1 2014-03-07 Ian Lance Taylor <iant@google.com>
3 * sort.c (backtrace_qsort): Use middle element as pivot.
5 2014-03-06 Ian Lance Taylor <iant@google.com>
9 * internal.h (backtrace_qsort): Declare.
10 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
11 (read_line_info, read_function_entry): Likewise.
12 (read_function_info, build_dwarf_data): Likewise.
13 * elf.c (elf_initialize_syminfo): Likewise.
14 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
15 (stest_SOURCES, stest_LDADD): Define.
16 (check_PROGRAMS): Add stest.
18 2014-02-07 Misty De Meo <misty@brew.sh>
21 * configure.ac: Use AC_LINK_IFELSE in check for
23 * configure: Regenerate.
25 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
27 Update copyright years
29 2013-12-06 Jakub Jelinek <jakub@redhat.com>
31 * elf.c (ET_DYN): Undefine and define again.
32 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
33 return early -1 without closing the descriptor.
34 (struct phdr_data): Add exe_descriptor.
35 (phdr_callback): If pd->exe_descriptor is not -1, for very first
36 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
37 otherwise backtrace_close the exe_descriptor if not -1. Adjust
39 (backtrace_initialize): Adjust call to elf_add. If it returns
40 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
42 2013-12-05 Ian Lance Taylor <iant@google.com>
44 * alloc.c (backtrace_vector_finish): Add error_callback and data
45 parameters. Call backtrace_vector_release. Return address base.
46 * mmap.c (backtrace_vector_finish): Add error_callback and data
47 parameters. Return address base.
48 * dwarf.c (read_function_info): Get new address base from
49 backtrace_vector_finish.
50 * internal.h (backtrace_vector_finish): Update declaration.
52 2013-11-27 Ian Lance Taylor <iant@google.com>
54 * dwarf.c (find_address_ranges): New static function, broken out
56 (build_address_map): Call it.
57 * btest.c (check): Check for missing filename or function, rather
59 (f3): Check that enough frames were returned.
61 2013-11-19 Jakub Jelinek <jakub@redhat.com>
63 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
64 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
66 * btest.c (struct symdata): Add size field.
67 (callback_three): Add symsize argument. Copy it to the data->size
69 (f23): Set symdata.size to 0.
70 (test5): Likewise. If sizeof (int) > 1, lookup address of
71 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
74 * atomic.c: Include sys/types.h.
76 2013-11-18 Ian Lance Taylor <iant@google.com>
78 * configure.ac: Check for support of __atomic extensions.
79 * internal.h: Declare or #define atomic functions for use in
82 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
83 (dwarf_fileline, backtrace_dwarf_add): Likewise.
84 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
85 (backtrace_initialize): Likewise.
86 * fileline.c (fileline_initialize): Likewise.
87 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
88 * configure, config.h.in, Makefile.in: Rebuild.
90 2013-11-18 Jakub Jelinek <jakub@redhat.com>
92 * elf.c (SHN_UNDEF): Define.
93 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
94 with st_shndx == SHN_UNDEF. Add base_address to address fields.
95 (elf_add): Adjust caller.
97 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
99 2013-11-16 Ian Lance Taylor <iant@google.com>
101 * backtrace.h (backtrace_create_state): Correct comment about
104 2013-11-15 Ian Lance Taylor <iant@google.com>
106 * backtrace.h (backtrace_syminfo): Update comment and parameter
107 name to take any address, not just a PC value.
108 * elf.c (STT_OBJECT): Define.
109 (elf_nosyms): Rename parameter pc to addr.
110 (elf_symbol_search): Rename local variable pc to addr.
111 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
112 (elf_syminfo): Rename parameter pc to addr.
113 * btest.c (global): New global variable.
117 2013-10-17 Ian Lance Taylor <iant@google.com>
119 * elf.c (elf_add): Don't get the wrong offsets if a debug section
122 2013-10-15 David Malcolm <dmalcolm@redhat.com>
124 * configure.ac: Add --enable-host-shared, setting up
125 pre-existing PIC_FLAG variable within Makefile.am et al.
126 * configure: Regenerate.
128 2013-09-20 Alan Modra <amodra@gmail.com>
130 * configure: Regenerate.
132 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
134 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
136 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
138 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
139 dl_iterate_phdr callbacks.
141 2013-03-25 Ian Lance Taylor <iant@google.com>
143 * alloc.c: #include <sys/types.h>.
146 2013-01-31 Ian Lance Taylor <iant@google.com>
148 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
149 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
151 2013-01-25 Jakub Jelinek <jakub@redhat.com>
154 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
155 attribute was not seen.
157 2013-01-16 Ian Lance Taylor <iant@google.com>
159 * dwarf.c (struct unit): Add filename and abs_filename fields.
160 (build_address_map): Set new fields when reading unit.
161 (dwarf_lookup_pc): If we don't find an entry in the line table,
162 just return the main file name.
164 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
166 Update copyright years.
168 2013-01-01 Ian Lance Taylor <iant@google.com>
171 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
172 $(MULTIBUILDTOP)/../../gcc/include.
173 * Makefile.in: Rebuild.
175 2013-01-01 Ian Lance Taylor <iant@google.com>
178 * mmap.c (backtrace_alloc): Don't call sync functions if not
180 (backtrace_free): Likewise.
182 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
184 * mmapio.c: Define MAP_FAILED if not defined.
186 2012-12-11 Jakub Jelinek <jakub@redhat.com>
189 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
190 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
191 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
193 * Makefile.in: Regenerated.
194 * configure: Regenerated.
196 2012-12-07 Jakub Jelinek <jakub@redhat.com>
199 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
200 * Makefile.in: Regenerated.
202 2012-11-20 Ian Lance Taylor <iant@google.com>
204 * dwarf.c (read_attribute): Always clear val.
206 2012-11-13 Ian Lance Taylor <iant@google.com>
209 * configure.ac: Only add -Werror if building a target library.
210 * configure: Rebuild.
212 2012-11-12 Ian Lance Taylor <iant@google.com>
213 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
214 Gerald Pfeifer <gerald@pfeifer.com>
216 * configure.ac: Check for getexecname.
217 * fileline.c: #include <errno.h>. Define getexecname if not
219 (fileline_initialize): Try to find the executable in a few
221 * print.c (error_callback): Only print the filename if it came
222 from the backtrace state.
223 * configure, config.h.in: Rebuild.
225 2012-10-29 Ian Lance Taylor <iant@google.com>
227 * mmap.c (backtrace_vector_release): Correct last patch: add
230 2012-10-29 Ian Lance Taylor <iant@google.com>
232 * mmap.c (backtrace_vector_release): Make sure freed block is
233 aligned on 8-byte boundary.
235 2012-10-26 Ian Lance Taylor <iant@google.com>
238 * posix.c (backtrace_open): Add does_not_exist parameter.
239 * elf.c (phdr_callback): Do not warn if shared library could not
241 * fileline.c (fileline_initialize): Update calls to
243 * internal.h (backtrace_open): Update declaration.
245 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
248 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
249 * configure: Regenerate.
251 2012-10-24 Ian Lance Taylor <iant@google.com>
254 * configure.ac: Check whether -funwind-tables option works.
255 * configure: Rebuild.
257 2012-10-11 Ian Lance Taylor <iant@google.com>
259 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
260 * configure: Rebuild.
262 2012-10-10 Ian Lance Taylor <iant@google.com>
264 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
267 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
269 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
271 2012-10-09 Ian Lance Taylor <iant@google.com>
273 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
274 (backtrace_dwarf_add): Likewise.
276 2012-10-09 Ian Lance Taylor <iant@google.com>
278 Add support for tracing through shared libraries.
279 * configure.ac: Check for link.h and dl_iterate_phdr.
280 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
281 ELF macros before #defining them.
282 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
284 (struct elf_syminfo_data): Add next field.
285 (elf_initialize_syminfo): Initialize next field.
286 (elf_add_syminfo_data): New static function.
287 (elf_add): New static function, broken out of
288 backtrace_initialize. Call backtrace_dwarf_add instead of
289 backtrace_dwarf_initialize.
290 (struct phdr_data): Define.
291 (phdr_callback): New static function.
292 (backtrace_initialize): Call elf_add.
293 * dwarf.c (struct dwarf_data): Add next and base_address fields.
294 (add_unit_addr): Add base_address parameter. Change all callers.
295 (add_unit_ranges, build_address_map): Likewise.
296 (add_line): Add ddata parameter. Change all callers.
297 (read_line_program, add_function_range): Likewise.
298 (dwarf_lookup_pc): New static function, broken out of
300 (dwarf_fileline): Call dwarf_lookup_pc.
301 (build_dwarf_data): New static function.
302 (backtrace_dwarf_add): New function.
303 (backtrace_dwarf_initialize): Remove.
304 * internal.h (backtrace_dwarf_initialize): Don't declare.
305 (backtrace_dwarf_add): Declare.
306 * configure, config.h.in: Rebuild.
308 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
310 * btest.c (f23): Avoid uninitialized variable warning.
312 2012-10-04 Ian Lance Taylor <iant@google.com>
314 * dwarf.c: If the system header files do not declare strnlen,
315 provide our own version.
317 2012-10-03 Ian Lance Taylor <iant@google.com>
319 * dwarf.c (read_uleb128): Fix overflow test.
320 (read_sleb128): Likewise.
321 (build_address_map): Don't change unit_buf.start.
323 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
326 * configure.ac (EXTRA_FLAGS): New.
327 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
328 * configure, Makefile.in: Regenerate.
330 2012-09-29 Ian Lance Taylor <iant@google.com>
333 * fileline.c (fileline_initialize): Pass errnum as -1 when
334 reporting that we could not read executable information after a
337 2012-09-27 Ian Lance Taylor <iant@google.com>
340 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
341 * Makefile.am: Add dependencies for all objects.
342 * configure, aclocal.m4, Makefile.in: Rebuild.
344 2012-09-27 Ian Lance Taylor <iant@google.com>
347 * elf.c (backtrace_initialize): Set *fileln_fn, not
350 2012-09-19 Ian Lance Taylor <iant@google.com>
352 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
354 * configure: Rebuild.
356 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
357 Ian Lance Taylor <iant@google.com>
359 * configure.ac (GCC_HEADER_STDINT): Invoke.
360 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
361 * btest.c: Don't include <stdint.h>.
363 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
365 2012-09-18 Ian Lance Taylor <iant@google.com>
368 * Makefile.am (AM_CPPFLAGS): Define.
369 (AM_CFLAGS): Remove -I options.
370 * Makefile.in: Rebuild.
372 2012-09-18 Ian Lance Taylor <iant@google.com>
374 * posix.c (O_BINARY): Define if not defined.
375 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
376 HAVE_FCNTL is defined.
377 * configure.ac: Test for the fcntl function.
378 * configure, config.h.in: Rebuild.
380 2012-09-18 Ian Lance Taylor <iant@google.com>
382 * btest.c (test1, test2, test3, test4): Add the unused attribute.
384 2012-09-18 Ian Lance Taylor <iant@google.com>
386 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
388 2012-09-18 Ian Lance Taylor <iant@google.com>
390 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
391 * mmapio.c: Don't define _GNU_SOURCE.
392 * configure, config.h.in: Rebuild.
394 2012-09-18 Ian Lance Taylor <iant@google.com>
396 * configure.ac: Check whether strnlen is declared.
397 * dwarf.c: Declare strnlen if not declared.
398 * configure, config.h.in: Rebuild.
400 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
402 * fileline.c: Include <stdlib.h>.
405 2012-09-17 Ian Lance Taylor <iant@google.com>
408 * nounwind.c (backtrace_full): Rename from backtrace. Add state
411 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
414 * nounwind.c (backtrace_simple): Add state parameter.
416 2012-09-17 Ian Lance Taylor <iant@google.com>
419 * unknown.c (unknown_fileline): Add state parameter, remove
420 fileline_data parameter, name error_callback parameter.
421 (backtrace_initialize): Add state parameter.
423 2012-09-17 Ian Lance Taylor <iant@google.com>
425 * Initial implementation.