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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 "CoverageReaderSkyeye.h"
#include "CoverageMap.h"
#include "ExecutableInfo.h"
#include "skyeye_header.h"
namespace Coverage {
CoverageReaderSkyeye::CoverageReaderSkyeye()
{
}
CoverageReaderSkyeye::~CoverageReaderSkyeye()
{
}
void CoverageReaderSkyeye::processFile(
const char* const file,
ExecutableInfo* const executableInformation
)
{
CoverageMapBase* aCoverageMap = NULL;
uintptr_t baseAddress;
uint8_t cover;
FILE* coverageFile;
prof_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) {
fprintf(
stderr,
"ERROR: CoverageReaderSkyeye::processFile - Unable to open %s\n",
file
);
exit( -1 );
}
status = fread( &header, sizeof(header), 1, coverageFile );
if (status != 1) {
fprintf(
stderr,
"ERROR: CoverageReaderSkyeye::processFile - "
"Unable to read header from %s\n",
file
);
exit( -1 );
}
baseAddress = header.prof_start;
length = header.prof_end - header.prof_start;
#if 0
fprintf(
stderr,
"%s: 0x%08x 0x%08x 0x%08lx/%ld\n",
file,
header.prof_start,
header.prof_end,
(unsigned long) length,
(unsigned long) length
);
#endif
//
// Read and process each line of the coverage file.
//
for (i=0; i<length; i+=8) {
status = fread( &cover, sizeof(uint8_t), 1, coverageFile );
if (status != 1) {
fprintf(
stderr,
"CoverageReaderSkyeye::ProcessFile - breaking after 0x%08x in %s\n",
(unsigned int) i,
file
);
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 );
}
}
}
fclose( coverageFile );
}
}
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