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Issue 1858773004: Revert of Correctly annotate eval origin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 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 #if V8_TARGET_ARCH_ARM64 5 #if V8_TARGET_ARCH_ARM64
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 // by the vector above. 2454 // by the vector above.
2455 CallIC(ic); 2455 CallIC(ic);
2456 OperandStackDepthDecrement(arg_count + 1); 2456 OperandStackDepthDecrement(arg_count + 1);
2457 2457
2458 RecordJSReturnSite(expr); 2458 RecordJSReturnSite(expr);
2459 // Restore context register. 2459 // Restore context register.
2460 __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2460 __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
2461 context()->DropAndPlug(1, x0); 2461 context()->DropAndPlug(1, x0);
2462 } 2462 }
2463 2463
2464 void FullCodeGenerator::EmitResolvePossiblyDirectEval(Call* expr) { 2464
2465 int arg_count = expr->arguments()->length(); 2465 void FullCodeGenerator::EmitResolvePossiblyDirectEval(int arg_count) {
2466 ASM_LOCATION("FullCodeGenerator::EmitResolvePossiblyDirectEval"); 2466 ASM_LOCATION("FullCodeGenerator::EmitResolvePossiblyDirectEval");
2467 // Prepare to push a copy of the first argument or undefined if it doesn't 2467 // Prepare to push a copy of the first argument or undefined if it doesn't
2468 // exist. 2468 // exist.
2469 if (arg_count > 0) { 2469 if (arg_count > 0) {
2470 __ Peek(x9, arg_count * kXRegSize); 2470 __ Peek(x9, arg_count * kXRegSize);
2471 } else { 2471 } else {
2472 __ LoadRoot(x9, Heap::kUndefinedValueRootIndex); 2472 __ LoadRoot(x9, Heap::kUndefinedValueRootIndex);
2473 } 2473 }
2474 2474
2475 __ Ldr(x10, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 2475 __ Ldr(x10, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
2476 2476
2477 // Prepare to push the language mode. 2477 // Prepare to push the language mode.
2478 __ Mov(x11, Smi::FromInt(language_mode())); 2478 __ Mov(x11, Smi::FromInt(language_mode()));
2479 // Prepare to push the source position of the eval call. 2479 // Prepare to push the start position of the scope the calls resides in.
2480 __ Mov(x12, Smi::FromInt(expr->position())); 2480 __ Mov(x12, Smi::FromInt(scope()->start_position()));
2481 2481
2482 // Push. 2482 // Push.
2483 __ Push(x9, x10, x11, x12); 2483 __ Push(x9, x10, x11, x12);
2484 2484
2485 // Do the runtime call. 2485 // Do the runtime call.
2486 __ CallRuntime(Runtime::kResolvePossiblyDirectEval); 2486 __ CallRuntime(Runtime::kResolvePossiblyDirectEval);
2487 } 2487 }
2488 2488
2489 2489
2490 // 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.
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2523 VisitForStackValue(callee); 2523 VisitForStackValue(callee);
2524 // refEnv.WithBaseObject() 2524 // refEnv.WithBaseObject()
2525 __ LoadRoot(x10, Heap::kUndefinedValueRootIndex); 2525 __ LoadRoot(x10, Heap::kUndefinedValueRootIndex);
2526 PushOperand(x10); // Reserved receiver slot. 2526 PushOperand(x10); // Reserved receiver slot.
2527 } 2527 }
2528 } 2528 }
2529 2529
2530 2530
2531 void FullCodeGenerator::EmitPossiblyEvalCall(Call* expr) { 2531 void FullCodeGenerator::EmitPossiblyEvalCall(Call* expr) {
2532 ASM_LOCATION("FullCodeGenerator::EmitPossiblyEvalCall"); 2532 ASM_LOCATION("FullCodeGenerator::EmitPossiblyEvalCall");
2533 // In a call to eval, we first call Runtime_ResolvePossiblyDirectEval 2533 // In a call to eval, we first call RuntimeHidden_ResolvePossiblyDirectEval
2534 // to resolve the function we need to call. Then we call the resolved 2534 // to resolve the function we need to call. Then we call the resolved
2535 // function using the given arguments. 2535 // function using the given arguments.
2536 ZoneList<Expression*>* args = expr->arguments(); 2536 ZoneList<Expression*>* args = expr->arguments();
2537 int arg_count = args->length(); 2537 int arg_count = args->length();
2538 2538
2539 PushCalleeAndWithBaseObject(expr); 2539 PushCalleeAndWithBaseObject(expr);
2540 2540
2541 // Push the arguments. 2541 // Push the arguments.
2542 for (int i = 0; i < arg_count; i++) { 2542 for (int i = 0; i < arg_count; i++) {
2543 VisitForStackValue(args->at(i)); 2543 VisitForStackValue(args->at(i));
2544 } 2544 }
2545 2545
2546 // Push a copy of the function (found below the arguments) and 2546 // Push a copy of the function (found below the arguments) and
2547 // resolve eval. 2547 // resolve eval.
2548 __ Peek(x10, (arg_count + 1) * kPointerSize); 2548 __ Peek(x10, (arg_count + 1) * kPointerSize);
2549 __ Push(x10); 2549 __ Push(x10);
2550 EmitResolvePossiblyDirectEval(expr); 2550 EmitResolvePossiblyDirectEval(arg_count);
2551 2551
2552 // Touch up the stack with the resolved function. 2552 // Touch up the stack with the resolved function.
2553 __ Poke(x0, (arg_count + 1) * kPointerSize); 2553 __ Poke(x0, (arg_count + 1) * kPointerSize);
2554 2554
2555 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS); 2555 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
2556 2556
2557 // Record source position for debugger. 2557 // Record source position for debugger.
2558 SetCallPosition(expr); 2558 SetCallPosition(expr);
2559 2559
2560 // Call the evaluated function. 2560 // Call the evaluated function.
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4153 } 4153 }
4154 4154
4155 return INTERRUPT; 4155 return INTERRUPT;
4156 } 4156 }
4157 4157
4158 4158
4159 } // namespace internal 4159 } // namespace internal
4160 } // namespace v8 4160 } // namespace v8
4161 4161
4162 #endif // V8_TARGET_ARCH_ARM64 4162 #endif // V8_TARGET_ARCH_ARM64
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