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 SYSCALL_RLIM_INFINITY (-1UL/2)
12 #define __asm_syscall(...) do { \
13 register long r2 __asm__("$2"); \
14 __asm__ __volatile__ ( \
15 "addu $2,$0,%2 ; syscall" \
16 : "=&r"(r2), "=r"(r7) : "ir"(n), __VA_ARGS__, "0"(r2), "1"(r7) \
17 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
18 "$14", "$15", "$24", "$25", "hi", "lo", "memory"); \
19 return r7 ? -r2 : r2; \
22 static inline long __syscall0(long n)
24 register long r7 __asm__("$7");
25 __asm_syscall("i"(0));
28 static inline long __syscall1(long n, long a)
30 register long r4 __asm__("$4") = a;
31 register long r7 __asm__("$7");
32 __asm_syscall("r"(r4));
35 static inline long __syscall2(long n, long a, long b)
37 register long r4 __asm__("$4") = a;
38 register long r5 __asm__("$5") = b;
39 register long r7 __asm__("$7");
40 __asm_syscall("r"(r4), "r"(r5));
43 static inline long __syscall3(long n, long a, long b, long c)
45 register long r4 __asm__("$4") = a;
46 register long r5 __asm__("$5") = b;
47 register long r6 __asm__("$6") = c;
48 register long r7 __asm__("$7");
49 __asm_syscall("r"(r4), "r"(r5), "r"(r6));
52 static inline long __syscall4(long n, long a, long b, long c, long d)
54 register long r4 __asm__("$4") = a;
55 register long r5 __asm__("$5") = b;
56 register long r6 __asm__("$6") = c;
57 register long r7 __asm__("$7") = d;
58 __asm_syscall("r"(r4), "r"(r5), "r"(r6));
63 static inline long __syscall0(long n)
65 return (__syscall)(n);
68 static inline long __syscall1(long n, long a)
70 return (__syscall)(n, a);
73 static inline long __syscall2(long n, long a, long b)
75 return (__syscall)(n, a, b);
78 static inline long __syscall3(long n, long a, long b, long c)
80 return (__syscall)(n, a, b, c);
83 static inline long __syscall4(long n, long a, long b, long c, long d)
85 return (__syscall)(n, a, b, c, d);
90 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
92 return (__syscall)(n, a, b, c, d, e);
95 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
97 return (__syscall)(n, a, b, c, d, e, f);