| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // Copyright (c) 2021-2024 ChilliBits. All rights reserved. | ||
| 2 | |||
| 3 | #include "DebugInfoGenerator.h" | ||
| 4 | |||
| 5 | #include <llvm/BinaryFormat/Dwarf.h> | ||
| 6 | #include <llvm/IR/Module.h> | ||
| 7 | |||
| 8 | #include <ast/ASTNodes.h> | ||
| 9 | #include <driver/Driver.h> | ||
| 10 | #include <irgenerator/IRGenerator.h> | ||
| 11 | #include <irgenerator/NameMangling.h> | ||
| 12 | #include <model/Function.h> | ||
| 13 | #include <model/Struct.h> | ||
| 14 | #include <util/CustomHashFunctions.h> | ||
| 15 | #include <util/FileUtil.h> | ||
| 16 | |||
| 17 | namespace spice::compiler { | ||
| 18 | |||
| 19 | 13 | void DebugInfoGenerator::initialize(const std::string &sourceFileName, std::filesystem::path sourceFileDir) { | |
| 20 | 13 | llvm::Module *module = irGenerator->module; | |
| 21 | 13 | llvm::LLVMContext &context = irGenerator->context; | |
| 22 |
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13 | const std::string producerString = "spice version " + std::string(SPICE_VERSION) + " (https://github.com/spicelang/spice)"; |
| 23 | |||
| 24 | // Create DIBuilder | ||
| 25 |
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13 | diBuilder = std::make_unique<llvm::DIBuilder>(*module); |
| 26 | |||
| 27 | // Create compilation unit | ||
| 28 |
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13 | std::filesystem::path absolutePath = absolute(sourceFileDir / sourceFileName); |
| 29 | 13 | absolutePath.make_preferred(); | |
| 30 | 13 | sourceFileDir.make_preferred(); | |
| 31 |
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13 | llvm::DIFile *cuDiFile = diBuilder->createFile(absolutePath.string(), sourceFileDir.string()); |
| 32 |
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26 | compileUnit = diBuilder->createCompileUnit(llvm::dwarf::DW_LANG_C_plus_plus_14, cuDiFile, producerString, |
| 33 | 13 | irGenerator->cliOptions.optLevel > O0, "", 0, "", llvm::DICompileUnit::FullDebug, 0, | |
| 34 | false, false, llvm::DICompileUnit::DebugNameTableKind::None); | ||
| 35 | |||
| 36 |
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13 | module->addModuleFlag(llvm::Module::Max, "Dwarf Version", llvm::dwarf::DWARF_VERSION); |
| 37 |
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13 | module->addModuleFlag(llvm::Module::Warning, "Debug Info Version", llvm::DEBUG_METADATA_VERSION); |
| 38 |
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13 | module->addModuleFlag(llvm::Module::Error, "wchar_size", 4); |
| 39 |
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13 | module->addModuleFlag(llvm::Module::Min, "PIC Level", llvm::PICLevel::BigPIC); |
| 40 |
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13 | module->addModuleFlag(llvm::Module::Max, "PIE Level", llvm::PIELevel::Large); |
| 41 |
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13 | module->addModuleFlag(llvm::Module::Max, "uwtable", 2); |
| 42 |
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13 | module->addModuleFlag(llvm::Module::Max, "frame-pointer", 2); |
| 43 | |||
| 44 |
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13 | llvm::NamedMDNode *identifierMetadata = module->getOrInsertNamedMetadata("llvm.ident"); |
| 45 |
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13 | identifierMetadata->addOperand(llvm::MDNode::get(context, llvm::MDString::get(context, producerString))); |
| 46 | |||
| 47 | // Create another DIFile as scope for subprograms | ||
| 48 |
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13 | diFile = diBuilder->createFile(sourceFileName, sourceFileDir.string()); |
| 49 | |||
| 50 |
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13 | pointerWidth = irGenerator->module->getDataLayout().getPointerSizeInBits(); |
| 51 | |||
| 52 | // Initialize primitive debug types | ||
| 53 |
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13 | doubleTy = diBuilder->createBasicType("double", 64, llvm::dwarf::DW_ATE_float); |
| 54 |
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13 | intTy = diBuilder->createBasicType("int", 32, llvm::dwarf::DW_ATE_signed); |
| 55 |
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13 | uIntTy = diBuilder->createBasicType("unsigned int", 32, llvm::dwarf::DW_ATE_unsigned); |
| 56 |
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13 | shortTy = diBuilder->createBasicType("short", 16, llvm::dwarf::DW_ATE_signed); |
| 57 |
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13 | uShortTy = diBuilder->createBasicType("unsigned short", 16, llvm::dwarf::DW_ATE_unsigned); |
| 58 |
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13 | longTy = diBuilder->createBasicType("long", 64, llvm::dwarf::DW_ATE_signed); |
| 59 |
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13 | uLongTy = diBuilder->createBasicType("unsigned long", 64, llvm::dwarf::DW_ATE_unsigned); |
| 60 |
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13 | byteTy = diBuilder->createBasicType("byte", 8, llvm::dwarf::DW_ATE_unsigned); |
| 61 |
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13 | charTy = diBuilder->createBasicType("char", 8, llvm::dwarf::DW_ATE_unsigned_char); |
| 62 |
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13 | stringTy = diBuilder->createPointerType(charTy, pointerWidth); |
| 63 |
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13 | boolTy = diBuilder->createBasicType("bool", 8, llvm::dwarf::DW_ATE_boolean); |
| 64 |
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13 | voidTy = diBuilder->createBasicType("void", 0, llvm::dwarf::DW_ATE_unsigned); |
| 65 | |||
| 66 | // Initialize fat ptr type | ||
| 67 |
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13 | llvm::PointerType *ptrTy = irGenerator->builder.getPtrTy(); |
| 68 |
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13 | if (!irGenerator->llvmTypes.fatPtrType) |
| 69 |
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13 | irGenerator->llvmTypes.fatPtrType = llvm::StructType::get(context, {ptrTy, ptrTy}); |
| 70 | |||
| 71 | 13 | const llvm::DataLayout &dataLayout = module->getDataLayout(); | |
| 72 |
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13 | const llvm::StructLayout *structLayout = dataLayout.getStructLayout(irGenerator->llvmTypes.fatPtrType); |
| 73 |
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13 | const uint32_t alignInBits = dataLayout.getABITypeAlign(irGenerator->llvmTypes.fatPtrType).value(); |
| 74 |
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13 | const uint32_t ptrAlignInBits = dataLayout.getABITypeAlign(ptrTy).value(); |
| 75 | |||
| 76 |
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13 | fatPtrTy = diBuilder->createStructType(diFile, "_fat_ptr", diFile, 0, structLayout->getSizeInBits(), alignInBits, |
| 77 | llvm::DINode::FlagTypePassByValue | llvm::DINode::FlagNonTrivial, nullptr, {}, 0, | ||
| 78 | nullptr, "_fat_ptr"); | ||
| 79 | |||
| 80 |
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13 | llvm::DIType *voidPtrDIType = diBuilder->createPointerType(voidTy, pointerWidth, ptrAlignInBits); |
| 81 |
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13 | llvm::DIDerivedType *firstType = diBuilder->createMemberType(fatPtrTy, "fct", diFile, 0, pointerWidth, ptrAlignInBits, 0, |
| 82 | llvm::DINode::FlagZero, voidPtrDIType); | ||
| 83 |
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26 | llvm::DIDerivedType *secondType = diBuilder->createMemberType(fatPtrTy, "captures", diFile, 0, pointerWidth, ptrAlignInBits, |
| 84 |
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13 | pointerWidth, llvm::DINode::FlagZero, voidPtrDIType); |
| 85 |
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13 | fatPtrTy->replaceElements(llvm::MDTuple::get(context, {firstType, secondType})); |
| 86 | 13 | } | |
| 87 | |||
| 88 | 6137 | void DebugInfoGenerator::generateFunctionDebugInfo(llvm::Function *llvmFunction, const Function *spiceFunc, bool isLambda) { | |
| 89 |
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6137 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 90 | 6004 | return; | |
| 91 | |||
| 92 | 133 | const ASTNode *node = spiceFunc->declNode; | |
| 93 |
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133 | const uint32_t lineNo = spiceFunc->getDeclCodeLoc().line; |
| 94 | |||
| 95 | // Prepare flags | ||
| 96 | 133 | llvm::DIScope *scope = diFile; | |
| 97 | 133 | llvm::DINode::DIFlags flags = llvm::DINode::FlagPrototyped; | |
| 98 |
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133 | if (spiceFunc->entry && spiceFunc->entry->getQualType().isPublic()) |
| 99 |
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125 | flags |= llvm::DINode::FlagPublic; |
| 100 | |||
| 101 | // Prepare spFlags | ||
| 102 | 133 | llvm::DISubprogram::DISPFlags spFlags = llvm::DISubprogram::SPFlagDefinition; | |
| 103 |
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133 | if (isLambda) |
| 104 | ✗ | spFlags |= llvm::DISubprogram::SPFlagLocalToUnit; | |
| 105 |
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133 | if (spiceFunc->isVirtual) { |
| 106 |
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5 | if (spiceFunc->thisType.is(TY_INTERFACE)) |
| 107 | ✗ | spFlags |= llvm::DISubprogram::SPFlagPureVirtual; | |
| 108 | else | ||
| 109 |
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5 | spFlags |= llvm::DISubprogram::SPFlagVirtual; |
| 110 | } | ||
| 111 | |||
| 112 | // Collect arguments | ||
| 113 |
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133 | std::vector<llvm::Metadata *> argTypes; |
| 114 |
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133 | if (spiceFunc->isProcedure()) |
| 115 |
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50 | argTypes.push_back(voidTy); |
| 116 | else | ||
| 117 |
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83 | argTypes.push_back(getDITypeForQualType(node, spiceFunc->returnType)); // Add result type |
| 118 |
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133 | if (spiceFunc->isMethod()) |
| 119 |
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101 | argTypes.push_back(getDITypeForQualType(node, spiceFunc->thisType)); // Add this type |
| 120 |
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133 | if (isLambda) { |
| 121 | ✗ | llvm::DICompositeType *captureStructType = generateCaptureStructDebugInfo(spiceFunc); | |
| 122 | ✗ | scope = captureStructType; | |
| 123 | ✗ | llvm::DIType *captureStructPtr = diBuilder->createPointerType(captureStructType, pointerWidth); | |
| 124 | ✗ | argTypes.push_back(captureStructPtr); // Add this type | |
| 125 | } | ||
| 126 |
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272 | for (const QualType &argType : spiceFunc->getParamTypes()) // Add arg types |
| 127 |
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272 | argTypes.push_back(getDITypeForQualType(node, argType)); |
| 128 | |||
| 129 | // Create function type | ||
| 130 |
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133 | llvm::DISubroutineType *functionTy = diBuilder->createSubroutineType(diBuilder->getOrCreateTypeArray(argTypes)); |
| 131 | |||
| 132 |
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133 | const std::string mangledName = spiceFunc->getMangledName(); |
| 133 | llvm::DISubprogram *subprogram; | ||
| 134 |
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133 | const std::string &name = spiceFunc->name; |
| 135 |
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133 | if (spiceFunc->isMethod()) { |
| 136 |
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101 | subprogram = diBuilder->createMethod(scope, name, mangledName, diFile, lineNo, functionTy, 0, 0, nullptr, flags, spFlags); |
| 137 | } else { | ||
| 138 |
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32 | subprogram = diBuilder->createFunction(scope, name, mangledName, diFile, lineNo, functionTy, lineNo, flags, spFlags); |
| 139 | } | ||
| 140 |
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133 | subprogram->replaceRetainedNodes({}); |
| 141 | |||
| 142 | // Add debug info to LLVM function | ||
| 143 |
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133 | llvmFunction->setSubprogram(subprogram); |
| 144 | // Add scope to lexicalBlocks | ||
| 145 |
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133 | lexicalBlocks.push(subprogram); |
| 146 | 133 | } | |
| 147 | |||
| 148 | 6347 | void DebugInfoGenerator::concludeFunctionDebugInfo() { | |
| 149 |
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6347 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 150 | 6214 | return; | |
| 151 | |||
| 152 |
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133 | assert(!lexicalBlocks.empty()); |
| 153 | 133 | lexicalBlocks.pop(); | |
| 154 | } | ||
| 155 | |||
| 156 | 5889 | void DebugInfoGenerator::pushLexicalBlock(const ASTNode *node) { | |
| 157 |
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5889 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 158 | 5745 | return; | |
| 159 | |||
| 160 | 144 | const uint32_t line = node->codeLoc.line; | |
| 161 | 144 | const uint32_t col = node->codeLoc.col; | |
| 162 | 144 | llvm::DILexicalBlock *lexicalBlock = diBuilder->createLexicalBlock(lexicalBlocks.top(), diFile, line, col); | |
| 163 |
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144 | lexicalBlocks.push(lexicalBlock); |
| 164 | } | ||
| 165 | |||
| 166 | 5889 | void DebugInfoGenerator::popLexicalBlock() { | |
| 167 |
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5889 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 168 | 5745 | return; | |
| 169 | |||
| 170 |
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144 | assert(!lexicalBlocks.empty()); |
| 171 | 144 | lexicalBlocks.pop(); | |
| 172 | } | ||
| 173 | |||
| 174 | ✗ | llvm::DICompositeType *DebugInfoGenerator::generateCaptureStructDebugInfo(const Function *spiceFunc) { | |
| 175 | ✗ | const CaptureMap &captures = spiceFunc->bodyScope->symbolTable.captures; | |
| 176 | ✗ | const ASTNode *node = spiceFunc->declNode; | |
| 177 | ✗ | const uint32_t lineNo = node->codeLoc.line; | |
| 178 | |||
| 179 | // Get LLVM type for struct | ||
| 180 | ✗ | std::vector<llvm::Type *> fieldTypes; | |
| 181 | ✗ | std::vector<SymbolTableEntry *> fieldEntries; | |
| 182 | ✗ | QualTypeList fieldSymbolTypes; | |
| 183 | ✗ | for (const auto &capture : captures | std::views::values) { | |
| 184 | ✗ | QualType captureType = capture.capturedSymbol->getQualType(); | |
| 185 | |||
| 186 | // Capture by reference | ||
| 187 | ✗ | if (capture.getMode() == BY_REFERENCE) | |
| 188 | ✗ | captureType = captureType.toRef(node); | |
| 189 | |||
| 190 | ✗ | fieldEntries.push_back(capture.capturedSymbol); | |
| 191 | ✗ | fieldSymbolTypes.push_back(captureType); | |
| 192 | ✗ | fieldTypes.push_back(captureType.toLLVMType(irGenerator->sourceFile)); | |
| 193 | } | ||
| 194 | ✗ | llvm::StructType *structType = llvm::StructType::get(irGenerator->context, fieldTypes); | |
| 195 | ✗ | const llvm::StructLayout *structLayout = irGenerator->module->getDataLayout().getStructLayout(structType); | |
| 196 | ✗ | const size_t alignInBits = irGenerator->module->getDataLayout().getABITypeAlign(structType).value(); | |
| 197 | |||
| 198 | ✗ | llvm::DIScope *scope = lexicalBlocks.top(); | |
| 199 | llvm::DICompositeType *structDiType = | ||
| 200 | ✗ | diBuilder->createClassType(scope, "", diFile, lineNo, structLayout->getSizeInBits(), alignInBits, 0, | |
| 201 | llvm::DINode::FlagTypePassByValue | llvm::DINode::FlagNonTrivial, nullptr, {}); | ||
| 202 | |||
| 203 | ✗ | std::vector<llvm::Metadata *> fieldDITypes; | |
| 204 | ✗ | for (size_t i = 0; i < fieldEntries.size(); i++) { | |
| 205 | ✗ | llvm::DIType *fieldDiType = getDITypeForQualType(node, fieldSymbolTypes.at(i)); | |
| 206 | ✗ | const std::string &fieldName = fieldEntries.at(i)->name; | |
| 207 | ✗ | const size_t offsetInBits = structLayout->getElementOffsetInBits(i); | |
| 208 | ✗ | const size_t fieldSize = fieldDiType->getSizeInBits(); | |
| 209 | ✗ | const size_t fieldAlign = fieldDiType->getAlignInBits(); | |
| 210 | ✗ | llvm::DIDerivedType *fieldDiDerivedType = diBuilder->createMemberType( | |
| 211 | structDiType, fieldName, diFile, lineNo, fieldSize, fieldAlign, offsetInBits, llvm::DINode::FlagZero, fieldDiType); | ||
| 212 | ✗ | fieldDITypes.push_back(fieldDiDerivedType); | |
| 213 | } | ||
| 214 | ✗ | structDiType->replaceElements(llvm::MDTuple::get(irGenerator->context, fieldDITypes)); | |
| 215 | |||
| 216 | ✗ | return structDiType; | |
| 217 | ✗ | } | |
| 218 | |||
| 219 | 709 | void DebugInfoGenerator::generateGlobalVarDebugInfo(llvm::GlobalVariable *global, const SymbolTableEntry *globalEntry) { | |
| 220 |
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709 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 221 | 703 | return; | |
| 222 | |||
| 223 |
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6 | const uint32_t lineNo = globalEntry->getDeclCodeLoc().line; |
| 224 |
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6 | const llvm::StringRef name = global->getName(); |
| 225 |
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6 | llvm::DIType *type = getDITypeForQualType(globalEntry->declNode, globalEntry->getQualType()); |
| 226 |
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6 | const bool isLocal = globalEntry->getQualType().isPublic(); |
| 227 | |||
| 228 |
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6 | global->addDebugInfo(diBuilder->createGlobalVariableExpression(compileUnit, name, name, diFile, lineNo, type, isLocal)); |
| 229 | } | ||
| 230 | |||
| 231 | 14 | void DebugInfoGenerator::generateGlobalStringDebugInfo(llvm::GlobalVariable *global, const std::string &name, size_t length, | |
| 232 | const CodeLoc &codeLoc) const { | ||
| 233 | 14 | const uint32_t lineNo = codeLoc.line; | |
| 234 | 14 | const size_t sizeInBits = (length + 1) * 8; // +1 because of null-terminator | |
| 235 | |||
| 236 |
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14 | llvm::DIStringType *stringType = diBuilder->createStringType(name, sizeInBits); |
| 237 |
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14 | global->addDebugInfo(diBuilder->createGlobalVariableExpression(compileUnit, name, name, diFile, lineNo, stringType, true)); |
| 238 | 14 | } | |
| 239 | |||
| 240 | 20542 | void DebugInfoGenerator::generateLocalVarDebugInfo(const std::string &varName, llvm::Value *address, const size_t argNumber) { | |
| 241 |
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20542 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 242 | 20079 | return; | |
| 243 | |||
| 244 | // Get symbol table entry | ||
| 245 | 463 | const SymbolTableEntry *variableEntry = irGenerator->currentScope->lookupStrict(varName); | |
| 246 |
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463 | assert(variableEntry != nullptr); |
| 247 | // Build debug info | ||
| 248 | 463 | llvm::DIScope *scope = lexicalBlocks.top(); | |
| 249 | 463 | llvm::DIType *diType = getDITypeForQualType(variableEntry->declNode, variableEntry->getQualType()); | |
| 250 | 463 | const uint32_t lineNo = variableEntry->declNode->codeLoc.line; | |
| 251 | |||
| 252 | llvm::DILocalVariable *varInfo; | ||
| 253 |
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463 | if (argNumber != SIZE_MAX) |
| 254 |
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240 | varInfo = diBuilder->createParameterVariable(scope, varName, argNumber, diFile, lineNo, diType); |
| 255 | else | ||
| 256 |
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223 | varInfo = diBuilder->createAutoVariable(scope, varName, diFile, lineNo, diType); |
| 257 |
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463 | llvm::DIExpression *expr = diBuilder->createExpression(); |
| 258 |
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463 | const llvm::DILocation *debugLocation = irGenerator->builder.getCurrentDebugLocation(); |
| 259 |
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463 | assert(debugLocation != nullptr); |
| 260 |
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463 | llvm::Instruction *prevInst = irGenerator->builder.GetInsertPoint()->getPrevNonDebugInstruction(); |
| 261 | 463 | diBuilder->insertDeclare(address, varInfo, expr, debugLocation, prevInst); | |
| 262 | } | ||
| 263 | |||
| 264 | 807403 | void DebugInfoGenerator::setSourceLocation(const CodeLoc &codeLoc) { | |
| 265 |
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807403 | if (!irGenerator->cliOptions.generateDebugInfo) |
| 266 | 789095 | return; | |
| 267 | |||
| 268 |
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18308 | assert(!lexicalBlocks.empty()); |
| 269 | 18308 | llvm::DIScope *scope = lexicalBlocks.top(); | |
| 270 | 18308 | const llvm::DILocation *diCodeLoc = llvm::DILocation::get(scope->getContext(), codeLoc.line, codeLoc.col, scope); | |
| 271 |
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18308 | irGenerator->builder.SetCurrentDebugLocation(diCodeLoc); |
| 272 | } | ||
| 273 | |||
| 274 | 789533 | void DebugInfoGenerator::setSourceLocation(const ASTNode *node) { setSourceLocation(node->codeLoc); } | |
| 275 | |||
| 276 | 678 | void DebugInfoGenerator::finalize() const { | |
| 277 |
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678 | if (irGenerator->cliOptions.generateDebugInfo) |
| 278 | 13 | diBuilder->finalize(); | |
| 279 | 678 | } | |
| 280 | |||
| 281 | 1097 | llvm::DIType *DebugInfoGenerator::getDITypeForQualType(const ASTNode *node, const QualType &ty) { // NOLINT(*-no-recursion) | |
| 282 | // Pointer type | ||
| 283 |
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1097 | if (ty.isPtr()) { |
| 284 |
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149 | llvm::DIType *pointeeTy = getDITypeForQualType(node, ty.getContained()); |
| 285 |
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149 | return diBuilder->createPointerType(pointeeTy, pointerWidth); |
| 286 | } | ||
| 287 | |||
| 288 | // Reference type | ||
| 289 |
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948 | if (ty.isRef()) { |
| 290 |
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100 | llvm::DIType *referencedType = getDITypeForQualType(node, ty.getContained()); |
| 291 |
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100 | return diBuilder->createReferenceType(llvm::dwarf::DW_TAG_reference_type, referencedType, pointerWidth); |
| 292 | } | ||
| 293 | |||
| 294 | // Array type | ||
| 295 |
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848 | if (ty.isArray()) { |
| 296 |
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2 | llvm::DIType *itemTy = getDITypeForQualType(node, ty.getContained()); |
| 297 |
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2 | const size_t size = ty.getArraySize(); |
| 298 |
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2 | const llvm::DINodeArray subscripts = diBuilder->getOrCreateArray({}); |
| 299 |
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2 | return diBuilder->createArrayType(size, 0, itemTy, subscripts); |
| 300 | } | ||
| 301 | |||
| 302 | // Primitive types | ||
| 303 | llvm::DIType *baseDiType; | ||
| 304 |
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846 | switch (ty.getSuperType()) { |
| 305 | ✗ | case TY_DOUBLE: | |
| 306 | ✗ | baseDiType = doubleTy; | |
| 307 | ✗ | break; | |
| 308 | 59 | case TY_INT: | |
| 309 |
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59 | baseDiType = ty.isSigned() ? intTy : uIntTy; |
| 310 | 59 | break; | |
| 311 | ✗ | case TY_SHORT: | |
| 312 | ✗ | baseDiType = ty.isSigned() ? shortTy : uShortTy; | |
| 313 | ✗ | break; | |
| 314 | 216 | case TY_LONG: | |
| 315 |
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216 | baseDiType = ty.isSigned() ? longTy : uLongTy; |
| 316 | 216 | break; | |
| 317 | 23 | case TY_BYTE: | |
| 318 | 23 | baseDiType = byteTy; | |
| 319 | 23 | break; | |
| 320 | 55 | case TY_CHAR: | |
| 321 | 55 | baseDiType = charTy; | |
| 322 | 55 | break; | |
| 323 | 126 | case TY_STRING: | |
| 324 | 126 | baseDiType = stringTy; | |
| 325 | 126 | break; | |
| 326 | 64 | case TY_BOOL: | |
| 327 | 64 | baseDiType = boolTy; | |
| 328 | 64 | break; | |
| 329 | 303 | case TY_STRUCT: { | |
| 330 | // Do cache lookup | ||
| 331 | 303 | const size_t hashKey = std::hash<QualType>{}(ty); | |
| 332 |
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303 | if (structTypeCache.contains(hashKey)) |
| 333 |
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279 | return structTypeCache.at(hashKey); |
| 334 | |||
| 335 | // Cache miss, generate struct type | ||
| 336 |
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24 | const Struct *spiceStruct = ty.getStruct(node); |
| 337 |
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24 | assert(spiceStruct != nullptr); |
| 338 | |||
| 339 | // Retrieve information about the struct | ||
| 340 |
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24 | const uint32_t lineNo = spiceStruct->getDeclCodeLoc().line; |
| 341 |
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24 | llvm::Type *structType = spiceStruct->entry->getQualType().toLLVMType(irGenerator->sourceFile); |
| 342 |
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24 | assert(structType != nullptr); |
| 343 | 24 | const llvm::DataLayout &dataLayout = irGenerator->module->getDataLayout(); | |
| 344 |
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24 | const llvm::StructLayout *structLayout = dataLayout.getStructLayout(reinterpret_cast<llvm::StructType *>(structType)); |
| 345 |
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24 | const uint32_t alignInBits = dataLayout.getABITypeAlign(structType).value(); |
| 346 | |||
| 347 | // Create struct ty | ||
| 348 |
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24 | const std::string mangledName = NameMangling::mangleStruct(*spiceStruct); |
| 349 |
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48 | llvm::DICompositeType *structDiType = diBuilder->createStructType( |
| 350 |
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48 | diFile, spiceStruct->name, diFile, lineNo, structLayout->getSizeInBits(), alignInBits, |
| 351 | 24 | llvm::DINode::FlagTypePassByReference | llvm::DINode::FlagNonTrivial, nullptr, {}, 0, nullptr, mangledName); | |
| 352 | 24 | baseDiType = structDiType; | |
| 353 | |||
| 354 | // Insert into cache | ||
| 355 |
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24 | structTypeCache.insert({hashKey, structDiType}); |
| 356 | |||
| 357 | // Collect DI types for fields | ||
| 358 | 24 | std::vector<llvm::Metadata *> fieldTypes; | |
| 359 |
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82 | for (size_t i = 0; i < spiceStruct->scope->getFieldCount(); i++) { |
| 360 | // Get field entry | ||
| 361 |
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58 | const SymbolTableEntry *fieldEntry = spiceStruct->scope->lookupField(i); |
| 362 |
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58 | assert(fieldEntry != nullptr && fieldEntry->isField()); |
| 363 |
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58 | if (fieldEntry->isImplicitField) |
| 364 | 4 | continue; | |
| 365 | |||
| 366 |
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54 | const QualType &fieldType = fieldEntry->getQualType(); |
| 367 | 54 | const uint32_t fieldLineNo = fieldEntry->declNode->codeLoc.line; | |
| 368 |
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54 | const size_t offsetInBits = structLayout->getElementOffsetInBits(i); |
| 369 | |||
| 370 |
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54 | llvm::DIType *fieldDiType = getDITypeForQualType(node, fieldType); |
| 371 | llvm::DIDerivedType *fieldDiDerivedType = | ||
| 372 |
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54 | diBuilder->createMemberType(structDiType, fieldEntry->name, diFile, fieldLineNo, fieldDiType->getSizeInBits(), |
| 373 | fieldDiType->getAlignInBits(), offsetInBits, llvm::DINode::FlagZero, fieldDiType); | ||
| 374 | |||
| 375 |
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54 | fieldTypes.push_back(fieldDiDerivedType); |
| 376 | } | ||
| 377 | |||
| 378 |
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24 | structDiType->replaceElements(llvm::MDTuple::get(irGenerator->context, fieldTypes)); |
| 379 | 24 | break; | |
| 380 | 24 | } | |
| 381 | ✗ | case TY_INTERFACE: { | |
| 382 | // Do cache lookup | ||
| 383 | ✗ | const size_t hashKey = std::hash<QualType>{}(ty); | |
| 384 | ✗ | if (structTypeCache.contains(hashKey)) | |
| 385 | ✗ | return structTypeCache.at(hashKey); | |
| 386 | |||
| 387 | // Cache miss, generate interface type | ||
| 388 | ✗ | const Interface *spiceInterface = ty.getInterface(node); | |
| 389 | ✗ | assert(spiceInterface != nullptr); | |
| 390 | |||
| 391 | // Retrieve information about the interface | ||
| 392 | ✗ | const uint32_t lineNo = spiceInterface->getDeclCodeLoc().line; | |
| 393 | ✗ | llvm::Type *interfaceType = spiceInterface->entry->getQualType().toLLVMType(irGenerator->sourceFile); | |
| 394 | ✗ | assert(interfaceType != nullptr); | |
| 395 | ✗ | const llvm::DataLayout dataLayout = irGenerator->module->getDataLayout(); | |
| 396 | ✗ | const llvm::StructLayout *structLayout = dataLayout.getStructLayout(reinterpret_cast<llvm::StructType *>(interfaceType)); | |
| 397 | ✗ | const uint32_t alignInBits = dataLayout.getABITypeAlign(interfaceType).value(); | |
| 398 | |||
| 399 | // Create interface ty | ||
| 400 | ✗ | const std::string mangledName = NameMangling::mangleInterface(*spiceInterface); | |
| 401 | ✗ | llvm::DICompositeType *interfaceDiType = diBuilder->createStructType( | |
| 402 | ✗ | diFile, spiceInterface->name, diFile, lineNo, structLayout->getSizeInBits(), alignInBits, | |
| 403 | ✗ | llvm::DINode::FlagTypePassByReference | llvm::DINode::FlagNonTrivial, nullptr, {}, 0, nullptr, mangledName); | |
| 404 | |||
| 405 | // Set vtable holder to itself for interfaces | ||
| 406 | ✗ | interfaceDiType->replaceVTableHolder(interfaceDiType); | |
| 407 | ✗ | baseDiType = interfaceDiType; | |
| 408 | |||
| 409 | // Insert into cache | ||
| 410 | ✗ | structTypeCache.insert({hashKey, interfaceDiType}); | |
| 411 | |||
| 412 | ✗ | break; | |
| 413 | ✗ | } | |
| 414 | ✗ | case TY_FUNCTION: // fall-through | |
| 415 | case TY_PROCEDURE: | ||
| 416 | ✗ | baseDiType = fatPtrTy; | |
| 417 | ✗ | break; | |
| 418 | ✗ | default: | |
| 419 | − | throw CompilerError(UNHANDLED_BRANCH, "Debug Info Type fallthrough"); // GCOV_EXCL_LINE | |
| 420 | } | ||
| 421 | |||
| 422 |
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567 | if (ty.isConst()) |
| 423 | 76 | baseDiType = diBuilder->createQualifiedType(llvm::dwarf::DW_TAG_const_type, baseDiType); | |
| 424 | |||
| 425 | 567 | return baseDiType; | |
| 426 | } | ||
| 427 | |||
| 428 | } // namespace spice::compiler | ||
| 429 |