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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 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
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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2454 OperandStackDepthDecrement(arg_count + 1); | 2454 OperandStackDepthDecrement(arg_count + 1); |
2455 | 2455 |
2456 RecordJSReturnSite(expr); | 2456 RecordJSReturnSite(expr); |
2457 | 2457 |
2458 // Restore context register. | 2458 // Restore context register. |
2459 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 2459 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
2460 | 2460 |
2461 context()->DropAndPlug(1, eax); | 2461 context()->DropAndPlug(1, eax); |
2462 } | 2462 } |
2463 | 2463 |
2464 | 2464 void FullCodeGenerator::EmitResolvePossiblyDirectEval(Call* expr) { |
2465 void FullCodeGenerator::EmitResolvePossiblyDirectEval(int arg_count) { | 2465 int arg_count = expr->arguments()->length(); |
2466 // Push copy of the first argument or undefined if it doesn't exist. | 2466 // Push copy of the first argument or undefined if it doesn't exist. |
2467 if (arg_count > 0) { | 2467 if (arg_count > 0) { |
2468 __ push(Operand(esp, arg_count * kPointerSize)); | 2468 __ push(Operand(esp, arg_count * kPointerSize)); |
2469 } else { | 2469 } else { |
2470 __ push(Immediate(isolate()->factory()->undefined_value())); | 2470 __ push(Immediate(isolate()->factory()->undefined_value())); |
2471 } | 2471 } |
2472 | 2472 |
2473 // Push the enclosing function. | 2473 // Push the enclosing function. |
2474 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 2474 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
2475 | 2475 |
2476 // Push the language mode. | 2476 // Push the language mode. |
2477 __ push(Immediate(Smi::FromInt(language_mode()))); | 2477 __ push(Immediate(Smi::FromInt(language_mode()))); |
2478 | 2478 |
2479 // Push the start position of the scope the calls resides in. | 2479 // Push the start position of the scope the calls resides in. |
2480 __ push(Immediate(Smi::FromInt(scope()->start_position()))); | 2480 __ push(Immediate(Smi::FromInt(scope()->start_position()))); |
2481 | 2481 |
| 2482 // Push the source position of the eval call. |
| 2483 __ push(Immediate(Smi::FromInt(expr->position()))); |
| 2484 |
2482 // Do the runtime call. | 2485 // Do the runtime call. |
2483 __ CallRuntime(Runtime::kResolvePossiblyDirectEval); | 2486 __ CallRuntime(Runtime::kResolvePossiblyDirectEval); |
2484 } | 2487 } |
2485 | 2488 |
2486 | 2489 |
2487 // See http://www.ecma-international.org/ecma-262/6.0/#sec-function-calls. | 2490 // See http://www.ecma-international.org/ecma-262/6.0/#sec-function-calls. |
2488 void FullCodeGenerator::PushCalleeAndWithBaseObject(Call* expr) { | 2491 void FullCodeGenerator::PushCalleeAndWithBaseObject(Call* expr) { |
2489 VariableProxy* callee = expr->expression()->AsVariableProxy(); | 2492 VariableProxy* callee = expr->expression()->AsVariableProxy(); |
2490 if (callee->var()->IsLookupSlot()) { | 2493 if (callee->var()->IsLookupSlot()) { |
2491 Label slow, done; | 2494 Label slow, done; |
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2518 } | 2521 } |
2519 } else { | 2522 } else { |
2520 VisitForStackValue(callee); | 2523 VisitForStackValue(callee); |
2521 // refEnv.WithBaseObject() | 2524 // refEnv.WithBaseObject() |
2522 PushOperand(isolate()->factory()->undefined_value()); | 2525 PushOperand(isolate()->factory()->undefined_value()); |
2523 } | 2526 } |
2524 } | 2527 } |
2525 | 2528 |
2526 | 2529 |
2527 void FullCodeGenerator::EmitPossiblyEvalCall(Call* expr) { | 2530 void FullCodeGenerator::EmitPossiblyEvalCall(Call* expr) { |
2528 // In a call to eval, we first call RuntimeHidden_ResolvePossiblyDirectEval | 2531 // In a call to eval, we first call Runtime_ResolvePossiblyDirectEval |
2529 // to resolve the function we need to call. Then we call the resolved | 2532 // to resolve the function we need to call. Then we call the resolved |
2530 // function using the given arguments. | 2533 // function using the given arguments. |
2531 ZoneList<Expression*>* args = expr->arguments(); | 2534 ZoneList<Expression*>* args = expr->arguments(); |
2532 int arg_count = args->length(); | 2535 int arg_count = args->length(); |
2533 | 2536 |
2534 PushCalleeAndWithBaseObject(expr); | 2537 PushCalleeAndWithBaseObject(expr); |
2535 | 2538 |
2536 // Push the arguments. | 2539 // Push the arguments. |
2537 for (int i = 0; i < arg_count; i++) { | 2540 for (int i = 0; i < arg_count; i++) { |
2538 VisitForStackValue(args->at(i)); | 2541 VisitForStackValue(args->at(i)); |
2539 } | 2542 } |
2540 | 2543 |
2541 // Push a copy of the function (found below the arguments) and | 2544 // Push a copy of the function (found below the arguments) and |
2542 // resolve eval. | 2545 // resolve eval. |
2543 __ push(Operand(esp, (arg_count + 1) * kPointerSize)); | 2546 __ push(Operand(esp, (arg_count + 1) * kPointerSize)); |
2544 EmitResolvePossiblyDirectEval(arg_count); | 2547 EmitResolvePossiblyDirectEval(expr); |
2545 | 2548 |
2546 // Touch up the stack with the resolved function. | 2549 // Touch up the stack with the resolved function. |
2547 __ mov(Operand(esp, (arg_count + 1) * kPointerSize), eax); | 2550 __ mov(Operand(esp, (arg_count + 1) * kPointerSize), eax); |
2548 | 2551 |
2549 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS); | 2552 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS); |
2550 | 2553 |
2551 SetCallPosition(expr); | 2554 SetCallPosition(expr); |
2552 __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize)); | 2555 __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize)); |
2553 __ Set(eax, arg_count); | 2556 __ Set(eax, arg_count); |
2554 __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kAny, | 2557 __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kAny, |
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3896 isolate->builtins()->OnStackReplacement()->entry(), | 3899 isolate->builtins()->OnStackReplacement()->entry(), |
3897 Assembler::target_address_at(call_target_address, unoptimized_code)); | 3900 Assembler::target_address_at(call_target_address, unoptimized_code)); |
3898 return ON_STACK_REPLACEMENT; | 3901 return ON_STACK_REPLACEMENT; |
3899 } | 3902 } |
3900 | 3903 |
3901 | 3904 |
3902 } // namespace internal | 3905 } // namespace internal |
3903 } // namespace v8 | 3906 } // namespace v8 |
3904 | 3907 |
3905 #endif // V8_TARGET_ARCH_IA32 | 3908 #endif // V8_TARGET_ARCH_IA32 |
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