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Differential D29012 Diff 84968 sys/powerpc/include/endian.h

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sys/powerpc/include/endian.h

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*/ */
#if __BSD_VISIBLE #if __BSD_VISIBLE
#define LITTLE_ENDIAN _LITTLE_ENDIAN #define LITTLE_ENDIAN _LITTLE_ENDIAN
#define BIG_ENDIAN _BIG_ENDIAN #define BIG_ENDIAN _BIG_ENDIAN
#define PDP_ENDIAN _PDP_ENDIAN #define PDP_ENDIAN _PDP_ENDIAN
#define BYTE_ORDER _BYTE_ORDER #define BYTE_ORDER _BYTE_ORDER
#endif #endif
#if defined(__GNUCLIKE_BUILTIN_CONSTANT_P) #define __bswap16(x) __builtin_bswap16(x)
#define __is_constant(x) __builtin_constant_p(x) #define __bswap32(x) __builtin_bswap32(x)
#else #define __bswap64(x) __builtin_bswap64(x)
#define __is_constant(x) 0
#endif
#define __bswap16_const(x) ((((__uint16_t)(x) >> 8) & 0xff) | \
(((__uint16_t)(x) << 8) & 0xff00))
#define __bswap32_const(x) ((((__uint32_t)(x) >> 24) & 0xff) | \
(((__uint32_t)(x) >> 8) & 0xff00) | \
(((__uint32_t)(x)<< 8) & 0xff0000) | \
(((__uint32_t)(x) << 24) & 0xff000000))
#define __bswap64_const(x) ((((__uint64_t)(x) >> 56) & 0xff) | \
(((__uint64_t)(x) >> 40) & 0xff00) | \
(((__uint64_t)(x) >> 24) & 0xff0000) | \
(((__uint64_t)(x) >> 8) & 0xff000000) | \
(((__uint64_t)(x) << 8) & ((__uint64_t)0xff << 32)) | \
(((__uint64_t)(x) << 24) & ((__uint64_t)0xff << 40)) | \
(((__uint64_t)(x) << 40) & ((__uint64_t)0xff << 48)) | \
(((__uint64_t)(x) << 56) & ((__uint64_t)0xff << 56)))
static __inline __uint16_t
__bswap16_var(__uint16_t _x)
{
return ((_x >> 8) | ((_x << 8) & 0xff00));
}
static __inline __uint32_t
__bswap32_var(__uint32_t _x)
{
return ((_x >> 24) | ((_x >> 8) & 0xff00) | ((_x << 8) & 0xff0000) |
((_x << 24) & 0xff000000));
}
static __inline __uint64_t
__bswap64_var(__uint64_t _x)
{
return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
((_x << 24) & ((__uint64_t)0xff << 40)) |
((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
}
#define __bswap16(x) ((__uint16_t)(__is_constant(x) ? __bswap16_const(x) : \
__bswap16_var(x)))
#define __bswap32(x) (__is_constant(x) ? __bswap32_const(x) : \
__bswap32_var(x))
#define __bswap64(x) (__is_constant(x) ? __bswap64_const(x) : \
__bswap64_var(x))
#ifdef __LITTLE_ENDIAN__ #ifdef __LITTLE_ENDIAN__
#define __htonl(x) (__bswap32((__uint32_t)(x))) #define __htonl(x) (__bswap32((__uint32_t)(x)))
#define __htons(x) (__bswap16((__uint16_t)(x))) #define __htons(x) (__bswap16((__uint16_t)(x)))
#define __ntohl(x) (__bswap32((__uint32_t)(x))) #define __ntohl(x) (__bswap32((__uint32_t)(x)))
#define __ntohs(x) (__bswap16((__uint16_t)(x))) #define __ntohs(x) (__bswap16((__uint16_t)(x)))
#else #else
#define __htonl(x) ((__uint32_t)(x)) #define __htonl(x) ((__uint32_t)(x))
#define __htons(x) ((__uint16_t)(x)) #define __htons(x) ((__uint16_t)(x))
#define __ntohl(x) ((__uint32_t)(x)) #define __ntohl(x) ((__uint32_t)(x))
#define __ntohs(x) ((__uint16_t)(x)) #define __ntohs(x) ((__uint16_t)(x))
#endif #endif
#endif /* !_MACHINE_ENDIAN_H_ */ #endif /* !_MACHINE_ENDIAN_H_ */