ThreadPlanStepUntil.h revision 1ebdcc7789aac1ef30ad6dcd485dff86c63136ad 
1//===-- ThreadPlanStepUntil.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_ThreadPlanStepUntil_h_
11#define liblldb_ThreadPlanStepUntil_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
20namespace lldb_private {
21
22
23class ThreadPlanStepUntil : public ThreadPlan
24{
25public:
26    virtual ~ThreadPlanStepUntil ();
27
28    virtual void GetDescription (Stream *s, lldb::DescriptionLevel level);
29    virtual bool ValidatePlan (Stream *error);
30    virtual bool PlanExplainsStop ();
31    virtual bool ShouldStop (Event *event_ptr);
32    virtual bool StopOthers ();
33    virtual lldb::StateType GetPlanRunState ();
34    virtual bool WillResume (lldb::StateType resume_state, bool current_plan);
35    virtual bool WillStop ();
36    virtual bool MischiefManaged ();
37
38    virtual bool
39    IsMasterPlan()
40    {
41        return true;
42    }
43
44protected:
45    ThreadPlanStepUntil (Thread &thread,
46                         lldb::addr_t *address_list,
47                         size_t num_addresses,
48                         bool stop_others,
49                         uint32_t frame_idx = 0);
50    void AnalyzeStop(void);
51
52private:
53
54    uint64_t m_stack_depth;
55    lldb::addr_t m_step_from_insn;
56    lldb::break_id_t m_return_bp_id;
57    lldb::addr_t m_return_addr;
58    bool m_stepped_out;
59    bool m_should_stop;
60    bool m_ran_analyze;
61    bool m_explains_stop;
62
63    typedef std::map<lldb::addr_t,lldb::break_id_t> until_collection;
64    until_collection m_until_points;
65    bool m_stop_others;
66
67    void Clear();
68
69    friend ThreadPlan *
70    Thread::QueueThreadPlanForStepUntil (bool abort_other_plans,
71                                         lldb::addr_t *address_list,
72                                         size_t num_addresses,
73                                         bool stop_others,
74                                         uint32_t frame_idx);
75
76    // Need an appropriate marker for the current stack so we can tell step out
77    // from step in.
78
79    DISALLOW_COPY_AND_ASSIGN (ThreadPlanStepUntil);
80
81};
82
83} // namespace lldb_private
84
85#endif  // liblldb_ThreadPlanStepUntil_h_
86