e32tools/elf2e32/source/pl_elfrelocations.cpp
changeset 0 044383f39525
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/e32tools/elf2e32/source/pl_elfrelocations.cpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,142 @@
+// 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;
+}
+
+