1010
|
1 /*
|
|
2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
|
1078
|
3 * Copyright 2008, 2009 Red Hat, Inc.
|
1010
|
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
5 *
|
|
6 * This code is free software; you can redistribute it and/or modify it
|
|
7 * under the terms of the GNU General Public License version 2 only, as
|
|
8 * published by the Free Software Foundation.
|
|
9 *
|
|
10 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
13 * version 2 for more details (a copy is included in the LICENSE file that
|
|
14 * accompanied this code).
|
|
15 *
|
|
16 * You should have received a copy of the GNU General Public License version
|
|
17 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
19 *
|
|
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
21 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
22 * have any questions.
|
|
23 *
|
|
24 */
|
|
25
|
|
26 // | ... |
|
|
27 // +--------------------+ ------------------
|
|
28 // | stack slot n-1 | low addresses
|
|
29 // | ... |
|
|
30 // | stack slot 0 |
|
|
31 // | monitor m-1 |
|
|
32 // | ... |
|
|
33 // | monitor 0 |
|
|
34 // | oop_tmp |
|
|
35 // | method |
|
|
36 // | unextended_sp |
|
|
37 // | pc |
|
|
38 // | frame_type |
|
|
39 // | next_frame | high addresses
|
|
40 // +--------------------+ ------------------
|
|
41 // | ... |
|
|
42
|
|
43 class SharkFrame : public ZeroFrame {
|
1078
|
44 friend class SharkStack;
|
1010
|
45
|
|
46 private:
|
|
47 SharkFrame() : ZeroFrame() {
|
|
48 ShouldNotCallThis();
|
|
49 }
|
|
50
|
|
51 protected:
|
|
52 enum Layout {
|
|
53 pc_off = jf_header_words,
|
|
54 unextended_sp_off,
|
|
55 method_off,
|
|
56 oop_tmp_off,
|
|
57 header_words
|
|
58 };
|
|
59
|
|
60 public:
|
|
61 address pc() const {
|
|
62 return (address) value_of_word(pc_off);
|
|
63 }
|
|
64
|
|
65 intptr_t* unextended_sp() const {
|
|
66 return (intptr_t *) value_of_word(unextended_sp_off);
|
|
67 }
|
|
68
|
|
69 methodOop method() const {
|
|
70 return (methodOop) value_of_word(method_off);
|
|
71 }
|
|
72
|
|
73 public:
|
|
74 void identify_word(int frame_index,
|
|
75 int offset,
|
|
76 char* fieldbuf,
|
|
77 char* valuebuf,
|
|
78 int buflen) const;
|
|
79 };
|