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[GR-60548] Cleanly separate word box types by class loader.
PullRequest: graal/19624
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.../src/jdk.graal.compiler.test/src/jdk/graal/compiler/core/test/VerifyWordFactoryUsage.java
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|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
| package jdk.graal.compiler.core.test; | ||
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|
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| import jdk.graal.compiler.nodes.StructuredGraph; | ||
| import jdk.graal.compiler.nodes.java.MethodCallTargetNode; | ||
| import jdk.graal.compiler.nodes.spi.CoreProviders; | ||
| import jdk.graal.compiler.phases.VerifyPhase; | ||
| import jdk.graal.compiler.word.Word; | ||
| import jdk.vm.ci.meta.ResolvedJavaType; | ||
| import org.graalvm.word.WordFactory; | ||
|
|
||
| /** | ||
| * Ensures that Graal compiler code uses factory methods in {@link Word} instead of | ||
| * {@link WordFactory} to create word values. | ||
| */ | ||
| public class VerifyWordFactoryUsage extends VerifyPhase<CoreProviders> { | ||
|
|
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| @Override | ||
| public boolean checkContract() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| protected void verify(StructuredGraph graph, CoreProviders context) { | ||
|
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| ResolvedJavaType wordFactory = context.getMetaAccess().lookupJavaType(WordFactory.class); | ||
| for (MethodCallTargetNode t : graph.getNodes(MethodCallTargetNode.TYPE)) { | ||
| if (t.targetMethod().getDeclaringClass().equals(wordFactory)) { | ||
| throw new VerificationError("accessing %s in %s is prohibited - use %s.%s instead", | ||
| wordFactory.toJavaName(), | ||
| graph.method().format("%H.%n(%p)"), | ||
| Word.class.getName(), | ||
| graph.method().format("%n(%p)")); | ||
|
|
||
| } | ||
| } | ||
| } | ||
| } |
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