1 /* 2 * Copyright (c) 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 #ifndef SHARE_GC_G1_G1BARRIERSETRUNTIME_HPP 26 #define SHARE_GC_G1_G1BARRIERSETRUNTIME_HPP 27 28 #include "memory/allocation.hpp" 29 #include "oops/oopsHierarchy.hpp" 30 #include "utilities/globalDefinitions.hpp" 31 #include "utilities/macros.hpp" 32 33 class oopDesc; 34 class JavaThread; 35 36 class G1BarrierSetRuntime: public AllStatic { 37 public: 38 // Arraycopy stub generator 39 static void write_ref_array_pre_oop_entry(oop* dst, size_t length); 40 static void write_ref_array_pre_narrow_oop_entry(narrowOop* dst, size_t length); 41 static void write_ref_array_post_entry(HeapWord* dst, size_t length); 42 43 // C2 slow-path runtime calls. 44 static void write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread); 45 static void write_ref_field_post_entry(void* card_addr, JavaThread* thread); 46 }; 47 48 #endif // SHARE_GC_G1_G1BARRIERSETRUNTIME_HPP 49