1 //===-- DebugNamesDWARFIndex.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 LLDB_DEBUGNAMESDWARFINDEX_H 11 #define LLDB_DEBUGNAMESDWARFINDEX_H 12 13 #include "Plugins/SymbolFile/DWARF/DWARFIndex.h" 14 #include "Plugins/SymbolFile/DWARF/LogChannelDWARF.h" 15 #include "Plugins/SymbolFile/DWARF/ManualDWARFIndex.h" 16 #include "lldb/Utility/ConstString.h" 17 #include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h" 18 19 namespace lldb_private { 20 class DebugNamesDWARFIndex : public DWARFIndex { 21 public: 22 static llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>> 23 Create(Module &module, DWARFDataExtractor debug_names, 24 DWARFDataExtractor debug_str, DWARFDebugInfo *debug_info); 25 Preload()26 void Preload() override { m_fallback.Preload(); } 27 28 void GetGlobalVariables(ConstString basename, DIEArray &offsets) override; 29 void GetGlobalVariables(const RegularExpression ®ex, 30 DIEArray &offsets) override; 31 void GetGlobalVariables(const DWARFUnit &cu, DIEArray &offsets) override; GetObjCMethods(ConstString class_name,DIEArray & offsets)32 void GetObjCMethods(ConstString class_name, DIEArray &offsets) override {} 33 void GetCompleteObjCClass(ConstString class_name, bool must_be_implementation, 34 DIEArray &offsets) override; 35 void GetTypes(ConstString name, DIEArray &offsets) override; 36 void GetTypes(const DWARFDeclContext &context, DIEArray &offsets) override; 37 void GetNamespaces(ConstString name, DIEArray &offsets) override; 38 void GetFunctions(ConstString name, DWARFDebugInfo &info, 39 const CompilerDeclContext &parent_decl_ctx, 40 uint32_t name_type_mask, 41 std::vector<DWARFDIE> &dies) override; 42 void GetFunctions(const RegularExpression ®ex, 43 DIEArray &offsets) override; 44 ReportInvalidDIEOffset(dw_offset_t offset,llvm::StringRef name)45 void ReportInvalidDIEOffset(dw_offset_t offset, 46 llvm::StringRef name) override {} 47 void Dump(Stream &s) override; 48 49 private: DebugNamesDWARFIndex(Module & module,std::unique_ptr<llvm::DWARFDebugNames> debug_names_up,DWARFDataExtractor debug_names_data,DWARFDataExtractor debug_str_data,DWARFDebugInfo & debug_info)50 DebugNamesDWARFIndex(Module &module, 51 std::unique_ptr<llvm::DWARFDebugNames> debug_names_up, 52 DWARFDataExtractor debug_names_data, 53 DWARFDataExtractor debug_str_data, 54 DWARFDebugInfo &debug_info) 55 : DWARFIndex(module), m_debug_info(debug_info), 56 m_debug_names_data(debug_names_data), m_debug_str_data(debug_str_data), 57 m_debug_names_up(std::move(debug_names_up)), 58 m_fallback(module, &debug_info, GetUnits(*m_debug_names_up)) {} 59 60 DWARFDebugInfo &m_debug_info; 61 62 // LLVM DWARFDebugNames will hold a non-owning reference to this data, so keep 63 // track of the ownership here. 64 DWARFDataExtractor m_debug_names_data; 65 DWARFDataExtractor m_debug_str_data; 66 67 using DebugNames = llvm::DWARFDebugNames; 68 std::unique_ptr<DebugNames> m_debug_names_up; 69 ManualDWARFIndex m_fallback; 70 71 DIERef ToDIERef(const DebugNames::Entry &entry); 72 void Append(const DebugNames::Entry &entry, DIEArray &offsets); 73 74 static void MaybeLogLookupError(llvm::Error error, 75 const DebugNames::NameIndex &ni, 76 llvm::StringRef name); 77 78 static llvm::DenseSet<dw_offset_t> GetUnits(const DebugNames &debug_names); 79 }; 80 81 } // namespace lldb_private 82 83 #endif // LLDB_DEBUGNAMESDWARFINDEX_H 84