1 //===-- BitWriter.cpp -----------------------------------------------------===// 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 #include "llvm-c/BitWriter.h" 11 #include "llvm/Bitcode/ReaderWriter.h" 12 #include <fstream> 13 14 using namespace llvm; 15 16 17 /*===-- Operations on modules ---------------------------------------------===*/ 18 19 int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) { 20 std::ofstream OS(Path, std::ios_base::out|std::ios::trunc|std::ios::binary); 21 22 if (!OS.fail()) 23 WriteBitcodeToFile(unwrap(M), OS); 24 25 if (OS.fail()) 26 return -1; 27 28 return 0; 29 } 30 31 #ifdef __GNUC__ 32 #include <ext/stdio_filebuf.h> 33 34 // FIXME: Control this with configure? Provide some portable abstraction in 35 // libSystem? As is, the user will just get a linker error if they use this on 36 // non-GCC. Some C++ stdlibs even have ofstream::ofstream(int fd). 37 int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) { 38 __gnu_cxx::stdio_filebuf<char> Buffer(FileHandle, std::ios_base::out | 39 std::ios::trunc | 40 std::ios::binary); 41 std::ostream OS(&Buffer); 42 43 if (!OS.fail()) 44 WriteBitcodeToFile(unwrap(M), OS); 45 46 if (OS.fail()) 47 return -1; 48 49 return 0; 50 } 51 52 #endif 53