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  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/BinaryStreamArray.h"
  15. #include "llvm/Support/BinaryStreamRef.h"
  16. #include "llvm/Support/Endian.h"
  17. #include "llvm/Support/Error.h"
  18.  
  19. namespace llvm {
  20. class BinaryStreamReader;
  21. class BinaryStreamWriter;
  22.  
  23. namespace codeview {
  24. class DebugFrameDataSubsectionRef final : public DebugSubsectionRef {
  25. public:
  26.   DebugFrameDataSubsectionRef()
  27.       : DebugSubsectionRef(DebugSubsectionKind::FrameData) {}
  28.   static bool classof(const DebugSubsection *S) {
  29.     return S->kind() == DebugSubsectionKind::FrameData;
  30.   }
  31.  
  32.   Error initialize(BinaryStreamReader Reader);
  33.   Error initialize(BinaryStreamRef Stream);
  34.  
  35.   FixedStreamArray<FrameData>::Iterator begin() const { return Frames.begin(); }
  36.   FixedStreamArray<FrameData>::Iterator end() const { return Frames.end(); }
  37.  
  38.   const support::ulittle32_t *getRelocPtr() const { return RelocPtr; }
  39.  
  40. private:
  41.   const support::ulittle32_t *RelocPtr = nullptr;
  42.   FixedStreamArray<FrameData> Frames;
  43. };
  44.  
  45. class DebugFrameDataSubsection final : public DebugSubsection {
  46. public:
  47.   DebugFrameDataSubsection(bool IncludeRelocPtr)
  48.       : DebugSubsection(DebugSubsectionKind::FrameData),
  49.         IncludeRelocPtr(IncludeRelocPtr) {}
  50.   static bool classof(const DebugSubsection *S) {
  51.     return S->kind() == DebugSubsectionKind::FrameData;
  52.   }
  53.  
  54.   uint32_t calculateSerializedSize() const override;
  55.   Error commit(BinaryStreamWriter &Writer) const override;
  56.  
  57.   void addFrameData(const FrameData &Frame);
  58.   void setFrames(ArrayRef<FrameData> Frames);
  59.  
  60. private:
  61.   bool IncludeRelocPtr = false;
  62.   std::vector<FrameData> Frames;
  63. };
  64. }
  65. }
  66.  
  67. #endif
  68.