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ae65e281f3
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
156 lines
4.3 KiB
C++
156 lines
4.3 KiB
C++
//===- InputFile.h -------------------------------------------- *- C++ --*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVMPDBDUMP_INPUTFILE_H
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#define LLVM_TOOLS_LLVMPDBDUMP_INPUTFILE_H
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/PointerUnion.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/iterator.h"
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#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
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#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
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#include "llvm/DebugInfo/PDB/Native/ModuleDebugStream.h"
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#include "llvm/Object/Binary.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/Error.h"
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namespace llvm {
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namespace codeview {
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class LazyRandomTypeCollection;
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}
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namespace object {
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class COFFObjectFile;
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class SectionRef;
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} // namespace object
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namespace pdb {
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class InputFile;
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class LinePrinter;
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class PDBFile;
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class NativeSession;
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class SymbolGroupIterator;
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class SymbolGroup;
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class InputFile {
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InputFile();
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std::unique_ptr<NativeSession> PdbSession;
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object::OwningBinary<object::Binary> CoffObject;
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std::unique_ptr<MemoryBuffer> UnknownFile;
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PointerUnion3<PDBFile *, object::COFFObjectFile *, MemoryBuffer *> PdbOrObj;
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using TypeCollectionPtr = std::unique_ptr<codeview::LazyRandomTypeCollection>;
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TypeCollectionPtr Types;
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TypeCollectionPtr Ids;
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enum TypeCollectionKind { kTypes, kIds };
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codeview::LazyRandomTypeCollection &
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getOrCreateTypeCollection(TypeCollectionKind Kind);
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public:
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~InputFile();
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InputFile(InputFile &&Other) = default;
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static Expected<InputFile> open(StringRef Path,
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bool AllowUnknownFile = false);
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PDBFile &pdb();
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const PDBFile &pdb() const;
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object::COFFObjectFile &obj();
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const object::COFFObjectFile &obj() const;
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MemoryBuffer &unknown();
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const MemoryBuffer &unknown() const;
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StringRef getFilePath() const;
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bool hasTypes() const;
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bool hasIds() const;
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codeview::LazyRandomTypeCollection &types();
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codeview::LazyRandomTypeCollection &ids();
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iterator_range<SymbolGroupIterator> symbol_groups();
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SymbolGroupIterator symbol_groups_begin();
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SymbolGroupIterator symbol_groups_end();
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bool isPdb() const;
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bool isObj() const;
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bool isUnknown() const;
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};
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class SymbolGroup {
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friend class SymbolGroupIterator;
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public:
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explicit SymbolGroup(InputFile *File, uint32_t GroupIndex = 0);
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Expected<StringRef> getNameFromStringTable(uint32_t Offset) const;
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void formatFromFileName(LinePrinter &Printer, StringRef File,
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bool Append = false) const;
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void formatFromChecksumsOffset(LinePrinter &Printer, uint32_t Offset,
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bool Append = false) const;
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StringRef name() const;
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codeview::DebugSubsectionArray getDebugSubsections() const {
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return Subsections;
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}
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const ModuleDebugStreamRef &getPdbModuleStream() const;
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const InputFile &getFile() const { return *File; }
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InputFile &getFile() { return *File; }
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bool hasDebugStream() const { return DebugStream != nullptr; }
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private:
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void initializeForPdb(uint32_t Modi);
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void updatePdbModi(uint32_t Modi);
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void updateDebugS(const codeview::DebugSubsectionArray &SS);
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void rebuildChecksumMap();
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InputFile *File = nullptr;
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StringRef Name;
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codeview::DebugSubsectionArray Subsections;
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std::shared_ptr<ModuleDebugStreamRef> DebugStream;
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codeview::StringsAndChecksumsRef SC;
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StringMap<codeview::FileChecksumEntry> ChecksumsByFile;
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};
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class SymbolGroupIterator
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: public iterator_facade_base<SymbolGroupIterator,
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std::forward_iterator_tag, SymbolGroup> {
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public:
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SymbolGroupIterator();
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explicit SymbolGroupIterator(InputFile &File);
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SymbolGroupIterator(const SymbolGroupIterator &Other) = default;
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SymbolGroupIterator &operator=(const SymbolGroupIterator &R) = default;
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const SymbolGroup &operator*() const;
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SymbolGroup &operator*();
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bool operator==(const SymbolGroupIterator &R) const;
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SymbolGroupIterator &operator++();
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private:
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void scanToNextDebugS();
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bool isEnd() const;
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uint32_t Index = 0;
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Optional<object::section_iterator> SectionIter;
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SymbolGroup Value;
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};
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} // namespace pdb
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} // namespace llvm
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#endif
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