byteorder.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- #ifndef _X86_64_BYTEORDER_H
- #define _X86_64_BYTEORDER_H
- #include <asm/types.h>
- #ifdef __GNUC__
- static __inline__ __const__ __u64 ___arch__swab64(__u64 x)
- {
- __asm__("bswapq %0" : "=r" (x) : "0" (x));
- return x;
- }
- static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
- {
- __asm__("bswapl %0" : "=r" (x) : "0" (x));
- return x;
- }
- /* Do not define swab16. Gcc is smart enought to recognize "C" version and
- convert it into rotation or exhange. */
- #define __arch__swab32(x) ___arch__swab32(x)
- #define __arch__swab64(x) ___arch__swab64(x)
- #endif /* __GNUC__ */
- #define __BYTEORDER_HAS_U64__
- #include <linux/byteorder/little_endian.h>
- #endif /* _X86_64_BYTEORDER_H */