--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/tmtools/share/common/ToolResults.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+package common;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Common results of running an executable such as the saved exit code, the
+ * saved stdout and stderr
+ */
+public class ToolResults {
+
+    public int getExitCode() {
+        return exitCode;
+    }
+
+    public List<String> getStdout() {
+        return stdout;
+    }
+
+    public List<String> getStderr() {
+        return stderr;
+    }
+
+    public String getStdoutString() {
+        return stdout.stream().collect(Collectors.joining(System.getProperty("line.separator")));
+    }
+
+    /**
+     * Helper function to return a specified line from the saved stdout
+     *
+     * @return the line indexed with ndx from the saved stdout. The indexes are
+     * zero-based so that getStdoutLine(0) returns the first line.
+     */
+    public String getStdoutLine(int ndx) {
+        return stdout.get(ndx);
+    }
+
+    public ToolResults(int exitCode, List<String> stdin, List<String> stderr) {
+        this.exitCode = exitCode;
+        this.stdout = stdin;
+        this.stderr = stderr;
+    }
+
+    public ToolResults(ToolResults rawResults) {
+        this(rawResults.exitCode, rawResults.stdout, rawResults.stderr);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Exit code: ").append(exitCode).append("\n");
+        sb.append("stdout:");
+        stdout.stream().forEach((s) -> {
+            sb.append(s).append("\n");
+        });
+        sb.append("stderr:");
+        stderr.stream().forEach((s) -> {
+            sb.append(s).append("\n");
+        });
+        return sb.toString();
+    }
+
+    private final int exitCode;
+    private final List<String> stdout;
+    private final List<String> stderr;
+
+}