glibc/sysdeps/generic/elf/backtracesymsfd.c
Ulrich Drepper a42195dbe4 Update.
2000-03-23  Andreas Jaeger  <aj@suse.de>

	* elf/dl-addr.c: Adjust include paths for ldsodefs location
	change.
	* elf/dl-debug.c: Likewise.
	* elf/dl-deps.c: Likewise.
	* elf/dl-error.c: Likewise.
	* elf/dl-fini.c: Likewise.
	* elf/dl-init.c: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-minimal.c: Likewise.
	* elf/dl-object.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-preinit.c: Likewise.
	* elf/dl-profile.c: Likewise.
	* elf/dl-profstub.c: Likewise.
	* elf/dl-reloc.c: Likewise.
	* elf/dl-runtime.c: Likewise.
	* elf/dl-support.c: Likewise.
	* elf/dl-symbol.c: Likewise.
	* elf/dl-version.c: Likewise.
	* elf/rtld.c: Likewise.
	* elf/sprof.c: Likewise.
	* sysdeps/generic/dl-cache.c: Likewise.
	* sysdeps/generic/dl-origin.c: Likewise.
	* sysdeps/generic/dl-sysdep.c: Likewise.
	* sysdeps/generic/elf/backtracesyms.c: Likewise.
	* sysdeps/generic/elf/backtracesymsfd.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.
	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
	* sysdeps/powerpc/dl-machine.c: Likewise.
	* sysdeps/powerpc/elf/libc-start.c: Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
	* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
	* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.

	* elf/ldsodefs.h: Move file to ...
	* sysdeps/generic/ldsodefs.h: ... here.

	* sysdeps/generic/ldsodefs.h: Add definition for D_PTR.
	
	* sysdeps/mips/elf/ldsodefs.h: New file.

	* elf/dl-version.c (match_symbol): Use D_PTR to access relocated
	entries in l_info.
	(_dl_check_map_versions): Likewise.
	* elf/dl-reloc.c (_dl_relocate_object): Likewise.
	* elf/dl-load.c (_dl_init_paths): Likewise.
	(_dl_map_object): Likewise.
	* elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Likewise.
	(elf_get_dynamic_info): Likewise.
	* elf/do-lookup.h (FCT): Likewise.
	* elf/do-rel.h (elf_dynamic_do_rel): Likewise.
	* elf/dl-deps.c (_dl_map_object_deps): Likewise.
	* elf/dl-addr.c (_dl_addr): Likewise.
	* elf/dl-runtime.c (profile_fixup): Likewise.
	(fixup): Likewise.
	* elf/dl-init.c (_dl_init_next): Likewise.
	* sysdeps/generic/dl-machine.h (elf_machine_runtime_setup): Likewise.
	* sysdeps/unix/sysv/linux/i386/dl-librecon.h
	(DISTINGUISH_LIB_VERSIONS): Likewise.
	* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Likewise.
	(elf_machine_rel): Likewise.

	* elf/dynamic-link.h (elf_get_dynamic_info): Only change l_info
	for writable dynamic section.
2000-03-23 20:31:46 +00:00

110 lines
2.9 KiB
C

/* Write formatted list with names for addresses in backtrace to a file.
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <execinfo.h>
#include <string.h>
#include <sys/uio.h>
#include <stdio-common/_itoa.h>
#include <ldsodefs.h>
#if __ELF_NATIVE_CLASS == 32
# define WORD_WIDTH 8
#else
/* We assyme 64bits. */
# define WORD_WIDTH 16
#endif
void
__backtrace_symbols_fd (array, size, fd)
void *const *array;
int size;
int fd;
{
struct iovec iov[9];
int cnt;
for (cnt = 0; cnt < size; ++cnt)
{
char buf[WORD_WIDTH];
Dl_info info;
size_t last = 0;
if (_dl_addr (array[cnt], &info)
&& info.dli_fname && info.dli_fname[0] != '\0')
{
/* Name of the file. */
iov[0].iov_base = (void *) info.dli_fname;
iov[0].iov_len = strlen (info.dli_fname);
last = 1;
/* Symbol name. */
if (info.dli_sname != NULL)
{
char buf2[WORD_WIDTH];
size_t diff;
iov[1].iov_base = (void *) "(";
iov[1].iov_len = 1;
iov[2].iov_base = (void *) info.dli_sname;
iov[2].iov_len = strlen (info.dli_sname);
if (array[cnt] >= (void *) info.dli_saddr)
{
iov[3].iov_base = (void *) "+0x";
diff = array[cnt] - info.dli_saddr;
}
else
{
iov[3].iov_base = (void *) "-0x";
diff = info.dli_saddr - array[cnt];
}
iov[3].iov_len = 3;
iov[4].iov_base = _itoa_word ((unsigned long int) diff,
&buf2[WORD_WIDTH], 16, 0);
iov[4].iov_len = &buf2[WORD_WIDTH] - (char *) iov[4].iov_base;
iov[5].iov_base = (void *) ")";
iov[5].iov_len = 1;
last = 6;
}
}
iov[last].iov_base = (void *) "[0x";
iov[last].iov_len = 3;
++last;
iov[last].iov_base = _itoa_word ((unsigned long int) array[cnt],
&buf[WORD_WIDTH], 16, 0);
iov[last].iov_len = &buf[WORD_WIDTH] - (char *) iov[last].iov_base;
++last;
iov[last].iov_base = (void *) "]\n";
iov[last].iov_len = 2;
++last;
__writev (fd, iov, last);
}
}
weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd)