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 "DFGToFTLForOSREntryDeferredCompilationCallback.h" 28 29#if ENABLE(FTL_JIT) 30 31#include "CodeBlock.h" 32#include "DFGJITCode.h" 33#include "Executable.h" 34#include "JSCInlines.h" 35 36namespace JSC { namespace DFG { 37 38ToFTLForOSREntryDeferredCompilationCallback::ToFTLForOSREntryDeferredCompilationCallback( 39 PassRefPtr<CodeBlock> dfgCodeBlock) 40 : m_dfgCodeBlock(dfgCodeBlock) 41{ 42} 43 44ToFTLForOSREntryDeferredCompilationCallback::~ToFTLForOSREntryDeferredCompilationCallback() 45{ 46} 47 48PassRefPtr<ToFTLForOSREntryDeferredCompilationCallback> 49ToFTLForOSREntryDeferredCompilationCallback::create( 50 PassRefPtr<CodeBlock> dfgCodeBlock) 51{ 52 return adoptRef(new ToFTLForOSREntryDeferredCompilationCallback(dfgCodeBlock)); 53} 54 55void ToFTLForOSREntryDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously( 56 CodeBlock* codeBlock) 57{ 58 if (Options::verboseOSR()) { 59 dataLog( 60 "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock, 61 ") did become ready.\n"); 62 } 63 64 m_dfgCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently( 65 m_dfgCodeBlock.get()); 66} 67 68void ToFTLForOSREntryDeferredCompilationCallback::compilationDidComplete( 69 CodeBlock* codeBlock, CompilationResult result) 70{ 71 if (Options::verboseOSR()) { 72 dataLog( 73 "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock, 74 ") result: ", result, "\n"); 75 } 76 77 JITCode* jitCode = m_dfgCodeBlock->jitCode()->dfg(); 78 79 switch (result) { 80 case CompilationSuccessful: 81 jitCode->osrEntryBlock = codeBlock; 82 break; 83 case CompilationFailed: 84 jitCode->osrEntryRetry = 0; 85 jitCode->abandonOSREntry = true; 86 break; 87 case CompilationDeferred: 88 RELEASE_ASSERT_NOT_REACHED(); 89 case CompilationInvalidated: 90 jitCode->osrEntryRetry = 0; 91 break; 92 } 93 94 DeferredCompilationCallback::compilationDidComplete(codeBlock, result); 95} 96 97} } // JSC::DFG 98 99#endif // ENABLE(FTL_JIT) 100