1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
| //===-- AppleObjCRuntimeV1.h ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_AppleObjCRuntimeV1_h_
#define liblldb_AppleObjCRuntimeV1_h_
#include "AppleObjCRuntime.h"
#include "lldb/lldb-private.h"
#include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h"
namespace lldb_private {
class AppleObjCRuntimeV1 : public AppleObjCRuntime {
public:
~AppleObjCRuntimeV1() override = default;
// Static Functions
static void Initialize();
static void Terminate();
static lldb_private::LanguageRuntime *
CreateInstance(Process *process, lldb::LanguageType language);
static lldb_private::ConstString GetPluginNameStatic();
static char ID;
bool isA(const void *ClassID) const override {
return ClassID == &ID || AppleObjCRuntime::isA(ClassID);
}
static bool classof(const LanguageRuntime *runtime) {
return runtime->isA(&ID);
}
lldb::addr_t GetTaggedPointerObfuscator();
class ClassDescriptorV1 : public ObjCLanguageRuntime::ClassDescriptor {
public:
ClassDescriptorV1(ValueObject &isa_pointer);
ClassDescriptorV1(ObjCISA isa, lldb::ProcessSP process_sp);
~ClassDescriptorV1() override = default;
ConstString GetClassName() override { return m_name; }
ClassDescriptorSP GetSuperclass() override;
ClassDescriptorSP GetMetaclass() const override;
bool IsValid() override { return m_valid; }
// v1 does not support tagged pointers
bool GetTaggedPointerInfo(uint64_t *info_bits = nullptr,
uint64_t *value_bits = nullptr,
uint64_t *payload = nullptr) override {
return false;
}
uint64_t GetInstanceSize() override { return m_instance_size; }
ObjCISA GetISA() override { return m_isa; }
bool
Describe(std::function<void(ObjCLanguageRuntime::ObjCISA)> const
&superclass_func,
std::function<bool(const char *, const char *)> const
&instance_method_func,
std::function<bool(const char *, const char *)> const
&class_method_func,
std::function<bool(const char *, const char *, lldb::addr_t,
uint64_t)> const &ivar_func) const override;
protected:
void Initialize(ObjCISA isa, lldb::ProcessSP process_sp);
private:
ConstString m_name;
ObjCISA m_isa;
ObjCISA m_parent_isa;
bool m_valid;
lldb::ProcessWP m_process_wp;
uint64_t m_instance_size;
};
// These are generic runtime functions:
bool GetDynamicTypeAndAddress(ValueObject &in_value,
lldb::DynamicValueType use_dynamic,
TypeAndOrName &class_type_or_name,
Address &address,
Value::ValueType &value_type) override;
UtilityFunction *CreateObjectChecker(const char *) override;
// PluginInterface protocol
ConstString GetPluginName() override;
uint32_t GetPluginVersion() override;
ObjCRuntimeVersions GetRuntimeVersion() const override {
return ObjCRuntimeVersions::eAppleObjC_V1;
}
void UpdateISAToDescriptorMapIfNeeded() override;
DeclVendor *GetDeclVendor() override;
protected:
lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt,
bool catch_bp,
bool throw_bp) override;
class HashTableSignature {
public:
HashTableSignature()
: m_count(0), m_num_buckets(0), m_buckets_ptr(LLDB_INVALID_ADDRESS) {}
bool NeedsUpdate(uint32_t count, uint32_t num_buckets,
lldb::addr_t buckets_ptr) {
return m_count != count || m_num_buckets != num_buckets ||
m_buckets_ptr != buckets_ptr;
}
void UpdateSignature(uint32_t count, uint32_t num_buckets,
lldb::addr_t buckets_ptr) {
m_count = count;
m_num_buckets = num_buckets;
m_buckets_ptr = buckets_ptr;
}
protected:
uint32_t m_count;
uint32_t m_num_buckets;
lldb::addr_t m_buckets_ptr;
};
lldb::addr_t GetISAHashTablePointer();
HashTableSignature m_hash_signature;
lldb::addr_t m_isa_hash_table_ptr;
std::unique_ptr<DeclVendor> m_decl_vendor_up;
private:
AppleObjCRuntimeV1(Process *process);
};
} // namespace lldb_private
#endif // liblldb_AppleObjCRuntimeV1_h_
|