// 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__