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#define __SYSCALL_LL_E(x) \ ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \ ((union { long long ll; long l[2]; }){ .ll = x }).l[1] #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x)) #ifndef __clang__ #define __asm_syscall(...) do { \ __asm__ __volatile__ ( "svc 0" \ : "=r"(r0) : __VA_ARGS__ : "memory"); \ return r0; \ } while (0) static inline long __syscall0(long n) { register long r7 __asm__("r7") = n; register long r0 __asm__("r0"); __asm_syscall("r"(r7)); } static inline long __syscall1(long n, long a) { register long r7 __asm__("r7") = n; register long r0 __asm__("r0") = a; __asm_syscall("r"(r7), "0"(r0)); } static inline long __syscall2(long n, long a, long b) { register long r7 __asm__("r7") = n; register long r0 __asm__("r0") = a; register long r1 __asm__("r1") = b; __asm_syscall("r"(r7), "0"(r0), "r"(r1)); } static inline long __syscall3(long n, long a, long b, long c) { register long r7 __asm__("r7") = n; register long r0 __asm__("r0") = a; register long r1 __asm__("r1") = b; register long r2 __asm__("r2") = c; __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2)); } static inline long __syscall4(long n, long a, long b, long c, long d) { register long r7 __asm__("r7") = n; register long r0 __asm__("r0") = a; register long r1 __asm__("r1") = b; register long r2 __asm__("r2") = c; register long r3 __asm__("r3") = d; __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3)); } #else static inline long __syscall0(long n) { return (__syscall)(n); } static inline long __syscall1(long n, long a) { return (__syscall)(n, a); } static inline long __syscall2(long n, long a, long b) { return (__syscall)(n, a, b); } static inline long __syscall3(long n, long a, long b, long c) { return (__syscall)(n, a, b, c); } static inline long __syscall4(long n, long a, long b, long c, long d) { return (__syscall)(n, a, b, c, d); } #endif static inline long __syscall5(long n, long a, long b, long c, long d, long e) { return (__syscall)(n, a, b, c, d, e); } static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) { return (__syscall)(n, a, b, c, d, e, f); } |