62 lines
2.5 KiB
C++
62 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. 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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#include "precompiled.hpp"
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#include "gc/g1/g1BarrierSet.inline.hpp"
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#include "gc/g1/g1BarrierSetRuntime.hpp"
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#include "gc/g1/g1ThreadLocalData.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "utilities/macros.hpp"
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void G1BarrierSetRuntime::write_ref_array_pre_oop_entry(oop* dst, size_t length) {
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G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());
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bs->write_ref_array_pre(dst, length, false);
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}
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void G1BarrierSetRuntime::write_ref_array_pre_narrow_oop_entry(narrowOop* dst, size_t length) {
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G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());
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bs->write_ref_array_pre(dst, length, false);
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}
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void G1BarrierSetRuntime::write_ref_array_post_entry(HeapWord* dst, size_t length) {
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G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());
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bs->G1BarrierSet::write_ref_array(dst, length);
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}
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// G1 pre write barrier slowpath
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JRT_LEAF(void, G1BarrierSetRuntime::write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread))
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if (orig == NULL) {
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assert(false, "should be optimized out");
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return;
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}
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assert(oopDesc::is_oop(orig, true /* ignore mark word */), "Error");
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// store the original value that was in the field reference
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G1ThreadLocalData::satb_mark_queue(thread).enqueue(orig);
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JRT_END
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// G1 post write barrier slowpath
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JRT_LEAF(void, G1BarrierSetRuntime::write_ref_field_post_entry(void* card_addr, JavaThread* thread))
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G1ThreadLocalData::dirty_card_queue(thread).enqueue(card_addr);
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JRT_END
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