LLVM  10.0.0svn
NativeExeSymbol.cpp
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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 
10 
11 #include "llvm/ADT/STLExtras.h"
19 
20 using namespace llvm;
21 using namespace llvm::pdb;
22 
25  if (DbiS)
26  return &DbiS.get();
27 
28  consumeError(DbiS.takeError());
29  return nullptr;
30 }
31 
33  : NativeRawSymbol(Session, PDB_SymType::Exe, SymbolId),
34  Dbi(getDbiStreamPtr(Session)) {}
35 
36 std::unique_ptr<IPDBEnumSymbols>
38  switch (Type) {
40  return std::unique_ptr<IPDBEnumSymbols>(new NativeEnumModules(Session));
41  break;
42  }
44  return Session.getSymbolCache().createTypeEnumerator(codeview::LF_ARRAY);
45  case PDB_SymType::Enum:
46  return Session.getSymbolCache().createTypeEnumerator(codeview::LF_ENUM);
48  return Session.getSymbolCache().createTypeEnumerator(codeview::LF_POINTER);
49  case PDB_SymType::UDT:
51  {codeview::LF_STRUCTURE, codeview::LF_CLASS, codeview::LF_UNION,
52  codeview::LF_INTERFACE});
54  return Session.getSymbolCache().createTypeEnumerator(codeview::LF_VTSHAPE);
57  {codeview::LF_PROCEDURE, codeview::LF_MFUNCTION});
59  return Session.getSymbolCache().createGlobalsEnumerator(codeview::S_UDT);
60 
61  default:
62  break;
63  }
64  return nullptr;
65 }
66 
68  auto IS = Session.getPDBFile().getPDBInfoStream();
69  if (IS)
70  return IS->getAge();
71  consumeError(IS.takeError());
72  return 0;
73 }
74 
76  return Session.getPDBFile().getFilePath();
77 }
78 
80  auto IS = Session.getPDBFile().getPDBInfoStream();
81  if (IS)
82  return IS->getGuid();
83  consumeError(IS.takeError());
84  return codeview::GUID{{0}};
85 }
86 
88  auto Dbi = Session.getPDBFile().getPDBDbiStream();
89  if (Dbi)
90  return Dbi->hasCTypes();
91  consumeError(Dbi.takeError());
92  return false;
93 }
94 
96  auto Dbi = Session.getPDBFile().getPDBDbiStream();
97  if (Dbi)
98  return !Dbi->isStripped();
99  consumeError(Dbi.takeError());
100  return false;
101 }
std::unique_ptr< IPDBEnumSymbols > createGlobalsEnumerator(codeview::SymbolKind Kind)
Definition: SymbolCache.cpp:91
std::string getSymbolsFileName() const override
This class represents lattice values for constants.
Definition: AllocatorList.h:23
std::unique_ptr< IPDBEnumSymbols > createTypeEnumerator(codeview::TypeLeafKind Kind)
Definition: SymbolCache.cpp:74
codeview::GUID getGuid() const override
Error takeError()
Take ownership of the stored error.
Definition: Error.h:552
static DbiStream * getDbiStreamPtr(NativeSession &Session)
bool isStripped() const
Definition: DbiStream.cpp:172
This represents the &#39;GUID&#39; type from windows.h.
Definition: GUID.h:21
Tagged union holding either a T or a Error.
Definition: yaml2obj.h:21
uint32_t getAge() const override
PDB_SymType
These values correspond to the SymTagEnum enumeration, and are documented here: https://msdn.microsoft.com/en-us/library/bkedss5f.aspx.
Definition: PDBTypes.h:241
bool hasCTypes() const override
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:45
std::unique_ptr< IPDBEnumSymbols > findChildren(PDB_SymType Type) const override
void consumeError(Error Err)
Consume a Error without doing anything.
Definition: Error.h:981
Expected< DbiStream & > getPDBDbiStream()
Definition: PDBFile.cpp:288
NativeExeSymbol(NativeSession &Session, SymIndexId Id)
reference get()
Returns a reference to the stored T value.
Definition: Error.h:532
StringRef getFilePath() const
Definition: PDBFile.cpp:48
bool hasPrivateSymbols() const override
SymbolCache & getSymbolCache()
Expected< InfoStream & > getPDBInfoStream()
Definition: PDBFile.cpp:275
bool hasCTypes() const
Definition: DbiStream.cpp:168