forked from OSchip/llvm-project
103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
//===-- DWARFContext.cpp ----------------------------------------*- 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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#include "DWARFContext.h"
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#include "lldb/Core/Section.h"
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using namespace lldb;
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using namespace lldb_private;
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static DWARFDataExtractor LoadSection(SectionList *section_list,
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SectionType section_type) {
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if (!section_list)
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return DWARFDataExtractor();
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auto section_sp = section_list->FindSectionByType(section_type, true);
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if (!section_sp)
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return DWARFDataExtractor();
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DWARFDataExtractor data;
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section_sp->GetSectionData(data);
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return data;
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}
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const DWARFDataExtractor &
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DWARFContext::LoadOrGetSection(SectionType main_section_type,
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llvm::Optional<SectionType> dwo_section_type,
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SectionData &data) {
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llvm::call_once(data.flag, [&] {
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if (dwo_section_type && isDwo())
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data.data = LoadSection(m_dwo_section_list, *dwo_section_type);
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else
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data.data = LoadSection(m_main_section_list, main_section_type);
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});
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return data.data;
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadAbbrevData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugAbbrev,
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eSectionTypeDWARFDebugAbbrevDwo, m_data_debug_abbrev);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadArangesData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugAranges, llvm::None,
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m_data_debug_aranges);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadAddrData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugAddr, llvm::None,
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m_data_debug_addr);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadDebugInfoData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugInfo,
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eSectionTypeDWARFDebugInfoDwo, m_data_debug_info);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadLineData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugLine, llvm::None,
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m_data_debug_line);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadLineStrData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugLineStr, llvm::None,
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m_data_debug_line_str);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadMacroData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugMacro, llvm::None,
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m_data_debug_macro);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadRangesData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugRanges, llvm::None,
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m_data_debug_ranges);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadRngListsData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugRngLists, llvm::None,
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m_data_debug_rnglists);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadStrData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugStr,
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eSectionTypeDWARFDebugStrDwo, m_data_debug_str);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadStrOffsetsData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugStrOffsets,
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eSectionTypeDWARFDebugStrOffsetsDwo,
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m_data_debug_str_offsets);
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}
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const DWARFDataExtractor &DWARFContext::getOrLoadDebugTypesData() {
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return LoadOrGetSection(eSectionTypeDWARFDebugTypes,
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eSectionTypeDWARFDebugTypesDwo, m_data_debug_types);
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}
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