| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP |
| #define CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP |
| |
| #include "asm/macroAssembler.hpp" |
| #include "gc/shared/barrierSetAssembler.hpp" |
| |
| // The ModRefBarrierSetAssembler filters away accesses on BasicTypes other |
| // than T_OBJECT/T_ARRAY (oops). The oop accesses call one of the protected |
| // accesses, which are overridden in the concrete BarrierSetAssembler. |
| |
| class ModRefBarrierSetAssembler: public BarrierSetAssembler { |
| protected: |
| virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, |
| Register addr, Register count, int callee_saved_regs) {} |
| virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, |
| Register addr, Register count, Register tmp) {} |
| |
| virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, |
| Address obj, Register val, Register tmp1, Register tmp2, Register tmp3, bool is_null) = 0; |
| |
| public: |
| virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop, |
| Register addr, Register count, int callee_saved_regs); |
| virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop, |
| Register addr, Register count, Register tmp); |
| virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, |
| Address obj, Register val, Register tmp1, Register tmp2, Register tmp3, bool is_null); |
| }; |
| |
| #endif // CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP |