1 /*
   2  * Copyright (c) 2002, 2003, 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 
  25 package sun.jvm.hotspot;
  26 
  27 import sun.jvm.hotspot.debugger.*;
  28 import sun.jvm.hotspot.types.*;
  29 import sun.jvm.hotspot.types.basic.*;
  30 
  31 public class BsdVtblAccess extends BasicVtblAccess {
  32   private String vt;
  33 
  34   public BsdVtblAccess(SymbolLookup symbolLookup,
  35                          String[] dllNames) {
  36     super(symbolLookup, dllNames);
  37 
  38     if (symbolLookup.lookup("libjvm.so", "__vt_10JavaThread") != null ||
  39         symbolLookup.lookup("libjvm_g.so", "__vt_10JavaThread") != null) {
  40        // old C++ ABI
  41        vt = "__vt_";
  42     } else {
  43        // new C++ ABI
  44        vt = "_ZTV";
  45     }
  46   }
  47 
  48   protected String vtblSymbolForType(Type type) {
  49     return vt + type.getName().length() + type;
  50   }
  51 }