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master
src/hotspot/share/code/codeBehaviours.cpp
46 строк
2 KB
Erik Österlund
8214338: Move IC stub refilling out of IC cache transitions
05 дек 2018, 17:57
05 дек 2018, 17:57
e303e31
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/* * Copyright (c) 2018, 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 "precompiled.hpp" #include "code/codeBehaviours.hpp" #include "runtime/mutexLocker.hpp" #include "runtime/safepoint.hpp" CompiledICProtectionBehaviour* CompiledICProtectionBehaviour::_current = NULL; bool DefaultICProtectionBehaviour::lock(CompiledMethod* method) { if (is_safe(method)) { return false; } CompiledIC_lock->lock_without_safepoint_check(); return true; } void DefaultICProtectionBehaviour::unlock(CompiledMethod* method) { CompiledIC_lock->unlock(); } bool DefaultICProtectionBehaviour::is_safe(CompiledMethod* method) { return SafepointSynchronize::is_at_safepoint() || CompiledIC_lock->owned_by_self(); }