J9UnresolvedDataSnippet.hpp

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 * Copyright (c) 2000, 2019 IBM Corp. and others
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 * 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/
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 * is available at https://www.apache.org/licenses/LICENSE-2.0.
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 * 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 J9_ARM_UNRESOLVEDDATASNIPPET_INCL
#define J9_ARM_UNRESOLVEDDATASNIPPET_INCL

/*
 * The following #define and typedef must appear before any #includes in this file
 */
#ifndef J9_UNRESOLVEDDATASNIPPET_CONNECTOR
#define J9_UNRESOLVEDDATASNIPPET_CONNECTOR
namespace J9 { namespace ARM { class UnresolvedDataSnippet; } }
namespace J9 { typedef J9::ARM::UnresolvedDataSnippet UnresolvedDataSnippetConnector; }
#else
#error J9::ARM::UnresolvedDataSnippet expected to be a primary connector, but an J9 connector is already defined
#endif

#include "compiler/codegen/J9UnresolvedDataSnippet.hpp"

#include "codegen/GCStackMap.hpp"
#include "codegen/Snippet.hpp"
#include "il/LabelSymbol.hpp"
#include "il/MethodSymbol.hpp"
#include "il/RegisterMappedSymbol.hpp"
#include "il/ResolvedMethodSymbol.hpp"
#include "il/StaticSymbol.hpp"
#include "il/Symbol.hpp"
#include "il/SymbolReference.hpp"

namespace J9
{

namespace ARM
{

class UnresolvedDataSnippet : public J9::UnresolvedDataSnippet
   {

private:

   TR::MemoryReference * _memoryReference;
   bool                  _isStore;

public:

   UnresolvedDataSnippet(TR::CodeGenerator *cg, TR::Node *node, TR::SymbolReference *symRef, bool isStore, bool isGCSafePoint) :
      J9::UnresolvedDataSnippet(cg, node, symRef, isStore, isGCSafePoint),
        _memoryReference(NULL),
        _isStore(isStore)
      {
      }

   virtual Kind getKind() { return IsUnresolvedData; }

   TR::Symbol *getDataSymbol() { return getDataSymbolReference()->getSymbol(); }

   TR::MemoryReference *getMemoryReference()                        { return _memoryReference; }
   TR::MemoryReference *setMemoryReference(TR::MemoryReference *mr) { return (_memoryReference = mr); }

   bool resolveForStore() { return _isStore; }

   virtual uint8_t *emitSnippetBody();

   virtual uint32_t getLength(int32_t estimatedSnippetStart);

   TR_RuntimeHelper getHelper();

   };

}

}

#endif