JavaScriptCore-7600.1.4.9.tar.gz

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

diff --git a/ftl/FTLJITCode.h b/ftl/FTLJITCode.h
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+/*
+ * Copyright (C) 2013 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 FTLJITCode_h
+#define FTLJITCode_h
+
+#if ENABLE(FTL_JIT)
+
+#include "DFGCommonData.h"
+#include "FTLDataSection.h"
+#include "FTLOSRExit.h"
+#include "FTLStackMaps.h"
+#include "FTLUnwindInfo.h"
+#include "JITCode.h"
+#include "LLVMAPI.h"
+#include <wtf/RefCountedArray.h>
+
+namespace JSC { namespace FTL {
+
+class JITCode : public JSC::JITCode {
+public:
+    JITCode();
+    ~JITCode();
+    
+    CodePtr addressForCall(VM&, ExecutableBase*, ArityCheckMode, RegisterPreservationMode) override;
+    void* executableAddressAtOffset(size_t offset) override;
+    void* dataAddressAtOffset(size_t offset) override;
+    unsigned offsetOf(void* pointerIntoCode) override;
+    size_t size() override;
+    bool contains(void*) override;
+    
+    void initializeExitThunks(CodeRef);
+    void addHandle(PassRefPtr<ExecutableMemoryHandle>);
+    void addDataSection(PassRefPtr<DataSection>);
+    void initializeArityCheckEntrypoint(CodeRef);
+    void initializeAddressForCall(CodePtr);
+    
+    const Vector<RefPtr<ExecutableMemoryHandle>>& handles() const { return m_handles; }
+    const Vector<RefPtr<DataSection>>& dataSections() const { return m_dataSections; }
+    
+    CodePtr exitThunks();
+    
+    JITCode* ftl();
+    DFG::CommonData* dfgCommon();
+    
+    DFG::CommonData common;
+    SegmentedVector<OSRExit, 8> osrExit;
+    StackMaps stackmaps;
+    UnwindInfo unwindInfo;
+    
+private:
+    Vector<RefPtr<DataSection>> m_dataSections;
+    Vector<RefPtr<ExecutableMemoryHandle>> m_handles;
+    CodePtr m_addressForCall;
+    CodeRef m_arityCheckEntrypoint;
+    CodeRef m_exitThunks;
+};
+
+} } // namespace JSC::FTL
+
+#endif // ENABLE(FLT_JIT)
+
+#endif // FTLJITCode_h
+