1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\memmodel\epoc\pprocess.cpp

    15 // 

    16 //

    17 

    18 #include "plat_priv.h"

    19 #include <kernel/cache.h>

    20 

    21 #ifdef KDLL

    22 GLREF_C void DumpCodeSegCreateInfo(TCodeSegCreateInfo& a);

    23 #endif

    24 

    25 TInt DEpocProcess::AttachExistingCodeSeg(TProcessCreateInfo& aInfo)

    26 	{

    27 	CHECK_PAGING_SAFE;

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

    29 	__KTRACE_OPT(KDLL,DumpCodeSegCreateInfo(aInfo));

    30 	DEpocCodeSeg& s=*(DEpocCodeSeg*)iTempCodeSeg;

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

    32 		return KErrAlreadyExists;

    33 	TInt r=CreateDataBssStackArea(aInfo);

    34 	if (r==KErrNone)

    35 		{

    36 		TLinAddr dra;

    37 		if (s.iXIP)

    38 			{

    39 			const TRomImageHeader& rih=s.RomInfo();

    40 			aInfo.iExportDir=rih.iExportDir;

    41 			aInfo.iCodeLoadAddress=rih.iCodeAddress;

    42 			aInfo.iCodeRunAddress=rih.iCodeAddress;

    43 			aInfo.iDataLoadAddress=rih.iDataAddress;

    44 			dra=aInfo.iDataRunAddress=rih.iDataBssLinearBase;

    45 			}

    46 		else

    47 			{

    48 			SRamCodeInfo& ri=s.RamInfo();

    49 			aInfo.iExportDir=ri.iExportDir;

    50 			aInfo.iCodeLoadAddress=ri.iCodeLoadAddr;

    51 			aInfo.iCodeRunAddress=ri.iCodeRunAddr;

    52 			aInfo.iDataLoadAddress=ri.iDataLoadAddr;

    53 			dra=aInfo.iDataRunAddress=ri.iDataRunAddr;

    54 			}

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

    56 			return KErrNotSupported;

    57 		}

    58 	aInfo.iEntryPtVeneer=s.iEntryPtVeneer;

    59 	aInfo.iFileEntryPoint=s.iFileEntryPoint;

    60 	__KTRACE_OPT(KDLL,DumpCodeSegCreateInfo(aInfo));

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

    62 	return r;

    63 	}