StackCheckFailureSnippet.hpp

/*******************************************************************************
 * Copyright IBM Corp. and others 2000
 *
 * 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
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 *******************************************************************************/

#ifndef ARMSTACKCHECKFAILURESNIPPET_INCL
#define ARMSTACKCHECKFAILURESNIPPET_INCL

#include "codegen/Snippet.hpp"
#include "codegen/Machine.hpp"
#include "codegen/Register.hpp"
#include "codegen/ARMInstruction.hpp"

namespace TR {

class ARMStackCheckFailureSnippet : public TR::Snippet
   {
   TR::LabelSymbol *reStartLabel;

   public:

   ARMStackCheckFailureSnippet(TR::CodeGenerator *cg,
                               TR::Node        *node,
                               TR::LabelSymbol *restartlab,
                               TR::LabelSymbol *snippetlab)
      : TR::Snippet(cg, node, snippetlab, true), reStartLabel(restartlab)
      {
      }

   virtual Kind getKind() { return IsStackCheckFailure; }

   TR::LabelSymbol *getReStartLabel()                  {return reStartLabel;}
   TR::LabelSymbol *setReStartLabel(TR::LabelSymbol *l) {return (reStartLabel = l);}

   virtual uint8_t *emitSnippetBody();

   virtual uint32_t getLength(int32_t estimatedSnippetStart);
   };

}

#endif