diff -r 000000000000 -r 83f4b4db085c toolsandutils/e32tools/elf2e32/source/pl_elfrelocation.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolsandutils/e32tools/elf2e32/source/pl_elfrelocation.cpp Tue Feb 02 01:39:43 2010 +0200 @@ -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; + } +} + +