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 33 CompiledICHolder::CompiledICHolder(Metadata* metadata, Klass* klass, bool is_method) 34 : _holder_metadata(metadata), 35 _holder_klass(klass), 36 _next(NULL), 37 _is_enqueued(false), 38 _is_metadata_method(is_method) { 39 #ifdef ASSERT 40 Atomic::inc(&_live_count); 41 Atomic::inc(&_live_not_claimed_count); 42 #endif // ASSERT 43 } 44 45 #ifdef ASSERT 46 CompiledICHolder::~CompiledICHolder() { 47 assert(_live_count > 0, "underflow"); 48 Atomic::dec(&_live_count); 49 } 50 #endif // ASSERT 51 52 // Printing 53 54 void CompiledICHolder::print_on(outputStream* st) const { 55 st->print("%s", internal_name()); 56 st->print(" - metadata: "); holder_metadata()->print_value_on(st); st->cr(); 57 st->print(" - klass: "); holder_klass()->print_value_on(st); st->cr(); 58 } 59 60 void CompiledICHolder::print_value_on(outputStream* st) const { 61 st->print("%s", internal_name()); 62 } 63 64 65 // Verification 66 67 void CompiledICHolder::verify_on(outputStream* st) { 68 guarantee(holder_metadata()->is_method() || holder_metadata()->is_klass(), "should be method or klass"); 69 guarantee(holder_klass()->is_klass(), "should be klass"); 70 } 71 72 #ifdef ASSERT 73 74 void CompiledICHolder::claim() { 75 Atomic::dec(&_live_not_claimed_count); 76 } 77 78 #endif // ASSERT