1 //===- PDBSymbol.cpp - base class for user-facing symbol types --*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/DebugInfo/PDB/PDBSymbol.h" 11 12 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h" 13 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h" 14 #include "llvm/DebugInfo/PDB/PDBSymbolAnnotation.h" 15 #include "llvm/DebugInfo/PDB/PDBSymbolBlock.h" 16 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h" 17 #include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h" 18 #include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h" 19 #include "llvm/DebugInfo/PDB/PDBSymbolCustom.h" 20 #include "llvm/DebugInfo/PDB/PDBSymbolData.h" 21 #include "llvm/DebugInfo/PDB/PDBSymbolExe.h" 22 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h" 23 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h" 24 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h" 25 #include "llvm/DebugInfo/PDB/PDBSymbolLabel.h" 26 #include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h" 27 #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h" 28 #include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h" 29 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h" 30 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h" 31 #include "llvm/DebugInfo/PDB/PDBSymbolTypeCustom.h" 32 #include "llvm/DebugInfo/PDB/PDBSymbolTypeDimension.h" 33 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h" 34 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFriend.h" 35 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h" 36 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h" 37 #include "llvm/DebugInfo/PDB/PDBSymbolTypeManaged.h" 38 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h" 39 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h" 40 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h" 41 #include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h" 42 #include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h" 43 #include "llvm/DebugInfo/PDB/PDBSymbolUnknown.h" 44 #include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h" 45 #include "llvm/DebugInfo/PDB/PDBSymDumper.h" 46 #include <memory> 47 #include <utility> 48 49 #include <memory> 50 #include <utility> 51 52 using namespace llvm; 53 54 PDBSymbol::PDBSymbol(const IPDBSession &PDBSession, 55 std::unique_ptr<IPDBRawSymbol> Symbol) 56 : Session(PDBSession), RawSymbol(std::move(Symbol)) {} 57 58 PDBSymbol::~PDBSymbol() {} 59 60 #define FACTORY_SYMTAG_CASE(Tag, Type) \ 61 case PDB_SymType::Tag: \ 62 return std::unique_ptr<PDBSymbol>(new Type(PDBSession, std::move(Symbol))); 63 64 std::unique_ptr<PDBSymbol> 65 PDBSymbol::create(const IPDBSession &PDBSession, 66 std::unique_ptr<IPDBRawSymbol> Symbol) { 67 switch (Symbol->getSymTag()) { 68 FACTORY_SYMTAG_CASE(Exe, PDBSymbolExe) 69 FACTORY_SYMTAG_CASE(Compiland, PDBSymbolCompiland) 70 FACTORY_SYMTAG_CASE(CompilandDetails, PDBSymbolCompilandDetails) 71 FACTORY_SYMTAG_CASE(CompilandEnv, PDBSymbolCompilandEnv) 72 FACTORY_SYMTAG_CASE(Function, PDBSymbolFunc) 73 FACTORY_SYMTAG_CASE(Block, PDBSymbolBlock) 74 FACTORY_SYMTAG_CASE(Data, PDBSymbolData) 75 FACTORY_SYMTAG_CASE(Annotation, PDBSymbolAnnotation) 76 FACTORY_SYMTAG_CASE(Label, PDBSymbolLabel) 77 FACTORY_SYMTAG_CASE(PublicSymbol, PDBSymbolPublicSymbol) 78 FACTORY_SYMTAG_CASE(UDT, PDBSymbolTypeUDT) 79 FACTORY_SYMTAG_CASE(Enum, PDBSymbolTypeEnum) 80 FACTORY_SYMTAG_CASE(FunctionSig, PDBSymbolTypeFunctionSig) 81 FACTORY_SYMTAG_CASE(PointerType, PDBSymbolTypePointer) 82 FACTORY_SYMTAG_CASE(ArrayType, PDBSymbolTypeArray) 83 FACTORY_SYMTAG_CASE(BuiltinType, PDBSymbolTypeBuiltin) 84 FACTORY_SYMTAG_CASE(Typedef, PDBSymbolTypeTypedef) 85 FACTORY_SYMTAG_CASE(BaseClass, PDBSymbolTypeBaseClass) 86 FACTORY_SYMTAG_CASE(Friend, PDBSymbolTypeFriend) 87 FACTORY_SYMTAG_CASE(FunctionArg, PDBSymbolTypeFunctionArg) 88 FACTORY_SYMTAG_CASE(FuncDebugStart, PDBSymbolFuncDebugStart) 89 FACTORY_SYMTAG_CASE(FuncDebugEnd, PDBSymbolFuncDebugEnd) 90 FACTORY_SYMTAG_CASE(UsingNamespace, PDBSymbolUsingNamespace) 91 FACTORY_SYMTAG_CASE(VTableShape, PDBSymbolTypeVTableShape) 92 FACTORY_SYMTAG_CASE(VTable, PDBSymbolTypeVTable) 93 FACTORY_SYMTAG_CASE(Custom, PDBSymbolCustom) 94 FACTORY_SYMTAG_CASE(Thunk, PDBSymbolThunk) 95 FACTORY_SYMTAG_CASE(CustomType, PDBSymbolTypeCustom) 96 FACTORY_SYMTAG_CASE(ManagedType, PDBSymbolTypeManaged) 97 FACTORY_SYMTAG_CASE(Dimension, PDBSymbolTypeDimension) 98 default: 99 return std::unique_ptr<PDBSymbol>( 100 new PDBSymbolUnknown(PDBSession, std::move(Symbol))); 101 } 102 } 103 104 #define TRY_DUMP_TYPE(Type) \ 105 if (const Type *DerivedThis = dyn_cast<Type>(this)) \ 106 Dumper.dump(OS, Indent, *DerivedThis); 107 108 #define ELSE_TRY_DUMP_TYPE(Type, Dumper) else TRY_DUMP_TYPE(Type, Dumper) 109 110 void PDBSymbol::defaultDump(raw_ostream &OS, int Indent) const { 111 RawSymbol->dump(OS, Indent); 112 } 113 114 PDB_SymType PDBSymbol::getSymTag() const { return RawSymbol->getSymTag(); } 115 116 std::unique_ptr<IPDBEnumSymbols> PDBSymbol::findAllChildren() const { 117 return findAllChildren(PDB_SymType::None); 118 } 119 120 std::unique_ptr<IPDBEnumSymbols> 121 PDBSymbol::findAllChildren(PDB_SymType Type) const { 122 return RawSymbol->findChildren(Type); 123 } 124 125 std::unique_ptr<IPDBEnumSymbols> 126 PDBSymbol::findChildren(PDB_SymType Type, StringRef Name, 127 PDB_NameSearchFlags Flags) const { 128 return RawSymbol->findChildren(Type, Name, Flags); 129 } 130 131 std::unique_ptr<IPDBEnumSymbols> 132 PDBSymbol::findChildrenByRVA(PDB_SymType Type, StringRef Name, 133 PDB_NameSearchFlags Flags, uint32_t RVA) const { 134 return RawSymbol->findChildrenByRVA(Type, Name, Flags, RVA); 135 } 136 137 std::unique_ptr<IPDBEnumSymbols> 138 PDBSymbol::findInlineFramesByRVA(uint32_t RVA) const { 139 return RawSymbol->findInlineFramesByRVA(RVA); 140 } 141 142 std::unique_ptr<IPDBEnumSymbols> 143 PDBSymbol::getChildStats(TagStats &Stats) const { 144 std::unique_ptr<IPDBEnumSymbols> Result(findAllChildren()); 145 Stats.clear(); 146 while (auto Child = Result->getNext()) { 147 ++Stats[Child->getSymTag()]; 148 } 149 Result->reset(); 150 return Result; 151 } 152
