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Issue 1189153002: Revert of [strong] Implement strong mode restrictions on property access (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 6 months ago
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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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM64 7 #if V8_TARGET_ARCH_ARM64
8 8
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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4501 4501
4502 void LoadICTrampolineStub::Generate(MacroAssembler* masm) { 4502 void LoadICTrampolineStub::Generate(MacroAssembler* masm) {
4503 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); 4503 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister());
4504 LoadICStub stub(isolate(), state()); 4504 LoadICStub stub(isolate(), state());
4505 stub.GenerateForTrampoline(masm); 4505 stub.GenerateForTrampoline(masm);
4506 } 4506 }
4507 4507
4508 4508
4509 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) { 4509 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
4510 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); 4510 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister());
4511 KeyedLoadICStub stub(isolate(), state()); 4511 KeyedLoadICStub stub(isolate());
4512 stub.GenerateForTrampoline(masm); 4512 stub.GenerateForTrampoline(masm);
4513 } 4513 }
4514 4514
4515 4515
4516 void CallICTrampolineStub::Generate(MacroAssembler* masm) { 4516 void CallICTrampolineStub::Generate(MacroAssembler* masm) {
4517 EmitLoadTypeFeedbackVector(masm, x2); 4517 EmitLoadTypeFeedbackVector(masm, x2);
4518 CallICStub stub(isolate(), state()); 4518 CallICStub stub(isolate(), state());
4519 __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET); 4519 __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
4520 } 4520 }
4521 4521
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4710 Label polymorphic, try_poly_name; 4710 Label polymorphic, try_poly_name;
4711 __ Bind(&polymorphic); 4711 __ Bind(&polymorphic);
4712 HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map, 4712 HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map,
4713 scratch1, x7, true, &miss); 4713 scratch1, x7, true, &miss);
4714 4714
4715 __ Bind(&not_array); 4715 __ Bind(&not_array);
4716 // Is it generic? 4716 // Is it generic?
4717 __ JumpIfNotRoot(feedback, Heap::kmegamorphic_symbolRootIndex, 4717 __ JumpIfNotRoot(feedback, Heap::kmegamorphic_symbolRootIndex,
4718 &try_poly_name); 4718 &try_poly_name);
4719 Handle<Code> megamorphic_stub = 4719 Handle<Code> megamorphic_stub =
4720 KeyedLoadIC::ChooseMegamorphicStub(masm->isolate(), GetExtraICState()); 4720 KeyedLoadIC::ChooseMegamorphicStub(masm->isolate());
4721 __ Jump(megamorphic_stub, RelocInfo::CODE_TARGET); 4721 __ Jump(megamorphic_stub, RelocInfo::CODE_TARGET);
4722 4722
4723 __ Bind(&try_poly_name); 4723 __ Bind(&try_poly_name);
4724 // We might have a name in feedback, and a fixed array in the next slot. 4724 // We might have a name in feedback, and a fixed array in the next slot.
4725 __ Cmp(key, feedback); 4725 __ Cmp(key, feedback);
4726 __ B(ne, &miss); 4726 __ B(ne, &miss);
4727 // If the name comparison succeeded, we know we have a fixed array with 4727 // If the name comparison succeeded, we know we have a fixed array with
4728 // at least one map/handler pair. 4728 // at least one map/handler pair.
4729 __ Add(feedback, vector, Operand::UntagSmiAndScale(slot, kPointerSizeLog2)); 4729 __ Add(feedback, vector, Operand::UntagSmiAndScale(slot, kPointerSizeLog2));
4730 __ Ldr(feedback, 4730 __ Ldr(feedback,
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5831 MemOperand(fp, 6 * kPointerSize), NULL); 5831 MemOperand(fp, 6 * kPointerSize), NULL);
5832 } 5832 }
5833 5833
5834 5834
5835 #undef __ 5835 #undef __
5836 5836
5837 } // namespace internal 5837 } // namespace internal
5838 } // namespace v8 5838 } // namespace v8
5839 5839
5840 #endif // V8_TARGET_ARCH_ARM64 5840 #endif // V8_TARGET_ARCH_ARM64
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