1 //===-- ThreadPlanStepInstruction.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_ThreadPlanStepInstruction_h_
10 #define liblldb_ThreadPlanStepInstruction_h_
11 
12 #include "lldb/Target/Thread.h"
13 #include "lldb/Target/ThreadPlan.h"
14 #include "lldb/lldb-private.h"
15 
16 namespace lldb_private {
17 
18 class ThreadPlanStepInstruction : public ThreadPlan {
19 public:
20   ThreadPlanStepInstruction(Thread &thread, bool step_over, bool stop_others,
21                             Vote stop_vote, Vote run_vote);
22 
23   ~ThreadPlanStepInstruction() override;
24 
25   void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
26   bool ValidatePlan(Stream *error) override;
27   bool ShouldStop(Event *event_ptr) override;
28   bool StopOthers() override;
29   lldb::StateType GetPlanRunState() override;
30   bool WillStop() override;
31   bool MischiefManaged() override;
32   bool IsPlanStale() override;
33 
34 protected:
35   bool DoPlanExplainsStop(Event *event_ptr) override;
36 
37   void SetUpState();
38 
39 private:
40   friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepSingleInstruction(
41       bool step_over, bool abort_other_plans, bool stop_other_threads,
42       Status &status);
43 
44   lldb::addr_t m_instruction_addr;
45   bool m_stop_other_threads;
46   bool m_step_over;
47   // These two are used only for the step over case.
48   bool m_start_has_symbol;
49   StackID m_stack_id;
50   StackID m_parent_frame_id;
51 
52   DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepInstruction);
53 };
54 
55 } // namespace lldb_private
56 
57 #endif // liblldb_ThreadPlanStepInstruction_h_
58