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9441de4c38
This release is used in conjunction with the linux-sgx-driver Intial release: https://github.com/01org/linux-sgx-driver commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7 Intel-id: 33399 Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/* ===-- int_endianness.h - configuration header for compiler-rt ------------===
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*
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* The LLVM Compiler Infrastructure
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*
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* This file is dual licensed under the MIT and the University of Illinois Open
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* Source Licenses. See LICENSE.TXT for details.
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*
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* ===----------------------------------------------------------------------===
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*
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* This file is a configuration header for compiler-rt.
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* This file is not part of the interface of this library.
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*
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* ===----------------------------------------------------------------------===
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*/
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#ifndef INT_ENDIANNESS_H
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#define INT_ENDIANNESS_H
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#if defined(__SVR4) && defined(__sun)
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#include <sys/byteorder.h>
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#if defined(_BIG_ENDIAN)
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#define _YUGA_LITTLE_ENDIAN 0
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#define _YUGA_BIG_ENDIAN 1
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#elif defined(_LITTLE_ENDIAN)
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#define _YUGA_LITTLE_ENDIAN 1
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#define _YUGA_BIG_ENDIAN 0
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#else /* !_LITTLE_ENDIAN */
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#error "unknown endianness"
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#endif /* !_LITTLE_ENDIAN */
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#endif /* Solaris and AuroraUX. */
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/* .. */
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \
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defined(__minix)
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#include <sys/endian.h>
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#if _BYTE_ORDER == _BIG_ENDIAN
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#define _YUGA_LITTLE_ENDIAN 0
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#define _YUGA_BIG_ENDIAN 1
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#elif _BYTE_ORDER == _LITTLE_ENDIAN
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#define _YUGA_LITTLE_ENDIAN 1
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#define _YUGA_BIG_ENDIAN 0
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#endif /* _BYTE_ORDER */
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#endif /* *BSD */
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#if defined(__OpenBSD__) || defined(__Bitrig__)
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#include <machine/endian.h>
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#if _BYTE_ORDER == _BIG_ENDIAN
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#define _YUGA_LITTLE_ENDIAN 0
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#define _YUGA_BIG_ENDIAN 1
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#elif _BYTE_ORDER == _LITTLE_ENDIAN
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#define _YUGA_LITTLE_ENDIAN 1
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#define _YUGA_BIG_ENDIAN 0
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#endif /* _BYTE_ORDER */
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#endif /* OpenBSD and Bitrig. */
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/* .. */
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/* Mac OSX has __BIG_ENDIAN__ or __LITTLE_ENDIAN__ automatically set by the
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* compiler (at least with GCC) */
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#if defined(__APPLE__) || defined(__ellcc__ )
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#ifdef __BIG_ENDIAN__
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#if __BIG_ENDIAN__
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#define _YUGA_LITTLE_ENDIAN 0
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#define _YUGA_BIG_ENDIAN 1
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#endif
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#endif /* __BIG_ENDIAN__ */
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#ifdef __LITTLE_ENDIAN__
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#if __LITTLE_ENDIAN__
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#define _YUGA_LITTLE_ENDIAN 1
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#define _YUGA_BIG_ENDIAN 0
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#endif
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#endif /* __LITTLE_ENDIAN__ */
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#endif /* Mac OSX */
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/* .. */
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#if defined(__linux__)
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#include <endian.h>
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define _YUGA_LITTLE_ENDIAN 0
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#define _YUGA_BIG_ENDIAN 1
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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#define _YUGA_LITTLE_ENDIAN 1
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#define _YUGA_BIG_ENDIAN 0
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#endif /* __BYTE_ORDER */
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#endif /* GNU/Linux */
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#if defined(_WIN32)
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#define _YUGA_LITTLE_ENDIAN 1
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#define _YUGA_BIG_ENDIAN 0
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#endif /* Windows */
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/* . */
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#if !defined(_YUGA_LITTLE_ENDIAN) || !defined(_YUGA_BIG_ENDIAN)
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#error Unable to determine endian
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#endif /* Check we found an endianness correctly. */
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#endif /* INT_ENDIANNESS_H */
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