/* * Copyright (C) 2013, 2014 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "ProfiledCodeBlockJettisoningWatchpoint.h" #if ENABLE(DFG_JIT) #include "CodeBlock.h" #include "DFGCommon.h" #include "DFGExitProfile.h" #include "JSCInlines.h" namespace JSC { void ProfiledCodeBlockJettisoningWatchpoint::fireInternal() { if (DFG::shouldShowDisassembly()) { dataLog( "Firing profiled watchpoint ", RawPointer(this), " on ", *m_codeBlock, " due to ", m_exitKind, " at ", m_codeOrigin, "\n"); } // FIXME: Maybe this should call alternative(). // https://bugs.webkit.org/show_bug.cgi?id=123677 CodeBlock* machineBaselineCodeBlock = m_codeBlock->baselineAlternative(); CodeBlock* sourceBaselineCodeBlock = baselineCodeBlockForOriginAndBaselineCodeBlock( m_codeOrigin, machineBaselineCodeBlock); if (sourceBaselineCodeBlock) { sourceBaselineCodeBlock->addFrequentExitSite( DFG::FrequentExitSite( m_codeOrigin.bytecodeIndex, m_exitKind, exitingJITTypeFor(m_codeBlock->jitType()))); } m_codeBlock->jettison(Profiler::JettisonDueToProfiledWatchpoint, CountReoptimization); if (isOnList()) remove(); } } // namespace JSC #endif // ENABLE(DFG_JIT)