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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
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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3240 __ j(not_equal, &non_function_constructor); | 3240 __ j(not_equal, &non_function_constructor); |
3241 | 3241 |
3242 // eax now contains the constructor function. Grab the | 3242 // eax now contains the constructor function. Grab the |
3243 // instance class name from there. | 3243 // instance class name from there. |
3244 __ mov(eax, FieldOperand(eax, JSFunction::kSharedFunctionInfoOffset)); | 3244 __ mov(eax, FieldOperand(eax, JSFunction::kSharedFunctionInfoOffset)); |
3245 __ mov(eax, FieldOperand(eax, SharedFunctionInfo::kInstanceClassNameOffset)); | 3245 __ mov(eax, FieldOperand(eax, SharedFunctionInfo::kInstanceClassNameOffset)); |
3246 __ jmp(&done); | 3246 __ jmp(&done); |
3247 | 3247 |
3248 // Functions have class 'Function'. | 3248 // Functions have class 'Function'. |
3249 __ bind(&function); | 3249 __ bind(&function); |
3250 __ mov(eax, isolate()->factory()->function_class_string()); | 3250 __ mov(eax, isolate()->factory()->Function_string()); |
3251 __ jmp(&done); | 3251 __ jmp(&done); |
3252 | 3252 |
3253 // Objects with a non-function constructor have class 'Object'. | 3253 // Objects with a non-function constructor have class 'Object'. |
3254 __ bind(&non_function_constructor); | 3254 __ bind(&non_function_constructor); |
3255 __ mov(eax, isolate()->factory()->Object_string()); | 3255 __ mov(eax, isolate()->factory()->Object_string()); |
3256 __ jmp(&done); | 3256 __ jmp(&done); |
3257 | 3257 |
3258 // Non-JS objects have class null. | 3258 // Non-JS objects have class null. |
3259 __ bind(&null); | 3259 __ bind(&null); |
3260 __ mov(eax, isolate()->factory()->null_value()); | 3260 __ mov(eax, isolate()->factory()->null_value()); |
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4825 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4825 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4826 Assembler::target_address_at(call_target_address, | 4826 Assembler::target_address_at(call_target_address, |
4827 unoptimized_code)); | 4827 unoptimized_code)); |
4828 return OSR_AFTER_STACK_CHECK; | 4828 return OSR_AFTER_STACK_CHECK; |
4829 } | 4829 } |
4830 | 4830 |
4831 | 4831 |
4832 } } // namespace v8::internal | 4832 } } // namespace v8::internal |
4833 | 4833 |
4834 #endif // V8_TARGET_ARCH_IA32 | 4834 #endif // V8_TARGET_ARCH_IA32 |
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