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

   1 //===-- ThreadPlanStepUntil.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_ThreadPlanStepUntil_h_
  11 #define liblldb_ThreadPlanStepUntil_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 ThreadPlanStepUntil : public ThreadPlan
  23 {
  24 public:
  25     ~ThreadPlanStepUntil() override;
  26
  27     void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
  28     bool ValidatePlan(Stream *error) override;
  29     bool ShouldStop(Event *event_ptr) override;
  30     bool StopOthers() override;
  31     lldb::StateType GetPlanRunState() override;
  32     bool WillStop() override;
  33     bool MischiefManaged() override;
  34
  35 protected:
  36     bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
  37     bool DoPlanExplainsStop(Event *event_ptr) override;
  38
  39     ThreadPlanStepUntil (Thread &thread,
  40                          lldb::addr_t *address_list,
  41                          size_t num_addresses,
  42                          bool stop_others,
  43                          uint32_t frame_idx = 0);
  44
  45     void AnalyzeStop();
  46
  47 private:
  48     StackID m_stack_id;
  49     lldb::addr_t m_step_from_insn;
  50     lldb::break_id_t m_return_bp_id;
  51     lldb::addr_t m_return_addr;
  52     bool m_stepped_out;
  53     bool m_should_stop;
  54     bool m_ran_analyze;
  55     bool m_explains_stop;
  56
  57     typedef std::map<lldb::addr_t,lldb::break_id_t> until_collection;
  58     until_collection m_until_points;
  59     bool m_stop_others;
  60
  61     void Clear();
  62
  63     friend lldb::ThreadPlanSP
  64     Thread::QueueThreadPlanForStepUntil (bool abort_other_plans,
  65                                          lldb::addr_t *address_list,
  66                                          size_t num_addresses,
  67                                          bool stop_others,
  68                                          uint32_t frame_idx);
  69
  70     // Need an appropriate marker for the current stack so we can tell step out
  71     // from step in.
  72
  73     DISALLOW_COPY_AND_ASSIGN (ThreadPlanStepUntil);
  74 };
  75
  76 } // namespace lldb_private
  77
  78 #endif // liblldb_ThreadPlanStepUntil_h_