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/*! @file CoverageWriterRTEMS.cc
* @brief CoverageWriterRTEMS Implementation
*
* This file contains the implementation of the functions supporting
* the unified overage file format.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <rld.h>
#include "CoverageWriterRTEMS.h"
#include "rtemscov_header.h"
namespace Coverage {
CoverageWriterRTEMS::CoverageWriterRTEMS()
{
}
CoverageWriterRTEMS::~CoverageWriterRTEMS()
{
}
void CoverageWriterRTEMS::writeFile(
const std::string& file,
CoverageMapBase* coverage,
uint32_t lowAddress,
uint32_t highAddress
)
{
std::ofstream coverageFile;
uint32_t a;
uint8_t cover;
rtems_coverage_map_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, "CoverageWriterRTEMS::writeFile" );
}
/* clear out the header and fill it in */
memset( &header, 0, sizeof( header ) );
header.ver = 0x1;
header.header_length = sizeof( header );
header.start = lowAddress;
header.end = highAddress;
strcpy( header.desc, "RTEMS 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, "CoverageWriterRTEMS::writeFile" );
}
for ( a = lowAddress; a < highAddress; a++ ) {
cover = ( ( coverage->wasExecuted( a ) ) ? 0x01 : 0 );
bytes_before = coverageFile.tellp();
coverageFile.write( (char *) &cover, sizeof( cover ) );
if ( coverageFile.tellp() - bytes_before != sizeof( cover ) ) {
std::cerr << "CoverageWriterRTEMS::writeFile - write to "
<< file
<< " at address 0x%"
<< std::hex << std::setfill( '0' )
<< std::setw( 8 ) << a
<< std::setfill( ' ' ) << std::dec
<< " failed\n";
}
}
}
}
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