JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / heap / SuperRegion.h

diff --git a/heap/SuperRegion.h b/heap/SuperRegion.h
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-/*
- * Copyright (C) 2013 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.
- */
-
-#ifndef SuperRegion_h
-#define SuperRegion_h
-
-#include <wtf/MetaAllocator.h>
-#include <wtf/PageBlock.h>
-#include <wtf/PageReservation.h>
-
-namespace JSC {
-
-class VM;
-
-class SuperRegion : public WTF::MetaAllocator {
-public:
-    SuperRegion();
-    virtual ~SuperRegion();
-
-protected:
-    virtual void* allocateNewSpace(size_t&) override;
-    virtual void notifyNeedPage(void*) override;
-    virtual void notifyPageIsFree(void*) override;
-
-private:
-    static const uint64_t s_fixedHeapMemoryPoolSize;
-
-    static void* getAlignedBase(PageReservation&);
-
-    PageReservation m_reservation;
-    void* m_reservationBase;
-};
-
-} // namespace JSC
-
-#endif // SuperRegion_h