Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/MallocZoneSupport.h

-/*
- * Copyright (C) 2007 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. 
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 MallocZoneSupport_h
-#define MallocZoneSupport_h
-
-#include <malloc/malloc.h>
-
-namespace WTF {
-
-class RemoteMemoryReader {
-    task_t m_task;
-    memory_reader_t* m_reader;
-
-public:
-    RemoteMemoryReader(task_t task, memory_reader_t* reader)
-        : m_task(task)
-        , m_reader(reader)
-    { }
-
-    void* operator()(vm_address_t address, size_t size) const
-    {
-        void* output;
-        kern_return_t err = (*m_reader)(m_task, address, size, static_cast<void**>(&output));
-        if (err)
-            output = 0;
-        return output;
-    }
-
-    template <typename T>
-    T* operator()(T* address, size_t size=sizeof(T)) const
-    {
-        return static_cast<T*>((*this)(reinterpret_cast<vm_address_t>(address), size));
-    }
-
-    template <typename T>
-    T* nextEntryInHardenedLinkedList(T** address, uintptr_t entropy) const;
-};
-
-} // namespace WTF
-
-#endif // MallocZoneSupport_h