1 files changed, 27 insertions, 0 deletions
diff --git a/lldb/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp b/lldb/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp
index d0672352a58f..3ba0079c96e6 100644
--- a/lldb/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp
+++ b/lldb/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp
@@ -250,3 +250,30 @@ DWARFExpression lldb_private::npdb::MakeConstantLocationExpression(
   DWARFExpression result(nullptr, extractor, nullptr);
   return result;
 }
+
+DWARFExpression lldb_private::npdb::MakeEnregisteredLocationExpressionForClass(
+    std::map<uint64_t, std::pair<RegisterId, uint32_t>> &members_info,
+    lldb::ModuleSP module) {
+  return MakeLocationExpressionInternal(
+      module, [&](Stream &stream, RegisterKind &register_kind) -> bool {
+        for (auto pair : members_info) {
+          std::pair<RegisterId, uint32_t> member_info = pair.second;
+          if (member_info.first != llvm::codeview::RegisterId::NONE) {
+            uint32_t reg_num =
+                GetRegisterNumber(module->GetArchitecture().GetMachine(),
+                                  member_info.first, register_kind);
+            if (reg_num == LLDB_INVALID_REGNUM)
+              return false;
+            if (reg_num > 31) {
+              stream.PutHex8(llvm::dwarf::DW_OP_regx);
+              stream.PutULEB128(reg_num);
+            } else {
+              stream.PutHex8(llvm::dwarf::DW_OP_reg0 + reg_num);
+            }
+          }
+          stream.PutHex8(llvm::dwarf::DW_OP_piece);
+          stream.PutULEB128(member_info.second);
+        }
+        return true;
+      });
+}