1 //===-- SymbolFileDWARFDwo.cpp ----------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "SymbolFileDWARFDwo.h"
12 #include "lldb/Core/Section.h"
13 #include "lldb/Expression/DWARFExpression.h"
14 #include "lldb/Symbol/ObjectFile.h"
15 #include "lldb/Utility/LLDBAssert.h"
17 #include "DWARFCompileUnit.h"
18 #include "DWARFDebugInfo.h"
21 using namespace lldb_private;
23 SymbolFileDWARFDwo::SymbolFileDWARFDwo(ObjectFileSP objfile,
24 DWARFCompileUnit *dwarf_cu)
25 : SymbolFileDWARF(objfile.get()), m_obj_file_sp(objfile),
26 m_base_dwarf_cu(dwarf_cu) {
27 SetID(((lldb::user_id_t)dwarf_cu->GetOffset()) << 32);
30 void SymbolFileDWARFDwo::LoadSectionData(lldb::SectionType sect_type,
31 DWARFDataExtractor &data) {
32 const SectionList *section_list =
33 m_obj_file->GetSectionList(false /* update_module_section_list */);
35 SectionSP section_sp(section_list->FindSectionByType(sect_type, true));
37 // See if we memory mapped the DWARF segment?
38 if (m_dwarf_data.GetByteSize()) {
39 data.SetData(m_dwarf_data, section_sp->GetOffset(),
40 section_sp->GetFileSize());
44 if (m_obj_file->ReadSectionData(section_sp.get(), data) != 0)
51 SymbolFileDWARF::LoadSectionData(sect_type, data);
55 SymbolFileDWARFDwo::ParseCompileUnit(DWARFCompileUnit *dwarf_cu,
57 assert(GetCompileUnit() == dwarf_cu && "SymbolFileDWARFDwo::ParseCompileUnit "
58 "called with incompatible compile "
60 return GetBaseSymbolFile()->ParseCompileUnit(m_base_dwarf_cu, UINT32_MAX);
63 DWARFCompileUnit *SymbolFileDWARFDwo::GetCompileUnit() {
64 // Only dwo files with 1 compile unit is supported
65 if (GetNumCompileUnits() == 1)
66 return DebugInfo()->GetCompileUnitAtIndex(0);
72 SymbolFileDWARFDwo::GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit) {
73 return GetCompileUnit();
76 SymbolFileDWARF::DIEToTypePtr &SymbolFileDWARFDwo::GetDIEToType() {
77 return GetBaseSymbolFile()->GetDIEToType();
80 SymbolFileDWARF::DIEToVariableSP &SymbolFileDWARFDwo::GetDIEToVariable() {
81 return GetBaseSymbolFile()->GetDIEToVariable();
84 SymbolFileDWARF::DIEToClangType &
85 SymbolFileDWARFDwo::GetForwardDeclDieToClangType() {
86 return GetBaseSymbolFile()->GetForwardDeclDieToClangType();
89 SymbolFileDWARF::ClangTypeToDIE &
90 SymbolFileDWARFDwo::GetForwardDeclClangTypeToDie() {
91 return GetBaseSymbolFile()->GetForwardDeclClangTypeToDie();
94 UniqueDWARFASTTypeMap &SymbolFileDWARFDwo::GetUniqueDWARFASTTypeMap() {
95 return GetBaseSymbolFile()->GetUniqueDWARFASTTypeMap();
98 lldb::TypeSP SymbolFileDWARFDwo::FindDefinitionTypeForDWARFDeclContext(
99 const DWARFDeclContext &die_decl_ctx) {
100 return GetBaseSymbolFile()->FindDefinitionTypeForDWARFDeclContext(
104 SymbolFileDWARF *SymbolFileDWARFDwo::GetBaseSymbolFile() {
105 return m_base_dwarf_cu->GetSymbolFileDWARF();
108 DWARFExpression::LocationListFormat
109 SymbolFileDWARFDwo::GetLocationListFormat() const {
110 return DWARFExpression::SplitDwarfLocationList;
114 SymbolFileDWARFDwo::GetTypeSystemForLanguage(LanguageType language) {
115 return GetBaseSymbolFile()->GetTypeSystemForLanguage(language);
119 SymbolFileDWARFDwo::GetDIE(const DIERef &die_ref) {
120 lldbassert(m_base_dwarf_cu->GetOffset() == die_ref.cu_offset);
121 return DebugInfo()->GetDIEForDIEOffset(die_ref.die_offset);