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1 // Copyright 2012 the V8 project authors. All rights reserved. | 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 | 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_ARM | 5 #if V8_TARGET_ARCH_ARM |
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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252 SetVar(this_function_var, r1, r0, r2); | 252 SetVar(this_function_var, r1, r0, r2); |
253 } | 253 } |
254 | 254 |
255 // Possibly set up a local binding to the new target value. | 255 // Possibly set up a local binding to the new target value. |
256 Variable* new_target_var = scope()->new_target_var(); | 256 Variable* new_target_var = scope()->new_target_var(); |
257 if (new_target_var != nullptr) { | 257 if (new_target_var != nullptr) { |
258 Comment cmnt(masm_, "[ new.target"); | 258 Comment cmnt(masm_, "[ new.target"); |
259 SetVar(new_target_var, r3, r0, r2); | 259 SetVar(new_target_var, r3, r0, r2); |
260 } | 260 } |
261 | 261 |
| 262 // Possibly allocate RestParameters |
| 263 int rest_index; |
| 264 Variable* rest_param = scope()->rest_parameter(&rest_index); |
| 265 if (rest_param) { |
| 266 Comment cmnt(masm_, "[ Allocate rest parameter array"); |
| 267 |
| 268 int num_parameters = info->scope()->num_parameters(); |
| 269 int offset = num_parameters * kPointerSize; |
| 270 |
| 271 __ add(r3, fp, Operand(StandardFrameConstants::kCallerSPOffset + offset)); |
| 272 __ mov(r2, Operand(Smi::FromInt(num_parameters))); |
| 273 __ mov(r1, Operand(Smi::FromInt(rest_index))); |
| 274 __ mov(r0, Operand(Smi::FromInt(language_mode()))); |
| 275 __ Push(r3, r2, r1, r0); |
| 276 function_in_register_r1 = false; |
| 277 |
| 278 RestParamAccessStub stub(isolate()); |
| 279 __ CallStub(&stub); |
| 280 |
| 281 SetVar(rest_param, r0, r1, r2); |
| 282 } |
| 283 |
262 Variable* arguments = scope()->arguments(); | 284 Variable* arguments = scope()->arguments(); |
263 if (arguments != NULL) { | 285 if (arguments != NULL) { |
264 // Function uses arguments object. | 286 // Function uses arguments object. |
265 Comment cmnt(masm_, "[ Allocate arguments object"); | 287 Comment cmnt(masm_, "[ Allocate arguments object"); |
266 DCHECK(r1.is(ArgumentsAccessNewDescriptor::function())); | 288 DCHECK(r1.is(ArgumentsAccessNewDescriptor::function())); |
267 if (!function_in_register_r1) { | 289 if (!function_in_register_r1) { |
268 // Load this again, if it's used by the local context below. | 290 // Load this again, if it's used by the local context below. |
269 __ ldr(r1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 291 __ ldr(r1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
270 } | 292 } |
271 // Receiver is just before the parameters on the caller's stack. | 293 // Receiver is just before the parameters on the caller's stack. |
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4898 DCHECK(interrupt_address == | 4920 DCHECK(interrupt_address == |
4899 isolate->builtins()->OsrAfterStackCheck()->entry()); | 4921 isolate->builtins()->OsrAfterStackCheck()->entry()); |
4900 return OSR_AFTER_STACK_CHECK; | 4922 return OSR_AFTER_STACK_CHECK; |
4901 } | 4923 } |
4902 | 4924 |
4903 | 4925 |
4904 } // namespace internal | 4926 } // namespace internal |
4905 } // namespace v8 | 4927 } // namespace v8 |
4906 | 4928 |
4907 #endif // V8_TARGET_ARCH_ARM | 4929 #endif // V8_TARGET_ARCH_ARM |
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