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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 #if V8_TARGET_ARCH_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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2189 __ LoadRoot(load_name, Heap::knext_stringRootIndex); 2189 __ LoadRoot(load_name, Heap::knext_stringRootIndex);
2190 __ Push(load_name); // "next" 2190 __ Push(load_name); // "next"
2191 __ Push(Operand(rsp, 2 * kPointerSize)); // iter 2191 __ Push(Operand(rsp, 2 * kPointerSize)); // iter
2192 __ Push(rax); // received 2192 __ Push(rax); // received
2193 2193
2194 // result = receiver[f](arg); 2194 // result = receiver[f](arg);
2195 __ bind(&l_call); 2195 __ bind(&l_call);
2196 __ movp(load_receiver, Operand(rsp, kPointerSize)); 2196 __ movp(load_receiver, Operand(rsp, kPointerSize));
2197 __ Move(LoadDescriptor::SlotRegister(), 2197 __ Move(LoadDescriptor::SlotRegister(),
2198 SmiFromSlot(expr->KeyedLoadFeedbackSlot())); 2198 SmiFromSlot(expr->KeyedLoadFeedbackSlot()));
2199 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2199 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
2200 CallIC(ic, TypeFeedbackId::None()); 2200 CallIC(ic, TypeFeedbackId::None());
2201 __ movp(rdi, rax); 2201 __ movp(rdi, rax);
2202 __ movp(Operand(rsp, 2 * kPointerSize), rdi); 2202 __ movp(Operand(rsp, 2 * kPointerSize), rdi);
2203 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); 2203 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
2204 __ CallStub(&stub); 2204 __ CallStub(&stub);
2205 2205
2206 __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 2206 __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
2207 __ Drop(1); // The function is still on the stack; drop it. 2207 __ Drop(1); // The function is still on the stack; drop it.
2208 2208
2209 // if (!result.done) goto l_try; 2209 // if (!result.done) goto l_try;
(...skipping 147 matching lines...) Expand 10 before | Expand all | Expand 10 after
2357 2357
2358 2358
2359 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { 2359 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
2360 SetSourcePosition(prop->position()); 2360 SetSourcePosition(prop->position());
2361 Literal* key = prop->key()->AsLiteral(); 2361 Literal* key = prop->key()->AsLiteral();
2362 DCHECK(!prop->IsSuperAccess()); 2362 DCHECK(!prop->IsSuperAccess());
2363 2363
2364 __ Move(LoadDescriptor::NameRegister(), key->value()); 2364 __ Move(LoadDescriptor::NameRegister(), key->value());
2365 __ Move(LoadDescriptor::SlotRegister(), 2365 __ Move(LoadDescriptor::SlotRegister(),
2366 SmiFromSlot(prop->PropertyFeedbackSlot())); 2366 SmiFromSlot(prop->PropertyFeedbackSlot()));
2367 CallLoadIC(NOT_CONTEXTUAL); 2367 CallLoadIC(NOT_CONTEXTUAL, language_mode());
2368 } 2368 }
2369 2369
2370 2370
2371 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { 2371 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
2372 // Stack: receiver, home_object 2372 // Stack: receiver, home_object
2373 SetSourcePosition(prop->position()); 2373 SetSourcePosition(prop->position());
2374 Literal* key = prop->key()->AsLiteral(); 2374 Literal* key = prop->key()->AsLiteral();
2375 DCHECK(!key->value()->IsSmi()); 2375 DCHECK(!key->value()->IsSmi());
2376 DCHECK(prop->IsSuperAccess()); 2376 DCHECK(prop->IsSuperAccess());
2377 2377
2378 __ Push(key->value()); 2378 __ Push(key->value());
2379 __ CallRuntime(Runtime::kLoadFromSuper, 3); 2379 __ Push(Smi::FromInt(language_mode()));
2380 __ CallRuntime(Runtime::kLoadFromSuper, 4);
2380 } 2381 }
2381 2382
2382 2383
2383 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { 2384 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
2384 SetSourcePosition(prop->position()); 2385 SetSourcePosition(prop->position());
2385 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2386 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), language_mode()).code();
2386 __ Move(LoadDescriptor::SlotRegister(), 2387 __ Move(LoadDescriptor::SlotRegister(),
2387 SmiFromSlot(prop->PropertyFeedbackSlot())); 2388 SmiFromSlot(prop->PropertyFeedbackSlot()));
2388 CallIC(ic); 2389 CallIC(ic);
2389 } 2390 }
2390 2391
2391 2392
2392 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { 2393 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
2393 // Stack: receiver, home_object, key. 2394 // Stack: receiver, home_object, key.
2395 __ Push(Smi::FromInt(language_mode()));
2394 SetSourcePosition(prop->position()); 2396 SetSourcePosition(prop->position());
2395 2397
2396 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); 2398 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
2397 } 2399 }
2398 2400
2399 2401
2400 void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr, 2402 void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
2401 Token::Value op, 2403 Token::Value op,
2402 Expression* left, 2404 Expression* left,
2403 Expression* right) { 2405 Expression* right) {
2404 // Do combined smi check of the operands. Left operand is on the 2406 // Do combined smi check of the operands. Left operand is on the
2405 // stack (popped into rdx). Right operand is in rax but moved into 2407 // stack (popped into rdx). Right operand is in rax but moved into
2406 // rcx to make the shifts easier. 2408 // rcx to make the shifts easier.
(...skipping 475 matching lines...) Expand 10 before | Expand all | Expand 10 after
2882 Literal* key = prop->key()->AsLiteral(); 2884 Literal* key = prop->key()->AsLiteral();
2883 DCHECK(!key->value()->IsSmi()); 2885 DCHECK(!key->value()->IsSmi());
2884 // Load the function from the receiver. 2886 // Load the function from the receiver.
2885 SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference(); 2887 SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference();
2886 VisitForStackValue(super_ref->home_object()); 2888 VisitForStackValue(super_ref->home_object());
2887 VisitForAccumulatorValue(super_ref->this_var()); 2889 VisitForAccumulatorValue(super_ref->this_var());
2888 __ Push(rax); 2890 __ Push(rax);
2889 __ Push(rax); 2891 __ Push(rax);
2890 __ Push(Operand(rsp, kPointerSize * 2)); 2892 __ Push(Operand(rsp, kPointerSize * 2));
2891 __ Push(key->value()); 2893 __ Push(key->value());
2894 __ Push(Smi::FromInt(language_mode()));
2892 2895
2893 // Stack here: 2896 // Stack here:
2894 // - home_object 2897 // - home_object
2895 // - this (receiver) 2898 // - this (receiver)
2896 // - this (receiver) <-- LoadFromSuper will pop here and below. 2899 // - this (receiver) <-- LoadFromSuper will pop here and below.
2897 // - home_object 2900 // - home_object
2898 // - key 2901 // - key
2899 __ CallRuntime(Runtime::kLoadFromSuper, 3); 2902 // - language_mode
2903 __ CallRuntime(Runtime::kLoadFromSuper, 4);
2900 2904
2901 // Replace home_object with target function. 2905 // Replace home_object with target function.
2902 __ movp(Operand(rsp, kPointerSize), rax); 2906 __ movp(Operand(rsp, kPointerSize), rax);
2903 2907
2904 // Stack here: 2908 // Stack here:
2905 // - target function 2909 // - target function
2906 // - this (receiver) 2910 // - this (receiver)
2907 EmitCall(expr, CallICState::METHOD); 2911 EmitCall(expr, CallICState::METHOD);
2908 } 2912 }
2909 2913
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2939 2943
2940 SetSourcePosition(prop->position()); 2944 SetSourcePosition(prop->position());
2941 // Load the function from the receiver. 2945 // Load the function from the receiver.
2942 SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference(); 2946 SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference();
2943 VisitForStackValue(super_ref->home_object()); 2947 VisitForStackValue(super_ref->home_object());
2944 VisitForAccumulatorValue(super_ref->this_var()); 2948 VisitForAccumulatorValue(super_ref->this_var());
2945 __ Push(rax); 2949 __ Push(rax);
2946 __ Push(rax); 2950 __ Push(rax);
2947 __ Push(Operand(rsp, kPointerSize * 2)); 2951 __ Push(Operand(rsp, kPointerSize * 2));
2948 VisitForStackValue(prop->key()); 2952 VisitForStackValue(prop->key());
2953 __ Push(Smi::FromInt(language_mode()));
2949 2954
2950 // Stack here: 2955 // Stack here:
2951 // - home_object 2956 // - home_object
2952 // - this (receiver) 2957 // - this (receiver)
2953 // - this (receiver) <-- LoadKeyedFromSuper will pop here and below. 2958 // - this (receiver) <-- LoadKeyedFromSuper will pop here and below.
2954 // - home_object 2959 // - home_object
2955 // - key 2960 // - key
2956 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); 2961 // - language_mode
2962 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 4);
2957 2963
2958 // Replace home_object with target function. 2964 // Replace home_object with target function.
2959 __ movp(Operand(rsp, kPointerSize), rax); 2965 __ movp(Operand(rsp, kPointerSize), rax);
2960 2966
2961 // Stack here: 2967 // Stack here:
2962 // - target function 2968 // - target function
2963 // - this (receiver) 2969 // - this (receiver)
2964 EmitCall(expr, CallICState::METHOD); 2970 EmitCall(expr, CallICState::METHOD);
2965 } 2971 }
2966 2972
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5503 Assembler::target_address_at(call_target_address, 5509 Assembler::target_address_at(call_target_address,
5504 unoptimized_code)); 5510 unoptimized_code));
5505 return OSR_AFTER_STACK_CHECK; 5511 return OSR_AFTER_STACK_CHECK;
5506 } 5512 }
5507 5513
5508 5514
5509 } // namespace internal 5515 } // namespace internal
5510 } // namespace v8 5516 } // namespace v8
5511 5517
5512 #endif // V8_TARGET_ARCH_X64 5518 #endif // V8_TARGET_ARCH_X64
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