1/*
2 * Copyright (c) 1998, 2018, 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 "runtime/atomic.hpp"
28
29volatile int CompiledICHolder::_live_count;
30volatile int CompiledICHolder::_live_not_claimed_count;
31
32
33CompiledICHolder::CompiledICHolder(Metadata* metadata, Klass* klass, bool is_method)
34 : _holder_metadata(metadata), _holder_klass(klass), _is_metadata_method(is_method) {
35#ifdef ASSERT
36 Atomic::inc(&_live_count);
37 Atomic::inc(&_live_not_claimed_count);
38#endif // ASSERT
39}
40
41#ifdef ASSERT
42CompiledICHolder::~CompiledICHolder() {
43 assert(_live_count > 0, "underflow");
44 Atomic::dec(&_live_count);
45}
46#endif // ASSERT
47
48// Printing
49
50void CompiledICHolder::print_on(outputStream* st) const {
51 st->print("%s", internal_name());
52 st->print(" - metadata: "); holder_metadata()->print_value_on(st); st->cr();
53 st->print(" - klass: "); holder_klass()->print_value_on(st); st->cr();
54}
55
56void CompiledICHolder::print_value_on(outputStream* st) const {
57 st->print("%s", internal_name());
58}
59
60
61// Verification
62
63void CompiledICHolder::verify_on(outputStream* st) {
64 guarantee(holder_metadata()->is_method() || holder_metadata()->is_klass(), "should be method or klass");
65 guarantee(holder_klass()->is_klass(), "should be klass");
66}
67
68#ifdef ASSERT
69
70void CompiledICHolder::claim() {
71 Atomic::dec(&_live_not_claimed_count);
72}
73
74#endif // ASSERT
75