1 //===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains functions used to do a variety of low-level, often
11 // system-specific, tasks.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_SUPPORT_SYSTEMUTILS_H
16 #define LLVM_SUPPORT_SYSTEMUTILS_H
22 namespace sys { class Path; }
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
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);
42 } // End llvm namespace