projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| b37bf2e1 A |
1 | /* |
| 2 | * Copyright (C) 2007 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
| 14 | * its contributors may be used to endorse or promote products derived | |
| 15 | * from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 | */ | |
| 28 | ||
| 29 | #ifndef MallocZoneSupport_h | |
| 30 | #define MallocZoneSupport_h | |
| 31 | ||
| 32 | #include <malloc/malloc.h> | |
| 33 | ||
| 34 | namespace WTF { | |
| 35 | ||
| 36 | class RemoteMemoryReader { | |
| 37 | task_t m_task; | |
| 38 | memory_reader_t* m_reader; | |
| 39 | ||
| 40 | public: | |
| 41 | RemoteMemoryReader(task_t task, memory_reader_t* reader) | |
| 42 | : m_task(task) | |
| 43 | , m_reader(reader) | |
| 44 | { } | |
| 45 | ||
| 46 | void* operator()(vm_address_t address, size_t size) const | |
| 47 | { | |
| 48 | void* output; | |
| 49 | kern_return_t err = (*m_reader)(m_task, address, size, static_cast<void**>(&output)); | |
| 50 | ASSERT(!err); | |
| 51 | if (err) | |
| 52 | output = 0; | |
| 53 | return output; | |
| 54 | } | |
| 55 | ||
| 56 | template <typename T> | |
| 57 | T* operator()(T* address, size_t size=sizeof(T)) const | |
| 58 | { | |
| 59 | return static_cast<T*>((*this)(reinterpret_cast<vm_address_t>(address), size)); | |
| 60 | } | |
| 61 | }; | |
| 62 | ||
| 63 | } // namespace WTF | |
| 64 | ||
| 65 | #endif // MallocZoneSupport_h |