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Diffstat (limited to 'Source/JavaScriptCore/runtime/WriteBarrierInlines.h')
-rw-r--r-- | Source/JavaScriptCore/runtime/WriteBarrierInlines.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/WriteBarrierInlines.h b/Source/JavaScriptCore/runtime/WriteBarrierInlines.h new file mode 100644 index 000000000..3b332f3a0 --- /dev/null +++ b/Source/JavaScriptCore/runtime/WriteBarrierInlines.h @@ -0,0 +1,67 @@ +/* + * 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. AND ITS CONTRIBUTORS ``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 ITS 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. + */ + +#ifndef WriteBarrierInlines_h +#define WriteBarrierInlines_h + +#include "VM.h" +#include "WriteBarrier.h" + +namespace JSC { + +template <typename T> +inline void WriteBarrierBase<T>::set(VM& vm, const JSCell* owner, T* value) +{ + ASSERT(value); + ASSERT(!Options::useConcurrentJIT() || !isCompilationThread()); + validateCell(value); + setEarlyValue(vm, owner, value); +} + +template <typename T> +inline void WriteBarrierBase<T>::setMayBeNull(VM& vm, const JSCell* owner, T* value) +{ + if (value) + validateCell(value); + setEarlyValue(vm, owner, value); +} + +template <typename T> +inline void WriteBarrierBase<T>::setEarlyValue(VM& vm, const JSCell* owner, T* value) +{ + this->m_cell = reinterpret_cast<JSCell*>(value); + vm.heap.writeBarrier(owner, this->m_cell); +} + +inline void WriteBarrierBase<Unknown>::set(VM& vm, const JSCell* owner, JSValue value) +{ + ASSERT(!Options::useConcurrentJIT() || !isCompilationThread()); + m_value = JSValue::encode(value); + vm.heap.writeBarrier(owner, value); +} + +} // namespace JSC + +#endif // WriteBarrierInlines_h |