llvm/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.cpp

//===-- DWARFDebugInfo.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 "SymbolFileDWARF.h"

#include <algorithm>
#include <set>

#include "lldb/Host/PosixApi.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Utility/RegularExpression.h"
#include "lldb/Utility/Stream.h"
#include "llvm/Support/Casting.h"

#include "DWARFCompileUnit.h"
#include "DWARFContext.h"
#include "DWARFDebugAranges.h"
#include "DWARFDebugInfo.h"
#include "DWARFDebugInfoEntry.h"
#include "DWARFFormValue.h"
#include "DWARFTypeUnit.h"
#include "LogChannelDWARF.h"

usingnamespacelldb;
usingnamespacelldb_private;
usingnamespacelldb_private::plugin::dwarf;

// Constructor
DWARFDebugInfo::DWARFDebugInfo(SymbolFileDWARF &dwarf, DWARFContext &context)
    : … { … }

const DWARFDebugAranges &DWARFDebugInfo::GetCompileUnitAranges() { … }

void DWARFDebugInfo::ParseUnitsFor(DIERef::Section section) { … }

DWARFUnit *DWARFDebugInfo::GetSkeletonUnit(DWARFUnit *dwo_unit) { … }

void DWARFDebugInfo::ParseUnitHeadersIfNeeded() { … }

size_t DWARFDebugInfo::GetNumUnits() { … }

DWARFUnit *DWARFDebugInfo::GetUnitAtIndex(size_t idx) { … }

uint32_t DWARFDebugInfo::FindUnitIndex(DIERef::Section section,
                                       dw_offset_t offset) { … }

DWARFUnit *DWARFDebugInfo::GetUnitAtOffset(DIERef::Section section,
                                           dw_offset_t cu_offset,
                                           uint32_t *idx_ptr) { … }

DWARFUnit *
DWARFDebugInfo::GetUnitContainingDIEOffset(DIERef::Section section,
                                           dw_offset_t die_offset) { … }

const std::shared_ptr<SymbolFileDWARFDwo> &DWARFDebugInfo::GetDwpSymbolFile() { … }

DWARFTypeUnit *DWARFDebugInfo::GetTypeUnitForHash(uint64_t hash) { … }

bool DWARFDebugInfo::ContainsTypeUnits() { … }

// GetDIE()
//
// Get the DIE (Debug Information Entry) with the specified offset.
DWARFDIE
DWARFDebugInfo::GetDIE(DIERef::Section section, dw_offset_t die_offset) { … }