lldb/Target/ThreadPlanStepThrough.h

0001 //===-- ThreadPlanStepThrough.h ---------------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLDB_TARGET_THREADPLANSTEPTHROUGH_H
0010 #define LLDB_TARGET_THREADPLANSTEPTHROUGH_H
0011
0012 #include "lldb/Target/Thread.h"
0013 #include "lldb/Target/ThreadPlan.h"
0014
0015 namespace lldb_private {
0016
0017 class ThreadPlanStepThrough : public ThreadPlan {
0018 public:
0019   ~ThreadPlanStepThrough() override;
0020
0021   void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
0022   bool ValidatePlan(Stream *error) override;
0023   bool ShouldStop(Event *event_ptr) override;
0024   bool StopOthers() override;
0025   lldb::StateType GetPlanRunState() override;
0026   bool WillStop() override;
0027   bool MischiefManaged() override;
0028   void DidPush() override;
0029
0030 protected:
0031   bool DoPlanExplainsStop(Event *event_ptr) override;
0032   bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
0033
0034   ThreadPlanStepThrough(Thread &thread, StackID &return_stack_id,
0035                         bool stop_others);
0036
0037   void LookForPlanToStepThroughFromCurrentPC();
0038
0039   bool HitOurBackstopBreakpoint();
0040
0041 private:
0042   friend lldb::ThreadPlanSP
0043   Thread::QueueThreadPlanForStepThrough(StackID &return_stack_id,
0044                                         bool abort_other_plans,
0045                                         bool stop_others, Status &status);
0046
0047   void ClearBackstopBreakpoint();
0048
0049   lldb::ThreadPlanSP m_sub_plan_sp;
0050   lldb::addr_t m_start_address;
0051   lldb::break_id_t m_backstop_bkpt_id;
0052   lldb::addr_t m_backstop_addr;
0053   StackID m_return_stack_id;
0054   bool m_stop_others;
0055
0056   ThreadPlanStepThrough(const ThreadPlanStepThrough &) = delete;
0057   const ThreadPlanStepThrough &
0058   operator=(const ThreadPlanStepThrough &) = delete;
0059 };
0060
0061 } // namespace lldb_private
0062
0063 #endif // LLDB_TARGET_THREADPLANSTEPTHROUGH_H