f4af9a9d80
This patch adds two convenience methods named GetAsLLVM to the LLDB counterparts of the DWARF DataExtractor and the DWARF context. The DWARFContext, once created, is cached for future usage. Differential revision: https://reviews.llvm.org/D64535 llvm-svn: 365819
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
//===-- DWARFContext.h ------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_PLUGINS_SYMBOLFILE_DWARF_DWARFCONTEXT_H
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#define LLDB_PLUGINS_SYMBOLFILE_DWARF_DWARFCONTEXT_H
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#include "DWARFDataExtractor.h"
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#include "lldb/Core/Section.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/DebugInfo/DWARF/DWARFContext.h"
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#include "llvm/Support/Threading.h"
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#include <memory>
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namespace lldb_private {
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class DWARFContext {
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private:
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SectionList *m_main_section_list;
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SectionList *m_dwo_section_list;
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mutable std::unique_ptr<llvm::DWARFContext> m_llvm_context;
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struct SectionData {
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llvm::once_flag flag;
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DWARFDataExtractor data;
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};
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SectionData m_data_debug_abbrev;
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SectionData m_data_debug_addr;
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SectionData m_data_debug_aranges;
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SectionData m_data_debug_info;
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SectionData m_data_debug_line;
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SectionData m_data_debug_line_str;
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SectionData m_data_debug_macro;
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SectionData m_data_debug_ranges;
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SectionData m_data_debug_rnglists;
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SectionData m_data_debug_str;
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SectionData m_data_debug_str_offsets;
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SectionData m_data_debug_types;
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bool isDwo() { return m_dwo_section_list != nullptr; }
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const DWARFDataExtractor &
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LoadOrGetSection(lldb::SectionType main_section_type,
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llvm::Optional<lldb::SectionType> dwo_section_type,
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SectionData &data);
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public:
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explicit DWARFContext(SectionList *main_section_list,
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SectionList *dwo_section_list)
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: m_main_section_list(main_section_list),
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m_dwo_section_list(dwo_section_list) {}
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const DWARFDataExtractor &getOrLoadAbbrevData();
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const DWARFDataExtractor &getOrLoadAddrData();
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const DWARFDataExtractor &getOrLoadArangesData();
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const DWARFDataExtractor &getOrLoadDebugInfoData();
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const DWARFDataExtractor &getOrLoadLineData();
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const DWARFDataExtractor &getOrLoadLineStrData();
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const DWARFDataExtractor &getOrLoadMacroData();
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const DWARFDataExtractor &getOrLoadRangesData();
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const DWARFDataExtractor &getOrLoadRngListsData();
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const DWARFDataExtractor &getOrLoadStrData();
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const DWARFDataExtractor &getOrLoadStrOffsetsData();
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const DWARFDataExtractor &getOrLoadDebugTypesData();
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llvm::DWARFContext &GetAsLLVM();
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};
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} // namespace lldb_private
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#endif
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