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Diffstat (limited to 'JavaScriptCore/jit/ExecutableAllocatorPosix.cpp')
-rw-r--r-- | JavaScriptCore/jit/ExecutableAllocatorPosix.cpp | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/JavaScriptCore/jit/ExecutableAllocatorPosix.cpp b/JavaScriptCore/jit/ExecutableAllocatorPosix.cpp deleted file mode 100644 index a841d32..0000000 --- a/JavaScriptCore/jit/ExecutableAllocatorPosix.cpp +++ /dev/null @@ -1,65 +0,0 @@ -/* - * 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 |