Home | History | Annotate | Line # | Download | only in CodeView 
      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:
     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 
     36 private:
     37   const support::ulittle32_t *RelocPtr = nullptr;
     38   FixedStreamArray<FrameData> Frames;
     39 };
     40 
     41 class DebugFrameDataSubsection final : public DebugSubsection {
     42 public:
     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 
     56 private:
     57   bool IncludeRelocPtr = false;
     58   std::vector<FrameData> Frames;
     59 };
     60 }
     61 }
     62 
     63 #endif
     64