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_DEBUGINFO_DWARFDEBUGABBREV_H 11 #define LLVM_DEBUGINFO_DWARFDEBUGABBREV_H 12 13 #include "DWARFAbbreviationDeclaration.h" 14 #include <list> 15 #include <map> 16 #include <vector> 17 18 namespace llvm { 19 20 class DWARFAbbreviationDeclarationSet { 21 uint32_t Offset; 22 /// Code of the first abbreviation, if all abbreviations in the set have 23 /// consecutive codes. UINT32_MAX otherwise. 24 uint32_t FirstAbbrCode; 25 std::vector<DWARFAbbreviationDeclaration> Decls; 26 27 public: 28 DWARFAbbreviationDeclarationSet(); 29 30 uint32_t getOffset() const { return Offset; } 31 void dump(raw_ostream &OS) const; 32 bool extract(DataExtractor Data, uint32_t *OffsetPtr); 33 34 const DWARFAbbreviationDeclaration * 35 getAbbreviationDeclaration(uint32_t AbbrCode) const; 36 37 private: 38 void clear(); 39 }; 40 41 class DWARFDebugAbbrev { 42 typedef std::map<uint64_t, DWARFAbbreviationDeclarationSet> 43 DWARFAbbreviationDeclarationSetMap; 44 45 DWARFAbbreviationDeclarationSetMap AbbrDeclSets; 46 mutable DWARFAbbreviationDeclarationSetMap::const_iterator PrevAbbrOffsetPos; 47 48 public: 49 DWARFDebugAbbrev(); 50 51 const DWARFAbbreviationDeclarationSet * 52 getAbbreviationDeclarationSet(uint64_t CUAbbrOffset) const; 53 54 void dump(raw_ostream &OS) const; 55 void extract(DataExtractor Data); 56 57 private: 58 void clear(); 59 }; 60 61 } 62 63 #endif 64
