summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/powerpc/bits/syscalls.h
blob: 93c0f3f48484393a1bc526b7865c34a2a742f1d7 (plain)
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
#include <asm/unistd.h>

#undef __NR
#define __NR(n)	#n

#undef __syscall_return
#define __syscall_return(type) \
	return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
	       (type) __sc_ret

#undef __syscall_clobbers
#define __syscall_clobbers \
	"r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"

#undef _syscall0
#define _syscall0(type,name)						\
type name(void)								\
{									\
	unsigned long __sc_ret, __sc_err;				\
	{								\
		register unsigned long __sc_0 __asm__ ("r0");		\
		register unsigned long __sc_3 __asm__ ("r3");		\
									\
		__sc_0 = __NR_##name;					\
		__asm__ __volatile__					\
			("sc           \n\t"				\
			 "mfcr %1      "				\
			: "=&r" (__sc_3), "=&r" (__sc_0)		\
			: "0"   (__sc_3), "1"   (__sc_0)		\
			: __syscall_clobbers);				\
		__sc_ret = __sc_3;					\
		__sc_err = __sc_0;					\
	}								\
	__syscall_return (type);					\
}

#undef _syscall1
#define _syscall1(type,name,type1,arg1)					\
type name(type1 arg1)							\
{									\
	unsigned long __sc_ret, __sc_err;				\
	{								\
		register unsigned long __sc_0 __asm__ ("r0");		\
		register unsigned long __sc_3 __asm__ ("r3");		\
									\
		__sc_3 = (unsigned long) (arg1);			\
		__sc_0 = __NR_##name;					\
		__asm__ __volatile__					\
			("sc           \n\t"				\
			 "mfcr %1      "				\
			: "=&r" (__sc_3), "=&r" (__sc_0)		\
			: "0"   (__sc_3), "1"   (__sc_0)		\
			: __syscall_clobbers);				\
		__sc_ret = __sc_3;					\
		__sc_err = __sc_0;					\
	}								\
	__syscall_return (type);					\
}

#undef _syscall2
#define _syscall2(type,name,type1,arg1,type2,arg2)			\
type name(type1 arg1, type2 arg2)					\
{									\
	unsigned long __sc_ret, __sc_err;				\
	{								\
		register unsigned long __sc_0 __asm__ ("r0");		\
		register unsigned long __sc_3 __asm__ ("r3");		\
		register unsigned long __sc_4 __asm__ ("r4");		\
									\
		__sc_3 = (unsigned long) (arg1);			\
		__sc_4 = (unsigned long) (arg2);			\
		__sc_0 = __NR_##name;					\
		__asm__ __volatile__					\
			("sc           \n\t"				\
			 "mfcr %1      "				\
			: "=&r" (__sc_3), "=&r" (__sc_0)		\
			: "0"   (__sc_3), "1"   (__sc_0),		\
			  "r"   (__sc_4)				\
			: __syscall_clobbers);				\
		__sc_ret = __sc_3;					\
		__sc_err = __sc_0;					\
	}								\
	__syscall_return (type);					\
}

#undef _syscall3
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
type name(type1 arg1, type2 arg2, type3 arg3)				\
{									\
	unsigned long __sc_ret, __sc_err;				\
	{								\
		register unsigned long __sc_0 __asm__ ("r0");		\
		register unsigned long __sc_3 __asm__ ("r3");		\
		register unsigned long __sc_4 __asm__ ("r4");		\
		register unsigned long __sc_5 __asm__ ("r5");		\
									\
		__sc_3 = (unsigned long) (arg1);			\
		__sc_4 = (unsigned long) (arg2);			\
		__sc_5 = (unsigned long) (arg3);			\
		__sc_0 = __NR_##name;					\
		__asm__ __volatile__					\
			("sc           \n\t"				\
			 "mfcr %1      "				\
			: "=&r" (__sc_3), "=&r" (__sc_0)		\
			: "0"   (__sc_3), "1"   (__sc_0),		\
			  "r"   (__sc_4),				\
			  "r"   (__sc_5)				\
			: __syscall_clobbers);				\
		__sc_ret = __sc_3;					\
		__sc_err = __sc_0;					\
	}								\
	__syscall_return (type);					\
}

#undef _syscall4
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)		\
{									\
	unsigned long __sc_ret, __sc_err;				\
	{								\
		register unsigned long __sc_0 __asm__ ("r0");		\
		register unsigned long __sc_3 __asm__ ("r3");		\
		register unsigned long __sc_4 __asm__ ("r4");		\
		register unsigned long __sc_5 __asm__ ("r5");		\
		register unsigned long __sc_6 __asm__ ("r6");		\
									\
		__sc_3 = (unsigned long) (arg1);			\
		__sc_4 = (unsigned long) (arg2);			\
		__sc_5 = (unsigned long) (arg3);			\
		__sc_6 = (unsigned long) (arg4);			\
		__sc_0 = __NR_##name;					\
		__asm__ __volatile__					\
			("sc           \n\t"				\
			 "mfcr %1      "				\
			: "=&r" (__sc_3), "=&r" (__sc_0)		\
			: "0"   (__sc_3), "1"   (__sc_0),		\
			  "r"   (__sc_4),				\
			  "r"   (__sc_5),				\
			  "r"   (__sc_6)				\
			: __syscall_clobbers);				\
		__sc_ret = __sc_3;					\
		__sc_err = __sc_0;					\
	}								\
	__syscall_return (type);					\
}

#undef _syscall5
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)	\
{									\
	unsigned long __sc_ret, __sc_err;				\
	{								\
		register unsigned long __sc_0 __asm__ ("r0");		\
		register unsigned long __sc_3 __asm__ ("r3");		\
		register unsigned long __sc_4 __asm__ ("r4");		\
		register unsigned long __sc_5 __asm__ ("r5");		\
		register unsigned long __sc_6 __asm__ ("r6");		\
		register unsigned long __sc_7 __asm__ ("r7");		\
									\
		__sc_3 = (unsigned long) (arg1);			\
		__sc_4 = (unsigned long) (arg2);			\
		__sc_5 = (unsigned long) (arg3);			\
		__sc_6 = (unsigned long) (arg4);			\
		__sc_7 = (unsigned long) (arg5);			\
		__sc_0 = __NR_##name;					\
		__asm__ __volatile__					\
			("sc           \n\t"				\
			 "mfcr %1      "				\
			: "=&r" (__sc_3), "=&r" (__sc_0)		\
			: "0"   (__sc_3), "1"   (__sc_0),		\
			  "r"   (__sc_4),				\
			  "r"   (__sc_5),				\
			  "r"   (__sc_6),				\
			  "r"   (__sc_7)				\
			: __syscall_clobbers);				\
		__sc_ret = __sc_3;					\
		__sc_err = __sc_0;					\
	}								\
	__syscall_return (type);					\
}