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/*! @file CoverageReaderSkyeye.cc
* @brief CoverageReaderSkyeye Implementation
*
* This file contains the implementation of the functions supporting
* reading the Skyeye coverage data files.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <iostream>
#include <fstream>
#include <iomanip>
#include "CoverageReaderSkyeye.h"
#include "CoverageMap.h"
#include "ExecutableInfo.h"
#include "skyeye_header.h"
namespace Coverage {
CoverageReaderSkyeye::CoverageReaderSkyeye()
{
}
CoverageReaderSkyeye::~CoverageReaderSkyeye()
{
}
void CoverageReaderSkyeye::processFile(
const std::string& file,
ExecutableInfo* const executableInformation
)
{
CoverageMapBase* aCoverageMap = NULL;
uintptr_t baseAddress;
uint8_t cover;
std::ifstream coverageFile;
prof_header_t header;
uintptr_t i;
uintptr_t length;
//
// Open the coverage file and read the header.
//
coverageFile.open( file );
if ( !coverageFile ) {
std::ostringstream what;
what << "Unable to open " << file;
throw rld::error( what, "CoverageReaderSkyeye::processFile" );
}
coverageFile.read( (char *) &header, sizeof( header ) );
if ( coverageFile.fail() ) {
std::ostringstream what;
what << "Unable to read header from " << file;
throw rld::error( what, "CoverageReaderSkyeye::processFile" );
}
baseAddress = header.prof_start;
length = header.prof_end - header.prof_start;
//
// Read and process each line of the coverage file.
//
for (i = 0; i < length; i += 8) {
coverageFile.read( (char *) &cover, sizeof( uint8_t ) );
if ( coverageFile.gcount() != sizeof( uint8_t ) ) {
std::cerr << "CoverageReaderSkyeye::ProcessFile - 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.
//
// NOTE: This method ONLY works for Skyeye in 32-bit mode.
//
if (cover & 0x01) {
aCoverageMap = executableInformation->getCoverageMap( baseAddress + i );
if (aCoverageMap) {
aCoverageMap->setWasExecuted( baseAddress + i );
aCoverageMap->setWasExecuted( baseAddress + i + 1 );
aCoverageMap->setWasExecuted( baseAddress + i + 2 );
aCoverageMap->setWasExecuted( baseAddress + i + 3 );
}
}
if (cover & 0x10) {
aCoverageMap = executableInformation->getCoverageMap(
baseAddress + i + 4
);
if (aCoverageMap) {
aCoverageMap->setWasExecuted( baseAddress + i + 4 );
aCoverageMap->setWasExecuted( baseAddress + i + 5 );
aCoverageMap->setWasExecuted( baseAddress + i + 6 );
aCoverageMap->setWasExecuted( baseAddress + i + 7 );
}
}
}
}
}
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