Commit b21a318a authored by eric@webkit.org's avatar eric@webkit.org

2010-01-27 Kwang Yul Seo <skyul@company100.net>

        Reviewed by Oliver Hunt.

        [BREWMP] Add MarkStack fastMalloc implementation for platforms without VirtualAlloc or mmap.
        https://bugs.webkit.org/show_bug.cgi?id=33582

        Use fastMalloc and fastFree to implement MarkStack::allocateStack and
        MarkStack::releaseStack for platforms without page level allocation.

        * runtime/MarkStack.h:
        (JSC::MarkStack::MarkStackArray::shrinkAllocation):
        * runtime/MarkStackNone.cpp: Added.
        (JSC::MarkStack::initializePagesize):
        (JSC::MarkStack::allocateStack):
        (JSC::MarkStack::releaseStack):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@53922 268f45cc-cd09-0410-ab3c-d52691b4dbfc
parent d6ee855b
2010-01-27 Kwang Yul Seo <skyul@company100.net>
Reviewed by Oliver Hunt.
[BREWMP] Add MarkStack fastMalloc implementation for platforms without VirtualAlloc or mmap.
https://bugs.webkit.org/show_bug.cgi?id=33582
Use fastMalloc and fastFree to implement MarkStack::allocateStack and
MarkStack::releaseStack for platforms without page level allocation.
* runtime/MarkStack.h:
(JSC::MarkStack::MarkStackArray::shrinkAllocation):
* runtime/MarkStackNone.cpp: Added.
(JSC::MarkStack::initializePagesize):
(JSC::MarkStack::allocateStack):
(JSC::MarkStack::releaseStack):
2010-01-27 Kwang Yul Seo <skyul@company100.net>
Reviewed by Eric Seidel.
......
......@@ -153,7 +153,7 @@ namespace JSC {
ASSERT(0 == (size % MarkStack::pageSize()));
if (size == m_allocated)
return;
#if OS(WINDOWS) || OS(SYMBIAN)
#if OS(WINDOWS) || OS(SYMBIAN) || PLATFORM(BREWMP)
// We cannot release a part of a region with VirtualFree. To get around this,
// we'll release the entire region and reallocate the size that we want.
releaseStack(m_data, m_allocated);
......
/*
* Copyright (C) 2009 Company 100, 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 "FastMalloc.h"
namespace JSC {
void MarkStack::initializePagesize()
{
MarkStack::s_pageSize = 4096;
}
void* MarkStack::allocateStack(size_t size)
{
return fastMalloc(size);
}
void MarkStack::releaseStack(void* addr, size_t)
{
return fastFree(addr);
}
}
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