1 //===-- RegisterContextPOSIX_s390x.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_RegisterContextPOSIX_s390x_h_
11 #define liblldb_RegisterContextPOSIX_s390x_h_
12 
13 // C Includes
14 // C++ Includes
15 // Other libraries and framework includes
16 // Project includes
17 #include "RegisterContext_s390x.h"
18 #include "RegisterInfoInterface.h"
19 #include "lldb-s390x-register-enums.h"
20 #include "lldb/Core/Log.h"
21 #include "lldb/Target/RegisterContext.h"
22 
23 class ProcessMonitor;
24 
25 class RegisterContextPOSIX_s390x : public lldb_private::RegisterContext {
26 public:
27   RegisterContextPOSIX_s390x(
28       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
29       lldb_private::RegisterInfoInterface *register_info);
30 
31   ~RegisterContextPOSIX_s390x() override;
32 
33   void Invalidate();
34 
35   void InvalidateAllRegisters() override;
36 
37   size_t GetRegisterCount() override;
38 
39   virtual unsigned GetRegisterSize(unsigned reg);
40 
41   virtual unsigned GetRegisterOffset(unsigned reg);
42 
43   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
44 
45   size_t GetRegisterSetCount() override;
46 
47   const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
48 
49   const char *GetRegisterName(unsigned reg);
50 
51   uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
52                                                uint32_t num) override;
53 
54 protected:
55   struct RegInfo {
56     uint32_t num_registers;
57     uint32_t num_gpr_registers;
58     uint32_t num_fpr_registers;
59 
60     uint32_t last_gpr;
61     uint32_t first_fpr;
62     uint32_t last_fpr;
63   };
64 
65   RegInfo m_reg_info;
66   std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_ap;
67 
68   virtual bool IsRegisterSetAvailable(size_t set_index);
69 
70   virtual const lldb_private::RegisterInfo *GetRegisterInfo();
71 
72   bool IsGPR(unsigned reg);
73 
74   bool IsFPR(unsigned reg);
75 
76   lldb::ByteOrder GetByteOrder();
77 
78   virtual bool ReadGPR() = 0;
79   virtual bool ReadFPR() = 0;
80   virtual bool WriteGPR() = 0;
81   virtual bool WriteFPR() = 0;
82 };
83 
84 #endif // liblldb_RegisterContextPOSIX_s390x_h_
85