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/*
* Copyright (C) 2009 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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.
*/
#include "config.h"
#include "MarkStack.h"
#include <unistd.h>
#if defined (__SYMBIAN32__)
#include "wtf/FastMalloc.h"
#include <e32base.h>
#include <e32std.h>
#include <e32hal.h>
#include <hal.h>
#else
#include <sys/mman.h>
#endif
namespace JSC {
void MarkStack::initializePagesize()
{
#if defined (__SYMBIAN32__)
TInt page_size;
UserHal::PageSizeInBytes(page_size);
MarkStack::s_pageSize = page_size;
#else
MarkStack::s_pageSize = getpagesize();
#endif
}
void* MarkStack::allocateStack(size_t size)
{
#if defined (__SYMBIAN32__)
return fastMalloc(size);
#else
return mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
#endif
}
void MarkStack::releaseStack(void* addr, size_t size)
{
#if defined (__SYMBIAN32__)
fastFree(addr);
#else
munmap(reinterpret_cast<char*>(addr), size);
#endif
}
}
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