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_AARCH64_GC_G1_G1BARRIERSETASSEMBLER_AARCH64_HPP 26 #define CPU_AARCH64_GC_G1_G1BARRIERSETASSEMBLER_AARCH64_HPP 27 28 #include "asm/macroAssembler.hpp" 29 #include "gc/shared/modRefBarrierSetAssembler.hpp" 30 31 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler { 32 protected: 33 void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, 34 Register addr, Register count, RegSet saved_regs); 35 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, 36 Register start, Register end, Register tmp, RegSet saved_regs); 37 38 void g1_write_barrier_pre(MacroAssembler* masm, 39 Register obj, 40 Register pre_val, 41 Register thread, 42 Register tmp, 43 bool tosca_live, 44 bool expand_call); 45 46 void g1_write_barrier_post(MacroAssembler* masm, 47 Register store_addr, 48 Register new_val, 49 Register thread, 50 Register tmp, 51 Register tmp2); 52 53 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 54 Address dst, Register val, Register tmp1, Register tmp2); 55 56 public: 57 void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 58 Register dst, Address src, Register tmp1, Register tmp_thread); 59 }; 60 61 #endif // CPU_AARCH64_GC_G1_G1BARRIERSETASSEMBLER_AARCH64_HPP