1// Copyright 2012 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "src/v8.h"
6
7#if V8_TARGET_ARCH_MIPS64
8
9#include "src/interface-descriptors.h"
10
11namespace v8 {
12namespace internal {
13
14const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
15
16
17const Register LoadDescriptor::ReceiverRegister() { return a1; }
18const Register LoadDescriptor::NameRegister() { return a2; }
19
20
21const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return a0; }
22
23
24const Register VectorLoadICDescriptor::VectorRegister() { return a3; }
25
26
27const Register StoreDescriptor::ReceiverRegister() { return a1; }
28const Register StoreDescriptor::NameRegister() { return a2; }
29const Register StoreDescriptor::ValueRegister() { return a0; }
30
31
32const Register ElementTransitionAndStoreDescriptor::MapRegister() { return a3; }
33
34
35const Register InstanceofDescriptor::left() { return a0; }
36const Register InstanceofDescriptor::right() { return a1; }
37
38
39const Register ArgumentsAccessReadDescriptor::index() { return a1; }
40const Register ArgumentsAccessReadDescriptor::parameter_count() { return a0; }
41
42
43const Register ApiGetterDescriptor::function_address() { return a2; }
44
45
46const Register MathPowTaggedDescriptor::exponent() { return a2; }
47
48
49const Register MathPowIntegerDescriptor::exponent() {
50  return MathPowTaggedDescriptor::exponent();
51}
52
53
54void FastNewClosureDescriptor::Initialize(CallInterfaceDescriptorData* data) {
55  Register registers[] = {cp, a2};
56  data->Initialize(arraysize(registers), registers, NULL);
57}
58
59
60void FastNewContextDescriptor::Initialize(CallInterfaceDescriptorData* data) {
61  Register registers[] = {cp, a1};
62  data->Initialize(arraysize(registers), registers, NULL);
63}
64
65
66void ToNumberDescriptor::Initialize(CallInterfaceDescriptorData* data) {
67  Register registers[] = {cp, a0};
68  data->Initialize(arraysize(registers), registers, NULL);
69}
70
71
72void NumberToStringDescriptor::Initialize(CallInterfaceDescriptorData* data) {
73  Register registers[] = {cp, a0};
74  data->Initialize(arraysize(registers), registers, NULL);
75}
76
77
78void FastCloneShallowArrayDescriptor::Initialize(
79    CallInterfaceDescriptorData* data) {
80  Register registers[] = {cp, a3, a2, a1};
81  Representation representations[] = {
82      Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
83      Representation::Tagged()};
84  data->Initialize(arraysize(registers), registers, representations);
85}
86
87
88void FastCloneShallowObjectDescriptor::Initialize(
89    CallInterfaceDescriptorData* data) {
90  Register registers[] = {cp, a3, a2, a1, a0};
91  data->Initialize(arraysize(registers), registers, NULL);
92}
93
94
95void CreateAllocationSiteDescriptor::Initialize(
96    CallInterfaceDescriptorData* data) {
97  Register registers[] = {cp, a2, a3};
98  data->Initialize(arraysize(registers), registers, NULL);
99}
100
101
102void StoreArrayLiteralElementDescriptor::Initialize(
103    CallInterfaceDescriptorData* data) {
104  Register registers[] = {cp, a3, a0};
105  data->Initialize(arraysize(registers), registers, NULL);
106}
107
108
109void CallFunctionWithFeedbackDescriptor::Initialize(
110    CallInterfaceDescriptorData* data) {
111  Register registers[] = {cp, a1, a3};
112  Representation representations[] = {Representation::Tagged(),
113                                      Representation::Tagged(),
114                                      Representation::Smi()};
115  data->Initialize(arraysize(registers), registers, representations);
116}
117
118
119void CallFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
120  Register registers[] = {cp, a1};
121  data->Initialize(arraysize(registers), registers, NULL);
122}
123
124
125void CallConstructDescriptor::Initialize(CallInterfaceDescriptorData* data) {
126  // a0 : number of arguments
127  // a1 : the function to call
128  // a2 : feedback vector
129  // a3 : (only if a2 is not the megamorphic symbol) slot in feedback
130  //      vector (Smi)
131  // TODO(turbofan): So far we don't gather type feedback and hence skip the
132  // slot parameter, but ArrayConstructStub needs the vector to be undefined.
133  Register registers[] = {cp, a0, a1, a2};
134  data->Initialize(arraysize(registers), registers, NULL);
135}
136
137
138void RegExpConstructResultDescriptor::Initialize(
139    CallInterfaceDescriptorData* data) {
140  Register registers[] = {cp, a2, a1, a0};
141  data->Initialize(arraysize(registers), registers, NULL);
142}
143
144
145void TransitionElementsKindDescriptor::Initialize(
146    CallInterfaceDescriptorData* data) {
147  Register registers[] = {cp, a0, a1};
148  data->Initialize(arraysize(registers), registers, NULL);
149}
150
151
152void ArrayConstructorConstantArgCountDescriptor::Initialize(
153    CallInterfaceDescriptorData* data) {
154  // register state
155  // cp -- context
156  // a0 -- number of arguments
157  // a1 -- function
158  // a2 -- allocation site with elements kind
159  Register registers[] = {cp, a1, a2};
160  data->Initialize(arraysize(registers), registers, NULL);
161}
162
163
164void ArrayConstructorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
165  // stack param count needs (constructor pointer, and single argument)
166  Register registers[] = {cp, a1, a2, a0};
167  Representation representations[] = {
168      Representation::Tagged(), Representation::Tagged(),
169      Representation::Tagged(), Representation::Integer32()};
170  data->Initialize(arraysize(registers), registers, representations);
171}
172
173
174void InternalArrayConstructorConstantArgCountDescriptor::Initialize(
175    CallInterfaceDescriptorData* data) {
176  // register state
177  // cp -- context
178  // a0 -- number of arguments
179  // a1 -- constructor function
180  Register registers[] = {cp, a1};
181  data->Initialize(arraysize(registers), registers, NULL);
182}
183
184
185void InternalArrayConstructorDescriptor::Initialize(
186    CallInterfaceDescriptorData* data) {
187  // stack param count needs (constructor pointer, and single argument)
188  Register registers[] = {cp, a1, a0};
189  Representation representations[] = {Representation::Tagged(),
190                                      Representation::Tagged(),
191                                      Representation::Integer32()};
192  data->Initialize(arraysize(registers), registers, representations);
193}
194
195
196void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) {
197  Register registers[] = {cp, a0};
198  data->Initialize(arraysize(registers), registers, NULL);
199}
200
201
202void ToBooleanDescriptor::Initialize(CallInterfaceDescriptorData* data) {
203  Register registers[] = {cp, a0};
204  data->Initialize(arraysize(registers), registers, NULL);
205}
206
207
208void BinaryOpDescriptor::Initialize(CallInterfaceDescriptorData* data) {
209  Register registers[] = {cp, a1, a0};
210  data->Initialize(arraysize(registers), registers, NULL);
211}
212
213
214void BinaryOpWithAllocationSiteDescriptor::Initialize(
215    CallInterfaceDescriptorData* data) {
216  Register registers[] = {cp, a2, a1, a0};
217  data->Initialize(arraysize(registers), registers, NULL);
218}
219
220
221void StringAddDescriptor::Initialize(CallInterfaceDescriptorData* data) {
222  Register registers[] = {cp, a1, a0};
223  data->Initialize(arraysize(registers), registers, NULL);
224}
225
226
227void KeyedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
228  Register registers[] = {
229      cp,  // context
230      a2,  // key
231  };
232  Representation representations[] = {
233      Representation::Tagged(),  // context
234      Representation::Tagged(),  // key
235  };
236  data->Initialize(arraysize(registers), registers, representations);
237}
238
239
240void NamedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
241  Register registers[] = {
242      cp,  // context
243      a2,  // name
244  };
245  Representation representations[] = {
246      Representation::Tagged(),  // context
247      Representation::Tagged(),  // name
248  };
249  data->Initialize(arraysize(registers), registers, representations);
250}
251
252
253void CallHandlerDescriptor::Initialize(CallInterfaceDescriptorData* data) {
254  Register registers[] = {
255      cp,  // context
256      a0,  // receiver
257  };
258  Representation representations[] = {
259      Representation::Tagged(),  // context
260      Representation::Tagged(),  // receiver
261  };
262  data->Initialize(arraysize(registers), registers, representations);
263}
264
265
266void ArgumentAdaptorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
267  Register registers[] = {
268      cp,  // context
269      a1,  // JSFunction
270      a0,  // actual number of arguments
271      a2,  // expected number of arguments
272  };
273  Representation representations[] = {
274      Representation::Tagged(),     // context
275      Representation::Tagged(),     // JSFunction
276      Representation::Integer32(),  // actual number of arguments
277      Representation::Integer32(),  // expected number of arguments
278  };
279  data->Initialize(arraysize(registers), registers, representations);
280}
281
282
283void ApiFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
284  Register registers[] = {
285      cp,  // context
286      a0,  // callee
287      a4,  // call_data
288      a2,  // holder
289      a1,  // api_function_address
290  };
291  Representation representations[] = {
292      Representation::Tagged(),    // context
293      Representation::Tagged(),    // callee
294      Representation::Tagged(),    // call_data
295      Representation::Tagged(),    // holder
296      Representation::External(),  // api_function_address
297  };
298  data->Initialize(arraysize(registers), registers, representations);
299}
300}
301}  // namespace v8::internal
302
303#endif  // V8_TARGET_ARCH_MIPS64
304