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Diffstat (limited to 'Source/JavaScriptCore/b3/B3WasmBoundsCheckValue.h')
-rw-r--r-- | Source/JavaScriptCore/b3/B3WasmBoundsCheckValue.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/b3/B3WasmBoundsCheckValue.h b/Source/JavaScriptCore/b3/B3WasmBoundsCheckValue.h new file mode 100644 index 000000000..ccc54b86b --- /dev/null +++ b/Source/JavaScriptCore/b3/B3WasmBoundsCheckValue.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2015-2016 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. + */ + +#pragma once + +#if ENABLE(B3_JIT) + +#include "B3Value.h" +#include "CCallHelpers.h" + +namespace JSC { namespace B3 { + +class WasmBoundsCheckValue : public Value { +public: + static bool accepts(Kind kind) + { + switch (kind.opcode()) { + case WasmBoundsCheck: + return true; + default: + return false; + } + } + + ~WasmBoundsCheckValue(); + + GPRReg pinnedGPR() const { return m_pinnedGPR; } + unsigned offset() const { return m_offset; } + +protected: + void dumpMeta(CommaPrinter&, PrintStream&) const override; + + Value* cloneImpl() const override; + +private: + friend class Procedure; + + JS_EXPORT_PRIVATE WasmBoundsCheckValue(Origin, Value* ptr, GPRReg pinnedGPR, unsigned offset); + + GPRReg m_pinnedGPR; + unsigned m_offset; +}; + +} } // namespace JSC::B3 + +#endif // ENABLE(B3_JIT) |