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/*! @file CoverageWriterSkyeye.cc
* @brief CoverageWriterSkyeye Implementation
*
* This file contains the implementation of the CoverageWriter class
* for the coverage files written by the multi-architecture simulator
* Skyeye (http://www.skyeye.org).
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <rld.h>
#include "CoverageWriterSkyeye.h"
#include "skyeye_header.h"
namespace Coverage {
CoverageWriterSkyeye::CoverageWriterSkyeye()
{
}
CoverageWriterSkyeye::~CoverageWriterSkyeye()
{
}
void CoverageWriterSkyeye::writeFile(
const std::string& file,
CoverageMapBase* coverage,
uint32_t lowAddress,
uint32_t highAddress
)
{
uint32_t a;
uint8_t cover;
std::ofstream coverageFile;
prof_header_t header;
std::ofstream::pos_type bytes_before;
/*
* read the file and update the coverage map passed in
*/
coverageFile.open( file );
if ( !coverageFile.is_open() ) {
std::ostringstream what;
what << "Unable to open " << file;
throw rld::error( what, "CoverageWriterSkyeye::writeFile" );
}
/* clear out the header and fill it in */
memset( &header, 0, sizeof( header ) );
header.ver = 0x1;
header.header_length = sizeof( header );
header.prof_start = lowAddress;
header.prof_end = highAddress;
strcpy( header.desc, "Skyeye Coverage Data" );
bytes_before = coverageFile.tellp();
coverageFile.write( (char *) &header, sizeof( header ) );
if ( coverageFile.tellp() - bytes_before != sizeof( header ) ) {
std::ostringstream what;
what << "Unable to write header to " << file;
throw rld::error( what, "CoverageWriterSkyeye::writeFile" );
}
for ( a = lowAddress; a < highAddress; a += 8 ) {
cover = ((coverage->wasExecuted( a )) ? 0x01 : 0);
cover |= ((coverage->wasExecuted( a + 4 )) ? 0x10 : 0);
bytes_before = coverageFile.tellp();
coverageFile.write( (char *) &cover, sizeof( cover ) );
if ( coverageFile.tellp() - bytes_before != sizeof( cover ) ) {
std::ostringstream what;
what << "write to " << file
<< " at address 0x"
<< std::hex << std::setfill( '0' )
<< std::setw( 8 ) << a
<< std::setfill( ' ' ) << std::dec
<< "failed";
throw rld::error( what, "CoverageWriterSkyeye::writeFile" );
}
}
}
}
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