webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 60 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/bytecode/DOMJITAccessCasePatchpointParams.h b/Source/JavaScriptCore/bytecode/DOMJITAccessCasePatchpointParams.h
new file mode 100644
index 000000000..8cf975197
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+++ b/Source/JavaScriptCore/bytecode/DOMJITAccessCasePatchpointParams.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 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(JIT)
+
+#include "DOMJITPatchpointParams.h"
+
+namespace JSC {
+
+struct AccessGenerationState;
+
+class DOMJITAccessCasePatchpointParams : public DOMJIT::PatchpointParams {
+public:
+    DOMJITAccessCasePatchpointParams(Vector<DOMJIT::Value>&& regs, Vector<GPRReg>&& gpScratch, Vector<FPRReg>&& fpScratch)
+        : DOMJIT::PatchpointParams(WTFMove(regs), WTFMove(gpScratch), WTFMove(fpScratch))
+    {
+    }
+
+    class SlowPathCallGenerator {
+    public:
+        virtual ~SlowPathCallGenerator() { }
+        virtual CCallHelpers::JumpList generate(AccessGenerationState&, const RegisterSet& usedRegistersByPatchpoint, CCallHelpers&) = 0;
+    };
+
+    CCallHelpers::JumpList emitSlowPathCalls(AccessGenerationState&, const RegisterSet& usedRegistersByPatchpoint, CCallHelpers&);
+
+private:
+#define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) void addSlowPathCallImpl(CCallHelpers::JumpList, CCallHelpers&, OperationType, ResultType, std::tuple<__VA_ARGS__> args) override;
+    DOMJIT_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS)
+#undef JSC_DEFINE_CALL_OPERATIONS
+    Vector<std::unique_ptr<SlowPathCallGenerator>> m_generators;
+};
+
+}
+
+#endif