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: DebugFrameDataSubsectionRef()26 DebugFrameDataSubsectionRef() 27 : DebugSubsectionRef(DebugSubsectionKind::FrameData) {} classof(const DebugSubsection * S)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 begin()35 FixedStreamArray<FrameData>::Iterator begin() const { return Frames.begin(); } end()36 FixedStreamArray<FrameData>::Iterator end() const { return Frames.end(); } 37 getRelocPtr()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: DebugFrameDataSubsection(bool IncludeRelocPtr)47 DebugFrameDataSubsection(bool IncludeRelocPtr) 48 : DebugSubsection(DebugSubsectionKind::FrameData), 49 IncludeRelocPtr(IncludeRelocPtr) {} classof(const DebugSubsection * S)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