1 //===-- RegisterContextDummy.h ----------------------------------------*- C++
2 //-*-===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTDUMMY_H
11 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTDUMMY_H
12 
13 #include <vector>
14 
15 #include "lldb/Symbol/SymbolContext.h"
16 #include "lldb/Target/RegisterContext.h"
17 #include "lldb/lldb-private.h"
18 
19 namespace lldb_private {
20 
21 class RegisterContextDummy : public lldb_private::RegisterContext {
22 public:
23   typedef std::shared_ptr<RegisterContextDummy> SharedPtr;
24 
25   RegisterContextDummy(Thread &thread, uint32_t concrete_frame_idx,
26                        uint32_t address_byte_size);
27 
28   ~RegisterContextDummy() override;
29 
30   void InvalidateAllRegisters() override;
31 
32   size_t GetRegisterCount() override;
33 
34   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
35 
36   size_t GetRegisterSetCount() override;
37 
38   const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;
39 
40   bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
41                     lldb_private::RegisterValue &value) override;
42 
43   bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
44                      const lldb_private::RegisterValue &value) override;
45 
46   bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
47 
48   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
49 
50   uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
51                                                uint32_t num) override;
52 
53 private:
54   // For RegisterContextLLDB only
55 
56   lldb_private::RegisterSet m_reg_set0; // register set 0 (PC only)
57   lldb_private::RegisterInfo m_pc_reg_info;
58 
59   RegisterContextDummy(const RegisterContextDummy &) = delete;
60   const RegisterContextDummy &operator=(const RegisterContextDummy &) = delete;
61 };
62 
63 } // namespace lldb_private
64 
65 #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTDUMMY_H
66