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 #include "precompiled.hpp" 26 #include "asm/macroAssembler.inline.hpp" 27 #include "gc/shared/modRefBarrierSetAssembler.hpp" 28 29 #define __ masm-> 30 31 void ModRefBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop, 32 Register src, Register dst, Register count, RegSet saved_regs) { 33 34 if (is_oop) { 35 gen_write_ref_array_pre_barrier(masm, decorators, dst, count, saved_regs); 36 } 37 } 38 39 void ModRefBarrierSetAssembler::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop, 40 Register start, Register count, Register tmp, 41 RegSet saved_regs) { 42 if (is_oop) { 43 gen_write_ref_array_post_barrier(masm, decorators, start, count, tmp, saved_regs); 44 } 45 } 46 47 void ModRefBarrierSetAssembler::store_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_at(masm, decorators, type, dst, val, tmp1, tmp2); 53 } 54 }