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
|
#include <sys/syscall.h>
#include <features.h>
hidden long __syscall_cp_internal(volatile void*, long long, long long,
long long, long long, long long,
long long, long long);
struct __timespec { long long tv_sec; long tv_nsec; };
struct __timespec_kernel { long long tv_sec; long long tv_nsec; };
#define __tsc(X) ((struct __timespec*)(unsigned long)(X))
#define __fixup(X) do { if(X) { \
ts->tv_sec = __tsc(X)->tv_sec; \
ts->tv_nsec = __tsc(X)->tv_nsec; \
(X) = (unsigned long)ts; } } while(0)
hidden long __syscall_cp_asm (volatile void * foo, long long n, long long a1,
long long a2, long long a3, long long a4,
long long a5, long long a6)
{
struct __timespec_kernel ts[1];
switch (n) {
case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6:
__fixup(a5);
break;
case SYS_futex:
if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */)
__fixup(a4);
break;
case SYS_clock_nanosleep:
case SYS_rt_sigtimedwait: case SYS_ppoll:
__fixup(a3);
break;
case SYS_nanosleep:
__fixup(a1);
break;
}
return __syscall_cp_internal(foo, n, a1, a2, a3, a4, a5, a6);
}
|
