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
29 volatile int CompiledICHolder::_live_count;
30 volatile int CompiledICHolder::_live_not_claimed_count;
31
32
CompiledICHolder(Metadata * metadata,Klass * klass,bool is_method)33 CompiledICHolder::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
~CompiledICHolder()42 CompiledICHolder::~CompiledICHolder() {
43 assert(_live_count > 0, "underflow");
44 Atomic::dec(&_live_count);
45 }
46 #endif // ASSERT
47
48 // Printing
49
print_on(outputStream * st) const50 void 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
print_value_on(outputStream * st) const56 void CompiledICHolder::print_value_on(outputStream* st) const {
57 st->print("%s", internal_name());
58 }
59
60
61 // Verification
62
verify_on(outputStream * st)63 void 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
claim()70 void CompiledICHolder::claim() {
71 Atomic::dec(&_live_not_claimed_count);
72 }
73
74 #endif // ASSERT
75