| /* | |
| * Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved. | |
| * Copyright (c) 2018, 2021 SAP SE. 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 | |
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| */ | |
| #ifndef CPU_PPC_GC_SHARED_MODREFBARRIERSETASSEMBLER_PPC_HPP | |
| #define CPU_PPC_GC_SHARED_MODREFBARRIERSETASSEMBLER_PPC_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 from, Register to, Register count, | |
| Register preserve1, Register preserve2) {} | |
| virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, | |
| Register addr, Register count, Register preserve) {} | |
| virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, | |
| Register base, RegisterOrConstant ind_or_offs, Register val, | |
| Register tmp1, Register tmp2, Register tmp3, | |
| MacroAssembler::PreservationLevel preservation_level) = 0; | |
| public: | |
| virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type, | |
| Register src, Register dst, Register count, | |
| Register preserve1, Register preserve2); | |
| virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type, | |
| Register dst, Register count, | |
| Register preserve); | |
| virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, | |
| Register base, RegisterOrConstant ind_or_offs, Register val, | |
| Register tmp1, Register tmp2, Register tmp3, | |
| MacroAssembler::PreservationLevel preservation_level); | |
| virtual void resolve_jobject(MacroAssembler* masm, Register value, | |
| Register tmp1, Register tmp2, | |
| MacroAssembler::PreservationLevel preservation_level); | |
| }; | |
| #endif // CPU_PPC_GC_SHARED_MODREFBARRIERSETASSEMBLER_PPC_HPP |