Imported some runtime libraries

include/Runtime.PPCEABI.H/__va_arg.h

@@ -0,0 +1,40 @@
+#ifndef __VA_ARG_H
+#define __VA_ARG_H
+
+#include "dolphin/types.h"
+
+typedef struct __va_list_struct {
+    char gpr;
+    char fpr;
+    char reserved[2];
+    char* input_arg_area;
+    char* reg_save_area;
+} _va_list_struct;
+
+typedef _va_list_struct __va_list[1];
+
+#ifdef __cplusplus
+extern "C" void* __va_arg(_va_list_struct*, int);
+#else
+void* __va_arg(_va_list_struct*, int);
+#endif
+
+#ifndef __MWERKS__
+#define __builtin_va_info(...)
+#define _var_arg_typeof(...)
+#endif
+
+// from defined-string in mwcceppc.exe:
+// __builtin_va_info: initialize the __va_list_struct
+// _var_arg_typeof: convert type to integer for __va_arg
+#define __va_start(list, fmt) __builtin_va_info(&list)
+#define __va_arg(list, type) (*((type*)__va_arg(list, _var_arg_typeof(type))))
+#define va_start __va_start
+#define va_arg __va_arg
+#define va_end __va_end
+#define va_list __va_list
+#define __va_end(list) ((void)0)
+
+#define __va_copy(a, b) (*(a) = *(b))
+
+#endif /* __VA_ARG_H */