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https://git.rtems.org/rtems-tools/
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112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/*! @file CoverageReaderSkyeye.cc
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* @brief CoverageReaderSkyeye Implementation
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*
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* This file contains the implementation of the functions supporting
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* reading the Skyeye coverage data files.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <iomanip>
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#include "CoverageReaderSkyeye.h"
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#include "CoverageMap.h"
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#include "ExecutableInfo.h"
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#include "skyeye_header.h"
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namespace Coverage {
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CoverageReaderSkyeye::CoverageReaderSkyeye()
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{
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}
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CoverageReaderSkyeye::~CoverageReaderSkyeye()
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{
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}
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void CoverageReaderSkyeye::processFile(
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const char* const file,
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ExecutableInfo* const executableInformation
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)
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{
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CoverageMapBase* aCoverageMap = NULL;
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uintptr_t baseAddress;
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uint8_t cover;
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FILE* coverageFile;
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prof_header_t header;
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uintptr_t i;
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uintptr_t length;
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int status;
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//
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// Open the coverage file and read the header.
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//
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coverageFile = ::fopen( file, "r" );
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if (!coverageFile) {
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std::ostringstream what;
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what << "Unable to open " << file;
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throw rld::error( what, "CoverageReaderSkyeye::processFile" );
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}
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status = ::fread( &header, sizeof(header), 1, coverageFile );
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if (status != 1) {
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::fclose( coverageFile );
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std::ostringstream what;
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what << "Unable to read header from " << file;
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throw rld::error( what, "CoverageReaderSkyeye::processFile" );
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}
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baseAddress = header.prof_start;
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length = header.prof_end - header.prof_start;
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//
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// Read and process each line of the coverage file.
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//
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for (i = 0; i < length; i += 8) {
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status = ::fread( &cover, sizeof(uint8_t), 1, coverageFile );
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if (status != 1) {
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std::cerr << "CoverageReaderSkyeye::ProcessFile - breaking after 0x"
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<< std::hex << std::setfill('0')
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<< std::setw(8) << i
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<< std::setfill(' ') << std::dec
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<< " in " << file
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<< std::endl;
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break;
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}
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//
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// Obtain the coverage map containing the address and
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// mark the address as executed.
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//
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// NOTE: This method ONLY works for Skyeye in 32-bit mode.
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//
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if (cover & 0x01) {
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aCoverageMap = executableInformation->getCoverageMap( baseAddress + i );
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if (aCoverageMap) {
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aCoverageMap->setWasExecuted( baseAddress + i );
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aCoverageMap->setWasExecuted( baseAddress + i + 1 );
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aCoverageMap->setWasExecuted( baseAddress + i + 2 );
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aCoverageMap->setWasExecuted( baseAddress + i + 3 );
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}
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}
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if (cover & 0x10) {
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aCoverageMap = executableInformation->getCoverageMap(
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baseAddress + i + 4
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);
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if (aCoverageMap) {
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aCoverageMap->setWasExecuted( baseAddress + i + 4 );
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aCoverageMap->setWasExecuted( baseAddress + i + 5 );
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aCoverageMap->setWasExecuted( baseAddress + i + 6 );
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aCoverageMap->setWasExecuted( baseAddress + i + 7 );
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}
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}
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}
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::fclose( coverageFile );
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}
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}
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