileline): Add state parameter, remove
437 fileline_data parameter, name error_callback parameter.
438 (backtrace_initialize): Add state parameter.
440 2012-09-17 Ian Lance Taylor <iant@google.com>
442 * Initial implementation.