diff -r 000000000000 -r 96e5fb8b040d kernel/eka/debug/crashMonitor/src/scmvariantdata.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/debug/crashMonitor/src/scmvariantdata.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,139 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32\kernel\scmvariantdata.cpp
+// Core dump server - Variant Data for System Crash
+// 
+//
+
+#include <scmdatatypes.h>
+
+namespace Debug
+	{
+	/**
+	 * TVariantSpecificData implementation
+	 * @internal technology
+	 */
+	
+	/**
+	 * TVariantSpecificData constructor
+	 */
+	TVariantSpecificData::TVariantSpecificData() :
+		iId(ESCMVariantData)
+		,iVersion(EVariantSpecificDataVersion1)
+		,iSize(0)
+		{			
+		}
+	
+	/**
+	 * Writes this classes data to the specified byte stream
+	 * @param aWriter byte stream to use
+	 * @return void
+	 */	
+	TInt TVariantSpecificData::Serialize(TByteStreamWriter& aWriter)
+		{
+		TInt startPos = aWriter.CurrentPosition();
+		
+		if(iId != ESCMVariantData)
+			{
+			CLTRACE("TVariantSpecificData::Serialize Corrupt ID");
+			return KErrCorrupt;
+			}
+
+		// ID saved first 
+		aWriter.WriteInt(iId);		 				    // 4		
+		
+		aWriter.WriteShort((TUint16) iVersion);			// 2
+
+		if(iVersion == EVariantSpecificDataVersion1)
+			{
+			// write data v1 format					
+			aWriter.WriteInt(iSize); 			 	// 4
+			}
+		else
+			{
+			CLTRACE("TVariantSpecificData::Serialize Unsupported version");
+			return KErrCorrupt;
+			}
+		
+		TInt endPos = aWriter.CurrentPosition();
+		if( endPos - startPos != GetSize())
+			{
+			// error between actual size & real size in data
+			CLTRACE("TVariantSpecificData::Serialize serialization size error");	
+			return KErrCorrupt;
+			}
+		
+		return KErrNone;
+		}
+	
+	/**
+	 * Reads the classes data from the specified byte stream
+	 * @param aReader Byte stream to use
+	 * @return void
+	 */
+	TInt TVariantSpecificData::Deserialize(TByteStreamReader& aReader)
+		{
+		TInt startPos = aReader.CurrentPosition();
+		
+		iId = (SCMStructId)aReader.ReadInt();					// 4
+		if(iId != ESCMVariantData)
+			{
+			CLTRACE("TVariantSpecificData::Deserialize Corrupt ID read");
+			return KErrCorrupt;
+			}
+		
+		iVersion = (TVariantSpecificDataVersion)aReader.ReadShort();			// 2
+
+		if(iVersion == EVariantSpecificDataVersion1)
+			{
+			// read data v1 format	
+			iSize = aReader.ReadInt();		 				// 4
+			}
+		else
+			{
+			iId = ESCMLast;	//unrecognised header
+			CLTRACE("TVariantSpecificData::Deserialize Unsupported version");
+			return KErrCorrupt;
+			}
+		
+		TInt endPos = aReader.CurrentPosition();
+		if( endPos - startPos != GetSize())
+			{
+			iId = ESCMLast;	//unrecognised header
+			
+			// error between actual size & real size in data
+			CLTRACE("TVariantSpecificData::Deserialize serialization size error");	
+			return KErrCorrupt;
+			}
+		return KErrNone;
+		}
+	
+	/**
+	 * Returns the externalised size of this class
+	 * @return TInt size
+	 */
+	TInt TVariantSpecificData::GetSize() const
+		{
+		if(iVersion == EVariantSpecificDataVersion1)
+			{
+			return 10;
+			}
+		else
+			{
+			CLTRACE("TThreadData::GetSize Unsupported version");			
+			return KErrNotSupported;		
+			}
+		}
+	
+	}