X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=arch%2Fmips%2Fsyscall_arch.h;h=43404c9e165cf62ae4823ea035f74dfcf2789b4c;hp=58904765d1a0676168778929d474141044764d6c;hb=ae0c1de530bc3b27069008b8b247171d08dbe80b;hpb=b94067eeae894b5a26170cebc378261f83ad00cb

diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h
index 58904765..43404c9e 100644
--- a/arch/mips/syscall_arch.h
+++ b/arch/mips/syscall_arch.h
@@ -3,15 +3,13 @@
 ((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__ ( \
-	"move $2,$7 ; syscall" \
-	: "=&r"(r2), "=r"(r7) : __VA_ARGS__ \
+	"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; \
@@ -19,32 +17,41 @@
 
 static inline long __syscall0(long n)
 {
-	register long r7 __asm__("$7") = n;
-	__asm_syscall("r"(r7));
+	register long r7 __asm__("$7");
+	__asm_syscall("i"(0));
 }
 
 static inline long __syscall1(long n, long a)
 {
-	register long r7 __asm__("$7") = n;
 	register long r4 __asm__("$4") = a;
-	__asm_syscall("r"(r7), "r"(r4));
+	register long r7 __asm__("$7");
+	__asm_syscall("r"(r4));
 }
 
 static inline long __syscall2(long n, long a, long b)
 {
-	register long r7 __asm__("$7") = n;
 	register long r4 __asm__("$4") = a;
 	register long r5 __asm__("$5") = b;
-	__asm_syscall("r"(r7), "r"(r4), "r"(r5));
+	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 r7 __asm__("$7") = n;
 	register long r4 __asm__("$4") = a;
 	register long r5 __asm__("$5") = b;
 	register long r6 __asm__("$6") = c;
-	__asm_syscall("r"(r7), "r"(r4), "r"(r5), "r"(r6));
+	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
@@ -69,13 +76,13 @@ static inline long __syscall3(long n, long a, long b, long c)
 	return (__syscall)(n, a, b, c);
 }
 
-#endif
-
 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);