contrib/llvm/tools/lldb/include/lldb/Host/common/NativeBreakpoint.h

   1 //===-- NativeBreakpoint.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_NativeBreakpoint_h_
  11 #define liblldb_NativeBreakpoint_h_
  12
  13 #include "lldb/lldb-types.h"
  14
  15 namespace lldb_private {
  16 class NativeBreakpointList;
  17
  18 class NativeBreakpoint {
  19   friend class NativeBreakpointList;
  20
  21 public:
  22   // The assumption is that derived breakpoints are enabled when created.
  23   NativeBreakpoint(lldb::addr_t addr);
  24
  25   virtual ~NativeBreakpoint();
  26
  27   Status Enable();
  28
  29   Status Disable();
  30
  31   lldb::addr_t GetAddress() const { return m_addr; }
  32
  33   bool IsEnabled() const { return m_enabled; }
  34
  35   virtual bool IsSoftwareBreakpoint() const = 0;
  36
  37 protected:
  38   const lldb::addr_t m_addr;
  39   int32_t m_ref_count;
  40
  41   virtual Status DoEnable() = 0;
  42
  43   virtual Status DoDisable() = 0;
  44
  45 private:
  46   bool m_enabled;
  47
  48   // ----------------------------------------------------------- interface for
  49   // NativeBreakpointList
  50   // -----------------------------------------------------------
  51   void AddRef();
  52   int32_t DecRef();
  53 };
  54 }
  55
  56 #endif // ifndef liblldb_NativeBreakpoint_h_