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