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Diffstat (limited to 'Source/JavaScriptCore/ftl/FTLDataSection.cpp')
| -rw-r--r-- | Source/JavaScriptCore/ftl/FTLDataSection.cpp | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/Source/JavaScriptCore/ftl/FTLDataSection.cpp b/Source/JavaScriptCore/ftl/FTLDataSection.cpp deleted file mode 100644 index 1ea1cc52c..000000000 --- a/Source/JavaScriptCore/ftl/FTLDataSection.cpp +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (C) 2014 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 "FTLDataSection.h" - -#if ENABLE(FTL_JIT) - -#include <wtf/Assertions.h> -#include <wtf/DataLog.h> -#include <wtf/FastMalloc.h> - -namespace JSC { namespace FTL { - -DataSection::DataSection(size_t size, unsigned alignment) - : m_size(size) -{ - RELEASE_ASSERT(WTF::bitCount(alignment) == 1); - - const unsigned nativeAlignment = 8; - - alignment = std::max(nativeAlignment, alignment); - - size_t allocatedSize = size + alignment - nativeAlignment; - m_allocationBase = fastMalloc(allocatedSize); - - m_base = bitwise_cast<void*>( - (bitwise_cast<uintptr_t>(m_allocationBase) + alignment - 1) & ~static_cast<uintptr_t>(alignment - 1)); - - RELEASE_ASSERT(!(bitwise_cast<uintptr_t>(m_base) & (alignment - 1))); - RELEASE_ASSERT(bitwise_cast<uintptr_t>(m_base) + size <= bitwise_cast<uintptr_t>(m_allocationBase) + allocatedSize); -} - -DataSection::~DataSection() -{ - fastFree(m_allocationBase); -} - -} } // namespace JSC::FTL - -#endif // ENABLE(FTL_JIT) - |