| //===- llvm/Support/Host.h - Host machine characteristics --------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Methods for querying the nature of the host machine. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_SUPPORT_HOST_H |
| #define LLVM_SUPPORT_HOST_H |
| |
| #include "llvm/ADT/StringMap.h" |
| |
| #if defined(__linux__) || defined(__GNU__) || defined(__HAIKU__) |
| #include <endian.h> |
| #elif defined(_AIX) |
| #include <sys/machine.h> |
| #else |
| #if !defined(BYTE_ORDER) && !defined(LLVM_ON_WIN32) |
| #include <machine/endian.h> |
| #endif |
| #endif |
| |
| #include <string> |
| |
| namespace llvm { |
| namespace sys { |
| |
| #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN |
| static const bool IsBigEndianHost = true; |
| #else |
| static const bool IsBigEndianHost = false; |
| #endif |
| |
| static const bool IsLittleEndianHost = !IsBigEndianHost; |
| } |
| } |
| |
| #endif |
