engineering/java-topology
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

undefect. CWE-407 — 63 sites patched across 27 ecosystems

Browse source 
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

84
test/hotspot/jtreg/runtime/logging/GenerateOopMapTest.java Normal file
View file

@ -0,0 +1,84 @@
/*
* Copyright (c) 2026, 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 GenerateOopMap
* @bug 8379015
* @requires vm.flagless
* @modules java.base/jdk.internal.misc
* @library /test/lib
* @run driver GenerateOopMapTest
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.Platform;
public class GenerateOopMapTest {
static String infoPattern = "[generateoopmap]";
static String debugPattern = "[generateoopmap] Basicblock#0 begins at:";
static String tracePattern = "[trace][generateoopmap] 5 vars = 'r' stack = 'v' monitors = '' \tifne";
static String traceDetailPattern = "[generateoopmap] 0 vars = ( r |slot0) invokestatic()V";
static void test() throws Exception {
// Don't print much with info level.
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=info",
"GenerateOopMapTest", "test");
OutputAnalyzer o = new OutputAnalyzer(pb.start());
o.shouldNotContain(infoPattern).shouldHaveExitValue(0);
// Prints bytecodes and BasicBlock information in debug.
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=debug",
"GenerateOopMapTest", "test");
o = new OutputAnalyzer(pb.start());
o.shouldContain(debugPattern).shouldHaveExitValue(0);
// Prints ref/val for each bytecode in trace.
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=trace",
"GenerateOopMapTest", "test");
o = new OutputAnalyzer(pb.start());
o.shouldContain(tracePattern).shouldHaveExitValue(0);
// Prints extra stuff with detailed. Not sure how useful this is but keep it for now.
if (Platform.isDebugBuild()) {
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=trace",
"-XX:+Verbose",
"GenerateOopMapTest", "test");
o = new OutputAnalyzer(pb.start());
o.shouldContain(traceDetailPattern).shouldHaveExitValue(0);
}
};
public static void main(String... args) throws Exception {
System.gc();
if (args.length == 0) {
test();
}
}
}