forked from OSchip/llvm-project
215 lines
8.2 KiB
C++
215 lines
8.2 KiB
C++
//===- PDBSymbol.cpp - base class for user-facing symbol types --*- C++ -*-===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/DebugInfo/PDB/PDBSymbol.h"
|
|
#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
|
|
#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
|
|
#include "llvm/DebugInfo/PDB/IPDBSession.h"
|
|
#include "llvm/DebugInfo/PDB/PDBExtras.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolAnnotation.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolBlock.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolCustom.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolData.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolLabel.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeArray.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeCustom.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeDimension.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeFriend.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeManaged.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolUnknown.h"
|
|
#include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h"
|
|
#include "llvm/DebugInfo/PDB/PDBTypes.h"
|
|
#include <algorithm>
|
|
#include <memory>
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::pdb;
|
|
|
|
PDBSymbol::PDBSymbol(const IPDBSession &PDBSession) : Session(PDBSession) {}
|
|
|
|
PDBSymbol::PDBSymbol(PDBSymbol &&Other)
|
|
: Session(Other.Session), RawSymbol(std::move(Other.RawSymbol)) {}
|
|
|
|
PDBSymbol::~PDBSymbol() = default;
|
|
|
|
#define FACTORY_SYMTAG_CASE(Tag, Type) \
|
|
case PDB_SymType::Tag: \
|
|
return std::unique_ptr<PDBSymbol>(new Type(PDBSession));
|
|
|
|
std::unique_ptr<PDBSymbol>
|
|
PDBSymbol::createSymbol(const IPDBSession &PDBSession, PDB_SymType Tag) {
|
|
switch (Tag) {
|
|
FACTORY_SYMTAG_CASE(Exe, PDBSymbolExe)
|
|
FACTORY_SYMTAG_CASE(Compiland, PDBSymbolCompiland)
|
|
FACTORY_SYMTAG_CASE(CompilandDetails, PDBSymbolCompilandDetails)
|
|
FACTORY_SYMTAG_CASE(CompilandEnv, PDBSymbolCompilandEnv)
|
|
FACTORY_SYMTAG_CASE(Function, PDBSymbolFunc)
|
|
FACTORY_SYMTAG_CASE(Block, PDBSymbolBlock)
|
|
FACTORY_SYMTAG_CASE(Data, PDBSymbolData)
|
|
FACTORY_SYMTAG_CASE(Annotation, PDBSymbolAnnotation)
|
|
FACTORY_SYMTAG_CASE(Label, PDBSymbolLabel)
|
|
FACTORY_SYMTAG_CASE(PublicSymbol, PDBSymbolPublicSymbol)
|
|
FACTORY_SYMTAG_CASE(UDT, PDBSymbolTypeUDT)
|
|
FACTORY_SYMTAG_CASE(Enum, PDBSymbolTypeEnum)
|
|
FACTORY_SYMTAG_CASE(FunctionSig, PDBSymbolTypeFunctionSig)
|
|
FACTORY_SYMTAG_CASE(PointerType, PDBSymbolTypePointer)
|
|
FACTORY_SYMTAG_CASE(ArrayType, PDBSymbolTypeArray)
|
|
FACTORY_SYMTAG_CASE(BuiltinType, PDBSymbolTypeBuiltin)
|
|
FACTORY_SYMTAG_CASE(Typedef, PDBSymbolTypeTypedef)
|
|
FACTORY_SYMTAG_CASE(BaseClass, PDBSymbolTypeBaseClass)
|
|
FACTORY_SYMTAG_CASE(Friend, PDBSymbolTypeFriend)
|
|
FACTORY_SYMTAG_CASE(FunctionArg, PDBSymbolTypeFunctionArg)
|
|
FACTORY_SYMTAG_CASE(FuncDebugStart, PDBSymbolFuncDebugStart)
|
|
FACTORY_SYMTAG_CASE(FuncDebugEnd, PDBSymbolFuncDebugEnd)
|
|
FACTORY_SYMTAG_CASE(UsingNamespace, PDBSymbolUsingNamespace)
|
|
FACTORY_SYMTAG_CASE(VTableShape, PDBSymbolTypeVTableShape)
|
|
FACTORY_SYMTAG_CASE(VTable, PDBSymbolTypeVTable)
|
|
FACTORY_SYMTAG_CASE(Custom, PDBSymbolCustom)
|
|
FACTORY_SYMTAG_CASE(Thunk, PDBSymbolThunk)
|
|
FACTORY_SYMTAG_CASE(CustomType, PDBSymbolTypeCustom)
|
|
FACTORY_SYMTAG_CASE(ManagedType, PDBSymbolTypeManaged)
|
|
FACTORY_SYMTAG_CASE(Dimension, PDBSymbolTypeDimension)
|
|
default:
|
|
return std::unique_ptr<PDBSymbol>(new PDBSymbolUnknown(PDBSession));
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<PDBSymbol>
|
|
PDBSymbol::create(const IPDBSession &PDBSession,
|
|
std::unique_ptr<IPDBRawSymbol> RawSymbol) {
|
|
auto SymbolPtr = createSymbol(PDBSession, RawSymbol->getSymTag());
|
|
SymbolPtr->RawSymbol = RawSymbol.get();
|
|
SymbolPtr->OwnedRawSymbol = std::move(RawSymbol);
|
|
return SymbolPtr;
|
|
}
|
|
|
|
std::unique_ptr<PDBSymbol> PDBSymbol::create(const IPDBSession &PDBSession,
|
|
IPDBRawSymbol &RawSymbol) {
|
|
auto SymbolPtr = createSymbol(PDBSession, RawSymbol.getSymTag());
|
|
SymbolPtr->RawSymbol = &RawSymbol;
|
|
return SymbolPtr;
|
|
}
|
|
|
|
void PDBSymbol::defaultDump(raw_ostream &OS, int Indent,
|
|
PdbSymbolIdField ShowFlags,
|
|
PdbSymbolIdField RecurseFlags) const {
|
|
RawSymbol->dump(OS, Indent, ShowFlags, RecurseFlags);
|
|
}
|
|
|
|
void PDBSymbol::dumpProperties() const {
|
|
outs() << "\n";
|
|
defaultDump(outs(), 0, PdbSymbolIdField::All, PdbSymbolIdField::None);
|
|
outs().flush();
|
|
}
|
|
|
|
void PDBSymbol::dumpChildStats() const {
|
|
TagStats Stats;
|
|
getChildStats(Stats);
|
|
outs() << "\n";
|
|
for (auto &Stat : Stats) {
|
|
outs() << Stat.first << ": " << Stat.second << "\n";
|
|
}
|
|
outs().flush();
|
|
}
|
|
|
|
PDB_SymType PDBSymbol::getSymTag() const { return RawSymbol->getSymTag(); }
|
|
uint32_t PDBSymbol::getSymIndexId() const { return RawSymbol->getSymIndexId(); }
|
|
|
|
std::unique_ptr<IPDBEnumSymbols> PDBSymbol::findAllChildren() const {
|
|
return findAllChildren(PDB_SymType::None);
|
|
}
|
|
|
|
std::unique_ptr<IPDBEnumSymbols>
|
|
PDBSymbol::findAllChildren(PDB_SymType Type) const {
|
|
return RawSymbol->findChildren(Type);
|
|
}
|
|
|
|
std::unique_ptr<IPDBEnumSymbols>
|
|
PDBSymbol::findChildren(PDB_SymType Type, StringRef Name,
|
|
PDB_NameSearchFlags Flags) const {
|
|
return RawSymbol->findChildren(Type, Name, Flags);
|
|
}
|
|
|
|
std::unique_ptr<IPDBEnumSymbols>
|
|
PDBSymbol::findChildrenByRVA(PDB_SymType Type, StringRef Name,
|
|
PDB_NameSearchFlags Flags, uint32_t RVA) const {
|
|
return RawSymbol->findChildrenByRVA(Type, Name, Flags, RVA);
|
|
}
|
|
|
|
std::unique_ptr<IPDBEnumSymbols>
|
|
PDBSymbol::findInlineFramesByRVA(uint32_t RVA) const {
|
|
return RawSymbol->findInlineFramesByRVA(RVA);
|
|
}
|
|
|
|
std::unique_ptr<IPDBEnumSymbols>
|
|
PDBSymbol::getChildStats(TagStats &Stats) const {
|
|
std::unique_ptr<IPDBEnumSymbols> Result(findAllChildren());
|
|
if (!Result)
|
|
return nullptr;
|
|
Stats.clear();
|
|
while (auto Child = Result->getNext()) {
|
|
++Stats[Child->getSymTag()];
|
|
}
|
|
Result->reset();
|
|
return Result;
|
|
}
|
|
|
|
std::unique_ptr<PDBSymbol> PDBSymbol::getSymbolByIdHelper(uint32_t Id) const {
|
|
return Session.getSymbolById(Id);
|
|
}
|
|
|
|
void llvm::pdb::dumpSymbolIdField(raw_ostream &OS, StringRef Name,
|
|
SymIndexId Value, int Indent,
|
|
const IPDBSession &Session,
|
|
PdbSymbolIdField FieldId,
|
|
PdbSymbolIdField ShowFlags,
|
|
PdbSymbolIdField RecurseFlags) {
|
|
if ((FieldId & ShowFlags) == PdbSymbolIdField::None)
|
|
return;
|
|
|
|
OS << "\n";
|
|
OS.indent(Indent);
|
|
OS << Name << ": " << Value;
|
|
// Don't recurse unless the user requested it.
|
|
if ((FieldId & RecurseFlags) == PdbSymbolIdField::None)
|
|
return;
|
|
// And obviously don't recurse on the symbol itself.
|
|
if (FieldId == PdbSymbolIdField::SymIndexId)
|
|
return;
|
|
|
|
auto Child = Session.getSymbolById(Value);
|
|
|
|
// It could have been a placeholder symbol for a type we don't yet support,
|
|
// so just exit in that case.
|
|
if (!Child)
|
|
return;
|
|
|
|
// Don't recurse more than once, so pass PdbSymbolIdField::None) for the
|
|
// recurse flags.
|
|
Child->defaultDump(OS, Indent + 2, ShowFlags, PdbSymbolIdField::None);
|
|
}
|