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Editing: DWARFDebugAbbrev.h
//===- DWARFDebugAbbrev.h ---------------------------------------*- C++ -*-===// // // 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 // //===----------------------------------------------------------------------===// #ifndef LLVM_DEBUGINFO_DWARF_DWARFDEBUGABBREV_H #define LLVM_DEBUGINFO_DWARF_DWARFDEBUGABBREV_H #include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h" #include "llvm/Support/DataExtractor.h" #include <cstdint> #include <map> #include <vector> namespace llvm { class raw_ostream; class DWARFAbbreviationDeclarationSet { uint64_t Offset; /// Code of the first abbreviation, if all abbreviations in the set have /// consecutive codes. UINT32_MAX otherwise. uint32_t FirstAbbrCode; std::vector<DWARFAbbreviationDeclaration> Decls; using const_iterator = std::vector<DWARFAbbreviationDeclaration>::const_iterator; public: DWARFAbbreviationDeclarationSet(); uint64_t getOffset() const { return Offset; } void dump(raw_ostream &OS) const; Error extract(DataExtractor Data, uint64_t *OffsetPtr); const DWARFAbbreviationDeclaration * getAbbreviationDeclaration(uint32_t AbbrCode) const; const_iterator begin() const { return Decls.begin(); } const_iterator end() const { return Decls.end(); } std::string getCodeRange() const; uint32_t getFirstAbbrCode() const { return FirstAbbrCode; } private: void clear(); }; class DWARFDebugAbbrev { using DWARFAbbreviationDeclarationSetMap = std::map<uint64_t, DWARFAbbreviationDeclarationSet>; mutable DWARFAbbreviationDeclarationSetMap AbbrDeclSets; mutable DWARFAbbreviationDeclarationSetMap::const_iterator PrevAbbrOffsetPos; mutable std::optional<DataExtractor> Data; public: DWARFDebugAbbrev(DataExtractor Data); Expected<const DWARFAbbreviationDeclarationSet *> getAbbreviationDeclarationSet(uint64_t CUAbbrOffset) const; void dump(raw_ostream &OS) const; Error parse() const; DWARFAbbreviationDeclarationSetMap::const_iterator begin() const { assert(!Data && "Must call parse before iterating over DWARFDebugAbbrev"); return AbbrDeclSets.begin(); } DWARFAbbreviationDeclarationSetMap::const_iterator end() const { return AbbrDeclSets.end(); } }; } // end namespace llvm #endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGABBREV_H
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