JavaScriptCore-7600.1.4.16.1.tar.gz

[apple/javascriptcore.git] / heap / WriteBarrierSupport.cpp

/*
 * Copyright (C) 2011 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WriteBarrierSupport.h"

#include "JSCInlines.h"

namespace JSC {

#if ENABLE(WRITE_BARRIER_PROFILING)
GlobalSamplingCounter WriteBarrierCounters::usesWithBarrierFromCpp;
GlobalSamplingCounter WriteBarrierCounters::usesWithoutBarrierFromCpp;
GlobalSamplingCounter WriteBarrierCounters::usesWithBarrierFromJit;
GlobalSamplingCounter WriteBarrierCounters::usesForPropertiesFromJit;
GlobalSamplingCounter WriteBarrierCounters::usesForVariablesFromJit;
GlobalSamplingCounter WriteBarrierCounters::usesWithoutBarrierFromJit;

void WriteBarrierCounters::initialize()
{
    usesWithBarrierFromCpp.name("WithBarrierFromCpp");
    usesWithoutBarrierFromCpp.name("WithoutBarrierFromCpp");
    usesWithBarrierFromJit.name("WithBarrierFromJit");
    usesForPropertiesFromJit.name("WriteForPropertiesFromJit");
    usesForVariablesFromJit.name("WriteForVariablesFromJit");
    usesWithoutBarrierFromJit.name("WithoutBarrierFromJit");
}
#else
char WriteBarrierCounters::usesWithBarrierFromCpp;
char WriteBarrierCounters::usesWithoutBarrierFromCpp;
#endif

} // namespace JSC