1//===- NativeExeSymbol.cpp - native impl for PDBSymbolExe -------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/DebugInfo/PDB/Native/NativeExeSymbol.h"
10
11#include "llvm/DebugInfo/CodeView/CodeView.h"
12#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
13#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
14#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
15#include "llvm/DebugInfo/PDB/Native/NativeEnumModules.h"
16#include "llvm/DebugInfo/PDB/Native/NativeSession.h"
17#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
18#include "llvm/DebugInfo/PDB/Native/SymbolCache.h"
19
20using namespace llvm;
21using namespace llvm::pdb;
22
23static DbiStream *getDbiStreamPtr(NativeSession &Session) {
24 Expected<DbiStream &> DbiS = Session.getPDBFile().getPDBDbiStream();
25 if (DbiS)
26 return &DbiS.get();
27
28 consumeError(Err: DbiS.takeError());
29 return nullptr;
30}
31
32NativeExeSymbol::NativeExeSymbol(NativeSession &Session, SymIndexId SymbolId)
33 : NativeRawSymbol(Session, PDB_SymType::Exe, SymbolId),
34 Dbi(getDbiStreamPtr(Session)) {}
35
36std::unique_ptr<IPDBEnumSymbols>
37NativeExeSymbol::findChildren(PDB_SymType Type) const {
38 switch (Type) {
39 case PDB_SymType::Compiland: {
40 return std::unique_ptr<IPDBEnumSymbols>(new NativeEnumModules(Session));
41 break;
42 }
43 case PDB_SymType::ArrayType:
44 return Session.getSymbolCache().createTypeEnumerator(Kind: codeview::LF_ARRAY);
45 case PDB_SymType::Enum:
46 return Session.getSymbolCache().createTypeEnumerator(Kind: codeview::LF_ENUM);
47 case PDB_SymType::PointerType:
48 return Session.getSymbolCache().createTypeEnumerator(Kind: codeview::LF_POINTER);
49 case PDB_SymType::UDT:
50 return Session.getSymbolCache().createTypeEnumerator(
51 Kinds: {codeview::LF_STRUCTURE, codeview::LF_CLASS, codeview::LF_UNION,
52 codeview::LF_INTERFACE});
53 case PDB_SymType::VTableShape:
54 return Session.getSymbolCache().createTypeEnumerator(Kind: codeview::LF_VTSHAPE);
55 case PDB_SymType::FunctionSig:
56 return Session.getSymbolCache().createTypeEnumerator(
57 Kinds: {codeview::LF_PROCEDURE, codeview::LF_MFUNCTION});
58 case PDB_SymType::Typedef:
59 return Session.getSymbolCache().createGlobalsEnumerator(Kind: codeview::S_UDT);
60
61 default:
62 break;
63 }
64 return nullptr;
65}
66
67uint32_t NativeExeSymbol::getAge() const {
68 auto IS = Session.getPDBFile().getPDBInfoStream();
69 if (IS)
70 return IS->getAge();
71 consumeError(Err: IS.takeError());
72 return 0;
73}
74
75std::string NativeExeSymbol::getSymbolsFileName() const {
76 return std::string(Session.getPDBFile().getFilePath());
77}
78
79codeview::GUID NativeExeSymbol::getGuid() const {
80 auto IS = Session.getPDBFile().getPDBInfoStream();
81 if (IS)
82 return IS->getGuid();
83 consumeError(Err: IS.takeError());
84 return codeview::GUID{.Guid: {0}};
85}
86
87bool NativeExeSymbol::hasCTypes() const {
88 auto Dbi = Session.getPDBFile().getPDBDbiStream();
89 if (Dbi)
90 return Dbi->hasCTypes();
91 consumeError(Err: Dbi.takeError());
92 return false;
93}
94
95bool NativeExeSymbol::hasPrivateSymbols() const {
96 auto Dbi = Session.getPDBFile().getPDBDbiStream();
97 if (Dbi)
98 return !Dbi->isStripped();
99 consumeError(Err: Dbi.takeError());
100 return false;
101}
102