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1 //===- PublicsStream.h - PDB Public Symbol Stream -------- ------*- 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_PUBLICSSTREAM_H
11 #define LLVM_DEBUGINFO_PDB_RAW_PUBLICSSTREAM_H
12 
13 #include "llvm/DebugInfo/CodeView/StreamArray.h"
14 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
15 #include "llvm/DebugInfo/PDB/PDBTypes.h"
16 #include "llvm/DebugInfo/PDB/Raw/MappedBlockStream.h"
17 #include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
18 #include "llvm/DebugInfo/PDB/Raw/RawTypes.h"
19 
20 #include "llvm/Support/Error.h"
21 
22 namespace llvm {
23 namespace pdb {
24 class DbiStream;
25 class PDBFile;
26 
27 class PublicsStream {
28   struct GSIHashHeader;
29   struct HeaderInfo;
30 
31 public:
32   PublicsStream(PDBFile &File, std::unique_ptr<MappedBlockStream> Stream);
33   ~PublicsStream();
34   Error reload();
35 
36   uint32_t getSymHash() const;
37   uint32_t getAddrMap() const;
getNumBuckets()38   uint32_t getNumBuckets() const { return NumBuckets; }
39   iterator_range<codeview::CVSymbolArray::Iterator>
40   getSymbols(bool *HadError) const;
getHashBuckets()41   codeview::FixedStreamArray<support::ulittle32_t> getHashBuckets() const {
42     return HashBuckets;
43   }
getAddressMap()44   codeview::FixedStreamArray<support::ulittle32_t> getAddressMap() const {
45     return AddressMap;
46   }
getThunkMap()47   codeview::FixedStreamArray<support::ulittle32_t> getThunkMap() const {
48     return ThunkMap;
49   }
getSectionOffsets()50   codeview::FixedStreamArray<SectionOffset> getSectionOffsets() const {
51     return SectionOffsets;
52   }
53 
54   Error commit();
55 
56 private:
57   PDBFile &Pdb;
58 
59   std::unique_ptr<MappedBlockStream> Stream;
60   uint32_t NumBuckets = 0;
61   ArrayRef<uint8_t> Bitmap;
62   codeview::FixedStreamArray<PSHashRecord> HashRecords;
63   codeview::FixedStreamArray<support::ulittle32_t> HashBuckets;
64   codeview::FixedStreamArray<support::ulittle32_t> AddressMap;
65   codeview::FixedStreamArray<support::ulittle32_t> ThunkMap;
66   codeview::FixedStreamArray<SectionOffset> SectionOffsets;
67 
68   const HeaderInfo *Header;
69   const GSIHashHeader *HashHdr;
70 };
71 }
72 }
73 
74 #endif
75