| /* | |
| * Copyright (c) 2018, 2025, 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. | |
| * | |
| */ | |
| #include "code/codeBehaviours.hpp" | |
| #include "runtime/mutexLocker.hpp" | |
| #include "runtime/safepoint.hpp" | |
| CompiledICProtectionBehaviour* CompiledICProtectionBehaviour::_current = nullptr; | |
| bool DefaultICProtectionBehaviour::lock(nmethod* method) { | |
| if (is_safe(method)) { | |
| return false; | |
| } | |
| CompiledIC_lock->lock_without_safepoint_check(); | |
| return true; | |
| } | |
| void DefaultICProtectionBehaviour::unlock(nmethod* method) { | |
| CompiledIC_lock->unlock(); | |
| } | |
| bool DefaultICProtectionBehaviour::is_safe(nmethod* method) { | |
| return SafepointSynchronize::is_at_safepoint() || CompiledIC_lock->owned_by_self(); | |
| } |