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

   1 //===-- ThreadPlanStepThrough.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_ThreadPlanStepThrough_h_
  10 #define liblldb_ThreadPlanStepThrough_h_
  11
  12 #include "lldb/Target/Thread.h"
  13 #include "lldb/Target/ThreadPlan.h"
  14
  15 namespace lldb_private {
  16
  17 class ThreadPlanStepThrough : public ThreadPlan {
  18 public:
  19   ~ThreadPlanStepThrough() override;
  20
  21   void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
  22   bool ValidatePlan(Stream *error) override;
  23   bool ShouldStop(Event *event_ptr) override;
  24   bool StopOthers() override;
  25   lldb::StateType GetPlanRunState() override;
  26   bool WillStop() override;
  27   bool MischiefManaged() override;
  28   void DidPush() override;
  29
  30 protected:
  31   bool DoPlanExplainsStop(Event *event_ptr) override;
  32   bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
  33
  34   ThreadPlanStepThrough(Thread &thread, StackID &return_stack_id,
  35                         bool stop_others);
  36
  37   void LookForPlanToStepThroughFromCurrentPC();
  38
  39   bool HitOurBackstopBreakpoint();
  40
  41 private:
  42   friend lldb::ThreadPlanSP
  43   Thread::QueueThreadPlanForStepThrough(StackID &return_stack_id,
  44                                         bool abort_other_plans,
  45                                         bool stop_others, Status &status);
  46
  47   void ClearBackstopBreakpoint();
  48
  49   lldb::ThreadPlanSP m_sub_plan_sp;
  50   lldb::addr_t m_start_address;
  51   lldb::break_id_t m_backstop_bkpt_id;
  52   lldb::addr_t m_backstop_addr;
  53   StackID m_return_stack_id;
  54   bool m_stop_others;
  55
  56   DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepThrough);
  57 };
  58
  59 } // namespace lldb_private
  60
  61 #endif // liblldb_ThreadPlanStepThrough_h_