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
|
/* vi: set sw=4 ts=4: */
/*
* prctl() for uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#include <stdarg.h>
/* psm: including sys/prctl.h would depend on kernel headers */
#ifdef __NR_prctl
extern int prctl (int __option, ...);
int prctl (int __option, ...)
{
register long no __asm__("B0");
register long a __asm__("A4");
register long b __asm__("B4");
register long c __asm__("A6");
register long d __asm__("B6");
register long e __asm__("A8");
int __res;
va_list ap;
va_start( ap, __option);
a = __option;
b = va_arg( ap, long);
c = va_arg( ap, long);
d = va_arg( ap, long);
e = va_arg( ap, long);
va_end( ap );
no = __NR_prctl;
__asm__ __volatile__ ("SWE" : "=a" (a) : "a" (a), "b" (b), "a" (c), "b" (d), "a" (e), "b" (no)
: "memory", "cc");
__res = a;
__SYSCALL_RETURN (int);
}
#endif
|