compiledICHolder.cpp revision 6646:b596a1063e90 
1/*
2 * Copyright (c) 1998, 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#include "precompiled.hpp"
26#include "oops/compiledICHolder.hpp"
27#include "oops/klass.hpp"
28#include "oops/method.hpp"
29#include "oops/oop.inline2.hpp"
30#include "runtime/atomic.inline.hpp"
31
32volatile int CompiledICHolder::_live_count;
33volatile int CompiledICHolder::_live_not_claimed_count;
34
35
36CompiledICHolder::CompiledICHolder(Method* method, Klass* klass)
37  : _holder_method(method), _holder_klass(klass) {
38#ifdef ASSERT
39  Atomic::inc(&_live_count);
40  Atomic::inc(&_live_not_claimed_count);
41#endif // ASSERT
42}
43
44#ifdef ASSERT
45CompiledICHolder::~CompiledICHolder() {
46  assert(_live_count > 0, "underflow");
47  Atomic::dec(&_live_count);
48}
49#endif // ASSERT
50
51// Printing
52
53void CompiledICHolder::print_on(outputStream* st) const {
54  st->print("%s", internal_name());
55  st->print(" - method: "); holder_method()->print_value_on(st); st->cr();
56  st->print(" - klass:  "); holder_klass()->print_value_on(st); st->cr();
57}
58
59void CompiledICHolder::print_value_on(outputStream* st) const {
60  st->print("%s", internal_name());
61}
62
63
64// Verification
65
66void CompiledICHolder::verify_on(outputStream* st) {
67  guarantee(holder_method()->is_method(), "should be method");
68  guarantee(holder_klass()->is_klass(),   "should be klass");
69}
70
71#ifdef ASSERT
72
73void CompiledICHolder::claim() {
74  Atomic::dec(&_live_not_claimed_count);
75}
76
77#endif // ASSERT
78