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Issue 1665853002: [Interpreter] Add explicit StackCheck bytecodes on function entry and back branches. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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/interpreter/interpreter.h" 5 #include "src/interpreter/interpreter.h"
6 6
7 #include "src/ast/prettyprinter.h" 7 #include "src/ast/prettyprinter.h"
8 #include "src/code-factory.h" 8 #include "src/code-factory.h"
9 #include "src/compiler.h" 9 #include "src/compiler.h"
10 #include "src/compiler/interpreter-assembler.h" 10 #include "src/compiler/interpreter-assembler.h"
(...skipping 1752 matching lines...) Expand 10 before | Expand all | Expand 10 after
1763 // 1763 //
1764 // Creates a new unmapped arguments object. 1764 // Creates a new unmapped arguments object.
1765 void Interpreter::DoCreateUnmappedArguments( 1765 void Interpreter::DoCreateUnmappedArguments(
1766 compiler::InterpreterAssembler* assembler) { 1766 compiler::InterpreterAssembler* assembler) {
1767 Node* closure = __ LoadRegister(Register::function_closure()); 1767 Node* closure = __ LoadRegister(Register::function_closure());
1768 Node* result = __ CallRuntime(Runtime::kNewStrictArguments_Generic, closure); 1768 Node* result = __ CallRuntime(Runtime::kNewStrictArguments_Generic, closure);
1769 __ SetAccumulator(result); 1769 __ SetAccumulator(result);
1770 __ Dispatch(); 1770 __ Dispatch();
1771 } 1771 }
1772 1772
1773 // StackCheck
1774 //
1775 // Performs a stack guard check.
1776 void Interpreter::DoStackCheck(compiler::InterpreterAssembler* assembler) {
1777 __ StackCheck();
1778 __ Dispatch();
1779 }
1773 1780
1774 // Throw 1781 // Throw
1775 // 1782 //
1776 // Throws the exception in the accumulator. 1783 // Throws the exception in the accumulator.
1777 void Interpreter::DoThrow(compiler::InterpreterAssembler* assembler) { 1784 void Interpreter::DoThrow(compiler::InterpreterAssembler* assembler) {
1778 Node* exception = __ GetAccumulator(); 1785 Node* exception = __ GetAccumulator();
1779 __ CallRuntime(Runtime::kThrow, exception); 1786 __ CallRuntime(Runtime::kThrow, exception);
1780 // We shouldn't ever return from a throw. 1787 // We shouldn't ever return from a throw.
1781 __ Abort(kUnexpectedReturnFromThrow); 1788 __ Abort(kUnexpectedReturnFromThrow);
1782 } 1789 }
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1886 Node* index_reg = __ BytecodeOperandReg(0); 1893 Node* index_reg = __ BytecodeOperandReg(0);
1887 Node* index = __ LoadRegister(index_reg); 1894 Node* index = __ LoadRegister(index_reg);
1888 Node* result = __ CallRuntime(Runtime::kForInStep, index); 1895 Node* result = __ CallRuntime(Runtime::kForInStep, index);
1889 __ SetAccumulator(result); 1896 __ SetAccumulator(result);
1890 __ Dispatch(); 1897 __ Dispatch();
1891 } 1898 }
1892 1899
1893 } // namespace interpreter 1900 } // namespace interpreter
1894 } // namespace internal 1901 } // namespace internal
1895 } // namespace v8 1902 } // namespace v8
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