mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 00:31:08 +00:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Write formatted list with names for addresses in backtrace to a file.
|
|
Copyright (C) 1998, 2003, 2005 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; 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 <not-cancel.h>
|
|
|
|
#if __ELF_NATIVE_CLASS == 32
|
|
# define WORD_WIDTH 8
|
|
#else
|
|
/* We assume 64bits. */
|
|
# define WORD_WIDTH 16
|
|
#endif
|
|
|
|
|
|
void
|
|
__backtrace_symbols_fd (array, size, fd)
|
|
void *const *array;
|
|
int size;
|
|
int fd;
|
|
{
|
|
struct iovec iov[3];
|
|
int cnt;
|
|
|
|
for (cnt = 0; cnt < size; ++cnt)
|
|
{
|
|
char buf[WORD_WIDTH];
|
|
|
|
iov[0].iov_base = (void *) "[0x";
|
|
iov[0].iov_len = 3;
|
|
|
|
iov[1].iov_base = _itoa_word ((unsigned long int) array[cnt],
|
|
&buf[WORD_WIDTH], 16, 0);
|
|
iov[1].iov_len = &buf[WORD_WIDTH] - (char *) iov[1].iov_base;
|
|
|
|
iov[2].iov_base = (void *) "]\n";
|
|
iov[2].iov_len = 2;
|
|
|
|
/* We prefer to use the non-cancelable interface if it is available. */
|
|
writev_not_cancel_no_status (fd, iov, 3);
|
|
}
|
|
}
|
|
weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd)
|
|
libc_hidden_def (__backtrace_symbols_fd)
|