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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_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/compiler.h" | 10 #include "src/compiler.h" |
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272 __ jmp(&done); | 272 __ jmp(&done); |
273 | 273 |
274 // Non-construct frame | 274 // Non-construct frame |
275 __ bind(&non_construct_frame); | 275 __ bind(&non_construct_frame); |
276 __ mov(eax, Immediate(isolate()->factory()->undefined_value())); | 276 __ mov(eax, Immediate(isolate()->factory()->undefined_value())); |
277 | 277 |
278 __ bind(&done); | 278 __ bind(&done); |
279 SetVar(new_target_var, eax, ebx, edx); | 279 SetVar(new_target_var, eax, ebx, edx); |
280 } | 280 } |
281 | 281 |
282 | |
283 // Possibly allocate RestParameters | |
284 int rest_index; | |
285 Variable* rest_param = scope()->rest_parameter(&rest_index); | |
286 if (rest_param) { | |
287 Comment cmnt(masm_, "[ Allocate rest parameter array"); | |
288 | |
289 int num_parameters = info->scope()->num_parameters(); | |
290 int offset = num_parameters * kPointerSize; | |
291 | |
292 __ lea(edx, | |
293 Operand(ebp, StandardFrameConstants::kCallerSPOffset + offset)); | |
294 __ push(edx); | |
295 __ push(Immediate(Smi::FromInt(num_parameters))); | |
296 __ push(Immediate(Smi::FromInt(rest_index))); | |
297 __ push(Immediate(Smi::FromInt(language_mode()))); | |
298 | |
299 RestParamAccessStub stub(isolate()); | |
300 __ CallStub(&stub); | |
301 | |
302 SetVar(rest_param, eax, ebx, edx); | |
303 } | |
304 | |
305 Variable* arguments = scope()->arguments(); | 282 Variable* arguments = scope()->arguments(); |
306 if (arguments != NULL) { | 283 if (arguments != NULL) { |
307 // Function uses arguments object. | 284 // Function uses arguments object. |
308 Comment cmnt(masm_, "[ Allocate arguments object"); | 285 Comment cmnt(masm_, "[ Allocate arguments object"); |
309 if (function_in_register) { | 286 if (function_in_register) { |
310 __ push(edi); | 287 __ push(edi); |
311 } else { | 288 } else { |
312 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 289 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
313 } | 290 } |
314 // Receiver is just before the parameters on the caller's stack. | 291 // Receiver is just before the parameters on the caller's stack. |
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5254 Assembler::target_address_at(call_target_address, | 5231 Assembler::target_address_at(call_target_address, |
5255 unoptimized_code)); | 5232 unoptimized_code)); |
5256 return OSR_AFTER_STACK_CHECK; | 5233 return OSR_AFTER_STACK_CHECK; |
5257 } | 5234 } |
5258 | 5235 |
5259 | 5236 |
5260 } // namespace internal | 5237 } // namespace internal |
5261 } // namespace v8 | 5238 } // namespace v8 |
5262 | 5239 |
5263 #endif // V8_TARGET_ARCH_IA32 | 5240 #endif // V8_TARGET_ARCH_IA32 |
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