1/*
2 * Copyright (c) 1998, 2016, 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 "runtime/atomic.hpp"
30
31volatile int CompiledICHolder::_live_count;
32volatile int CompiledICHolder::_live_not_claimed_count;
33
34
35CompiledICHolder::CompiledICHolder(Method* method, Klass* klass)
36  : _holder_method(method), _holder_klass(klass) {
37#ifdef ASSERT
38  Atomic::inc(&_live_count);
39  Atomic::inc(&_live_not_claimed_count);
40#endif // ASSERT
41}
42
43#ifdef ASSERT
44CompiledICHolder::~CompiledICHolder() {
45  assert(_live_count > 0, "underflow");
46  Atomic::dec(&_live_count);
47}
48#endif // ASSERT
49
50// Printing
51
52void CompiledICHolder::print_on(outputStream* st) const {
53  st->print("%s", internal_name());
54  st->print(" - method: "); holder_method()->print_value_on(st); st->cr();
55  st->print(" - klass:  "); holder_klass()->print_value_on(st); st->cr();
56}
57
58void CompiledICHolder::print_value_on(outputStream* st) const {
59  st->print("%s", internal_name());
60}
61
62
63// Verification
64
65void CompiledICHolder::verify_on(outputStream* st) {
66  guarantee(holder_method()->is_method(), "should be method");
67  guarantee(holder_klass()->is_klass(),   "should be klass");
68}
69
70#ifdef ASSERT
71
72void CompiledICHolder::claim() {
73  Atomic::dec(&_live_not_claimed_count);
74}
75
76#endif // ASSERT
77