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

   1 //===-- NativeBreakpointList.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_NativeBreakpointList_h_
  11 #define liblldb_NativeBreakpointList_h_
  12
  13 #include "lldb/Utility/Status.h"
  14 #include "lldb/lldb-private-forward.h"
  15 // #include "lldb/Host/NativeBreakpoint.h"
  16
  17 #include <functional>
  18 #include <map>
  19 #include <mutex>
  20
  21 namespace lldb_private {
  22
  23 struct HardwareBreakpoint {
  24   lldb::addr_t m_addr;
  25   size_t m_size;
  26 };
  27
  28 using HardwareBreakpointMap = std::map<lldb::addr_t, HardwareBreakpoint>;
  29
  30 class NativeBreakpointList {
  31 public:
  32   typedef std::function<Status(lldb::addr_t addr, size_t size_hint,
  33                                bool hardware,
  34                                NativeBreakpointSP &breakpoint_sp)>
  35       CreateBreakpointFunc;
  36
  37   NativeBreakpointList();
  38
  39   Status AddRef(lldb::addr_t addr, size_t size_hint, bool hardware,
  40                 CreateBreakpointFunc create_func);
  41
  42   Status DecRef(lldb::addr_t addr);
  43
  44   Status EnableBreakpoint(lldb::addr_t addr);
  45
  46   Status DisableBreakpoint(lldb::addr_t addr);
  47
  48   Status GetBreakpoint(lldb::addr_t addr, NativeBreakpointSP &breakpoint_sp);
  49
  50   Status RemoveTrapsFromBuffer(lldb::addr_t addr, void *buf, size_t size) const;
  51
  52 private:
  53   typedef std::map<lldb::addr_t, NativeBreakpointSP> BreakpointMap;
  54
  55   std::recursive_mutex m_mutex;
  56   BreakpointMap m_breakpoints;
  57 };
  58 }
  59
  60 #endif // ifndef liblldb_NativeBreakpointList_h_