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