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 // C Includes
  14 // C++ Includes
  15 // Other libraries and framework includes
  16 // Project includes
  17 #include "lldb/Target/Thread.h"
  18 #include "lldb/Target/ThreadPlan.h"
  19
  20 namespace lldb_private {
  21
  22 class ThreadPlanStepThrough : public ThreadPlan {
  23 public:
  24   ~ThreadPlanStepThrough() override;
  25
  26   void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
  27   bool ValidatePlan(Stream *error) override;
  28   bool ShouldStop(Event *event_ptr) override;
  29   bool StopOthers() override;
  30   lldb::StateType GetPlanRunState() override;
  31   bool WillStop() override;
  32   bool MischiefManaged() override;
  33   void DidPush() override;
  34
  35 protected:
  36   bool DoPlanExplainsStop(Event *event_ptr) override;
  37   bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
  38
  39   ThreadPlanStepThrough(Thread &thread, StackID &return_stack_id,
  40                         bool stop_others);
  41
  42   void LookForPlanToStepThroughFromCurrentPC();
  43
  44   bool HitOurBackstopBreakpoint();
  45
  46 private:
  47   friend lldb::ThreadPlanSP
  48
  49   Thread::QueueThreadPlanForStepThrough(StackID &return_stack_id,
  50                                         bool abort_other_plans,
  51                                         bool stop_others);
  52
  53   void ClearBackstopBreakpoint();
  54
  55   lldb::ThreadPlanSP m_sub_plan_sp;
  56   lldb::addr_t m_start_address;
  57   lldb::break_id_t m_backstop_bkpt_id;
  58   lldb::addr_t m_backstop_addr;
  59   StackID m_return_stack_id;
  60   bool m_stop_others;
  61
  62   DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepThrough);
  63 };
  64
  65 } // namespace lldb_private
  66
  67 #endif // liblldb_ThreadPlanStepThrough_h_