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 LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_S390X_H
10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_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 RegisterContextPOSIX_s390x : public lldb_private::RegisterContext {
19 public:
20   RegisterContextPOSIX_s390x(
21       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
22       lldb_private::RegisterInfoInterface *register_info);
23 
24   ~RegisterContextPOSIX_s390x() override;
25 
26   void Invalidate();
27 
28   void InvalidateAllRegisters() override;
29 
30   size_t GetRegisterCount() override;
31 
32   virtual unsigned GetRegisterSize(unsigned reg);
33 
34   virtual unsigned GetRegisterOffset(unsigned reg);
35 
36   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
37 
38   size_t GetRegisterSetCount() override;
39 
40   const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
41 
42   const char *GetRegisterName(unsigned reg);
43 
44 protected:
45   struct RegInfo {
46     uint32_t num_registers;
47     uint32_t num_gpr_registers;
48     uint32_t num_fpr_registers;
49 
50     uint32_t last_gpr;
51     uint32_t first_fpr;
52     uint32_t last_fpr;
53   };
54 
55   RegInfo m_reg_info;
56   std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_up;
57 
58   virtual bool IsRegisterSetAvailable(size_t set_index);
59 
60   virtual const lldb_private::RegisterInfo *GetRegisterInfo();
61 
62   bool IsGPR(unsigned reg);
63 
64   bool IsFPR(unsigned reg);
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_S390X_H
73