mirror of
https://github.com/UOX3DevTeam/UOX3
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60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ExecutableAllocator.h"
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#if ENABLE_ASSEMBLER && WTF_PLATFORM_WIN_OS
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#include "jswin.h"
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namespace JSC {
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void ExecutableAllocator::intializePageSize()
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{
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SYSTEM_INFO system_info;
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GetSystemInfo(&system_info);
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ExecutableAllocator::pageSize = system_info.dwPageSize;
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}
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ExecutablePool::Allocation ExecutablePool::systemAlloc(size_t n)
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{
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void *allocation = VirtualAlloc(0, n, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
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ExecutablePool::Allocation alloc = {reinterpret_cast<char*>(allocation), n};
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return alloc;
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}
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void ExecutablePool::systemRelease(const ExecutablePool::Allocation& alloc)
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{
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VirtualFree(alloc.pages, 0, MEM_RELEASE);
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}
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#if ENABLE_ASSEMBLER_WX_EXCLUSIVE
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#error "ASSEMBLER_WX_EXCLUSIVE not yet suported on this platform."
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#endif
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}
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#endif // HAVE(ASSEMBLER)
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