Mercurial > projects > ldc
annotate gen/linker.cpp @ 715:30b42a283c8e
Removed TypeOpaque from DMD.
Changed runtime functions taking opaque[] to void[].
Implemented proper type painting, to avoid "resizing" array casts in runtime calls that previously took opaque[].
Implemented dynamic arrays as first class types, this implements proper ABI for these types on x86.
Added dwarf region end after call to assert function, fixes some problems with llvm not allowing this to be missing.
Reverted change to WithStatement from rev [704] it breaks MiniD, mini/with2.d needs to be fixed some other way...
Fixed tango bug 1339 in runtime, problem with _adReverseChar on invalid UTF-8.
Disabled .bc generation in the compiler runtime part, genobj.d triggers some llvm bug when using debug info. the .o seems to work fine.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Wed, 22 Oct 2008 14:55:33 +0200 |
parents | 855e0ef78fa2 |
children | 6c850977a941 |
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("ldc", 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; |
276
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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"); |
276
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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; |
276
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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 |
637
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154 switch(global.params.os) { |
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155 case OSLinux: |
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156 case OSMacOSX: |
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157 args.push_back("-ldl"); |
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158 case OSFreeBSD: |
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159 args.push_back("-lpthread"); |
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160 args.push_back("-lm"); |
637
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161 break; |
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162 |
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163 case OSWindows: |
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164 // FIXME: I'd assume kernel32 etc |
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165 break; |
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166 } |
276
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167 |
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168 // object files |
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169 for (int i = 0; i < global.params.objfiles->dim; i++) |
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170 { |
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171 char *p = (char *)global.params.objfiles->data[i]; |
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172 args.push_back(p); |
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173 } |
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174 |
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175 // print link command? |
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176 if (!global.params.quiet || global.params.verbose) |
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177 { |
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178 // Print it |
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179 for (int i = 0; i < args.size(); i++) |
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180 printf("%s ", args[i]); |
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181 printf("\n"); |
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182 fflush(stdout); |
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183 } |
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184 |
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185 // terminate args list |
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186 args.push_back(NULL); |
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187 |
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188 // try to call linker!!! |
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189 if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr)) |
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190 { |
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191 error("linking failed:\nstatus: %d", status); |
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192 if (!errstr.empty()) |
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193 error("message: %s", errstr.c_str()); |
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194 fatal(); |
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195 } |
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196 } |
277
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197 |
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198 ////////////////////////////////////////////////////////////////////////////// |
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199 |
677
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200 int linkObjToExecutable(const char* argv0) |
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201 { |
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202 Logger::println("*** Linking executable ***"); |
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203 |
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204 // error string |
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205 std::string errstr; |
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206 |
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207 // find gcc for linking |
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208 llvm::sys::Path gcc = llvm::sys::Program::FindProgramByName("gcc"); |
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209 if (gcc.isEmpty()) |
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210 { |
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211 gcc.set("gcc"); |
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212 } |
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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 |
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217 // first the program name ?? |
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218 args.push_back("gcc"); |
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219 |
681
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220 // object files |
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221 for (int i = 0; i < global.params.objfiles->dim; i++) |
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222 { |
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223 char *p = (char *)global.params.objfiles->data[i]; |
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224 args.push_back(p); |
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225 } |
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226 |
677
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227 // output filename |
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228 std::string exestr; |
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229 if (global.params.exefile) |
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230 { // explicit |
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231 exestr = global.params.exefile; |
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232 } |
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233 else |
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234 { // inferred |
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235 // try root module name |
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236 if (Module::rootModule) |
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237 exestr = Module::rootModule->toChars(); |
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238 else if (global.params.objfiles->dim) |
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239 exestr = FileName::removeExt((char*)global.params.objfiles->data[0]); |
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240 else |
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241 exestr = "a.out"; |
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242 } |
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243 if (global.params.os == OSWindows) |
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244 exestr.append(".exe"); |
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245 |
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246 args.push_back("-o"); |
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247 args.push_back(exestr.c_str()); |
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248 |
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249 // set the global gExePath |
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250 gExePath.set(exestr); |
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251 assert(gExePath.isValid()); |
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252 |
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253 // create path to exe |
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254 llvm::sys::Path exedir(gExePath); |
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255 exedir.set(gExePath.getDirname()); |
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256 if (!exedir.exists()) |
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257 { |
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258 exedir.createDirectoryOnDisk(true, &errstr); |
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259 if (!errstr.empty()) |
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260 { |
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261 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str()); |
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262 fatal(); |
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263 } |
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264 } |
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265 |
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266 // additional linker switches |
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267 for (int i = 0; i < global.params.linkswitches->dim; i++) |
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268 { |
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269 char *p = (char *)global.params.linkswitches->data[i]; |
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270 args.push_back(p); |
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271 } |
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272 |
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273 // user libs |
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274 for (int i = 0; i < global.params.libfiles->dim; i++) |
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275 { |
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276 char *p = (char *)global.params.libfiles->data[i]; |
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277 args.push_back(p); |
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278 } |
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279 |
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280 // default libs |
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281 switch(global.params.os) { |
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282 case OSLinux: |
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283 case OSMacOSX: |
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284 args.push_back("-ldl"); |
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285 case OSFreeBSD: |
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286 args.push_back("-lpthread"); |
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287 args.push_back("-lm"); |
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288 break; |
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289 |
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290 case OSWindows: |
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291 // FIXME: I'd assume kernel32 etc |
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292 break; |
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293 } |
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294 |
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295 // print link command? |
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296 if (!global.params.quiet || global.params.verbose) |
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297 { |
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298 // Print it |
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299 for (int i = 0; i < args.size(); i++) |
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300 printf("%s ", args[i]); |
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301 printf("\n"); |
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302 fflush(stdout); |
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303 } |
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304 |
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305 Logger::println("Linking with: "); |
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306 std::vector<const char*>::const_iterator I = args.begin(), E = args.end(); |
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307 std::ostream& logstr = Logger::cout(); |
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308 for (; I != E; ++I) |
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309 if (*I) |
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310 logstr << "'" << *I << "'" << " "; |
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311 logstr << "\n" << std::flush; |
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312 |
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313 |
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314 // terminate args list |
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315 args.push_back(NULL); |
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316 |
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317 // try to call linker!!! |
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318 if (int status = llvm::sys::Program::ExecuteAndWait(gcc, &args[0], NULL, NULL, 0,0, &errstr)) |
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319 { |
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320 error("linking failed:\nstatus: %d", status); |
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321 if (!errstr.empty()) |
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322 error("message: %s", errstr.c_str()); |
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323 fatal(); |
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324 } |
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325 } |
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326 |
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327 ////////////////////////////////////////////////////////////////////////////// |
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328 |
277
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329 void deleteExecutable() |
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330 { |
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331 if (!gExePath.isEmpty()) |
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332 { |
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333 assert(gExePath.isValid()); |
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334 assert(!gExePath.isDirectory()); |
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335 gExePath.eraseFromDisk(false); |
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336 } |
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337 } |
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338 |
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339 ////////////////////////////////////////////////////////////////////////////// |
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340 |
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341 int runExectuable() |
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342 { |
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343 assert(!gExePath.isEmpty()); |
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344 assert(gExePath.isValid()); |
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345 |
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346 // build arguments |
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347 std::vector<const char*> args; |
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348 for (size_t i = 0; i < global.params.runargs_length; i++) |
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349 { |
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350 char *a = global.params.runargs[i]; |
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351 args.push_back(a); |
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352 } |
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353 // terminate args list |
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354 args.push_back(NULL); |
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355 |
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356 // try to call linker!!! |
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357 std::string errstr; |
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358 int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr); |
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359 if (!errstr.empty()) |
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360 { |
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361 error("failed to execute program"); |
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362 if (!errstr.empty()) |
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363 error("error message: %s", errstr.c_str()); |
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364 fatal(); |
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365 } |
278
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366 return status; |
277
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367 } |