1 #define __SYSCALL_LL_E(x) \
2 ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
3 ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
4 #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
6 long (__syscall)(long, ...);
8 #define __asm_syscall(...) do { \
9 __asm__ __volatile__ ( "svc 0" \
10 : "=r"(r0) : __VA_ARGS__ : "memory"); \
14 static inline long __syscall0(long n)
16 register long r7 __asm__("r7") = n;
17 register long r0 __asm__("r0");
18 __asm_syscall("r"(r7));
21 static inline long __syscall1(long n, long a)
23 register long r7 __asm__("r7") = n;
24 register long r0 __asm__("r0") = a;
25 __asm_syscall("r"(r7), "0"(r0));
28 static inline long __syscall2(long n, long a, long b)
30 register long r7 __asm__("r7") = n;
31 register long r0 __asm__("r0") = a;
32 register long r1 __asm__("r1") = b;
33 __asm_syscall("r"(r7), "0"(r0), "r"(r1));
36 static inline long __syscall3(long n, long a, long b, long c)
38 register long r7 __asm__("r7") = n;
39 register long r0 __asm__("r0") = a;
40 register long r1 __asm__("r1") = b;
41 register long r2 __asm__("r2") = c;
42 __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2));
45 static inline long __syscall4(long n, long a, long b, long c, long d)
47 register long r7 __asm__("r7") = n;
48 register long r0 __asm__("r0") = a;
49 register long r1 __asm__("r1") = b;
50 register long r2 __asm__("r2") = c;
51 register long r3 __asm__("r3") = d;
52 __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3));
55 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
57 register long r7 __asm__("r7") = n;
58 register long r0 __asm__("r0") = a;
59 register long r1 __asm__("r1") = b;
60 register long r2 __asm__("r2") = c;
61 register long r3 __asm__("r3") = d;
62 register long r4 __asm__("r4") = e;
63 __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4));
66 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
68 register long r7 __asm__("r7") = n;
69 register long r0 __asm__("r0") = a;
70 register long r1 __asm__("r1") = b;
71 register long r2 __asm__("r2") = c;
72 register long r3 __asm__("r3") = d;
73 register long r4 __asm__("r4") = e;
74 register long r5 __asm__("r5") = f;
75 __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5));