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