1 //===-- RegisterContextPOSIXProcessMonitor_arm.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_RegisterContextPOSIXProcessMonitor_arm_H_
11 #define liblldb_RegisterContextPOSIXProcessMonitor_arm_H_
12 
13 #include "Plugins/Process/Utility/RegisterContextPOSIX_arm.h"
14 #include "RegisterContextPOSIX.h"
15 
16 class RegisterContextPOSIXProcessMonitor_arm : public RegisterContextPOSIX_arm,
17                                                public POSIXBreakpointProtocol {
18 public:
19   RegisterContextPOSIXProcessMonitor_arm(
20       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
21       lldb_private::RegisterInfoInterface *register_info);
22 
23 protected:
24   bool ReadGPR();
25 
26   bool ReadFPR();
27 
28   bool WriteGPR();
29 
30   bool WriteFPR();
31 
32   // lldb_private::RegisterContext
33   bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value);
34 
35   bool WriteRegister(const unsigned reg,
36                      const lldb_private::RegisterValue &value);
37 
38   bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
39                     lldb_private::RegisterValue &value);
40 
41   bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
42                      const lldb_private::RegisterValue &value);
43 
44   bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp);
45 
46   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp);
47 
48   uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read,
49                                  bool write);
50 
51   bool ClearHardwareWatchpoint(uint32_t hw_index);
52 
53   bool HardwareSingleStep(bool enable);
54 
55   // POSIXBreakpointProtocol
56   bool UpdateAfterBreakpoint();
57 
58   unsigned GetRegisterIndexFromOffset(unsigned offset);
59 
60   bool IsWatchpointHit(uint32_t hw_index);
61 
62   bool ClearWatchpointHits();
63 
64   lldb::addr_t GetWatchpointAddress(uint32_t hw_index);
65 
66   bool IsWatchpointVacant(uint32_t hw_index);
67 
68   bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read,
69                                       bool write, uint32_t hw_index);
70 
71   uint32_t NumSupportedHardwareWatchpoints();
72 
73 private:
74   ProcessMonitor &GetMonitor();
75 };
76 
77 #endif
78