Updated to iMaker version 10.24.01, 14-Jun-2010.
// 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:
//
#include "e32exporttable.h"
#include "pl_elfexecutable.h"
#include "pl_elfexports.h"
#include "pl_dllsymbol.h"
#include "pl_elflocalrelocation.h"
/**
Destructor for E32ExportTable class.
@internalComponent
@released
*/
E32ExportTable::~E32ExportTable()
{
delete [] iTable;
}
/**
This function updates the e32 export table.
@param aElfExecutable - Elf executable
@param aExportList - export symbol list
@internalComponent
@released
*/
void E32ExportTable::CreateExportTable(ElfExecutable * aElfExecutable, ElfExports::ExportList & aExportList)
{
iElfExecutable = aElfExecutable;
// ELFExports::ExportList aExportList = aElfExecutable->GetExportsInOrdinalOrder();
// The export table has a header containing the number of entries
// before the entries themselves. So add 1 to number of exports
iNumExports = aExportList.size();
size_t aSize = iNumExports + 1;
iSize = aSize * sizeof(MemAddr);
iTable = new unsigned int[aSize];
// Set up header
iTable[0] = aExportList.size();
Elf32_Phdr * aROHdr = aElfExecutable->iCodeSegmentHdr;
// The export table starts after the header. NB this is a virtual address in the RO
// segment of the E32Image. It is outside the ELF RO segment.
Elf32_Addr * aPlace = ELF_ENTRY_PTR(Elf32_Addr, aROHdr->p_vaddr, aROHdr->p_filesz) + 1;
iExportTableAddress = (Elf32_Addr)aPlace;
// Tell the E32Image constructor that it must allocate the export table
// i.e. copy it from iTable.
iAllocateP = true;
bool aDelSym;
ElfExports::ExportList::iterator first = aExportList.begin();
for (PLUINT32 i = 1; i < aSize; i++, first++)
{
Elf32_Sym * sym;
unsigned int ptr;
if ((*first)->Absent())
{
ptr = aElfExecutable->iEntryPoint;
sym = new Elf32_Sym;
memset(sym, 0, sizeof(Elf32_Sym));
sym->st_value = ptr;
aDelSym = true;
}
else
{
ptr = (*first)->iElfSym->st_value;
sym = (*first)->iElfSym;
aDelSym = false;
}
// set up the pointer
iTable[i] = ptr;
ElfLocalRelocation * aRel = new ElfLocalRelocation(iElfExecutable, (Elf32_Addr)aPlace++, 0, i, R_ARM_ABS32, NULL, ESegmentRO, sym, aDelSym);
aRel->Add();
}
}
/**
This function returns the number of exports.
@internalComponent
@released
*/
size_t E32ExportTable::GetNumExports()
{
return iNumExports;
}
/**
This function tells the e32 image allocator if space is required to
be allocated for export table.
@internalComponent
@released
*/
bool E32ExportTable::AllocateP(){
return iAllocateP;
}
/**
This function returns the e32 export table size.
@internalComponent
@released
*/
size_t E32ExportTable::GetExportTableSize(){
return iSize;
}
/**
This function returns e32 export table.
@internalComponent
@released
*/
unsigned int * E32ExportTable::GetExportTable() {
return iTable;
}