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85 lines
3.6 KiB
Java
85 lines
3.6 KiB
Java
/*
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* Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test GenerateOopMap
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* @bug 8379015
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver GenerateOopMapTest
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*/
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.Platform;
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public class GenerateOopMapTest {
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static String infoPattern = "[generateoopmap]";
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static String debugPattern = "[generateoopmap] Basicblock#0 begins at:";
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static String tracePattern = "[trace][generateoopmap] 5 vars = 'r' stack = 'v' monitors = '' \tifne";
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static String traceDetailPattern = "[generateoopmap] 0 vars = ( r |slot0) invokestatic()V";
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static void test() throws Exception {
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// Don't print much with info level.
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=info",
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"GenerateOopMapTest", "test");
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OutputAnalyzer o = new OutputAnalyzer(pb.start());
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o.shouldNotContain(infoPattern).shouldHaveExitValue(0);
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// Prints bytecodes and BasicBlock information in debug.
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pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=debug",
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"GenerateOopMapTest", "test");
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o = new OutputAnalyzer(pb.start());
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o.shouldContain(debugPattern).shouldHaveExitValue(0);
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// Prints ref/val for each bytecode in trace.
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pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=trace",
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"GenerateOopMapTest", "test");
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o = new OutputAnalyzer(pb.start());
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o.shouldContain(tracePattern).shouldHaveExitValue(0);
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// Prints extra stuff with detailed. Not sure how useful this is but keep it for now.
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if (Platform.isDebugBuild()) {
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pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=trace",
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"-XX:+Verbose",
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"GenerateOopMapTest", "test");
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o = new OutputAnalyzer(pb.start());
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o.shouldContain(traceDetailPattern).shouldHaveExitValue(0);
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}
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};
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public static void main(String... args) throws Exception {
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System.gc();
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if (args.length == 0) {
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test();
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}
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}
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}
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