Thu, 24 Oct 2013 16:23:07 -0700
8026328: Setting a breakpoint on invokedynamic crashes the JVM
Reviewed-by: jrose, roland
1 /*
2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2008, 2009 Red Hat, Inc.
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
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24 */
26 #ifndef CPU_ZERO_VM_SHARKFRAME_ZERO_HPP
27 #define CPU_ZERO_VM_SHARKFRAME_ZERO_HPP
29 #include "oops/method.hpp"
30 #include "stack_zero.hpp"
32 // | ... |
33 // +--------------------+ ------------------
34 // | stack slot n-1 | low addresses
35 // | ... |
36 // | stack slot 0 |
37 // | monitor m-1 |
38 // | ... |
39 // | monitor 0 |
40 // | oop_tmp |
41 // | method |
42 // | unextended_sp |
43 // | pc |
44 // | frame_type |
45 // | next_frame | high addresses
46 // +--------------------+ ------------------
47 // | ... |
49 class SharkFrame : public ZeroFrame {
50 friend class SharkStack;
52 private:
53 SharkFrame() : ZeroFrame() {
54 ShouldNotCallThis();
55 }
57 protected:
58 enum Layout {
59 pc_off = jf_header_words,
60 unextended_sp_off,
61 method_off,
62 oop_tmp_off,
63 header_words
64 };
66 public:
67 address pc() const {
68 return (address) value_of_word(pc_off);
69 }
71 void set_pc(address pc) const {
72 *((address*) addr_of_word(pc_off)) = pc;
73 }
75 intptr_t* unextended_sp() const {
76 return (intptr_t *) value_of_word(unextended_sp_off);
77 }
79 Method* method() const {
80 return (Method*) value_of_word(method_off);
81 }
83 public:
84 void identify_word(int frame_index,
85 int offset,
86 char* fieldbuf,
87 char* valuebuf,
88 int buflen) const;
89 };
91 #endif // CPU_ZERO_VM_SHARKFRAME_ZERO_HPP