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