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/Target/RegisterContext.h"
15 #include "lldb/Utility/Log.h"
16 
17 class ProcessMonitor;
18 
19 class RegisterContextPOSIX_arm64 : public lldb_private::RegisterContext {
20 public:
21   RegisterContextPOSIX_arm64(
22       lldb_private::Thread &thread,
23       std::unique_ptr<RegisterInfoPOSIX_arm64> register_info);
24 
25   ~RegisterContextPOSIX_arm64() override;
26 
27   void Invalidate();
28 
29   void InvalidateAllRegisters() override;
30 
31   size_t GetRegisterCount() override;
32 
33   virtual size_t GetGPRSize();
34 
35   virtual unsigned GetRegisterSize(unsigned reg);
36 
37   virtual unsigned GetRegisterOffset(unsigned reg);
38 
39   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
40 
41   size_t GetRegisterSetCount() override;
42 
43   const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
44 
45   const char *GetRegisterName(unsigned reg);
46 
47 protected:
48   std::unique_ptr<RegisterInfoPOSIX_arm64> m_register_info_up;
49 
50   virtual const lldb_private::RegisterInfo *GetRegisterInfo();
51 
52   bool IsGPR(unsigned reg);
53 
54   bool IsFPR(unsigned reg);
55 
56   size_t GetFPUSize() { return sizeof(RegisterInfoPOSIX_arm64::FPU); }
57 
58   bool IsSVE(unsigned reg) const;
59 
60   bool IsSVEZ(unsigned reg) const { return m_register_info_up->IsSVEZReg(reg); }
61   bool IsSVEP(unsigned reg) const { return m_register_info_up->IsSVEPReg(reg); }
62   bool IsSVEVG(unsigned reg) const {
63     return m_register_info_up->IsSVERegVG(reg);
64   }
65 
66   uint32_t GetRegNumSVEZ0() const {
67     return m_register_info_up->GetRegNumSVEZ0();
68   }
69   uint32_t GetRegNumSVEFFR() const {
70     return m_register_info_up->GetRegNumSVEFFR();
71   }
72   uint32_t GetRegNumFPCR() const { return m_register_info_up->GetRegNumFPCR(); }
73   uint32_t GetRegNumFPSR() const { return m_register_info_up->GetRegNumFPSR(); }
74 
75   virtual bool ReadGPR() = 0;
76   virtual bool ReadFPR() = 0;
77   virtual bool WriteGPR() = 0;
78   virtual bool WriteFPR() = 0;
79 };
80 
81 #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_ARM64_H
82