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 18 namespace llvm { 19 namespace codeview { 20 class DebugFrameDataSubsectionRef final : public DebugSubsectionRef { 21 public: DebugFrameDataSubsectionRef()22 DebugFrameDataSubsectionRef() 23 : DebugSubsectionRef(DebugSubsectionKind::FrameData) {} classof(const DebugSubsection * S)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 begin()31 FixedStreamArray<FrameData>::Iterator begin() const { return Frames.begin(); } end()32 FixedStreamArray<FrameData>::Iterator end() const { return Frames.end(); } 33 getRelocPtr()34 const support::ulittle32_t *getRelocPtr() const { return RelocPtr; } 35 36 private: 37 const support::ulittle32_t *RelocPtr = nullptr; 38 FixedStreamArray<FrameData> Frames; 39 }; 40 41 class DebugFrameDataSubsection final : public DebugSubsection { 42 public: DebugFrameDataSubsection(bool IncludeRelocPtr)43 DebugFrameDataSubsection(bool IncludeRelocPtr) 44 : DebugSubsection(DebugSubsectionKind::FrameData), 45 IncludeRelocPtr(IncludeRelocPtr) {} classof(const DebugSubsection * S)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 56 private: 57 bool IncludeRelocPtr = false; 58 std::vector<FrameData> Frames; 59 }; 60 } 61 } 62 63 #endif 64