bintools/elftools/elftran/elf_dlld.cpp
author Iain Williamson <iain.williamson@nokia.com>
Thu, 25 Feb 2010 13:00:01 +0000
branchfix
changeset 274 c72bd1c6fd4e
parent 0 044383f39525
child 590 360bd6b35136
permissions -rw-r--r--
Merge - OST v2 in test code
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <e32std.h>
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#include <elfdefs.h>
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#include "elfdll.h"
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#include "elffile.h"
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#include <h_utl.h>
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#include <e32ldr.h>
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ELFFile::ELFDllData::ELFDllData(ELFFile * f)
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    :
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        iElfFile(f),
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        iDynStrTab(0),
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        iDynStrTabSize(0),
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        iDynSymTab(0),
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        iSymSize(0),
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        iRela(0),
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        iRelaSz(0),
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        iRelaEnt(0),
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        iRel(0),
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        iRelSz(0),
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        iRelEnt(0),
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        iHashTable(0),
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        iNamedExportSymbolHead(0),
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        iNamedExportCount(0),
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        iSymStringTableSize(0),
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        iStringNameOffset(0),
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        iDepRecords(0),
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        iDepRecordsTail(0),
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        iNeededDllNames(0),
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        iNeededDllNamesTail(0),
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        iOrdZeroRec(0),
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        iNamedLookupEnabled(0),
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        iDllHead(0),
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        iDllTail(0),
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        iNumberOfImports(0),
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        iNumberOfExports(0),
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        iNumberOfImportDlls(0),
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        iStringTableSize(0),
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        iNumberOfRelocs(0),
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        iNumberOfCodeRelocs(0),
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        iNumberOfDataRelocs(0)
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		{
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		}
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ELFFile::ELFDllData::~ELFDllData()
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	{
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		delete iOrdZeroRec;
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		delete iDepRecords;
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		delete iNeededDllNames;
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	}
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TBool ELFFile::ELFDllData::Init()
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	{
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	// process imported symbols
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	// There will be at least one relocation (assumed to be Elf32_Rel) for each such symbol.
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	// S iterate over relocations looking for DLL symbols and add them to the record of
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	// of import info.
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	TInt nrelocs = iRelSz/iRelEnt;
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	TInt SrcSegIdx = -1;
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	TInt errors = 0;
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	for (TInt idx = 0; idx < nrelocs; idx++)
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			{
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			Elf32_Rel * rel = &iRel[idx];
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			TUint relType = ELF32_R_TYPE(rel->r_info);
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			if (relType == R_ARM_ABS32)      
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					{	
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					TInt symIdx = ELF32_R_SYM(rel->r_info);
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					Elf32_Sym * sym = &iDynSymTab[symIdx];
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					DllSymbol * dllSym = DllSymbolP(sym);
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					if (dllSym) 
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							{
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							dllSym->iRel = rel;
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							dllSym->iSegment = iElfFile->GetSegment(SrcSegIdx);
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							if (!AddSymbol(dllSym)) return EFalse;
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							}
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					else errors++;
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					}
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			else if (relType == R_ARM_RABS32)
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					{
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					iNumberOfRelocs++;
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					if (iElfFile->CodeSegmentP(SrcSegIdx)) iNumberOfCodeRelocs++;
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					else iNumberOfDataRelocs++;
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					}
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			else if (relType == R_ARM_RBASE)
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				    {
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					SrcSegIdx = ELF32_R_SYM(rel->r_info);
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					if (SrcSegIdx) SrcSegIdx--;
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					}
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			else 
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				    {
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					// Gives error with all other Relocation types..
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					TInt symIdx = ELF32_R_SYM(rel->r_info);
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					Elf32_Sym * s = &iDynSymTab[symIdx];
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					char * symName = ELFADDR(char,iDynStrTab,s->st_name);
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					Print(EPeError, "Unresolved symbol: %s\n", symName);
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					errors++;
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					}
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			}
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	// Set up export info
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	if (InitExportInfo())
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	       {
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	       TText * sym = (TText *)"_E32Startup";
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	       // If _E32Startup is defined then this is not a DLL
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	       iImageIsDll = !iElfFile->SymbolPresent(sym);
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	       }
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	if (errors > 0) return EFalse;
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	return ETrue;
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	}
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TBool ELFFile::ELFDllData::ParseDllSymbol(Elf32_Sym * s, char *& dll, TUint& len, TInt& ord)
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    {
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	char * sym = ELFADDR(char,iDynStrTab,s->st_name);
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	if (!strncmp(sym, DLLSYMPREFIX, strlen(DLLSYMPREFIX)))
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			{
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			dll = sym + strlen(DLLSYMPREFIX);
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			TUint lim = strlen(dll);
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			TUint index = strcspn(dll, DLLSYMPREFIX0);
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			if ((index + strlen(DLLSYMSUFFIX)) < lim)
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					{
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					len = index;
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					char * dllSuffix = dll+index;
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					char * match = DLLSYMSUFFIX;
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					int suflen = strlen(DLLSYMSUFFIX);
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					if (!strncmp(dllSuffix, match, suflen))
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   161
							{
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							char * ordString = dll+index+suflen;
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   163
							char * final;
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							TUint X = strtoul(ordString, &final, ORDBASE);
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							if (ordString != final)
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									{
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									ord = (TInt)X;
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									return ETrue;
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   169
									}
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							}
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					}
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			}
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	dll = 0;
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   175
	len = 0;
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   176
	ord = -1;
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	return EFalse;
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	}
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   179
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ELFFile::ELFDllData::DllSymbol * ELFFile::ELFDllData::DllSymbolP(Elf32_Sym * s)
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    {
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   182
	char * dllName;
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   183
	TUint nameLen;
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   184
	TInt symOrd;
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   185
	if (ParseDllSymbol(s, dllName, nameLen, symOrd))
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   186
	       {
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	       DllSymbol * ds = new DllSymbol(dllName, nameLen, symOrd);
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   188
	       if (ds) return ds;
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   189
	       Print(EPeError, "Out of memory.\n");
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   190
	       return NULL;
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   191
	       }
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   192
	// If we get here its not a valid 'dll symbol' and so it is an unresolved symbol
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   193
	char * sym = ELFADDR(char,iDynStrTab,s->st_name);
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   194
	Print(EPeError, "Unresolved symbol: %s\n", sym);
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   195
    return NULL;
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   196
	}
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   197
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   198
TBool ELFFile::ELFDllData::AddSymbol(ELFFile::ELFDllData::DllSymbol * s)
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   199
    {
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   200
	DllRec * aDll = NULL;
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   201
     
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	for (DllRec * r = iDllHead; r != NULL; r = r->iNext)
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   203
			{
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			if (!strncmp(s->iDll, r->iName, s->iLen))
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   205
					{
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   206
					aDll = r;
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   207
					break;
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   208
					}
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   209
			}
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   210
	if (aDll)
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   211
			{
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   212
		    iNumberOfImports++;
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   213
		    aDll->AddSymbol(s);
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   214
			return ETrue;
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   215
			}
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   216
	else
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   217
			{
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   218
			aDll = new DllRec(s->iDll, s->iLen, s);
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   219
			if (aDll)
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diff changeset
   220
					{
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   221
					if (!iDllHead) 
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diff changeset
   222
							{
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   223
							iDllHead = iDllTail = aDll;
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diff changeset
   224
							}
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   225
					else
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diff changeset
   226
							{
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   227
							iDllTail->iNext = aDll;
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   228
							iDllTail = aDll;
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   229
							}
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   230
					iStringTableSize += (s->iLen + 1);
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   231
	      			iNumberOfImportDlls++;
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   232
					iNumberOfImports++;
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   233
					return ETrue;
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diff changeset
   234
					}
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   235
			else
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diff changeset
   236
					{
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   237
					Print(EPeError, "Out of memory.\n");
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diff changeset
   238
					return EFalse;
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diff changeset
   239
					}
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   240
			}
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diff changeset
   241
	}
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diff changeset
   242
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   243
void ELFFile::ELFDllData::DllRec::AddSymbol(ELFFile::ELFDllData::DllSymbol * s)
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   244
	{
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   245
	nImports++;
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diff changeset
   246
    iTail->iNext = s;
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diff changeset
   247
    iTail = s;
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diff changeset
   248
    }
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diff changeset
   249
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   250
static unsigned long elf_hash(const unsigned char *name)
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   251
    {
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diff changeset
   252
    unsigned long h, g;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   253
    for (h = 0; *name != 0; ++name)
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   254
	        {
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   255
			h = (h << 4) + *name;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   256
			g = h & 0xf0000000;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   257
			if (g != 0) h ^= g >> 24;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   258
			h &= ~g;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   259
			}
044383f39525 Convert Build package from SFL to EPL
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   260
	return h;
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diff changeset
   261
    }
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   262
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   263
Elf32_Word ELFFile::ELFDllData::FindSymbolIndex(TText * s)
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   264
    {
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   265
	TUint h = elf_hash(s);
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   266
	TUint nb = iHashTable[0].nBuckets;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   267
	TUint probe = h%nb;
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diff changeset
   268
	Elf32_Sword * bucket = ELFADDR(Elf32_Sword, iHashTable, sizeof(Elf32_HashTable));
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   269
	Elf32_Sword * chain = ELFADDR(Elf32_Sword, bucket, nb * sizeof(Elf32_Sword));
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   270
	Elf32_Sword idx = bucket[probe];
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diff changeset
   271
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   272
	do 	
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   273
			{
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diff changeset
   274
			if (!strcmp(ELFADDR(char, iDynStrTab, iDynSymTab[idx].st_name), (char *)s)) return idx;
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diff changeset
   275
			idx = chain[idx];
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   276
			} while (idx > 0);
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diff changeset
   277
	if (idx == 0) idx = -1;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   278
	return idx;
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diff changeset
   279
	}
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parents:
diff changeset
   280
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   281
TBool ELFFile::ELFDllData::InitExportInfo()
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   282
	{
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   283
	memset(&iSymInfoHdr, 0, sizeof(iSymInfoHdr));
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   284
	TText * exp = (TText *)EXPORTTABLENAME;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   285
	if ( int(iExportTableSymIdx = FindSymbolIndex(exp)) != -1 )
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   286
			{
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   287
			TText * exps = (TText *)EXPORTTABLESIZENAME;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   288
			iExportTableSizeSymIdx = FindSymbolIndex(exps);
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   289
			//TUint offset = iDynSymTab[iExportTableSizeSymIdx].st_value - (TUint)code;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   290
			Elf32_Word * pNumberOfExports = iElfFile->CodePtrFromAddr(iDynSymTab[iExportTableSizeSymIdx].st_value);
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   291
			iNumberOfExports = * pNumberOfExports;
044383f39525 Convert Build package from SFL to EPL
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diff changeset
   292
			iImageIsDll = ETrue;
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parents:
diff changeset
   293
			return ETrue;
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parents:
diff changeset
   294
			}
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parents:
diff changeset
   295
	else iImageIsDll = EFalse;
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parents:
diff changeset
   296
	return EFalse;
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parents:
diff changeset
   297
	}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   298
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   299
TInt ELFFile::ELFDllData::NumberOfImports(void)
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   300
    {
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parents:
diff changeset
   301
	return iNumberOfImports;
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parents:
diff changeset
   302
	}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   303
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   304
TInt ELFFile::ELFDllData::NumberOfExports(void)
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parents:
diff changeset
   305
    {
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parents:
diff changeset
   306
	return iNumberOfExports;
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parents:
diff changeset
   307
	}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   308
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   309
TInt ELFFile::ELFDllData::NumberOfImportDlls(void)
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parents:
diff changeset
   310
    {
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   311
	return iNumberOfImportDlls;
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parents:
diff changeset
   312
	}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   313
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   314
TInt ELFFile::ELFDllData::NumberOfRelocs()
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parents:
diff changeset
   315
	{
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   316
	return iNumberOfRelocs;
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parents:
diff changeset
   317
	}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   318
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   319
char * ELFFile::ELFDllData::CreateImportSection(TInt &aSize)
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   320
	{
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   321
	if (!iNumberOfImports)
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   322
			{
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   323
			aSize = 0;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   324
			return 0;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   325
			}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   326
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   327
	TInt byteSize = sizeof(E32ImportSection) + 
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   328
	                (sizeof(E32ImportBlock) * iNumberOfImportDlls) +
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   329
					(sizeof(TUint) * iNumberOfImports) +
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   330
					iStringTableSize;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   331
	if(iNamedLookupEnabled)
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   332
	{
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   333
		// 0th ordinal of each DLL imported from.
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   334
		byteSize += (sizeof(TUint) * iNumberOfImportDlls);
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   335
	}
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   336
	char * newSection = new char[byteSize];
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   337
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   338
	if (!newSection)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   339
	       {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   340
	       Print(EPeError, "Failed to allocate new import section.\n");
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   341
	       aSize = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   342
	       return 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   343
	       }
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   344
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   345
	((E32ImportSection *)newSection)->iSize = byteSize;
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   346
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   347
	// used to point to current ImportBlock
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   348
	E32ImportBlock * bp = ELFADDR(E32ImportBlock, newSection, sizeof(E32ImportSection));
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   349
	// used to point to current import relocation entry
044383f39525 Convert Build package from SFL to EPL
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parents:
diff changeset
   350
	TUint * rp;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   351
	// used to point to current location in string table
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   352
	char * sp = ELFADDR(char, newSection, (byteSize - iStringTableSize));
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   353
	OrdZeroRecord *aDep = iDepRecords;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   354
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   355
	for (DllRec * dll = iDllHead; dll != NULL ; dll = dll->iNext, bp = (E32ImportBlock *)rp )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   356
	        {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   357
			// set up the offset from E32ImportBlock.iOffsetOfDllName to the
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   358
			// corresponding  string table location
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   359
			bp->iOffsetOfDllName = (sp - (char *)newSection);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   360
			bp->iNumberOfImports = dll->nImports;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   361
			if(iNamedLookupEnabled)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   362
			{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   363
				bp->iNumberOfImports++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   364
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   365
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   366
			// copy the DLL name to the string table
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   367
			memcpy(sp , dll->iName, dll->iLen);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   368
			sp[dll->iLen] = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   369
			sp = sp + dll->iLen + 1;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   370
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   371
			// sort out the import 'relocs'
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   372
			rp = ELFADDR(TUint, bp, sizeof(E32ImportBlock));
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   373
		
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   374
			for (DllSymbol * sym = dll->iHead; sym != NULL; sym = sym->iNext, rp++)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   375
				    {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   376
					Elf32_Phdr * segment = sym->iSegment;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   377
					Elf32_Addr segBase = segment->p_vaddr;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   378
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   379
					// sanity check: segment should be the code segment
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   380
					if (!iElfFile->CodeSegmentP(segment))
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   381
							{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   382
							Print(EPeError, "Import relocation does not refer to code segment.\n");
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   383
							aSize = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   384
							return 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   385
							}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   386
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   387
					// This field is misnamed because it is actually given as a virtual address in 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   388
					// dynamic relocations
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   389
					Elf32_Addr dynOffset = sym->iRel->r_offset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   390
					//So this is the 'real' offset of the reloc in  the segment in which it occurs
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   391
					Elf32_Addr segOffset = dynOffset - segBase;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   392
					TUint * relocAddr = ELFADDR(TUint, iElfFile->ELFFileBase(), (segment->p_offset + segOffset));
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   393
					// The only non-zero reloc vals we expect are for vtables.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   394
					// We store there reloc offset in the top 16 bits of the 'reloc info'.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   395
					// NB the ELF reloc values should only ever be multiples of 4. So we could optimize here,
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   396
					// but we won't.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   397
					TUint relocVal = *relocAddr;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   398
					TUint importOrdinal = sym->iOrd;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   399
					if (relocVal > 0xFFFF)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   400
							Print(EPeError, "ELF relocation exceeds E32Image limit of 64K.\n");
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   401
					if (importOrdinal > 0xFFFF)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   402
							Print(EPeError, "Import ordinal exceeds E32Image limit of 64K.\n");
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   403
   
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   404
   					*rp = segOffset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   405
   			
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   406
   					// eek !! surgery on the code segment....
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   407
					*relocAddr = (relocVal<<16) | importOrdinal;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   408
					}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   409
			
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   410
				if(iNamedLookupEnabled)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   411
				{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   412
					aDep = FindDependency(dll->iName, dll->iLen);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   413
					if( aDep )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   414
					{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   415
						*rp = aDep->iOffset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   416
						rp++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   417
					}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   418
				}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   419
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   420
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   421
	aSize = byteSize;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   422
	return newSection;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   423
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   424
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   425
TUint ELFFile::ELFDllData::GetExportTableOffset(void)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   426
    {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   427
	Elf32_Sym * et = &iDynSymTab[iExportTableSymIdx];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   428
	Elf32_Phdr * segment = iElfFile->GetSegment(et->st_shndx - 1);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   429
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   430
	return et->st_value - segment->p_vaddr;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   431
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   432
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   433
TBool ELFFile::ELFDllData::GetRelocs(Elf32_Rel **aCodeRelocs, Elf32_Rel **aDataRelocs)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   434
	//	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   435
	// load the relocs from the reloc section into relocation and relocsection arrays
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   436
	//
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   437
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   438
	TInt nrelocs = iRelSz/iRelEnt;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   439
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   440
	TInt SrcSegIdx = -1;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   441
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   442
	TInt cidx = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   443
	TInt didx = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   444
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   445
	for (TInt idx = 0; idx < nrelocs; idx++)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   446
	        {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   447
			Elf32_Rel * rel = &iRel[idx];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   448
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   449
			if (ELF32_R_TYPE(rel->r_info) == R_ARM_RABS32)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   450
					{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   451
					if (iElfFile->CodeSegmentP(SrcSegIdx))
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   452
							aCodeRelocs[cidx++]=rel;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   453
					else if (iElfFile->DataSegmentP(SrcSegIdx))
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   454
							aDataRelocs[didx++]=rel;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   455
					}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   456
			else if (ELF32_R_TYPE(rel->r_info) == R_ARM_RBASE)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   457
					{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   458
					SrcSegIdx = ELF32_R_SYM(rel->r_info);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   459
					if (!(iElfFile->CodeSegmentP(SrcSegIdx-1) || iElfFile->DataSegmentP(SrcSegIdx-1)))
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   460
							{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   461
							Print(EPeError, "Source segment for relocations is neither Code or Data.\n");
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   462
							return EFalse;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   463
							}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   464
					SrcSegIdx--;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   465
					}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   466
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   467
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   468
	if(!iNamedLookupEnabled)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   469
		return ETrue;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   470
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   471
	// Add the 0th ordinal of this binary - The relocation info is already setup.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   472
	aCodeRelocs[cidx++] = &iOrdZeroRec->iReloc;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   473
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   474
	// add relocation entries for each of the symbols
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   475
	NamedExportSymbol *aSym = iNamedExportSymbolHead;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   476
	while(aSym)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   477
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   478
		// The symbol name info is part of the code section hence all relocations
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   479
		// are collected as part of Code relocations.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   480
		aCodeRelocs[cidx++] = &aSym->iReloc;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   481
		aSym = aSym->Next();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   482
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   483
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   484
	// Since we have added a few relocations, lets make sure
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   485
	// they are still sorted on addresses they refer to.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   486
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   487
	//Sorting the code relocs
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   488
	TInt aIdx1, aIdx2;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   489
	Elf32_Rel *aTmp;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   490
	for (aIdx1 = 0; aIdx1 < cidx; aIdx1++) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   491
		for (aIdx2 = aIdx1; aIdx2 < cidx; aIdx2++) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   492
			if(aCodeRelocs[aIdx1]->r_offset > aCodeRelocs[aIdx2]->r_offset) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   493
				aTmp = aCodeRelocs[aIdx2];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   494
				aCodeRelocs[aIdx2] = aCodeRelocs[aIdx1];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   495
				aCodeRelocs[aIdx1] = aTmp;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   496
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   497
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   498
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   499
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   500
	//Sorting the data relocs
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   501
	for (aIdx1 = 0; aIdx1 < didx; aIdx1++) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   502
		for (aIdx2 = aIdx1; aIdx2 < didx; aIdx2++) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   503
			if(aDataRelocs[aIdx1]->r_offset > aDataRelocs[aIdx2]->r_offset) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   504
				aTmp = aDataRelocs[aIdx2];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   505
				aDataRelocs[aIdx2] = aDataRelocs[aIdx1];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   506
				aDataRelocs[aIdx1] = aTmp;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   507
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   508
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   509
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   510
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   511
	return ETrue;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   512
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   513
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   514
NamedExportSymbol::NamedExportSymbol(char* aName, Elf32_Addr aValue) : \
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   515
	iSymbolName(aName), iValue(aValue), iNext(NULL)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   516
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   517
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   518
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   519
TBool ELFFile::ELFDllData::CreateSymLookupTable()
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   520
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   521
	if( !SetupSymbolValues() )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   522
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   523
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   524
	if( !SetupSymbolNames() )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   525
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   526
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   527
	return TRUE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   528
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   529
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   530
TBool ELFFile::ELFDllData::SetupSymbolValues()
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   531
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   532
	NamedExportSymbol *aSym, *aPrevSym;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   533
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   534
	if( int(iExportTableSymIdx) == -1 || int(iExportTableSizeSymIdx) == -1)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   535
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   536
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   537
	// Fetch the 'export table' symbol from the dynamic symbol table.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   538
	Elf32_Sym *aElfExpTbl = &iDynSymTab[iExportTableSymIdx];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   539
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   540
	// Fetch the 'export table size' symbol from the dynamic symbol table.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   541
	Elf32_Sym *aElfExpTblSz = &iDynSymTab[iExportTableSizeSymIdx];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   542
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   543
	if((aElfExpTbl->st_value - aElfExpTblSz->st_value) != 4)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   544
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   545
		// Check that the word prior to the export table is not the export table size
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   546
		// This is to make sure that there is space for the 0th ordinal and
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   547
		// we dont overwrite the 'export table size' entry.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   548
		iNamedLookupEnabled = 1;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   549
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   550
	else 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   551
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   552
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   553
	// Fetch the export table contents
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   554
	Elf32_Word * aExpEntries = iElfFile->CodePtrFromAddr(aElfExpTbl->st_value);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   555
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   556
	if(!aExpEntries)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   557
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   558
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   559
	aSym = aPrevSym = NULL;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   560
	TInt idx;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   561
	// Create symbols corresponding to export table entries.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   562
	for(idx = 0;  idx < iNumberOfExports; idx++)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   563
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   564
		//Symbols marked Absent are ignored.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   565
		if( aExpEntries[idx] == iElfFile->iEntryPoint)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   566
			continue;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   567
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   568
		aSym = new NamedExportSymbol(0, aExpEntries[idx]);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   569
		iNamedExportCount++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   570
		if(aPrevSym)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   571
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   572
			aPrevSym->Next(aSym);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   573
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   574
		else
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   575
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   576
			iNamedExportSymbolHead = aSym;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   577
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   578
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   579
		aPrevSym = aSym;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   580
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   581
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   582
	return TRUE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   583
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   584
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   585
TBool ELFFile::ELFDllData::SetupSymbolNames()
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   586
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   587
	char *aSymName = NULL;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   588
	NamedExportSymbol *aSym;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   589
	TUint aDynSymbolTblCount = iHashTable->nChains;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   590
	TInt aCount = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   591
	TInt aCodeSegIdx = iElfFile->CodeSegmentIndex() + 1;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   592
	TInt aDataSegIdx = iElfFile->DataSegmentIndex() + 1;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   593
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   594
	// Traverse the dynamic symbol table
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   595
	for(TUint idx = 0; idx < aDynSymbolTblCount; idx++)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   596
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   597
		//Consider only the the defined symbols
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   598
		if( ELF32_ST_TYPE(iDynSymTab[idx].st_info) == STT_OBJECT || 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   599
			ELF32_ST_TYPE(iDynSymTab[idx].st_info) == STT_FUNC )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   600
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   601
			aSym = iNamedExportSymbolHead;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   602
			while(aSym)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   603
			{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   604
				// Name already set
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   605
				if(aSym->Name())
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   606
				{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   607
					aSym = aSym->Next();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   608
					continue;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   609
				}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   610
				Elf32_Addr aAddr = aSym->Value();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   611
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   612
				// If the exported symbol and the dynamic symbol table entry have the 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   613
				// same values, setup the name
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   614
				if(iDynSymTab[idx].st_value == aAddr)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   615
				{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   616
					aSymName = ELFADDR(char, iDynStrTab, iDynSymTab[idx].st_name);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   617
					aSym->Name(aSymName);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   618
					
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   619
					if(iElfFile->CodeSegmentP (iElfFile->GetSegmentFromAddr(aAddr)) ) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   620
						aSym->iReloc.r_info = aCodeSegIdx << 8 | R_ARM_RABS32;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   621
						aSym->iSymRelocType = KTextRelocType;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   622
					}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   623
					else {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   624
						aSym->iReloc.r_info = aDataSegIdx << 8 | R_ARM_RABS32;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   625
						aSym->iSymRelocType = KDataRelocType;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   626
					}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   627
					
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   628
					iNumberOfCodeRelocs++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   629
					iNumberOfRelocs++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   630
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   631
					// The offset to the name is always 4 byte aligned.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   632
					iStringNameOffset = iSymStringTableSize >> 2;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   633
					aSym->NameOffset( iSymStringTableSize );
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   634
					// These are NULL-terminated strings
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   635
					iSymStringTableSize += (strlen(aSymName) + 1);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   636
					iSymStringTableSize = ALIGN4(iSymStringTableSize);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   637
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   638
					aCount++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   639
					break;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   640
				}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   641
				aSym = aSym->Next();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   642
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   643
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   644
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   645
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   646
	if(aCount != iNamedExportCount)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   647
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   648
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   649
	// Sort symbols on their names...
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   650
	if(iNamedExportCount > 1)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   651
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   652
		NamedExportSymbol **aTmpStart = &iNamedExportSymbolHead;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   653
		Sort(aTmpStart, iNamedExportSymbolHead);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   654
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   655
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   656
	return TRUE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   657
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   658
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   659
void ELFFile::ELFDllData::SetLookupTblBase(TInt aBaseOffset)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   660
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   661
	Elf32_Addr	aBaseAddr = iElfFile->iLinkedBase + iElfFile->GetCodeSize();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   662
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   663
	Elf32_Addr	aAddr;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   664
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   665
	// setup relocations of each of the exported symbols.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   666
	aAddr = aBaseAddr + iSymInfoHdr.iSymbolTblOffset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   667
	NamedExportSymbol *aSym = iNamedExportSymbolHead;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   668
	while(aSym)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   669
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   670
		aSym->iReloc.r_offset = aAddr;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   671
		aAddr += sizeof(Elf32_Addr);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   672
		aSym = aSym->Next();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   673
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   674
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   675
	// setup relocations for the 0th ordinal of this binary. 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   676
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   677
	iOrdZeroRec = new OrdZeroRecord(0);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   678
	Elf32_Sym * et = &iDynSymTab[iExportTableSymIdx];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   679
	iOrdZeroRec->iReloc.r_offset = et->st_value - 4; // The word prior ro the first entry
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   680
											// of the export table is the 0th ordinal entry.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   681
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   682
	//At the 0th ordinal, write the address of the start of symbol info	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   683
	TUint32 aZeroOrdOff = et->st_value - 4 - iElfFile->iLinkedBase;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   684
	aZeroOrdOff += (iElfFile->GetSegment(et->st_shndx - 1))->p_offset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   685
	TUint32 *aZeroOrdLocation = ELFADDR(TUint32, iElfFile->ELFFileBase(), aZeroOrdOff);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   686
	*aZeroOrdLocation = aBaseAddr;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   687
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   688
	iOrdZeroRec->iReloc.r_info = ELF32_R_INFO(et->st_shndx, R_ARM_RABS32);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   689
	iNumberOfCodeRelocs++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   690
	iNumberOfRelocs++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   691
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   692
	TInt aOffset = aBaseOffset + iSymInfoHdr.iDepDllZeroOrdTableOffset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   693
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   694
	OrdZeroRecord *aDepRecord = iDepRecords;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   695
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   696
	while( aDepRecord )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   697
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   698
		// Setup the offset - This offset (relative code segment) is filled in the 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   699
		// import table to point to this dependency record.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   700
		aDepRecord->iOffset = aOffset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   701
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   702
		aOffset += 4;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   703
		aDepRecord = aDepRecord->iNext;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   704
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   705
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   706
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   707
TBool ELFFile::ELFDllData::AddToDependency(TUint aOff)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   708
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   709
	// Add the name found in DT_NEEDED into a list.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   710
	// The dynamic string table might not have been found in dynamic table yet.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   711
	// So store the offset (wrt base of dynamic string table) for now.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   712
	NeededDLLsList *aNeeded = new NeededDLLsList(aOff);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   713
	if(!aNeeded)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   714
		return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   715
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   716
	if ( iNeededDllNames ) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   717
	 iNeededDllNamesTail->iNext= aNeeded;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   718
	 iNeededDllNamesTail = aNeeded; 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   719
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   720
	else {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   721
		iNeededDllNames = iNeededDllNamesTail = aNeeded;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   722
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   723
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   724
	return TRUE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   725
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   726
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   727
TBool ELFFile::ELFDllData::CreateDependency()
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   728
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   729
	OrdZeroRecord *aDep;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   730
	NeededDLLsList *aNeeded = iNeededDllNames;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   731
	char *aDllName = NULL;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   732
	DllRec *aRec;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   733
	TInt aNeededFound;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   734
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   735
	for(aNeededFound = 0; (aNeededFound < iNumberOfImportDlls) && aNeeded;)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   736
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   737
		aRec = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   738
		while(aNeeded) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   739
			aDllName = iDynStrTab + aNeeded->iOffset;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   740
			// aNeeded is just a guess that this binary might be dependent on aDllName
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   741
			// Search through the import table to find if the guess was correct.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   742
			aRec = SearchImports(aDllName);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   743
			if(aRec && FindDependency(aRec->iName, aRec->iLen) == NULL) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   744
				// Check if aDllName is listed in import table and it
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   745
				// not added already in the depedency records.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   746
				aNeededFound++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   747
				break;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   748
			}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   749
			// Bad guess...go to the next aNeeded
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   750
			aNeeded = aNeeded->iNext;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   751
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   752
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   753
		if( !aRec )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   754
			return FALSE;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   755
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   756
		aDep = new OrdZeroRecord(aDllName);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   757
		if(!iDepRecords)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   758
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   759
			iDepRecords = iDepRecordsTail = aDep;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   760
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   761
		else
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   762
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   763
			iDepRecordsTail->iNext = aDep;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   764
			iDepRecordsTail = aDep;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   765
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   766
		aNeeded = aNeeded->iNext;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   767
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   768
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   769
	return (aNeededFound == iNumberOfImportDlls);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   770
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   771
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   772
ELFFile::ELFDllData::DllRec* ELFFile::ELFDllData::SearchImports(char *aName)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   773
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   774
	DllRec *aRec = iDllHead;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   775
	while (aRec)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   776
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   777
		if(strncmp(aRec->iName, aName, aRec->iLen) == 0)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   778
			return aRec;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   779
		aRec = aRec->iNext;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   780
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   781
	return NULL;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   782
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   783
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   784
OrdZeroRecord* ELFFile::ELFDllData::FindDependency(char* aName, TUint aLen)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   785
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   786
	OrdZeroRecord* aDep = iDepRecords;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   787
	while(aDep)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   788
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   789
		if(strncmp(aName, aDep->iName, aLen) == 0)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   790
			return aDep;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   791
		aDep = aDep->iNext;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   792
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   793
	return NULL;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   794
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   795
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   796
void ELFFile::ELFDllData::GetExportSymInfoHeader(E32EpocExpSymInfoHdr& aSymInfoHdr)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   797
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   798
	memcpy(&aSymInfoHdr, &iSymInfoHdr, sizeof(E32EpocExpSymInfoHdr));
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   799
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   800
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   801
void ELFFile::ELFDllData::SetExportSymInfo()
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   802
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   803
	iSymInfoHdr.iSymCount = (TUint16)iNamedExportCount;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   804
	iSymInfoHdr.iSymbolTblOffset = sizeof(E32EpocExpSymInfoHdr);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   805
	iSymInfoHdr.iStringTableSz = iSymStringTableSize;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   806
	TInt aSymTabSz;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   807
	if( iStringNameOffset > 0xffff){
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   808
		iSymInfoHdr.iFlags = KNameLookupOffsetFlag32;  // Flag indicating 32 bit offsets 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   809
													   // for symbol names
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   810
		aSymTabSz = iNamedExportCount* sizeof(TUint32);// symbol addresses
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   811
		aSymTabSz += iNamedExportCount* sizeof(TUint32);// symbol name 32-bit offsets
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   812
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   813
	else
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   814
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   815
		iSymInfoHdr.iFlags &= ~KNameLookupOffsetFlag32;// Flag indicating 16-bit offsets 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   816
													   // for symbol names
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   817
		aSymTabSz = iNamedExportCount* sizeof(TUint32);	// symbol addresses
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   818
		aSymTabSz += iNamedExportCount* sizeof(TUint16);// symbol name 16-bit offsets
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   819
		aSymTabSz = ALIGN4(aSymTabSz);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   820
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   821
	iSymInfoHdr.iStringTableOffset = iSymInfoHdr.iSymbolTblOffset + aSymTabSz;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   822
	iSymInfoHdr.iDllCount = iNumberOfImportDlls;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   823
	iSymInfoHdr.iDepDllZeroOrdTableOffset = iSymInfoHdr.iStringTableOffset + \
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   824
								iSymInfoHdr.iStringTableSz;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   825
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   826
	iSymInfoHdr.iSize = iSymInfoHdr.iDepDllZeroOrdTableOffset + \
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   827
						iSymInfoHdr.iDllCount * sizeof(Elf32_Addr);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   828
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   829
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   830
TUint ELFFile::ELFDllData::GetSymLookupSection(char* aBuff)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   831
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   832
	if( !iNamedLookupEnabled)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   833
		return 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   834
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   835
	memcpy(aBuff, &iSymInfoHdr, sizeof(iSymInfoHdr));
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   836
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   837
	// Name offsets start after the end of symbol addresses.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   838
	TUint32 aNameOffsetStart = iSymInfoHdr.iSymbolTblOffset + \
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   839
								iNamedExportCount* sizeof(TUint32);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   840
																
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   841
	TUint32 *aAddrPtr = (TUint32*)(aBuff + iSymInfoHdr.iSymbolTblOffset);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   842
	TUint32 aStringTabOff = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   843
	char *aStringTab = aBuff + iSymInfoHdr.iStringTableOffset;//Start of the string table.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   844
	NamedExportSymbol *aSym = iNamedExportSymbolHead;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   845
	while(aSym)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   846
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   847
		*aAddrPtr = aSym->Value();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   848
		aStringTabOff = aSym->NameOffset(); // Get the offset of symbol name (which is wrt 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   849
											// string table base).
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   850
		if( iSymInfoHdr.iFlags & KNameLookupOffsetFlag32 )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   851
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   852
			TUint32 *aNameOffPtr = (TUint32*)(aBuff + aNameOffsetStart);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   853
			*aNameOffPtr = (aStringTabOff >> 2);//write the offset of the name
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   854
			strcpy(aStringTab + aStringTabOff, aSym->Name());//write the symbol name
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   855
			aNameOffsetStart +=4;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   856
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   857
		else
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   858
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   859
			TUint16 *aNameOffPtr = (TUint16*)(aBuff + aNameOffsetStart);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   860
			*aNameOffPtr = (TUint16)(aStringTabOff >> 2);//write the offset of the name
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   861
			strcpy(aStringTab + aStringTabOff, aSym->Name());//write the symbol name
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   862
			aNameOffsetStart +=2;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   863
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   864
		aAddrPtr++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   865
		aSym = aSym->Next();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   866
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   867
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   868
	OrdZeroRecord *aRec = iDepRecords;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   869
	TUint32* aDepsTable = (TUint32*)(aBuff + iSymInfoHdr.iDepDllZeroOrdTableOffset);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   870
	while(aRec)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   871
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   872
		*aDepsTable++ = 0;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   873
		aRec = aRec->iNext;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   874
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   875
	return iSymInfoHdr.iSize;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   876
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   877
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   878
void ELFFile::ELFDllData::Sort(NamedExportSymbol** aDstList, NamedExportSymbol* aSrcList)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   879
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   880
	NamedExportSymbol *aSym = aSrcList;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   881
	NamedExportSymbol **aSymbols = new NamedExportSymbol*[iNamedExportCount];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   882
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   883
	TInt pos;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   884
	for (pos = 0; pos < iNamedExportCount; pos++) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   885
		aSymbols[pos] = aSym;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   886
		aSym = aSym->Next();
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   887
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   888
	
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   889
	NamedExportSymbol **aResult = new NamedExportSymbol*[iNamedExportCount];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   890
	MergeSort(aResult, aSymbols);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   891
	iNamedExportSymbolHead = aResult[0];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   892
	for (pos = 0; pos < iNamedExportCount; pos++) {
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   893
		aSym = aResult[pos];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   894
		if( pos == iNamedExportCount-1)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   895
			aSym->Next(NULL);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   896
		else
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   897
			aSym->Next(aResult[pos+1]);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   898
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   899
	*aDstList = aResult[0];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   900
	delete [] aResult;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   901
	delete [] aSymbols;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   902
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   903
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   904
void ELFFile::ELFDllData::MergeSort(NamedExportSymbol** aDstList, NamedExportSymbol** aSrcList)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   905
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   906
	MergeSort(aDstList, aSrcList, 0, iNamedExportCount);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   907
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   908
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   909
void ELFFile::ELFDllData::MergeSort(NamedExportSymbol** aDstList, NamedExportSymbol** aSrcList, \
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   910
									TUint aLeft, TUint aRight)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   911
{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   912
	if( (aRight - aLeft) <= 1)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   913
		return;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   914
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   915
	TUint aSize = aRight - aLeft;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   916
	TUint aCenter = aLeft + aSize/2;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   917
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   918
	MergeSort(aDstList, aSrcList, aLeft, aCenter);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   919
	MergeSort(aDstList, aSrcList, aCenter, aRight);
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   920
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   921
	TUint aLPos, aRPos, aCnt;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   922
	aLPos = aLeft;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   923
	aRPos = aCenter;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   924
	for(aCnt = 0; aCnt < aSize; aCnt++)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   925
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   926
		if( (aLPos < aCenter) &&
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   927
			(aRPos == aRight || (strcmp(aSrcList[aLPos]->Name(), aSrcList[aRPos]->Name()) < 0) )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   928
		  )
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   929
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   930
			// Compare the left half with the right and add the lesser one.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   931
			// The comparision is done on the topmost element on each half.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   932
			// if aRPos is past the last element of the right half, the left element has 
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   933
			// nothing to compare with. Just add it to the result list.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   934
			aDstList[aCnt] = aSrcList[aLPos];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   935
			aLPos++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   936
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   937
		else
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   938
		{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   939
			// Add the greater one into the list.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   940
			// if aLPos is past the element at the center, it anyway belongs to the
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   941
			// right half. Add it to the result list.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   942
			aDstList[aCnt] = aSrcList[aRPos];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   943
			aRPos++;
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   944
		}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   945
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   946
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   947
	// Once the sublist is sorted, put it back to the source list
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   948
	// so that the parent has its left and right sublists are sorted.
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   949
	for(aCnt = 0; aCnt < aSize; aCnt++)
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   950
	{
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   951
		aSrcList[aLeft+aCnt] = aDstList[aCnt];
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   952
	}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   953
}
044383f39525 Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   954