kerneltest/e32test/debug/d_codemodifier.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:45:50 +0200
branchRCL_3
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Revision: 201010 Kit: 201010
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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\debug\d_codemodifier.h
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// 
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//
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#ifndef __D_CODEMODIFIER_H__
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#define __D_CODEMODIFIER_H__
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#include <e32cmn.h>
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#ifndef __KERNEL_MODE__
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#include <e32std.h>
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#endif
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_LIT(KCodeModifierName,"d_codemodifier");
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/**
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The user side class for controlling trace handler hook.
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*/
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class RCodeModifierDevice : public RBusLogicalChannel
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	{
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public:
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	enum TControl
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		{
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		EControlThreadId,
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		EInitialiseCodeModifier,
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		ECloseCodeModifier,
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		EControlWriteCode, 
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		EControlRestoreCode,
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		EControlReadWord,
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		EControlWriteWord,
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		EControlAllocShadowPage,
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		EControlFreeShadowPage
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		};
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	//Used by all device calls	
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	struct TData
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		{
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		TData(){};
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		TData(TInt aServer, TInt aThreadId, TUint aAddress, TInt aSize):
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		iServer(aServer),iThreadId(aThreadId),iAddress(aAddress),iSize(aSize){};
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		TInt  iServer; //0-XIP server, otherwise - NONXIP server
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		TInt  iThreadId; //threadID
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		TUint iAddress; 
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		TInt iSize;
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		};
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public:
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#ifndef __KERNEL_MODE__
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	TInt Open()
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		{return DoCreate(KCodeModifierName,TVersion(1,0,0),KNullUnit,NULL,NULL);}
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	TInt InitialiseCodeModifier(TInt aSize)
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		{TData data(0,0,0,aSize);return DoControl(EInitialiseCodeModifier, reinterpret_cast<TAny*>(&data));}
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	TInt CloseCodeModifier()
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		{TData data(0,0,0,0);return DoControl(ECloseCodeModifier, reinterpret_cast<TAny*>(&data));}
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	TInt ThreadId(TInt aServer, TInt aThreadId)
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		{TData data(aServer,aThreadId,0,0);	return DoControl(EControlThreadId, reinterpret_cast<TAny*>(&data));}
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	TInt ReadWord(TInt aServer, TInt aAddress, TInt* aValue)
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		{TData data(aServer,0,aAddress,0);	return DoControl(EControlReadWord, reinterpret_cast<TAny*>(&data), reinterpret_cast<TAny*>(aValue));}
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	TInt WriteWord(TInt aServer, TInt aAddress, TInt aValue)
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		{TData data(aServer,0,aAddress,0);	return DoControl(EControlWriteWord, reinterpret_cast<TAny*>(&data), reinterpret_cast<TAny*>(aValue));}
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	TInt WriteCode(TInt aServer, TUint aAddress, TInt aValue, TInt aSize)
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		{TData data(aServer,0,aAddress,aSize);return DoControl(EControlWriteCode, reinterpret_cast<TAny*>(&data), reinterpret_cast<TAny*>(aValue));}
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	TInt RestoreCode(TInt aServer, TUint aAddress)
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		{TData data(aServer,0,aAddress,0);	return DoControl(EControlRestoreCode, reinterpret_cast<TAny*>(&data));}
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	TInt AllocShadowPage(TInt aAddress)
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		{TData data(0,0,aAddress,0);return DoControl(EControlAllocShadowPage, reinterpret_cast<TAny*>(&data));}
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	TInt FreeShadowPage(TInt aAddress)
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		{TData data(0,0,aAddress,0);return DoControl(EControlFreeShadowPage, reinterpret_cast<TAny*>(&data));}
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#endif //__KERNEL_MODE__
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	};
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#endif //__D_LOGTOFILE_H__