Mercurial > projects > ldc
annotate gen/linker.cpp @ 600:311f16f26297
Fixed AddrExp might silently change the type of its value, but we weren't casting to compensate ... why doesn't DMD insert a cast?
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Mon, 15 Sep 2008 02:39:55 +0200 |
parents | aaba4f7c6d8a |
children | 29dc68c949b0 |
rev | line source |
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1 #include "gen/llvm.h" |
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2 #include "llvm/Linker.h" |
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3 #include "llvm/System/Program.h" |
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4 #if _WIN32 |
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5 #include "llvm/Support/SystemUtils.h" |
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6 #endif |
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7 |
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8 #include "root.h" |
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9 #include "mars.h" |
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10 #include "module.h" |
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11 |
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12 #define NO_COUT_LOGGER |
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13 #include "gen/logger.h" |
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14 |
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15 ////////////////////////////////////////////////////////////////////////////// |
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16 |
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17 typedef std::vector<llvm::Module*> Module_vector; |
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18 |
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19 void linkModules(llvm::Module* dst, const Module_vector& MV) |
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20 { |
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21 if (MV.empty()) |
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22 return; |
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23 |
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24 llvm::Linker linker("llvmdc", dst); |
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25 |
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26 std::string err; |
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27 for (Module_vector::const_iterator i=MV.begin(); i!=MV.end(); ++i) |
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28 { |
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29 if (!linker.LinkInModule(*i, &err)) |
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30 { |
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31 error("%s", err.c_str()); |
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32 fatal(); |
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33 } |
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34 } |
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35 } |
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36 |
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37 ////////////////////////////////////////////////////////////////////////////// |
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38 |
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39 static llvm::sys::Path gExePath; |
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40 |
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41 int linkExecutable(const char* argv0) |
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42 { |
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43 Logger::println("*** Linking executable ***"); |
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44 |
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45 // error string |
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46 std::string errstr; |
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47 |
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48 // find the llvm-ld program |
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49 llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld"); |
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50 if (ldpath.isEmpty()) |
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51 { |
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52 ldpath.set("llvm-ld"); |
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53 } |
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54 |
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55 // build arguments |
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56 std::vector<const char*> args; |
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57 |
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58 // first the program name ?? |
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59 args.push_back("llvm-ld"); |
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60 |
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61 // output filename |
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62 std::string exestr; |
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63 if (global.params.exefile) |
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64 { // explicit |
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65 exestr = global.params.exefile; |
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66 } |
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67 else |
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68 { // inferred |
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69 // try root module name |
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70 if (Module::rootModule) |
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71 exestr = Module::rootModule->toChars(); |
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72 else |
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73 exestr = "a.out"; |
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74 } |
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75 if (global.params.os == OSWindows) |
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76 exestr.append(".exe"); |
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77 |
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78 std::string outopt = "-o=" + exestr; |
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79 args.push_back(outopt.c_str()); |
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80 |
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81 // set the global gExePath |
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82 gExePath.set(exestr); |
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83 assert(gExePath.isValid()); |
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84 |
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85 // create path to exe |
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86 llvm::sys::Path exedir(gExePath); |
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87 exedir.set(gExePath.getDirname()); |
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88 if (!exedir.exists()) |
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89 { |
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90 exedir.createDirectoryOnDisk(true, &errstr); |
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91 if (!errstr.empty()) |
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92 { |
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93 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str()); |
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94 fatal(); |
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95 } |
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96 } |
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97 |
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98 // strip debug info |
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99 if (!global.params.symdebug) |
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100 args.push_back("-strip-debug"); |
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101 |
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102 // optimization level |
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103 if (!global.params.optimize) |
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104 args.push_back("-disable-opt"); |
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105 else |
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106 { |
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107 const char* s = 0; |
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108 switch(global.params.optimizeLevel) |
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109 { |
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110 case 0: |
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111 args.push_back("-disable-opt"); |
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112 args.push_back("-globaldce"); |
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113 break; |
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114 case 1: |
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115 args.push_back("-disable-opt"); |
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116 args.push_back("-globaldce"); |
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117 args.push_back("-mem2reg"); |
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118 case 2: |
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119 case 3: |
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120 case 4: |
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121 case 5: |
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122 // use default optimization |
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123 break; |
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124 default: |
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125 assert(0); |
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126 } |
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127 } |
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128 |
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129 // inlining |
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130 if (!(global.params.useInline || global.params.llvmInline)) |
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131 { |
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132 args.push_back("-disable-inlining"); |
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133 } |
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134 |
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135 // additional linker switches |
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136 for (int i = 0; i < global.params.linkswitches->dim; i++) |
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137 { |
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138 char *p = (char *)global.params.linkswitches->data[i]; |
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139 args.push_back(p); |
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140 } |
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141 |
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142 // native please |
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143 args.push_back("-native"); |
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144 |
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145 |
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146 // user libs |
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147 for (int i = 0; i < global.params.libfiles->dim; i++) |
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148 { |
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149 char *p = (char *)global.params.libfiles->data[i]; |
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150 args.push_back(p); |
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151 } |
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152 |
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153 // default libs |
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154 if(global.params.os == OSLinux || global.params.os == OSMacOSX) |
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155 { |
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156 args.push_back("-lpthread"); |
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157 args.push_back("-ldl"); |
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158 args.push_back("-lm"); |
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159 } |
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160 else if (global.params.os == OSWindows) |
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161 { |
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162 // FIXME: I'd assume kernel32 etc |
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163 } |
276
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164 |
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165 // object files |
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166 for (int i = 0; i < global.params.objfiles->dim; i++) |
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167 { |
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168 char *p = (char *)global.params.objfiles->data[i]; |
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169 args.push_back(p); |
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170 } |
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171 |
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172 // print link command? |
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173 if (!global.params.quiet || global.params.verbose) |
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174 { |
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175 // Print it |
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176 for (int i = 0; i < args.size(); i++) |
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177 printf("%s ", args[i]); |
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178 printf("\n"); |
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179 fflush(stdout); |
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180 } |
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181 |
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182 // terminate args list |
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183 args.push_back(NULL); |
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184 |
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185 // try to call linker!!! |
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186 if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr)) |
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187 { |
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188 error("linking failed:\nstatus: %d", status); |
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189 if (!errstr.empty()) |
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190 error("message: %s", errstr.c_str()); |
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191 fatal(); |
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192 } |
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193 } |
277
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194 |
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195 ////////////////////////////////////////////////////////////////////////////// |
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196 |
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197 void deleteExecutable() |
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198 { |
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199 if (!gExePath.isEmpty()) |
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200 { |
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201 assert(gExePath.isValid()); |
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202 assert(!gExePath.isDirectory()); |
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203 gExePath.eraseFromDisk(false); |
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204 } |
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205 } |
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206 |
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207 ////////////////////////////////////////////////////////////////////////////// |
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208 |
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209 int runExectuable() |
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210 { |
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211 assert(!gExePath.isEmpty()); |
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212 assert(gExePath.isValid()); |
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213 |
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214 // build arguments |
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215 std::vector<const char*> args; |
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216 for (size_t i = 0; i < global.params.runargs_length; i++) |
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217 { |
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218 char *a = global.params.runargs[i]; |
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219 args.push_back(a); |
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220 } |
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221 // terminate args list |
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222 args.push_back(NULL); |
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223 |
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224 // try to call linker!!! |
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225 std::string errstr; |
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226 int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr); |
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227 if (!errstr.empty()) |
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228 { |
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229 error("failed to execute program"); |
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230 if (!errstr.empty()) |
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231 error("error message: %s", errstr.c_str()); |
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232 fatal(); |
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233 } |
278
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234 return status; |
277
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235 } |