1 //===-- RegisterContextPOSIXProcessMonitor_x86.h ----------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef liblldb_RegisterContextPOSIXProcessMonitor_x86_H_
10 #define liblldb_RegisterContextPOSIXProcessMonitor_x86_H_
11 
12 #include "Plugins/Process/Utility/RegisterContextPOSIX_x86.h"
13 #include "RegisterContextPOSIX.h"
14 #include <sys/uio.h>
15 
16 class RegisterContextPOSIXProcessMonitor_x86_64
17     : public RegisterContextPOSIX_x86,
18       public POSIXBreakpointProtocol {
19 public:
20   RegisterContextPOSIXProcessMonitor_x86_64(
21       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
22       lldb_private::RegisterInfoInterface *register_info);
23 
24 protected:
25   bool ReadGPR() override;
26 
27   bool ReadFPR() override;
28 
29   bool WriteGPR() override;
30 
31   bool WriteFPR() override;
32 
33   // lldb_private::RegisterContext
34   bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value);
35 
36   bool WriteRegister(const unsigned reg,
37                      const lldb_private::RegisterValue &value);
38 
39   bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
40                     lldb_private::RegisterValue &value) override;
41 
42   bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
43                      const lldb_private::RegisterValue &value) override;
44 
45   bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
46 
47   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
48 
49   uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read,
50                                  bool write) override;
51 
52   bool ClearHardwareWatchpoint(uint32_t hw_index) override;
53 
54   bool HardwareSingleStep(bool enable) override;
55 
56   // POSIXBreakpointProtocol
57   bool UpdateAfterBreakpoint() override;
58 
59   unsigned GetRegisterIndexFromOffset(unsigned offset) override;
60 
61   bool IsWatchpointHit(uint32_t hw_index) override;
62 
63   bool ClearWatchpointHits() override;
64 
65   lldb::addr_t GetWatchpointAddress(uint32_t hw_index) override;
66 
67   bool IsWatchpointVacant(uint32_t hw_index) override;
68 
69   bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read,
70                                       bool write, uint32_t hw_index) override;
71 
72   uint32_t NumSupportedHardwareWatchpoints() override;
73 
74 private:
75   ProcessMonitor &GetMonitor();
76   uint32_t
77       m_fctrl_offset_in_userarea; // Offset of 'fctrl' in 'UserArea' Structure
78   struct iovec m_iovec;
79 };
80 
81 #endif
82