1 //===-- DWARFContext.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_DWARFCONTEXT_H 10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFCONTEXT_H 11 12 #include "DWARFDataExtractor.h" 13 #include "lldb/Core/Section.h" 14 #include "llvm/DebugInfo/DWARF/DWARFContext.h" 15 #include "llvm/Support/Threading.h" 16 #include <memory> 17 #include <optional> 18 19 namespace lldb_private::plugin { 20 namespace dwarf { 21 class DWARFContext { 22 private: 23 SectionList *m_main_section_list; 24 SectionList *m_dwo_section_list; 25 mutable std::unique_ptr<llvm::DWARFContext> m_llvm_context; 26 27 struct SectionData { 28 llvm::once_flag flag; 29 DWARFDataExtractor data; 30 }; 31 32 SectionData m_data_debug_abbrev; 33 SectionData m_data_debug_addr; 34 SectionData m_data_debug_aranges; 35 SectionData m_data_debug_cu_index; 36 SectionData m_data_debug_info; 37 SectionData m_data_debug_line; 38 SectionData m_data_debug_line_str; 39 SectionData m_data_debug_loc; 40 SectionData m_data_debug_loclists; 41 SectionData m_data_debug_macro; 42 SectionData m_data_debug_ranges; 43 SectionData m_data_debug_rnglists; 44 SectionData m_data_debug_str; 45 SectionData m_data_debug_str_offsets; 46 SectionData m_data_debug_tu_index; 47 SectionData m_data_debug_types; 48 49 const DWARFDataExtractor & 50 LoadOrGetSection(std::optional<lldb::SectionType> main_section_type, 51 std::optional<lldb::SectionType> dwo_section_type, 52 SectionData &data); 53 54 const DWARFDataExtractor &getOrLoadCuIndexData(); 55 const DWARFDataExtractor &getOrLoadTuIndexData(); 56 57 public: 58 explicit DWARFContext(SectionList *main_section_list, 59 SectionList *dwo_section_list) 60 : m_main_section_list(main_section_list), 61 m_dwo_section_list(dwo_section_list) {} 62 63 const DWARFDataExtractor &getOrLoadAbbrevData(); 64 const DWARFDataExtractor &getOrLoadAddrData(); 65 const DWARFDataExtractor &getOrLoadArangesData(); 66 const DWARFDataExtractor &getOrLoadDebugInfoData(); 67 const DWARFDataExtractor &getOrLoadLineData(); 68 const DWARFDataExtractor &getOrLoadLineStrData(); 69 const DWARFDataExtractor &getOrLoadLocData(); 70 const DWARFDataExtractor &getOrLoadLocListsData(); 71 const DWARFDataExtractor &getOrLoadMacroData(); 72 const DWARFDataExtractor &getOrLoadRangesData(); 73 const DWARFDataExtractor &getOrLoadRngListsData(); 74 const DWARFDataExtractor &getOrLoadStrData(); 75 const DWARFDataExtractor &getOrLoadStrOffsetsData(); 76 const DWARFDataExtractor &getOrLoadDebugTypesData(); 77 78 bool isDwo() { return m_dwo_section_list != nullptr; } 79 80 llvm::DWARFContext &GetAsLLVM(); 81 }; 82 } // namespace dwarf 83 } // namespace lldb_private::plugin 84 85 #endif 86