+#define SYSCALL_ESTATUS(errno) -((errno) != 0)
+
+#define asmlinkage __attribute__((regparm(0)))
+
+#define __PARAM_MAP1(t1, p1) t1 p1
+#define __PARAM_MAP2(t1, p1, ...) t1 p1, __PARAM_MAP1(__VA_ARGS__)
+#define __PARAM_MAP3(t1, p1, ...) t1 p1, __PARAM_MAP2(__VA_ARGS__)
+#define __PARAM_MAP4(t1, p1, ...) t1 p1, __PARAM_MAP3(__VA_ARGS__)
+#define __PARAM_MAP5(t1, p1, ...) t1 p1, __PARAM_MAP4(__VA_ARGS__)
+#define __PARAM_MAP6(t1, p1, ...) t1 p1, __PARAM_MAP5(__VA_ARGS__)
+
+#define __DEFINE_LXSYSCALL(rettype, name) asmlinkage rettype __lxsys_##name()
+
+#define __DEFINE_LXSYSCALL1(rettype, name, t1, p1) \
+ asmlinkage rettype __lxsys_##name(__PARAM_MAP1(t1, p1))
+
+#define __DEFINE_LXSYSCALL2(rettype, name, t1, p1, t2, p2) \
+ asmlinkage rettype __lxsys_##name(__PARAM_MAP2(t1, p1, t2, p2))
+
+#define __DEFINE_LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \
+ asmlinkage rettype __lxsys_##name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3))
+
+#define __DEFINE_LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \
+ asmlinkage rettype __lxsys_##name( \
+ __PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4))
+
+#define __DEFINE_LXSYSCALL5( \
+ rettype, name, t1, p1, t2, p2, t3, p3, t4, p4, t5, p5) \
+ asmlinkage rettype __lxsys_##name( \
+ __PARAM_MAP5(t1, p1, t2, p2, t3, p3, t4, p4, t5, p5))