/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  Declaration of the class RAnalyzeToolMemoryAllocator.

*

*/

#ifndef ANALYZETOOLMEMORYALLOCATOR_H

#define ANALYZETOOLMEMORYALLOCATOR_H

// INCLUDES

#include <u32std.h>

#include "threadstack.h"

#include "../../symbian_version.hrh"

// CONSTANTS

#if ( SYMBIAN_VERSION_SUPPORT >= SYMBIAN_3 )

    #ifndef __WINS__

    const TInt KDummyHandle = -1000;

    #endif

#endif

// CLASS DECLARATION

/**

*  Abstract class for basic RAnalyzeToolMemoryAllocator funtions

*/

class RAnalyzeToolMemoryAllocator : public RAllocator

    {

    public:

        /**

        * C++ default constructor.

        * @param aNotFirst Is this first thread using this heap

        */   

        RAnalyzeToolMemoryAllocator( TBool aNotFirst );

        /**

        * Destructor.

        */  

        //lint -e{1510} suppress "base class 'RAllocator' has no destructor"    

        virtual ~RAnalyzeToolMemoryAllocator();

        /**

        * Uninstall the RAnalyzeToolMemoryAllocator

        */

        virtual void Uninstall() = 0;

        /**

        * Shares the heap for another thread

        */

        virtual void ShareHeap() = 0;

    protected:

        /**

         * Switch original allocator in use.

         * Switches original allocator in use if not already.

         */

        void SwitchOriginalAllocator();

        /**

         * Checks is the given address in loaded code memory area.

         */

        inline bool IsAddressLoadedCode( TUint32& aAddress );

        /* The original thread RAllocator */

        RAllocator* iAllocator;

        /* Is this the first thread using this heap */

        TBool iNotFirst;   

        /* Memorymodel */

        TUint32 iMemoryModel;

    };

// INLINES

#include "analyzetoolmemoryallocator.inl"

#endif // ANALYZETOOLMEMORYALLOCATOR_H

// End of File