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::OF_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