0
|
1 /*
|
|
2 * Copyright 2003 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.debugger.cdbg.basic.amd64;
|
|
26
|
|
27 import sun.jvm.hotspot.debugger.*;
|
|
28 import sun.jvm.hotspot.debugger.cdbg.*;
|
|
29 import sun.jvm.hotspot.debugger.cdbg.basic.*;
|
|
30
|
|
31 /** Basic AMD64 frame functionality providing sender() functionality. */
|
|
32
|
|
33 public class AMD64CFrame extends BasicCFrame {
|
|
34 private Address rbp;
|
|
35 private Address pc;
|
|
36
|
|
37 private static final int ADDRESS_SIZE = 8;
|
|
38
|
|
39 /** Constructor for topmost frame */
|
|
40 public AMD64CFrame(CDebugger dbg, Address rbp, Address pc) {
|
|
41 super(dbg);
|
|
42 this.rbp = rbp;
|
|
43 this.pc = pc;
|
|
44 }
|
|
45
|
|
46 public CFrame sender() {
|
|
47 if (rbp == null) {
|
|
48 return null;
|
|
49 }
|
|
50
|
|
51 Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE);
|
|
52 if (nextRBP == null) {
|
|
53 return null;
|
|
54 }
|
|
55 Address nextPC = rbp.getAddressAt( 1 * ADDRESS_SIZE);
|
|
56 if (nextPC == null) {
|
|
57 return null;
|
|
58 }
|
|
59 return new AMD64CFrame(dbg(), nextRBP, nextPC);
|
|
60 }
|
|
61
|
|
62 public Address pc() {
|
|
63 return pc;
|
|
64 }
|
|
65
|
|
66 public Address localVariableBase() {
|
|
67 return rbp;
|
|
68 }
|
|
69 }
|