--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/e32tools/elf2e32/source/pl_elflocalrelocation.cpp Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,158 @@
+// 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 ElfLocalRelocation for the elf2e32 tool
+// @internalComponent
+// @released
+//
+//
+
+#include "pl_elflocalrelocation.h"
+#include "pl_elfexecutable.h"
+#include "e32imagedefs.h"
+
+/**
+Constructor for class ElfLocalRelocation
+@param aElfExec - Instance of class ElfExecutable
+@param aAddr - location where the relocation refers to.
+@param aAddend - addend for the relocation entry
+@param aIndex - symbol index
+@param aRelType - Relocation type
+@param aRel - Elf relocation entry
+@internalComponent
+@released
+*/
+ElfLocalRelocation::ElfLocalRelocation(ElfExecutable *aElfExec, PLMemAddr32 aAddr, \
+ PLUINT32 aAddend, PLUINT32 aIndex, PLUCHAR aRelType, \
+ Elf32_Rel* aRel, bool aVeneerSymbol): \
+ ElfRelocation(aElfExec, aAddr, aAddend, aIndex, aRelType, aRel)
+{
+ iSegment = aElfExec->Segment( iAddr );
+ iSegmentType = aElfExec->SegmentType( iAddr );
+ iSymbol = &(aElfExec->iElfDynSym[iSymNdx]);
+ iDelSym = false;
+ iVeneerSymbol = aVeneerSymbol;
+}
+
+/**
+Constructor for class ElfLocalRelocation
+@param aElfExec - Instance of class ElfExecutable
+@param aAddr - location where the relocation refers to.
+@param aAddend - addend for the relocation entry
+@param aIndex
+@param aRelType - Relocation type
+@param aRel - Elf relocation entry
+@param aSegmentType - Segment type
+@param aSym - Elf symbol
+@param aDelSym - indicate if the symbol is to be deleted by this relocation.
+@internalComponent
+@released
+*/
+ElfLocalRelocation::ElfLocalRelocation(ElfExecutable *aElfExec, PLMemAddr32 aAddr, \
+ PLUINT32 aAddend, PLUINT32 aIndex, PLUCHAR aRelType, \
+ Elf32_Rel* aRel, ESegmentType aSegmentType, Elf32_Sym* aSym,bool aDelSym, bool aVeneerSymbol): \
+ ElfRelocation(aElfExec, aAddr, aAddend, aIndex, aRelType, aRel)
+{
+ iSegmentType = aSegmentType;
+ iSegment = aElfExec->Segment(aSegmentType);
+ //iSymbol = &(aElfExec->iElfDynSym[iSymNdx]);
+ iSymbol = aSym;
+ iDelSym = aDelSym;
+ iVeneerSymbol = aVeneerSymbol;
+}
+
+
+/**
+Destructor for class ElfLocalRelocation
+@internalComponent
+@released
+*/
+ElfLocalRelocation::~ElfLocalRelocation()
+{
+ if(iDelSym)
+ {
+ DELETE_PTR(iSymbol);
+ }
+
+}
+
+
+/**
+This function overrides the virtual function to indicate that this
+relocation is not an import relocation.
+@return false
+@internalComponent
+@released
+*/
+bool ElfLocalRelocation::IsImportRelocation(){
+ return false;
+}
+
+/**
+Function to add local relocations
+@internalComponent
+@released
+*/
+void ElfLocalRelocation::Add() {
+ iElfExec->AddToLocalRelocations(this);
+}
+
+/**
+This function adjusts the fixup for the relocation entry.
+@return - Relocation type
+@internalComponent
+@released
+*/
+PLUINT16 ElfLocalRelocation::Fixup()
+{
+ if(!ExportTableReloc() && !iVeneerSymbol)
+ {
+ Elf32_Word * aLoc = iElfExec->GetFixupLocation(this, iAddr);
+ Elf32_Word aLocVal = * aLoc;
+
+ if (iRelType == R_ARM_ABS32 || iRelType == R_ARM_GLOB_DAT )
+ {
+
+ Elf32_Word aFixedVal = aLocVal + iSymbol->st_value;
+ *aLoc = aFixedVal;
+ }
+ }
+
+ ESegmentType aType;
+ if( iSymbol )
+ aType = iElfExec->Segment(iSymbol);
+ else
+ aType = iSegmentType;
+
+ if (aType == ESegmentRO)
+ return KTextRelocType;
+ else if (aType == ESegmentRW)
+ return KDataRelocType;
+
+ // maybe this should be an error
+ return KInferredRelocType;
+}
+
+/**
+Function for export table relocation
+@return - True
+@internalComponent
+@released
+*/
+bool ElfLocalRelocation::ExportTableReloc()
+{
+ return iRel == 0;
+}
+
+
+