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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- TpiStream.cpp - PDB Type Info (TPI) Stream 2 Access ------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |||
| 9 | #ifndef LLVM_DEBUGINFO_PDB_NATIVE_TPISTREAM_H |
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| 10 | #define LLVM_DEBUGINFO_PDB_NATIVE_TPISTREAM_H |
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| 11 | |||
| 12 | #include "llvm/DebugInfo/CodeView/CVRecord.h" |
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| 13 | #include "llvm/DebugInfo/PDB/Native/HashTable.h" |
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| 14 | #include "llvm/DebugInfo/PDB/Native/RawConstants.h" |
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| 15 | #include "llvm/Support/BinaryStreamArray.h" |
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| 16 | #include "llvm/Support/BinaryStreamRef.h" |
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| 17 | |||
| 18 | #include "llvm/Support/Error.h" |
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| 19 | |||
| 20 | namespace llvm { |
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| 21 | class BinaryStream; |
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| 22 | namespace codeview { |
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| 23 | class TypeIndex; |
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| 24 | struct TypeIndexOffset; |
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| 25 | class LazyRandomTypeCollection; |
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| 26 | } |
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| 27 | namespace msf { |
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| 28 | class MappedBlockStream; |
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| 29 | } |
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| 30 | namespace pdb { |
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| 31 | struct TpiStreamHeader; |
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| 32 | class PDBFile; |
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| 33 | |||
| 34 | class TpiStream { |
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| 35 | friend class TpiStreamBuilder; |
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| 36 | |||
| 37 | public: |
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| 38 | TpiStream(PDBFile &File, std::unique_ptr<msf::MappedBlockStream> Stream); |
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| 39 | ~TpiStream(); |
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| 40 | Error reload(); |
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| 41 | |||
| 42 | PdbRaw_TpiVer getTpiVersion() const; |
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| 43 | |||
| 44 | uint32_t TypeIndexBegin() const; |
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| 45 | uint32_t TypeIndexEnd() const; |
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| 46 | uint32_t getNumTypeRecords() const; |
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| 47 | uint16_t getTypeHashStreamIndex() const; |
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| 48 | uint16_t getTypeHashStreamAuxIndex() const; |
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| 49 | |||
| 50 | uint32_t getHashKeySize() const; |
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| 51 | uint32_t getNumHashBuckets() const; |
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| 52 | FixedStreamArray<support::ulittle32_t> getHashValues() const; |
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| 53 | FixedStreamArray<codeview::TypeIndexOffset> getTypeIndexOffsets() const; |
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| 54 | HashTable<support::ulittle32_t> &getHashAdjusters(); |
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| 55 | |||
| 56 | codeview::CVTypeRange types(bool *HadError) const; |
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| 57 | const codeview::CVTypeArray &typeArray() const { return TypeRecords; } |
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| 58 | |||
| 59 | codeview::LazyRandomTypeCollection &typeCollection() { return *Types; } |
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| 60 | |||
| 61 | Expected<codeview::TypeIndex> |
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| 62 | findFullDeclForForwardRef(codeview::TypeIndex ForwardRefTI) const; |
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| 63 | |||
| 64 | std::vector<codeview::TypeIndex> findRecordsByName(StringRef Name) const; |
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| 65 | |||
| 66 | codeview::CVType getType(codeview::TypeIndex Index); |
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| 67 | |||
| 68 | BinarySubstreamRef getTypeRecordsSubstream() const; |
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| 69 | |||
| 70 | Error commit(); |
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| 71 | |||
| 72 | void buildHashMap(); |
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| 73 | |||
| 74 | bool supportsTypeLookup() const; |
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| 75 | |||
| 76 | private: |
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| 77 | PDBFile &Pdb; |
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| 78 | std::unique_ptr<msf::MappedBlockStream> Stream; |
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| 79 | |||
| 80 | std::unique_ptr<codeview::LazyRandomTypeCollection> Types; |
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| 81 | |||
| 82 | BinarySubstreamRef TypeRecordsSubstream; |
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| 83 | |||
| 84 | codeview::CVTypeArray TypeRecords; |
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| 85 | |||
| 86 | std::unique_ptr<BinaryStream> HashStream; |
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| 87 | FixedStreamArray<support::ulittle32_t> HashValues; |
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| 88 | FixedStreamArray<codeview::TypeIndexOffset> TypeIndexOffsets; |
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| 89 | HashTable<support::ulittle32_t> HashAdjusters; |
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| 90 | |||
| 91 | std::vector<std::vector<codeview::TypeIndex>> HashMap; |
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| 92 | |||
| 93 | const TpiStreamHeader *Header; |
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| 94 | }; |
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| 95 | } |
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| 96 | } |
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| 97 | |||
| 98 | #endif |