patch-2.3.16 linux/include/asm-sh/unaligned.h

• Lines: 20
• Date: Mon Aug 30 18:12:59 1999
• Orig file: v2.3.15/linux/include/asm-sh/unaligned.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.15/linux/include/asm-sh/unaligned.h linux/include/asm-sh/unaligned.h
@@ -0,0 +1,19 @@
+#ifndef __ASM_SH_UNALIGNED_H
+#define __ASM_SH_UNALIGNED_H
+
+/* SH can't handle unaligned accesses. */
+
+#include <linux/string.h>
+
+
+/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
+
+#define get_unaligned(ptr) \
+  ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
+
+#define put_unaligned(val, ptr)				\
+  ({ __typeof__(*(ptr)) __tmp = (val);			\
+     memmove((ptr), &__tmp, sizeof(*(ptr)));		\
+     (void)0; })
+
+#endif /* __ASM_SH_UNALIGNED_H */