2026-01-08 01:14:01 +00:00

115 lines
4.1 KiB
Java

/*
* Copyright Amazon.com Inc. 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
* @bug 8316694
* @summary Verify that nmethod relocation posts the correct JVMTI events
* @requires vm.jvmti &
* vm.gc != "Epsilon" &
* vm.flavor == "server" &
* !vm.emulatedClient &
* (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4)
* @library /test/lib /test/hotspot/jtreg
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm/native -agentlib:NMethodRelocationTest
* --enable-native-access=ALL-UNNAMED
* -Xbootclasspath/a:.
* -Xbatch
* -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* -XX:+SegmentedCodeCache
* -XX:-TieredCompilation
* -XX:+UnlockExperimentalVMOptions
* -XX:+NMethodRelocation
* NMethodRelocationTest
*/
import java.lang.reflect.Executable;
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.whitebox.WhiteBox;
import jdk.test.whitebox.code.BlobType;
import jdk.test.whitebox.code.NMethod;
import static compiler.whitebox.CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION;
public class NMethodRelocationTest {
/** Load native library if required. */
static {
try {
System.loadLibrary("NMethodRelocationTest");
} catch (UnsatisfiedLinkError ule) {
System.err.println("Could not load NMethodRelocationTest library");
System.err.println("java.library.path: "
+ System.getProperty("java.library.path"));
throw ule;
}
}
protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
native static boolean shouldExit();
public static void main(String[] argv) throws Exception {
Executable method = NMethodRelocationTest.class.getDeclaredMethod("compiledMethod");
WHITE_BOX.testSetDontInlineMethod(method, true);
WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_FULL_OPTIMIZATION);
if (!WHITE_BOX.isMethodCompiled(method)) {
throw new AssertionError("Method not compiled");
}
NMethod originalNMethod = NMethod.get(method, false);
if (originalNMethod == null) {
throw new AssertionError("Could not find original nmethod");
}
WHITE_BOX.relocateNMethodFromMethod(method, BlobType.MethodNonProfiled.id);
NMethod relocatedNMethod = NMethod.get(method, false);
if (relocatedNMethod == null) {
throw new AssertionError("Could not find relocated nmethod");
}
if (originalNMethod.address == relocatedNMethod.address) {
throw new AssertionError("Relocated nmethod same as original");
}
WHITE_BOX.deoptimizeAll();
while (!shouldExit()) {
WHITE_BOX.fullGC();
}
}
public static long compiledMethod() {
return 0;
}
}