contrib/libs/llvm12/lib/DebugInfo/PDB/Native/DbiModuleDescriptor.cpp


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

//===- DbiModuleDescriptor.cpp - PDB module information -------------------===// 
// 
// 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 
// 
//===----------------------------------------------------------------------===// 
 
#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h" 
#include "llvm/DebugInfo/PDB/Native/RawTypes.h" 
#include "llvm/Support/BinaryStreamReader.h" 
#include "llvm/Support/Endian.h" 
#include "llvm/Support/Error.h" 
#include "llvm/Support/MathExtras.h" 
#include <cstdint> 
 
using namespace llvm; 
using namespace llvm::pdb; 
using namespace llvm::support; 
 
Error DbiModuleDescriptor::initialize(BinaryStreamRef Stream, 
                                      DbiModuleDescriptor &Info) { 
  BinaryStreamReader Reader(Stream); 
  if (auto EC = Reader.readObject(Info.Layout)) 
    return EC; 
 
  if (auto EC = Reader.readCString(Info.ModuleName)) 
    return EC; 
 
  if (auto EC = Reader.readCString(Info.ObjFileName)) 
    return EC; 
  return Error::success(); 
} 
 
bool DbiModuleDescriptor::hasECInfo() const { 
  return (Layout->Flags & ModInfoFlags::HasECFlagMask) != 0; 
} 
 
uint16_t DbiModuleDescriptor::getTypeServerIndex() const { 
  return (Layout->Flags & ModInfoFlags::TypeServerIndexMask) >> 
         ModInfoFlags::TypeServerIndexShift; 
} 
 
const SectionContrib &DbiModuleDescriptor::getSectionContrib() const { 
  return Layout->SC; 
} 
 
uint16_t DbiModuleDescriptor::getModuleStreamIndex() const { 
  return Layout->ModDiStream; 
} 
 
uint32_t DbiModuleDescriptor::getSymbolDebugInfoByteSize() const { 
  return Layout->SymBytes; 
} 
 
uint32_t DbiModuleDescriptor::getC11LineInfoByteSize() const { 
  return Layout->C11Bytes; 
} 
 
uint32_t DbiModuleDescriptor::getC13LineInfoByteSize() const { 
  return Layout->C13Bytes; 
} 
 
uint32_t DbiModuleDescriptor::getNumberOfFiles() const { 
  return Layout->NumFiles; 
} 
 
uint32_t DbiModuleDescriptor::getSourceFileNameIndex() const { 
  return Layout->SrcFileNameNI; 
} 
 
uint32_t DbiModuleDescriptor::getPdbFilePathNameIndex() const { 
  return Layout->PdbFilePathNI; 
} 
 
StringRef DbiModuleDescriptor::getModuleName() const { return ModuleName; } 
 
StringRef DbiModuleDescriptor::getObjFileName() const { return ObjFileName; } 
 
uint32_t DbiModuleDescriptor::getRecordLength() const { 
  uint32_t M = ModuleName.str().size() + 1; 
  uint32_t O = ObjFileName.str().size() + 1; 
  uint32_t Size = sizeof(ModuleInfoHeader) + M + O; 
  Size = alignTo(Size, 4); 
  return Size; 
}