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MFV r329766: 8962 zdb should work on non-idle pools
[FreeBSD/FreeBSD.git] / contrib / llvm / include / llvm / DebugInfo / PDB / Native / DbiStreamBuilder.h
1 //===- DbiStreamBuilder.h - PDB Dbi Stream Creation -------------*- 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_PDBDBISTREAMBUILDER_H
11 #define LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAMBUILDER_H
12
13 #include "llvm/ADT/Optional.h"
14 #include "llvm/ADT/StringSet.h"
15 #include "llvm/Support/Error.h"
16
17 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
18 #include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
19 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
20 #include "llvm/DebugInfo/PDB/PDBTypes.h"
21 #include "llvm/Support/BinaryByteStream.h"
22 #include "llvm/Support/BinaryStreamReader.h"
23 #include "llvm/Support/Endian.h"
24
25 namespace llvm {
26 namespace msf {
27 class MSFBuilder;
28 }
29 namespace object {
30 struct coff_section;
31 }
32 namespace pdb {
33 class DbiStream;
34 struct DbiStreamHeader;
35 class DbiModuleDescriptorBuilder;
36 class PDBFile;
37
38 class DbiStreamBuilder {
39 public:
40   DbiStreamBuilder(msf::MSFBuilder &Msf);
41   ~DbiStreamBuilder();
42
43   DbiStreamBuilder(const DbiStreamBuilder &) = delete;
44   DbiStreamBuilder &operator=(const DbiStreamBuilder &) = delete;
45
46   void setVersionHeader(PdbRaw_DbiVer V);
47   void setAge(uint32_t A);
48   void setBuildNumber(uint16_t B);
49   void setPdbDllVersion(uint16_t V);
50   void setPdbDllRbld(uint16_t R);
51   void setFlags(uint16_t F);
52   void setMachineType(PDB_Machine M);
53   void setSectionMap(ArrayRef<SecMapEntry> SecMap);
54
55   // Add given bytes as a new stream.
56   Error addDbgStream(pdb::DbgHeaderType Type, ArrayRef<uint8_t> Data);
57
58   uint32_t addECName(StringRef Name);
59
60   uint32_t calculateSerializedLength() const;
61
62   void setGlobalsStreamIndex(uint32_t Index);
63   void setPublicsStreamIndex(uint32_t Index);
64   void setSymbolRecordStreamIndex(uint32_t Index);
65
66   Expected<DbiModuleDescriptorBuilder &> addModuleInfo(StringRef ModuleName);
67   Error addModuleSourceFile(DbiModuleDescriptorBuilder &Module, StringRef File);
68   Expected<uint32_t> getSourceFileNameIndex(StringRef FileName);
69
70   Error finalizeMsfLayout();
71
72   Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef MsfBuffer);
73
74   void addSectionContrib(const SectionContrib &SC) {
75     SectionContribs.emplace_back(SC);
76   }
77
78   // A helper function to create a Section Map from a COFF section header.
79   static std::vector<SecMapEntry>
80   createSectionMap(ArrayRef<llvm::object::coff_section> SecHdrs);
81
82 private:
83   struct DebugStream {
84     ArrayRef<uint8_t> Data;
85     uint16_t StreamNumber = kInvalidStreamIndex;
86   };
87
88   Error finalize();
89   uint32_t calculateModiSubstreamSize() const;
90   uint32_t calculateNamesOffset() const;
91   uint32_t calculateSectionContribsStreamSize() const;
92   uint32_t calculateSectionMapStreamSize() const;
93   uint32_t calculateFileInfoSubstreamSize() const;
94   uint32_t calculateNamesBufferSize() const;
95   uint32_t calculateDbgStreamsSize() const;
96
97   Error generateFileInfoSubstream();
98
99   msf::MSFBuilder &Msf;
100   BumpPtrAllocator &Allocator;
101
102   Optional<PdbRaw_DbiVer> VerHeader;
103   uint32_t Age;
104   uint16_t BuildNumber;
105   uint16_t PdbDllVersion;
106   uint16_t PdbDllRbld;
107   uint16_t Flags;
108   PDB_Machine MachineType;
109   uint32_t GlobalsStreamIndex = kInvalidStreamIndex;
110   uint32_t PublicsStreamIndex = kInvalidStreamIndex;
111   uint32_t SymRecordStreamIndex = kInvalidStreamIndex;
112
113   const DbiStreamHeader *Header;
114
115   std::vector<std::unique_ptr<DbiModuleDescriptorBuilder>> ModiList;
116
117   StringMap<uint32_t> SourceFileNames;
118
119   PDBStringTableBuilder ECNamesBuilder;
120   WritableBinaryStreamRef NamesBuffer;
121   MutableBinaryByteStream FileInfoBuffer;
122   std::vector<SectionContrib> SectionContribs;
123   ArrayRef<SecMapEntry> SectionMap;
124   llvm::SmallVector<DebugStream, (int)DbgHeaderType::Max> DbgStreams;
125 };
126 }
127 }
128
129 #endif