1 //===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains functions used to do a variety of low-level, often 11 // system-specific, tasks. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_SUPPORT_SYSTEMUTILS_H 16 #define LLVM_SUPPORT_SYSTEMUTILS_H 17 18 #include <string> 19 20 namespace llvm { 21 class raw_ostream; 22 namespace sys { class Path; } 23 24 /// Determine if the raw_ostream provided is connected to a terminal. If so, 25 /// generate a warning message to errs() advising against display of bitcode 26 /// and return true. Otherwise just return false. 27 /// @brief Check for output written to a console 28 bool CheckBitcodeOutputToConsole( 29 raw_ostream &stream_to_check, ///< The stream to be checked 30 bool print_warning = true ///< Control whether warnings are printed 31 ); 32 33 /// PrependMainExecutablePath - Prepend the path to the program being executed 34 /// to \p ExeName, given the value of argv[0] and the address of main() 35 /// itself. This allows us to find another LLVM tool if it is built in the same 36 /// directory. An empty string is returned on error; note that this function 37 /// just mainpulates the path and doesn't check for executability. 38 /// @brief Find a named executable. 39 sys::Path PrependMainExecutablePath(const std::string &ExeName, 40 const char *Argv0, void *MainAddr); 41 42 } // End llvm namespace 43 44 #endif 45
