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/*! @file CoverageReaderRTEMS.cc
* @brief CoverageReaderRTEMS Implementation
*
* This file contains the implementation of the functions supporting
* reading the RTEMS coverage data files.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <iostream>
#include <iomanip>
#include <rld.h>
#include "CoverageReaderRTEMS.h"
#include "CoverageMap.h"
#include "ExecutableInfo.h"
#include "rtemscov_header.h"
namespace Coverage {
CoverageReaderRTEMS::CoverageReaderRTEMS()
{
}
CoverageReaderRTEMS::~CoverageReaderRTEMS()
{
}
void CoverageReaderRTEMS::processFile(
const char* const file,
ExecutableInfo* const executableInformation
)
{
CoverageMapBase* aCoverageMap = NULL;
uintptr_t baseAddress;
uint8_t cover;
FILE* coverageFile;
rtems_coverage_map_header_t header;
uintptr_t i;
uintptr_t length;
int status;
//
// Open the coverage file and read the header.
//
coverageFile = ::fopen( file, "r" );
if (!coverageFile) {
std::ostringstream what;
what << "Unable to open " << file;
throw rld::error( what, "CoverageReaderRTEMS::processFile" );
}
status = ::fread( &header, sizeof(header), 1, coverageFile );
if (status != 1) {
::fclose( coverageFile );
std::ostringstream what;
what << "Unable to read header from " << file;
throw rld::error( what, "CoverageReaderRTEMS::processFile" );
}
baseAddress = header.start;
length = header.end - header.start;
//
// Read and process each line of the coverage file.
//
for (i = 0; i < length; i++) {
status = ::fread( &cover, sizeof(uint8_t), 1, coverageFile );
if (status != 1) {
std::cerr << "breaking after 0x"
<< std::hex << std::setfill('0')
<< std::setw(8) << i
<< std::setfill(' ') << std::dec
<< " in " << file
<< std::endl;
break;
}
//
// Obtain the coverage map containing the address and
// mark the address as executed.
//
if (cover) {
aCoverageMap = executableInformation->getCoverageMap( baseAddress + i );
if (aCoverageMap)
aCoverageMap->setWasExecuted( baseAddress + i );
}
}
::fclose( coverageFile );
}
}
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