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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- ModuleDebugStream.h - PDB Module Info Stream 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_MODULEDEBUGSTREAM_H |
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| 10 | #define LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H |
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| 11 | |||
| 12 | #include "llvm/ADT/iterator_range.h" |
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| 13 | #include "llvm/DebugInfo/CodeView/CVRecord.h" |
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| 14 | #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h" |
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| 15 | #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h" |
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| 16 | #include "llvm/Support/BinaryStreamRef.h" |
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| 17 | #include "llvm/Support/Error.h" |
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| 18 | #include <cstdint> |
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| 19 | #include <memory> |
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| 20 | |||
| 21 | namespace llvm { |
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| 22 | class BinaryStreamReader; |
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| 23 | namespace codeview { |
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| 24 | class DebugChecksumsSubsectionRef; |
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| 25 | } |
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| 26 | namespace msf { |
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| 27 | class MappedBlockStream; |
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| 28 | } |
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| 29 | namespace pdb { |
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| 30 | |||
| 31 | class ModuleDebugStreamRef { |
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| 32 | using DebugSubsectionIterator = codeview::DebugSubsectionArray::Iterator; |
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| 33 | |||
| 34 | public: |
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| 35 | ModuleDebugStreamRef(const DbiModuleDescriptor &Module, |
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| 36 | std::unique_ptr<msf::MappedBlockStream> Stream); |
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| 37 | ModuleDebugStreamRef(ModuleDebugStreamRef &&Other) = default; |
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| 38 | ModuleDebugStreamRef(const ModuleDebugStreamRef &Other) = default; |
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| 39 | ~ModuleDebugStreamRef(); |
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| 40 | |||
| 41 | Error reload(); |
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| 42 | |||
| 43 | uint32_t signature() const { return Signature; } |
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| 44 | |||
| 45 | iterator_range<codeview::CVSymbolArray::Iterator> |
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| 46 | symbols(bool *HadError) const; |
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| 47 | |||
| 48 | const codeview::CVSymbolArray &getSymbolArray() const { return SymbolArray; } |
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| 49 | const codeview::CVSymbolArray |
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| 50 | getSymbolArrayForScope(uint32_t ScopeBegin) const; |
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| 51 | |||
| 52 | BinarySubstreamRef getSymbolsSubstream() const; |
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| 53 | BinarySubstreamRef getC11LinesSubstream() const; |
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| 54 | BinarySubstreamRef getC13LinesSubstream() const; |
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| 55 | BinarySubstreamRef getGlobalRefsSubstream() const; |
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| 56 | |||
| 57 | ModuleDebugStreamRef &operator=(ModuleDebugStreamRef &&Other) = delete; |
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| 58 | |||
| 59 | codeview::CVSymbol readSymbolAtOffset(uint32_t Offset) const; |
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| 60 | |||
| 61 | iterator_range<DebugSubsectionIterator> subsections() const; |
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| 62 | codeview::DebugSubsectionArray getSubsectionsArray() const { |
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| 63 | return Subsections; |
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| 64 | } |
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| 65 | |||
| 66 | bool hasDebugSubsections() const; |
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| 67 | |||
| 68 | Error commit(); |
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| 69 | |||
| 70 | Expected<codeview::DebugChecksumsSubsectionRef> |
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| 71 | findChecksumsSubsection() const; |
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| 72 | |||
| 73 | private: |
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| 74 | Error reloadSerialize(BinaryStreamReader &Reader); |
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| 75 | |||
| 76 | DbiModuleDescriptor Mod; |
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| 77 | |||
| 78 | uint32_t Signature; |
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| 79 | |||
| 80 | std::shared_ptr<msf::MappedBlockStream> Stream; |
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| 81 | |||
| 82 | codeview::CVSymbolArray SymbolArray; |
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| 83 | |||
| 84 | BinarySubstreamRef SymbolsSubstream; |
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| 85 | BinarySubstreamRef C11LinesSubstream; |
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| 86 | BinarySubstreamRef C13LinesSubstream; |
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| 87 | BinarySubstreamRef GlobalRefsSubstream; |
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| 88 | |||
| 89 | codeview::DebugSubsectionArray Subsections; |
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| 90 | }; |
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| 91 | |||
| 92 | } // end namespace pdb |
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| 93 | } // end namespace llvm |
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| 94 | |||
| 95 | #endif // LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H |