J9WatchedInstanceFieldSnippet.hpp

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 * Copyright (c) 2019, 2019 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
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 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
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#ifndef J9WATCHEDINSTANCEFIELDSNIPPET_INCL
#define J9WATCHEDINSTANCEFIELDSNIPPET_INCL

#include "codegen/Snippet.hpp"
#include "codegen/CodeGenerator.hpp"

namespace TR {

class J9WatchedInstanceFieldSnippet : public TR::Snippet
   {
   protected :

   J9JITWatchedInstanceFieldData instanceFieldData;

   public :

   J9WatchedInstanceFieldSnippet(TR::CodeGenerator *cg, TR::Node *node, J9Method *m, UDATA loc, UDATA os);

   J9Method *getMethod() { return instanceFieldData.method; }
   UDATA getLocation() { return instanceFieldData.location; }
   UDATA getOffset() { return instanceFieldData.offset; }
   virtual uint32_t getLength(int32_t val) { return sizeof(J9JITWatchedInstanceFieldData); }

   virtual uint8_t *emitSnippetBody();
   virtual void print(TR::FILE *pOutFile, TR_Debug *debug);
   };
}

#endif