summaryrefslogtreecommitdiff
path: root/arch/x32/syscall_arch.h
blob: d05e7341b6261dd40c9778a10049f7b3abbb8a0b (plain) (blame)
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
#define __SYSCALL_LL_E(x) (x)
#define __SYSCALL_LL_O(x) (x)

#define __scc(X) sizeof(1?(X):0ULL) < 8 ? (unsigned long) (X) : (long long) (X)
typedef long long syscall_arg_t;
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)
#define __fixup_case_2 \
	case SYS_nanosleep: \
		__fixup(a1); break; \
	case SYS_clock_settime: \
		__fixup(a2); break;
#define __fixup_case_3 \
	case SYS_clock_nanosleep: case SYS_rt_sigtimedwait: case SYS_ppoll: \
		__fixup(a3); break; \
	case SYS_utimensat: \
		if(a3) { \
			ts[0].tv_sec = __tsc(a3)[0].tv_sec; \
			ts[0].tv_nsec = __tsc(a3)[0].tv_nsec; \
			ts[1].tv_sec = __tsc(a3)[1].tv_sec; \
			ts[1].tv_nsec = __tsc(a3)[1].tv_nsec; \
			a3 = (unsigned long)ts; \
		} break;
#define __fixup_case_4 \
	case SYS_futex: \
		if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) __fixup(a4); break;
#define __fixup_case_5 \
	case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6: \
		__fixup(a5); break;

static __inline long __syscall0(long long n)
{
	unsigned long ret;
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n) : "rcx", "r11", "memory");
	return ret;
}

static __inline long __syscall1(long long n, long long a1)
{
	unsigned long ret;
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1) : "rcx", "r11", "memory");
	return ret;
}

static __inline long __syscall2(long long n, long long a1, long long a2)
{
	unsigned long ret;
	struct __timespec_kernel ts[1];
	switch (n) {
		__fixup_case_2;
	}
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2)
					: "rcx", "r11", "memory");
	return ret;
}

static __inline long __syscall3(long long n, long long a1, long long a2, long long a3)
{
	unsigned long ret;
	struct __timespec_kernel ts[2];
	switch (n) {
		__fixup_case_2;
		__fixup_case_3;
	}
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
						  "d"(a3) : "rcx", "r11", "memory");
	return ret;
}

static __inline long __syscall4(long long n, long long a1, long long a2, long long a3,
                                     long long a4_)
{
	unsigned long ret;
	register long long a4 __asm__("r10") = a4_;
	struct __timespec_kernel ts[2];
	switch (n) {
		__fixup_case_2;
		__fixup_case_3;
		__fixup_case_4;
	}
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
					  "d"(a3), "r"(a4): "rcx", "r11", "memory");
	return ret;
}

static __inline long __syscall5(long long n, long long a1, long long a2, long long a3,
                                     long long a4_, long long a5_)
{
	unsigned long ret;
	register long long a4 __asm__("r10") = a4_;
	register long long a5 __asm__("r8") = a5_;
	struct __timespec_kernel ts[2];
	switch (n) {
		__fixup_case_2;
		__fixup_case_3;
		__fixup_case_4;
		__fixup_case_5;
	}
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
					  "d"(a3), "r"(a4), "r"(a5) : "rcx", "r11", "memory");
	return ret;
}

static __inline long __syscall6(long long n, long long a1, long long a2, long long a3,
                                     long long a4_, long long a5_, long long a6_)
{
	unsigned long ret;
	register long long a4 __asm__("r10") = a4_;
	register long long a5 __asm__("r8") = a5_;
	register long long a6 __asm__("r9") = a6_;
	struct __timespec_kernel ts[2];
	switch (n) {
		__fixup_case_2;
		__fixup_case_3;
		__fixup_case_4;
		__fixup_case_5;
	}
	__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
					  "d"(a3), "r"(a4), "r"(a5), "r"(a6) : "rcx", "r11", "memory");
	return ret;
}

#undef SYS_futimesat

#define SYS_clock_gettime64 SYS_clock_gettime
#define SYS_clock_settime64 SYS_clock_settime
#define SYS_clock_adjtime64 SYS_clock_adjtime
#define SYS_clock_nanosleep_time64 SYS_clock_nanosleep
#define SYS_timer_gettime64 SYS_timer_gettime
#define SYS_timer_settime64 SYS_timer_settime
#define SYS_timerfd_gettime64 SYS_timerfd_gettime
#define SYS_timerfd_settime64 SYS_timerfd_settime
#define SYS_utimensat_time64 SYS_utimensat
#define SYS_pselect6_time64 SYS_pselect6
#define SYS_ppoll_time64 SYS_ppoll
#define SYS_recvmmsg_time64 SYS_recvmmsg
#define SYS_mq_timedsend_time64 SYS_mq_timedsend
#define SYS_mq_timedreceive_time64 SYS_mq_timedreceive
#define SYS_semtimedop_time64 SYS_semtimedop
#define SYS_rt_sigtimedwait_time64 SYS_rt_sigtimedwait
#define SYS_futex_time64 SYS_futex
#define SYS_sched_rr_get_interval_time64 SYS_sched_rr_get_interval