1 //===- IMSFFile.h - Abstract base class for an MSF file ---------*- C++ -*-===//
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 #ifndef LLVM_DEBUGINFO_MSF_IMSFFILE_H
10 #define LLVM_DEBUGINFO_MSF_IMSFFILE_H
11 
12 #include "llvm/ADT/ArrayRef.h"
13 #include "llvm/Support/Endian.h"
14 #include "llvm/Support/Error.h"
15 #include <cstdint>
16 
17 namespace llvm {
18 namespace msf {
19 
20 class IMSFFile {
21 public:
22   virtual ~IMSFFile() = default;
23 
24   virtual uint32_t getBlockSize() const = 0;
25   virtual uint32_t getBlockCount() const = 0;
26 
27   virtual uint32_t getNumStreams() const = 0;
28   virtual uint32_t getStreamByteSize(uint32_t StreamIndex) const = 0;
29   virtual ArrayRef<support::ulittle32_t>
30   getStreamBlockList(uint32_t StreamIndex) const = 0;
31 
32   virtual Expected<ArrayRef<uint8_t>> getBlockData(uint32_t BlockIndex,
33                                                    uint32_t NumBytes) const = 0;
34   virtual Error setBlockData(uint32_t BlockIndex, uint32_t Offset,
35                              ArrayRef<uint8_t> Data) const = 0;
36 };
37 
38 } // end namespace msf
39 } // end namespace llvm
40 
41 #endif // LLVM_DEBUGINFO_MSF_IMSFFILE_H
42