diff --git a/libc/arch-sh/include/endian.h b/libc/arch-sh/include/endian.h
new file mode 100644
index 0000000..ad10164
--- /dev/null
+++ b/libc/arch-sh/include/endian.h
@@ -0,0 +1,39 @@
+/*	$OpenBSD: endian.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $	*/
+/*	$NetBSD: endian.h,v 1.4 2000/03/17 00:09:25 mycroft Exp $	*/
+
+/* Written by Manuel Bouyer. Public domain */
+
+#ifndef _SH_ENDIAN_H_
+#define	_SH_ENDIAN_H_
+
+#ifdef  __GNUC__
+
+#define	__swap64md	__swap64gen
+
+#define __swap16md(x) ({						\
+	uint16_t rval;							\
+									\
+	__asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x));		\
+									\
+	rval;								\
+})
+
+#define __swap32md(x) ({						\
+	uint32_t rval;							\
+									\
+	__asm volatile ("swap.b %1,%0; swap.w %0,%0; swap.b %0,%0"	\
+			  : "=r"(rval) : "r"(x));			\
+									\
+	rval;								\
+})
+
+#define MD_SWAP
+
+#endif /* __GNUC_ */
+
+#define	_BYTE_ORDER _LITTLE_ENDIAN
+#include <sys/endian.h>
+
+#define	__STRICT_ALIGNMENT
+
+#endif /* !_SH_ENDIAN_H_ */