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/Compiler.h" 17 #include "llvm/Support/Endian.h" 18 #include "llvm/Support/Error.h" 19 20 namespace llvm { 21 class BinaryStreamReader; 22 class BinaryStreamWriter; 23 24 namespace codeview { 25 class DebugFrameDataSubsectionRef final : public DebugSubsectionRef { 26 public: DebugFrameDataSubsectionRef()27 DebugFrameDataSubsectionRef() 28 : DebugSubsectionRef(DebugSubsectionKind::FrameData) {} classof(const DebugSubsection * S)29 static bool classof(const DebugSubsection *S) { 30 return S->kind() == DebugSubsectionKind::FrameData; 31 } 32 33 LLVM_ABI Error initialize(BinaryStreamReader Reader); 34 LLVM_ABI Error initialize(BinaryStreamRef Stream); 35 begin()36 FixedStreamArray<FrameData>::Iterator begin() const { return Frames.begin(); } end()37 FixedStreamArray<FrameData>::Iterator end() const { return Frames.end(); } 38 getRelocPtr()39 const support::ulittle32_t *getRelocPtr() const { return RelocPtr; } 40 41 private: 42 const support::ulittle32_t *RelocPtr = nullptr; 43 FixedStreamArray<FrameData> Frames; 44 }; 45 46 class LLVM_ABI DebugFrameDataSubsection final : public DebugSubsection { 47 public: DebugFrameDataSubsection(bool IncludeRelocPtr)48 DebugFrameDataSubsection(bool IncludeRelocPtr) 49 : DebugSubsection(DebugSubsectionKind::FrameData), 50 IncludeRelocPtr(IncludeRelocPtr) {} classof(const DebugSubsection * S)51 static bool classof(const DebugSubsection *S) { 52 return S->kind() == DebugSubsectionKind::FrameData; 53 } 54 55 uint32_t calculateSerializedSize() const override; 56 Error commit(BinaryStreamWriter &Writer) const override; 57 58 void addFrameData(const FrameData &Frame); 59 void setFrames(ArrayRef<FrameData> Frames); 60 61 private: 62 bool IncludeRelocPtr = false; 63 std::vector<FrameData> Frames; 64 }; 65 } 66 } 67 68 #endif 69