1 //===- PDBStringTable.h - PDB String Table -----------------------*- 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 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBSTRINGTABLE_H
10 #define LLVM_DEBUGINFO_PDB_RAW_PDBSTRINGTABLE_H
11 
12 #include "llvm/ADT/ArrayRef.h"
13 #include "llvm/ADT/StringRef.h"
14 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
15 #include "llvm/Support/BinaryStreamArray.h"
16 #include "llvm/Support/BinaryStreamRef.h"
17 #include "llvm/Support/Endian.h"
18 #include "llvm/Support/Error.h"
19 #include <cstdint>
20 #include <vector>
21 
22 namespace llvm {
23 class BinaryStreamReader;
24 
25 namespace msf {
26 class MappedBlockStream;
27 }
28 
29 namespace pdb {
30 
31 struct PDBStringTableHeader;
32 
33 class PDBStringTable {
34 public:
35   Error reload(BinaryStreamReader &Reader);
36 
37   uint32_t getByteSize() const;
38   uint32_t getNameCount() const;
39   uint32_t getHashVersion() const;
40   uint32_t getSignature() const;
41 
42   Expected<StringRef> getStringForID(uint32_t ID) const;
43   Expected<uint32_t> getIDForString(StringRef Str) const;
44 
45   FixedStreamArray<support::ulittle32_t> name_ids() const;
46 
47   const codeview::DebugStringTableSubsectionRef &getStringTable() const;
48 
49 private:
50   Error readHeader(BinaryStreamReader &Reader);
51   Error readStrings(BinaryStreamReader &Reader);
52   Error readHashTable(BinaryStreamReader &Reader);
53   Error readEpilogue(BinaryStreamReader &Reader);
54 
55   const PDBStringTableHeader *Header = nullptr;
56   codeview::DebugStringTableSubsectionRef Strings;
57   FixedStreamArray<support::ulittle32_t> IDs;
58   uint32_t NameCount = 0;
59 };
60 
61 } // end namespace pdb
62 } // end namespace llvm
63 
64 #endif // LLVM_DEBUGINFO_PDB_RAW_STRINGTABLE_H
65