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1 //===-- ThreadPlanStepThrough.h ---------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef liblldb_ThreadPlanStepThrough_h_
11 #define liblldb_ThreadPlanStepThrough_h_
12 
13 // C Includes
14 // C++ Includes
15 // Other libraries and framework includes
16 // Project includes
17 #include "lldb/Target/Thread.h"
18 #include "lldb/Target/ThreadPlan.h"
19 
20 namespace lldb_private {
21 
22 class ThreadPlanStepThrough : public ThreadPlan
23 {
24 public:
25     virtual ~ThreadPlanStepThrough ();
26 
27     virtual void GetDescription (Stream *s, lldb::DescriptionLevel level);
28     virtual bool ValidatePlan (Stream *error);
29     virtual bool ShouldStop (Event *event_ptr);
30     virtual bool StopOthers ();
31     virtual lldb::StateType GetPlanRunState ();
32     virtual bool WillStop ();
33     virtual bool MischiefManaged ();
34     virtual void DidPush();
35 
36 protected:
37     virtual bool DoPlanExplainsStop (Event *event_ptr);
38     virtual bool DoWillResume (lldb::StateType resume_state, bool current_plan);
39 
40     ThreadPlanStepThrough (Thread &thread,
41                            StackID &return_stack_id,
42                            bool stop_others);
43 
44     void
45     LookForPlanToStepThroughFromCurrentPC ();
46 
47     bool
48     HitOurBackstopBreakpoint();
49 
50 private:
51     friend lldb::ThreadPlanSP
52     Thread::QueueThreadPlanForStepThrough (StackID &return_stack_id,
53                                            bool abort_other_plans,
54                                            bool stop_others);
55 
56     void ClearBackstopBreakpoint();
57 
58     lldb::ThreadPlanSP m_sub_plan_sp;
59     lldb::addr_t      m_start_address;
60     lldb::break_id_t  m_backstop_bkpt_id;
61     lldb::addr_t      m_backstop_addr;
62     StackID           m_return_stack_id;
63     bool              m_stop_others;
64 
65     DISALLOW_COPY_AND_ASSIGN (ThreadPlanStepThrough);
66 
67 };
68 
69 } // namespace lldb_private
70 
71 #endif  // liblldb_ThreadPlanStepThrough_h_
72