1//===- DebugFrameDataSubsection.h ------------------------------*- 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_CODEVIEW_DEBUGFRAMEDATASUBSECTION_H
10#define LLVM_DEBUGINFO_CODEVIEW_DEBUGFRAMEDATASUBSECTION_H
11
12#include "llvm/DebugInfo/CodeView/CodeView.h"
13#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
14#include "llvm/Support/BinaryStreamReader.h"
15#include "llvm/Support/Endian.h"
16#include "llvm/Support/Error.h"
17
18namespace llvm {
19namespace codeview {
20class DebugFrameDataSubsectionRef final : public DebugSubsectionRef {
21public:
22  DebugFrameDataSubsectionRef()
23      : DebugSubsectionRef(DebugSubsectionKind::FrameData) {}
24  static bool classof(const DebugSubsection *S) {
25    return S->kind() == DebugSubsectionKind::FrameData;
26  }
27
28  Error initialize(BinaryStreamReader Reader);
29  Error initialize(BinaryStreamRef Stream);
30
31  FixedStreamArray<FrameData>::Iterator begin() const { return Frames.begin(); }
32  FixedStreamArray<FrameData>::Iterator end() const { return Frames.end(); }
33
34  const support::ulittle32_t *getRelocPtr() const { return RelocPtr; }
35
36private:
37  const support::ulittle32_t *RelocPtr = nullptr;
38  FixedStreamArray<FrameData> Frames;
39};
40
41class DebugFrameDataSubsection final : public DebugSubsection {
42public:
43  DebugFrameDataSubsection(bool IncludeRelocPtr)
44      : DebugSubsection(DebugSubsectionKind::FrameData),
45        IncludeRelocPtr(IncludeRelocPtr) {}
46  static bool classof(const DebugSubsection *S) {
47    return S->kind() == DebugSubsectionKind::FrameData;
48  }
49
50  uint32_t calculateSerializedSize() const override;
51  Error commit(BinaryStreamWriter &Writer) const override;
52
53  void addFrameData(const FrameData &Frame);
54  void setFrames(ArrayRef<FrameData> Frames);
55
56private:
57  bool IncludeRelocPtr = false;
58  std::vector<FrameData> Frames;
59};
60}
61}
62
63#endif
64