GcovData: Convert to C++

Change C-style code to C++
This commit is contained in:
Ryan Long 2021-07-12 16:06:00 -04:00 committed by Joel Sherrill
parent a08a5644c4
commit c3762cd29c
4 changed files with 331 additions and 352 deletions

View File

@ -1,9 +1,3 @@
/*
* TODO: use strings instead of cstrings for reliability and saving memory
* TODO: use global buffers
*
*/
/*! @file GcovData.cc
* @brief GcovData Implementation
*
@ -35,62 +29,64 @@ namespace Gcov {
{
}
bool GcovData::readGcnoFile( const char* const fileName )
bool GcovData::readGcnoFile( const std::string& fileName )
{
int status;
FILE* gcovFile;
char* tempString;
char* tempString2;
char* tempString3;
int status;
std::ifstream gcovFile;
std::string tempString;
std::string tempString2;
std::string tempString3;
size_t index;
if ( strlen(fileName) >= FILE_NAME_LENGTH ){
fprintf(
stderr,
"ERROR: File name is too long to be correctly stored: %u\n",
(unsigned int) strlen(fileName)
);
if ( fileName.length() >= FILE_NAME_LENGTH ) {
std::cerr << "ERROR: File name is too long to be correctly stored: "
<< fileName.length() << std::endl;
return false;
}
strcpy( gcnoFileName, fileName );
strcpy( gcdaFileName, fileName );
strcpy( textFileName, fileName );
strcpy( cFileName, fileName );
tempString = strstr( gcdaFileName,".gcno" );
tempString2 = strstr( textFileName,".gcno" );
tempString3 = strstr( cFileName,".gcno" );
if ( (tempString == NULL) && (tempString2 == NULL) ){
fprintf(stderr, "ERROR: incorrect name of *.gcno file\n");
}
else
{
strcpy( tempString, ".gcda"); // construct gcda file name
strcpy( tempString2, ".txt"); // construct report file name
strcpy( tempString3, ".c"); // construct source file name
gcnoFileName = fileName;
gcdaFileName = fileName;
textFileName = fileName;
cFileName = fileName;
tempString = gcdaFileName;
tempString2 = textFileName;
tempString3 = cFileName;
index = tempString.find( ".gcno" );
if ( index == std::string::npos ) {
std::cerr << "ERROR: incorrect name of *.gcno file" << std::endl;
return false;
} else {
// construct gcda file name
tempString = tempString.replace( index, strlen( ".gcno" ), ".gcda" );
// construct report file name
tempString2 = tempString2.replace( index, strlen( ".gcno" ), ".txt" );
// construct source file name
tempString3 = tempString3.replace( index, strlen( ".gcno" ), ".c" );
}
// Debug message
// fprintf( stderr, "Readning file: %s\n", gcnoFileName);
// std::cerr << "Reading file: " << gcnoFileName << std::endl;
// Open the notes file.
gcovFile = fopen( gcnoFileName, "r" );
gcovFile.open( gcnoFileName );
if ( !gcovFile ) {
fprintf( stderr, "Unable to open %s\n", gcnoFileName );
std::cerr << "Unable to open " << gcnoFileName << std::endl;
return false;
}
// Read and validate the gcnoPreamble (magic, version, timestamp) from the file
status = readFilePreamble( &gcnoPreamble, gcovFile, GCNO_MAGIC );
if ( status <= 0 ){
fprintf( stderr, "Unable to read %s\n", gcnoFileName );
fclose( gcovFile );
std::cerr << "Unable to read " << gcnoFileName << std::endl;
return false;
}
//Read all remaining frames from file
while( readFrame(gcovFile) ){}
fclose( gcovFile );
return true;
}
@ -99,7 +95,7 @@ namespace Gcov {
{
gcov_preamble preamble;
gcov_frame_header header;
FILE* gcdaFile;
std::ofstream gcdaFile;
functions_iterator_t currentFunction;
arcs_iterator_t currentArc;
uint32_t buffer;
@ -110,10 +106,10 @@ namespace Gcov {
uint64_t llBuffer[4096]; // TODO: Use common buffer
gcov_statistics objectStats;
gcov_statistics programStats;
size_t status;
long int bytes_before;
// Debug message
// fprintf( stderr, "Writing file: %s\n", gcdaFileName);
//std::cerr << "Writing file: " << gcdaFileName << std::endl;
// Lets clear counters sumators
countersSum = 0;
@ -121,9 +117,9 @@ namespace Gcov {
countersFoundSum = 0;
// Open the data file.
gcdaFile = fopen( gcdaFileName, "w" );
gcdaFile.open( gcdaFileName );
if ( !gcdaFile ) {
fprintf( stderr, "Unable to create %s\n", gcdaFileName );
std::cerr << "Unable to create " << gcdaFileName << std::endl;
return false;
}
@ -133,9 +129,11 @@ namespace Gcov {
preamble.timestamp = gcnoPreamble.timestamp;
//Write preamble
status = fwrite (&preamble , sizeof( preamble ), 1 , gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing gcda preamble to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &preamble , 4 * sizeof( preamble ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing gcda preamble to a file "
<< gcdaFileName << std::endl;
}
//Write function info and counter counts
for (
@ -147,21 +145,27 @@ namespace Gcov {
//Write function announcement frame header (length always equals 2)
header.tag = GCOV_TAG_FUNCTION;
header.length = 2;
status = fwrite (&header, sizeof(header), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing function announcement to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &header, sizeof( header ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing function announcement to a file "
<< gcdaFileName << std::endl;
}
//Write function id
buffer = (*currentFunction).getId();
status = fwrite (&buffer, sizeof( buffer ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing function id to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &buffer, sizeof( buffer ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing function id to a file "
<< gcdaFileName << std::endl;
}
//Write function checksum
buffer = (*currentFunction).getChecksum();
status = fwrite (&buffer, sizeof( buffer ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing function checksum to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &buffer, sizeof( buffer ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing function checksum to a file "
<< gcdaFileName << std::endl;
}
// Determine how many counters there are
// and store their counts in buffer
@ -172,13 +176,19 @@ namespace Gcov {
//Write info about counters
header.tag = GCOV_TAG_COUNTER;
header.length = countersFound * 2;
status = fwrite (&header, sizeof( header ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing counter header to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &header, sizeof( header ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing counter header to a file "
<< gcdaFileName << std::endl;
}
status = fwrite (llBuffer, sizeof( uint64_t ), countersFound , gcdaFile );
if ( status != countersFound )
fprintf( stderr, "Error while writing counter data to a file %s\n", gcdaFileName );
bytes_before = gcdaFile.tellp();
gcdaFile.write( (char *) llBuffer, sizeof( uint64_t ) * countersFound );
if ( gcdaFile.tellp() - bytes_before != countersFound ) {
std::cerr << "Error while writing counter data to a file "
<< gcdaFileName << std::endl;
}
}
// Prepare frame with object file statistics
@ -192,12 +202,17 @@ namespace Gcov {
objectStats.sumMax = countersMax; // we have no clue
// Write data
status = fwrite (&header, sizeof( header ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing stats header to a file %s\n", gcdaFileName );
status = fwrite (&objectStats, sizeof( objectStats ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing object stats to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &header, sizeof( header ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing stats header to a file "
<< gcdaFileName << std::endl;
}
gcdaFile.write( (char *) &objectStats, sizeof( objectStats ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing object stats to a file "
<< gcdaFileName << std::endl;
}
// Prepare frame with program statistics
@ -211,25 +226,26 @@ namespace Gcov {
programStats.sumMax = countersMax; // we have no clue
// Write data
status = fwrite (&header, sizeof( header ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing stats header to a file %s\n", gcdaFileName );
status = fwrite (&programStats, sizeof( programStats ), 1, gcdaFile );
if ( status != 1 )
fprintf( stderr, "Error while writing program stats to a file %s\n", gcdaFileName );
gcdaFile.write( (char *) &header, sizeof( header ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing stats header to a file "
<< gcdaFileName << std::endl;
}
fclose( gcdaFile );
gcdaFile.write( (char *) &programStats, sizeof( programStats ) );
if ( gcdaFile.fail() ) {
std::cerr << "Error while writing program stats to a file "
<< gcdaFileName << std::endl;
}
return true;
}
bool GcovData::readFrame(
FILE* gcovFile
)
bool GcovData::readFrame( std::ifstream& gcovFile )
{
gcov_frame_header header;
char buffer[512];
uint32_t intBuffer[4096];
char intBuffer[16384];
uint32_t tempBlockId;
blocks_iterator_t tempBlockIterator;
int status;
@ -251,7 +267,8 @@ namespace Gcov {
GcovFunctionData newFunction;
if ( !readFunctionFrame(header, gcovFile, &newFunction) ){
fprintf( stderr, "Error while reading FUNCTION from gcov file...\n" );
std::cerr << "Error while reading FUNCTION from gcov file..."
<< std::endl;
return false;
}
@ -262,14 +279,13 @@ namespace Gcov {
case GCOV_TAG_BLOCKS:
status = fread( &intBuffer, 4, header.length, gcovFile );
if ( status != (int) header.length){
fprintf(
stderr, "Error while reading BLOCKS from gcov file...\n"
"Header lenght is %u instead of %u\n",
header.length,
status
);
gcovFile.read( intBuffer, header.length );
if ( gcovFile.gcount() != (int) header.length ) {
std::cerr << "Error while reading BLOCKS from gcov file..."
<< std::endl
<< "Header length is " << header.length
<< " instead of " << gcovFile.gcount()
<< std::endl;
return false;
}
@ -280,8 +296,8 @@ namespace Gcov {
case GCOV_TAG_ARCS:
status = fread( &intBuffer, 4, header.length, gcovFile );
if (status != (int) header.length){
gcovFile.read( intBuffer, header.length );
if ( gcovFile.gcount() != (int) header.length ) {
return false;
}
@ -292,12 +308,10 @@ namespace Gcov {
case GCOV_TAG_LINES:
status = fread( &intBuffer, 4, 2, gcovFile );
if (status != 2 || intBuffer[1] != 0){
fprintf(
stderr,
"Error while reading block id for LINES from gcov file..."
);
gcovFile.read( intBuffer, 2 );
if ( gcovFile.gcount() != 2 || intBuffer[1] != 0 ) {
std::cerr << "Error while reading block id for LINES from gcov "
<< "file..." << std::endl;
return false;
}
tempBlockId = intBuffer[0];
@ -309,9 +323,10 @@ namespace Gcov {
header.length -= readString(buffer, gcovFile);
functions.back().setBlockFileName( tempBlockIterator, buffer );
status = fread( &intBuffer, 4, header.length, gcovFile );
if (status != (int) header.length){
fprintf( stderr, "Error while reading LINES from gcov file..." );
gcovFile.read( intBuffer, header.length );
if ( gcovFile.gcount() != (int) header.length ) {
std::cerr << "Error while reading LINES from gcov file..."
<< std::endl;
return false;
}
@ -323,30 +338,30 @@ namespace Gcov {
default:
fprintf( stderr, "\n\nERROR - encountered unknown *.gcno tag : 0x%x\n", header.tag );
std::cerr << std::endl << std::endl
<< "ERROR - encountered unknown *.gcno tag : 0x"
<< std::hex << header.tag << std::dec << std::endl;
break;
}
return true;
}
int GcovData::readString(
char* buffer, //TODO: use global buffer here
FILE* gcovFile
)
int GcovData::readString( char* buffer, std::ifstream& gcovFile )
{
int status;
int length;
status = fread( &length, sizeof(int), 1, gcovFile );
if (status != 1){
fprintf( stderr, "ERROR: Unable to read string length from gcov file\n" );
gcovFile.read( (char *) &length, sizeof( int ) );
if ( gcovFile.gcount() != sizeof( int ) ) {
std::cerr << "ERROR: Unable to read string length from gcov file"
<< std::endl;
return -1;
}
status = fread( buffer, length * 4 , 1, gcovFile );
if (status != 1){
fprintf( stderr, "ERROR: Unable to read string from gcov file\n" );
gcovFile.read( buffer, length * 4 );
if ( gcovFile.gcount() != length * 4 ) {
std::cerr << "ERROR: Unable to read string from gcov file"
<< std::endl;
return -1;
}
@ -357,16 +372,16 @@ namespace Gcov {
int GcovData::readFrameHeader(
gcov_frame_header* header,
FILE* gcovFile
std::ifstream& gcovFile
)
{
int status;
int length;
length = sizeof(gcov_frame_header);
status = fread( header, length, 1, gcovFile );
if (status != 1){
//fprintf( stderr, "ERROR: Unable to read frame header from gcov file\n" );
gcovFile.read( (char *) header, length );
if ( gcovFile.gcount() != length ) {
std::cerr << "ERROR: Unable to read frame header from gcov file"
<< std::endl;
return -1;
}
@ -375,22 +390,23 @@ namespace Gcov {
int GcovData::readFilePreamble(
gcov_preamble* preamble,
FILE* gcovFile,
std::ifstream& gcovFile,
uint32_t desiredMagic
)
{
int status;
int length;
length = sizeof( gcov_preamble );
status = fread( preamble, sizeof( gcov_preamble), 1, gcovFile );
if (status <= 0) {
fprintf( stderr, "Error while reading file preamble\n" );
gcovFile.read( (char *) &preamble, 4 * sizeof( gcov_preamble ) );
if ( gcovFile.gcount() != 4 * sizeof( gcov_preamble ) ) {
std::cerr << "Error while reading file preamble" << std::endl;
return -1;
}
if ( preamble->magic != GCNO_MAGIC ) {
fprintf( stderr, "File is not a valid *.gcno output (magic: 0x%4x)\n", preamble->magic );
std::cerr << "File is not a valid *.gcno output (magic: 0x"
<< std::hex << std::setw( 4 ) << preamble->magic
<< ")" << std::endl;
return -1;
}
@ -399,17 +415,16 @@ namespace Gcov {
bool GcovData::readFunctionFrame(
gcov_frame_header header,
FILE* gcovFile,
std::ifstream& gcovFile,
GcovFunctionData* function
)
{
char buffer[512]; //TODO: use common buffers
uint32_t intBuffer[4096];
int status;
char intBuffer[16384];
status = fread( &intBuffer, 8, 1, gcovFile );
if (status != 1){
fprintf( stderr, "ERROR: Unable to read Function ID & checksum\n" );
gcovFile.read( (char *) &intBuffer, 8 );
if ( gcovFile.gcount() != 8 ) {
std::cerr << "ERROR: Unable to read Function ID & checksum" << std::endl;
return false;
}
header.length -= 2;
@ -420,9 +435,10 @@ namespace Gcov {
function->setFunctionName( buffer, symbolsToAnalyze_m );
header.length -= readString( buffer, gcovFile );
function->setFileName( buffer );
status = fread( &intBuffer, 4, header.length, gcovFile );
if (status <= 0){
fprintf( stderr, "ERROR: Unable to read Function starting line number\n" );
gcovFile.read( (char*) &intBuffer, 4 * header.length );
if (gcovFile.gcount() != 4 * header.length ) {
std::cerr << "ERROR: Unable to read Function starting line number"
<< std::endl;
return false;
}
function->setFirstLineNumber( intBuffer[0] );
@ -434,15 +450,15 @@ namespace Gcov {
{
functions_iterator_t currentFunction;
uint32_t i = 1; //iterator
FILE* textFile;
std::ofstream textFile;
// Debug message
// fprintf( stderr, "Writing file: %s\n", textFileName);
// std::cerr << "Writing file: " << textFileName << std::endl;
// Open the data file.
textFile = fopen( textFileName, "w" );
if ( !textFile ) {
fprintf( stderr, "Unable to create %s\n", textFileName );
textFile.open( textFileName );
if ( !textFile.is_open() ) {
std::cerr << "Unable to create " << textFileName << std::endl;
return false;
}
@ -459,25 +475,20 @@ namespace Gcov {
i++;
}
fclose ( textFile );
return true;
}
void GcovData::printGcnoFileInfo( FILE * textFile )
void GcovData::printGcnoFileInfo( std::ofstream& textFile )
{
fprintf(
textFile,
"\nFILE:\t\t\t%s\n"
"magic:\t\t\t%x\n"
"version:\t\t%x\n"
"timestamp:\t\t%x\n"
"functions found: \t%u\n\n",
gcnoFileName,
gcnoPreamble.magic,
gcnoPreamble.version,
gcnoPreamble.timestamp,
numberOfFunctions
);
textFile << std::endl << "FILE:\t\t\t" << gcnoFileName
<< std::endl << std::hex
<< "magic:\t\t\t" << gcnoPreamble.magic << std::endl
<< "version:\t\t" << gcnoPreamble.version << std::endl
<< "timestamp:\t\t" << gcnoPreamble.timestamp << std::endl
<< std::dec
<< "functions found: \t"
<< std::endl << std::endl << gcnoPreamble.timestamp
<< std::endl << std::endl;
}
void GcovData::writeGcovFile( )

View File

@ -10,6 +10,8 @@
#include <stdint.h>
#include <list>
#include <iostream>
#include <iomanip>
#include <fstream>
#include "GcovFunctionData.h"
#include "DesiredSymbols.h"
@ -86,7 +88,7 @@ class DesiredSymbols;
*
* @return Returns TRUE if the method succeeded and FALSE if it failed.
*/
bool readGcnoFile( const char* const fileName );
bool readGcnoFile( const std::string& fileName );
/*!
* This method writes the *.gcda file. It also produces and stores
@ -118,10 +120,10 @@ class DesiredSymbols;
uint32_t numberOfFunctions;
gcov_preamble gcnoPreamble;
char gcnoFileName[FILE_NAME_LENGTH];
char gcdaFileName[FILE_NAME_LENGTH];
char textFileName[FILE_NAME_LENGTH];
char cFileName[FILE_NAME_LENGTH];
std::string gcnoFileName;
std::string gcdaFileName;
std::string textFileName;
std::string cFileName;
functions_t functions;
@ -132,9 +134,7 @@ class DesiredSymbols;
*
* @return true if read was succesfull, false otherwise
*/
bool readFrame(
FILE* gcovFile
);
bool readFrame( std::ifstream& gcovFile );
/*!
* This method reads a string from gcov file
@ -144,10 +144,7 @@ class DesiredSymbols;
*
* @return Returns length of words read (word = 32bit) or -1 if error ocurred
*/
int readString(
char* buffer,
FILE* gcovFile
);
int readString( char* buffer, std::ifstream& gcovFile );
/*!
* This method reads a frame header from gcov file
@ -158,10 +155,7 @@ class DesiredSymbols;
* @return Returns length of words read (word = 32bit)
* or -1 if error ocurred
*/
int readFrameHeader(
gcov_frame_header* header,
FILE* gcovFile
);
int readFrameHeader( gcov_frame_header* header, std::ifstream& gcovFile );
/*!
* This method reads a frame header from gcov file
@ -175,7 +169,7 @@ class DesiredSymbols;
*/
int readFilePreamble(
gcov_preamble* preamble,
FILE* gcovFile,
std::ifstream& gcovFile,
const uint32_t desiredMagic
);
@ -190,7 +184,7 @@ class DesiredSymbols;
*/
bool readFunctionFrame(
gcov_frame_header header,
FILE* gcovFile,
std::ifstream& gcovFile,
GcovFunctionData* function
);
@ -198,7 +192,7 @@ class DesiredSymbols;
* This method prints info about previously read *.gcno file
* to a specified report file
*/
void printGcnoFileInfo( FILE * textFile );
void printGcnoFileInfo( std::ofstream& textFile );
/*!
* This member variable contains the symbols to be analyzed

View File

@ -45,7 +45,7 @@ namespace Gcov {
}
bool GcovFunctionData::setFunctionName(
const char* fcnName,
const std::string& fcnName,
Coverage::DesiredSymbols& symbolsToAnalyze
)
{
@ -53,16 +53,13 @@ namespace Gcov {
symbolName = fcnName;
if ( strlen(fcnName) >= FUNCTION_NAME_LENGTH ) {
fprintf(
stderr,
"ERROR: Function name is too long to be correctly stored: %u\n",
(unsigned int) strlen(fcnName)
);
if ( fcnName.length() >= FUNCTION_NAME_LENGTH ) {
std::cerr << "ERROR: Function name is too long to be correctly stored: "
<< fcnName.length() << std::endl;
return false;
}
strcpy (functionName, fcnName);
functionName = fcnName;
// Tie function to its coverage map
symbolInfo = symbolsToAnalyze.find( symbolName );
@ -70,34 +67,26 @@ namespace Gcov {
coverageMap = symbolInfo->unifiedCoverageMap;
#if 0
if ( coverageMap == NULL) {
fprintf(
stderr,
"ERROR: Could not find coverage map for: %s\n",
symbolName.c_str()
);
if ( coverageMap == NULL ) {
std::cerr << "ERROR: Could not find coverage map for: " << symbolName
<< std::endl;
} else {
fprintf(
stderr,
"SUCCESS: Hound coverage map for: %s\n",
symbolName.c_str()
);
}
std::cerr << "SUCCESS: Found coverage map for: " << symbolName
<< std::endl;
}
#endif
return true;
}
bool GcovFunctionData::setFileName( const char* fileName ) {
if ( strlen(fileName) >= FILE_NAME_LENGTH ){
fprintf(
stderr,
"ERROR: File name is too long to be correctly stored: %u\n",
(unsigned int) strlen(fileName)
);
bool GcovFunctionData::setFileName( const std::string& fileName ) {
if ( fileName.length() >= FILE_NAME_LENGTH ) {
std::cerr << "ERROR: File name is too long to be correctly stored: "
<< fileName.length() << std::endl;
return false;
}
strcpy (sourceFileName, fileName);
sourceFileName = fileName;
return true;
}
@ -172,9 +161,9 @@ namespace Gcov {
}
void GcovFunctionData::addBlock(
const uint32_t id,
const uint32_t flags,
const char * sourceFileName
const uint32_t id,
const uint32_t flags,
const std::string& sourceFileName
)
{
gcov_block_info block;
@ -184,44 +173,35 @@ namespace Gcov {
block.flags = flags;
block.numberOfLines = 0;
block.counter = 0;
strcpy (block.sourceFileName, sourceFileName);
block.sourceFileName = sourceFileName;
blocks.push_back(block);
}
void GcovFunctionData::printFunctionInfo(
FILE * textFile,
uint32_t function_number
std::ofstream& textFile,
uint32_t function_number
)
{
blocks_iterator_t currentBlock;
arcs_iterator_t currentArc;
fprintf(
textFile,
"\n\n=========================="
"FUNCTION %3d "
"==========================\n\n",
function_number
);
fprintf(
textFile,
"Name: %s\n"
"File: %s\n"
"Line: %u\n"
"Id: %u\n"
"Checksum: 0x%x\n\n",
functionName,
sourceFileName,
firstLineNumber,
id,
checksum
);
textFile << std::endl << std::endl
<< "=========================="
<< "FUNCTION " << std::setw( 3 ) << function_number
<< "=========================="
<< std::endl << std::endl
<< "Name: " << functionName << std::endl
<< "File: " << sourceFileName << std::endl
<< "Line: " << firstLineNumber << std::endl
<< "Id: " << id << std::endl
<< "Checksum: 0x" << std::hex << checksum << std::dec
<< std::endl << std::endl;
// Print arcs info
for ( currentArc = arcs.begin(); currentArc != arcs.end(); currentArc++ ) {
printArcInfo( textFile, currentArc );
}
fprintf( textFile, "\n");
textFile << std::endl;
// Print blocks info
for ( currentBlock = blocks.begin();
@ -233,8 +213,8 @@ namespace Gcov {
}
void GcovFunctionData::printCoverageInfo(
FILE *textFile,
uint32_t function_number
std::ofstream& textFile,
uint32_t function_number
)
{
uint32_t baseAddress = 0;
@ -254,12 +234,12 @@ namespace Gcov {
}
baseSize = coverageMap->getSize();
fprintf(
textFile,
"\nInstructions (Base address: 0x%08x, Size: %4u): \n\n",
baseAddress,
baseSize
);
textFile << std::endl << "Instructions (Base address: 0x"
<< std::setfill( '0' ) << std::setw( 8 )
<< std::hex << baseAddress << std::dec << std::setfill( ' ' )
<< ", Size: " << std::setw( 4 ) << baseSize
<< "):" << std::endl << std::endl;
for ( instruction = symbolInfo->instructions.begin();
instruction != symbolInfo->instructions.end();
instruction++
@ -267,27 +247,30 @@ namespace Gcov {
{
if ( instruction->isInstruction ) {
currentAddress = instruction->address - baseAddress;
fprintf( textFile, "0x%-70s ", instruction->line.c_str() );
fprintf( textFile, "| 0x%08x ", currentAddress );
fprintf( textFile, "*");
fprintf( textFile,
"| exec: %4u ",
coverageMap->getWasExecuted( currentAddress )
);
fprintf( textFile, "| taken/not: %4u/%4u ",
coverageMap->getWasTaken( currentAddress ),
coverageMap->getWasNotTaken( currentAddress )
);
textFile << std::left << "0x" << std::setw( 70 )
<< instruction->line.c_str() << " " << std::right
<< "| 0x" << std::hex << std::setfill( '0' )
<< std::setw( 8 ) << currentAddress << " "
<< std::dec << std::setfill( ' ' )
<< "*| exec: " << std::setw( 4 )
<< coverageMap->getWasExecuted( currentAddress )
<< " | taken/not: " << std::setw( 4 )
<< coverageMap->getWasTaken( currentAddress )
<< "/" << std::setw( 4 )
<< coverageMap->getWasNotTaken( currentAddress )
<< " ";
if ( instruction->isBranch )
fprintf( textFile, "| Branch " );
textFile << "| Branch ";
else
fprintf( textFile, " " );
textFile << " ";
if ( instruction->isNop )
fprintf( textFile, "| NOP(%3u) \n", instruction->nopSize );
textFile << "| NOP(" << std::setw( 3 ) << instruction->nopSize
<< ") " << std::endl;
else
fprintf( textFile, " \n" );
textFile << " " << std::endl;
}
}
}
@ -295,10 +278,10 @@ namespace Gcov {
void GcovFunctionData::setBlockFileName(
const blocks_iterator_t block,
const char *fileName
const std::string& fileName
)
{
strcpy(block->sourceFileName, fileName);
block->sourceFileName = fileName;
}
void GcovFunctionData::addBlockLine(
@ -310,9 +293,7 @@ namespace Gcov {
(block->numberOfLines)++;
}
blocks_iterator_t GcovFunctionData::findBlockById(
const uint32_t id
)
blocks_iterator_t GcovFunctionData::findBlockById( const uint32_t id )
{
blocks_iterator_t blockIterator;
@ -324,78 +305,70 @@ namespace Gcov {
blockIterator++;
}
} else {
fprintf(
stderr,
"ERROR: GcovFunctionData::findBlockById() failed, no blocks present\n"
);
std::cerr << "ERROR: GcovFunctionData::findBlockById() failed"
<< ", no blocks present" << std::endl;
}
return blockIterator;
}
void GcovFunctionData::printArcInfo(
FILE * textFile, arcs_iterator_t arc
std::ofstream& textFile,
arcs_iterator_t arc
)
{
fprintf(
textFile,
" > ARC %3u -> %3u ",
arc->sourceBlock,
arc->destinationBlock
);
textFile << " > ARC " << std::setw( 3 ) << arc->sourceBlock
<< " -> " << arc->destinationBlock << " ";
fprintf( textFile, "\tFLAGS: ");
switch ( arc->flags ){
textFile << "\tFLAGS: ";
switch ( arc->flags ) {
case 0:
fprintf( textFile, "( ___________ ____ _______ )");
textFile << "( ___________ ____ _______ )";
break;
case 1:
fprintf( textFile, "( ___________ ____ ON_TREE )");
textFile << "( ___________ ____ ON_TREE )";
break;
case 2:
fprintf( textFile, "( ___________ FAKE _______ )");
textFile << "( ___________ FAKE _______ )";
break;
case 3:
fprintf( textFile, "( ___________ FAKE ON_TREE )");
textFile << "( ___________ FAKE ON_TREE )";
break;
case 4:
fprintf( textFile, "( FALLTHROUGH ____ _______ )");
textFile << "( FALLTHROUGH ____ _______ )";
break;
case 5:
fprintf( textFile, "( FALLTHROUGH ____ ON_TREE )");
textFile << "( FALLTHROUGH ____ ON_TREE )";
break;
default:
fprintf( textFile, "( =======FLAGS_ERROR====== )");
fprintf( stderr,
" ERROR: Unknown arc flag: 0x%x\n",
arcs.back().flags
);
textFile << "( =======FLAGS_ERROR====== )";
std::cerr << " ERROR: Unknown arc flag: 0x"
<< std::hex << arcs.back().flags << std::endl
<< std::dec;
break;
}
fprintf( textFile, "\tTaken: %5" PRIu64 "\n", (uint64_t) arc->counter );
textFile << "\tTaken: " << std::setw( 5 ) << arc->counter << std::endl;
}
void GcovFunctionData::printBlockInfo(
FILE * textFile,
std::ofstream& textFile,
blocks_iterator_t block
)
{
std::list<uint32_t>::iterator line;
fprintf(
textFile,
" > BLOCK %3u from %s\n"
" -counter: %5" PRIu64 "\n"
" -flags: 0x%" PRIx32 "\n"
" -lines: ",
block->id,
block->sourceFileName,
(uint64_t) block->counter,
block->flags
);
if ( !block->lines.empty( ) )
for ( line = block->lines.begin() ; line != block->lines.end(); line++ )
fprintf ( textFile, "%u, ", *line);
fprintf ( textFile, "\n");
textFile << " > BLOCK " << std::setw( 3 ) << block->id
<< " from " << block->sourceFileName << std::endl
<< " -counter: " << std::setw( 5 ) << block->counter << std::endl
<< " -flags: 0x" << std::hex << block->flags << std::endl
<< " -lines: ";
if ( !block->lines.empty() )
for ( line = block->lines.begin(); line != block->lines.end(); line++ ) {
textFile << *line << ", ";
}
textFile << std::endl;
}
bool GcovFunctionData::processFunctionCounters( void ) {
@ -410,14 +383,12 @@ namespace Gcov {
std::list<uint64_t> taken; // List of taken counts for branches
std::list<uint64_t> notTaken; // List of not taken counts for branches
//fprintf( stderr, "DEBUG: Processing counters for file: %s\n", sourceFileName );
if ( blocks.empty() || arcs.empty() || coverageMap == NULL || symbolInfo->instructions.empty())
{
//fprintf( stderr,
// "DEBUG: sanity check returned false for function: %s from file: %s\n",
// functionName,
// sourceFileName
//);
//std::cerr << "DEBUG: Processing counters for file: " << sourceFileName
// << std::endl;
if ( blocks.empty() || arcs.empty() || coverageMap == NULL || symbolInfo->instructions.empty()) {
//std::cerr << "DEBUG: sanity check returned false for function: "
// << functionName << " from file: " << sourceFileName
// << std::endl;
return false;
}
@ -433,20 +404,19 @@ namespace Gcov {
// Find taken/not taken values for branches
if ( !processBranches( &taken , &notTaken ) )
{
//fprintf( stderr,
// "ERROR: Failed to process branches for function: %s from file: %s\n",
// functionName,
// sourceFileName
//);
//std::cerr << "ERROR: Failed to process branches for function: "
// << functionName << " from file: " << sourceFileName
// << std::endl;
return false;
};
// Process the branching arcs
while ( blockIterator != blocks.end() ) {
//fprintf( stderr, "DEBUG: Processing branches\n" );
//std::cerr << "DEBUG: Processing branches" << std::endl;
while ( arcIterator->sourceBlock != blockIterator->id ) {
if ( arcIterator == arcs.end() ) {
//fprintf( stderr, "ERROR: Unexpectedly runned out of arcs to analyze\n" );
//std::cerr << "ERROR: Unexpectedly runned out of arcs to analyze"
// << std::endl;
return false;
}
arcIterator++;
@ -464,15 +434,16 @@ namespace Gcov {
!( arcIterator2->flags & FAKE_ARC_FLAG )
) {
if ( taken.empty() || notTaken.empty() ) {
fprintf(
stderr,
"ERROR: Branchess missing for function: %s from file: %s\n",
functionName,
sourceFileName
);
std::cerr << "ERROR: Branches missing for function: "
<< functionName << " from file: " << sourceFileName
<< std::endl;
return false;
}
//fprintf( stderr, "DEBUG: Found true branching arc %3u -> %3u\n", arcIterator->sourceBlock, arcIterator->destinationBlock );
//std::cerr << "DEBUG: Found true branching arc "
// << std::setw( 3 ) << arcIterator->sourceBlock << " -> "
// << std::setw( 3 ) << arcIteratior->destinationBlock
// << std::endl;
if ( arcIterator->flags & FALLTHROUGH_ARC_FLAG ) {
arcIterator->counter = notTaken.front();
notTaken.pop_front();
@ -513,7 +484,8 @@ namespace Gcov {
while ( blockIterator != blocks.end() ) {
while ( arcIterator->sourceBlock != blockIterator->id ) {
if ( arcIterator == arcs.end() ) {
fprintf( stderr, "ERROR: Unexpectedly runned out of arcs to analyze\n" );
std::cerr << "ERROR: Unexpectedly runned out of arcs to analyze"
<< std::endl;
return false;
}
arcIterator++;
@ -522,11 +494,9 @@ namespace Gcov {
// If this is the last arc, propagate counter and exit
if ( arcIterator2 == arcs.end() ) {
//fprintf( stderr,
// "DEBUG: Found last arc %3u -> %3u\n",
// arcIterator->sourceBlock,
// arcIterator->destinationBlock
//);
//std::cerr << "DEBUG: Found last arc " << std::setw( 3 )
// << arcIterator->sourceBlock << " -> " << std::setw( 3 )
// << arcIterator->destinationBlock << std::endl;
arcIterator->counter = blockIterator->counter;
blockIterator2 = blocks.begin();
while ( arcIterator->destinationBlock != blockIterator2->id) //TODO: ADD FAILSAFE
@ -537,7 +507,9 @@ namespace Gcov {
// If this is not a branch, propagate counter and continue
if ( arcIterator->sourceBlock != arcIterator2->sourceBlock ) {
//fprintf( stderr, "DEBUG: Found simple arc %3u -> %3u\n", arcIterator->sourceBlock, arcIterator->destinationBlock );
//std::cerr << "DEBUG: Found simple arc " << std::setw( 3 )
// << arcIterator->sourceBlock << " -> " << std::setw( 3 )
// << arcIterator->destinationBlock << std::endl;
arcIterator->counter = blockIterator->counter;
blockIterator2 = blocks.begin();;
while ( arcIterator->destinationBlock != blockIterator2->id) //TODO: ADD FAILSAFE
@ -548,7 +520,9 @@ namespace Gcov {
// If this is a branch with FAKE arc
else if ( (arcIterator->sourceBlock == arcIterator2->sourceBlock ) && ( arcIterator2->flags & FAKE_ARC_FLAG ))
{
//fprintf( stderr, "DEBUG: Found fake branching arc %3u -> %3u\n", arcIterator->sourceBlock, arcIterator->destinationBlock );
//std::cerr << "DEBUG: Found fake branching arc " << std::setw( 3 )
// << arcIterator->sourceBlock << " -> " << std::setw( 3 )
// << arcIterator->destinationBlock << std::endl;
arcIterator->counter = blockIterator->counter;
blockIterator2 = blocks.begin();
while ( arcIterator->destinationBlock != blockIterator2->id) //TODO: ADD FAILSAFE
@ -582,7 +556,8 @@ namespace Gcov {
break;
}
//fprintf( stderr, "DEBUG: Processing instructions in search of branches\n" );
// std::cerr << "DEBUG: Processing instructions in search of branches"
// << std::endl;
for (instruction = symbolInfo->instructions.begin(); instruction != symbolInfo->instructions.end(); instruction++)
{
if ( instruction->isInstruction) {
@ -590,11 +565,12 @@ namespace Gcov {
if ( instruction->isBranch ) {
taken->push_back ( (uint64_t) coverageMap->getWasTaken( currentAddress ) );
notTaken->push_back ( (uint64_t) coverageMap->getWasNotTaken( currentAddress ) );
//fprintf( stderr,
// "Added branch to list taken/not: %4u/%4u\n",
// coverageMap->getWasTaken( currentAddress ),
// coverageMap->getWasNotTaken( currentAddress )
//);
//std::cerr << "Added branch to list taken/not: " << std::setw( 4 )
// << coverageMap->getWasTaken( currentAddress )
// << "/" << std::setw( 4 )
// << coverageMap->getWasNotTaken( currentAddress )
// << std::endl;
}
}
}

View File

@ -9,6 +9,8 @@
#include <stdint.h>
#include <list>
#include <fstream>
#include <iomanip>
#include "CoverageMapBase.h"
#include "DesiredSymbols.h"
@ -35,7 +37,7 @@ struct gcov_block_info
uint32_t flags;
uint32_t numberOfLines;
uint64_t counter;
char sourceFileName[FILE_NAME_LENGTH];
std::string sourceFileName;
std::list<uint32_t> lines;
};
@ -101,7 +103,7 @@ class DesiredSymbols;
* @return Returns TRUE if the method succeeded and FALSE if it failed.
*/
bool setFunctionName(
const char* fcnName,
const std::string& fcnName,
Coverage::DesiredSymbols& symbolsToAnalyze
);
@ -112,9 +114,7 @@ class DesiredSymbols;
*
* @return Returns TRUE if the method succeeded and FALSE if it failed.
*/
bool setFileName(
const char* fileName
);
bool setFileName( const std::string& fileName );
/*!
* This method stores name of the source file where block is located
@ -126,7 +126,7 @@ class DesiredSymbols;
*/
void setBlockFileName(
const blocks_iterator_t block,
const char* fileName
const std::string& fileName
);
/*!
@ -194,9 +194,7 @@ class DesiredSymbols;
*
* @return Returns iterator to a matching block or NULL for error.
*/
blocks_iterator_t findBlockById(
const uint32_t id
);
blocks_iterator_t findBlockById( const uint32_t id );
/*!
* This method adds new block to block list
@ -208,18 +206,24 @@ class DesiredSymbols;
void addBlock(
const uint32_t id,
const uint32_t flags,
const char * sourceFileName
const std::string& sourceFileName
);
/*!
* This method prints info about function
*/
void printFunctionInfo( FILE * textFile, uint32_t function_number );
void printFunctionInfo(
std::ofstream& textFile,
uint32_t function_number
);
/*!
* This method prints info about coverage of this function
*/
void printCoverageInfo( FILE * textFile, uint32_t function_number );
void printCoverageInfo(
std::ofstream& textFile,
uint32_t function_number
);
/*!
* This method prints info about chosen arc in arcs list
@ -227,20 +231,14 @@ class DesiredSymbols;
* @param[in] textFile specifies output file
* @param[in] arc passes iterator identifying arc
*/
void printArcInfo(
FILE * textFile,
arcs_iterator_t arc
);
void printArcInfo( std::ofstream& textFile, arcs_iterator_t arc );
/*!
* This method prints info about chosen block in blocks list
*
* @param[in] block passes iterator identifying block
*/
void printBlockInfo(
FILE * textFile,
blocks_iterator_t block
);
void printBlockInfo( std::ofstream& textFile, blocks_iterator_t block );
/*!
* This method calculates values of arc counters
@ -256,8 +254,8 @@ class DesiredSymbols;
uint32_t numberOfArcs;
arcs_t arcs;
blocks_t blocks;
char functionName[FUNCTION_NAME_LENGTH];
char sourceFileName[FILE_NAME_LENGTH];
std::string functionName;
std::string sourceFileName;
/*!
* This member contains the unified or merged coverage map