include/llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h

   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