e32tools/elf2e32/source/pl_elfrelocation.cpp
changeset 0 044383f39525
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/e32tools/elf2e32/source/pl_elfrelocation.cpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,106 @@
+// 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 ElfRelocation for the elf2e32 tool
+// @internalComponent
+// @released
+// 
+//
+
+#include "pl_elfrelocation.h"
+#include "pl_elfimportrelocation.h"
+#include "pl_elflocalrelocation.h"
+#include "pl_dllsymbol.h"
+
+/**
+Constructor for class ElfRelocation
+@param aElfExec - Instance of class ELfExecutable
+@param aAddr
+@param aAddend
+@param aIndex
+@param aRelType - Relocation type
+@param aRel
+@internalComponent
+@released
+*/
+ElfRelocation::ElfRelocation(ElfExecutable *aElfExec, PLMemAddr32 aAddr, \
+			PLUINT32 aAddend, PLUINT32 aIndex, PLUCHAR aRelType, \
+			Elf32_Rel* aRel) : iAddr(aAddr), iAddend(aAddend), \
+			iSymNdx(aIndex), iRelType(aRelType), iRel(aRel),  iElfExec(aElfExec)
+{
+}
+
+
+
+/**
+Destructor for class ElfRelocation
+@internalComponent
+@released
+*/
+ElfRelocation::~ElfRelocation(){
+
+}
+
+
+/**
+Function to create new relocation entry
+@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
+@param aImportRel - Import relocation
+@internalComponent
+@released
+*/
+ElfRelocation* ElfRelocation::NewRelocEntry(ElfExecutable *aElfExec, PLMemAddr32 aAddr, \
+				PLUINT32 aAddend, PLUINT32 aIndex, PLUCHAR aRelType, \
+				void* aRel, bool aImportRel)
+{
+	ElfRelocation	*aReloc = NULL;
+	if(aImportRel)
+		aReloc = new ElfImportRelocation(aElfExec, aAddr, aAddend, aIndex, aRelType, (Elf32_Rel*)aRel);
+	else
+		aReloc = new ElfLocalRelocation(aElfExec, aAddr, aAddend, aIndex, aRelType, (Elf32_Rel*)aRel);
+
+	return aReloc;
+}
+
+
+/**
+This function verifies if the relocation entry is required to be
+handled by the postlinker.
+@param aType - type of relocation
+@return - True if valid relocation type, otherwise false
+@internalComponent
+@released
+*/
+bool ElfRelocation::ValidRelocEntry(PLUCHAR aType) {
+	
+	switch(aType)
+	{
+	case R_ARM_ABS32:
+	case R_ARM_GLOB_DAT:
+	case R_ARM_JUMP_SLOT:
+	case R_ARM_RELATIVE:
+	case R_ARM_GOT_BREL:
+		return true;
+	case R_ARM_NONE:
+		return false;
+	default:
+		return false;
+	}
+}
+
+