// 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:

//

#include <d32btrace.h>

class TBTraceBufferK

	{

public:

	TLinAddr			iAddress;

	TUint				iStart;

	TUint				iEnd;

	TUint				iHead;

	volatile TInt		iRequestDataSize;

	TUint8*				iRecordOffsets;

	TUint				iDropped;

	DChunk*				iBufferChunk;

	volatile TDfc*		iWaitingDfc;

	BTrace::THandler	iOldBTraceHandler;

	BTrace::TControlFunction	iOldBTraceControl;

	TBool				iTimestamp2Enabled;

	TUint				iCrashReadPart;

public:

	TInt Create(TInt aSize);

	void Close();

	void Reset(TUint aMode);

	TInt RequestData(TInt aSize, TDfc* aDfc);

	static TBool Trace(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra,const TUint32 aPc);

	static TBool TraceWithTimestamp2(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra,const TUint32 aPc);	

	static TInt ControlFunction(BTrace::TControl aFunction, TAny* aArg1, TAny* aArg2);

	void CrashRead(TUint8*& aData, TUint& aSize);

private:

	static TBool Trace_Impl(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra, const TUint32 aPc, const TBool aIncTimestamp2);

	};

extern TBTraceBufferK Buffer;

/**

If this macro is defined a timestamp is added to each fast-trace record; if supported by the platform.

*/

#define BTRACE_INCLUDE_TIMESTAMPS

#ifdef __MARM__

#ifndef __SMP__

#define BTRACE_DRIVER_MACHINE_CODED

#endif

#endif