// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "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:

// Implementation of the Class ElfRelocations for the elf2e32 tool

// @internalComponent

// @released

// 

//

#include "pl_elfrelocations.h"

#include "pl_elflocalrelocation.h"

/**

Constructor for class ElfRelocations

@internalComponent

@released

*/

ElfRelocations::ElfRelocations() : \

	iCodeSortedP(false), iDataSortedP(false)

{

}

/**

Destructor for class ElfRelocations to release allocated memory

@internalComponent

@released

*/

ElfRelocations::~ElfRelocations()

{

	if(iCodeRelocations.size())

	{

		RelocationList::iterator aItr = iCodeRelocations.begin();

		RelocationList::iterator last = iCodeRelocations.end();

		ElfLocalRelocation *temp;

		while( aItr != last)

		{

			temp = *aItr;

			aItr++;

			delete temp;

		}

		iCodeRelocations.clear();

	}

	if(iDataRelocations.size())

	{

		RelocationList::iterator aItr = iDataRelocations.begin();

		RelocationList::iterator last = iDataRelocations.end();

		ElfLocalRelocation *temp;

		while( aItr != last)

		{

			temp = *aItr;

			aItr++;

			delete temp;

		}

		iDataRelocations.clear();

	}

}

/**

Function for adding Elf local Relocations.

@internalComponent

@released

@return 0 if therelocation is valid.

*/

PLUINT32 ElfRelocations::Add(ElfLocalRelocation* aReloc){

	if(!aReloc) return 1;

	switch (aReloc->iSegmentType)

	{

	case ESegmentRO:

		iCodeSortedP = false;

		iCodeRelocations.push_back(aReloc);

		break;

	case ESegmentRW:

		iDataSortedP = false;

		iDataRelocations.push_back(aReloc);

		break;

	default:

		;

	}

	return 0;

}

/**

Function for getting code relocations. The reloc entries are

sorted on the address they refer to.

@internalComponent

@released

@return list of code relocation

*/

ElfRelocations::RelocationList & ElfRelocations::GetCodeRelocations()

{

	if (!iCodeSortedP) 

	{

		iCodeRelocations.sort(Cmp());

		iCodeSortedP = true;

	}

  return iCodeRelocations;

}

/**

Function for getting data relocations. The reloc entries are

sorted on the address they refer to.

@internalComponent

@released

@return list of code relocation

*/

ElfRelocations::RelocationList & ElfRelocations::GetDataRelocations()

{

	if (!iDataSortedP) 

	{

		iDataRelocations.sort(Cmp());

		iDataSortedP = true;

	}

  return iDataRelocations;

}

/**

Overloaded operator for comparing location the relocations refer to.

@internalComponent

@released

@return comparison of both relocation

*/

bool ElfRelocations::Cmp::operator()(ElfRelocation * x, ElfRelocation * y)

{

	return x->iAddr < y->iAddr;

}