ARM64RecompilationSnippet.hpp

/*******************************************************************************
 * 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
 *******************************************************************************/

#ifndef ARM64RECOMPILATIONSNIPPET_INCL
#define ARM64RECOMPILATIONSNIPPET_INCL

#include "codegen/Snippet.hpp"

namespace TR { class CodeGenerator; }
namespace TR { class Instruction; }
namespace TR { class LabelSymbol; }

namespace TR {

class ARM64RecompilationSnippet : public TR::Snippet
   {
   TR::Instruction *branchToSnippet;

   public:

   ARM64RecompilationSnippet(
         TR::LabelSymbol *snippetlab,
         TR::Instruction *bts,
         TR::CodeGenerator *cg)
      : TR::Snippet(cg, 0, snippetlab, false), branchToSnippet(bts)
      {
      }

   virtual Kind getKind() { return IsRecompilation; }

   TR::Instruction *getBranchToSnippet() { return branchToSnippet; }

   virtual uint8_t *emitSnippetBody();

   virtual uint32_t getLength(int32_t estimatedSnippetStart);
   };

} // TR

#endif