X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=arch%2Fmips%2Fsyscall_arch.h;h=43404c9e165cf62ae4823ea035f74dfcf2789b4c;hp=68e8dce30b761bd9e2eb227a51ecd0d78c112b37;hb=ae0c1de530bc3b27069008b8b247171d08dbe80b;hpb=208eb584efbf995e0c5d92f76d5f4c08ae0054b4 diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h index 68e8dce3..43404c9e 100644 --- a/arch/mips/syscall_arch.h +++ b/arch/mips/syscall_arch.h @@ -3,7 +3,58 @@ ((union { long long ll; long l[2]; }){ .ll = x }).l[1] #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x)) -#define __SYSCALL_SSLEN 16 +#ifndef __clang__ + +#define __asm_syscall(...) do { \ + register long r2 __asm__("$2"); \ + __asm__ __volatile__ ( \ + "addu $2,$0,%2 ; syscall" \ + : "=&r"(r2), "=r"(r7) : "ir"(n), __VA_ARGS__, "0"(r2), "1"(r7) \ + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); \ + return r7 ? -r2 : r2; \ + } while (0) + +static inline long __syscall0(long n) +{ + register long r7 __asm__("$7"); + __asm_syscall("i"(0)); +} + +static inline long __syscall1(long n, long a) +{ + register long r4 __asm__("$4") = a; + register long r7 __asm__("$7"); + __asm_syscall("r"(r4)); +} + +static inline long __syscall2(long n, long a, long b) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r7 __asm__("$7"); + __asm_syscall("r"(r4), "r"(r5)); +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7"); + __asm_syscall("r"(r4), "r"(r5), "r"(r6)); +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7") = d; + __asm_syscall("r"(r4), "r"(r5), "r"(r6)); +} + +#else static inline long __syscall0(long n) { @@ -30,6 +81,8 @@ 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);