1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "DFGOSRExitPreparation.h" 28 29#if ENABLE(DFG_JIT) 30 31#include "CodeBlock.h" 32#include "Executable.h" 33#include "JIT.h" 34#include "JITCode.h" 35#include "JSCInlines.h" 36 37namespace JSC { namespace DFG { 38 39void prepareCodeOriginForOSRExit(ExecState* exec, CodeOrigin codeOrigin) 40{ 41 VM& vm = exec->vm(); 42 DeferGC deferGC(vm.heap); 43 44 for (; codeOrigin.inlineCallFrame; codeOrigin = codeOrigin.inlineCallFrame->caller) { 45 FunctionExecutable* executable = 46 static_cast<FunctionExecutable*>(codeOrigin.inlineCallFrame->executable.get()); 47 CodeBlock* codeBlock = executable->baselineCodeBlockFor( 48 codeOrigin.inlineCallFrame->isCall ? CodeForCall : CodeForConstruct); 49 50 if (codeBlock->jitType() == JSC::JITCode::BaselineJIT) 51 continue; 52 ASSERT(codeBlock->jitType() == JSC::JITCode::InterpreterThunk); 53 JIT::compile(&vm, codeBlock, JITCompilationMustSucceed); 54 codeBlock->install(); 55 } 56} 57 58} } // namespace JSC::DFG 59 60#endif // ENABLE(DFG_JIT) 61 62