1//===-- DWARFDebugAbbrev.h --------------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef LLVM_LIB_DEBUGINFO_DWARFDEBUGABBREV_H 11#define LLVM_LIB_DEBUGINFO_DWARFDEBUGABBREV_H 12 13#include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h" 14#include <map> 15#include <vector> 16 17namespace llvm { 18 19class DWARFAbbreviationDeclarationSet { 20 uint32_t Offset; 21 /// Code of the first abbreviation, if all abbreviations in the set have 22 /// consecutive codes. UINT32_MAX otherwise. 23 uint32_t FirstAbbrCode; 24 std::vector<DWARFAbbreviationDeclaration> Decls; 25 26public: 27 DWARFAbbreviationDeclarationSet(); 28 29 uint32_t getOffset() const { return Offset; } 30 void dump(raw_ostream &OS) const; 31 bool extract(DataExtractor Data, uint32_t *OffsetPtr); 32 33 const DWARFAbbreviationDeclaration * 34 getAbbreviationDeclaration(uint32_t AbbrCode) const; 35 36private: 37 void clear(); 38}; 39 40class DWARFDebugAbbrev { 41 typedef std::map<uint64_t, DWARFAbbreviationDeclarationSet> 42 DWARFAbbreviationDeclarationSetMap; 43 44 DWARFAbbreviationDeclarationSetMap AbbrDeclSets; 45 mutable DWARFAbbreviationDeclarationSetMap::const_iterator PrevAbbrOffsetPos; 46 47public: 48 DWARFDebugAbbrev(); 49 50 const DWARFAbbreviationDeclarationSet * 51 getAbbreviationDeclarationSet(uint64_t CUAbbrOffset) const; 52 53 void dump(raw_ostream &OS) const; 54 void extract(DataExtractor Data); 55 56private: 57 void clear(); 58}; 59 60} 61 62#endif 63