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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.nodes.debug;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_30;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_50;

import org.graalvm.compiler.core.common.type.StampFactory;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.FixedNode;
import org.graalvm.compiler.nodes.FixedWithNextNode;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.nodes.spi.Lowerable;
import org.graalvm.compiler.nodes.spi.LoweringTool;

A node for platform dependent verification of the Java heap. Intended to be used for debugging heap corruption issues.
/** * A node for platform dependent verification of the Java heap. Intended to be used for debugging * heap corruption issues. */
@NodeInfo(cycles = CYCLES_30, size = SIZE_50) public final class VerifyHeapNode extends FixedWithNextNode implements Lowerable { public static final NodeClass<VerifyHeapNode> TYPE = NodeClass.create(VerifyHeapNode.class); public VerifyHeapNode() { super(TYPE, StampFactory.forVoid()); } @Override public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } public static void addBefore(FixedNode position) { StructuredGraph graph = position.graph(); graph.addBeforeFixed(position, graph.add(new VerifyHeapNode())); } public static void addAfter(FixedWithNextNode position) { StructuredGraph graph = position.graph(); graph.addAfterFixed(position, graph.add(new VerifyHeapNode())); } }