[gcc.git] / libbacktrace / ChangeLog

2013-01-01  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54834
	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
	$(MULTIBUILDTOP)/../../gcc/include.
	* Makefile.in: Rebuild.

2013-01-01  Ian Lance Taylor  <iant@google.com>

	PR other/55536
	* mmap.c (backtrace_alloc): Don't call sync functions if not
	threaded.
	(backtrace_free): Likewise.

2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* mmapio.c: Define MAP_FAILED if not defined.

2012-12-11  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/54926
	* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
	* configure.ac: If --with-target-subdir, add -frandom-seed=$@
	to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
	accepts it.
	* Makefile.in: Regenerated.
	* configure: Regenerated.

2012-12-07  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/54926
	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
	* Makefile.in: Regenerated.

2012-11-20  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (read_attribute): Always clear val.

2012-11-13  Ian Lance Taylor  <iant@google.com>

	PR other/55312
	* configure.ac: Only add -Werror if building a target library.
	* configure: Rebuild.

2012-11-12  Ian Lance Taylor  <iant@google.com>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Gerald Pfeifer  <gerald@pfeifer.com>

	* configure.ac: Check for getexecname.
	* fileline.c: #include <errno.h>.  Define getexecname if not
	available.
	(fileline_initialize): Try to find the executable in a few
	different ways.
	* print.c (error_callback): Only print the filename if it came
	from the backtrace state.
	* configure, config.h.in: Rebuild.

2012-10-29  Ian Lance Taylor  <iant@google.com>

	* mmap.c (backtrace_vector_release): Correct last patch: add
	aligned, not size.

2012-10-29  Ian Lance Taylor  <iant@google.com>

	* mmap.c (backtrace_vector_release): Make sure freed block is
	aligned on 8-byte boundary.

2012-10-26  Ian Lance Taylor  <iant@google.com>

	PR other/55087
	* posix.c (backtrace_open): Add does_not_exist parameter.
	* elf.c (phdr_callback): Do not warn if shared library could not
	be opened.
	* fileline.c (fileline_initialize): Update calls to
	backtrace_open.
	* internal.h (backtrace_open): Update declaration.

2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/55061
	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	* configure: Regenerate.

2012-10-24  Ian Lance Taylor  <iant@google.com>

	PR target/55061
	* configure.ac: Check whether -funwind-tables option works.
	* configure: Rebuild.

2012-10-11  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
	* configure: Rebuild.

2012-10-10  Ian Lance Taylor  <iant@google.com>

	* elf.c: Rename all Elf typedefs to start with b_elf, and be all
	lower case.

2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>

	* elf.c (elf_add_syminfo_data): Add casts to avoid warning.

2012-10-09  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (dwarf_fileline): Add cast to avoid warning.
	(backtrace_dwarf_add): Likewise.

2012-10-09  Ian Lance Taylor  <iant@google.com>

	Add support for tracing through shared libraries.
	* configure.ac: Check for link.h and dl_iterate_phdr.
	* elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
	ELF macros before #defining them.
	(dl_phdr_info, dl_iterate_phdr): Define if system does not have
	dl_iterate_phdr.
	(struct elf_syminfo_data): Add next field.
	(elf_initialize_syminfo): Initialize next field.
	(elf_add_syminfo_data): New static function.
	(elf_add): New static function, broken out of
	backtrace_initialize.  Call backtrace_dwarf_add instead of
	backtrace_dwarf_initialize.
	(struct phdr_data): Define.
	(phdr_callback): New static function.
	(backtrace_initialize): Call elf_add.
	* dwarf.c (struct dwarf_data): Add next and base_address fields.
	(add_unit_addr): Add base_address parameter.  Change all callers.
	(add_unit_ranges, build_address_map): Likewise.
	(add_line): Add ddata parameter.  Change all callers.
	(read_line_program, add_function_range): Likewise.
	(dwarf_lookup_pc): New static function, broken out of
	dwarf_fileline.
	(dwarf_fileline): Call dwarf_lookup_pc.
	(build_dwarf_data): New static function.
	(backtrace_dwarf_add): New function.
	(backtrace_dwarf_initialize): Remove.
	* internal.h (backtrace_dwarf_initialize): Don't declare.
	(backtrace_dwarf_add): Declare.
	* configure, config.h.in: Rebuild.

2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>

	* btest.c (f23): Avoid uninitialized variable warning.

2012-10-04  Ian Lance Taylor  <iant@google.com>

	* dwarf.c: If the system header files do not declare strnlen,
	provide our own version.

2012-10-03  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (read_uleb128): Fix overflow test.
	(read_sleb128): Likewise.
	(build_address_map): Don't change unit_buf.start.

2012-10-02  Uros Bizjak  <ubizjak@gmail.com>

	PR other/54761
	* configure.ac (EXTRA_FLAGS): New.
	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
	* configure, Makefile.in: Regenerate.

2012-09-29  Ian Lance Taylor  <iant@google.com>

	PR other/54749
	* fileline.c (fileline_initialize): Pass errnum as -1 when
	reporting that we could not read executable information after a
	previous failure.

2012-09-27  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54732
	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
	* Makefile.am: Add dependencies for all objects.
	* configure, aclocal.m4, Makefile.in: Rebuild.

2012-09-27  Ian Lance Taylor  <iant@google.com>

	PR other/54726
	* elf.c (backtrace_initialize): Set *fileln_fn, not
	state->fileln_fn.

2012-09-19  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
	as a target library.
	* configure: Rebuild.

2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Ian Lance Taylor  <iant@google.com>

        * configure.ac (GCC_HEADER_STDINT): Invoke.
        * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
        * btest.c: Don't include <stdint.h>.
        * dwarf.c: Likewise.
        * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54623
	* Makefile.am (AM_CPPFLAGS): Define.
	(AM_CFLAGS): Remove -I options.
	* Makefile.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* posix.c (O_BINARY): Define if not defined.
	(backtrace_open): Pass O_BINARY to open.  Only call fcntl if
	HAVE_FCNTL is defined.
	* configure.ac: Test for the fcntl function.
	* configure, config.h.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* btest.c (test1, test2, test3, test4): Add the unused attribute.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* dwarf.c: Correct test of HAVE_DECL_STRNLEN.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
	* mmapio.c: Don't define _GNU_SOURCE.
	* configure, config.h.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Check whether strnlen is declared.
	* dwarf.c: Declare strnlen if not declared.
	* configure, config.h.in: Rebuild.

2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* fileline.c: Include <stdlib.h>.
	* mmap.c: Likewise.

2012-09-17  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54611
	* nounwind.c (backtrace_full): Rename from backtrace.  Add state
	parameter.

2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>

	PR bootstrap/54611
	* nounwind.c (backtrace_simple): Add state parameter.

2012-09-17  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54609
	* unknown.c (unknown_fileline): Add state parameter, remove
	fileline_data parameter, name error_callback parameter.
	(backtrace_initialize): Add state parameter.

2012-09-17  Ian Lance Taylor  <iant@google.com>

	* Initial implementation.
Commit	Line	Data
c3de1960 ILT	1	2013-01-01 Ian Lance Taylor <iant@google.com>
	2
	3	PR bootstrap/54834
	4	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
	5	$(MULTIBUILDTOP)/../../gcc/include.
	6	* Makefile.in: Rebuild.
	7
2a5195d9 ILT	8	2013-01-01 Ian Lance Taylor <iant@google.com>
	9
	10	PR other/55536
	11	* mmap.c (backtrace_alloc): Don't call sync functions if not
	12	threaded.
	13	(backtrace_free): Likewise.
	14
85619b6f JDA	15	2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
	16
	17	* mmapio.c: Define MAP_FAILED if not defined.
	18
36a58fb3 JJ	19	2012-12-11 Jakub Jelinek <jakub@redhat.com>
	20
	21	PR bootstrap/54926
	22	* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
	23	* configure.ac: If --with-target-subdir, add -frandom-seed=$@
	24	to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
	25	accepts it.
	26	* Makefile.in: Regenerated.
	27	* configure: Regenerated.
	28
a58dfde0 JJ	29	2012-12-07 Jakub Jelinek <jakub@redhat.com>
	30
	31	PR bootstrap/54926
	32	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
	33	* Makefile.in: Regenerated.
	34
b20ade36 ILT	35	2012-11-20 Ian Lance Taylor <iant@google.com>
	36
	37	* dwarf.c (read_attribute): Always clear val.
	38
73c3ed27 ILT	39	2012-11-13 Ian Lance Taylor <iant@google.com>
	40
	41	PR other/55312
	42	* configure.ac: Only add -Werror if building a target library.
2a5195d9	43	* configure: Rebuild.
73c3ed27	44
33521509 ILT	45	2012-11-12 Ian Lance Taylor <iant@google.com>
	46	Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	47	Gerald Pfeifer <gerald@pfeifer.com>
	48
	49	* configure.ac: Check for getexecname.
	50	* fileline.c: #include <errno.h>. Define getexecname if not
	51	available.
	52	(fileline_initialize): Try to find the executable in a few
	53	different ways.
	54	* print.c (error_callback): Only print the filename if it came
	55	from the backtrace state.
	56	* configure, config.h.in: Rebuild.
	57
8fe91dea ILT	58	2012-10-29 Ian Lance Taylor <iant@google.com>
	59
	60	* mmap.c (backtrace_vector_release): Correct last patch: add
	61	aligned, not size.
	62
8277de34 ILT	63	2012-10-29 Ian Lance Taylor <iant@google.com>
	64
	65	* mmap.c (backtrace_vector_release): Make sure freed block is
	66	aligned on 8-byte boundary.
	67
73f41491 ILT	68	2012-10-26 Ian Lance Taylor <iant@google.com>
	69
	70	PR other/55087
	71	* posix.c (backtrace_open): Add does_not_exist parameter.
	72	* elf.c (phdr_callback): Do not warn if shared library could not
	73	be opened.
	74	* fileline.c (fileline_initialize): Update calls to
	75	backtrace_open.
	76	* internal.h (backtrace_open): Update declaration.
	77
385710cf JH	78	2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
	79
	80	PR target/55061
	81	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	82	* configure: Regenerate.
	83
32061319 ILT	84	2012-10-24 Ian Lance Taylor <iant@google.com>
	85
	86	PR target/55061
	87	* configure.ac: Check whether -funwind-tables option works.
	88	* configure: Rebuild.
	89
5551b12c ILT	90	2012-10-11 Ian Lance Taylor <iant@google.com>
	91
	92	* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
	93	* configure: Rebuild.
	94
40d15b5b ILT	95	2012-10-10 Ian Lance Taylor <iant@google.com>
	96
	97	* elf.c: Rename all Elf typedefs to start with b_elf, and be all
	98	lower case.
	99
74f80620 HPN	100	2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
	101
	102	* elf.c (elf_add_syminfo_data): Add casts to avoid warning.
	103
ce8aa074 ILT	104	2012-10-09 Ian Lance Taylor <iant@google.com>
	105
	106	* dwarf.c (dwarf_fileline): Add cast to avoid warning.
	107	(backtrace_dwarf_add): Likewise.
	108
e561a992 ILT	109	2012-10-09 Ian Lance Taylor <iant@google.com>
	110
	111	Add support for tracing through shared libraries.
	112	* configure.ac: Check for link.h and dl_iterate_phdr.
	113	* elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
	114	ELF macros before #defining them.
	115	(dl_phdr_info, dl_iterate_phdr): Define if system does not have
	116	dl_iterate_phdr.
	117	(struct elf_syminfo_data): Add next field.
	118	(elf_initialize_syminfo): Initialize next field.
	119	(elf_add_syminfo_data): New static function.
	120	(elf_add): New static function, broken out of
	121	backtrace_initialize. Call backtrace_dwarf_add instead of
	122	backtrace_dwarf_initialize.
	123	(struct phdr_data): Define.
	124	(phdr_callback): New static function.
	125	(backtrace_initialize): Call elf_add.
	126	* dwarf.c (struct dwarf_data): Add next and base_address fields.
	127	(add_unit_addr): Add base_address parameter. Change all callers.
	128	(add_unit_ranges, build_address_map): Likewise.
	129	(add_line): Add ddata parameter. Change all callers.
	130	(read_line_program, add_function_range): Likewise.
	131	(dwarf_lookup_pc): New static function, broken out of
	132	dwarf_fileline.
	133	(dwarf_fileline): Call dwarf_lookup_pc.
	134	(build_dwarf_data): New static function.
	135	(backtrace_dwarf_add): New function.
	136	(backtrace_dwarf_initialize): Remove.
	137	* internal.h (backtrace_dwarf_initialize): Don't declare.
	138	(backtrace_dwarf_add): Declare.
	139	* configure, config.h.in: Rebuild.
	140
068ef6d1 GP	141	2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
	142
	143	* btest.c (f23): Avoid uninitialized variable warning.
e561a992	144
244e2d9c ILT	145	2012-10-04 Ian Lance Taylor <iant@google.com>
	146
	147	* dwarf.c: If the system header files do not declare strnlen,
	148	provide our own version.
	149
be4ba8ae ILT	150	2012-10-03 Ian Lance Taylor <iant@google.com>
	151
	152	* dwarf.c (read_uleb128): Fix overflow test.
	153	(read_sleb128): Likewise.
	154	(build_address_map): Don't change unit_buf.start.
	155
56195009 UB	156	2012-10-02 Uros Bizjak <ubizjak@gmail.com>
56195009 UB	157
faf86a02 UB	158	PR other/54761
faf86a02 UB	159	* configure.ac (EXTRA_FLAGS): New.
56195009	160	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
faf86a02	161	* configure, Makefile.in: Regenerate.
56195009	162
8a447b3d ILT	163	2012-09-29 Ian Lance Taylor <iant@google.com>
	164
	165	PR other/54749
	166	* fileline.c (fileline_initialize): Pass errnum as -1 when
	167	reporting that we could not read executable information after a
	168	previous failure.
	169
af710874 ILT	170	2012-09-27 Ian Lance Taylor <iant@google.com>
	171
	172	PR bootstrap/54732
	173	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
	174	* Makefile.am: Add dependencies for all objects.
	175	* configure, aclocal.m4, Makefile.in: Rebuild.
	176
588f4f8f ILT	177	2012-09-27 Ian Lance Taylor <iant@google.com>
	178
	179	PR other/54726
	180	* elf.c (backtrace_initialize): Set *fileln_fn, not
	181	state->fileln_fn.
	182
64b89453 ILT	183	2012-09-19 Ian Lance Taylor <iant@google.com>
	184
	185	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
	186	as a target library.
	187	* configure: Rebuild.
	188
76850556 RO	189	2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	190	Ian Lance Taylor <iant@google.com>
	191
	192	* configure.ac (GCC_HEADER_STDINT): Invoke.
	193	* backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
	194	* btest.c: Don't include <stdint.h>.
	195	* dwarf.c: Likewise.
	196	* configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
	197
9425c00b ILT	198	2012-09-18 Ian Lance Taylor <iant@google.com>
	199
	200	PR bootstrap/54623
	201	* Makefile.am (AM_CPPFLAGS): Define.
	202	(AM_CFLAGS): Remove -I options.
	203	* Makefile.in: Rebuild.
	204
3319ef17 ILT	205	2012-09-18 Ian Lance Taylor <iant@google.com>
	206
	207	* posix.c (O_BINARY): Define if not defined.
	208	(backtrace_open): Pass O_BINARY to open. Only call fcntl if
	209	HAVE_FCNTL is defined.
	210	* configure.ac: Test for the fcntl function.
	211	* configure, config.h.in: Rebuild.
	212
bd3e497d ILT	213	2012-09-18 Ian Lance Taylor <iant@google.com>
	214
	215	* btest.c (test1, test2, test3, test4): Add the unused attribute.
	216
30e15876 ILT	217	2012-09-18 Ian Lance Taylor <iant@google.com>
	218
	219	* dwarf.c: Correct test of HAVE_DECL_STRNLEN.
	220
d4c059d5 ILT	221	2012-09-18 Ian Lance Taylor <iant@google.com>
	222
	223	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
	224	* mmapio.c: Don't define _GNU_SOURCE.
	225	* configure, config.h.in: Rebuild.
	226
772a71a9 ILT	227	2012-09-18 Ian Lance Taylor <iant@google.com>
	228
	229	* configure.ac: Check whether strnlen is declared.
	230	* dwarf.c: Declare strnlen if not declared.
	231	* configure, config.h.in: Rebuild.
	232
c0558468 RO	233	2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	234
	235	* fileline.c: Include <stdlib.h>.
	236	* mmap.c: Likewise.
	237
c5812e0b ILT	238	2012-09-17 Ian Lance Taylor <iant@google.com>
	239
	240	PR bootstrap/54611
	241	* nounwind.c (backtrace_full): Rename from backtrace. Add state
	242	parameter.
	243
e8f4008a GP	244	2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
	245
	246	PR bootstrap/54611
	247	* nounwind.c (backtrace_simple): Add state parameter.
	248
f588eb27 ILT	249	2012-09-17 Ian Lance Taylor <iant@google.com>
	250
	251	PR bootstrap/54609
	252	* unknown.c (unknown_fileline): Add state parameter, remove
	253	fileline_data parameter, name error_callback parameter.
	254	(backtrace_initialize): Add state parameter.
	255
eff02e4f ILT	256	2012-09-17 Ian Lance Taylor <iant@google.com>
	257
	258	* Initial implementation.