132 lines
3.5 KiB
C++
132 lines
3.5 KiB
C++
//===-- SymbolFileDWARFDwo.cpp ----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "SymbolFileDWARFDwo.h"
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#include "lldb/Core/Section.h"
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#include "lldb/Expression/DWARFExpression.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "DWARFCompileUnit.h"
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#include "DWARFDebugInfo.h"
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using namespace lldb;
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using namespace lldb_private;
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SymbolFileDWARFDwo::SymbolFileDWARFDwo(ObjectFileSP objfile, DWARFCompileUnit* dwarf_cu) :
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SymbolFileDWARF(objfile.get()),
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m_obj_file_sp(objfile),
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m_base_dwarf_cu(dwarf_cu)
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{
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SetID(((lldb::user_id_t)dwarf_cu->GetOffset())<<32);
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}
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void
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SymbolFileDWARFDwo::LoadSectionData (lldb::SectionType sect_type, DWARFDataExtractor& data)
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{
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const SectionList* section_list = m_obj_file->GetSectionList(false /* update_module_section_list */);
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if (section_list)
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{
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SectionSP section_sp (section_list->FindSectionByType(sect_type, true));
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if (section_sp)
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{
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// See if we memory mapped the DWARF segment?
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if (m_dwarf_data.GetByteSize())
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{
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data.SetData(m_dwarf_data, section_sp->GetOffset(), section_sp->GetFileSize());
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return;
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}
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if (m_obj_file->ReadSectionData(section_sp.get(), data) != 0)
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return;
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data.Clear();
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}
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}
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SymbolFileDWARF::LoadSectionData(sect_type, data);
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}
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lldb::CompUnitSP
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SymbolFileDWARFDwo::ParseCompileUnit(DWARFCompileUnit* dwarf_cu, uint32_t cu_idx)
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{
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assert(GetCompileUnit() == dwarf_cu && "SymbolFileDWARFDwo::ParseCompileUnit called with incompatible compile unit");
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return GetBaseSymbolFile()->ParseCompileUnit(m_base_dwarf_cu, UINT32_MAX);
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}
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DWARFCompileUnit*
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SymbolFileDWARFDwo::GetCompileUnit()
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{
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// Only dwo files with 1 compile unit is supported
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if (GetNumCompileUnits() == 1)
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return DebugInfo()->GetCompileUnitAtIndex(0);
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else
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return nullptr;
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}
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DWARFCompileUnit*
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SymbolFileDWARFDwo::GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit)
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{
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return GetCompileUnit();
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}
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SymbolFileDWARF::DIEToTypePtr&
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SymbolFileDWARFDwo::GetDIEToType()
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{
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return GetBaseSymbolFile()->GetDIEToType();
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}
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SymbolFileDWARF::DIEToVariableSP&
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SymbolFileDWARFDwo::GetDIEToVariable()
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{
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return GetBaseSymbolFile()->GetDIEToVariable();
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}
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SymbolFileDWARF::DIEToClangType&
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SymbolFileDWARFDwo::GetForwardDeclDieToClangType()
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{
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return GetBaseSymbolFile()->GetForwardDeclDieToClangType();
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}
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SymbolFileDWARF::ClangTypeToDIE&
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SymbolFileDWARFDwo::GetForwardDeclClangTypeToDie()
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{
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return GetBaseSymbolFile()->GetForwardDeclClangTypeToDie();
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}
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UniqueDWARFASTTypeMap&
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SymbolFileDWARFDwo::GetUniqueDWARFASTTypeMap()
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{
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return GetBaseSymbolFile()->GetUniqueDWARFASTTypeMap();
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}
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lldb::TypeSP
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SymbolFileDWARFDwo::FindDefinitionTypeForDWARFDeclContext (const DWARFDeclContext &die_decl_ctx)
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{
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return GetBaseSymbolFile()->FindDefinitionTypeForDWARFDeclContext(die_decl_ctx);
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}
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SymbolFileDWARF*
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SymbolFileDWARFDwo::GetBaseSymbolFile()
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{
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return m_base_dwarf_cu->GetSymbolFileDWARF();
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}
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DWARFExpression::LocationListFormat
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SymbolFileDWARFDwo::GetLocationListFormat() const
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{
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return DWARFExpression::SplitDwarfLocationList;
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}
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TypeSystem*
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SymbolFileDWARFDwo::GetTypeSystemForLanguage(LanguageType language)
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{
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return GetBaseSymbolFile()->GetTypeSystemForLanguage(language);
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}
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