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File: [Development] / linux-2.4-xfs / include / asm-sparc / unaligned.h (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD 

Initial Import 2.4.24pre2

#ifndef _ASM_SPARC_UNALIGNED_H_
#define _ASM_SPARC_UNALIGNED_H_

/* Sparc 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_SPARC_UNALIGNED_H */