jdk/src/hotspot/cpu/ppc/gc/shared/cardTableBarrierSetAssembler_ppc.hpp
2025-12-30 12:08:36 +00:00

69 lines
3.4 KiB
C++

/*
* Copyright (c) 2018, 2025, 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
* or visit www.oracle.com if you need additional information or have any
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#ifndef CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP
#define CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP
#include "asm/macroAssembler.hpp"
#include "gc/shared/barrierSetAssembler.hpp"
class CardTableBarrierSetAssembler: public BarrierSetAssembler {
protected:
void card_table_write(MacroAssembler* masm, CardTable::CardValue* byte_map_base, Register tmp, Register obj);
void card_write_barrier_post(MacroAssembler* masm, Register store_addr, Register tmp);
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);
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_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP