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/*
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* 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.
*
* 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.
*
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package org.graalvm.compiler.hotspot.test;
import org.junit.Assert;
import org.junit.Test;
import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
import jdk.vm.ci.code.InvalidInstalledCodeException;
import jdk.vm.ci.hotspot.HotSpotNmethod;
import jdk.vm.ci.meta.ResolvedJavaMethod;
public class HotSpotNmethodTest extends GraalCompilerTest {
private static final int ITERATION_COUNT = 100000;
@Test
public void testInstallCodeInvalidation() {
final ResolvedJavaMethod testJavaMethod = getResolvedJavaMethod("foo");
final HotSpotNmethod nmethod = (HotSpotNmethod) getCode(testJavaMethod, parseEager("otherFoo", AllowAssumptions.YES));
Assert.assertTrue(nmethod.isValid());
Object result;
try {
result = nmethod.executeVarargs(null, "b", "c");
assertDeepEquals(43, result);
} catch (InvalidInstalledCodeException e) {
Assert.fail("Code was invalidated");
}
Assert.assertTrue(nmethod.isValid());
nmethod.invalidate();
Assert.assertFalse(nmethod.isValid());
try {
result = nmethod.executeVarargs(null, null, null);
Assert.fail("Code was not invalidated");
} catch (InvalidInstalledCodeException e) {
}
Assert.assertFalse(nmethod.isValid());
}
@Test
public void testInstallCodeInvalidationWhileRunning() {
final ResolvedJavaMethod testJavaMethod = getResolvedJavaMethod("foo");
final HotSpotNmethod nmethod = (HotSpotNmethod) getCode(testJavaMethod, parseEager("otherFoo", AllowAssumptions.YES));
Object result;
try {
result = nmethod.executeVarargs(nmethod, null, null);
assertDeepEquals(43, result);
} catch (InvalidInstalledCodeException e) {
Assert.fail("Code was invalidated");
}
Assert.assertFalse(nmethod.isValid());
}
@Test
public void testInstalledCodeCalledFromCompiledCode() {
final ResolvedJavaMethod testJavaMethod = getResolvedJavaMethod("foo");
final HotSpotNmethod nmethod = (HotSpotNmethod) getCode(testJavaMethod, parseEager("otherFoo", AllowAssumptions.YES));
Assert.assertTrue(nmethod.isValid());
try {
for (int i = 0; i < ITERATION_COUNT; ++i) {
nmethod.executeVarargs(null, "b", "c");
}
} catch (InvalidInstalledCodeException e) {
Assert.fail("Code was invalidated");
}
}
@SuppressWarnings("unused")
public static Object foo(HotSpotNmethod method, Object a2, Object a3) {
return 42;
}
@SuppressWarnings("unused")
public static Object otherFoo(HotSpotNmethod method, Object a2, Object a3) {
if (method != null) {
method.invalidate();
}
return 43;
}
}