@@ -19,5 +19,19 @@
 #define RETURN_TYPE_STRET	1
 #define RETURN_TYPE_X87		2
 #define RETURN_TYPE_COMPLEX_X87	3
 #define RETURN_TYPE_JMP		4
 #define RETURN_TYPE_JMP_STRET	5
+
+#define NUM_GPR_IN	6
+#define NUM_GPR_OUT	2
+#define NUM_SSE_INOUT	8
+#define NUM_X87_OUT	2
+
+#define OFFSET_GPR_IN		0
+#define OFFSET_GPR_OUT		(OFFSET_GPR_IN + NUM_GPR_IN * 8)
+#define OFFSET_SSE_INOUT	(OFFSET_GPR_OUT + NUM_GPR_OUT * 8)
+#define OFFSET_X87_OUT		(OFFSET_SSE_INOUT + NUM_SSE_INOUT * 16)
+#define OFFSET_NUM_SSE_USED	(OFFSET_X87_OUT + NUM_X87_OUT * 16)
+#define OFFSET_RETURN_TYPE	(OFFSET_NUM_SSE_USED + 1)
+#define OFFSET_STACK_SIZE	(OFFSET_RETURN_TYPE + 7)
+#define OFFSET_STACK		(OFFSET_STACK_SIZE + 8)