1 | //===-- ValueObjectRegister.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_CORE_VALUEOBJECTREGISTER_H |
10 | #define LLDB_CORE_VALUEOBJECTREGISTER_H |
11 | |
12 | #include "lldb/Core/ValueObject.h" |
13 | #include "lldb/Symbol/CompilerType.h" |
14 | #include "lldb/Utility/ConstString.h" |
15 | #include "lldb/Utility/RegisterValue.h" |
16 | #include "lldb/lldb-defines.h" |
17 | #include "lldb/lldb-enumerations.h" |
18 | #include "lldb/lldb-forward.h" |
19 | #include "lldb/lldb-private-types.h" |
20 | |
21 | #include <cstddef> |
22 | #include <cstdint> |
23 | #include <optional> |
24 | |
25 | namespace lldb_private { |
26 | class ; |
27 | class Status; |
28 | class ExecutionContextScope; |
29 | class Scalar; |
30 | class Stream; |
31 | |
32 | class ValueObjectRegisterSet : public ValueObject { |
33 | public: |
34 | ~ValueObjectRegisterSet() override; |
35 | |
36 | static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope, |
37 | lldb::RegisterContextSP ®_ctx_sp, |
38 | uint32_t set_idx); |
39 | |
40 | std::optional<uint64_t> GetByteSize() override; |
41 | |
42 | lldb::ValueType GetValueType() const override { |
43 | return lldb::eValueTypeRegisterSet; |
44 | } |
45 | |
46 | ConstString GetTypeName() override; |
47 | |
48 | ConstString GetQualifiedTypeName() override; |
49 | |
50 | size_t CalculateNumChildren(uint32_t max) override; |
51 | |
52 | ValueObject *CreateChildAtIndex(size_t idx, bool synthetic_array_member, |
53 | int32_t synthetic_index) override; |
54 | |
55 | lldb::ValueObjectSP GetChildMemberWithName(llvm::StringRef name, |
56 | bool can_create = true) override; |
57 | |
58 | size_t GetIndexOfChildWithName(llvm::StringRef name) override; |
59 | |
60 | protected: |
61 | bool UpdateValue() override; |
62 | |
63 | CompilerType GetCompilerTypeImpl() override; |
64 | |
65 | lldb::RegisterContextSP m_reg_ctx_sp; |
66 | const RegisterSet *m_reg_set; |
67 | uint32_t m_reg_set_idx; |
68 | |
69 | private: |
70 | friend class ValueObjectRegisterContext; |
71 | |
72 | ValueObjectRegisterSet(ExecutionContextScope *exe_scope, |
73 | ValueObjectManager &manager, |
74 | lldb::RegisterContextSP ®_ctx_sp, uint32_t set_idx); |
75 | |
76 | // For ValueObject only |
77 | ValueObjectRegisterSet(const ValueObjectRegisterSet &) = delete; |
78 | const ValueObjectRegisterSet & |
79 | operator=(const ValueObjectRegisterSet &) = delete; |
80 | }; |
81 | |
82 | class ValueObjectRegister : public ValueObject { |
83 | public: |
84 | ~ValueObjectRegister() override; |
85 | |
86 | static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope, |
87 | lldb::RegisterContextSP ®_ctx_sp, |
88 | const RegisterInfo *reg_info); |
89 | |
90 | std::optional<uint64_t> GetByteSize() override; |
91 | |
92 | lldb::ValueType GetValueType() const override { |
93 | return lldb::eValueTypeRegister; |
94 | } |
95 | |
96 | ConstString GetTypeName() override; |
97 | |
98 | size_t CalculateNumChildren(uint32_t max) override; |
99 | |
100 | bool SetValueFromCString(const char *value_str, Status &error) override; |
101 | |
102 | bool (DataExtractor &data, Status &error) override; |
103 | |
104 | bool ResolveValue(Scalar &scalar) override; |
105 | |
106 | void |
107 | GetExpressionPath(Stream &s, |
108 | GetExpressionPathFormat epformat = |
109 | eGetExpressionPathFormatDereferencePointers) override; |
110 | |
111 | protected: |
112 | bool UpdateValue() override; |
113 | |
114 | CompilerType GetCompilerTypeImpl() override; |
115 | |
116 | lldb::RegisterContextSP m_reg_ctx_sp; |
117 | RegisterInfo m_reg_info; |
118 | RegisterValue m_reg_value; |
119 | ConstString m_type_name; |
120 | CompilerType m_compiler_type; |
121 | |
122 | private: |
123 | void ConstructObject(const RegisterInfo *reg_info); |
124 | |
125 | friend class ValueObjectRegisterSet; |
126 | |
127 | ValueObjectRegister(ValueObject &parent, lldb::RegisterContextSP ®_ctx_sp, |
128 | const RegisterInfo *reg_info); |
129 | ValueObjectRegister(ExecutionContextScope *exe_scope, |
130 | ValueObjectManager &manager, |
131 | lldb::RegisterContextSP ®_ctx_sp, |
132 | const RegisterInfo *reg_info); |
133 | |
134 | // For ValueObject only |
135 | ValueObjectRegister(const ValueObjectRegister &) = delete; |
136 | const ValueObjectRegister &operator=(const ValueObjectRegister &) = delete; |
137 | }; |
138 | |
139 | } // namespace lldb_private |
140 | |
141 | #endif // LLDB_CORE_VALUEOBJECTREGISTER_H |
142 | |