// Copyright (c) 1995-2009 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:

// e32\memmodel\epoc\pprocess.cpp

// 

//

#include "plat_priv.h"

#include <kernel/cache.h>

#ifdef KDLL

GLREF_C void DumpCodeSegCreateInfo(TCodeSegCreateInfo& a);

#endif

TInt DEpocProcess::AttachExistingCodeSeg(TProcessCreateInfo& aInfo)

	{

	CHECK_PAGING_SAFE;

	__KTRACE_OPT(KDLL,Kern::Printf("DEpocProcess %O AttachExistingCodeSeg",this));

	__KTRACE_OPT(KDLL,DumpCodeSegCreateInfo(aInfo));

	DEpocCodeSeg& s=*(DEpocCodeSeg*)iTempCodeSeg;

	if (s.iAttachProcess && s.iAttachProcess!=this)

		return KErrAlreadyExists;

	TInt r=CreateDataBssStackArea(aInfo);

	if (r==KErrNone)

		{

		TLinAddr dra;

		if (s.iXIP)

			{

			const TRomImageHeader& rih=s.RomInfo();

			aInfo.iExportDir=rih.iExportDir;

			aInfo.iCodeLoadAddress=rih.iCodeAddress;

			aInfo.iCodeRunAddress=rih.iCodeAddress;

			aInfo.iDataLoadAddress=rih.iDataAddress;

			dra=aInfo.iDataRunAddress=rih.iDataBssLinearBase;

			}

		else

			{

			SRamCodeInfo& ri=s.RamInfo();

			aInfo.iExportDir=ri.iExportDir;

			aInfo.iCodeLoadAddress=ri.iCodeLoadAddr;

			aInfo.iCodeRunAddress=ri.iCodeRunAddr;

			aInfo.iDataLoadAddress=ri.iDataLoadAddr;

			dra=aInfo.iDataRunAddress=ri.iDataRunAddr;

			}

		if (aInfo.iTotalDataSize && iDataBssRunAddress!=dra)

			return KErrNotSupported;

		}

	aInfo.iEntryPtVeneer=s.iEntryPtVeneer;

	aInfo.iFileEntryPoint=s.iFileEntryPoint;

	__KTRACE_OPT(KDLL,DumpCodeSegCreateInfo(aInfo));

	__KTRACE_OPT(KDLL,Kern::Printf("DEpocProcess::AttachExistingCodeSeg returns %d",r));

	return r;

	}