1 | //===-- RegisterNumber.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_TARGET_REGISTERNUMBER_H |
10 | #define LLDB_TARGET_REGISTERNUMBER_H |
11 | |
12 | #include "lldb/lldb-private.h" |
13 | #include <map> |
14 | |
15 | /// A class to represent register numbers, and able to convert between |
16 | /// different register numbering schemes that may be used in a single |
17 | /// debug session. |
18 | |
19 | class RegisterNumber { |
20 | public: |
21 | RegisterNumber(lldb_private::Thread &thread, lldb::RegisterKind kind, |
22 | uint32_t num); |
23 | |
24 | // This constructor plus the init() method below allow for the placeholder |
25 | // creation of an invalid object initially, possibly to be filled in. It |
26 | // would be more consistent to have three Set* methods to set the three data |
27 | // that the object needs. |
28 | RegisterNumber(); |
29 | |
30 | void init(lldb_private::Thread &thread, lldb::RegisterKind kind, |
31 | uint32_t num); |
32 | |
33 | const RegisterNumber &operator=(const RegisterNumber &rhs); |
34 | |
35 | bool operator==(RegisterNumber &rhs); |
36 | |
37 | bool operator!=(RegisterNumber &rhs); |
38 | |
39 | bool IsValid() const; |
40 | |
41 | uint32_t GetAsKind(lldb::RegisterKind kind); |
42 | |
43 | uint32_t GetRegisterNumber() const; |
44 | |
45 | lldb::RegisterKind GetRegisterKind() const; |
46 | |
47 | const char *GetName(); |
48 | |
49 | private: |
50 | typedef std::map<lldb::RegisterKind, uint32_t> Collection; |
51 | |
52 | lldb::RegisterContextSP m_reg_ctx_sp; |
53 | uint32_t m_regnum = LLDB_INVALID_REGNUM; |
54 | lldb::RegisterKind m_kind = lldb::kNumRegisterKinds; |
55 | Collection m_kind_regnum_map; |
56 | const char *m_name = nullptr; |
57 | }; |
58 | |
59 | #endif // LLDB_TARGET_REGISTERNUMBER_H |
60 |