8370846: Support execution of mlvm testing with test thread factory

test/hotspot/jtreg/vmTestbase/vm/mlvm/share/jdi/JDIBreakpointTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2025, 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
@@ -28,6 +28,7 @@
 import java.util.List;
 import java.util.Map;
 
+import jdk.test.lib.thread.TestThreadFactory;
 import nsk.share.jdi.Binder;
 import nsk.share.jdi.Debugee;
 import vm.mlvm.share.Env;
@@ -437,10 +438,22 @@ public static String getStackTraceStr(List<StackFrame> frames, boolean full)
  for (StackFrame f : frames) {
  Location l = f.location();
 
+ String sourcePath;
+ try {
+ sourcePath = l.sourcePath();
+ } catch (AbsentInformationException aie) {
+ // Test Thread Factory support has generated methods in MainWrapper class.
+ if (TestThreadFactory.isTestThreadFactorySet()) {
+ sourcePath = "unknown";
+ } else {
+ throw aie;
+ }
+ }
+
  buf.append(String.format("#%-4d", frameNum))
  .append(l.method())
  .append("\n source: ")
- .append(l.sourcePath())
+ .append(sourcePath)
  .append(":")
  .append(l.lineNumber())
  .append("; bci=")

test/lib/jdk/test/lib/thread/TestThreadFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2025, 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
@@ -32,8 +32,27 @@
 
 public class TestThreadFactory {
 
- private static ThreadFactory threadFactory = "Virtual".equals(System.getProperty("test.thread.factory"))
- ? virtualThreadFactory() : platformThreadFactory();
+ public enum TestThreadFactoryType {
+ NONE, VIRTUAL
+ }
+
+ private final static TestThreadFactoryType testThreadFactoryType =
+ "Virtual".equals(System.getProperty("test.thread.factory"))
+ ? TestThreadFactoryType.VIRTUAL
+ : TestThreadFactoryType.NONE;
+
+ private final static ThreadFactory threadFactory =
+ testThreadFactoryType == TestThreadFactoryType.VIRTUAL
+ ? virtualThreadFactory()
+ : platformThreadFactory();
+
+ public static TestThreadFactoryType testThreadFactoryType() {
+ return testThreadFactoryType;
+ }
+
+ public static boolean isTestThreadFactorySet() {
+ return !testThreadFactoryType.equals(TestThreadFactoryType.NONE);
+ }
 
  public static Thread newThread(Runnable task) {
  return threadFactory.newThread(task);