1 //===-- BitWriter.cpp -----------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm-c/BitWriter.h" 10 #include "llvm/Bitcode/BitcodeWriter.h" 11 #include "llvm/IR/Module.h" 12 #include "llvm/Support/FileSystem.h" 13 #include "llvm/Support/MemoryBuffer.h" 14 #include "llvm/Support/raw_ostream.h" 15 using namespace llvm; 16 17 18 /*===-- Operations on modules ---------------------------------------------===*/ 19 20 int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) { 21 std::error_code EC; 22 raw_fd_ostream OS(Path, EC, sys::fs::F_None); 23 24 if (EC) 25 return -1; 26 27 WriteBitcodeToFile(*unwrap(M), OS); 28 return 0; 29 } 30 31 int LLVMWriteBitcodeToFD(LLVMModuleRef M, int FD, int ShouldClose, 32 int Unbuffered) { 33 raw_fd_ostream OS(FD, ShouldClose, Unbuffered); 34 35 WriteBitcodeToFile(*unwrap(M), OS); 36 return 0; 37 } 38 39 int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) { 40 return LLVMWriteBitcodeToFD(M, FileHandle, true, false); 41 } 42 43 LLVMMemoryBufferRef LLVMWriteBitcodeToMemoryBuffer(LLVMModuleRef M) { 44 std::string Data; 45 raw_string_ostream OS(Data); 46 47 WriteBitcodeToFile(*unwrap(M), OS); 48 return wrap(MemoryBuffer::getMemBufferCopy(OS.str()).release()); 49 } 50