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1 //===- InfoStream.h - PDB Info Stream (Stream 1) Access ---------*- 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 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H
11 #define LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H
12 
13 #include "llvm/ADT/BitmaskEnum.h"
14 #include "llvm/ADT/StringMap.h"
15 #include "llvm/DebugInfo/CodeView/GUID.h"
16 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
17 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
18 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
19 #include "llvm/DebugInfo/PDB/PDBTypes.h"
20 
21 #include "llvm/Support/Endian.h"
22 #include "llvm/Support/Error.h"
23 
24 namespace llvm {
25 namespace pdb {
26 class InfoStreamBuilder;
27 class PDBFile;
28 
29 class InfoStream {
30   friend class InfoStreamBuilder;
31 
32 public:
33   InfoStream(std::unique_ptr<BinaryStream> Stream);
34 
35   Error reload();
36 
37   uint32_t getStreamSize() const;
38 
getHeader()39   const InfoStreamHeader *getHeader() const { return Header; }
40 
41   bool containsIdStream() const;
42   PdbRaw_ImplVer getVersion() const;
43   uint32_t getSignature() const;
44   uint32_t getAge() const;
45   codeview::GUID getGuid() const;
46   uint32_t getNamedStreamMapByteSize() const;
47 
48   PdbRaw_Features getFeatures() const;
49   ArrayRef<PdbRaw_FeatureSig> getFeatureSignatures() const;
50 
51   const NamedStreamMap &getNamedStreams() const;
52 
53   BinarySubstreamRef getNamedStreamsBuffer() const;
54 
55   Expected<uint32_t> getNamedStreamIndex(llvm::StringRef Name) const;
56   StringMap<uint32_t> named_streams() const;
57 
58 private:
59   std::unique_ptr<BinaryStream> Stream;
60 
61   const InfoStreamHeader *Header;
62 
63   BinarySubstreamRef SubNamedStreams;
64 
65   std::vector<PdbRaw_FeatureSig> FeatureSignatures;
66   PdbRaw_Features Features = PdbFeatureNone;
67 
68   uint32_t NamedStreamMapByteSize = 0;
69 
70   NamedStreamMap NamedStreams;
71 };
72 }
73 }
74 
75 #endif
76