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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
|
// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/v8.h"
#if V8_TARGET_ARCH_MIPS
#include "src/interface-descriptors.h"
namespace v8 {
namespace internal {
const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
const Register LoadDescriptor::ReceiverRegister() { return a1; }
const Register LoadDescriptor::NameRegister() { return a2; }
const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return a0; }
const Register VectorLoadICDescriptor::VectorRegister() { return a3; }
const Register StoreDescriptor::ReceiverRegister() { return a1; }
const Register StoreDescriptor::NameRegister() { return a2; }
const Register StoreDescriptor::ValueRegister() { return a0; }
const Register ElementTransitionAndStoreDescriptor::MapRegister() { return a3; }
const Register InstanceofDescriptor::left() { return a0; }
const Register InstanceofDescriptor::right() { return a1; }
const Register ArgumentsAccessReadDescriptor::index() { return a1; }
const Register ArgumentsAccessReadDescriptor::parameter_count() { return a0; }
const Register ApiGetterDescriptor::function_address() { return a2; }
const Register MathPowTaggedDescriptor::exponent() { return a2; }
const Register MathPowIntegerDescriptor::exponent() {
return MathPowTaggedDescriptor::exponent();
}
void FastNewClosureDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a2};
data->Initialize(arraysize(registers), registers, NULL);
}
void FastNewContextDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a1};
data->Initialize(arraysize(registers), registers, NULL);
}
void ToNumberDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void NumberToStringDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void FastCloneShallowArrayDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a3, a2, a1};
Representation representations[] = {
Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
Representation::Tagged()};
data->Initialize(arraysize(registers), registers, representations);
}
void FastCloneShallowObjectDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a3, a2, a1, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void CreateAllocationSiteDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a2, a3};
data->Initialize(arraysize(registers), registers, NULL);
}
void StoreArrayLiteralElementDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a3, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void CallFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a1};
data->Initialize(arraysize(registers), registers, NULL);
}
void CallFunctionWithFeedbackDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a1, a3};
Representation representations[] = {Representation::Tagged(),
Representation::Tagged(),
Representation::Smi()};
data->Initialize(arraysize(registers), registers, representations);
}
void CallConstructDescriptor::Initialize(CallInterfaceDescriptorData* data) {
// a0 : number of arguments
// a1 : the function to call
// a2 : feedback vector
// a3 : (only if a2 is not the megamorphic symbol) slot in feedback
// vector (Smi)
// TODO(turbofan): So far we don't gather type feedback and hence skip the
// slot parameter, but ArrayConstructStub needs the vector to be undefined.
Register registers[] = {cp, a0, a1, a2};
data->Initialize(arraysize(registers), registers, NULL);
}
void RegExpConstructResultDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a2, a1, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void TransitionElementsKindDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a0, a1};
data->Initialize(arraysize(registers), registers, NULL);
}
void ArrayConstructorConstantArgCountDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// register state
// cp -- context
// a0 -- number of arguments
// a1 -- function
// a2 -- allocation site with elements kind
Register registers[] = {cp, a1, a2};
data->Initialize(arraysize(registers), registers, NULL);
}
void ArrayConstructorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
// stack param count needs (constructor pointer, and single argument)
Register registers[] = {cp, a1, a2, a0};
Representation representations[] = {
Representation::Tagged(), Representation::Tagged(),
Representation::Tagged(), Representation::Integer32()};
data->Initialize(arraysize(registers), registers, representations);
}
void InternalArrayConstructorConstantArgCountDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// register state
// cp -- context
// a0 -- number of arguments
// a1 -- constructor function
Register registers[] = {cp, a1};
data->Initialize(arraysize(registers), registers, NULL);
}
void InternalArrayConstructorDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// stack param count needs (constructor pointer, and single argument)
Register registers[] = {cp, a1, a0};
Representation representations[] = {Representation::Tagged(),
Representation::Tagged(),
Representation::Integer32()};
data->Initialize(arraysize(registers), registers, representations);
}
void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void ToBooleanDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void BinaryOpDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a1, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void BinaryOpWithAllocationSiteDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a2, a1, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void StringAddDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {cp, a1, a0};
data->Initialize(arraysize(registers), registers, NULL);
}
void KeyedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
cp, // context
a2, // key
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // key
};
data->Initialize(arraysize(registers), registers, representations);
}
void NamedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
cp, // context
a2, // name
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // name
};
data->Initialize(arraysize(registers), registers, representations);
}
void CallHandlerDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
cp, // context
a0, // receiver
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // receiver
};
data->Initialize(arraysize(registers), registers, representations);
}
void ArgumentAdaptorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
cp, // context
a1, // JSFunction
a0, // actual number of arguments
a2, // expected number of arguments
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // JSFunction
Representation::Integer32(), // actual number of arguments
Representation::Integer32(), // expected number of arguments
};
data->Initialize(arraysize(registers), registers, representations);
}
void ApiFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
cp, // context
a0, // callee
t0, // call_data
a2, // holder
a1, // api_function_address
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // callee
Representation::Tagged(), // call_data
Representation::Tagged(), // holder
Representation::External(), // api_function_address
};
data->Initialize(arraysize(registers), registers, representations);
}
}
} // namespace v8::internal
#endif // V8_TARGET_ARCH_MIPS
|
