/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

import org.opensolaris.os.dtrace.*;

/**
 * Regression for bug 6413280 lookupKernelFunction() and
 * lookupUserFunction() truncate last character.
 */
public class TestFunctionLookup {
    static final String kernelLookupProgram = "sdt:::callout-start { " +
           "@[((callout_t *)arg0)->c_func] = count(); }";
    static final String userLookupProgram = "pid$target::f2:entry { " +
           "@[arg0] = count(); }";

    public static void
    main(String[] args)
    {
        if (args.length != 1) {
            System.err.println("usage: java TestFunctionLookup <command>");
            System.exit(1);
        }
        String cmd = args[0];

        Consumer consumer = new LocalConsumer();
        try {
            consumer.open();
            consumer.compile(kernelLookupProgram);
            consumer.enable();
            consumer.go();
            Aggregate a;
            Number address;
            String f;
            boolean done = false;
            for (int i = 0; (i < 20) && !done; ++i) {
                Thread.sleep(100);
                a = consumer.getAggregate();
                for (Aggregation agg : a.getAggregations()) {
                    for (Tuple tuple : agg.asMap().keySet()) {
                        address = (Number)tuple.get(0).getValue();
                        if (address instanceof Integer) {
                            int addr = (Integer)address;
                            f = consumer.lookupKernelFunction(addr);
                        } else {
                            long addr = (Long)address;
                            f = consumer.lookupKernelFunction(addr);
                        }
                        if (f.equals("genunix`cv_wakeup")) {
                            System.out.println(f);
                            done = true;
                        }
                    }
                }
            }
            consumer.close();
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        }

        consumer = new LocalConsumer();
        try {
            consumer.open();
            int pid = consumer.createProcess(cmd);
            consumer.compile(userLookupProgram);
            consumer.enable();
            consumer.go();
            Thread.sleep(500);
            Aggregate a = consumer.getAggregate();
            Number address;
            String f;
            for (Aggregation agg : a.getAggregations()) {
                for (Tuple tuple : agg.asMap().keySet()) {
                    address = (Number)tuple.get(0).getValue();
                    if (address instanceof Integer) {
                        int addr = (Integer)address;
                        f = consumer.lookupUserFunction(pid, addr);
                    } else {
                        long addr = (Long)address;
                        f = consumer.lookupUserFunction(pid, addr);
                    }
                    System.out.println(f);
                }
            }
            consumer.close();
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        }
    }
}