1 //===-- RegisterContextPOSIX_arm64.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 LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_ARM64_H
10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_ARM64_H
11 
12 #include "RegisterInfoInterface.h"
13 #include "RegisterInfoPOSIX_arm64.h"
14 #include "lldb-arm64-register-enums.h"
15 #include "lldb/Target/RegisterContext.h"
16 #include "lldb/Utility/Log.h"
17 
18 class ProcessMonitor;
19 
20 class RegisterContextPOSIX_arm64 : public lldb_private::RegisterContext {
21 public:
22   RegisterContextPOSIX_arm64(
23       lldb_private::Thread &thread,
24       std::unique_ptr<RegisterInfoPOSIX_arm64> register_info);
25 
26   ~RegisterContextPOSIX_arm64() override;
27 
28   void Invalidate();
29 
30   void InvalidateAllRegisters() override;
31 
32   size_t GetRegisterCount() override;
33 
34   virtual size_t GetGPRSize();
35 
36   virtual unsigned GetRegisterSize(unsigned reg);
37 
38   virtual unsigned GetRegisterOffset(unsigned reg);
39 
40   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
41 
42   size_t GetRegisterSetCount() override;
43 
44   const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
45 
46   const char *GetRegisterName(unsigned reg);
47 
48 protected:
49   uint64_t m_gpr_arm64[lldb_private::k_num_gpr_registers_arm64]; // 64-bit
50                                                                  // general
51                                                                  // purpose
52                                                                  // registers.
53 
54   struct RegisterInfoPOSIX_arm64::FPU
55       m_fpr; // floating-point registers including extended register sets.
56   std::unique_ptr<RegisterInfoPOSIX_arm64> m_register_info_up;
57 
58   virtual const lldb_private::RegisterInfo *GetRegisterInfo();
59 
60   bool IsGPR(unsigned reg);
61 
62   bool IsFPR(unsigned reg);
63 
64   size_t GetFPUSize() { return sizeof(RegisterInfoPOSIX_arm64::FPU); }
65 
66   virtual bool ReadGPR() = 0;
67   virtual bool ReadFPR() = 0;
68   virtual bool WriteGPR() = 0;
69   virtual bool WriteFPR() = 0;
70 };
71 
72 #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_ARM64_H
73