1 /* 2 * Copyright (c) 2016, 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_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP 26 #define SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP 27 28 #include "gc/g1/g1SATBCardTableModRefBS.hpp" 29 #include "oops/oop.inline.hpp" 30 31 // We export this to make it available in cases where the static 32 // type of the barrier set is known. Note that it is non-virtual. 33 template <class T> void G1SATBCardTableModRefBS::inline_write_ref_field_pre(T* field, oop newVal) { 34 T heap_oop = oopDesc::load_heap_oop(field); 35 if (!oopDesc::is_null(heap_oop)) { 36 enqueue(oopDesc::decode_heap_oop(heap_oop)); 37 } 38 } 39 40 // These are the more general virtual versions. 41 void G1SATBCardTableModRefBS::write_ref_field_pre_work(oop* field, oop new_val) { 42 inline_write_ref_field_pre(field, new_val); 43 } 44 void G1SATBCardTableModRefBS::write_ref_field_pre_work(narrowOop* field, oop new_val) { 45 inline_write_ref_field_pre(field, new_val); 46 } 47 48 void G1SATBCardTableModRefBS::set_card_claimed(size_t card_index) { 49 jbyte val = _byte_map[card_index]; 50 if (val == clean_card_val()) { 51 val = (jbyte)claimed_card_val(); 52 } else { 53 val |= (jbyte)claimed_card_val(); 54 } 55 _byte_map[card_index] = val; 56 } 57 58 #endif // SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP