//===-- LVCodeViewVisitor.cpp ---------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This implements the LVCodeViewVisitor class. // //===----------------------------------------------------------------------===// #include "llvm/DebugInfo/LogicalView/Readers/LVCodeViewVisitor.h" #include "llvm/BinaryFormat/Magic.h" #include "llvm/DebugInfo/CodeView/EnumTables.h" #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h" #include "llvm/DebugInfo/CodeView/SymbolRecordHelpers.h" #include "llvm/DebugInfo/CodeView/TypeRecordHelpers.h" #include "llvm/DebugInfo/CodeView/TypeVisitorCallbackPipeline.h" #include "llvm/DebugInfo/LogicalView/Core/LVScope.h" #include "llvm/DebugInfo/LogicalView/Core/LVSymbol.h" #include "llvm/DebugInfo/LogicalView/Core/LVType.h" #include "llvm/DebugInfo/LogicalView/Readers/LVCodeViewReader.h" #include "llvm/DebugInfo/PDB/Native/DbiStream.h" #include "llvm/DebugInfo/PDB/Native/InputFile.h" #include "llvm/DebugInfo/PDB/Native/NativeSession.h" #include "llvm/DebugInfo/PDB/Native/PDBFile.h" #include "llvm/DebugInfo/PDB/Native/PDBStringTable.h" #include "llvm/DebugInfo/PDB/Native/RawError.h" #include "llvm/DebugInfo/PDB/Native/TpiStream.h" #include "llvm/DebugInfo/PDB/PDB.h" #include "llvm/Demangle/Demangle.h" #include "llvm/Object/COFF.h" #include "llvm/Support/Error.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/FormatAdapters.h" #include "llvm/Support/FormatVariadic.h" usingnamespacellvm; usingnamespacellvm::codeview; usingnamespacellvm::object; usingnamespacellvm::pdb; usingnamespacellvm::logicalview; #define DEBUG_TYPE … namespace llvm { namespace logicalview { static TypeIndex getTrueType(TypeIndex &TI) { … } static const EnumEntry<TypeLeafKind> LeafTypeNames[] = …; // Return the type name pointed by the type index. It uses the kind to query // the associated name for the record type. static StringRef getRecordName(LazyRandomTypeCollection &Types, TypeIndex TI) { … } } // namespace logicalview } // namespace llvm #undef DEBUG_TYPE #define DEBUG_TYPE … namespace llvm { namespace logicalview { // Keeps the type indexes with line information. LVLineRecords; namespace { class LVTypeRecords { … }; class LVForwardReferences { … }; // Namespace deduction. class LVNamespaceDeduction { … }; // Strings. class LVStringRecords { … }; } // namespace LVTypeKinds; LVSymbolKinds; // The following data keeps forward information, type records, names for // namespace deduction, strings records, line records. // It is shared by the type visitor, symbol visitor and logical visitor and // it is independent from the CodeViewReader. struct LVShared { … }; } // namespace logicalview } // namespace llvm void LVTypeRecords::add(uint32_t StreamIdx, TypeIndex TI, TypeLeafKind Kind, LVElement *Element) { … } void LVTypeRecords::add(uint32_t StreamIdx, TypeIndex TI, StringRef Name) { … } LVElement *LVTypeRecords::find(uint32_t StreamIdx, TypeIndex TI, bool Create) { … } TypeIndex LVTypeRecords::find(uint32_t StreamIdx, StringRef Name) { … } void LVStringRecords::addFilenames() { … } void LVStringRecords::addFilenames(LVScopeCompileUnit *Scope) { … } void LVNamespaceDeduction::add(StringRef String) { … } void LVNamespaceDeduction::init() { … } LVScope *LVNamespaceDeduction::get(LVStringRefs Components) { … } LVScope *LVNamespaceDeduction::get(StringRef ScopedName, bool CheckScope) { … } #undef DEBUG_TYPE #define DEBUG_TYPE … //===----------------------------------------------------------------------===// // TypeRecord traversal. //===----------------------------------------------------------------------===// void LVTypeVisitor::printTypeIndex(StringRef FieldName, TypeIndex TI, uint32_t StreamIdx) const { … } Error LVTypeVisitor::visitTypeBegin(CVType &Record) { … } Error LVTypeVisitor::visitTypeBegin(CVType &Record, TypeIndex TI) { … } Error LVTypeVisitor::visitUnknownType(CVType &Record) { … } Error LVTypeVisitor::visitMemberBegin(CVMemberRecord &Record) { … } Error LVTypeVisitor::visitMemberEnd(CVMemberRecord &Record) { … } Error LVTypeVisitor::visitUnknownMember(CVMemberRecord &Record) { … } // LF_BUILDINFO (TPI)/(IPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, BuildInfoRecord &Args) { … } // LF_CLASS, LF_STRUCTURE, LF_INTERFACE (TPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, ClassRecord &Class) { … } // LF_ENUM (TPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, EnumRecord &Enum) { … } // LF_FUNC_ID (TPI)/(IPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, FuncIdRecord &Func) { … } // LF_PROCEDURE (TPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, ProcedureRecord &Proc) { … } // LF_STRING_ID (TPI)/(IPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, StringIdRecord &String) { … } // LF_UDT_SRC_LINE (TPI)/(IPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, UdtSourceLineRecord &Line) { … } // LF_UNION (TPI) Error LVTypeVisitor::visitKnownRecord(CVType &Record, UnionRecord &Union) { … } #undef DEBUG_TYPE #define DEBUG_TYPE … //===----------------------------------------------------------------------===// // SymbolRecord traversal. //===----------------------------------------------------------------------===// void LVSymbolVisitorDelegate::printRelocatedField(StringRef Label, uint32_t RelocOffset, uint32_t Offset, StringRef *RelocSym) { … } void LVSymbolVisitorDelegate::getLinkageName(uint32_t RelocOffset, uint32_t Offset, StringRef *RelocSym) { … } StringRef LVSymbolVisitorDelegate::getFileNameForFileOffset(uint32_t FileOffset) { … } DebugStringTableSubsectionRef LVSymbolVisitorDelegate::getStringTable() { … } void LVSymbolVisitor::printLocalVariableAddrRange( const LocalVariableAddrRange &Range, uint32_t RelocationOffset) { … } void LVSymbolVisitor::printLocalVariableAddrGap( ArrayRef<LocalVariableAddrGap> Gaps) { … } void LVSymbolVisitor::printTypeIndex(StringRef FieldName, TypeIndex TI) const { … } Error LVSymbolVisitor::visitSymbolBegin(CVSymbol &Record) { … } Error LVSymbolVisitor::visitSymbolBegin(CVSymbol &Record, uint32_t Offset) { … } Error LVSymbolVisitor::visitSymbolEnd(CVSymbol &Record) { … } Error LVSymbolVisitor::visitUnknownSymbol(CVSymbol &Record) { … } // S_BLOCK32 Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, BlockSym &Block) { … } // S_BPREL32 Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, BPRelativeSym &Local) { … } // S_REGREL32 Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, RegRelativeSym &Local) { … } // S_BUILDINFO Error LVSymbolVisitor::visitKnownRecord(CVSymbol &CVR, BuildInfoSym &BuildInfo) { … } // S_COMPILE2 Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, Compile2Sym &Compile2) { … } // S_COMPILE3 Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, Compile3Sym &Compile3) { … } // S_CONSTANT, S_MANCONSTANT Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, ConstantSym &Constant) { … } // S_DEFRANGE_FRAMEPOINTER_REL_FULL_SCOPE Error LVSymbolVisitor::visitKnownRecord( CVSymbol &Record, DefRangeFramePointerRelFullScopeSym &DefRangeFramePointerRelFullScope) { … } // S_DEFRANGE_FRAMEPOINTER_REL Error LVSymbolVisitor::visitKnownRecord( CVSymbol &Record, DefRangeFramePointerRelSym &DefRangeFramePointerRel) { … } // S_DEFRANGE_REGISTER_REL Error LVSymbolVisitor::visitKnownRecord( CVSymbol &Record, DefRangeRegisterRelSym &DefRangeRegisterRel) { … } // S_DEFRANGE_REGISTER Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, DefRangeRegisterSym &DefRangeRegister) { … } // S_DEFRANGE_SUBFIELD_REGISTER Error LVSymbolVisitor::visitKnownRecord( CVSymbol &Record, DefRangeSubfieldRegisterSym &DefRangeSubfieldRegister) { … } // S_DEFRANGE_SUBFIELD Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, DefRangeSubfieldSym &DefRangeSubfield) { … } // S_DEFRANGE Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, DefRangeSym &DefRange) { … } // S_FRAMEPROC Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, FrameProcSym &FrameProc) { … } // S_GDATA32, S_LDATA32, S_LMANDATA, S_GMANDATA Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, DataSym &Data) { … } // S_INLINESITE Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, InlineSiteSym &InlineSite) { … } // S_LOCAL Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, LocalSym &Local) { … } // S_OBJNAME Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, ObjNameSym &ObjName) { … } // S_GPROC32, S_LPROC32, S_LPROC32_ID, S_GPROC32_ID Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, ProcSym &Proc) { … } // S_END Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, ScopeEndSym &ScopeEnd) { … } // S_THUNK32 Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, Thunk32Sym &Thunk) { … } // S_UDT, S_COBOLUDT Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, UDTSym &UDT) { … } // S_UNAMESPACE Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, UsingNamespaceSym &UN) { … } // S_ARMSWITCHTABLE Error LVSymbolVisitor::visitKnownRecord(CVSymbol &CVR, JumpTableSym &JumpTable) { … } // S_CALLERS, S_CALLEES, S_INLINEES Error LVSymbolVisitor::visitKnownRecord(CVSymbol &Record, CallerSym &Caller) { … } #undef DEBUG_TYPE #define DEBUG_TYPE … //===----------------------------------------------------------------------===// // Logical visitor. //===----------------------------------------------------------------------===// LVLogicalVisitor::LVLogicalVisitor(LVCodeViewReader *Reader, ScopedPrinter &W, InputFile &Input) : … { … } void LVLogicalVisitor::printTypeIndex(StringRef FieldName, TypeIndex TI, uint32_t StreamIdx) { … } void LVLogicalVisitor::printTypeBegin(CVType &Record, TypeIndex TI, LVElement *Element, uint32_t StreamIdx) { … } void LVLogicalVisitor::printTypeEnd(CVType &Record) { … } void LVLogicalVisitor::printMemberBegin(CVMemberRecord &Record, TypeIndex TI, LVElement *Element, uint32_t StreamIdx) { … } void LVLogicalVisitor::printMemberEnd(CVMemberRecord &Record) { … } Error LVLogicalVisitor::visitUnknownType(CVType &Record, TypeIndex TI) { … } // LF_ARGLIST (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, ArgListRecord &Args, TypeIndex TI, LVElement *Element) { … } // LF_ARRAY (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, ArrayRecord &AT, TypeIndex TI, LVElement *Element) { … } // LF_BITFIELD (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, BitFieldRecord &BF, TypeIndex TI, LVElement *Element) { … } // LF_BUILDINFO (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, BuildInfoRecord &BI, TypeIndex TI, LVElement *Element) { … } // LF_CLASS, LF_STRUCTURE, LF_INTERFACE (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, ClassRecord &Class, TypeIndex TI, LVElement *Element) { … } // LF_ENUM (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, EnumRecord &Enum, TypeIndex TI, LVElement *Element) { … } // LF_FIELDLIST (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, FieldListRecord &FieldList, TypeIndex TI, LVElement *Element) { … } // LF_FUNC_ID (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, FuncIdRecord &Func, TypeIndex TI, LVElement *Element) { … } // LF_LABEL (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, LabelRecord &LR, TypeIndex TI, LVElement *Element) { … } // LF_MFUNC_ID (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, MemberFuncIdRecord &Id, TypeIndex TI, LVElement *Element) { … } // LF_MFUNCTION (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, MemberFunctionRecord &MF, TypeIndex TI, LVElement *Element) { … } // LF_METHODLIST (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, MethodOverloadListRecord &Overloads, TypeIndex TI, LVElement *Element) { … } // LF_MODIFIER (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, ModifierRecord &Mod, TypeIndex TI, LVElement *Element) { … } // LF_POINTER (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, PointerRecord &Ptr, TypeIndex TI, LVElement *Element) { … } // LF_PROCEDURE (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, ProcedureRecord &Proc, TypeIndex TI, LVElement *Element) { … } // LF_UNION (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, UnionRecord &Union, TypeIndex TI, LVElement *Element) { … } // LF_TYPESERVER2 (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, TypeServer2Record &TS, TypeIndex TI, LVElement *Element) { … } // LF_VFTABLE (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, VFTableRecord &VFT, TypeIndex TI, LVElement *Element) { … } // LF_VTSHAPE (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, VFTableShapeRecord &Shape, TypeIndex TI, LVElement *Element) { … } // LF_SUBSTR_LIST (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, StringListRecord &Strings, TypeIndex TI, LVElement *Element) { … } // LF_STRING_ID (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, StringIdRecord &String, TypeIndex TI, LVElement *Element) { … } // LF_UDT_SRC_LINE (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, UdtSourceLineRecord &SourceLine, TypeIndex TI, LVElement *Element) { … } // LF_UDT_MOD_SRC_LINE (TPI)/(IPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, UdtModSourceLineRecord &ModSourceLine, TypeIndex TI, LVElement *Element) { … } // LF_PRECOMP (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, PrecompRecord &Precomp, TypeIndex TI, LVElement *Element) { … } // LF_ENDPRECOMP (TPI) Error LVLogicalVisitor::visitKnownRecord(CVType &Record, EndPrecompRecord &EndPrecomp, TypeIndex TI, LVElement *Element) { … } Error LVLogicalVisitor::visitUnknownMember(CVMemberRecord &Record, TypeIndex TI) { … } // LF_BCLASS, LF_BINTERFACE Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, BaseClassRecord &Base, TypeIndex TI, LVElement *Element) { … } // LF_MEMBER Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, DataMemberRecord &Field, TypeIndex TI, LVElement *Element) { … } // LF_ENUMERATE Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, EnumeratorRecord &Enum, TypeIndex TI, LVElement *Element) { … } // LF_INDEX Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, ListContinuationRecord &Cont, TypeIndex TI, LVElement *Element) { … } // LF_NESTTYPE Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, NestedTypeRecord &Nested, TypeIndex TI, LVElement *Element) { … } // LF_ONEMETHOD Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, OneMethodRecord &Method, TypeIndex TI, LVElement *Element) { … } // LF_METHOD Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, OverloadedMethodRecord &Method, TypeIndex TI, LVElement *Element) { … } // LF_STMEMBER Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, StaticDataMemberRecord &Field, TypeIndex TI, LVElement *Element) { … } // LF_VFUNCTAB Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, VFPtrRecord &VFTable, TypeIndex TI, LVElement *Element) { … } // LF_VBCLASS, LF_IVBCLASS Error LVLogicalVisitor::visitKnownMember(CVMemberRecord &Record, VirtualBaseClassRecord &Base, TypeIndex TI, LVElement *Element) { … } Error LVLogicalVisitor::visitMemberRecord(CVMemberRecord &Record, TypeVisitorCallbacks &Callbacks, TypeIndex TI, LVElement *Element) { … } Error LVLogicalVisitor::finishVisitation(CVType &Record, TypeIndex TI, LVElement *Element) { … } // Customized version of 'FieldListVisitHelper'. Error LVLogicalVisitor::visitFieldListMemberStream( TypeIndex TI, LVElement *Element, ArrayRef<uint8_t> FieldList) { … } void LVLogicalVisitor::addElement(LVScope *Scope, bool IsCompileUnit) { … } void LVLogicalVisitor::addElement(LVSymbol *Symbol) { … } void LVLogicalVisitor::addElement(LVType *Type) { … } LVElement *LVLogicalVisitor::createElement(TypeLeafKind Kind) { … } LVElement *LVLogicalVisitor::createElement(SymbolKind Kind) { … } LVElement *LVLogicalVisitor::createElement(TypeIndex TI, TypeLeafKind Kind) { … } void LVLogicalVisitor::createDataMember(CVMemberRecord &Record, LVScope *Parent, StringRef Name, TypeIndex TI, MemberAccess Access) { … } LVSymbol *LVLogicalVisitor::createParameter(LVElement *Element, StringRef Name, LVScope *Parent) { … } LVSymbol *LVLogicalVisitor::createParameter(TypeIndex TI, StringRef Name, LVScope *Parent) { … } LVType *LVLogicalVisitor::createBaseType(TypeIndex TI, StringRef TypeName) { … } LVType *LVLogicalVisitor::createPointerType(TypeIndex TI, StringRef TypeName) { … } void LVLogicalVisitor::createParents(StringRef ScopedName, LVElement *Element) { … } LVElement *LVLogicalVisitor::getElement(uint32_t StreamIdx, TypeIndex TI, LVScope *Parent) { … } void LVLogicalVisitor::processLines() { … } void LVLogicalVisitor::processNamespaces() { … } void LVLogicalVisitor::processFiles() { … } void LVLogicalVisitor::printRecords(raw_ostream &OS) const { … } Error LVLogicalVisitor::inlineSiteAnnotation(LVScope *AbstractFunction, LVScope *InlinedFunction, InlineSiteSym &InlineSite) { … }
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