1 files changed, 17 insertions, 61 deletions

diff --git a/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp b/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp
index 077de9604f1d..96adb72c9532 100644
--- a/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp
+++ b/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp
@@ -1,9 +1,8 @@
 //===-- DWARFBaseDIE.cpp ---------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -18,14 +17,12 @@
 
 using namespace lldb_private;
 
-DIERef DWARFBaseDIE::GetDIERef() const {
+llvm::Optional<DIERef> DWARFBaseDIE::GetDIERef() const {
   if (!IsValid())
-    return DIERef();
+    return llvm::None;
 
-  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());
+  return DIERef(m_cu->GetSymbolFileDWARF().GetDwoNum(), m_cu->GetDebugSection(),
+                m_die->GetOffset());
 }
 
 dw_tag_t DWARFBaseDIE::Tag() const {
@@ -42,8 +39,7 @@ const char *DWARFBaseDIE::GetTagAsCString() const {
 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);
+    return m_die->GetAttributeValueAsString(GetCU(), attr, fail_value);
   else
     return fail_value;
 }
@@ -51,26 +47,7 @@ const char *DWARFBaseDIE::GetAttributeValueAsString(const dw_attr_t attr,
 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);
+    return m_die->GetAttributeValueAsUnsigned(GetCU(), attr, fail_value);
   else
     return fail_value;
 }
@@ -78,19 +55,20 @@ uint64_t DWARFBaseDIE::GetAttributeValueAsReference(const dw_attr_t attr,
 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);
+    return m_die->GetAttributeValueAsAddress(GetCU(), attr, fail_value);
   else
     return fail_value;
 }
 
 lldb::user_id_t DWARFBaseDIE::GetID() const {
-  return GetDIERef().GetUID(GetDWARF());
+  if (IsValid())
+    return GetDWARF()->GetUID(*this);
+  return LLDB_INVALID_UID;
 }
 
 const char *DWARFBaseDIE::GetName() const {
   if (IsValid())
-    return m_die->GetName(GetDWARF(), m_cu);
+    return m_die->GetName(m_cu);
   else
     return nullptr;
 }
@@ -110,13 +88,6 @@ lldb::ModuleSP DWARFBaseDIE::GetModule() const {
     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();
@@ -124,16 +95,9 @@ dw_offset_t DWARFBaseDIE::GetOffset() const {
     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();
+    return &m_cu->GetSymbolFileDWARF();
   else
     return nullptr;
 }
@@ -163,21 +127,13 @@ bool DWARFBaseDIE::Supports_DW_AT_APPLE_objc_complete_type() const {
 
 size_t DWARFBaseDIE::GetAttributes(DWARFAttributes &attributes,
                                uint32_t depth) const {
-  if (IsValid()) {
-    return m_die->GetAttributes(m_cu, m_cu->GetFixedFormSizes(), attributes,
-                                depth);
-  }
+  if (IsValid())
+    return m_die->GetAttributes(m_cu, 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();
 }