aboutsummaryrefslogtreecommitdiff
path: root/include/llvm/DebugInfo/PDB/Native/GSIStreamBuilder.h
blob: a497956000283de4f161fa3fa03c08efb2ea9b4b (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
//===- GSIStreamBuilder.h - PDB Publics/Globals Stream Creation -*- 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_RAW_GSISTREAMBUILDER_H
#define LLVM_DEBUGINFO_PDB_RAW_GSISTREAMBUILDER_H

#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
#include "llvm/Support/BinaryByteStream.h"
#include "llvm/Support/BinaryItemStream.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"

namespace llvm {

template <> struct BinaryItemTraits<codeview::CVSymbol> {
  static size_t length(const codeview::CVSymbol &Item) {
    return Item.RecordData.size();
  }
  static ArrayRef<uint8_t> bytes(const codeview::CVSymbol &Item) {
    return Item.RecordData;
  }
};

namespace msf {
class MSFBuilder;
struct MSFLayout;
} // namespace msf
namespace pdb {
struct GSIHashStreamBuilder;

class GSIStreamBuilder {

public:
  explicit GSIStreamBuilder(msf::MSFBuilder &Msf);
  ~GSIStreamBuilder();

  GSIStreamBuilder(const GSIStreamBuilder &) = delete;
  GSIStreamBuilder &operator=(const GSIStreamBuilder &) = delete;

  Error finalizeMsfLayout();

  Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef Buffer);

  uint32_t getPublicsStreamIndex() const;
  uint32_t getGlobalsStreamIndex() const;
  uint32_t getRecordStreamIdx() const { return RecordStreamIdx; }

  void addPublicSymbol(const codeview::PublicSym32 &Pub);

  void addGlobalSymbol(const codeview::ProcRefSym &Sym);
  void addGlobalSymbol(const codeview::DataSym &Sym);
  void addGlobalSymbol(const codeview::ConstantSym &Sym);
  void addGlobalSymbol(const codeview::CVSymbol &Sym);

private:
  uint32_t calculatePublicsHashStreamSize() const;
  uint32_t calculateGlobalsHashStreamSize() const;
  Error commitSymbolRecordStream(WritableBinaryStreamRef Stream);
  Error commitPublicsHashStream(WritableBinaryStreamRef Stream);
  Error commitGlobalsHashStream(WritableBinaryStreamRef Stream);

  uint32_t RecordStreamIdx = kInvalidStreamIndex;
  msf::MSFBuilder &Msf;
  std::unique_ptr<GSIHashStreamBuilder> PSH;
  std::unique_ptr<GSIHashStreamBuilder> GSH;
};
} // namespace pdb
} // namespace llvm

#endif