contrib/llvm/tools/lldb/include/lldb/Target/ThreadPlanStepThrough.h

   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 #include "lldb/Target/Thread.h"
  14 #include "lldb/Target/ThreadPlan.h"
  15
  16 namespace lldb_private {
  17
  18 class ThreadPlanStepThrough : public ThreadPlan {
  19 public:
  20   ~ThreadPlanStepThrough() override;
  21
  22   void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
  23   bool ValidatePlan(Stream *error) override;
  24   bool ShouldStop(Event *event_ptr) override;
  25   bool StopOthers() override;
  26   lldb::StateType GetPlanRunState() override;
  27   bool WillStop() override;
  28   bool MischiefManaged() override;
  29   void DidPush() override;
  30
  31 protected:
  32   bool DoPlanExplainsStop(Event *event_ptr) override;
  33   bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
  34
  35   ThreadPlanStepThrough(Thread &thread, StackID &return_stack_id,
  36                         bool stop_others);
  37
  38   void LookForPlanToStepThroughFromCurrentPC();
  39
  40   bool HitOurBackstopBreakpoint();
  41
  42 private:
  43   friend lldb::ThreadPlanSP
  44   Thread::QueueThreadPlanForStepThrough(StackID &return_stack_id,
  45                                         bool abort_other_plans,
  46                                         bool stop_others, Status &status);
  47
  48   void ClearBackstopBreakpoint();
  49
  50   lldb::ThreadPlanSP m_sub_plan_sp;
  51   lldb::addr_t m_start_address;
  52   lldb::break_id_t m_backstop_bkpt_id;
  53   lldb::addr_t m_backstop_addr;
  54   StackID m_return_stack_id;
  55   bool m_stop_others;
  56
  57   DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepThrough);
  58 };
  59
  60 } // namespace lldb_private
  61
  62 #endif // liblldb_ThreadPlanStepThrough_h_