1 | /*! @file CoverageReaderTSIM.cc |
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2 | * @brief CoverageReaderTSIM Implementation |
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3 | * |
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4 | * This file contains the implementation of the CoverageReader class |
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5 | * for the coverage files written by the SPARC simulator TSIM. |
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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 <sys/stat.h> |
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11 | |
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12 | #include "app_common.h" |
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13 | #include "CoverageReaderTSIM.h" |
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14 | #include "CoverageMap.h" |
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15 | #include "ExecutableInfo.h" |
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16 | |
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17 | namespace Coverage { |
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18 | |
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19 | CoverageReaderTSIM::CoverageReaderTSIM() |
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20 | { |
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21 | |
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22 | } |
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23 | |
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24 | CoverageReaderTSIM::~CoverageReaderTSIM() |
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25 | { |
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26 | } |
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27 | |
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28 | void CoverageReaderTSIM::processFile( |
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29 | const char* const file, |
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30 | ExecutableInfo* const executableInformation |
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31 | ) |
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32 | { |
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33 | CoverageMapBase* aCoverageMap = NULL; |
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34 | int baseAddress; |
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35 | int cover; |
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36 | FILE* coverageFile; |
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37 | int i; |
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38 | int status; |
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39 | |
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40 | // |
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41 | // Open the coverage file. |
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42 | // |
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43 | coverageFile = fopen( file, "r" ); |
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44 | if (!coverageFile) { |
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45 | fprintf( |
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46 | stderr, |
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47 | "ERROR: CoverageReaderTSIM::processFile - Unable to open %s\n", |
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48 | file |
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49 | ); |
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50 | exit( -1 ); |
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51 | } |
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52 | |
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53 | // |
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54 | // Read and process each line of the coverage file. |
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55 | // |
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56 | while ( 1 ) { |
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57 | status = fscanf( coverageFile, "%x : ", &baseAddress ); |
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58 | if (status == EOF || status == 0) { |
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59 | break; |
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60 | } |
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61 | |
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62 | for (i=0; i < 0x80; i+=4) { |
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63 | unsigned int a; |
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64 | status = fscanf( coverageFile, "%x", &cover ); |
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65 | if (status == EOF || status == 0) { |
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66 | fprintf( |
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67 | stderr, |
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68 | "CoverageReaderTSIM: WARNING! Short line in %s at address 0x%08x\n", |
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69 | file, |
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70 | baseAddress |
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71 | ); |
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72 | break; |
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73 | } |
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74 | |
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75 | // |
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76 | // Obtain the coverage map containing the address and |
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77 | // mark the address as executed. |
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78 | // |
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79 | a = baseAddress + i; |
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80 | aCoverageMap = executableInformation->getCoverageMap( a ); |
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81 | if ( !aCoverageMap ) |
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82 | continue; |
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83 | if ( cover & 0x01 ) { |
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84 | aCoverageMap->setWasExecuted( a ); |
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85 | aCoverageMap->setWasExecuted( a + 1 ); |
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86 | aCoverageMap->setWasExecuted( a + 2 ); |
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87 | aCoverageMap->setWasExecuted( a + 3 ); |
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88 | if ( cover & 0x08 ) { |
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89 | aCoverageMap->setWasTaken( a ); |
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90 | BranchInfoAvailable = true; |
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91 | } |
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92 | if ( cover & 0x10 ) { |
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93 | aCoverageMap->setWasNotTaken( a ); |
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94 | BranchInfoAvailable = true; |
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95 | } |
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96 | } |
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97 | } |
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98 | } |
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99 | |
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100 | fclose( coverageFile ); |
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101 | } |
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102 | } |
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