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144e4a2f00
This patch adds support for round-tripping DWARF debug abbreviations through the obj<->yaml tools. llvm-svn: 288955
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
//===-- DWARFDebugAbbrev.h --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_DEBUGINFO_DWARFDEBUGABBREV_H
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#define LLVM_LIB_DEBUGINFO_DWARFDEBUGABBREV_H
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#include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
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#include <map>
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#include <vector>
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namespace llvm {
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class DWARFAbbreviationDeclarationSet {
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uint32_t Offset;
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/// Code of the first abbreviation, if all abbreviations in the set have
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/// consecutive codes. UINT32_MAX otherwise.
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uint32_t FirstAbbrCode;
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std::vector<DWARFAbbreviationDeclaration> Decls;
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typedef std::vector<DWARFAbbreviationDeclaration>::const_iterator
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const_iterator;
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public:
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DWARFAbbreviationDeclarationSet();
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uint32_t getOffset() const { return Offset; }
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void dump(raw_ostream &OS) const;
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bool extract(DataExtractor Data, uint32_t *OffsetPtr);
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const DWARFAbbreviationDeclaration *
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getAbbreviationDeclaration(uint32_t AbbrCode) const;
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const_iterator begin() const {
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return Decls.begin();
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}
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const_iterator end() const {
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return Decls.end();
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}
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private:
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void clear();
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};
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class DWARFDebugAbbrev {
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typedef std::map<uint64_t, DWARFAbbreviationDeclarationSet>
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DWARFAbbreviationDeclarationSetMap;
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DWARFAbbreviationDeclarationSetMap AbbrDeclSets;
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mutable DWARFAbbreviationDeclarationSetMap::const_iterator PrevAbbrOffsetPos;
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public:
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DWARFDebugAbbrev();
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const DWARFAbbreviationDeclarationSet *
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getAbbreviationDeclarationSet(uint64_t CUAbbrOffset) const;
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void dump(raw_ostream &OS) const;
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void extract(DataExtractor Data);
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DWARFAbbreviationDeclarationSetMap::const_iterator begin() const {
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return AbbrDeclSets.begin();
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}
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DWARFAbbreviationDeclarationSetMap::const_iterator end() const {
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return AbbrDeclSets.end();
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}
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private:
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void clear();
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};
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}
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#endif
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