sl@0: // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\memmodel\epoc\pprocess.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "plat_priv.h"
sl@0: #include <kernel/cache.h>
sl@0: 
sl@0: #ifdef KDLL
sl@0: GLREF_C void DumpCodeSegCreateInfo(TCodeSegCreateInfo& a);
sl@0: #endif
sl@0: 
sl@0: TInt DEpocProcess::AttachExistingCodeSeg(TProcessCreateInfo& aInfo)
sl@0: 	{
sl@0: 	CHECK_PAGING_SAFE;
sl@0: 	__KTRACE_OPT(KDLL,Kern::Printf("DEpocProcess %O AttachExistingCodeSeg",this));
sl@0: 	__KTRACE_OPT(KDLL,DumpCodeSegCreateInfo(aInfo));
sl@0: 	DEpocCodeSeg& s=*(DEpocCodeSeg*)iTempCodeSeg;
sl@0: 	if (s.iAttachProcess && s.iAttachProcess!=this)
sl@0: 		return KErrAlreadyExists;
sl@0: 	TInt r=CreateDataBssStackArea(aInfo);
sl@0: 	if (r==KErrNone)
sl@0: 		{
sl@0: 		TLinAddr dra;
sl@0: 		if (s.iXIP)
sl@0: 			{
sl@0: 			const TRomImageHeader& rih=s.RomInfo();
sl@0: 			aInfo.iExportDir=rih.iExportDir;
sl@0: 			aInfo.iCodeLoadAddress=rih.iCodeAddress;
sl@0: 			aInfo.iCodeRunAddress=rih.iCodeAddress;
sl@0: 			aInfo.iDataLoadAddress=rih.iDataAddress;
sl@0: 			dra=aInfo.iDataRunAddress=rih.iDataBssLinearBase;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			SRamCodeInfo& ri=s.RamInfo();
sl@0: 			aInfo.iExportDir=ri.iExportDir;
sl@0: 			aInfo.iCodeLoadAddress=ri.iCodeLoadAddr;
sl@0: 			aInfo.iCodeRunAddress=ri.iCodeRunAddr;
sl@0: 			aInfo.iDataLoadAddress=ri.iDataLoadAddr;
sl@0: 			dra=aInfo.iDataRunAddress=ri.iDataRunAddr;
sl@0: 			}
sl@0: 		if (aInfo.iTotalDataSize && iDataBssRunAddress!=dra)
sl@0: 			return KErrNotSupported;
sl@0: 		}
sl@0: 	aInfo.iEntryPtVeneer=s.iEntryPtVeneer;
sl@0: 	aInfo.iFileEntryPoint=s.iFileEntryPoint;
sl@0: 	__KTRACE_OPT(KDLL,DumpCodeSegCreateInfo(aInfo));
sl@0: 	__KTRACE_OPT(KDLL,Kern::Printf("DEpocProcess::AttachExistingCodeSeg returns %d",r));
sl@0: 	return r;
sl@0: 	}