aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm12/include/llvm/DebugInfo/PDB/Native/NativeSession.h
blob: 5033c581501e7141bd0f97be1091ec3ae7e9e908 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#pragma once

#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif

//===- NativeSession.h - Native implementation of IPDBSession ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEBUGINFO_PDB_NATIVE_NATIVESESSION_H
#define LLVM_DEBUGINFO_PDB_NATIVE_NATIVESESSION_H

#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/Native/NativeRawSymbol.h"
#include "llvm/DebugInfo/PDB/Native/SymbolCache.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Error.h"

namespace llvm {
class MemoryBuffer;
namespace pdb {
class PDBFile;
class NativeExeSymbol;

class NativeSession : public IPDBSession {
  struct PdbSearchOptions {
    StringRef ExePath;
    // FIXME: Add other PDB search options (_NT_SYMBOL_PATH, symsrv)
  };

public:
  NativeSession(std::unique_ptr<PDBFile> PdbFile,
                std::unique_ptr<BumpPtrAllocator> Allocator);
  ~NativeSession() override;

  static Error createFromPdb(std::unique_ptr<MemoryBuffer> MB,
                             std::unique_ptr<IPDBSession> &Session);
  static Error createFromPdbPath(StringRef PdbPath,
                                 std::unique_ptr<IPDBSession> &Session);
  static Error createFromExe(StringRef Path,
                             std::unique_ptr<IPDBSession> &Session);
  static Expected<std::string> searchForPdb(const PdbSearchOptions &Opts);

  uint64_t getLoadAddress() const override;
  bool setLoadAddress(uint64_t Address) override;
  std::unique_ptr<PDBSymbolExe> getGlobalScope() override;
  std::unique_ptr<PDBSymbol> getSymbolById(SymIndexId SymbolId) const override;

  bool addressForVA(uint64_t VA, uint32_t &Section,
                    uint32_t &Offset) const override;
  bool addressForRVA(uint32_t RVA, uint32_t &Section,
                     uint32_t &Offset) const override;

  std::unique_ptr<PDBSymbol> findSymbolByAddress(uint64_t Address,
                                                 PDB_SymType Type) override;
  std::unique_ptr<PDBSymbol> findSymbolByRVA(uint32_t RVA,
                                             PDB_SymType Type) override;
  std::unique_ptr<PDBSymbol> findSymbolBySectOffset(uint32_t Sect,
                                                    uint32_t Offset,
                                                    PDB_SymType Type) override;

  std::unique_ptr<IPDBEnumLineNumbers>
  findLineNumbers(const PDBSymbolCompiland &Compiland,
                  const IPDBSourceFile &File) const override;
  std::unique_ptr<IPDBEnumLineNumbers>
  findLineNumbersByAddress(uint64_t Address, uint32_t Length) const override;
  std::unique_ptr<IPDBEnumLineNumbers>
  findLineNumbersByRVA(uint32_t RVA, uint32_t Length) const override;
  std::unique_ptr<IPDBEnumLineNumbers>
  findLineNumbersBySectOffset(uint32_t Section, uint32_t Offset,
                              uint32_t Length) const override;

  std::unique_ptr<IPDBEnumSourceFiles>
  findSourceFiles(const PDBSymbolCompiland *Compiland, llvm::StringRef Pattern,
                  PDB_NameSearchFlags Flags) const override;
  std::unique_ptr<IPDBSourceFile>
  findOneSourceFile(const PDBSymbolCompiland *Compiland,
                    llvm::StringRef Pattern,
                    PDB_NameSearchFlags Flags) const override;
  std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>
  findCompilandsForSourceFile(llvm::StringRef Pattern,
                              PDB_NameSearchFlags Flags) const override;
  std::unique_ptr<PDBSymbolCompiland>
  findOneCompilandForSourceFile(llvm::StringRef Pattern,
                                PDB_NameSearchFlags Flags) const override;
  std::unique_ptr<IPDBEnumSourceFiles> getAllSourceFiles() const override;
  std::unique_ptr<IPDBEnumSourceFiles> getSourceFilesForCompiland(
      const PDBSymbolCompiland &Compiland) const override;
  std::unique_ptr<IPDBSourceFile>
  getSourceFileById(uint32_t FileId) const override;

  std::unique_ptr<IPDBEnumDataStreams> getDebugStreams() const override;

  std::unique_ptr<IPDBEnumTables> getEnumTables() const override;

  std::unique_ptr<IPDBEnumInjectedSources> getInjectedSources() const override;

  std::unique_ptr<IPDBEnumSectionContribs> getSectionContribs() const override;

  std::unique_ptr<IPDBEnumFrameData> getFrameData() const override;

  PDBFile &getPDBFile() { return *Pdb; }
  const PDBFile &getPDBFile() const { return *Pdb; }

  NativeExeSymbol &getNativeGlobalScope() const;
  SymbolCache &getSymbolCache() { return Cache; }
  const SymbolCache &getSymbolCache() const { return Cache; }
  uint32_t getRVAFromSectOffset(uint32_t Section, uint32_t Offset) const;
  uint64_t getVAFromSectOffset(uint32_t Section, uint32_t Offset) const;
  bool moduleIndexForVA(uint64_t VA, uint16_t &ModuleIndex) const; 
  bool moduleIndexForSectOffset(uint32_t Sect, uint32_t Offset, 
                                uint16_t &ModuleIndex) const; 
  Expected<ModuleDebugStreamRef> getModuleDebugStream(uint32_t Index) const; 

private:
  void initializeExeSymbol();
  void parseSectionContribs(); 

  std::unique_ptr<PDBFile> Pdb;
  std::unique_ptr<BumpPtrAllocator> Allocator;

  SymbolCache Cache;
  SymIndexId ExeSymbol = 0;
  uint64_t LoadAddress = 0;
 
  /// Map from virtual address to module index. 
  using IMap = 
      IntervalMap<uint64_t, uint16_t, 8, IntervalMapHalfOpenInfo<uint64_t>>; 
  IMap::Allocator IMapAllocator; 
  IMap AddrToModuleIndex; 
};
} // namespace pdb
} // namespace llvm

#endif

#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif