1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* 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)
|
GitWeb
