Add in the toolchain macros file.
// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// Implementation of the Class ElfConsumer for the elf2e32 tool
// @internalComponent
// @released
//
//
#include "pl_elfconsumer.h"
#include "parameterlistinterface.h"
#include "errorhandler.h"
#include <iostream>
#include <string>
using std::list;
using std::cout;
using std::endl;
using std::min;
/**
Constructor for class ElfConsumer
@param aParameterListInterface - instance of class ParameterListInterface
@internalComponent
@released
*/
ElfConsumer::ElfConsumer(ParameterListInterface *aParameterListInterface) :\
ElfExecutable(aParameterListInterface) ,\
iMemBlock(NULL)
{
}
/**
Destructor for class ElfConsumer
@internalComponent
@released
*/
ElfConsumer::~ElfConsumer(){
DELETE_PTR_ARRAY(iMemBlock);
}
/**
This operation takes the member of the ElfFileWriter object that is to be populated with the
export info in the iExports member (from the iInputElfFile member of ElfConsumer).
@param aFile - Elf file name
@internalComponent
@released
*/
PLUINT32 ElfConsumer::ReadElfFile(char* aFile){
FILE* aFd;
if( (aFd = fopen(aFile,"rb")) == NULL) {
throw FileError(FILEOPENERROR, aFile);
}
fseek(aFd, 0, SEEK_END);
PLUINT32 aSz = ftell(aFd);
iMemBlock = new char[aSz];
fseek(aFd, 0, SEEK_SET);
// Certain Windows devices (e.g., network shares) limit the size of I/O operations to 64MB
// or less. We read all the data in individual KMaxWindowsIOSize (32MB) chunks to be safe.
PLUINT32 chunkSize = 0;
for( PLUINT32 bytesRead = 0; bytesRead < aSz; bytesRead += chunkSize) {
chunkSize = min(aSz - bytesRead, PLUINT32(KMaxWindowsIOSize));
if( fread(iMemBlock + bytesRead, chunkSize, 1, aFd) != 1) {
throw FileError(FILEREADERROR, aFile);
}
}
return 0;
}
/**
Funtion for getting elf symbol list
@param aList - list of symbols found in elf files
@return - 0 for no exports in elf files, otherwise number of symbols found
@internalComponent
@released
*/
int ElfConsumer::GetElfSymbolList(list<Symbol*>& aList){
if( !iExports )
return 0;
//Get the exported symbols
vector<DllSymbol*> aTmpList = iExports->GetExports(true);
typedef vector<DllSymbol*> List;
List::iterator aItr = aTmpList.begin();
while( aItr != aTmpList.end() ){
aList.push_back((Symbol*) (*aItr));
aItr++;
}
aTmpList.clear();
return aList.size();
}
/**
Funtion for getting image details
@internalComponent
@released
*/
void ElfConsumer::GetImageDetails(/*E32ImageInterface aInterface*/){
}
/**
Funtion for processing elf file
@internalComponent
@released
*/
PLUINT32 ElfConsumer::ProcessElfFile(){
Elf32_Ehdr *aElfHdr = ELF_ENTRY_PTR(Elf32_Ehdr, iMemBlock, 0);
try
{
ElfExecutable::ProcessElfFile(aElfHdr);
/* The following is a workaround for the ARM linker problem.
* Linker Problem: ARM linker generates Long ARM to Thumb veneers for which
* relocation entries are not generated.
* The linker problem is resolved in ARM Linker version RVCT 2.2 Build 616.
* Hence the workaround is applicable only for executables generated
* by ARM linker 2.2 and if build number is below 616.
*/
char * aARMCompiler = "ARM Linker, RVCT";
int length = strlen(aARMCompiler);
char * aCommentSection = ElfExecutable::FindCommentSection();
/* The .comment section in an elf file contains the compiler version information and
* it is used to apply the fore mentioned workaround.
* Some build tool chains generating elf file output without the .comment section,
* just to save the disk space. In this case the variable aCommentSection gets the NULL value.
* Solution: This workaround is only applicable for RVCT compiler. So if the .comment section
* is not available in the elf file, then this workaround is no need to be applied.
*/
if(aCommentSection != NULL)
{
if (!strncmp(aCommentSection, aARMCompiler, length))
{
int WorkAroundBuildNo = 616;
int BuildNo = 0;
char* RVCTVersion = aCommentSection+length;
/* RVCTVersion contains the following string
* "<MajorVersion>.<MinorVersion> [Build <BuildNumber>]"
* Example: "2.2 [Build 616]"
*/
String Version(RVCTVersion);
size_t pos = Version.find_last_of(' ');
size_t size = Version.size();
if (pos < size)
{
size_t index = pos + 1;
if (index < size)
{
BuildNo = atoi(strtok(RVCTVersion+index, "]"));
}
}
/* Workaround is applicable only when the version is 2.2 and if the
* build number is below 616.
*/
size_t minorVersionPos = Version.find_first_of('.');
char RVCTMinorVersion='0';
if (minorVersionPos < size)
{
size_t index = minorVersionPos + 1;
if (index < size)
{
RVCTMinorVersion = *(RVCTVersion + index);
}
}
if ((*RVCTVersion == '2') && (RVCTMinorVersion == '2') &&
(BuildNo < WorkAroundBuildNo))
{
/* The static symbol table should be processed to identify the veneer symbols.
* Relocation entries should be generated for these symbols if the linker
* is not generating the same.
*/
ElfExecutable::FindStaticSymbolTable();
ElfExecutable::ProcessVeneers();
}
}
}
}
catch(ErrorHandler&)
{
throw;
}
/*catch(...) // If there are any other unhandled exception,they are handled here.
{
//Warning to indicate that there had been an exception at this point.
MessageHandler::GetInstance()->ReportWarning(ELFFILEERROR,(char*)iParameterListInterface->ElfInput());
throw;
} */
return 0;
}