48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
//===- llvm/System/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_SYSTEM_HOST_H
|
|
#define LLVM_SYSTEM_HOST_H
|
|
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
namespace sys {
|
|
|
|
inline bool isLittleEndianHost() {
|
|
union {
|
|
int i;
|
|
char c;
|
|
};
|
|
i = 1;
|
|
return c;
|
|
}
|
|
|
|
inline bool isBigEndianHost() {
|
|
return !isLittleEndianHost();
|
|
}
|
|
|
|
/// getHostTriple() - Return the target triple of the running
|
|
/// system.
|
|
///
|
|
/// The target triple is a string in the format of:
|
|
/// CPU_TYPE-VENDOR-OPERATING_SYSTEM
|
|
/// or
|
|
/// CPU_TYPE-VENDOR-KERNEL-OPERATING_SYSTEM
|
|
std::string getHostTriple();
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|