diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/e32test/debug/d_codemodifier.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/e32test/debug/d_codemodifier.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,95 @@
+// Copyright (c) 2005-2009 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:
+// e32test\debug\d_codemodifier.h
+// 
+//
+
+#ifndef __D_CODEMODIFIER_H__
+#define __D_CODEMODIFIER_H__
+
+#include <e32cmn.h>
+#ifndef __KERNEL_MODE__
+#include <e32std.h>
+#endif
+
+_LIT(KCodeModifierName,"d_codemodifier");
+
+/**
+The user side class for controlling trace handler hook.
+*/
+class RCodeModifierDevice : public RBusLogicalChannel
+	{
+public:
+	enum TControl
+		{
+		EControlThreadId,
+
+		EInitialiseCodeModifier,
+		ECloseCodeModifier,
+
+		EControlWriteCode, 
+		EControlRestoreCode,
+
+		EControlReadWord,
+		EControlWriteWord,
+
+		EControlAllocShadowPage,
+		EControlFreeShadowPage
+		};
+
+	//Used by all device calls	
+	struct TData
+		{
+		TData(){};
+		TData(TInt aServer, TInt aThreadId, TUint aAddress, TInt aSize):
+		iServer(aServer),iThreadId(aThreadId),iAddress(aAddress),iSize(aSize){};
+		
+		TInt  iServer; //0-XIP server, otherwise - NONXIP server
+		TInt  iThreadId; //threadID
+		TUint iAddress; 
+		TInt iSize;
+		};
+public:
+#ifndef __KERNEL_MODE__
+	TInt Open()
+		{return DoCreate(KCodeModifierName,TVersion(1,0,0),KNullUnit,NULL,NULL);}
+
+	TInt InitialiseCodeModifier(TInt aSize)
+		{TData data(0,0,0,aSize);return DoControl(EInitialiseCodeModifier, reinterpret_cast<TAny*>(&data));}
+	TInt CloseCodeModifier()
+		{TData data(0,0,0,0);return DoControl(ECloseCodeModifier, reinterpret_cast<TAny*>(&data));}
+
+	TInt ThreadId(TInt aServer, TInt aThreadId)
+		{TData data(aServer,aThreadId,0,0);	return DoControl(EControlThreadId, reinterpret_cast<TAny*>(&data));}
+
+	TInt ReadWord(TInt aServer, TInt aAddress, TInt* aValue)
+		{TData data(aServer,0,aAddress,0);	return DoControl(EControlReadWord, reinterpret_cast<TAny*>(&data), reinterpret_cast<TAny*>(aValue));}
+	TInt WriteWord(TInt aServer, TInt aAddress, TInt aValue)
+		{TData data(aServer,0,aAddress,0);	return DoControl(EControlWriteWord, reinterpret_cast<TAny*>(&data), reinterpret_cast<TAny*>(aValue));}
+
+	TInt WriteCode(TInt aServer, TUint aAddress, TInt aValue, TInt aSize)
+		{TData data(aServer,0,aAddress,aSize);return DoControl(EControlWriteCode, reinterpret_cast<TAny*>(&data), reinterpret_cast<TAny*>(aValue));}
+	TInt RestoreCode(TInt aServer, TUint aAddress)
+		{TData data(aServer,0,aAddress,0);	return DoControl(EControlRestoreCode, reinterpret_cast<TAny*>(&data));}
+
+
+	TInt AllocShadowPage(TInt aAddress)
+		{TData data(0,0,aAddress,0);return DoControl(EControlAllocShadowPage, reinterpret_cast<TAny*>(&data));}
+	TInt FreeShadowPage(TInt aAddress)
+		{TData data(0,0,aAddress,0);return DoControl(EControlFreeShadowPage, reinterpret_cast<TAny*>(&data));}
+
+#endif //__KERNEL_MODE__
+	};
+
+#endif //__D_LOGTOFILE_H__