1 | #include <iostream> |
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2 | #include <iomanip> |
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3 | |
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4 | #include <cxxabi.h> |
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5 | #include <ctype.h> |
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6 | #include <errno.h> |
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7 | #include <fcntl.h> |
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8 | #include <limits.h> |
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9 | #include <signal.h> |
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10 | #include <stdio.h> |
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11 | #include <stdlib.h> |
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12 | #include <string.h> |
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13 | #include <sys/types.h> |
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14 | #include <sys/stat.h> |
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15 | #include <unistd.h> |
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16 | |
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17 | #include <list> |
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18 | |
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19 | #include <rld.h> |
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20 | #include <rld-process.h> |
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21 | |
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22 | #include "app_common.h" |
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23 | #include "CoverageFactory.h" |
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24 | #include "CoverageMap.h" |
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25 | #include "DesiredSymbols.h" |
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26 | #include "ExecutableInfo.h" |
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27 | #include "Explanations.h" |
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28 | #include "ObjdumpProcessor.h" |
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29 | #include "ReportsBase.h" |
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30 | #include "TargetFactory.h" |
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31 | #include "GcovData.h" |
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32 | |
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33 | #if defined(_WIN32) || defined(__CYGWIN__) |
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34 | #define kill(p,s) raise(s) |
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35 | #endif |
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36 | |
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37 | typedef std::list<std::string> CoverageNames; |
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38 | typedef std::list<Coverage::ExecutableInfo*> Executables; |
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39 | typedef std::string option_error; |
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40 | |
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41 | /* |
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42 | * Create a build path from the executable paths. Also extract the build prefix |
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43 | * and BSP names. |
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44 | */ |
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45 | static void createBuildPath(Executables& executablesToAnalyze, |
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46 | std::string& buildPath, |
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47 | std::string& buildPrefix, |
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48 | std::string& buildBSP) |
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49 | { |
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50 | for (const auto& exe : executablesToAnalyze) { |
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51 | rld::strings eparts; |
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52 | rld::split(eparts, rld::path::path_abs(exe->getFileName()), RLD_PATH_SEPARATOR); |
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53 | std::string fail; // empty means all is OK else an error string |
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54 | for (rld::path::paths::reverse_iterator pri = eparts.rbegin(); |
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55 | pri != eparts.rend(); |
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56 | ++pri) { |
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57 | if (*pri == "testsuites") { |
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58 | ++pri; |
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59 | if (pri == eparts.rend()) { |
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60 | fail = "invalid executable path, no BSP"; |
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61 | break; |
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62 | } |
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63 | if (buildBSP.empty()) { |
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64 | buildBSP = *pri; |
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65 | } else { |
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66 | if (buildBSP != *pri) { |
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67 | fail = "executable BSP does not match: " + buildBSP; |
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68 | break; |
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69 | } |
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70 | } |
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71 | ++pri; |
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72 | if (pri == eparts.rend() || *pri != "c") { |
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73 | fail = "invalid executable path, no 'c'"; |
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74 | break; |
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75 | } |
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76 | ++pri; |
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77 | if (pri == eparts.rend()) { |
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78 | fail = "invalid executable path, no arch prefix"; |
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79 | break; |
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80 | } |
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81 | if (buildPrefix.empty()) { |
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82 | buildPrefix = *pri; |
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83 | } else { |
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84 | if (buildPrefix != *pri) { |
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85 | fail = "executable build prefix does not match: " + buildPrefix; |
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86 | break; |
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87 | } |
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88 | } |
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89 | ++pri; |
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90 | if (pri == eparts.rend()) { |
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91 | fail = "invalid executable path, no build top"; |
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92 | break; |
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93 | } |
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94 | // |
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95 | // The remaining parts of the path is the build path. Iterator over them |
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96 | // and collect into a new paths variable to join to make a path. |
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97 | // |
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98 | rld::path::paths bparts; |
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99 | for (; pri != eparts.rend(); ++pri) |
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100 | bparts.insert(bparts.begin(), *pri); |
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101 | std::string thisBuildPath; |
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102 | rld::path::path_join(thisBuildPath, bparts, thisBuildPath); |
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103 | if (buildPath.empty()) { |
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104 | buildPath = thisBuildPath; |
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105 | } else { |
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106 | if (buildPath != thisBuildPath) { |
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107 | fail = "executable build path does not match: " + buildPath; |
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108 | } |
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109 | } |
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110 | break; |
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111 | } |
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112 | } |
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113 | if (!fail.empty()) { |
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114 | throw rld::error( fail, "createBuildPath" ); |
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115 | } |
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116 | } |
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117 | } |
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118 | |
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119 | /* |
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120 | * Print program usage message |
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121 | */ |
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122 | void usage(const std::string& progname) |
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123 | { |
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124 | std::cerr <<"Usage: " << progname |
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125 | <<" [-v] -T TARGET -f FORMAT [-E EXPLANATIONS] -1 EXECUTABLE coverage1 ... coverageN" << std::endl |
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126 | << "--OR--" << std::endl |
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127 | << "Usage: " << progname |
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128 | << " [-v] -T TARGET -f FORMAT [-E EXPLANATIONS] -e EXE_EXTENSION -c COVERAGEFILE_EXTENSION EXECUTABLE1 ... EXECUTABLE2" << std::endl |
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129 | << std::endl |
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130 | << " -v - verbose at initialization" << std::endl |
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131 | << " -T TARGET - target name" << std::endl |
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132 | << " -f FORMAT - coverage file format (RTEMS, QEMU, TSIM or Skyeye)" << std::endl |
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133 | << " -E EXPLANATIONS - name of file with explanations" << std::endl |
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134 | << " -S SYMBOL_SET_FILE - path to the INI format symbol sets" << std::endl |
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135 | << " -1 EXECUTABLE - name of executable to get symbols from" << std::endl |
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136 | << " -e EXE_EXTENSION - extension of the executables to analyze" << std::endl |
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137 | << " -c COVERAGEFILE_EXTENSION - extension of the coverage files to analyze" << std::endl |
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138 | << " -g GCNOS_LIST - name of file with list of *.gcno files" << std::endl |
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139 | << " -p PROJECT_NAME - name of the project" << std::endl |
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140 | << " -C ConfigurationFileName - name of configuration file" << std::endl |
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141 | << " -O Output_Directory - name of output directory (default=." << std::endl |
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142 | << " -d debug - disable cleaning of tempfile" << std::endl |
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143 | << std::endl; |
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144 | } |
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145 | |
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146 | int covoar( |
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147 | int argc, |
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148 | char** argv |
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149 | ) |
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150 | { |
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151 | CoverageNames coverageFileNames; |
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152 | std::string coverageFileName; |
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153 | Executables executablesToAnalyze; |
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154 | Coverage::ExecutableInfo* executableInfo = NULL; |
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155 | std::string executableExtension = "exe"; |
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156 | std::string coverageExtension = "cov"; |
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157 | Coverage::CoverageFormats_t coverageFormat = Coverage::COVERAGE_FORMAT_QEMU; |
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158 | Coverage::CoverageReaderBase* coverageReader = NULL; |
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159 | char* executable = NULL; |
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160 | const char* explanations = NULL; |
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161 | const char* gcnosFileName = NULL; |
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162 | char gcnoFileName[FILE_NAME_LENGTH]; |
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163 | char gcdaFileName[FILE_NAME_LENGTH]; |
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164 | char gcovBashCommand[256]; |
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165 | std::string target; |
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166 | const char* format = "html"; |
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167 | FILE* gcnosFile = NULL; |
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168 | Gcov::GcovData* gcovFile; |
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169 | const char* singleExecutable = NULL; |
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170 | rld::process::tempfile objdumpFile( ".dmp" ); |
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171 | rld::process::tempfile err( ".err" ); |
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172 | rld::process::tempfile syms( ".syms" ); |
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173 | bool debug = false; |
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174 | std::string symbolSet; |
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175 | std::string option; |
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176 | int opt; |
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177 | |
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178 | // |
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179 | // Process command line options. |
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180 | // |
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181 | |
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182 | while ((opt = getopt(argc, argv, "1:L:e:c:g:E:f:s:S:T:O:p:vd")) != -1) { |
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183 | switch (opt) { |
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184 | case '1': singleExecutable = optarg; break; |
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185 | case 'L': dynamicLibrary = optarg; break; |
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186 | case 'e': executableExtension = optarg; break; |
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187 | case 'c': coverageExtension = optarg; break; |
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188 | case 'g': gcnosFileName = optarg; break; |
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189 | case 'E': explanations = optarg; break; |
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190 | case 'f': format = optarg; break; |
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191 | case 'S': symbolSet = optarg; break; |
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192 | case 'T': target = optarg; break; |
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193 | case 'O': outputDirectory = optarg; break; |
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194 | case 'v': Verbose = true; |
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195 | rld::verbose_inc (); break; |
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196 | case 'p': projectName = optarg; break; |
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197 | case 'd': debug = true; break; |
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198 | default: /* '?' */ |
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199 | throw option_error( "unknown option" ); |
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200 | } |
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201 | } |
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202 | |
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203 | /* |
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204 | * Validate inputs. |
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205 | */ |
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206 | |
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207 | /* |
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208 | * Validate that we have a symbols of interest file. |
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209 | */ |
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210 | if ( symbolSet.empty() ) |
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211 | throw option_error( "symbol set file -S" ); |
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212 | |
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213 | /* |
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214 | * Has path to explanations.txt been specified. |
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215 | */ |
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216 | if ( !explanations ) |
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217 | throw option_error( "explanations -E" ); |
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218 | |
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219 | /* |
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220 | * Check for project name. |
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221 | */ |
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222 | if ( !projectName ) |
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223 | throw option_error( "project name -p" ); |
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224 | |
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225 | // If a single executable was specified, process the remaining |
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226 | // arguments as coverage file names. |
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227 | if (singleExecutable) { |
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228 | |
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229 | // Ensure that the executable is readable. |
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230 | if (!FileIsReadable( singleExecutable )) { |
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231 | std::cerr << "warning: Unable to read executable: " << singleExecutable |
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232 | << std::endl; |
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233 | } else { |
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234 | |
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235 | for (int i = optind; i < argc; i++) { |
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236 | // Ensure that the coverage file is readable. |
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237 | if (!FileIsReadable( argv[i] )) { |
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238 | std::cerr << "warning: Unable to read coverage file: " << argv[i] |
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239 | << std::endl; |
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240 | } else { |
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241 | coverageFileNames.push_back( argv[i] ); |
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242 | } |
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243 | } |
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244 | |
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245 | // If there was at least one coverage file, create the |
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246 | // executable information. |
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247 | if (!coverageFileNames.empty()) { |
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248 | if (dynamicLibrary) { |
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249 | executableInfo = new Coverage::ExecutableInfo( |
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250 | singleExecutable, dynamicLibrary |
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251 | ); |
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252 | } else { |
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253 | executableInfo = new Coverage::ExecutableInfo( singleExecutable ); |
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254 | } |
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255 | |
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256 | executablesToAnalyze.push_back( executableInfo ); |
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257 | } |
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258 | } |
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259 | } |
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260 | else { |
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261 | // If not invoked with a single executable, process the remaining |
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262 | // arguments as executables and derive the coverage file names. |
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263 | for (int i = optind; i < argc; i++) { |
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264 | // Ensure that the executable is readable. |
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265 | if (!FileIsReadable( argv[i] )) { |
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266 | std::cerr << "warning: Unable to read executable: " << argv[i] << std::endl; |
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267 | } else { |
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268 | coverageFileName = argv[i]; |
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269 | coverageFileName.append( "." + coverageExtension ); |
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270 | |
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271 | if (!FileIsReadable( coverageFileName.c_str() )) { |
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272 | std::cerr << "warning: Unable to read coverage file: " << coverageFileName |
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273 | << std::endl; |
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274 | } else { |
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275 | executableInfo = new Coverage::ExecutableInfo( argv[i] ); |
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276 | executablesToAnalyze.push_back( executableInfo ); |
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277 | coverageFileNames.push_back( coverageFileName ); |
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278 | } |
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279 | } |
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280 | } |
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281 | } |
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282 | |
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283 | // Ensure that there is at least one executable to process. |
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284 | if (executablesToAnalyze.empty()) |
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285 | throw rld::error( "No information to analyze", "covoar" ); |
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286 | |
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287 | // The executablesToAnalyze and coverageFileNames containers need |
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288 | // to be the name size of some of the code below breaks. Lets |
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289 | // check and make sure. |
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290 | if (executablesToAnalyze.size() != coverageFileNames.size()) |
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291 | throw rld::error( "executables and coverage name size mismatch", "covoar" ); |
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292 | |
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293 | // |
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294 | // Find the top of the BSP's build tree and if we have found the top |
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295 | // check the executable is under the same path and BSP. |
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296 | // |
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297 | std::string buildPath; |
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298 | std::string buildTarget; |
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299 | std::string buildBSP; |
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300 | createBuildPath(executablesToAnalyze, |
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301 | buildPath, |
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302 | buildTarget, |
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303 | buildBSP); |
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304 | |
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305 | // |
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306 | // Use a command line target if provided. |
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307 | // |
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308 | if (!target.empty()) { |
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309 | buildTarget = target; |
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310 | } |
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311 | |
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312 | if (Verbose) { |
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313 | if (singleExecutable) { |
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314 | std::cerr << "Processing a single executable and multiple coverage files" |
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315 | << std::endl; |
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316 | } else { |
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317 | std::cerr << "Processing multiple executable/coverage file pairs" << std::endl; |
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318 | } |
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319 | std::cerr << "Coverage Format : " << format << std::endl |
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320 | << "Target : " << buildTarget.c_str() << std::endl |
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321 | << std::endl; |
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322 | |
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323 | // Process each executable/coverage file pair. |
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324 | Executables::iterator eitr = executablesToAnalyze.begin(); |
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325 | for (const auto& cname : coverageFileNames) { |
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326 | std::cerr << "Coverage file " << cname |
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327 | << " for executable: " << (*eitr)->getFileName() << std::endl; |
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328 | if (!singleExecutable) |
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329 | eitr++; |
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330 | } |
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331 | } |
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332 | |
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333 | // |
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334 | // Create data to support analysis. |
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335 | // |
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336 | |
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337 | // Create data based on target. |
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338 | TargetInfo = Target::TargetFactory( buildTarget ); |
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339 | |
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340 | // Create the set of desired symbols. |
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341 | SymbolsToAnalyze = new Coverage::DesiredSymbols(); |
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342 | |
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343 | // |
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344 | // Read symbol configuration file and load needed symbols. |
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345 | // |
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346 | SymbolsToAnalyze->load( symbolSet, buildTarget, buildBSP, Verbose ); |
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347 | |
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348 | if ( Verbose ) |
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349 | std::cerr << "Analyzing " << SymbolsToAnalyze->set.size() |
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350 | << " symbols" << std::endl; |
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351 | |
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352 | // Create explanations. |
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353 | AllExplanations = new Coverage::Explanations(); |
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354 | if ( explanations ) |
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355 | AllExplanations->load( explanations ); |
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356 | |
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357 | // Create coverage map reader. |
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358 | coverageReader = Coverage::CreateCoverageReader(coverageFormat); |
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359 | if (!coverageReader) |
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360 | throw rld::error( "Unable to create coverage file reader", "covoar" ); |
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361 | |
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362 | // Create the objdump processor. |
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363 | objdumpProcessor = new Coverage::ObjdumpProcessor(); |
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364 | |
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365 | // Prepare each executable for analysis. |
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366 | for (auto& exe : executablesToAnalyze) { |
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367 | if (Verbose) |
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368 | std::cerr << "Extracting information from: " << exe->getFileName() |
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369 | << std::endl; |
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370 | |
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371 | // If a dynamic library was specified, determine the load address. |
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372 | if (dynamicLibrary) { |
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373 | exe->setLoadAddress( objdumpProcessor->determineLoadAddress( exe ) ); |
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374 | } |
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375 | |
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376 | // Load the objdump for the symbols in this executable. |
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377 | objdumpProcessor->load( exe, objdumpFile, err ); |
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378 | } |
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379 | |
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380 | // |
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381 | // Analyze the coverage data. |
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382 | // |
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383 | |
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384 | // Process each executable/coverage file pair. |
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385 | Executables::iterator eitr = executablesToAnalyze.begin(); |
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386 | for (const auto& cname : coverageFileNames) { |
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387 | Coverage::ExecutableInfo* exe = *eitr; |
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388 | if (Verbose) |
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389 | std::cerr << "Processing coverage file " << cname |
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390 | << " for executable " << exe->getFileName() |
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391 | << std::endl; |
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392 | |
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393 | // Process its coverage file. |
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394 | coverageReader->processFile( cname.c_str(), exe ); |
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395 | |
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396 | // Merge each symbols coverage map into a unified coverage map. |
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397 | exe->mergeCoverage(); |
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398 | |
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399 | // DEBUG Print ExecutableInfo content |
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400 | //exe->dumpExecutableInfo(); |
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401 | |
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402 | if (!singleExecutable) { |
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403 | eitr++; |
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404 | } |
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405 | } |
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406 | |
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407 | // Do necessary preprocessing of uncovered ranges and branches |
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408 | if (Verbose) |
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409 | std::cerr << "Preprocess uncovered ranges and branches" << std::endl; |
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410 | |
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411 | SymbolsToAnalyze->preprocess(); |
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412 | |
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413 | // |
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414 | // Generate Gcov reports |
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415 | // |
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416 | if (gcnosFileName) { |
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417 | if (Verbose) |
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418 | std::cerr << "Generating Gcov reports..." << std::endl; |
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419 | |
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420 | gcnosFile = fopen ( gcnosFileName , "r" ); |
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421 | |
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422 | if ( !gcnosFile ) |
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423 | std::cerr << "Unable to open " << gcnosFileName << std::endl; |
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424 | else { |
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425 | while ( fscanf( gcnosFile, "%s", inputBuffer ) != EOF) { |
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426 | gcovFile = new Gcov::GcovData(); |
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427 | strcpy( gcnoFileName, inputBuffer ); |
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428 | |
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429 | if ( Verbose ) |
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430 | std::cerr << "Processing file: " << gcnoFileName << std::endl; |
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431 | |
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432 | if ( gcovFile->readGcnoFile( gcnoFileName ) ) { |
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433 | // Those need to be in this order |
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434 | gcovFile->processCounters(); |
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435 | gcovFile->writeReportFile(); |
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436 | gcovFile->writeGcdaFile(); |
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437 | gcovFile->writeGcovFile(); |
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438 | } |
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439 | |
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440 | delete gcovFile; |
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441 | } |
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442 | fclose( gcnosFile ); |
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443 | } |
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444 | } |
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445 | |
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446 | // Determine the uncovered ranges and branches. |
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447 | if (Verbose) |
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448 | std::cerr << "Computing uncovered ranges and branches" << std::endl; |
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449 | |
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450 | SymbolsToAnalyze->computeUncovered(); |
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451 | |
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452 | // Calculate remainder of statistics. |
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453 | if (Verbose) |
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454 | std::cerr << "Calculate statistics" << std::endl; |
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455 | |
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456 | SymbolsToAnalyze->calculateStatistics(); |
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457 | |
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458 | // Look up the source lines for any uncovered ranges and branches. |
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459 | if (Verbose) |
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460 | std::cerr << "Looking up source lines for uncovered ranges and branches" |
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461 | << std::endl; |
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462 | |
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463 | SymbolsToAnalyze->findSourceForUncovered(); |
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464 | |
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465 | // |
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466 | // Report the coverage data. |
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467 | // |
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468 | if (Verbose) |
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469 | std::cerr << "Generate Reports" << std::endl; |
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470 | |
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471 | Coverage::GenerateReports(); |
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472 | |
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473 | // Write explanations that were not found. |
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474 | if ( explanations ) { |
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475 | std::string notFound; |
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476 | |
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477 | notFound = outputDirectory; |
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478 | notFound += "/"; |
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479 | notFound += "ExplanationsNotFound.txt"; |
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480 | |
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481 | if (Verbose) |
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482 | std::cerr << "Writing Not Found Report (" << notFound<< ')' << std::endl; |
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483 | |
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484 | AllExplanations->writeNotFound( notFound.c_str() ); |
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485 | } |
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486 | |
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487 | //Leave tempfiles around if debug flag (-d) is enabled. |
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488 | if ( debug ) { |
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489 | objdumpFile.override( "objdump_file" ); |
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490 | objdumpFile.keep(); |
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491 | err.override( "objdump_exec_log" ); |
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492 | err.keep(); |
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493 | syms.override( "symbols_list" ); |
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494 | syms.keep(); |
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495 | } |
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496 | |
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497 | return 0; |
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498 | } |
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499 | |
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500 | #define PrintableString(_s) \ |
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501 | ((!(_s)) ? "NOT SET" : (_s)) |
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502 | |
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503 | static void |
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504 | fatal_signal( int signum ) |
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505 | { |
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506 | signal( signum, SIG_DFL ); |
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507 | |
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508 | rld::process::temporaries_clean_up(); |
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509 | |
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510 | /* |
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511 | * Get the same signal again, this time not handled, so its normal effect |
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512 | * occurs. |
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513 | */ |
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514 | kill( getpid(), signum ); |
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515 | } |
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516 | |
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517 | static void |
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518 | setup_signals( void ) |
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519 | { |
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520 | if ( signal( SIGINT, SIG_IGN ) != SIG_IGN ) |
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521 | signal( SIGINT, fatal_signal ); |
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522 | #ifdef SIGHUP |
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523 | if ( signal( SIGHUP, SIG_IGN ) != SIG_IGN ) |
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524 | signal( SIGHUP, fatal_signal ); |
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525 | #endif |
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526 | if ( signal( SIGTERM, SIG_IGN ) != SIG_IGN ) |
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527 | signal( SIGTERM, fatal_signal ); |
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528 | #ifdef SIGPIPE |
---|
529 | if ( signal( SIGPIPE, SIG_IGN ) != SIG_IGN ) |
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530 | signal( SIGPIPE, fatal_signal ); |
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531 | #endif |
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532 | #ifdef SIGCHLD |
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533 | signal( SIGCHLD, SIG_DFL ); |
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534 | #endif |
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535 | } |
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536 | |
---|
537 | void |
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538 | unhandled_exception (void) |
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539 | { |
---|
540 | std::cerr << "error: exception handling error, please report" << std::endl; |
---|
541 | exit (1); |
---|
542 | } |
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543 | |
---|
544 | int main( |
---|
545 | int argc, |
---|
546 | char** argv |
---|
547 | ) |
---|
548 | { |
---|
549 | std::string progname( argv[0] ); |
---|
550 | int ec = 0; |
---|
551 | |
---|
552 | setup_signals(); |
---|
553 | |
---|
554 | std::set_terminate(unhandled_exception); |
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555 | |
---|
556 | try |
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557 | { |
---|
558 | progname = rld::path::basename(argv[0]); |
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559 | covoar( argc, argv ); |
---|
560 | } |
---|
561 | catch ( option_error oe ) |
---|
562 | { |
---|
563 | std::cerr << "error: missing option: " + oe << std::endl; |
---|
564 | usage(progname); |
---|
565 | ec = EXIT_FAILURE; |
---|
566 | } |
---|
567 | catch (rld::error re) |
---|
568 | { |
---|
569 | std::cerr << "error: " |
---|
570 | << re.where << ": " << re.what |
---|
571 | << std::endl; |
---|
572 | ec = 10; |
---|
573 | } |
---|
574 | catch (std::exception e) |
---|
575 | { |
---|
576 | int status; |
---|
577 | char* realname; |
---|
578 | realname = abi::__cxa_demangle (e.what(), 0, 0, &status); |
---|
579 | std::cerr << "error: exception: " << realname << " ["; |
---|
580 | ::free (realname); |
---|
581 | const std::type_info &ti = typeid (e); |
---|
582 | realname = abi::__cxa_demangle (ti.name(), 0, 0, &status); |
---|
583 | std::cerr << realname << "] " << e.what () << std::endl << std::flush; |
---|
584 | ::free (realname); |
---|
585 | ec = 11; |
---|
586 | } |
---|
587 | catch (...) |
---|
588 | { |
---|
589 | /* |
---|
590 | * Helps to know if this happens. |
---|
591 | */ |
---|
592 | std::cerr << "error: unhandled exception" << std::endl; |
---|
593 | ec = 12; |
---|
594 | } |
---|
595 | |
---|
596 | return ec; |
---|
597 | } |
---|