1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2015-2018, Azul Systems, Inc. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #include "precompiled.hpp" 27 #include "asm/macroAssembler.inline.hpp" 28 #include "gc/shared/modRefBarrierSetAssembler.hpp" 29 30 #define __ masm-> 31 32 void ModRefBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop, 33 Register addr, Register count) { 34 35 if (is_oop) { 36 gen_write_ref_array_pre_barrier(masm, decorators, addr, count); 37 } 38 } 39 40 void ModRefBarrierSetAssembler::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop, 41 Register start, Register end, Register scratch) { 42 if (is_oop) { 43 gen_write_ref_array_post_barrier(masm, decorators, start, end, scratch); 44 } 45 } 46 47 void ModRefBarrierSetAssembler::store_word_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 48 Address dst, Register val, Register tmp1, Register tmp2) { 49 if (type == T_OBJECT || type == T_ARRAY) { 50 oop_store_at(masm, decorators, type, dst, val, tmp1, tmp2); 51 } else { 52 BarrierSetAssembler::store_word_at(masm, decorators, type, dst, val, tmp1, tmp2); 53 } 54 }