1 files changed, 76 insertions, 0 deletions
diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleThreadPlanStepThroughObjCTrampoline.h b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleThreadPlanStepThroughObjCTrampoline.h
new file mode 100644
index 000000000000..96f37851a35f
--- /dev/null
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleThreadPlanStepThroughObjCTrampoline.h
@@ -0,0 +1,76 @@
+//===-- AppleThreadPlanStepThroughObjCTrampoline.h --------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef lldb_AppleThreadPlanStepThroughObjCTrampoline_h_
+#define lldb_AppleThreadPlanStepThroughObjCTrampoline_h_
+
+#include "AppleObjCTrampolineHandler.h"
+#include "lldb/Core/Value.h"
+#include "lldb/Target/ThreadPlan.h"
+#include "lldb/lldb-enumerations.h"
+#include "lldb/lldb-types.h"
+
+namespace lldb_private {
+
+class AppleThreadPlanStepThroughObjCTrampoline : public ThreadPlan {
+public:
+  AppleThreadPlanStepThroughObjCTrampoline(
+      Thread &thread, AppleObjCTrampolineHandler *trampoline_handler,
+      ValueList &values, lldb::addr_t isa_addr, lldb::addr_t sel_addr,
+      bool stop_others);
+
+  ~AppleThreadPlanStepThroughObjCTrampoline() override;
+
+  static bool PreResumeInitializeFunctionCaller(void *myself);
+
+  void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
+
+  bool ValidatePlan(Stream *error) override;
+
+  lldb::StateType GetPlanRunState() override;
+
+  bool ShouldStop(Event *event_ptr) override;
+
+  bool StopOthers() override { return m_stop_others; }
+
+  // The base class MischiefManaged does some cleanup - so you have to call it
+  // in your MischiefManaged derived class.
+  bool MischiefManaged() override;
+
+  void DidPush() override;
+
+  bool WillStop() override;
+
+protected:
+  bool DoPlanExplainsStop(Event *event_ptr) override;
+
+private:
+  bool InitializeFunctionCaller();
+
+  AppleObjCTrampolineHandler *m_trampoline_handler; // FIXME - ensure this
+                                                    // doesn't go away on us?
+                                                    // SP maybe?
+  lldb::addr_t m_args_addr; // Stores the address for our step through function
+                            // result structure.
+  // lldb::addr_t m_object_addr;  // This is only for Description.
+  ValueList m_input_values;
+  lldb::addr_t m_isa_addr; // isa_addr and sel_addr are the keys we will use to
+                           // cache the implementation.
+  lldb::addr_t m_sel_addr;
+  lldb::ThreadPlanSP m_func_sp; // This is the function call plan.  We fill it
+                                // at start, then set it
+  // to NULL when this plan is done.  That way we know to go to:
+  lldb::ThreadPlanSP m_run_to_sp;  // The plan that runs to the target.
+  FunctionCaller *m_impl_function; // This is a pointer to a impl function that
+  // is owned by the client that pushes this plan.
+  bool m_stop_others;
+};
+
+} // namespace lldb_private
+
+#endif // lldb_AppleThreadPlanStepThroughObjCTrampoline_h_