Mercurial > projects > ldc
annotate gen/toobj.cpp @ 335:17b844102023 trunk
[svn r356] Fixed problem with array length assignment introduced in [355]
author | lindquist |
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date | Sat, 12 Jul 2008 17:04:36 +0200 |
parents | c542d12017e5 |
children | aaade6ded589 |
rev | line source |
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1 | 1 |
2 // Copyright (c) 1999-2004 by Digital Mars | |
3 // All Rights Reserved | |
4 // written by Walter Bright | |
5 // www.digitalmars.com | |
6 // License for redistribution is by either the Artistic License | |
7 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
8 // See the included readme.txt for details. | |
9 | |
10 #include <cstddef> | |
11 #include <iostream> | |
12 #include <fstream> | |
13 | |
40 | 14 #include "gen/llvm.h" |
1 | 15 #include "llvm/Analysis/Verifier.h" |
16 #include "llvm/Bitcode/ReaderWriter.h" | |
17 #include "llvm/Target/TargetMachine.h" | |
18 #include "llvm/Target/TargetMachineRegistry.h" | |
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19 #include "llvm/System/Path.h" |
1 | 20 |
21 #include "mars.h" | |
22 #include "module.h" | |
23 #include "mtype.h" | |
24 #include "declaration.h" | |
25 #include "statement.h" | |
26 #include "enum.h" | |
27 #include "aggregate.h" | |
28 #include "init.h" | |
29 #include "attrib.h" | |
30 #include "id.h" | |
31 #include "import.h" | |
32 #include "template.h" | |
18 | 33 #include "scope.h" |
1 | 34 |
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35 #include "gen/irstate.h" |
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36 #include "gen/logger.h" |
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37 #include "gen/tollvm.h" |
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38 #include "gen/llvmhelpers.h" |
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39 #include "gen/arrays.h" |
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40 #include "gen/structs.h" |
100 | 41 #include "gen/classes.h" |
42 #include "gen/functions.h" | |
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43 #include "gen/todebug.h" |
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44 #include "gen/runtime.h" |
1 | 45 |
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46 #include "ir/irvar.h" |
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47 #include "ir/irmodule.h" |
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48 |
1 | 49 ////////////////////////////////////////////////////////////////////////////////////////// |
50 | |
125 | 51 // in gen/optimize.cpp |
52 void llvmdc_optimize_module(llvm::Module* m, char lvl, bool doinline); | |
53 | |
54 ////////////////////////////////////////////////////////////////////////////////////////// | |
55 | |
56 void Module::genobjfile() | |
1 | 57 { |
58 Logger::cout() << "Generating module: " << (md ? md->toChars() : toChars()) << '\n'; | |
59 LOG_SCOPE; | |
60 | |
6 | 61 // start by deleting the old object file |
1 | 62 deleteObjFile(); |
63 | |
18 | 64 // create a new ir state |
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65 // TODO look at making the instance static and moving most functionality into IrModule where it belongs |
1 | 66 IRState ir; |
67 gIR = &ir; | |
68 ir.dmodule = this; | |
69 | |
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70 // reset all IR data stored in Dsymbols and Types |
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71 IrDsymbol::resetAll(); |
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72 IrType::resetAll(); |
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73 |
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74 // module ir state |
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75 // might already exist via import, just overwrite... |
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76 this->ir.irModule = new IrModule(this); |
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77 |
6 | 78 // name the module |
1 | 79 std::string mname(toChars()); |
80 if (md != 0) | |
81 mname = md->toChars(); | |
82 ir.module = new llvm::Module(mname); | |
83 | |
6 | 84 // set target stuff |
1 | 85 std::string target_triple(global.params.tt_arch); |
86 target_triple.append(global.params.tt_os); | |
87 ir.module->setTargetTriple(target_triple); | |
88 ir.module->setDataLayout(global.params.data_layout); | |
89 | |
73 | 90 // heavily inspired by tools/llc/llc.cpp:200-230 |
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91 const llvm::TargetMachineRegistry::entry* targetEntry; |
73 | 92 std::string targetError; |
93 targetEntry = llvm::TargetMachineRegistry::getClosestStaticTargetForModule(*ir.module, targetError); | |
94 assert(targetEntry && "Failed to find a static target for module"); | |
95 std::auto_ptr<llvm::TargetMachine> targetPtr(targetEntry->CtorFn(*ir.module, "")); // TODO: replace "" with features | |
96 assert(targetPtr.get() && "Could not allocate target machine!"); | |
97 llvm::TargetMachine &targetMachine = *targetPtr.get(); | |
98 gTargetData = targetMachine.getTargetData(); | |
1 | 99 |
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100 // debug info |
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101 if (global.params.symdebug) { |
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102 RegisterDwarfSymbols(ir.module); |
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103 DtoDwarfCompileUnit(this); |
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104 } |
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105 |
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106 // start out by providing opaque for the built-in class types |
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107 if (!ClassDeclaration::object->type->ir.type) |
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108 ClassDeclaration::object->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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109 |
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110 if (!Type::typeinfo->type->ir.type) |
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111 Type::typeinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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112 |
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113 if (!ClassDeclaration::classinfo->type->ir.type) |
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114 ClassDeclaration::classinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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115 |
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116 /*if (!Type::typeinfoclass->type->ir.type) |
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117 Type::typeinfoclass->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get());*/ |
106 | 118 |
6 | 119 // process module members |
1 | 120 for (int k=0; k < members->dim; k++) { |
121 Dsymbol* dsym = (Dsymbol*)(members->data[k]); | |
122 assert(dsym); | |
123 dsym->toObjFile(); | |
124 } | |
125 | |
102
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126 // main driver loop |
116
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127 DtoEmptyAllLists(); |
89 | 128 // generate ModuleInfo |
129 genmoduleinfo(); | |
116
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130 // do this again as moduleinfo might have pulled something in! |
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131 DtoEmptyAllLists(); |
89 | 132 |
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133 // emit usedArray |
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134 if (!ir.usedArray.empty()) |
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135 { |
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136 const LLArrayType* usedTy = LLArrayType::get(getVoidPtrType(), ir.usedArray.size()); |
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137 LLConstant* usedInit = LLConstantArray::get(usedTy, ir.usedArray); |
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138 LLGlobalVariable* usedArray = new LLGlobalVariable(usedTy, true, LLGlobalValue::AppendingLinkage, usedInit, "llvm.used", ir.module); |
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139 usedArray->setSection("llvm.metadata"); |
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140 } |
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141 |
6 | 142 // verify the llvm |
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143 if (!global.params.novalidate) { |
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144 std::string verifyErr; |
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145 Logger::println("Verifying module..."); |
117 | 146 LOG_SCOPE; |
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147 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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148 { |
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149 error("%s", verifyErr.c_str()); |
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150 fatal(); |
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151 } |
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152 else { |
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153 Logger::println("Verification passed!"); |
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154 } |
1 | 155 } |
156 | |
125 | 157 // run optimizer |
131 | 158 llvmdc_optimize_module(ir.module, global.params.optimizeLevel, global.params.llvmInline); |
1 | 159 |
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160 // eventually do our own path stuff, dmd's is a bit strange. |
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161 typedef llvm::sys::Path LLPath; |
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162 LLPath bcpath; |
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163 LLPath llpath; |
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164 |
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165 if (global.params.fqnPaths) |
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166 { |
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167 bcpath = LLPath(md->toChars()); |
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168 bcpath.appendSuffix("bc"); |
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169 |
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170 llpath = LLPath(md->toChars()); |
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171 llpath.appendSuffix("ll"); |
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172 } |
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173 else |
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174 { |
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175 bcpath = LLPath(bcfile->name->toChars()); |
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176 llpath = LLPath(llfile->name->toChars()); |
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177 } |
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178 |
52 | 179 // write bytecode |
180 { | |
181 Logger::println("Writing LLVM bitcode\n"); | |
217
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182 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 183 llvm::WriteBitcodeToFile(ir.module, bos); |
184 } | |
1 | 185 |
52 | 186 // disassemble ? |
187 if (global.params.disassemble) { | |
188 Logger::println("Writing LLVM asm to: %s\n", llfile->name->toChars()); | |
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189 std::ofstream aos(llpath.c_str()); |
52 | 190 ir.module->print(aos); |
191 } | |
1 | 192 |
193 delete ir.module; | |
125 | 194 gTargetData = 0; |
1 | 195 gIR = NULL; |
196 } | |
197 | |
198 /* ================================================================== */ | |
199 | |
116
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200 // build module ctor |
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201 |
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202 static llvm::Function* build_module_ctor() |
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203 { |
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204 if (gIR->ctors.empty()) |
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205 return NULL; |
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206 |
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207 size_t n = gIR->ctors.size(); |
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208 if (n == 1) |
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209 return gIR->ctors[0]->ir.irFunc->func; |
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210 |
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211 std::string name("_D"); |
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212 name.append(gIR->dmodule->mangle()); |
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213 name.append("6__ctorZ"); |
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214 |
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215 std::vector<const LLType*> argsTy; |
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216 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 217 assert(gIR->module->getFunction(name) == NULL); |
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218 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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219 fn->setCallingConv(llvm::CallingConv::Fast); |
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220 |
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221 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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222 IRBuilder builder(bb); |
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223 |
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224 for (size_t i=0; i<n; i++) { |
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225 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
316
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226 llvm::CallInst* call = builder.CreateCall(f,""); |
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227 call->setCallingConv(llvm::CallingConv::Fast); |
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228 } |
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229 |
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230 builder.CreateRetVoid(); |
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231 return fn; |
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232 } |
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233 |
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234 // build module dtor |
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235 |
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236 static llvm::Function* build_module_dtor() |
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237 { |
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238 if (gIR->dtors.empty()) |
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239 return NULL; |
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240 |
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241 size_t n = gIR->dtors.size(); |
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242 if (n == 1) |
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243 return gIR->dtors[0]->ir.irFunc->func; |
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244 |
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245 std::string name("_D"); |
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246 name.append(gIR->dmodule->mangle()); |
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247 name.append("6__dtorZ"); |
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248 |
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249 std::vector<const LLType*> argsTy; |
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250 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 251 assert(gIR->module->getFunction(name) == NULL); |
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252 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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253 fn->setCallingConv(llvm::CallingConv::Fast); |
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254 |
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255 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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256 IRBuilder builder(bb); |
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257 |
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258 for (size_t i=0; i<n; i++) { |
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259 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
316
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260 llvm::CallInst* call = builder.CreateCall(f,""); |
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261 call->setCallingConv(llvm::CallingConv::Fast); |
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262 } |
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263 |
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264 builder.CreateRetVoid(); |
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265 return fn; |
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266 } |
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267 |
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268 // build module unittest |
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269 |
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270 static llvm::Function* build_module_unittest() |
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271 { |
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272 if (gIR->unitTests.empty()) |
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273 return NULL; |
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274 |
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275 size_t n = gIR->unitTests.size(); |
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276 if (n == 1) |
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277 return gIR->unitTests[0]->ir.irFunc->func; |
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278 |
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279 std::string name("_D"); |
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280 name.append(gIR->dmodule->mangle()); |
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281 name.append("10__unittestZ"); |
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282 |
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283 std::vector<const LLType*> argsTy; |
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284 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 285 assert(gIR->module->getFunction(name) == NULL); |
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286 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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287 fn->setCallingConv(llvm::CallingConv::Fast); |
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288 |
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289 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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290 IRBuilder builder(bb); |
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291 |
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292 for (size_t i=0; i<n; i++) { |
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293 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
316
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294 llvm::CallInst* call = builder.CreateCall(f,""); |
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295 call->setCallingConv(llvm::CallingConv::Fast); |
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296 } |
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297 |
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298 builder.CreateRetVoid(); |
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299 return fn; |
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300 } |
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301 |
323
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302 // build ModuleReference and register function, to register the module info in the global linked list |
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303 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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304 { |
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305 // build ctor type |
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306 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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307 |
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308 // build ctor name |
324
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309 std::string fname = "_D"; |
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310 fname += gIR->dmodule->mangle(); |
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311 fname += "16__moduleinfoCtorZ"; |
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312 |
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313 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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314 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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315 |
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316 // provide the default initializer |
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317 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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318 std::vector<LLConstant*> mrefvalues; |
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319 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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320 mrefvalues.push_back(moduleinfo); |
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321 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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322 |
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323 // create the ModuleReference node for this module |
324
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324 std::string thismrefname = "_D"; |
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325 thismrefname += gIR->dmodule->mangle(); |
323
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326 thismrefname += "11__moduleRefZ"; |
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327 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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328 |
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329 // make sure _Dmodule_ref is declared |
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330 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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331 if (!mref) |
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332 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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333 |
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334 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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335 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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336 IRBuilder builder(bb); |
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337 |
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338 // get current beginning |
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339 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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340 |
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341 // put current beginning as the next of this one |
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342 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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343 builder.CreateStore(curbeg, gep); |
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344 |
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345 // replace beginning |
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346 builder.CreateStore(thismref, mref); |
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347 |
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348 // return |
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349 builder.CreateRetVoid(); |
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350 |
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351 return ctor; |
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352 } |
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353 |
1 | 354 // Put out instance of ModuleInfo for this Module |
355 | |
356 void Module::genmoduleinfo() | |
357 { | |
89 | 358 // The layout is: |
359 // { | |
360 // void **vptr; | |
361 // monitor_t monitor; | |
362 // char[] name; // class name | |
363 // ModuleInfo importedModules[]; | |
364 // ClassInfo localClasses[]; | |
365 // uint flags; // initialization state | |
366 // void *ctor; | |
367 // void *dtor; | |
368 // void *unitTest; | |
369 // } | |
370 | |
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371 // resolve ModuleInfo |
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372 assert(moduleinfo); |
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373 DtoForceConstInitDsymbol(moduleinfo); |
89 | 374 |
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375 // moduleinfo llvm struct type |
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376 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
89 | 377 |
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378 // classinfo llvm struct type |
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379 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 380 |
116
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381 // initializer vector |
213
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382 std::vector<LLConstant*> initVec; |
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383 LLConstant* c = 0; |
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384 |
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385 // vtable |
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386 c = moduleinfo->ir.irStruct->vtbl; |
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387 initVec.push_back(c); |
89 | 388 |
116
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389 // monitor |
244
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390 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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391 initVec.push_back(c); |
89 | 392 |
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393 // name |
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394 char *name = toPrettyChars(); |
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395 c = DtoConstString(name); |
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396 initVec.push_back(c); |
89 | 397 |
398 // importedModules[] | |
399 int aimports_dim = aimports.dim; | |
213
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400 std::vector<LLConstant*> importInits; |
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401 for (size_t i = 0; i < aimports.dim; i++) |
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402 { |
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403 Module *m = (Module *)aimports.data[i]; |
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404 if (!m->needModuleInfo()) |
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405 aimports_dim--; |
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406 else { // declare |
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407 // create name |
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408 std::string m_name("_D"); |
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409 m_name.append(m->mangle()); |
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410 m_name.append("8__ModuleZ"); |
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411 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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412 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
116
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413 importInits.push_back(m_gvar); |
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414 } |
89 | 415 } |
116
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416 // has import array? |
133
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417 if (!importInits.empty()) |
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418 { |
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419 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
116
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420 c = llvm::ConstantArray::get(importArrTy, importInits); |
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421 std::string m_name("_D"); |
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422 m_name.append(mangle()); |
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423 m_name.append("9__importsZ"); |
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424 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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425 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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426 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
116
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427 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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428 } |
89 | 429 else |
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430 c = moduleinfo->ir.irStruct->constInit->getOperand(3); |
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431 initVec.push_back(c); |
89 | 432 |
433 // localClasses[] | |
116
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434 ClassDeclarations aclasses; |
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435 //printf("members->dim = %d\n", members->dim); |
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436 for (size_t i = 0; i < members->dim; i++) |
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437 { |
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438 Dsymbol *member; |
89 | 439 |
116
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440 member = (Dsymbol *)members->data[i]; |
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441 //printf("\tmember '%s'\n", member->toChars()); |
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442 member->addLocalClass(&aclasses); |
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443 } |
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444 // fill inits |
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445 std::vector<LLConstant*> classInits; |
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446 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 447 { |
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448 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
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449 if (cd->isInterfaceDeclaration()) |
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450 { |
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451 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
133
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452 continue; |
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453 } |
132 | 454 Logger::println("class: %s", cd->toPrettyChars()); |
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455 assert(cd->ir.irStruct->classInfo); |
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456 classInits.push_back(cd->ir.irStruct->classInfo); |
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457 } |
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458 // has class array? |
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459 if (!classInits.empty()) |
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460 { |
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461 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
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462 c = llvm::ConstantArray::get(classArrTy, classInits); |
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463 std::string m_name("_D"); |
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464 m_name.append(mangle()); |
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465 m_name.append("9__classesZ"); |
184 | 466 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
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467 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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468 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(classArrTy->getElementType())); |
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469 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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470 } |
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471 else |
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472 c = moduleinfo->ir.irStruct->constInit->getOperand(4); |
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473 initVec.push_back(c); |
89 | 474 |
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475 // flags |
132 | 476 c = DtoConstUint(0); |
477 if (!needmoduleinfo) | |
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478 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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479 initVec.push_back(c); |
89 | 480 |
116
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481 // ctor |
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482 llvm::Function* fctor = build_module_ctor(); |
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483 c = fctor ? fctor : moduleinfo->ir.irStruct->constInit->getOperand(6); |
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484 initVec.push_back(c); |
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485 |
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486 // dtor |
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487 llvm::Function* fdtor = build_module_dtor(); |
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488 c = fdtor ? fdtor : moduleinfo->ir.irStruct->constInit->getOperand(7); |
116
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489 initVec.push_back(c); |
89 | 490 |
116
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491 // unitTest |
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492 llvm::Function* unittest = build_module_unittest(); |
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493 c = unittest ? unittest : moduleinfo->ir.irStruct->constInit->getOperand(8); |
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494 initVec.push_back(c); |
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495 |
132 | 496 // xgetMembers |
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497 c = moduleinfo->ir.irStruct->constInit->getOperand(9); |
132 | 498 initVec.push_back(c); |
499 | |
500 // ictor | |
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501 c = moduleinfo->ir.irStruct->constInit->getOperand(10); |
132 | 502 initVec.push_back(c); |
503 | |
504 /*Logger::println("MODULE INFO INITIALIZERS"); | |
505 for (size_t i=0; i<initVec.size(); ++i) | |
506 { | |
507 Logger::cout() << *initVec[i] << '\n'; | |
508 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
509 assert(0); | |
510 }*/ | |
511 | |
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512 // create initializer |
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513 LLConstant* constMI = llvm::ConstantStruct::get(moduleinfoTy, initVec); |
89 | 514 |
116
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515 // create name |
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516 std::string MIname("_D"); |
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517 MIname.append(mangle()); |
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518 MIname.append("8__ModuleZ"); |
89 | 519 |
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520 // declare |
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521 // flags will be modified at runtime so can't make it constant |
184 | 522 |
523 llvm::GlobalVariable* gvar = gIR->module->getGlobalVariable(MIname); | |
524 if (!gvar) gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, MIname, gIR->module); | |
525 gvar->setInitializer(constMI); | |
117 | 526 |
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527 // build the modulereference and ctor for registering it |
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528 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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529 |
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530 // register this ctor in the magic llvm.global_ctors appending array |
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531 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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532 std::vector<const LLType*> magictypes; |
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533 magictypes.push_back(LLType::Int32Ty); |
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534 magictypes.push_back(getPtrToType(magicfty)); |
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535 const LLStructType* magicsty = LLStructType::get(magictypes); |
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536 |
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537 // make the constant element |
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538 std::vector<LLConstant*> magicconstants; |
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539 magicconstants.push_back(DtoConstUint(65535)); |
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540 magicconstants.push_back(mictor); |
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541 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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542 |
117 | 543 // declare the appending array |
323
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544 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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545 std::vector<LLConstant*> appendInits(1, magicinit); |
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546 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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547 std::string appendName("llvm.global_ctors"); |
117 | 548 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 549 } |
550 | |
551 /* ================================================================== */ | |
552 | |
553 void Dsymbol::toObjFile() | |
554 { | |
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555 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 556 } |
557 | |
558 /* ================================================================== */ | |
559 | |
560 void Declaration::toObjFile() | |
561 { | |
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562 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 563 } |
564 | |
565 /* ================================================================== */ | |
566 | |
567 void InterfaceDeclaration::toObjFile() | |
568 { | |
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569 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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570 gIR->resolveList.push_back(this); |
1 | 571 } |
572 | |
573 /* ================================================================== */ | |
574 | |
575 void StructDeclaration::toObjFile() | |
576 { | |
102
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577 gIR->resolveList.push_back(this); |
1 | 578 } |
579 | |
580 /* ================================================================== */ | |
581 | |
582 void ClassDeclaration::toObjFile() | |
583 { | |
102
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584 gIR->resolveList.push_back(this); |
1 | 585 } |
586 | |
587 /****************************************** | |
588 * Get offset of base class's vtbl[] initializer from start of csym. | |
589 * Returns ~0 if not this csym. | |
590 */ | |
591 | |
592 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
593 { | |
594 return ~0; | |
595 } | |
596 | |
597 /* ================================================================== */ | |
598 | |
599 void VarDeclaration::toObjFile() | |
600 { | |
40 | 601 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 602 LOG_SCOPE; |
603 | |
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604 if (aliassym) |
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605 { |
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606 Logger::println("alias sym"); |
85
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607 toAlias()->toObjFile(); |
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608 return; |
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609 } |
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610 |
1 | 611 // global variable or magic |
85
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612 if (isDataseg()) |
1 | 613 { |
132 | 614 // we don't want to touch private static members at all !!! |
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615 if ((prot() == PROTprivate) && getModule() != gIR->dmodule) |
132 | 616 return; |
617 | |
618 // don't duplicate work | |
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619 if (this->ir.resolved) return; |
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620 this->ir.resolved = true; |
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621 this->ir.declared = true; |
40 | 622 |
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623 this->ir.irGlobal = new IrGlobal(this); |
100 | 624 |
625 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
626 | |
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627 // handle static local variables |
100 | 628 bool static_local = false; |
149
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629 bool _isconst = isConst(); |
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630 if (parent && parent->isFuncDeclaration()) |
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631 { |
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632 static_local = true; |
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633 if (init && init->isExpInitializer()) { |
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634 _isconst = false; |
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635 } |
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636 } |
149
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637 |
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638 Logger::println("Creating global variable"); |
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639 |
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640 const LLType* _type = this->ir.irGlobal->type.get(); |
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641 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
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642 std::string _name(mangle()); |
52 | 643 |
100 | 644 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
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645 this->ir.irGlobal->value = gvar; |
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646 |
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647 Logger::cout() << *gvar << '\n'; |
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648 |
100 | 649 if (static_local) |
650 DtoConstInitGlobal(this); | |
651 else | |
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652 gIR->constInitList.push_back(this); |
1 | 653 } |
654 | |
655 // inside aggregate declaration. declare a field. | |
656 else | |
657 { | |
658 Logger::println("Aggregate var declaration: '%s' offset=%d", toChars(), offset); | |
659 | |
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660 const LLType* _type = DtoType(type); |
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661 this->ir.irField = new IrField(this); |
73 | 662 |
663 // add the field in the IRStruct | |
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664 gIR->topstruct()->offsets.insert(std::make_pair(offset, IrStruct::Offset(this, _type))); |
1 | 665 } |
666 | |
667 Logger::println("VarDeclaration::toObjFile is done"); | |
668 } | |
669 | |
670 /* ================================================================== */ | |
671 | |
672 void TypedefDeclaration::toObjFile() | |
673 { | |
674 static int tdi = 0; | |
675 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
676 LOG_SCOPE; | |
677 | |
52 | 678 // generate typeinfo |
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679 DtoTypeInfoOf(type, false); |
1 | 680 } |
681 | |
682 /* ================================================================== */ | |
683 | |
684 void EnumDeclaration::toObjFile() | |
685 { | |
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686 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 687 } |
688 | |
689 /* ================================================================== */ | |
690 | |
691 void FuncDeclaration::toObjFile() | |
692 { | |
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693 gIR->resolveList.push_back(this); |
1 | 694 } |