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, ...);
10 #define __asm_syscall(...) do { \
11 __asm__ __volatile__ ( "svc 0" \
12 : "=r"(r0) : __VA_ARGS__ : "memory"); \
16 static inline long __syscall0(long n)
18 register long r7 __asm__("r7") = n;
19 register long r0 __asm__("r0");
20 __asm_syscall("r"(r7));
23 static inline long __syscall1(long n, long a)
25 register long r7 __asm__("r7") = n;
26 register long r0 __asm__("r0") = a;
27 __asm_syscall("r"(r7), "0"(r0));
30 static inline long __syscall2(long n, long a, long b)
32 register long r7 __asm__("r7") = n;
33 register long r0 __asm__("r0") = a;
34 register long r1 __asm__("r1") = b;
35 __asm_syscall("r"(r7), "0"(r0), "r"(r1));
38 static inline long __syscall3(long n, long a, long b, long c)
40 register long r7 __asm__("r7") = n;
41 register long r0 __asm__("r0") = a;
42 register long r1 __asm__("r1") = b;
43 register long r2 __asm__("r2") = c;
44 __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2));
47 static inline long __syscall4(long n, long a, long b, long c, long d)
49 register long r7 __asm__("r7") = n;
50 register long r0 __asm__("r0") = a;
51 register long r1 __asm__("r1") = b;
52 register long r2 __asm__("r2") = c;
53 register long r3 __asm__("r3") = d;
54 __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3));
59 static inline long __syscall0(long n)
61 return (__syscall)(n);
64 static inline long __syscall1(long n, long a)
66 return (__syscall)(n, a);
69 static inline long __syscall2(long n, long a, long b)
71 return (__syscall)(n, a, b);
74 static inline long __syscall3(long n, long a, long b, long c)
76 return (__syscall)(n, a, b, c);
79 static inline long __syscall4(long n, long a, long b, long c, long d)
81 return (__syscall)(n, a, b, c, d);
86 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
88 return (__syscall)(n, a, b, c, d, e);
91 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
93 return (__syscall)(n, a, b, c, d, e, f);