1 //===- SystemUtils.h ------------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #ifndef MCLD_SUPPORT_SYSTEMUTILS_H_ 10 #define MCLD_SUPPORT_SYSTEMUTILS_H_ 11 12 #include "mcld/Config/Config.h" 13 14 #include <llvm/Support/DataTypes.h> 15 16 #include <string> 17 18 namespace mcld { 19 namespace sys { 20 21 typedef uint8_t* Address; 22 typedef off_t Offset; 23 24 /** \fn strerror 25 * \brief system error message 26 */ 27 char* strerror(int pErrnum); 28 29 std::string getDefaultTargetTriple(); 30 31 int GetPageSize(); 32 33 /// GetRandomNum - generate a random number. 34 long GetRandomNum(); 35 36 /// SetRandomSeed - set the initial seed value for future calls to random(). 37 void SetRandomSeed(unsigned pSeed); 38 39 } // namespace sys 40 } // namespace mcld 41 42 #endif // MCLD_SUPPORT_SYSTEMUTILS_H_ 43