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