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