1 /* 2 * Copyright (c) 2019, Red Hat, Inc. 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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHBARRIERSETNMETHOD_HPP 26 #define SHARE_GC_SHENANDOAH_SHENANDOAHBARRIERSETNMETHOD_HPP 27 28 #include "gc/shared/barrierSetNMethod.hpp" 29 #include "memory/allocation.hpp" 30 31 class nmethod; 32 class ShenandoahHeap; 33 34 class ShenandoahBarrierSetNMethod : public BarrierSetNMethod { 35 private: 36 ShenandoahHeap* _heap; 37 38 protected: 39 virtual int disarmed_value() const; 40 virtual bool nmethod_entry_barrier(nmethod* nm); 41 42 public: ShenandoahBarrierSetNMethod(ShenandoahHeap * heap)43 ShenandoahBarrierSetNMethod(ShenandoahHeap* heap) : _heap(heap) { 44 } 45 46 virtual ByteSize thread_disarmed_offset() const; 47 virtual int* disarmed_value_address() const; 48 }; 49 50 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHBARRIERSETNMETHOD_HPP 51