/* | |
* 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)); | |
ASSERT(!err); | |
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)); | |
} | |
}; | |
} // namespace WTF | |
#endif // MallocZoneSupport_h |