1//===-- ThreadPlanStepThrough.h ---------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef liblldb_ThreadPlanStepThrough_h_
10#define liblldb_ThreadPlanStepThrough_h_
11
12#include "lldb/Target/Thread.h"
13#include "lldb/Target/ThreadPlan.h"
14
15namespace lldb_private {
16
17class ThreadPlanStepThrough : public ThreadPlan {
18public:
19  ~ThreadPlanStepThrough() override;
20
21  void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
22  bool ValidatePlan(Stream *error) override;
23  bool ShouldStop(Event *event_ptr) override;
24  bool StopOthers() override;
25  lldb::StateType GetPlanRunState() override;
26  bool WillStop() override;
27  bool MischiefManaged() override;
28  void DidPush() override;
29
30protected:
31  bool DoPlanExplainsStop(Event *event_ptr) override;
32  bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
33
34  ThreadPlanStepThrough(Thread &thread, StackID &return_stack_id,
35                        bool stop_others);
36
37  void LookForPlanToStepThroughFromCurrentPC();
38
39  bool HitOurBackstopBreakpoint();
40
41private:
42  friend lldb::ThreadPlanSP
43  Thread::QueueThreadPlanForStepThrough(StackID &return_stack_id,
44                                        bool abort_other_plans,
45                                        bool stop_others, Status &status);
46
47  void ClearBackstopBreakpoint();
48
49  lldb::ThreadPlanSP m_sub_plan_sp;
50  lldb::addr_t m_start_address;
51  lldb::break_id_t m_backstop_bkpt_id;
52  lldb::addr_t m_backstop_addr;
53  StackID m_return_stack_id;
54  bool m_stop_others;
55
56  DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepThrough);
57};
58
59} // namespace lldb_private
60
61#endif // liblldb_ThreadPlanStepThrough_h_
62