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/*! @file CoverageReaderTSIM.cc
* @brief CoverageReaderTSIM Implementation
*
* This file contains the implementation of the CoverageReader class
* for the coverage files written by the SPARC simulator TSIM.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <rld.h>
#include "CoverageReaderTSIM.h"
#include "CoverageMap.h"
#include "ExecutableInfo.h"
namespace Coverage {
CoverageReaderTSIM::CoverageReaderTSIM()
{
}
CoverageReaderTSIM::~CoverageReaderTSIM()
{
}
void CoverageReaderTSIM::processFile(
const std::string& file,
ExecutableInfo* const executableInformation
)
{
CoverageMapBase* aCoverageMap = NULL;
int baseAddress;
int cover;
std::ifstream coverageFile;
int i;
char ignore;
//
// Open the coverage file.
//
coverageFile.open( file );
if ( !coverageFile.is_open() ) {
std::ostringstream what;
what << "Unable to open " << file;
throw rld::error( what, "CoverageReaderTSIM::processFile" );
}
//
// Read and process each line of the coverage file.
//
while ( true ) {
coverageFile >> std::hex >> baseAddress >> ignore >> std::dec;
if ( coverageFile.gcount() == 0 || coverageFile.fail() ) {
break;
}
for ( i = 0; i < 0x80; i += 4 ) {
unsigned int a;
coverageFile >> std::hex >> cover >> std::dec;
if ( coverageFile.fail() || coverageFile.gcount() == 0 ) {
std::cerr << "CoverageReaderTSIM: WARNING! Short line in "
<< file
<< " at address 0x"
<< std::hex << std::setfill( '0' )
<< baseAddress
<< std::setfill( ' ' ) << std::dec
<< std::endl;
break;
}
//
// Obtain the coverage map containing the address and
// mark the address as executed.
//
a = baseAddress + i;
aCoverageMap = executableInformation->getCoverageMap( a );
if ( !aCoverageMap ) {
continue;
}
if ( cover & 0x01 ) {
aCoverageMap->setWasExecuted( a );
aCoverageMap->setWasExecuted( a + 1 );
aCoverageMap->setWasExecuted( a + 2 );
aCoverageMap->setWasExecuted( a + 3 );
if ( cover & 0x08 ) {
aCoverageMap->setWasTaken( a );
branchInfoAvailable_m = true;
}
if ( cover & 0x10 ) {
aCoverageMap->setWasNotTaken( a );
branchInfoAvailable_m = true;
}
}
}
}
}
}
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