1 //===-- DebugNamesDWARFIndex.h ---------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_DEBUGNAMESDWARFINDEX_H 10 #define LLDB_DEBUGNAMESDWARFINDEX_H 11 12 #include "Plugins/SymbolFile/DWARF/DWARFIndex.h" 13 #include "Plugins/SymbolFile/DWARF/LogChannelDWARF.h" 14 #include "Plugins/SymbolFile/DWARF/ManualDWARFIndex.h" 15 #include "lldb/Utility/ConstString.h" 16 #include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h" 17 18 namespace lldb_private { 19 class DebugNamesDWARFIndex : public DWARFIndex { 20 public: 21 static llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>> 22 Create(Module &module, DWARFDataExtractor debug_names, 23 DWARFDataExtractor debug_str, DWARFDebugInfo *debug_info); 24 25 void Preload() override { m_fallback.Preload(); } 26 27 void GetGlobalVariables(ConstString basename, DIEArray &offsets) override; 28 void GetGlobalVariables(const RegularExpression ®ex, 29 DIEArray &offsets) override; 30 void GetGlobalVariables(const DWARFUnit &cu, DIEArray &offsets) override; 31 void GetObjCMethods(ConstString class_name, DIEArray &offsets) override {} 32 void GetCompleteObjCClass(ConstString class_name, bool must_be_implementation, 33 DIEArray &offsets) override; 34 void GetTypes(ConstString name, DIEArray &offsets) override; 35 void GetTypes(const DWARFDeclContext &context, DIEArray &offsets) override; 36 void GetNamespaces(ConstString name, DIEArray &offsets) override; 37 void GetFunctions(ConstString name, SymbolFileDWARF &dwarf, 38 const CompilerDeclContext &parent_decl_ctx, 39 uint32_t name_type_mask, 40 std::vector<DWARFDIE> &dies) override; 41 void GetFunctions(const RegularExpression ®ex, 42 DIEArray &offsets) override; 43 44 void ReportInvalidDIERef(const DIERef &ref, llvm::StringRef name) override {} 45 void Dump(Stream &s) override; 46 47 private: 48 DebugNamesDWARFIndex(Module &module, 49 std::unique_ptr<llvm::DWARFDebugNames> debug_names_up, 50 DWARFDataExtractor debug_names_data, 51 DWARFDataExtractor debug_str_data, 52 DWARFDebugInfo &debug_info) 53 : DWARFIndex(module), m_debug_info(debug_info), 54 m_debug_names_data(debug_names_data), m_debug_str_data(debug_str_data), 55 m_debug_names_up(std::move(debug_names_up)), 56 m_fallback(module, &debug_info, GetUnits(*m_debug_names_up)) {} 57 58 DWARFDebugInfo &m_debug_info; 59 60 // LLVM DWARFDebugNames will hold a non-owning reference to this data, so keep 61 // track of the ownership here. 62 DWARFDataExtractor m_debug_names_data; 63 DWARFDataExtractor m_debug_str_data; 64 65 using DebugNames = llvm::DWARFDebugNames; 66 std::unique_ptr<DebugNames> m_debug_names_up; 67 ManualDWARFIndex m_fallback; 68 69 llvm::Optional<DIERef> ToDIERef(const DebugNames::Entry &entry); 70 void Append(const DebugNames::Entry &entry, DIEArray &offsets); 71 72 static void MaybeLogLookupError(llvm::Error error, 73 const DebugNames::NameIndex &ni, 74 llvm::StringRef name); 75 76 static llvm::DenseSet<dw_offset_t> GetUnits(const DebugNames &debug_names); 77 }; 78 79 } // namespace lldb_private 80 81 #endif // LLDB_DEBUGNAMESDWARFINDEX_H 82