diff options
Diffstat (limited to 'lib/builtins/int_endianness.h')
| -rw-r--r-- | lib/builtins/int_endianness.h | 98 |
1 files changed, 48 insertions, 50 deletions
diff --git a/lib/builtins/int_endianness.h b/lib/builtins/int_endianness.h index e2586c56bac88..def046c34a625 100644 --- a/lib/builtins/int_endianness.h +++ b/lib/builtins/int_endianness.h @@ -1,51 +1,49 @@ -/* ===-- 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. - * - * ===----------------------------------------------------------------------=== - */ +//===-- int_endianness.h - configuration header for compiler-rt -----------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// 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(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \ +#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \ defined(__ORDER_LITTLE_ENDIAN__) -/* Clang and GCC provide built-in endianness definitions. */ +// Clang and GCC provide built-in endianness definitions. #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 +#define _YUGA_BIG_ENDIAN 1 #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* __BYTE_ORDER__ */ +#define _YUGA_BIG_ENDIAN 0 +#endif // __BYTE_ORDER__ -#else /* Compilers other than Clang or GCC. */ +#else // Compilers other than Clang or GCC. #if defined(__SVR4) && defined(__sun) #include <sys/byteorder.h> #if defined(_BIG_ENDIAN) #define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 +#define _YUGA_BIG_ENDIAN 1 #elif defined(_LITTLE_ENDIAN) #define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#else /* !_LITTLE_ENDIAN */ +#define _YUGA_BIG_ENDIAN 0 +#else // !_LITTLE_ENDIAN #error "unknown endianness" -#endif /* !_LITTLE_ENDIAN */ +#endif // !_LITTLE_ENDIAN -#endif /* Solaris and AuroraUX. */ +#endif // Solaris and AuroraUX. -/* .. */ +// .. #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \ defined(__minix) @@ -53,64 +51,64 @@ #if _BYTE_ORDER == _BIG_ENDIAN #define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 +#define _YUGA_BIG_ENDIAN 1 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* _BYTE_ORDER */ +#define _YUGA_BIG_ENDIAN 0 +#endif // _BYTE_ORDER -#endif /* *BSD */ +#endif // *BSD #if defined(__OpenBSD__) #include <machine/endian.h> #if _BYTE_ORDER == _BIG_ENDIAN #define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 +#define _YUGA_BIG_ENDIAN 1 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* _BYTE_ORDER */ +#define _YUGA_BIG_ENDIAN 0 +#endif // _BYTE_ORDER -#endif /* OpenBSD */ +#endif // OpenBSD -/* .. */ +// .. -/* Mac OSX has __BIG_ENDIAN__ or __LITTLE_ENDIAN__ automatically set by the - * compiler (at least with GCC) */ -#if defined(__APPLE__) || defined(__ellcc__ ) +// Mac OSX has __BIG_ENDIAN__ or __LITTLE_ENDIAN__ automatically set by the +// compiler (at least with GCC) +#if defined(__APPLE__) || defined(__ellcc__) #ifdef __BIG_ENDIAN__ #if __BIG_ENDIAN__ #define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 +#define _YUGA_BIG_ENDIAN 1 #endif -#endif /* __BIG_ENDIAN__ */ +#endif // __BIG_ENDIAN__ #ifdef __LITTLE_ENDIAN__ #if __LITTLE_ENDIAN__ #define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 +#define _YUGA_BIG_ENDIAN 0 #endif -#endif /* __LITTLE_ENDIAN__ */ +#endif // __LITTLE_ENDIAN__ -#endif /* Mac OSX */ +#endif // Mac OSX -/* .. */ +// .. #if defined(_WIN32) #define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 +#define _YUGA_BIG_ENDIAN 0 -#endif /* Windows */ +#endif // Windows -#endif /* Clang or GCC. */ +#endif // Clang or GCC. -/* . */ +// . #if !defined(_YUGA_LITTLE_ENDIAN) || !defined(_YUGA_BIG_ENDIAN) #error Unable to determine endian -#endif /* Check we found an endianness correctly. */ +#endif // Check we found an endianness correctly. -#endif /* INT_ENDIANNESS_H */ +#endif // INT_ENDIANNESS_H |