JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / ftl / FTLJSCallVarargs.h

diff --git a/ftl/FTLJSCallVarargs.h b/ftl/FTLJSCallVarargs.h
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+/*
+ * Copyright (C) 2015 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. 
+ */
+
+#ifndef FTLJSCallVarargs_h
+#define FTLJSCallVarargs_h
+
+#if ENABLE(FTL_JIT)
+
+#include "FTLJSCallBase.h"
+
+namespace JSC {
+
+class LinkBuffer;
+
+namespace DFG {
+struct Node;
+}
+
+namespace FTL {
+
+class JSCallVarargs {
+public:
+    JSCallVarargs();
+    JSCallVarargs(unsigned stackmapID, DFG::Node*);
+    
+    DFG::Node* node() const { return m_node; }
+    
+    static unsigned numSpillSlotsNeeded();
+    
+    void emit(CCallHelpers&, int32_t spillSlotsOffset);
+    void link(VM&, LinkBuffer&, CodeLocationLabel exceptionHandler);
+    
+    unsigned stackmapID() const { return m_stackmapID; }
+    
+    bool operator<(const JSCallVarargs& other) const
+    {
+        return m_instructionOffset < other.m_instructionOffset;
+    }
+    
+private:
+    unsigned m_stackmapID;
+    DFG::Node* m_node;
+    JSCallBase m_callBase;
+    CCallHelpers::JumpList m_exceptions;
+
+public:
+    uint32_t m_instructionOffset;
+};
+
+} } // namespace JSC::FTL
+
+#endif // ENABLE(FTL_JIT)
+
+#endif // FTLJSCallVarargs_h
+