--- /dev/null
+/* stdarg/vararg support for the Hitachi h8/300 and h8/300h */
+
+/* Define __gnuc_va_list. */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef void *__gnuc_va_list;
+#endif
+
+/* If this is for internal libc use, don't define anything but
+ __gnuc_va_list. */
+#if defined (_STDARG_H) || defined (_VARARGS_H)
+
+/* In GCC version 2, we want an ellipsis at the end of the declaration
+ of the argument list. GCC version 1 can't parse it. */
+
+#if __GNUC__ > 1
+#define __va_ellipsis ...
+#else
+#define __va_ellipsis
+#endif
+
+#ifdef __h8300__
+#define __va_rounded_size(TYPE) \
+ (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
+#else
+#define __va_rounded_size(TYPE) \
+ (((sizeof (TYPE) + sizeof (long) - 1) / sizeof (long)) * sizeof (long))
+#endif
+
+#ifdef _STDARG_H
+
+#define va_start(AP,LASTARG) (AP = ((__gnuc_va_list) __builtin_next_arg ()))
+
+#else /* _VARARGS_H */
+
+#define va_alist __builtin_va_alist
+/* The ... causes current_function_varargs to be set in cc1. */
+#define va_dcl int __builtin_va_alist; __va_ellipsis
+#define va_start(AP) AP = (void *) &__builtin_va_alist
+
+#endif /* _VARARGS_H */
+
+#define va_arg(AP, TYPE) \
+ (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
+ *((TYPE *) (void *) ((char *) (AP) - ((sizeof (TYPE) < 4 \
+ ? sizeof (TYPE) \
+ : __va_rounded_size (TYPE))))))
+
+#define va_end(AP)
+
+#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */