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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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255 SetVar(this_function_var, x1, x0, x2); | 255 SetVar(this_function_var, x1, x0, x2); |
256 } | 256 } |
257 | 257 |
258 // Possibly set up a local binding to the new target value. | 258 // Possibly set up a local binding to the new target value. |
259 Variable* new_target_var = scope()->new_target_var(); | 259 Variable* new_target_var = scope()->new_target_var(); |
260 if (new_target_var != nullptr) { | 260 if (new_target_var != nullptr) { |
261 Comment cmnt(masm_, "[ new.target"); | 261 Comment cmnt(masm_, "[ new.target"); |
262 SetVar(new_target_var, x3, x0, x2); | 262 SetVar(new_target_var, x3, x0, x2); |
263 } | 263 } |
264 | 264 |
| 265 // Possibly allocate RestParameters |
| 266 int rest_index; |
| 267 Variable* rest_param = scope()->rest_parameter(&rest_index); |
| 268 if (rest_param) { |
| 269 Comment cmnt(masm_, "[ Allocate rest parameter array"); |
| 270 |
| 271 int num_parameters = info->scope()->num_parameters(); |
| 272 int offset = num_parameters * kPointerSize; |
| 273 |
| 274 __ Add(x3, fp, StandardFrameConstants::kCallerSPOffset + offset); |
| 275 __ Mov(x2, Smi::FromInt(num_parameters)); |
| 276 __ Mov(x1, Smi::FromInt(rest_index)); |
| 277 __ Mov(x0, Smi::FromInt(language_mode())); |
| 278 __ Push(x3, x2, x1, x0); |
| 279 function_in_register_x1 = false; |
| 280 |
| 281 RestParamAccessStub stub(isolate()); |
| 282 __ CallStub(&stub); |
| 283 |
| 284 SetVar(rest_param, x0, x1, x2); |
| 285 } |
| 286 |
265 Variable* arguments = scope()->arguments(); | 287 Variable* arguments = scope()->arguments(); |
266 if (arguments != NULL) { | 288 if (arguments != NULL) { |
267 // Function uses arguments object. | 289 // Function uses arguments object. |
268 Comment cmnt(masm_, "[ Allocate arguments object"); | 290 Comment cmnt(masm_, "[ Allocate arguments object"); |
269 DCHECK(x1.is(ArgumentsAccessNewDescriptor::function())); | 291 DCHECK(x1.is(ArgumentsAccessNewDescriptor::function())); |
270 if (!function_in_register_x1) { | 292 if (!function_in_register_x1) { |
271 // Load this again, if it's used by the local context below. | 293 // Load this again, if it's used by the local context below. |
272 __ Ldr(x1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 294 __ Ldr(x1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
273 } | 295 } |
274 // Receiver is just before the parameters on the caller's stack. | 296 // Receiver is just before the parameters on the caller's stack. |
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4873 } | 4895 } |
4874 | 4896 |
4875 return INTERRUPT; | 4897 return INTERRUPT; |
4876 } | 4898 } |
4877 | 4899 |
4878 | 4900 |
4879 } // namespace internal | 4901 } // namespace internal |
4880 } // namespace v8 | 4902 } // namespace v8 |
4881 | 4903 |
4882 #endif // V8_TARGET_ARCH_ARM64 | 4904 #endif // V8_TARGET_ARCH_ARM64 |
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