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src/hotspot/cpu/ppc/gc/shared/cardTableBarrierSetAssembler_ppc.hpp
author tschatzl
Wed, 13 Mar 2019 21:01:56 +0100
changeset 54110 f4f0dce5d0bb
parent 49748 6a880e576856
permissions -rw-r--r--
8220301: Remove jbyte use in CardTable Summary: Use CardTable::CardValue aliased to uint8_t instead. Reviewed-by: kbarrett, shade
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/*
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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2018, SAP SE. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP













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#define CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP













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#include "asm/macroAssembler.hpp"













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#include "gc/shared/modRefBarrierSetAssembler.hpp"













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class CardTableBarrierSetAssembler: public ModRefBarrierSetAssembler {













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protected:








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  virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,













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                                                Register addr, Register count, Register preserve);













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  void card_table_write(MacroAssembler* masm, CardTable::CardValue* byte_map_base, Register tmp, Register obj);








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  void card_write_barrier_post(MacroAssembler* masm, Register store_addr, Register tmp);













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  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,













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                            Register base, RegisterOrConstant ind_or_offs, Register val,













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                            Register tmp1, Register tmp2, Register tmp3, bool needs_frame);








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};













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#endif // CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP















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