ThreadPlanStepThrough.h

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//===-- ThreadPlanStepThrough.h ---------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLDB_TARGET_THREADPLANSTEPTHROUGH_H
#define LLDB_TARGET_THREADPLANSTEPTHROUGH_H
 
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
 
namespace lldb_private {
 
class ThreadPlanStepThrough : public ThreadPlan {
public:
  ~ThreadPlanStepThrough() override;
 
  void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
  bool ValidatePlan(Stream *error) override;
  bool ShouldStop(Event *event_ptr) override;
  bool StopOthers() override;
  lldb::StateType GetPlanRunState() override;
  bool WillStop() override;
  bool MischiefManaged() override;
  void DidPush() override;
 
protected:
  bool DoPlanExplainsStop(Event *event_ptr) override;
  bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
 
  ThreadPlanStepThrough(Thread &thread, StackID &return_stack_id,
                        bool stop_others);
 
  void LookForPlanToStepThroughFromCurrentPC();
 
  bool HitOurBackstopBreakpoint();
 
private:
  friend lldb::ThreadPlanSP
  Thread::QueueThreadPlanForStepThrough(StackID &return_stack_id,
                                        bool abort_other_plans,
                                        bool stop_others, Status &status);
 
  void ClearBackstopBreakpoint();
 
  lldb::ThreadPlanSP m_sub_plan_sp;
  lldb::addr_t m_start_address;
  lldb::break_id_t m_backstop_bkpt_id;
  lldb::addr_t m_backstop_addr;
  StackID m_return_stack_id;
  bool m_stop_others;
 
  ThreadPlanStepThrough(const ThreadPlanStepThrough &) = delete;
  const ThreadPlanStepThrough &
  operator=(const ThreadPlanStepThrough &) = delete;
};
 
} // namespace lldb_private
 
#endif // LLDB_TARGET_THREADPLANSTEPTHROUGH_H