diff --git a/lldb/include/lldb/Interpreter/ScriptedInterface.h b/lldb/include/lldb/Interpreter/ScriptedInterface.h
--- a/lldb/include/lldb/Interpreter/ScriptedInterface.h
+++ b/lldb/include/lldb/Interpreter/ScriptedInterface.h
@@ -27,7 +27,8 @@
 
   virtual StructuredData::GenericSP
   CreatePluginObject(llvm::StringRef class_name, ExecutionContext &exe_ctx,
-                     StructuredData::DictionarySP args_sp) = 0;
+                     StructuredData::DictionarySP args_sp,
+                     void *instance_obj = nullptr) = 0;
 
   template <typename Ret>
   Ret ErrorWithMessage(llvm::StringRef caller_name, llvm::StringRef error_msg,
diff --git a/lldb/include/lldb/Interpreter/ScriptedProcessInterface.h b/lldb/include/lldb/Interpreter/ScriptedProcessInterface.h
--- a/lldb/include/lldb/Interpreter/ScriptedProcessInterface.h
+++ b/lldb/include/lldb/Interpreter/ScriptedProcessInterface.h
@@ -23,7 +23,8 @@
 public:
   StructuredData::GenericSP
   CreatePluginObject(llvm::StringRef class_name, ExecutionContext &exe_ctx,
-                     StructuredData::DictionarySP args_sp) override {
+                     StructuredData::DictionarySP args_sp,
+                     void *instance_obj = nullptr) override {
     return nullptr;
   }
 
@@ -77,7 +78,8 @@
 public:
   StructuredData::GenericSP
   CreatePluginObject(llvm::StringRef class_name, ExecutionContext &exe_ctx,
-                     StructuredData::DictionarySP args_sp) override {
+                     StructuredData::DictionarySP args_sp,
+                     void *instance_obj = nullptr) override {
     return nullptr;
   }
 
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.h b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.h
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.h
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.h
@@ -25,7 +25,8 @@
   StructuredData::GenericSP
   CreatePluginObject(const llvm::StringRef class_name,
                      ExecutionContext &exe_ctx,
-                     StructuredData::DictionarySP args_sp) override;
+                     StructuredData::DictionarySP args_sp,
+                     void *instance_obj = nullptr) override;
 
   Status Launch() override;
 
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp
@@ -32,7 +32,7 @@
 
 StructuredData::GenericSP ScriptedProcessPythonInterface::CreatePluginObject(
     llvm::StringRef class_name, ExecutionContext &exe_ctx,
-    StructuredData::DictionarySP args_sp) {
+    StructuredData::DictionarySP args_sp, void *instance_obj) {
   if (class_name.empty())
     return {};
 
@@ -43,15 +43,17 @@
   Locker py_lock(&m_interpreter, Locker::AcquireLock | Locker::NoSTDIN,
                  Locker::FreeLock);
 
-  void *ret_val = LLDBSwigPythonCreateScriptedProcess(
-      class_name.str().c_str(), m_interpreter.GetDictionaryName(), target_sp,
-      args_impl, error_string);
+  if (!instance_obj) {
+    instance_obj = LLDBSwigPythonCreateScriptedProcess(
+        class_name.str().c_str(), m_interpreter.GetDictionaryName(), target_sp,
+        args_impl, error_string);
 
-  if (!ret_val)
-    return {};
+    if (!instance_obj)
+      return {};
+  }
 
   m_object_instance_sp =
-      StructuredData::GenericSP(new StructuredPythonObject(ret_val));
+      StructuredData::GenericSP(new StructuredPythonObject(instance_obj));
 
   return m_object_instance_sp;
 }
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.h b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.h
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.h
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.h
@@ -24,7 +24,8 @@
 
   StructuredData::GenericSP
   CreatePluginObject(llvm::StringRef class_name, ExecutionContext &exe_ctx,
-                     StructuredData::DictionarySP args_sp) override;
+                     StructuredData::DictionarySP args_sp,
+                     void *instance_obj = nullptr) override;
 
   lldb::tid_t GetThreadID() override;
 
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.cpp
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedThreadPythonInterface.cpp
@@ -31,7 +31,7 @@
 
 StructuredData::GenericSP ScriptedThreadPythonInterface::CreatePluginObject(
     const llvm::StringRef class_name, ExecutionContext &exe_ctx,
-    StructuredData::DictionarySP args_sp) {
+    StructuredData::DictionarySP args_sp, void *instance_obj) {
 
   if (class_name.empty())
     return {};
@@ -43,15 +43,17 @@
   Locker py_lock(&m_interpreter, Locker::AcquireLock | Locker::NoSTDIN,
                  Locker::FreeLock);
 
-  void *ret_val = LLDBSwigPythonCreateScriptedThread(
-      class_name.str().c_str(), m_interpreter.GetDictionaryName(), process_sp,
-      args_impl, error_string);
+  if (!instance_obj) {
+    instance_obj = LLDBSwigPythonCreateScriptedThread(
+        class_name.str().c_str(), m_interpreter.GetDictionaryName(), process_sp,
+        args_impl, error_string);
 
-  if (!ret_val)
-    return {};
+    if (!instance_obj)
+      return {};
+  }
 
   m_object_instance_sp =
-      StructuredData::GenericSP(new StructuredPythonObject(ret_val));
+      StructuredData::GenericSP(new StructuredPythonObject(instance_obj));
 
   return m_object_instance_sp;
 }