Current Path : /usr/src/contrib/compiler-rt/lib/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/contrib/compiler-rt/lib/int_endianness.h |
/* ===-- int_endianness.h - configuration header for compiler-rt ------------=== * * The LLVM Compiler Infrastructure * * This file is dual licensed under the MIT and the University of Illinois Open * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== * * This file is a configuration header for compiler-rt. * This file is not part of the interface of this library. * * ===----------------------------------------------------------------------=== */ #ifndef INT_ENDIANNESS_H #define INT_ENDIANNESS_H #if defined(__SVR4) && defined(__sun) #include <sys/byteorder.h> #if _BYTE_ORDER == _BIG_ENDIAN #define _YUGA_LITTLE_ENDIAN 0 #define _YUGA_BIG_ENDIAN 1 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define _YUGA_LITTLE_ENDIAN 1 #define _YUGA_BIG_ENDIAN 0 #endif /* _BYTE_ORDER */ #endif /* Solaris and AuroraUX. */ /* .. */ #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) #include <sys/endian.h> #if _BYTE_ORDER == _BIG_ENDIAN #define _YUGA_LITTLE_ENDIAN 0 #define _YUGA_BIG_ENDIAN 1 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define _YUGA_LITTLE_ENDIAN 1 #define _YUGA_BIG_ENDIAN 0 #endif /* _BYTE_ORDER */ #endif /* *BSD */ /* .. */ /* Mac OSX has __BIG_ENDIAN__ or __LITTLE_ENDIAN__ automatically set by the compiler (at least with GCC) */ #if defined(__APPLE__) && defined(__MACH__) || defined(__ellcc__ ) #ifdef __BIG_ENDIAN__ #if __BIG_ENDIAN__ #define _YUGA_LITTLE_ENDIAN 0 #define _YUGA_BIG_ENDIAN 1 #endif #endif /* __BIG_ENDIAN__ */ #ifdef __LITTLE_ENDIAN__ #if __LITTLE_ENDIAN__ #define _YUGA_LITTLE_ENDIAN 1 #define _YUGA_BIG_ENDIAN 0 #endif #endif /* __LITTLE_ENDIAN__ */ #endif /* Mac OSX */ /* .. */ #if defined(__linux__) #include <endian.h> #if __BYTE_ORDER == __BIG_ENDIAN #define _YUGA_LITTLE_ENDIAN 0 #define _YUGA_BIG_ENDIAN 1 #elif __BYTE_ORDER == __LITTLE_ENDIAN #define _YUGA_LITTLE_ENDIAN 1 #define _YUGA_BIG_ENDIAN 0 #endif /* __BYTE_ORDER */ #endif /* GNU/Linux */ /* . */ #if !defined(_YUGA_LITTLE_ENDIAN) || !defined(_YUGA_BIG_ENDIAN) #error Unable to determine endian #endif /* Check we found an endianness correctly. */ #endif /* INT_ENDIANNESS_H */