X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=arch%2Farm%2Fsyscall_arch.h;h=1d87fae1f6f67f03999b10f5117dd0a4fdf07c42;hp=48b0e36b6a8bf9e880581d603b259cc71cead309;hb=22730d65608db06500cc6e0be4aaec03238f996b;hpb=208eb584efbf995e0c5d92f76d5f4c08ae0054b4

diff --git a/arch/arm/syscall_arch.h b/arch/arm/syscall_arch.h
index 48b0e36b..1d87fae1 100644
--- a/arch/arm/syscall_arch.h
+++ b/arch/arm/syscall_arch.h
@@ -3,7 +3,56 @@
 ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
 #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
 
-#define __SYSCALL_SSLEN 8
+#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)
 {
@@ -30,6 +79,8 @@ 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);