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Issue 1168093002: [strong] Implement strong mode restrictions on property access (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebase Created 5 years, 6 months ago
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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 #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/cpu-profiler.h" 9 #include "src/cpu-profiler.h"
10 #include "src/hydrogen-osr.h" 10 #include "src/hydrogen-osr.h"
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2963 2963
2964 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) { 2964 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
2965 DCHECK(ToRegister(instr->context()).is(cp)); 2965 DCHECK(ToRegister(instr->context()).is(cp));
2966 DCHECK(ToRegister(instr->global_object()) 2966 DCHECK(ToRegister(instr->global_object())
2967 .is(LoadDescriptor::ReceiverRegister())); 2967 .is(LoadDescriptor::ReceiverRegister()));
2968 DCHECK(ToRegister(instr->result()).is(v0)); 2968 DCHECK(ToRegister(instr->result()).is(v0));
2969 2969
2970 __ li(LoadDescriptor::NameRegister(), Operand(instr->name())); 2970 __ li(LoadDescriptor::NameRegister(), Operand(instr->name()));
2971 EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr); 2971 EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
2972 ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL; 2972 ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
2973 Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode, 2973 Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode, SLOPPY,
2974 PREMONOMORPHIC).code(); 2974 PREMONOMORPHIC).code();
2975 CallCode(ic, RelocInfo::CODE_TARGET, instr); 2975 CallCode(ic, RelocInfo::CODE_TARGET, instr);
2976 } 2976 }
2977 2977
2978 2978
2979 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) { 2979 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
2980 Register context = ToRegister(instr->context()); 2980 Register context = ToRegister(instr->context());
2981 Register result = ToRegister(instr->result()); 2981 Register result = ToRegister(instr->result());
2982 2982
2983 __ ld(result, ContextOperand(context, instr->slot_index())); 2983 __ ld(result, ContextOperand(context, instr->slot_index()));
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3078 3078
3079 3079
3080 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) { 3080 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
3081 DCHECK(ToRegister(instr->context()).is(cp)); 3081 DCHECK(ToRegister(instr->context()).is(cp));
3082 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister())); 3082 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
3083 DCHECK(ToRegister(instr->result()).is(v0)); 3083 DCHECK(ToRegister(instr->result()).is(v0));
3084 3084
3085 // Name is always in a2. 3085 // Name is always in a2.
3086 __ li(LoadDescriptor::NameRegister(), Operand(instr->name())); 3086 __ li(LoadDescriptor::NameRegister(), Operand(instr->name()));
3087 EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr); 3087 EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
3088 Handle<Code> ic = CodeFactory::LoadICInOptimizedCode( 3088 Handle<Code> ic =
3089 isolate(), NOT_CONTEXTUAL, 3089 CodeFactory::LoadICInOptimizedCode(
3090 instr->hydrogen()->initialization_state()).code(); 3090 isolate(), NOT_CONTEXTUAL, instr->hydrogen()->language_mode(),
3091 instr->hydrogen()->initialization_state()).code();
3091 CallCode(ic, RelocInfo::CODE_TARGET, instr); 3092 CallCode(ic, RelocInfo::CODE_TARGET, instr);
3092 } 3093 }
3093 3094
3094 3095
3095 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) { 3096 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
3096 Register scratch = scratch0(); 3097 Register scratch = scratch0();
3097 Register function = ToRegister(instr->function()); 3098 Register function = ToRegister(instr->function());
3098 Register result = ToRegister(instr->result()); 3099 Register result = ToRegister(instr->result());
3099 3100
3100 // Get the prototype or initial map from the function. 3101 // Get the prototype or initial map from the function.
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3447 3448
3448 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) { 3449 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
3449 DCHECK(ToRegister(instr->context()).is(cp)); 3450 DCHECK(ToRegister(instr->context()).is(cp));
3450 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister())); 3451 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
3451 DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister())); 3452 DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister()));
3452 3453
3453 if (instr->hydrogen()->HasVectorAndSlot()) { 3454 if (instr->hydrogen()->HasVectorAndSlot()) {
3454 EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr); 3455 EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
3455 } 3456 }
3456 3457
3457 Handle<Code> ic = 3458 Handle<Code> ic = CodeFactory::KeyedLoadICInOptimizedCode(
3458 CodeFactory::KeyedLoadICInOptimizedCode( 3459 isolate(), instr->hydrogen()->language_mode(),
3459 isolate(), instr->hydrogen()->initialization_state()).code(); 3460 instr->hydrogen()->initialization_state()).code();
3460 CallCode(ic, RelocInfo::CODE_TARGET, instr); 3461 CallCode(ic, RelocInfo::CODE_TARGET, instr);
3461 } 3462 }
3462 3463
3463 3464
3464 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) { 3465 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
3465 Register scratch = scratch0(); 3466 Register scratch = scratch0();
3466 Register temp = scratch1(); 3467 Register temp = scratch1();
3467 Register result = ToRegister(instr->result()); 3468 Register result = ToRegister(instr->result());
3468 3469
3469 if (instr->hydrogen()->from_inlined()) { 3470 if (instr->hydrogen()->from_inlined()) {
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6169 __ Push(at, ToRegister(instr->function())); 6170 __ Push(at, ToRegister(instr->function()));
6170 CallRuntime(Runtime::kPushBlockContext, 2, instr); 6171 CallRuntime(Runtime::kPushBlockContext, 2, instr);
6171 RecordSafepoint(Safepoint::kNoLazyDeopt); 6172 RecordSafepoint(Safepoint::kNoLazyDeopt);
6172 } 6173 }
6173 6174
6174 6175
6175 #undef __ 6176 #undef __
6176 6177
6177 } // namespace internal 6178 } // namespace internal
6178 } // namespace v8 6179 } // namespace v8
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