StackCheckFailureSnippet.hpp

/*******************************************************************************
 *
 * (c) Copyright IBM Corp. 2000, 2016
 *
 *  This program and the accompanying materials are made available
 *  under the terms of the Eclipse Public License v1.0 and
 *  Apache License v2.0 which accompanies this distribution.
 *
 *      The Eclipse Public License is available at
 *      http://www.eclipse.org/legal/epl-v10.html
 *
 *      The Apache License v2.0 is available at
 *      http://www.opensource.org/licenses/apache2.0.php
 *
 * Contributors:
 *    Multiple authors (IBM Corp.) - initial implementation and documentation
 *******************************************************************************/

#ifndef ARMSTACKCHECKFAILURESNIPPET_INCL
#define ARMSTACKCHECKFAILURESNIPPET_INCL

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