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-rw-r--r--JavaScriptCore/jit/ExecutableAllocatorPosix.cpp65
1 files changed, 0 insertions, 65 deletions
diff --git a/JavaScriptCore/jit/ExecutableAllocatorPosix.cpp b/JavaScriptCore/jit/ExecutableAllocatorPosix.cpp
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--- a/JavaScriptCore/jit/ExecutableAllocatorPosix.cpp
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-/*
- * Copyright (C) 2008 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 "ExecutableAllocator.h"
-
-#if ENABLE(EXECUTABLE_ALLOCATOR_DEMAND) && !OS(WINDOWS) && !OS(SYMBIAN)
-
-#include <sys/mman.h>
-#include <unistd.h>
-#include <wtf/VMTags.h>
-
-namespace JSC {
-
-void ExecutableAllocator::intializePageSize()
-{
- ExecutableAllocator::pageSize = getpagesize();
-}
-
-ExecutablePool::Allocation ExecutablePool::systemAlloc(size_t n)
-{
- void* allocation = mmap(NULL, n, INITIAL_PROTECTION_FLAGS, MAP_PRIVATE | MAP_ANON, VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY, 0);
- if (allocation == MAP_FAILED)
- CRASH();
- ExecutablePool::Allocation alloc = { reinterpret_cast<char*>(allocation), n };
- return alloc;
-}
-
-void ExecutablePool::systemRelease(const ExecutablePool::Allocation& alloc)
-{
- int result = munmap(alloc.pages, alloc.size);
- ASSERT_UNUSED(result, !result);
-}
-
-bool ExecutableAllocator::isValid() const
-{
- return true;
-}
-
-}
-
-#endif