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 }
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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
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 boolean oldVT = false;
38 boolean isDarwin = dllNames[0].lastIndexOf(".dylib") != -1;
39 String vtJavaThread = isDarwin ? "_vt_10JavaThread" : "__vt_10JavaThread";
40 for (String dllName : dllNames) {
41 if (symbolLookup.lookup(dllName, vtJavaThread) != null) {
42 oldVT = true;
43 break;
44 }
45 }
46 if (oldVT) {
47 // old C++ ABI
48 vt = isDarwin ? "_vt_" : "__vt_";
49 } else {
50 // new C++ ABI
51 vt = "_ZTV";
52 }
53 }
54
55 protected String vtblSymbolForType(Type type) {
56 return vt + type.getName().length() + type;
57 }
58 }
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