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annotate test/runtime/8003720/VictimClassLoader.java @ 19382:37516af640ed

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Do not inline into methods that need a Graal replacement in the new partial evaluator.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 15 Feb 2015 16:44:52 +0100
parents d0aa87f04bd5
children
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 public class VictimClassLoader extends ClassLoader {
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26 public static long counter = 0;
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27
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28 private int which = (int) ++counter;
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29
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30 protected VictimClassLoader() {
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31 super(VictimClassLoader.class.getClassLoader());
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32 }
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33
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34 protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
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35 Class c;
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36 if (!name.endsWith("Victim")) {
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37 c = super.loadClass(name, resolve);
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38 return c;
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39 }
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40
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41 c = findLoadedClass(name);
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42 if (c != null) {
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43 return c;
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44 }
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45
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46 byte[] buf = readClassFile(name);
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47 c = defineClass(name, buf, 0, buf.length);
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48 resolveClass(c);
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49
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50 if (c.getClassLoader() != this) {
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51 throw new AssertionError();
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52 }
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53
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54 Test8003720.println("loaded " + c + "#" + System.identityHashCode(c) + " in " + c.getClassLoader());
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55 return c;
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56 }
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57
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58 static byte[] readClassFile(String name) {
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59 try {
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60 String rname = name.substring(name.lastIndexOf('.') + 1) + ".class";
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61 java.net.URL url = VictimClassLoader.class.getResource(rname);
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62 Test8003720.println("found " + rname + " = " + url);
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63
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64 java.net.URLConnection connection = url.openConnection();
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65 int contentLength = connection.getContentLength();
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66 byte[] buf = readFully(connection.getInputStream(), contentLength);
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67
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68 return Asmator.fixup(buf);
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69 } catch (java.io.IOException ex) {
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70 throw new Error(ex);
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71 }
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72 }
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73
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74 static byte[] readFully(java.io.InputStream in, int len) throws java.io.IOException {
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75 // Warning here:
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76 return sun.misc.IOUtils.readFully(in, len, true);
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77 }
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78
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79 public void finalize() {
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80 Test8003720.println("Goodbye from " + this);
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81 }
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82
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83 public String toString() {
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84 return "VictimClassLoader#" + which;
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85 }
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86 }