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comparison agent/src/share/classes/sun/jvm/hotspot/HotSpotSolarisVtblAccess.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2000-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot;
26
27 import java.util.*;
28 import sun.jvm.hotspot.debugger.*;
29 import sun.jvm.hotspot.types.*;
30 import sun.jvm.hotspot.types.basic.*;
31
32 /** This class implements the compiler-specific access to the vtbl for
33 a given C++ type. */
34 public class HotSpotSolarisVtblAccess extends BasicVtblAccess {
35
36 public HotSpotSolarisVtblAccess(SymbolLookup symbolLookup,
37 String[] jvmLibNames) {
38 super(symbolLookup, jvmLibNames);
39 }
40
41 protected String vtblSymbolForType(Type type) {
42 String demangledSymbol = type.getName() + "::__vtbl";
43 return mangle(demangledSymbol);
44 }
45
46 //--------------------------------------------------------------------------------
47 // Internals only below this point
48 //
49
50 private String mangle(String symbol) {
51 String[] parts = symbol.split("::");
52 StringBuffer mangled = new StringBuffer("__1c");
53 for (int i = 0; i < parts.length; i++) {
54 int len = parts[i].length();
55 if (len >= 26) {
56 mangled.append((char)('a' + (len / 26)));
57 len = len % 26;
58 }
59 mangled.append((char)('A' + len));
60 mangled.append(parts[i]);
61 }
62 mangled.append("_");
63 return mangled.toString();
64 }
65 }