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//===-- DWARFBaseDIE.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "DWARFBaseDIE.h"
#include "DWARFUnit.h"
#include "DWARFDebugInfoEntry.h"
#include "SymbolFileDWARF.h"
#include "lldb/Core/Module.h"
#include "lldb/Symbol/ObjectFile.h"
using namespace lldb_private;
DIERef DWARFBaseDIE::GetDIERef() const {
if (!IsValid())
return DIERef();
dw_offset_t cu_offset = m_cu->GetOffset();
if (m_cu->GetBaseObjOffset() != DW_INVALID_OFFSET)
cu_offset = m_cu->GetBaseObjOffset();
return DIERef(cu_offset, m_die->GetOffset());
}
dw_tag_t DWARFBaseDIE::Tag() const {
if (m_die)
return m_die->Tag();
else
return 0;
}
const char *DWARFBaseDIE::GetTagAsCString() const {
return lldb_private::DW_TAG_value_to_name(Tag());
}
const char *DWARFBaseDIE::GetAttributeValueAsString(const dw_attr_t attr,
const char *fail_value) const {
if (IsValid())
return m_die->GetAttributeValueAsString(GetDWARF(), GetCU(), attr,
fail_value);
else
return fail_value;
}
uint64_t DWARFBaseDIE::GetAttributeValueAsUnsigned(const dw_attr_t attr,
uint64_t fail_value) const {
if (IsValid())
return m_die->GetAttributeValueAsUnsigned(GetDWARF(), GetCU(), attr,
fail_value);
else
return fail_value;
}
int64_t DWARFBaseDIE::GetAttributeValueAsSigned(const dw_attr_t attr,
int64_t fail_value) const {
if (IsValid())
return m_die->GetAttributeValueAsSigned(GetDWARF(), GetCU(), attr,
fail_value);
else
return fail_value;
}
uint64_t DWARFBaseDIE::GetAttributeValueAsReference(const dw_attr_t attr,
uint64_t fail_value) const {
if (IsValid())
return m_die->GetAttributeValueAsReference(GetDWARF(), GetCU(), attr,
fail_value);
else
return fail_value;
}
uint64_t DWARFBaseDIE::GetAttributeValueAsAddress(const dw_attr_t attr,
uint64_t fail_value) const {
if (IsValid())
return m_die->GetAttributeValueAsAddress(GetDWARF(), GetCU(), attr,
fail_value);
else
return fail_value;
}
lldb::user_id_t DWARFBaseDIE::GetID() const {
return GetDIERef().GetUID(GetDWARF());
}
const char *DWARFBaseDIE::GetName() const {
if (IsValid())
return m_die->GetName(GetDWARF(), m_cu);
else
return nullptr;
}
lldb::LanguageType DWARFBaseDIE::GetLanguage() const {
if (IsValid())
return m_cu->GetLanguageType();
else
return lldb::eLanguageTypeUnknown;
}
lldb::ModuleSP DWARFBaseDIE::GetModule() const {
SymbolFileDWARF *dwarf = GetDWARF();
if (dwarf)
return dwarf->GetObjectFile()->GetModule();
else
return lldb::ModuleSP();
}
lldb_private::CompileUnit *DWARFBaseDIE::GetLLDBCompileUnit() const {
if (IsValid())
return GetDWARF()->GetCompUnitForDWARFCompUnit(GetCU());
else
return nullptr;
}
dw_offset_t DWARFBaseDIE::GetOffset() const {
if (IsValid())
return m_die->GetOffset();
else
return DW_INVALID_OFFSET;
}
dw_offset_t DWARFBaseDIE::GetCompileUnitRelativeOffset() const {
if (IsValid())
return m_die->GetOffset() - m_cu->GetOffset();
else
return DW_INVALID_OFFSET;
}
SymbolFileDWARF *DWARFBaseDIE::GetDWARF() const {
if (m_cu)
return m_cu->GetSymbolFileDWARF();
else
return nullptr;
}
lldb_private::TypeSystem *DWARFBaseDIE::GetTypeSystem() const {
if (m_cu)
return m_cu->GetTypeSystem();
else
return nullptr;
}
DWARFASTParser *DWARFBaseDIE::GetDWARFParser() const {
lldb_private::TypeSystem *type_system = GetTypeSystem();
if (type_system)
return type_system->GetDWARFParser();
else
return nullptr;
}
bool DWARFBaseDIE::HasChildren() const {
return m_die && m_die->HasChildren();
}
bool DWARFBaseDIE::Supports_DW_AT_APPLE_objc_complete_type() const {
return IsValid() && GetDWARF()->Supports_DW_AT_APPLE_objc_complete_type(m_cu);
}
size_t DWARFBaseDIE::GetAttributes(DWARFAttributes &attributes,
uint32_t depth) const {
if (IsValid()) {
return m_die->GetAttributes(m_cu, m_cu->GetFixedFormSizes(), attributes,
depth);
}
if (depth == 0)
attributes.Clear();
return 0;
}
void DWARFBaseDIE::Dump(lldb_private::Stream *s,
const uint32_t recurse_depth) const {
if (s && IsValid())
m_die->Dump(GetDWARF(), GetCU(), *s, recurse_depth);
}
bool operator==(const DWARFBaseDIE &lhs, const DWARFBaseDIE &rhs) {
return lhs.GetDIE() == rhs.GetDIE() && lhs.GetCU() == rhs.GetCU();
}
bool operator!=(const DWARFBaseDIE &lhs, const DWARFBaseDIE &rhs) {
return !(lhs == rhs);
}
const DWARFDataExtractor &DWARFBaseDIE::GetData() const {
// Clients must check if this DIE is valid before calling this function.
assert(IsValid());
return m_cu->GetData();
}
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