jdk-24/hotspot/test/compiler/jvmci/code/InterpreterFrameSizeTest.java

79 lines
2.8 KiB
Java

/*
* Copyright (c) 2016, 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.
*
* 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.
*/
/**
* @test
* @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
* @compile CodeInstallationTest.java DebugInfoTest.java TestAssembler.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java
* @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI compiler.jvmci.code.InterpreterFrameSizeTest
*/
package compiler.jvmci.code;
import java.lang.reflect.Method;
import jdk.vm.ci.code.BytecodeFrame;
import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.JavaValue;
import jdk.vm.ci.meta.ResolvedJavaMethod;
import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
import org.junit.Assert;
import org.junit.Test;
public class InterpreterFrameSizeTest extends CodeInstallationTest {
HotSpotCodeCacheProvider hotspotCodeCache() {
return (HotSpotCodeCacheProvider) codeCache;
}
@Test
public void testNull() {
try {
hotspotCodeCache().interpreterFrameSize(null);
} catch (NullPointerException npe) {
System.out.println("threw NPE as expected");
return;
}
Assert.fail("expected NullPointerException");
}
@Test
public void test() {
ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(getMethod("testNull"));
int bci = 0;
int numLocals = resolvedMethod.getMaxLocals();
int numStack = 0;
JavaValue[] values = new JavaValue[numLocals];
JavaKind[] slotKinds = new JavaKind[numLocals];
BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0);
int size = hotspotCodeCache().interpreterFrameSize(frame);
System.out.println("Frame size is " + size + " bytes");
if (size <= 0) {
Assert.fail("expected non-zero result");
}
}
}