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
19namespace lldb_private::plugin {
20namespace dwarf {
21class DWARFContext {
22private:
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
57public:
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

source code of lldb/source/Plugins/SymbolFile/DWARF/DWARFContext.h