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/*
* Copyright (c) 2019, 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.
*
* 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 8235539 8245717
* @summary Tests effect of -XX:+EnableJVMCIProduct on EnableJVMCI and UseJVMCICompiler
* @requires vm.flagless
* @requires vm.jvmci
* @library /test/lib
* @run driver TestEnableJVMCIProduct
*/
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.stream.Collectors;
public class TestEnableJVMCIProduct {
static class Expectation {
final String name;
final String value;
final String origin;
final String pattern;
Expectation(final String name, String value, String origin) {
this.name = name;
this.value = value;
this.origin = origin;
this.pattern = "bool +" + name + " += " + value + " +\\{JVMCI product\\} \\{" + origin + "\\}";
}
}
public static void main(String[] args) throws Exception {
if (args.length != 0) {
// Called as subprocess. Print system properties named by
// `args[1..]` to the file `args[0]` and then exit.
Files.writeString(Path.of(args[0]),
List.of(args).subList(1, args.length).stream()
.map(a -> "%s=%s".formatted(a, System.getProperty(a)))
.collect(Collectors.joining(",")));
return;
}
// Test EnableJVMCIProduct without any other explicit JVMCI option
test("-XX:-PrintWarnings",
new Expectation("EnableJVMCI", "true", "default"),
new Expectation("UseJVMCICompiler", "true", "default"));
test("-XX:+UseJVMCICompiler",
new Expectation("EnableJVMCI", "true", "default"),
new Expectation("UseJVMCICompiler", "true", "command line"));
test("-XX:-UseJVMCICompiler",
new Expectation("EnableJVMCI", "true", "default"),
new Expectation("UseJVMCICompiler", "false", "command line"));
test("-XX:+EnableJVMCI",
new Expectation("EnableJVMCI", "true", "command line"),
new Expectation("UseJVMCICompiler", "true", "default"));
test("-XX:-EnableJVMCI",
new Expectation("EnableJVMCI", "false", "command line"),
new Expectation("UseJVMCICompiler", "false", "default"));
test("-XX:+EnableJVMCIProduct",
new Expectation("EnableJVMCIProduct", "true", "(?:command line|jimage)"),
new Expectation("EnableJVMCI", "true", "default"),
new Expectation("UseJVMCICompiler", "true", "default"));
}
static int id;
static void test(String explicitFlag, Expectation... expectations) throws Exception {
String[] flags = {"-XX:+EnableJVMCIProduct", "-XX:+UseGraalJIT"};
String cwd = System.getProperty("user.dir");
for (String flag : flags) {
Path propsPath = Path.of("props." + id++);
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-XX:+UnlockExperimentalVMOptions", flag, "-XX:-UnlockExperimentalVMOptions",
explicitFlag,
"-XX:+PrintFlagsFinal",
"--class-path=" + System.getProperty("java.class.path"),
"TestEnableJVMCIProduct", propsPath.toString(), "jvmci.Compiler");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
for (Expectation expectation : expectations) {
output.stdoutShouldMatch(expectation.pattern);
}
if (output.getExitValue() != 0) {
// This should only happen when JVMCI compilation is requested and the VM has no
// JVMCI compiler (e.g. Graal is not included in the build)
if (flag.equals("-XX:+UseGraalJIT")) {
output.shouldContain("JVMCI compiler 'graal' specified by jvmci.Compiler not found");
} else {
output.stdoutShouldMatch("No JVMCI compiler found");
}
} else if (flag.equals("-XX:+UseGraalJIT")) {
String props = Files.readString(propsPath);
String expect = "jvmci.Compiler=graal";
if (!props.contains(expect)) {
throw new RuntimeException("\"%s\" does not contain \"%s\"".formatted(props, expect));
}
}
}
}
}
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