Mercurial > projects > ldc
annotate gen/linker.cpp @ 1559:06d5cc873350
getTrue/getFalse were moved back to ConstantInt
Requires LLVM >= r77685
author | Benjamin Kramer <benny.kra@gmail.com> |
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date | Fri, 31 Jul 2009 19:11:07 +0200 |
parents | 2292878925f4 |
children | 7f728c52e63c |
rev | line source |
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1 #include "gen/linker.h" |
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2 #include "gen/llvm.h" |
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3 #include "llvm/Linker.h" |
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4 #include "llvm/System/Program.h" |
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5 #if _WIN32 |
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6 #include "llvm/Support/SystemUtils.h" |
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7 #endif |
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8 |
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9 #include "root.h" |
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10 #include "mars.h" |
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11 #include "module.h" |
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12 |
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13 #define NO_COUT_LOGGER |
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14 #include "gen/logger.h" |
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15 #include "gen/cl_options.h" |
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16 #include "gen/optimizer.h" |
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17 #include "gen/programs.h" |
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18 |
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19 ////////////////////////////////////////////////////////////////////////////// |
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20 |
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21 // Is this useful? |
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22 llvm::cl::opt<bool> quiet("quiet", |
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23 llvm::cl::desc("Suppress output of link command (unless -v is also passed)"), |
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24 llvm::cl::Hidden, |
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25 llvm::cl::ZeroOrMore, |
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26 llvm::cl::init(true)); |
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27 |
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28 ////////////////////////////////////////////////////////////////////////////// |
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29 |
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30 typedef std::vector<llvm::Module*> Module_vector; |
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31 |
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32 void linkModules(llvm::Module* dst, const Module_vector& MV) |
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33 { |
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34 if (MV.empty()) |
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35 return; |
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36 |
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37 llvm::Linker linker("ldc", dst); |
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38 |
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39 std::string err; |
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40 for (Module_vector::const_iterator i=MV.begin(); i!=MV.end(); ++i) |
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41 { |
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42 if (!linker.LinkInModule(*i, &err)) |
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43 { |
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44 error("%s", err.c_str()); |
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45 fatal(); |
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46 } |
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47 } |
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48 } |
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49 |
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50 ////////////////////////////////////////////////////////////////////////////// |
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51 |
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52 static llvm::sys::Path gExePath; |
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53 |
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54 int linkExecutable(const char* argv0) |
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55 { |
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56 Logger::println("*** Linking executable ***"); |
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57 |
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58 // error string |
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59 std::string errstr; |
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60 |
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61 // find the llvm-ld program |
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62 llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld"); |
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63 if (ldpath.isEmpty()) |
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64 { |
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65 ldpath.set("llvm-ld"); |
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66 } |
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67 |
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68 // build arguments |
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69 std::vector<const char*> args; |
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70 |
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71 // first the program name ?? |
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72 args.push_back("llvm-ld"); |
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73 |
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74 // output filename |
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75 std::string exestr; |
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76 if (global.params.exefile) |
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77 { // explicit |
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78 exestr = global.params.exefile; |
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79 } |
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80 else |
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81 { // inferred |
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82 // try root module name |
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83 if (Module::rootModule) |
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84 exestr = Module::rootModule->toChars(); |
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85 else |
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86 exestr = "a.out"; |
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87 } |
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88 if (global.params.os == OSWindows && !(exestr.substr(exestr.length()-4) == ".exe")) |
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89 exestr.append(".exe"); |
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90 |
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91 std::string outopt = "-o=" + exestr; |
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92 args.push_back(outopt.c_str()); |
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93 |
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94 // set the global gExePath |
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95 gExePath.set(exestr); |
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96 assert(gExePath.isValid()); |
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97 |
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98 // create path to exe |
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99 llvm::sys::Path exedir(gExePath); |
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100 exedir.set(gExePath.getDirname()); |
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101 if (!exedir.exists()) |
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102 { |
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103 exedir.createDirectoryOnDisk(true, &errstr); |
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104 if (!errstr.empty()) |
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105 { |
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106 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str()); |
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107 fatal(); |
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108 } |
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109 } |
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110 |
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111 // strip debug info |
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112 if (!global.params.symdebug) |
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113 args.push_back("-strip-debug"); |
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114 |
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115 // optimization level |
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116 if (!optimize()) |
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117 args.push_back("-disable-opt"); |
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118 else |
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119 { |
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120 const char* s = 0; |
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121 switch(optLevel()) |
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122 { |
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123 case 0: |
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124 args.push_back("-disable-opt"); |
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125 break; |
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126 case 1: |
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127 args.push_back("-globaldce"); |
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128 args.push_back("-disable-opt"); |
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129 args.push_back("-globaldce"); |
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130 args.push_back("-mem2reg"); |
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131 case 2: |
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132 case 3: |
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133 case 4: |
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134 case 5: |
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135 // use default optimization |
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136 break; |
276
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137 default: |
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138 assert(0); |
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139 } |
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140 } |
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141 |
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142 // inlining |
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143 if (!(global.params.useInline || doInline())) |
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144 { |
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145 args.push_back("-disable-inlining"); |
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146 } |
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147 |
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148 // additional linker switches |
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149 for (int i = 0; i < global.params.linkswitches->dim; i++) |
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150 { |
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151 char *p = (char *)global.params.linkswitches->data[i]; |
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152 args.push_back(p); |
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153 } |
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154 |
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155 // native please |
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156 args.push_back("-native"); |
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157 |
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158 |
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159 // user libs |
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160 for (int i = 0; i < global.params.libfiles->dim; i++) |
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161 { |
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162 char *p = (char *)global.params.libfiles->data[i]; |
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163 args.push_back(p); |
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164 } |
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165 |
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166 // default libs |
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167 switch(global.params.os) { |
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168 case OSLinux: |
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169 case OSMacOSX: |
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170 args.push_back("-ldl"); |
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171 case OSFreeBSD: |
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172 args.push_back("-lpthread"); |
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173 args.push_back("-lm"); |
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174 break; |
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175 |
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176 case OSWindows: |
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177 // FIXME: I'd assume kernel32 etc |
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178 break; |
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179 } |
276
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180 |
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181 // object files |
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182 for (int i = 0; i < global.params.objfiles->dim; i++) |
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183 { |
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184 char *p = (char *)global.params.objfiles->data[i]; |
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185 args.push_back(p); |
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186 } |
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187 |
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188 // print link command? |
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189 if (!quiet || global.params.verbose) |
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190 { |
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191 // Print it |
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192 for (int i = 0; i < args.size(); i++) |
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193 printf("%s ", args[i]); |
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194 printf("\n"); |
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195 fflush(stdout); |
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196 } |
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197 |
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198 // terminate args list |
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199 args.push_back(NULL); |
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200 |
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201 // try to call linker!!! |
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202 if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr)) |
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203 { |
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204 error("linking failed:\nstatus: %d", status); |
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205 if (!errstr.empty()) |
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206 error("message: %s", errstr.c_str()); |
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207 fatal(); |
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208 } |
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209 } |
277
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210 |
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211 ////////////////////////////////////////////////////////////////////////////// |
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212 |
677
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213 int linkObjToExecutable(const char* argv0) |
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214 { |
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215 Logger::println("*** Linking executable ***"); |
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216 |
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217 // error string |
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218 std::string errstr; |
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219 |
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220 // find gcc for linking |
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221 llvm::sys::Path gcc = getGcc(); |
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222 // get a string version for argv[0] |
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223 std::string gccStr = gcc.toString(); |
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224 |
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225 // build arguments |
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226 std::vector<const char*> args; |
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227 |
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228 // first the program name ?? |
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229 args.push_back(gccStr.c_str()); |
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230 |
681
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231 // object files |
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232 for (int i = 0; i < global.params.objfiles->dim; i++) |
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233 { |
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234 char *p = (char *)global.params.objfiles->data[i]; |
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235 args.push_back(p); |
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236 } |
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237 |
677
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238 // output filename |
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239 std::string exestr; |
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240 if (global.params.exefile) |
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241 { // explicit |
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242 exestr = global.params.exefile; |
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243 } |
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244 else |
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245 { // inferred |
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246 // try root module name |
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247 if (Module::rootModule) |
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248 exestr = Module::rootModule->toChars(); |
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Guess exe name from first object name if none specified.
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249 else if (global.params.objfiles->dim) |
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250 exestr = FileName::removeExt((char*)global.params.objfiles->data[0]); |
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251 else |
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252 exestr = "a.out"; |
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253 } |
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254 if (global.params.os == OSWindows && !(exestr.rfind(".exe") == exestr.length()-4)) |
677
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255 exestr.append(".exe"); |
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256 |
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257 args.push_back("-o"); |
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258 args.push_back(exestr.c_str()); |
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259 |
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260 // set the global gExePath |
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261 gExePath.set(exestr); |
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262 assert(gExePath.isValid()); |
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263 |
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264 // create path to exe |
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265 llvm::sys::Path exedir(gExePath); |
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266 exedir.set(gExePath.getDirname()); |
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267 if (!exedir.exists()) |
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268 { |
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269 exedir.createDirectoryOnDisk(true, &errstr); |
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270 if (!errstr.empty()) |
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271 { |
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272 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str()); |
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273 fatal(); |
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274 } |
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275 } |
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276 |
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277 // additional linker switches |
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278 for (int i = 0; i < global.params.linkswitches->dim; i++) |
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279 { |
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280 char *p = (char *)global.params.linkswitches->data[i]; |
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281 args.push_back(p); |
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282 } |
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283 |
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284 // user libs |
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285 for (int i = 0; i < global.params.libfiles->dim; i++) |
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286 { |
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287 char *p = (char *)global.params.libfiles->data[i]; |
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288 args.push_back(p); |
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289 } |
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290 |
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291 // default libs |
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292 switch(global.params.os) { |
900
177afbf5297b
Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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293 case OSLinux: |
677
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294 case OSMacOSX: |
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295 args.push_back("-ldl"); |
900
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Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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296 // fallthrough |
677
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297 case OSFreeBSD: |
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298 args.push_back("-lpthread"); |
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299 args.push_back("-lm"); |
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300 break; |
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301 |
900
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302 case OSSolaris: |
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303 args.push_back("-lm"); |
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304 args.push_back("-lumem"); |
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305 // solaris TODO |
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306 break; |
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307 |
677
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308 case OSWindows: |
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309 // FIXME: I'd assume kernel32 etc |
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310 break; |
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311 } |
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312 |
902
893d72ab95d0
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313 //FIXME: enforce 64 bit |
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314 if (global.params.is64bit) |
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315 args.push_back("-m64"); |
1026
f756c47f310a
Pass -m32/-m64 on to gcc when assembling and linking
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316 else |
f756c47f310a
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317 // Assume 32-bit? |
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318 args.push_back("-m32"); |
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319 |
677
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320 // print link command? |
986
a8cb25d478c4
Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
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|
321 if (!quiet || global.params.verbose) |
677
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322 { |
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323 // Print it |
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324 for (int i = 0; i < args.size(); i++) |
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325 printf("%s ", args[i]); |
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326 printf("\n"); |
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327 fflush(stdout); |
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328 } |
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329 |
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330 Logger::println("Linking with: "); |
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331 std::vector<const char*>::const_iterator I = args.begin(), E = args.end(); |
1502
2292878925f4
Add an `llvm::OStream` workalike class for use with `Logger::cout()`, with the
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|
332 Stream logstr = Logger::cout(); |
677
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333 for (; I != E; ++I) |
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334 if (*I) |
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335 logstr << "'" << *I << "'" << " "; |
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336 logstr << "\n" << std::flush; |
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337 |
075c1272a01d
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|
338 |
075c1272a01d
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339 // terminate args list |
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340 args.push_back(NULL); |
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341 |
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|
342 // try to call linker!!! |
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343 if (int status = llvm::sys::Program::ExecuteAndWait(gcc, &args[0], NULL, NULL, 0,0, &errstr)) |
075c1272a01d
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344 { |
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345 error("linking failed:\nstatus: %d", status); |
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|
346 if (!errstr.empty()) |
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347 error("message: %s", errstr.c_str()); |
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348 fatal(); |
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|
349 } |
075c1272a01d
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|
350 } |
075c1272a01d
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|
351 |
075c1272a01d
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352 ////////////////////////////////////////////////////////////////////////////// |
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353 |
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354 void deleteExecutable() |
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355 { |
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356 if (!gExePath.isEmpty()) |
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357 { |
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358 assert(gExePath.isValid()); |
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359 assert(!gExePath.isDirectory()); |
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360 gExePath.eraseFromDisk(false); |
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361 } |
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362 } |
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363 |
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364 ////////////////////////////////////////////////////////////////////////////// |
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365 |
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366 int runExecutable() |
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367 { |
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368 assert(!gExePath.isEmpty()); |
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369 assert(gExePath.isValid()); |
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370 |
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371 // build arguments |
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372 std::vector<const char*> args; |
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373 // args[0] should be the name of the executable |
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374 args.push_back(gExePath.toString().c_str()); |
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375 // Skip first argument to -run; it's a D source file. |
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376 for (size_t i = 1, length = opts::runargs.size(); i < length; i++) |
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377 { |
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378 args.push_back(opts::runargs[i].c_str()); |
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379 } |
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380 // terminate args list |
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381 args.push_back(NULL); |
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382 |
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383 // try to call linker!!! |
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384 std::string errstr; |
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385 int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr); |
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386 if (!errstr.empty()) |
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387 { |
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388 error("failed to execute program"); |
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389 if (!errstr.empty()) |
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390 error("error message: %s", errstr.c_str()); |
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391 fatal(); |
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392 } |
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393 return status; |
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394 } |