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[svn r299] forgot to return status in runExecutable
author lindquist
date Fri, 20 Jun 2008 22:12:15 +0200
parents 90a8c798b0db
children 0baca2feb554
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
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5 #include "root.h"
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6 #include "mars.h"
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7 #include "module.h"
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8
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9 #define NO_COUT_LOGGER
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10 #include "gen/logger.h"
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11
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12 //////////////////////////////////////////////////////////////////////////////
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13
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14 typedef std::vector<llvm::Module*> Module_vector;
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15
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16 void linkModules(llvm::Module* dst, const Module_vector& MV)
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17 {
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18 if (MV.empty())
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19 return;
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20
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21 llvm::Linker linker("llvmdc", dst);
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22
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23 std::string err;
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24 for (Module_vector::const_iterator i=MV.begin(); i!=MV.end(); ++i)
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25 {
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26 if (!linker.LinkInModule(*i, &err))
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27 {
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28 error("%s", err.c_str());
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29 fatal();
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30 }
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31 }
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32 }
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33
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34 //////////////////////////////////////////////////////////////////////////////
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35
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36 static llvm::sys::Path gExePath;
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37
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38 int linkExecutable()
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39 {
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40 Logger::println("*** Linking executable ***");
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41
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42 // error string
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43 std::string errstr;
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44
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45 // find the llvm-ld program
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46 llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld");
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47 if (ldpath.isEmpty())
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48 {
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49 error("linker program not found");
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50 fatal();
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51 }
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52
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53 // build arguments
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54 std::vector<const char*> args;
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55
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56 // first the program name ??
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57 args.push_back("llvm-ld");
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58
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59 // output filename
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60 std::string exestr;
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61 if (global.params.exefile)
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62 { // explicit
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63 exestr = global.params.exefile;
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64 }
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65 else
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66 { // inferred
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67 // try root module name
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68 if (Module::rootModule)
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69 exestr = Module::rootModule->toChars();
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70 else
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71 exestr = "a.out";
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72 }
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73 if (global.params.isWindows)
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74 exestr.append(".exe");
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75
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76 std::string outopt = "-o=" + exestr;
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77 args.push_back(outopt.c_str());
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78
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79 // set the global gExePath
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80 gExePath.set(exestr);
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81 assert(gExePath.isValid());
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82
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83 // create path to exe
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84 llvm::sys::Path exedir(gExePath);
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85 exedir.set(gExePath.getDirname());
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86 exedir.createDirectoryOnDisk(true, &errstr);
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87 if (!errstr.empty())
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88 {
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89 error("failed to create path to linking output\n%s", errstr.c_str());
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90 fatal();
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91 }
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92
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93 // strip debug info
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94 if (!global.params.symdebug)
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95 args.push_back("-strip-debug");
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96
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97 // optimization level
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98 if (!global.params.optimize)
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99 args.push_back("-disable-opt");
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100 else
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101 {
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102 const char* s = 0;
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103 switch(global.params.optimizeLevel)
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104 {
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105 case 0:
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106 s = "-O0"; break;
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107 case 1:
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108 s = "-O1"; break;
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109 case 2:
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110 s = "-O2"; break;
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111 case 3:
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112 s = "-O3"; break;
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113 case 4:
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114 s = "-O4"; break;
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115 case 5:
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116 s = "-O5"; break;
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117 default:
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118 assert(0);
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119 }
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120 args.push_back(s);
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121 }
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122
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123 // inlining
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124 if (!(global.params.useInline || global.params.llvmInline))
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125 {
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126 args.push_back("-disable-inlining");
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127 }
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128
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129 // additional linker switches
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130 for (int i = 0; i < global.params.linkswitches->dim; i++)
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131 {
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132 char *p = (char *)global.params.linkswitches->data[i];
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133 args.push_back(p);
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134 }
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135
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136 // native please
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137 args.push_back("-native");
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138
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139
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140 // user libs
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141 for (int i = 0; i < global.params.libfiles->dim; i++)
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142 {
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143 char *p = (char *)global.params.libfiles->data[i];
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144 args.push_back(p);
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145 }
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146
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147 // default libs
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148 args.push_back("-ltango-base-c-llvmdc");
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149 args.push_back("-lpthread");
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150 args.push_back("-ldl");
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151 args.push_back("-lm");
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152
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153 // object files
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154 for (int i = 0; i < global.params.objfiles->dim; i++)
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155 {
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156 char *p = (char *)global.params.objfiles->data[i];
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157 args.push_back(p);
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158 }
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159
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160 // runtime library
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161 // must be linked in last to null terminate the moduleinfo appending list
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162 std::string runtime_path(global.params.runtimePath);
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163 if (*runtime_path.rbegin() != '/')
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164 runtime_path.append("/");
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165 runtime_path.append("libtango-base-llvmdc.a");
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166 args.push_back(runtime_path.c_str());
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167
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168 // print link command?
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169 if (!global.params.quiet || global.params.verbose)
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170 {
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171 // Print it
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172 for (int i = 0; i < args.size(); i++)
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173 printf("%s ", args[i]);
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174 printf("\n");
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175 fflush(stdout);
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176 }
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177
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178 // terminate args list
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179 args.push_back(NULL);
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180
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181 // try to call linker!!!
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182 if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr))
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183 {
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184 error("linking failed:\nstatus: %d", status);
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185 if (!errstr.empty())
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186 error("message: %s", errstr.c_str());
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187 fatal();
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188 }
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189 }
277
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190
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191 //////////////////////////////////////////////////////////////////////////////
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192
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193 void deleteExecutable()
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194 {
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195 if (!gExePath.isEmpty())
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196 {
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197 assert(gExePath.isValid());
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198 assert(!gExePath.isDirectory());
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199 gExePath.eraseFromDisk(false);
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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
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205 int runExectuable()
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206 {
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207 assert(!gExePath.isEmpty());
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208 assert(gExePath.isValid());
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209
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210 // build arguments
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211 std::vector<const char*> args;
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212 for (size_t i = 0; i < global.params.runargs_length; i++)
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213 {
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214 char *a = global.params.runargs[i];
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215 args.push_back(a);
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216 }
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217 // terminate args list
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218 args.push_back(NULL);
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219
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220 // try to call linker!!!
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221 std::string errstr;
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222 int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr);
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223 if (!errstr.empty())
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224 {
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225 error("failed to execute program");
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226 if (!errstr.empty())
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227 error("error message: %s", errstr.c_str());
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228 fatal();
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229 }
278
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230 return status;
277
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231 }