imgtools/imgcheck/libimgutils/src/e32reader.cpp
author timothy.murphy@nokia.com
Tue, 11 May 2010 20:22:35 +0100
branchfix
changeset 549 d633be326c9f
parent 0 044383f39525
child 590 360bd6b35136
permissions -rw-r--r--
fix: depcrunch was using re.match where re.findall was what was wanted. Add a test.
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/*
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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/**
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 @file
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 @internalComponent
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 @released
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*/
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#include "e32reader.h"
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#include <f32image.h>
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/** 
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Constructor.
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@internalComponent
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@released
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*/
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E32Image::E32Image()
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:E32ImageFile()
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{
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}
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/** 
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Destructor.
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@internalComponent
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@released
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*/
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E32Image::~E32Image()
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{
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}
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/** 
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Function responsible to read the import section of an e32 image and return the dependency names.
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@internalComponent
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@released
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@param aCount - Number of imports found
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@return - returns the two dimensional 
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*/
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char** E32Image::GetImportExecutableNames(int& aCount)
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{
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	const E32ImportSection* isection = (const E32ImportSection*)(iData + iOrigHdr->iImportOffset);
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	const E32ImportBlock* impBlock = (const E32ImportBlock*)(isection + 1);
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	char** nameList = (char**)malloc(iOrigHdr->iDllRefTableCount * sizeof(char*));
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	aCount = iOrigHdr->iDllRefTableCount;
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	for (int d = 0; d < iOrigHdr->iDllRefTableCount; ++d)
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		{
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			char* dllname = iData + iOrigHdr->iImportOffset + impBlock->iOffsetOfDllName;
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			char* curlyStart = strchr(dllname, '{');
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			char* dotStart = strrchr(dllname, '.');
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			dllname[curlyStart - dllname] = '\0';
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			strcat(dllname,dotStart);
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			nameList[d] = dllname;
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			TUint impfmt = iOrigHdr->ImportFormat();
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			impBlock = impBlock->NextBlock(impfmt); //Get next import block
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		}
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	return nameList;	
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}
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/** 
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Constructor intializes the class pointer members.
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@internalComponent
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@released
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@param aImageName - image file name
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*/
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E32Reader::E32Reader(char* aImageName)
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:ImageReader(aImageName)
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{
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	iInputStream.open(iImgFileName.c_str(), Ios::binary | Ios::in);
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	int fwdSlashOff = iImgFileName.find_last_of('/');
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	int bwdSlashOff = iImgFileName.find_last_of('\\');
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	int exeNameOff = (fwdSlashOff > bwdSlashOff) ? fwdSlashOff : bwdSlashOff;
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	iExeName = iImgFileName.substr(exeNameOff + 1);
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}
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/** 
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Destructor deletes the class pointer members.
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@internalComponent
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@released
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*/
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E32Reader::~E32Reader()
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{
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	iInputStream.close();
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	DELETE(iE32Image);
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}
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/** 
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Function responsible to say whether it is an e32 image or not.
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@internalComponent
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@released
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@param aImage - e32 image
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*/
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bool E32Reader::IsE32Image(char* aFile)
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{
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	if(E32Image::IsE32ImageFile(aFile))
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		return true;
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	return false;
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}
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/** 
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Funtion to read the whole e32 image file and write the contents into iData memeber
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@internalComponent
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@released
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*/
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void E32Reader::ReadImage()
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{
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	if( !iInputStream.is_open() )
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	{
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		cerr << "Error: " << "Can not open file" << iImgFileName.c_str() << endl;
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		exit(EXIT_FAILURE);
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	}
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	iE32Image = new E32Image();
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	iInputStream.seekg(0, Ios::end);
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	TUint32 aSz = iInputStream.tellg();
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	iInputStream.seekg(0, Ios::beg);
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	iE32Image->Adjust(aSz);
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	iE32Image->iFileSize = aSz;
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}
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/** 
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Function responsible to read the E32 image and put the data into E32ImageFile object.
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It is achieved using the operator >> overloaded function.
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@internalComponent
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@released
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*/
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void E32Reader::ProcessImage()
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{
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	iInputStream >> *iE32Image;
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	iExeAvailable = true;
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}
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/** 
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Function responsible to gather dependencies for one e32 image.
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@internalComponent
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@released
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@return iExeNamesVsDepListMap - returns all executable's dependencies
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*/
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ExeNamesVsDepListMap& E32Reader::GatherDependencies()
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{
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	int count=0;
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	char** nameList = iE32Image->GetImportExecutableNames(count);
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	int i = 0;
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	for(; i < count; ++i)
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	{
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		iDependencyList.push_back(String(nameList[i]));
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	}
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	iImageVsDepList.insert(std::make_pair(iExeName, iDependencyList));
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	return iImageVsDepList;
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}
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/** 
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Function responsible to return the dependency list of an e32 image.
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@internalComponent
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@released
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@return iDependencyList - returns all executable's dependencies
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*/
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const StringList& E32Reader::GetDependencyList()
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{
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	return iDependencyList;
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}
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/** 
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Function responsible prepare the ExeVsId map.
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@internalComponent
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@released
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*/
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void E32Reader::PrepareExeVsIdMap()
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{
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	IdData* id;
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	if(iExeVsIdData.size() == 0) //Is not already prepared
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	{
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		id = new IdData;
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		id->iUid = iE32Image->iOrigHdr->iUid1;
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		id->iDbgFlag = (iE32Image->iOrigHdr->iFlags & KImageDebuggable)? true : false;
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		TUint aHeaderFmt = E32ImageHeader::HdrFmtFromFlags(iE32Image->iOrigHdr->iFlags);
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		if (aHeaderFmt >= KImageHdrFmt_V)
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		{
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			E32ImageHeaderV* v = iE32Image->iHdr;
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			id->iSid = v->iS.iSecureId;
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			id->iVid = v->iS.iVendorId;
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		}
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		id->iFileOffset = 0;
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		iExeVsIdData[iExeName] = id;
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	}
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	id = KNull;
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}
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/** 
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Function responsible to return the Executable versus IdData container. 
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@internalComponent
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@released
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@return - returns iExeVsIdData
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*/
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const ExeVsIdDataMap& E32Reader::GetExeVsIdMap() const
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{
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	return iExeVsIdData;
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}