1 files changed, 84 insertions, 0 deletions
diff --git a/src/debug/daccess/datatargetadapter.h b/src/debug/daccess/datatargetadapter.h
new file mode 100644
index 0000000000..d2620c88e1
--- /dev/null
+++ b/src/debug/daccess/datatargetadapter.h
@@ -0,0 +1,84 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//*****************************************************************************
+// DataTargetAdapter.h
+// 
+
+// 
+// header for compatibility adapter for ICLRDataTarget
+//*****************************************************************************
+
+#ifndef DATATARGETADAPTER_H_
+#define DATATARGETADAPTER_H_
+
+#include <cordebug.h>
+
+// Forward decl to avoid including clrdata.h here (it's use is being deprecated)
+interface ICLRDataTarget;
+
+/*
+ * DataTargetAdapter - implements the new ICorDebugDataTarget interfaces
+ * by wrapping legacy ICLRDataTarget implementations.  New code should use
+ * ICorDebugDataTarget, but we must continue to support ICLRDataTarget
+ * for dbgeng (watson, windbg, etc.) and for any other 3rd parties since 
+ * it is a documented API for dump generation.
+ */
+class DataTargetAdapter : public ICorDebugMutableDataTarget
+{
+public:
+    // Create an adapter over the supplied legacy data target interface
+    DataTargetAdapter(ICLRDataTarget * pLegacyTarget);
+    virtual ~DataTargetAdapter();
+
+    //
+    // IUnknown.
+    //        
+    virtual HRESULT STDMETHODCALLTYPE QueryInterface(
+        REFIID riid,
+        void** ppInterface);
+
+    virtual ULONG STDMETHODCALLTYPE AddRef();
+
+    virtual ULONG STDMETHODCALLTYPE Release();
+
+    //
+    // ICorDebugMutableDataTarget.
+    //
+    
+    virtual HRESULT STDMETHODCALLTYPE GetPlatform( 
+        CorDebugPlatform *pPlatform);
+
+    virtual HRESULT STDMETHODCALLTYPE ReadVirtual( 
+        CORDB_ADDRESS address,
+        PBYTE pBuffer,
+        ULONG32 request,
+        ULONG32 *pcbRead);
+
+    virtual HRESULT STDMETHODCALLTYPE WriteVirtual( 
+        CORDB_ADDRESS address,
+        const BYTE * pBuffer,
+        ULONG32 request);
+
+    virtual HRESULT STDMETHODCALLTYPE GetThreadContext(
+        DWORD dwThreadID,
+        ULONG32 contextFlags,
+        ULONG32 contextSize,
+        PBYTE context);
+
+    virtual HRESULT STDMETHODCALLTYPE SetThreadContext(
+        DWORD dwThreadID,
+        ULONG32 contextSize,
+        const BYTE * context);
+
+    virtual HRESULT STDMETHODCALLTYPE ContinueStatusChanged(
+        DWORD dwThreadId,
+        CORDB_CONTINUE_STATUS continueStatus);
+
+private:
+    LONG m_ref;                         // Reference count.
+    ICLRDataTarget * m_pLegacyTarget;   // underlying data target
+};
+
+
+#endif //DATATARGETADAPTER_H_