webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 75 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/domjit/DOMJITPatchpointParams.h b/Source/JavaScriptCore/domjit/DOMJITPatchpointParams.h
new file mode 100644
index 000000000..d83b6b0bf
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+++ b/Source/JavaScriptCore/domjit/DOMJITPatchpointParams.h
@@ -0,0 +1,75 @@
+/*
+ * 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 "CCallHelpers.h"
+#include "DOMJITSlowPathCalls.h"
+#include "DOMJITValue.h"
+#include "JITOperations.h"
+#include "RegisterSet.h"
+
+namespace JSC { namespace DOMJIT {
+
+class PatchpointParams {
+WTF_MAKE_NONCOPYABLE(PatchpointParams);
+public:
+    virtual ~PatchpointParams() { }
+
+    unsigned size() const { return m_regs.size(); }
+    const Value& at(unsigned index) const { return m_regs[index]; }
+    const Value& operator[](unsigned index) const { return at(index); }
+
+    GPRReg gpScratch(unsigned index) const { return m_gpScratch[index]; }
+    FPRReg fpScratch(unsigned index) const { return m_fpScratch[index]; }
+
+    PatchpointParams(Vector<Value>&& regs, Vector<GPRReg>&& gpScratch, Vector<FPRReg>&& fpScratch)
+        : m_regs(WTFMove(regs))
+        , m_gpScratch(WTFMove(gpScratch))
+        , m_fpScratch(WTFMove(fpScratch))
+    {
+    }
+
+    template<typename FunctionType, typename ResultType, typename... Arguments>
+    void addSlowPathCall(CCallHelpers::JumpList from, CCallHelpers& jit, FunctionType function, ResultType result, Arguments... arguments)
+    {
+        addSlowPathCallImpl(from, jit, function, result, std::make_tuple(arguments...));
+    }
+
+private:
+#define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) JS_EXPORT_PRIVATE virtual void addSlowPathCallImpl(CCallHelpers::JumpList, CCallHelpers&, OperationType, ResultType, std::tuple<__VA_ARGS__> args) = 0;
+    DOMJIT_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS)
+#undef JSC_DEFINE_CALL_OPERATIONS
+
+    Vector<Value> m_regs;
+    Vector<GPRReg> m_gpScratch;
+    Vector<FPRReg> m_fpScratch;
+};
+
+} }
+
+#endif