1 | /*! @file CoverageWriterRTEMS.cc |
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2 | * @brief CoverageWriterRTEMS Implementation |
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3 | * |
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4 | * This file contains the implementation of the functions supporting |
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5 | * the unified overage file format. |
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6 | */ |
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7 | |
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8 | #include <stdio.h> |
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9 | #include <stdlib.h> |
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10 | #include <string.h> |
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11 | |
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12 | #include "CoverageWriterRTEMS.h" |
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13 | #include "rtemscov_header.h" |
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14 | |
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15 | namespace Coverage { |
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16 | |
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17 | CoverageWriterRTEMS::CoverageWriterRTEMS() |
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18 | { |
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19 | } |
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20 | |
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21 | CoverageWriterRTEMS::~CoverageWriterRTEMS() |
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22 | { |
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23 | } |
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24 | |
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25 | void CoverageWriterRTEMS::writeFile( |
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26 | const char* const file, |
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27 | CoverageMapBase* coverage, |
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28 | uint32_t lowAddress, |
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29 | uint32_t highAddress |
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30 | ) |
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31 | { |
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32 | FILE* coverageFile; |
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33 | uint32_t a; |
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34 | int status; |
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35 | uint8_t cover; |
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36 | rtems_coverage_map_header_t header; |
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37 | |
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38 | /* |
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39 | * read the file and update the coverage map passed in |
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40 | */ |
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41 | coverageFile = fopen( file, "w" ); |
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42 | if ( !coverageFile ) { |
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43 | fprintf( |
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44 | stderr, |
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45 | "ERROR: CoverageWriterRTEMS::writeFile - unable to open %s\n", |
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46 | file |
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47 | ); |
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48 | exit(-1); |
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49 | } |
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50 | |
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51 | /* clear out the header and fill it in */ |
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52 | memset( &header, 0, sizeof(header) ); |
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53 | header.ver = 0x1; |
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54 | header.header_length = sizeof(header); |
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55 | header.start = lowAddress; |
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56 | header.end = highAddress; |
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57 | strcpy( header.desc, "RTEMS Coverage Data" ); |
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58 | |
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59 | status = fwrite(&header, 1, sizeof(header), coverageFile); |
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60 | if (status != sizeof(header)) { |
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61 | fprintf( |
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62 | stderr, |
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63 | "ERROR: CoverageWriterRTEMS::writeFile - unable to write header " |
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64 | "to %s\n", |
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65 | file |
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66 | ); |
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67 | exit(-1); |
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68 | } |
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69 | |
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70 | for ( a=lowAddress ; a < highAddress ; a++ ) { |
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71 | cover = ((coverage->wasExecuted( a )) ? 0x01 : 0); |
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72 | status = fwrite(&cover, 1, sizeof(cover), coverageFile); |
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73 | if (status != sizeof(cover)) { |
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74 | fprintf( |
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75 | stderr, |
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76 | "ERROR: CoverageWriterRTEMS::writeFile - write to %s " |
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77 | "at address 0x%08x failed\n", |
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78 | file, |
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79 | a |
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80 | ); |
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81 | exit( -1 ); |
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82 | } |
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83 | // fprintf( stderr, "0x%x %d\n", a, cover ); |
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84 | } |
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85 | |
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86 | fclose( coverageFile ); |
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87 | } |
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88 | } |
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