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Issue 1202963005: Fix receiver when calling eval() bound by with scope (Closed) Base URL: https://chromium.googlesource.com/v8/v8@master
Patch Set: Full-codegen impls for all arches Created 5 years, 6 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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_PPC 7 #if V8_TARGET_ARCH_PPC
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"
(...skipping 3107 matching lines...) Expand 10 before | Expand all | Expand 10 after
3118 __ beq(&uninitialized_this); 3118 __ beq(&uninitialized_this);
3119 __ mov(r4, Operand(this_var->name())); 3119 __ mov(r4, Operand(this_var->name()));
3120 __ push(r4); 3120 __ push(r4);
3121 __ CallRuntime(Runtime::kThrowReferenceError, 1); 3121 __ CallRuntime(Runtime::kThrowReferenceError, 1);
3122 __ bind(&uninitialized_this); 3122 __ bind(&uninitialized_this);
3123 3123
3124 EmitVariableAssignment(this_var, Token::INIT_CONST, slot); 3124 EmitVariableAssignment(this_var, Token::INIT_CONST, slot);
3125 } 3125 }
3126 3126
3127 3127
3128 // See http://www.ecma-international.org/ecma-262/6.0/#sec-function-calls.
3129 void FullCodeGenerator::PushCalleeAndWithBaseObject(Call* expr) {
3130 VariableProxy* callee = expr->expression()->AsVariableProxy();
3131 if (callee->var()->IsLookupSlot()) {
3132 Label slow, done;
3133
3134 {
3135 PreservePositionScope scope(masm()->positions_recorder());
3136 // Generate code for loading from variables potentially shadowed by
3137 // eval-introduced variables.
3138 EmitDynamicLookupFastCase(callee, NOT_INSIDE_TYPEOF, &slow, &done);
3139 }
3140 __ bind(&slow);
3141 // Call the runtime to find the function to call (returned in rax) and
3142 // the object holding it (returned in rdx).
3143 __ Push(context_register());
3144 __ Push(callee->name());
3145 __ CallRuntime(Runtime::kLoadLookupSlot, 2);
3146 __ Push(rax); // Function.
3147 __ Push(rdx); // Receiver.
3148 PrepareForBailoutForId(expr->LookupId(), NO_REGISTERS);
3149
3150 // If fast case code has been generated, emit code to push the function
3151 // and receiver and have the slow path jump around this code.
3152 if (done.is_linked()) {
3153 Label call;
3154 __ jmp(&call, Label::kNear);
3155 __ bind(&done);
3156 // Push function.
3157 __ Push(rax);
3158 // Pass undefined as the receiver, which is the WithBaseObject of a
3159 // non-object environment record. If the callee is sloppy, it will patch
3160 // it up to be the global receiver.
3161 __ PushRoot(Heap::kUndefinedValueRootIndex);
3162 __ bind(&call);
3163 }
3164 } else {
3165 VisitForStackValue(callee);
3166 // refEnv.WithBaseObject()
3167 __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
3168 __ push(r5);
3169 }
3170 }
3171
3172
3128 void FullCodeGenerator::VisitCall(Call* expr) { 3173 void FullCodeGenerator::VisitCall(Call* expr) {
3129 #ifdef DEBUG 3174 #ifdef DEBUG
3130 // We want to verify that RecordJSReturnSite gets called on all paths 3175 // We want to verify that RecordJSReturnSite gets called on all paths
3131 // through this function. Avoid early returns. 3176 // through this function. Avoid early returns.
3132 expr->return_is_recorded_ = false; 3177 expr->return_is_recorded_ = false;
3133 #endif 3178 #endif
3134 3179
3135 Comment cmnt(masm_, "[ Call"); 3180 Comment cmnt(masm_, "[ Call");
3136 Expression* callee = expr->expression(); 3181 Expression* callee = expr->expression();
3137 Call::CallType call_type = expr->GetCallType(isolate()); 3182 Call::CallType call_type = expr->GetCallType(isolate());
3138 3183
3139 if (call_type == Call::POSSIBLY_EVAL_CALL) { 3184 if (call_type == Call::POSSIBLY_EVAL_CALL) {
3140 // In a call to eval, we first call RuntimeHidden_ResolvePossiblyDirectEval 3185 // In a call to eval, we first call RuntimeHidden_ResolvePossiblyDirectEval
3141 // to resolve the function we need to call. Then we call the resolved 3186 // to resolve the function we need to call. Then we call the resolved
3142 // function using the given arguments. 3187 // function using the given arguments.
3143 ZoneList<Expression*>* args = expr->arguments(); 3188 ZoneList<Expression*>* args = expr->arguments();
3144 int arg_count = args->length(); 3189 int arg_count = args->length();
3145 3190
3146 { 3191 {
3147 PreservePositionScope pos_scope(masm()->positions_recorder()); 3192 PreservePositionScope pos_scope(masm()->positions_recorder());
3148 VisitForStackValue(callee); 3193 PushCalleeAndWithBaseObject(expr);
3149 __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
3150 __ push(r5); // Reserved receiver slot.
3151 3194
3152 // Push the arguments. 3195 // Push the arguments.
3153 for (int i = 0; i < arg_count; i++) { 3196 for (int i = 0; i < arg_count; i++) {
3154 VisitForStackValue(args->at(i)); 3197 VisitForStackValue(args->at(i));
3155 } 3198 }
3156 3199
3157 // Push a copy of the function (found below the arguments) and 3200 // Push a copy of the function (found below the arguments) and
3158 // resolve eval. 3201 // resolve eval.
3159 __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0); 3202 __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
3160 __ push(r4); 3203 __ push(r4);
3161 EmitResolvePossiblyDirectEval(arg_count); 3204 EmitResolvePossiblyDirectEval(arg_count);
3162 3205
3163 // Touch up the stack with the resolved function. 3206 // Touch up the stack with the resolved function.
3164 __ StoreP(r3, MemOperand(sp, (arg_count + 1) * kPointerSize), r0); 3207 __ StoreP(r3, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
3165 3208
3166 PrepareForBailoutForId(expr->EvalOrLookupId(), NO_REGISTERS); 3209 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
3167 } 3210 }
3168 3211
3169 // Record source position for debugger. 3212 // Record source position for debugger.
3170 SetSourcePosition(expr->position()); 3213 SetSourcePosition(expr->position());
3171 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 3214 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
3172 __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0); 3215 __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
3173 __ CallStub(&stub); 3216 __ CallStub(&stub);
3174 RecordJSReturnSite(expr); 3217 RecordJSReturnSite(expr);
3175 // Restore context register. 3218 // Restore context register.
3176 __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 3219 __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
3177 context()->DropAndPlug(1, r3); 3220 context()->DropAndPlug(1, r3);
3178 } else if (call_type == Call::GLOBAL_CALL) { 3221 } else if (call_type == Call::GLOBAL_CALL) {
3179 EmitCallWithLoadIC(expr); 3222 EmitCallWithLoadIC(expr);
3180 3223
3181 } else if (call_type == Call::LOOKUP_SLOT_CALL) { 3224 } else if (call_type == Call::LOOKUP_SLOT_CALL) {
3182 // Call to a lookup slot (dynamically introduced variable). 3225 // Call to a lookup slot (dynamically introduced variable).
3183 VariableProxy* proxy = callee->AsVariableProxy(); 3226 PushCalleeAndWithBaseObject(expr);
3184 Label slow, done;
3185
3186 {
3187 PreservePositionScope scope(masm()->positions_recorder());
3188 // Generate code for loading from variables potentially shadowed
3189 // by eval-introduced variables.
3190 EmitDynamicLookupFastCase(proxy, NOT_INSIDE_TYPEOF, &slow, &done);
3191 }
3192
3193 __ bind(&slow);
3194 // Call the runtime to find the function to call (returned in r3)
3195 // and the object holding it (returned in edx).
3196 DCHECK(!context_register().is(r5));
3197 __ mov(r5, Operand(proxy->name()));
3198 __ Push(context_register(), r5);
3199 __ CallRuntime(Runtime::kLoadLookupSlot, 2);
3200 __ Push(r3, r4); // Function, receiver.
3201 PrepareForBailoutForId(expr->EvalOrLookupId(), NO_REGISTERS);
3202
3203 // If fast case code has been generated, emit code to push the
3204 // function and receiver and have the slow path jump around this
3205 // code.
3206 if (done.is_linked()) {
3207 Label call;
3208 __ b(&call);
3209 __ bind(&done);
3210 // Push function.
3211 __ push(r3);
3212 // The receiver is implicitly the global receiver. Indicate this
3213 // by passing the hole to the call function stub.
3214 __ LoadRoot(r4, Heap::kUndefinedValueRootIndex);
3215 __ push(r4);
3216 __ bind(&call);
3217 }
3218
3219 // The receiver is either the global receiver or an object found
3220 // by LoadContextSlot.
3221 EmitCall(expr); 3227 EmitCall(expr);
3222 } else if (call_type == Call::PROPERTY_CALL) { 3228 } else if (call_type == Call::PROPERTY_CALL) {
3223 Property* property = callee->AsProperty(); 3229 Property* property = callee->AsProperty();
3224 bool is_named_call = property->key()->IsPropertyName(); 3230 bool is_named_call = property->key()->IsPropertyName();
3225 if (property->IsSuperAccess()) { 3231 if (property->IsSuperAccess()) {
3226 if (is_named_call) { 3232 if (is_named_call) {
3227 EmitSuperCallWithLoadIC(expr); 3233 EmitSuperCallWithLoadIC(expr);
3228 } else { 3234 } else {
3229 EmitKeyedSuperCallWithLoadIC(expr); 3235 EmitKeyedSuperCallWithLoadIC(expr);
3230 } 3236 }
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5560 return ON_STACK_REPLACEMENT; 5566 return ON_STACK_REPLACEMENT;
5561 } 5567 }
5562 5568
5563 DCHECK(interrupt_address == 5569 DCHECK(interrupt_address ==
5564 isolate->builtins()->OsrAfterStackCheck()->entry()); 5570 isolate->builtins()->OsrAfterStackCheck()->entry());
5565 return OSR_AFTER_STACK_CHECK; 5571 return OSR_AFTER_STACK_CHECK;
5566 } 5572 }
5567 } // namespace internal 5573 } // namespace internal
5568 } // namespace v8 5574 } // namespace v8
5569 #endif // V8_TARGET_ARCH_PPC 5575 #endif // V8_TARGET_ARCH_PPC
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