128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
//===-- DWARFBaseDIE.cpp --------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DWARFBaseDIE.h"
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#include "DWARFUnit.h"
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#include "DWARFDebugInfoEntry.h"
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#include "SymbolFileDWARF.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Utility/Log.h"
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using namespace lldb_private;
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llvm::Optional<DIERef> DWARFBaseDIE::GetDIERef() const {
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if (!IsValid())
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return llvm::None;
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return DIERef(m_cu->GetSymbolFileDWARF().GetDwoNum(), m_cu->GetDebugSection(),
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m_die->GetOffset());
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}
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dw_tag_t DWARFBaseDIE::Tag() const {
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if (m_die)
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return m_die->Tag();
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else
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return llvm::dwarf::DW_TAG_null;
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}
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const char *DWARFBaseDIE::GetTagAsCString() const {
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return lldb_private::DW_TAG_value_to_name(Tag());
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}
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const char *DWARFBaseDIE::GetAttributeValueAsString(const dw_attr_t attr,
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const char *fail_value) const {
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if (IsValid())
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return m_die->GetAttributeValueAsString(GetCU(), attr, fail_value);
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else
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return fail_value;
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}
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uint64_t DWARFBaseDIE::GetAttributeValueAsUnsigned(const dw_attr_t attr,
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uint64_t fail_value) const {
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if (IsValid())
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return m_die->GetAttributeValueAsUnsigned(GetCU(), attr, fail_value);
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else
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return fail_value;
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}
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uint64_t DWARFBaseDIE::GetAttributeValueAsAddress(const dw_attr_t attr,
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uint64_t fail_value) const {
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if (IsValid())
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return m_die->GetAttributeValueAsAddress(GetCU(), attr, fail_value);
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else
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return fail_value;
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}
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lldb::user_id_t DWARFBaseDIE::GetID() const {
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if (IsValid())
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return GetDWARF()->GetUID(*this);
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return LLDB_INVALID_UID;
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}
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const char *DWARFBaseDIE::GetName() const {
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if (IsValid())
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return m_die->GetName(m_cu);
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else
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return nullptr;
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}
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lldb::ModuleSP DWARFBaseDIE::GetModule() const {
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SymbolFileDWARF *dwarf = GetDWARF();
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if (dwarf)
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return dwarf->GetObjectFile()->GetModule();
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else
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return lldb::ModuleSP();
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}
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dw_offset_t DWARFBaseDIE::GetOffset() const {
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if (IsValid())
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return m_die->GetOffset();
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else
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return DW_INVALID_OFFSET;
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}
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SymbolFileDWARF *DWARFBaseDIE::GetDWARF() const {
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if (m_cu)
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return &m_cu->GetSymbolFileDWARF();
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else
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return nullptr;
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}
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bool DWARFBaseDIE::HasChildren() const {
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return m_die && m_die->HasChildren();
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}
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bool DWARFBaseDIE::Supports_DW_AT_APPLE_objc_complete_type() const {
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return IsValid() && GetDWARF()->Supports_DW_AT_APPLE_objc_complete_type(m_cu);
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}
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size_t DWARFBaseDIE::GetAttributes(DWARFAttributes &attributes,
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Recurse recurse) const {
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if (IsValid())
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return m_die->GetAttributes(m_cu, attributes, recurse);
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attributes.Clear();
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return 0;
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}
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bool operator==(const DWARFBaseDIE &lhs, const DWARFBaseDIE &rhs) {
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return lhs.GetDIE() == rhs.GetDIE() && lhs.GetCU() == rhs.GetCU();
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}
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bool operator!=(const DWARFBaseDIE &lhs, const DWARFBaseDIE &rhs) {
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return !(lhs == rhs);
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}
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const DWARFDataExtractor &DWARFBaseDIE::GetData() const {
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// Clients must check if this DIE is valid before calling this function.
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assert(IsValid());
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return m_cu->GetData();
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}
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