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_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DEBUGNAMESDWARFINDEX_H 10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_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 "Plugins/SymbolFile/DWARF/SymbolFileDWARF.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, SymbolFileDWARF &dwarf); 25 26 void Preload() override { m_fallback.Preload(); } 27 28 void 29 GetGlobalVariables(ConstString basename, 30 llvm::function_ref<bool(DWARFDIE die)> callback) override; 31 void 32 GetGlobalVariables(const RegularExpression ®ex, 33 llvm::function_ref<bool(DWARFDIE die)> callback) override; 34 void 35 GetGlobalVariables(DWARFUnit &cu, 36 llvm::function_ref<bool(DWARFDIE die)> callback) override; 37 void 38 GetObjCMethods(ConstString class_name, 39 llvm::function_ref<bool(DWARFDIE die)> callback) override {} 40 void GetCompleteObjCClass( 41 ConstString class_name, bool must_be_implementation, 42 llvm::function_ref<bool(DWARFDIE die)> callback) override; 43 void GetTypes(ConstString name, 44 llvm::function_ref<bool(DWARFDIE die)> callback) override; 45 void GetTypes(const DWARFDeclContext &context, 46 llvm::function_ref<bool(DWARFDIE die)> callback) override; 47 void GetNamespaces(ConstString name, 48 llvm::function_ref<bool(DWARFDIE die)> callback) override; 49 void GetFunctions(ConstString name, SymbolFileDWARF &dwarf, 50 const CompilerDeclContext &parent_decl_ctx, 51 uint32_t name_type_mask, 52 llvm::function_ref<bool(DWARFDIE die)> callback) override; 53 void GetFunctions(const RegularExpression ®ex, 54 llvm::function_ref<bool(DWARFDIE die)> callback) override; 55 56 void Dump(Stream &s) override; 57 58 private: 59 DebugNamesDWARFIndex(Module &module, 60 std::unique_ptr<llvm::DWARFDebugNames> debug_names_up, 61 DWARFDataExtractor debug_names_data, 62 DWARFDataExtractor debug_str_data, 63 SymbolFileDWARF &dwarf) 64 : DWARFIndex(module), m_debug_info(dwarf.DebugInfo()), 65 m_debug_names_data(debug_names_data), m_debug_str_data(debug_str_data), 66 m_debug_names_up(std::move(debug_names_up)), 67 m_fallback(module, dwarf, GetUnits(*m_debug_names_up)) {} 68 69 DWARFDebugInfo &m_debug_info; 70 71 // LLVM DWARFDebugNames will hold a non-owning reference to this data, so keep 72 // track of the ownership here. 73 DWARFDataExtractor m_debug_names_data; 74 DWARFDataExtractor m_debug_str_data; 75 76 using DebugNames = llvm::DWARFDebugNames; 77 std::unique_ptr<DebugNames> m_debug_names_up; 78 ManualDWARFIndex m_fallback; 79 80 llvm::Optional<DIERef> ToDIERef(const DebugNames::Entry &entry); 81 bool ProcessEntry(const DebugNames::Entry &entry, 82 llvm::function_ref<bool(DWARFDIE die)> callback, 83 llvm::StringRef name); 84 85 static void MaybeLogLookupError(llvm::Error error, 86 const DebugNames::NameIndex &ni, 87 llvm::StringRef name); 88 89 static llvm::DenseSet<dw_offset_t> GetUnits(const DebugNames &debug_names); 90 }; 91 92 } // namespace lldb_private 93 94 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DEBUGNAMESDWARFINDEX_H 95