Commit Graph

59 Commits

Author SHA1 Message Date
Jakub Jelinek
0284b52ec9 elf.c (ET_DYN): Undefine and define again.
* elf.c (ET_DYN): Undefine and define again.
	(elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
	return early -1 without closing the descriptor.
	(struct phdr_data): Add exe_descriptor.
	(phdr_callback): If pd->exe_descriptor is not -1, for very first
	call if dlpi_name is NULL just call elf_add with the exe_descriptor,
	otherwise backtrace_close the exe_descriptor if not -1.  Adjust
	call to elf_add.
	(backtrace_initialize): Adjust call to elf_add.  If it returns
	-1, set pd.exe_descriptor to descriptor, otherwise set it to -1.

From-SVN: r205748
2013-12-06 15:48:17 +01:00
Ian Lance Taylor
bfd74f227d alloc.c (backtrace_vector_finish): Add error_callback and data parameters.
* alloc.c (backtrace_vector_finish): Add error_callback and data
	parameters.  Call backtrace_vector_release.  Return address base.
	* mmap.c (backtrace_vector_finish): Add error_callback and data
	parameters.  Return address base.
	* dwarf.c (read_function_info): Get new address base from
	backtrace_vector_finish.
	* internal.h (backtrace_vector_finish): Update declaration.

From-SVN: r205716
2013-12-05 18:32:02 +00:00
Ian Lance Taylor
b8ddd61b74 dwarf.c (find_address_ranges): New static function, broken out of build_address_map.
* dwarf.c (find_address_ranges): New static function, broken out
	of build_address_map.
	(build_address_map): Call it.
	* btest.c (check): Check for missing filename or function, rather
	than crashing.
	(f3): Check that enough frames were returned.

From-SVN: r205490
2013-11-28 16:19:57 +00:00
Jakub Jelinek
1f96a712d1 backtrace.h (backtrace_syminfo_callback): Add symsize argument.
* backtrace.h (backtrace_syminfo_callback): Add symsize argument.
	* elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
	last argument.
	* btest.c (struct symdata): Add size field.
	(callback_three): Add symsize argument.  Copy it to the data->size
	field.
	(f23): Set symdata.size to 0.
	(test5): Likewise.  If sizeof (int) > 1, lookup address of
	((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
	values.

From-SVN: r205028
2013-11-19 15:46:03 +01:00
Jakub Jelinek
64856e1e0b * atomic.c: Include sys/types.h.
From-SVN: r205008
2013-11-19 08:43:09 +01:00
Ian Lance Taylor
49579c7e20 configure.ac: Check for support of __atomic extensions.
* configure.ac: Check for support of __atomic extensions.
	* internal.h: Declare or #define atomic functions for use in
	backtrace code.
	* atomic.c: New file.
	* dwarf.c (dwarf_lookup_pc): Use atomic functions.
	(dwarf_fileline, backtrace_dwarf_add): Likewise.
	* elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
	(backtrace_initialize): Likewise.
	* fileline.c (fileline_initialize): Likewise.
	* Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
	* configure, config.h.in, Makefile.in: Rebuild.

From-SVN: r204994
2013-11-19 01:09:47 +00:00
Jakub Jelinek
f18578157d elf.c (SHN_UNDEF): Define.
* elf.c (SHN_UNDEF): Define.
	(elf_initialize_syminfo): Add base_address argument.  Ignore symbols
	with st_shndx == SHN_UNDEF.  Add base_address to address fields.
	(elf_add): Adjust caller.

From-SVN: r204975
2013-11-18 18:15:07 +01:00
Jakub Jelinek
582f5a2df8 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
From-SVN: r204971
2013-11-18 17:30:44 +01:00
Ian Lance Taylor
25e6253e21 backtrace.h (backtrace_create_state): Correct comment about threading.
* backtrace.h (backtrace_create_state): Correct comment about
	threading.

From-SVN: r204905
2013-11-16 18:27:17 +00:00
Ian Lance Taylor
cfa658e4f8 backtrace.h (backtrace_syminfo): Update comment and parameter name to take any address, not just a PC value.
* backtrace.h (backtrace_syminfo): Update comment and parameter
	name to take any address, not just a PC value.
	* elf.c (STT_OBJECT): Define.
	(elf_nosyms): Rename parameter pc to addr.
	(elf_symbol_search): Rename local variable pc to addr.
	(elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
	(elf_syminfo): Rename parameter pc to addr.
	* btest.c (global): New global variable.
	(test5): New test.
	(main): Call test5.

From-SVN: r204904
2013-11-16 18:20:33 +00:00
Ian Lance Taylor
6c084a5b37 elf.c (elf_add): Don't get the wrong offsets if a debug section is missing.
* elf.c (elf_add): Don't get the wrong offsets if a debug section
	is missing.

From-SVN: r203810
2013-10-18 04:24:48 +00:00
David Malcolm
459260ecf8 Add --enable-host-shared configuration option
/
	* configure.ac: Add --enable-host-shared
	* configure: Regenerate.

gcc/
	* Makefile.in (PICFLAG): New.
	(enable_host_shared): New.
	(INTERNAL_CFLAGS): Use PICFLAG.
	(LIBIBERTY): Use pic build of libiberty.a if configured with
	--enable-host-shared.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.
	* doc/install.texi (--enable-shared): Add note contrasting it
	with...
	(--enable-host-shared): New option.

libbacktrace/
	* configure.ac: Add --enable-host-shared, setting up
	pre-existing PIC_FLAG variable within Makefile.am et al.
	* configure: Regenerate.

libcpp/
	* Makefile.in (PICFLAG): New.
	(ALL_CFLAGS): Add PICFLAG.
	(ALL_CXXFLAGS): Likewise.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.

libdecnumber/
	* Makefile.in (PICFLAG): New.
	(ALL_CFLAGS): Add PICFLAG.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.

libiberty/
	* configure.ac: If --enable-host-shared, use -fPIC.
	* configure: Regenerate.

zlib/
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* Makefile.am: Add PICFLAG to libz_a_CFLAGS.
	* Makefile.in: Regenerate.
	* configure: Regenerate.

From-SVN: r203632
2013-10-15 20:33:55 +00:00
Alan Modra
3cbe17f7de libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical ppc host match.
* libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical
	ppc host match.  Support little-endian powerpc linux hosts.
Regenerate configure throughout.

From-SVN: r202773
2013-09-20 19:17:52 +09:30
Alexander Monakov
78625ce608 elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
* elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.

From-SVN: r201159
2013-07-23 13:17:10 +04:00
Alexander Monakov
0153887c3d elf.c (backtrace_initialize): Pass elf_fileline_fn to dl_iterate_phdr callbacks.
* elf.c (backtrace_initialize): Pass elf_fileline_fn to
	dl_iterate_phdr callbacks.

From-SVN: r201158
2013-07-23 13:12:00 +04:00
Ian Lance Taylor
85d8c21edb alloc.c: #include <sys/types.h>.
* alloc.c: #include <sys/types.h>.
	* mmap.c: Likewise.

From-SVN: r197057
2013-03-25 18:13:18 +00:00
Ian Lance Taylor
38811401ad dwarf.c (read_function_info): Permit fvec parameter to be NULL.
* dwarf.c (read_function_info): Permit fvec parameter to be NULL.
	(dwarf_lookup_pc): Don't use ddata->fvec if threaded.

From-SVN: r195620
2013-01-31 17:50:47 +00:00
Jakub Jelinek
1e678aed6c re PR other/56076 (Several 64-bit libgo tests FAIL in read_line_header)
PR other/56076
	* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
	attribute was not seen.

From-SVN: r195478
2013-01-25 22:36:11 +00:00
Ian Lance Taylor
6b514c5361 dwarf.c (struct unit): Add filename and abs_filename fields.
* dwarf.c (struct unit): Add filename and abs_filename fields.
	(build_address_map): Set new fields when reading unit.
	(dwarf_lookup_pc): If we don't find an entry in the line table,
	just return the main file name.

From-SVN: r195257
2013-01-17 01:20:28 +00:00
Richard Sandiford
f8a7e1a44d Update copyright years in libbacktrace.
From-SVN: r195165
2013-01-14 18:17:30 +00:00
Ian Lance Taylor
c3de196091 re PR bootstrap/54834 (bootstrap fails when building libbacktrace)
PR bootstrap/54834
	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
	$(MULTIBUILDTOP)/../../gcc/include.
	* Makefile.in: Rebuild.

From-SVN: r194770
2013-01-01 16:23:03 +00:00
Ian Lance Taylor
2a5195d965 re PR other/55536 (libbacktrace abort in backtrace_alloc at mmap.c:99 running btest)
PR other/55536
	* mmap.c (backtrace_alloc): Don't call sync functions if not
	threaded.
	(backtrace_free): Likewise.

From-SVN: r194768
2013-01-01 16:13:20 +00:00
John David Anglin
85619b6fc1 mmapio.c: Define MAP_FAILED if not defined.
* mmapio.c: Define MAP_FAILED if not defined.

From-SVN: r194443
2012-12-12 13:06:53 +00:00
Jakub Jelinek
36a58fb342 re PR bootstrap/54926 (Bootstrap comparison failure for various files in libbacktrace)
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.

From-SVN: r194412
2012-12-11 19:45:45 +01:00
Jakub Jelinek
a58dfde08d re PR bootstrap/54926 (Bootstrap comparison failure for various files in libbacktrace)
PR bootstrap/54926
	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
	* Makefile.in: Regenerated.

From-SVN: r194303
2012-12-07 15:14:25 +01:00
Ian Lance Taylor
b20ade36e4 * dwarf.c (read_attribute): Always clear val.
From-SVN: r193670
2012-11-20 17:28:05 +00:00
Ian Lance Taylor
73c3ed27fc re PR other/55312 (libbacktrace doesn't honor --disable-werror)
PR other/55312
	* configure.ac: Only add -Werror if building a target library.

From-SVN: r193485
2012-11-13 21:25:39 +00:00
Ian Lance Taylor
33521509a8 configure.ac: Check for getexecname.
* 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.

Co-Authored-By: Gerald Pfeifer <gerald@pfeifer.com>
Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

From-SVN: r193454
2012-11-12 21:24:19 +00:00
Ian Lance Taylor
8fe91dea4f mmap.c (backtrace_vector_release): Correct last patch: add aligned, not size.
* mmap.c (backtrace_vector_release): Correct last patch: add
	aligned, not size.

From-SVN: r192956
2012-10-29 18:42:05 +00:00
Ian Lance Taylor
8277de3441 mmap.c (backtrace_vector_release): Make sure freed block is aligned on 8-byte boundary.
* mmap.c (backtrace_vector_release): Make sure freed block is
	aligned on 8-byte boundary.

From-SVN: r192945
2012-10-29 15:43:37 +00:00
Ian Lance Taylor
73f4149137 re PR other/55087 (bogus "linux-vdso.so.1: No such file or directory" caused by libbacktrace)
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.

From-SVN: r192861
2012-10-26 20:08:29 +00:00
Jack Howarth
385710cf27 re PR target/55061 (libbacktrace build fails during bootstrap on powerpc-apple-darwin9)
PR target/55061
	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	* configure: Regenerate.

From-SVN: r192853
2012-10-26 17:34:59 +00:00
Ian Lance Taylor
32061319f7 re PR target/55061 (libbacktrace build fails during bootstrap on powerpc-apple-darwin9)
PR target/55061
	* configure.ac: Check whether -funwind-tables option works.
	* configure: Rebuild.

From-SVN: r192782
2012-10-24 21:09:55 +00:00
Ian Lance Taylor
5551b12c31 configure.ac: Do not use dl_iterate_phdr on Solaris 10.
* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
	* configure: Rebuild.

From-SVN: r192371
2012-10-11 16:43:47 +00:00
Ian Lance Taylor
40d15b5bdc elf.c: Rename all Elf typedefs to start with b_elf, and be all lower case.
* elf.c: Rename all Elf typedefs to start with b_elf, and be all
	lower case.

From-SVN: r192331
2012-10-10 19:59:00 +00:00
Hans-Peter Nilsson
74f8062044 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
From-SVN: r192311
2012-10-10 12:55:52 +00:00
Ian Lance Taylor
ce8aa07436 dwarf.c (dwarf_fileline): Add cast to avoid warning.
* dwarf.c (dwarf_fileline): Add cast to avoid warning.
	(backtrace_dwarf_add): Likewise.

From-SVN: r192288
2012-10-10 04:37:06 +00:00
Ian Lance Taylor
e561a9920c 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.

From-SVN: r192267
2012-10-09 18:20:45 +00:00
Gerald Pfeifer
068ef6d10d * btest.c (f23): Avoid uninitialized variable warning.
From-SVN: r192102
2012-10-04 20:16:08 +00:00
Ian Lance Taylor
244e2d9cd3 dwarf.c: If the system header files do not declare strnlen, provide our own version.
* dwarf.c: If the system header files do not declare strnlen,
	provide our own version.

From-SVN: r192082
2012-10-04 15:16:09 +00:00
Ian Lance Taylor
be4ba8aef3 dwarf.c (read_uleb128): Fix overflow test.
* dwarf.c (read_uleb128): Fix overflow test.
	(read_sleb128): Likewise.
	(build_address_map): Don't change unit_buf.start.

From-SVN: r192053
2012-10-03 22:07:12 +00:00
Uros Bizjak
faf86a02f3 ChangeLog: Fix whitespace.
* gcc/ChangeLog: Fix whitespace.
	* libbacktrace/ChangeLog: Ditto.

From-SVN: r191982
2012-10-02 15:28:40 +02:00
Uros Bizjak
5619500911 re PR other/54761 (FAIL log)
PR other/54761
        * configure.ac (EXTRA_FLAGS): New.
	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
        * configure, Makefile.in: Regenerate.

From-SVN: r191981
2012-10-02 15:14:25 +02:00
Ian Lance Taylor
8a447b3d4d re PR other/54749 (libbacktrace)
PR other/54749
	* fileline.c (fileline_initialize): Pass errnum as -1 when
	reporting that we could not read executable information after a
	previous failure.

From-SVN: r191855
2012-09-29 17:50:54 +00:00
Ian Lance Taylor
af710874e9 re PR bootstrap/54732 (Installation failure: libbacktrace rebuilds upon install when built with "make bootstrap-lean")
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.

From-SVN: r191819
2012-09-28 06:13:00 +00:00
Ian Lance Taylor
588f4f8fc1 re PR other/54726 (libbacktrace segfaults on gcc_asserts with stripped gcc)
PR other/54726
	* elf.c (backtrace_initialize): Set *fileln_fn, not
	state->fileln_fn.

From-SVN: r191811
2012-09-27 19:20:49 +00:00
Ian Lance Taylor
64b89453bc configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled as a target library.
* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
	as a target library.
	* configure: Rebuild.

From-SVN: r191503
2012-09-19 22:57:53 +00:00
Rainer Orth
768505569c configure.ac (GCC_HEADER_STDINT): Invoke.
* 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.

Co-Authored-By: Ian Lance Taylor <iant@google.com>

From-SVN: r191474
2012-09-19 13:41:33 +00:00
Ian Lance Taylor
9425c00b8e re PR bootstrap/54623 (install fails with libbacktrace/backtrace.c:35:20: error: unwind.h: No such file or directory)
PR bootstrap/54623
	* Makefile.am (AM_CPPFLAGS): Define.
	(AM_CFLAGS): Remove -I options.
	* Makefile.in: Rebuild.

From-SVN: r191459
2012-09-19 04:37:40 +00:00
Ian Lance Taylor
3319ef17d2 posix.c (O_BINARY): Define if not defined.
* 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.

From-SVN: r191443
2012-09-18 18:06:28 +00:00