1 files changed, 63 insertions, 0 deletions
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h
new file mode 100644
index 000000000000..d5cd640231f9
--- /dev/null
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h
@@ -0,0 +1,63 @@
+//===- DebugFrameDataSubsection.h ------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGFRAMEDATASUBSECTION_H
+#define LLVM_DEBUGINFO_CODEVIEW_DEBUGFRAMEDATASUBSECTION_H
+
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+
+namespace llvm {
+namespace codeview {
+class DebugFrameDataSubsectionRef final : public DebugSubsectionRef {
+public:
+  DebugFrameDataSubsectionRef()
+      : DebugSubsectionRef(DebugSubsectionKind::FrameData) {}
+  static bool classof(const DebugSubsection *S) {
+    return S->kind() == DebugSubsectionKind::FrameData;
+  }
+
+  Error initialize(BinaryStreamReader Reader);
+  Error initialize(BinaryStreamRef Stream);
+
+  FixedStreamArray<FrameData>::Iterator begin() const { return Frames.begin(); }
+  FixedStreamArray<FrameData>::Iterator end() const { return Frames.end(); }
+
+  const support::ulittle32_t *getRelocPtr() const { return RelocPtr; }
+
+private:
+  const support::ulittle32_t *RelocPtr = nullptr;
+  FixedStreamArray<FrameData> Frames;
+};
+
+class DebugFrameDataSubsection final : public DebugSubsection {
+public:
+  DebugFrameDataSubsection(bool IncludeRelocPtr)
+      : DebugSubsection(DebugSubsectionKind::FrameData),
+        IncludeRelocPtr(IncludeRelocPtr) {}
+  static bool classof(const DebugSubsection *S) {
+    return S->kind() == DebugSubsectionKind::FrameData;
+  }
+
+  uint32_t calculateSerializedSize() const override;
+  Error commit(BinaryStreamWriter &Writer) const override;
+
+  void addFrameData(const FrameData &Frame);
+  void setFrames(ArrayRef<FrameData> Frames);
+
+private:
+  bool IncludeRelocPtr = false;
+  std::vector<FrameData> Frames;
+};
+}
+}
+
+#endif