Mercurial > hg > graal-compiler
view src/share/vm/services/classLoadingService.hpp @ 17106:3d6132d71975
Compiler warning removed (unused import)
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Fri, 12 Sep 2014 15:24:00 -0700 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
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/* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_SERVICES_CLASSLOADINGSERVICE_HPP #define SHARE_VM_SERVICES_CLASSLOADINGSERVICE_HPP #include "runtime/handles.hpp" #include "runtime/perfData.hpp" #include "utilities/growableArray.hpp" #include "utilities/macros.hpp" class InstanceKlass; // VM monitoring and management support for the Class Loading subsystem class ClassLoadingService : public AllStatic { private: // Counters for classes loaded from class files static PerfCounter* _classes_loaded_count; static PerfCounter* _classes_unloaded_count; static PerfCounter* _classbytes_loaded; static PerfCounter* _classbytes_unloaded; // Counters for classes loaded from shared archive static PerfCounter* _shared_classes_loaded_count; static PerfCounter* _shared_classes_unloaded_count; static PerfCounter* _shared_classbytes_loaded; static PerfCounter* _shared_classbytes_unloaded; static PerfVariable* _class_methods_size; static size_t compute_class_size(InstanceKlass* k); public: static void init(); static bool get_verbose() { return TraceClassLoading; } static bool set_verbose(bool verbose); static void reset_trace_class_unloading() NOT_MANAGEMENT_RETURN; static jlong loaded_class_count() { return _classes_loaded_count->get_value() + _shared_classes_loaded_count->get_value(); } static jlong unloaded_class_count() { return _classes_unloaded_count->get_value() + _shared_classes_unloaded_count->get_value(); } static jlong loaded_class_bytes() { if (UsePerfData) { return _classbytes_loaded->get_value() + _shared_classbytes_loaded->get_value(); } else { return -1; } } static jlong unloaded_class_bytes() { if (UsePerfData) { return _classbytes_unloaded->get_value() + _shared_classbytes_unloaded->get_value(); } else { return -1; } } static jlong loaded_shared_class_count() { return _shared_classes_loaded_count->get_value(); } static jlong unloaded_shared_class_count() { return _shared_classes_unloaded_count->get_value(); } static jlong loaded_shared_class_bytes() { if (UsePerfData) { return _shared_classbytes_loaded->get_value(); } else { return -1; } } static jlong unloaded_shared_class_bytes() { if (UsePerfData) { return _shared_classbytes_unloaded->get_value(); } else { return -1; } } static jlong class_method_data_size() { return (UsePerfData ? _class_methods_size->get_value() : -1); } static void notify_class_loaded(InstanceKlass* k, bool shared_class) NOT_MANAGEMENT_RETURN; // All unloaded classes are non-shared static void notify_class_unloaded(InstanceKlass* k) NOT_MANAGEMENT_RETURN; static void add_class_method_size(int size) { #if INCLUDE_MANAGEMENT if (UsePerfData) { _class_methods_size->inc(size); } #endif // INCLUDE_MANAGEMENT } }; // FIXME: make this piece of code to be shared by M&M and JVMTI class LoadedClassesEnumerator : public StackObj { private: static GrowableArray<KlassHandle>* _loaded_classes; // _current_thread is for creating a KlassHandle with a faster version constructor static Thread* _current_thread; GrowableArray<KlassHandle>* _klass_handle_array; public: LoadedClassesEnumerator(Thread* cur_thread); int num_loaded_classes() { return _klass_handle_array->length(); } KlassHandle get_klass(int index) { return _klass_handle_array->at(index); } static void add_loaded_class(Klass* k) { // FIXME: For now - don't include array klasses // The spec is unclear at this point to count array klasses or not // and also indirect creation of array of super class and secondaries // // for (Klass* l = k; l != NULL; l = l->array_klass_or_null()) { // KlassHandle h(_current_thread, l); // _loaded_classes->append(h); // } KlassHandle h(_current_thread, k); _loaded_classes->append(h); } }; #endif // SHARE_VM_SERVICES_CLASSLOADINGSERVICE_HPP