Mercurial > projects > ldc
annotate tools/binding/llvm/executionengine.d @ 1273:1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Mon, 27 Apr 2009 22:33:17 +0200 |
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children | 4ff9ab0d472c |
rev | line source |
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1273
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Committing LLVM binding for D as it currently exists in the SVN repository.
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1 // Written in the D programming language by Frits van Bommel 2008 |
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2 // Binding of llvm.c.ExecutionEngine for D. |
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3 // |
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4 // This file is distributed under the University of Illinois Open Source |
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5 // License. See LICENSE.TXT for details. |
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6 // |
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7 module llvm.executionengine; |
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8 |
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9 import llvm.c.Core; |
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10 import llvm.c.ExecutionEngine; |
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11 |
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12 import llvm.llvm; |
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13 import llvm.util; |
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14 |
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15 /// |
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16 class GenericValue |
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17 { |
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18 /// |
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19 private LLVMGenericValueRef value; |
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20 /// |
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21 private this(LLVMGenericValueRef v) |
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22 { |
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23 value = v; |
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24 } |
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25 /// |
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26 void dispose() |
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27 { |
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28 LLVMDisposeGenericValue(value); |
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29 value = null; |
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30 } |
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31 /// |
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32 ~this() |
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33 { |
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34 dispose(); // safe because value isn't on the GC heap and isn't exposed. |
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35 } |
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36 /// |
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37 static GenericValue GetS(IntegerType ty, long N) |
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38 { |
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39 return new GenericValue(LLVMCreateGenericValueOfInt(ty.ll, N, true)); |
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40 } |
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41 /// |
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42 static GenericValue GetU(IntegerType ty, ulong N) |
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43 { |
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44 return new GenericValue(LLVMCreateGenericValueOfInt(ty.ll, N, false)); |
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45 } |
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46 /// |
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47 static GenericValue GetP(void* P) |
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48 { |
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49 return new GenericValue(LLVMCreateGenericValueOfPointer(P)); |
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50 } |
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51 /// |
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52 static GenericValue GetF(RealType ty, double N) |
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53 { |
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54 return new GenericValue(LLVMCreateGenericValueOfFloat(ty.ll, N)); |
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55 } |
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56 /// |
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57 uint intWidth() |
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58 { |
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59 return LLVMGenericValueIntWidth(value); |
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60 } |
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61 /// |
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62 ulong toUInt() |
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63 { |
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64 return LLVMGenericValueToInt(value, false); |
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65 } |
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66 /// |
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67 long toSInt() |
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68 { |
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69 return LLVMGenericValueToInt(value, true); |
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70 } |
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71 /// |
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72 void* toPointer() |
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73 { |
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74 return LLVMGenericValueToPointer(value); |
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75 } |
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76 /// |
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77 double toFloat(RealType ty) |
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78 { |
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79 return LLVMGenericValueToFloat(ty.ll, value); |
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80 } |
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81 } |
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82 |
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83 |
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84 /// |
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85 class ExecutionEngine |
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86 { |
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87 /// |
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88 private LLVMExecutionEngineRef ee; |
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89 /// |
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90 private this(LLVMExecutionEngineRef ee) |
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91 { |
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92 this.ee = ee; |
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93 } |
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94 /// |
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95 static ExecutionEngine Create(ModuleProvider mp) |
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96 { |
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97 LLVMExecutionEngineRef ee; |
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98 char* err; |
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99 if (LLVMCreateExecutionEngine(&ee, mp.ll, &err)) |
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100 { |
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101 auto errmsg = from_stringz(err).dup; |
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102 LLVMDisposeMessage(err); |
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103 throw new LLVMException(errmsg); |
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104 } |
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105 return new ExecutionEngine(ee); |
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106 } |
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107 /// |
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108 static ExecutionEngine CreateInterpreter(ModuleProvider mp) |
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109 { |
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110 LLVMExecutionEngineRef ee; |
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111 char* err; |
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112 if (LLVMCreateInterpreter(&ee, mp.ll, &err)) |
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113 { |
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114 auto errmsg = from_stringz(err).dup; |
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115 LLVMDisposeMessage(err); |
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116 throw new LLVMException(errmsg); |
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117 } |
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118 return new ExecutionEngine(ee); |
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119 } |
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120 /// |
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121 static ExecutionEngine CreateJIT(ModuleProvider mp) |
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122 { |
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123 LLVMExecutionEngineRef ee; |
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124 char* err; |
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125 if (LLVMCreateJITCompiler(&ee, mp.ll, &err)) |
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126 { |
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127 auto errmsg = from_stringz(err).dup; |
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128 LLVMDisposeMessage(err); |
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129 throw new LLVMException(errmsg); |
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130 } |
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131 return new ExecutionEngine(ee); |
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132 } |
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133 /// |
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134 void dispose() |
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135 { |
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136 LLVMDisposeExecutionEngine(ee); |
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137 ee = null; |
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138 } |
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139 /// |
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140 ~this() |
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141 { |
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142 dispose(); // safe because ee isn't on the GC heap and isn't exposed. |
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143 } |
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144 /// |
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145 void runStaticConstructors() |
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146 { |
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147 LLVMRunStaticConstructors(ee); |
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148 } |
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149 /// |
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150 void runStaticDestructors() |
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151 { |
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152 LLVMRunStaticDestructors(ee); |
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153 } |
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154 /// |
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155 int runAsMain(Function f, char[][] args = null, char[][] env = null) { |
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156 auto argv = new char*[args.length]; |
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157 foreach (size_t idx, ref arg; args) |
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158 { |
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159 argv[idx] = to_stringz(arg); |
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160 } |
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161 |
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162 auto envp = new char*[env.length + 1]; |
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163 foreach (size_t idx, ref envvar ; env) |
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164 { |
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165 envp[idx] = to_stringz(envvar); |
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166 } |
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167 envp[$-1] = null; |
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168 |
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169 return LLVMRunFunctionAsMain(ee, f.value, argv.length, argv.ptr, envp.ptr); |
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170 } |
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171 /// |
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172 GenericValue run(Function f, GenericValue[] args = null) |
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173 { |
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174 auto cargs = new LLVMGenericValueRef[args.length]; |
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175 foreach (size_t idx, ref arg ; args) |
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176 { |
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177 cargs[idx] = arg.value; |
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178 } |
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179 |
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180 auto result = LLVMRunFunction(ee, f.value, cargs.length, cargs.ptr); |
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181 return new GenericValue(result); |
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182 } |
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183 /// |
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184 void freeMachineCodeForFunction(Function f) |
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185 { |
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186 LLVMFreeMachineCodeForFunction(ee, f.value); |
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187 } |
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188 /// |
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189 void addModuleProvider(ModuleProvider mp) |
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190 { |
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191 LLVMAddModuleProvider(ee, mp.ll); |
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192 } |
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193 /// |
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194 Module removeModuleProvider(ModuleProvider mp) |
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195 { |
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196 LLVMModuleRef mod; |
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197 char* err; |
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198 if (LLVMRemoveModuleProvider(ee, mp.ll, &mod, &err)) |
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199 { |
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200 auto errmsg = from_stringz(err).dup; |
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201 LLVMDisposeMessage(err); |
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202 throw new LLVMException(errmsg); |
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203 } |
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204 return Module.GetExisting(mod); |
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205 } |
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206 /// |
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207 Function findFunction(char[] name) |
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208 { |
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209 LLVMValueRef fn; |
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210 if (LLVMFindFunction(ee, to_stringz(name), &fn)) |
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211 { |
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212 return null; |
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213 } |
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214 return new Function(fn, getTypeOf(fn)); |
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215 } |
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216 } |