| /* |
| * 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 SKY_ENGINE_WTF_MALLOCZONESUPPORT_H_ |
| #define SKY_ENGINE_WTF_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 // SKY_ENGINE_WTF_MALLOCZONESUPPORT_H_ |