Revision 34313956

b/thunk.h
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#define THUNK_H
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#include <inttypes.h>
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#include <endian.h>
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#ifdef HAVE_BYTESWAP_H
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#include <byteswap.h>
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#else
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#define bswap_16(x) \
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({ \
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	uint16_t __x = (x); \
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	((uint16_t)( \
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		(((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \
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		(((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \
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})
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#define bswap_32(x) \
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({ \
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	uint32_t __x = (x); \
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	((uint32_t)( \
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		(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
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		(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
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		(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
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		(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
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})
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#define bswap_64(x) \
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({ \
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	__u64 __x = (x); \
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	((__u64)( \
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		(__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
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		(__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
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		(__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
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		(__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) <<  8) | \
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	        (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >>  8) | \
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		(__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
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		(__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
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		(__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56) )); \
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})
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#endif
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#undef WORDS_BIGENDIAN
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define WORDS_BIGENDIAN
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#endif
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#ifdef WORD_BIGENDIAN
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#ifdef WORDS_BIGENDIAN
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#define BSWAP_NEEDED
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#endif
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