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Current Path: /usr/src/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF

usr / src / contrib / llvm-project / lldb / source / Plugins / SymbolFile / DWARF /

📁 ..
📄 AppleDWARFIndex.cpp(7.64 KB)
📄 AppleDWARFIndex.h(3.23 KB)
📄 DIERef.cpp(768 B)
📄 DIERef.h(2.46 KB)
📄 DWARFASTParser.h(2.01 KB)
📄 DWARFASTParserClang.cpp(138.9 KB)
📄 DWARFASTParserClang.h(10.29 KB)
📄 DWARFAbbreviationDeclaration.cpp(2.96 KB)
📄 DWARFAbbreviationDeclaration.h(2.6 KB)
📄 DWARFAttribute.cpp(1.86 KB)
📄 DWARFAttribute.h(2.69 KB)
📄 DWARFBaseDIE.cpp(3.4 KB)
📄 DWARFBaseDIE.h(3.76 KB)
📄 DWARFCompileUnit.cpp(3.88 KB)
📄 DWARFCompileUnit.h(1.32 KB)
📄 DWARFContext.cpp(5.27 KB)
📄 DWARFContext.h(2.84 KB)
📄 DWARFDIE.cpp(11.88 KB)
📄 DWARFDIE.h(2.8 KB)
📄 DWARFDataExtractor.cpp(980 B)
📄 DWARFDataExtractor.h(1.25 KB)
📄 DWARFDebugAbbrev.cpp(4.6 KB)
📄 DWARFDebugAbbrev.h(2.92 KB)
📄 DWARFDebugArangeSet.cpp(5.4 KB)
📄 DWARFDebugArangeSet.h(2.35 KB)
📄 DWARFDebugAranges.cpp(2.89 KB)
📄 DWARFDebugAranges.h(1.6 KB)
📄 DWARFDebugInfo.cpp(6.65 KB)
📄 DWARFDebugInfo.h(2.84 KB)
📄 DWARFDebugInfoEntry.cpp(28.41 KB)
📄 DWARFDebugInfoEntry.h(7.26 KB)
📄 DWARFDebugMacro.cpp(4.35 KB)
📄 DWARFDebugMacro.h(1.74 KB)
📄 DWARFDebugRanges.cpp(4.12 KB)
📄 DWARFDebugRanges.h(1.41 KB)
📄 DWARFDeclContext.cpp(3.13 KB)
📄 DWARFDeclContext.h(2.53 KB)
📄 DWARFDefines.cpp(2.6 KB)
📄 DWARFDefines.h(1.09 KB)
📄 DWARFFormValue.cpp(16.48 KB)
📄 DWARFFormValue.h(3.27 KB)
📄 DWARFIndex.cpp(3.17 KB)
📄 DWARFIndex.h(3.76 KB)
📄 DWARFTypeUnit.cpp(857 B)
📄 DWARFTypeUnit.h(1.31 KB)
📄 DWARFUnit.cpp(32.71 KB)
📄 DWARFUnit.h(12.09 KB)
📄 DebugNamesDWARFIndex.cpp(9.7 KB)
📄 DebugNamesDWARFIndex.h(3.98 KB)
📄 HashedNameToDIE.cpp(19.9 KB)
📄 HashedNameToDIE.h(6.8 KB)
📄 LogChannelDWARF.cpp(1.13 KB)
📄 LogChannelDWARF.h(1.16 KB)
📄 ManualDWARFIndex.cpp(16.36 KB)
📄 ManualDWARFIndex.h(3.26 KB)
📄 NameToDIE.cpp(2.7 KB)
📄 NameToDIE.h(1.5 KB)
📄 SymbolFileDWARF.cpp(143.94 KB)
📄 SymbolFileDWARF.h(17.92 KB)
📄 SymbolFileDWARFDebugMap.cpp(54.3 KB)
📄 SymbolFileDWARFDebugMap.h(14.08 KB)
📄 SymbolFileDWARFDwo.cpp(4.41 KB)
📄 SymbolFileDWARFDwo.h(2.33 KB)
📄 SymbolFileDWARFProperties.td(285 B)
📄 UniqueDWARFASTType.cpp(2.84 KB)
📄 UniqueDWARFASTType.h(3.04 KB)

Editing: DWARFContext.cpp

//===-- DWARFContext.cpp --------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "DWARFContext.h"

#include "lldb/Core/Section.h"

using namespace lldb;
using namespace lldb_private;

static DWARFDataExtractor LoadSection(SectionList *section_list,
                                      SectionType section_type) {
  if (!section_list)
    return DWARFDataExtractor();

auto section_sp = section_list->FindSectionByType(section_type, true);
  if (!section_sp)
    return DWARFDataExtractor();

DWARFDataExtractor data;
  section_sp->GetSectionData(data);
  return data;
}

const DWARFDataExtractor &
DWARFContext::LoadOrGetSection(llvm::Optional<SectionType> main_section_type,
                               llvm::Optional<SectionType> dwo_section_type,
                               SectionData &data) {
  llvm::call_once(data.flag, [&] {
    if (dwo_section_type && isDwo())
      data.data = LoadSection(m_dwo_section_list, *dwo_section_type);
    else if (main_section_type)
      data.data = LoadSection(m_main_section_list, *main_section_type);
  });
  return data.data;
}

const DWARFDataExtractor &DWARFContext::getOrLoadCuIndexData() {
  return LoadOrGetSection(llvm::None, eSectionTypeDWARFDebugCuIndex,
                          m_data_debug_cu_index);
}

const DWARFDataExtractor &DWARFContext::getOrLoadTuIndexData() {
  return LoadOrGetSection(llvm::None, eSectionTypeDWARFDebugTuIndex,
                          m_data_debug_tu_index);
}

const DWARFDataExtractor &DWARFContext::getOrLoadAbbrevData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugAbbrev,
                          eSectionTypeDWARFDebugAbbrevDwo, m_data_debug_abbrev);
}

const DWARFDataExtractor &DWARFContext::getOrLoadArangesData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugAranges, llvm::None,
                          m_data_debug_aranges);
}

const DWARFDataExtractor &DWARFContext::getOrLoadAddrData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugAddr, llvm::None,
                          m_data_debug_addr);
}

const DWARFDataExtractor &DWARFContext::getOrLoadDebugInfoData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugInfo,
                          eSectionTypeDWARFDebugInfoDwo, m_data_debug_info);
}

const DWARFDataExtractor &DWARFContext::getOrLoadLineData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugLine, llvm::None,
                          m_data_debug_line);
}

const DWARFDataExtractor &DWARFContext::getOrLoadLineStrData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugLineStr, llvm::None,
                          m_data_debug_line_str);
}

const DWARFDataExtractor &DWARFContext::getOrLoadLocData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugLoc,
                          eSectionTypeDWARFDebugLocDwo, m_data_debug_loc);
}

const DWARFDataExtractor &DWARFContext::getOrLoadLocListsData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugLocLists,
                          eSectionTypeDWARFDebugLocListsDwo,
                          m_data_debug_loclists);
}

const DWARFDataExtractor &DWARFContext::getOrLoadMacroData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugMacro, llvm::None,
                          m_data_debug_macro);
}

const DWARFDataExtractor &DWARFContext::getOrLoadRangesData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugRanges, llvm::None,
                          m_data_debug_ranges);
}

const DWARFDataExtractor &DWARFContext::getOrLoadRngListsData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugRngLists,
                          eSectionTypeDWARFDebugRngListsDwo,
                          m_data_debug_rnglists);
}

const DWARFDataExtractor &DWARFContext::getOrLoadStrData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugStr,
                          eSectionTypeDWARFDebugStrDwo, m_data_debug_str);
}

const DWARFDataExtractor &DWARFContext::getOrLoadStrOffsetsData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugStrOffsets,
                          eSectionTypeDWARFDebugStrOffsetsDwo,
                          m_data_debug_str_offsets);
}

const DWARFDataExtractor &DWARFContext::getOrLoadDebugTypesData() {
  return LoadOrGetSection(eSectionTypeDWARFDebugTypes,
                          eSectionTypeDWARFDebugTypesDwo, m_data_debug_types);
}

llvm::DWARFContext &DWARFContext::GetAsLLVM() {
  if (!m_llvm_context) {
    llvm::StringMap<std::unique_ptr<llvm::MemoryBuffer>> section_map;
    uint8_t addr_size = 0;
    auto AddSection = [&](llvm::StringRef name, DWARFDataExtractor data) {
      // Set the address size the first time we see it.
      if (addr_size == 0)
        addr_size = data.GetAddressByteSize();

section_map.try_emplace(
          name, llvm::MemoryBuffer::getMemBuffer(toStringRef(data.GetData()),
                                                 name, false));
    };

AddSection("debug_line_str", getOrLoadLineStrData());
    AddSection("debug_cu_index", getOrLoadCuIndexData());
    AddSection("debug_tu_index", getOrLoadTuIndexData());

m_llvm_context = llvm::DWARFContext::create(section_map, addr_size);
  }
  return *m_llvm_context;
}

003 File Manager

Editing: DWARFContext.cpp

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