1/*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25package sun.jvm.hotspot;
26
27import sun.jvm.hotspot.debugger.SymbolLookup;
28import sun.jvm.hotspot.types.Type;
29import sun.jvm.hotspot.types.basic.BasicVtblAccess;
30
31public class LinuxVtblAccess extends BasicVtblAccess {
32  private String vt;
33
34  public LinuxVtblAccess(SymbolLookup symbolLookup,
35                         String[] dllNames) {
36    super(symbolLookup, dllNames);
37
38    if (symbolLookup.lookup("libjvm.so", "__vt_10JavaThread") != null) {
39       // old C++ ABI
40       vt = "__vt_";
41    } else {
42       // new C++ ABI
43       vt = "_ZTV";
44    }
45  }
46
47  protected String vtblSymbolForType(Type type) {
48    return vt + type.getName().length() + type;
49  }
50}
51