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 CPU_ARM_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_ARM_HPP 26 #define CPU_ARM_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_ARM_HPP 27 28 #include "asm/macroAssembler.hpp" 29 #include "gc/shared/modRefBarrierSetAssembler.hpp" 30 31 class CardTableBarrierSetAssembler: public ModRefBarrierSetAssembler { 32 private: 33 void store_check(MacroAssembler* masm, Register obj, Address dst); 34 void store_check_part1(MacroAssembler* masm, Register card_table_base); 35 void store_check_part2(MacroAssembler* masm, Register obj, Register card_table_base, Register tmp); 36 37 void set_card(MacroAssembler* masm, Register card_table_base, Address card_table_addr, Register tmp); 38 39 protected: 40 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, 41 Register addr, Register count, Register tmp); 42 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 43 Address obj, Register new_val, Register tmp1, Register tmp2, Register tmp3, bool is_null); 44 }; 45 46 #endif // #ifndef CPU_ARM_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_ARM_HPP