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_PLUGINS_SYMBOLFILE_DWARF_DWARFCONTEXT_H 10 #define LLDB_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_info; 35 SectionData m_data_debug_line; 36 SectionData m_data_debug_line_str; 37 SectionData m_data_debug_macro; 38 SectionData m_data_debug_ranges; 39 SectionData m_data_debug_rnglists; 40 SectionData m_data_debug_str; 41 SectionData m_data_debug_str_offsets; 42 SectionData m_data_debug_types; 43 44 bool isDwo() { return m_dwo_section_list != nullptr; } 45 46 const DWARFDataExtractor & 47 LoadOrGetSection(lldb::SectionType main_section_type, 48 llvm::Optional<lldb::SectionType> dwo_section_type, 49 SectionData &data); 50 51 public: 52 explicit DWARFContext(SectionList *main_section_list, 53 SectionList *dwo_section_list) 54 : m_main_section_list(main_section_list), 55 m_dwo_section_list(dwo_section_list) {} 56 57 const DWARFDataExtractor &getOrLoadAbbrevData(); 58 const DWARFDataExtractor &getOrLoadAddrData(); 59 const DWARFDataExtractor &getOrLoadArangesData(); 60 const DWARFDataExtractor &getOrLoadDebugInfoData(); 61 const DWARFDataExtractor &getOrLoadLineData(); 62 const DWARFDataExtractor &getOrLoadLineStrData(); 63 const DWARFDataExtractor &getOrLoadMacroData(); 64 const DWARFDataExtractor &getOrLoadRangesData(); 65 const DWARFDataExtractor &getOrLoadRngListsData(); 66 const DWARFDataExtractor &getOrLoadStrData(); 67 const DWARFDataExtractor &getOrLoadStrOffsetsData(); 68 const DWARFDataExtractor &getOrLoadDebugTypesData(); 69 70 llvm::DWARFContext &GetAsLLVM(); 71 }; 72 } // namespace lldb_private 73 74 #endif 75