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e7af7a4aef
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com> Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Kim Barrett <kim.barrett@oracle.com> Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com> Co-authored-by: Rickard Backman <rickard.backman@oracle.com> Co-authored-by: Roland Westrelin <rwestrel@redhat.com> Co-authored-by: Coleen Phillimore <coleen.phillimore@oracle.com> Co-authored-by: Robbin Ehn <robbin.ehn@oracle.com> Co-authored-by: Gerard Ziemski <gerard.ziemski@oracle.com> Co-authored-by: Hugh Wilkinson <hugh.wilkinson@intel.com> Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com> Co-authored-by: Bill Wheeler <bill.npo.wheeler@intel.com> Co-authored-by: Vinay K. Awasthi <vinay.k.awasthi@intel.com> Co-authored-by: Yasumasa Suenaga <yasuenag@gmail.com> Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
82 lines
3 KiB
C++
82 lines
3 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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#include "precompiled.hpp"
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#include "gc/z/c1/zBarrierSetC1.hpp"
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#include "gc/z/c2/zBarrierSetC2.hpp"
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#include "gc/z/zBarrierSet.hpp"
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#include "gc/z/zBarrierSetAssembler.hpp"
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#include "gc/z/zGlobals.hpp"
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#include "gc/z/zHeap.inline.hpp"
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#include "gc/z/zThreadLocalData.hpp"
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#include "runtime/thread.hpp"
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ZBarrierSet::ZBarrierSet() :
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BarrierSet(make_barrier_set_assembler<ZBarrierSetAssembler>(),
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make_barrier_set_c1<ZBarrierSetC1>(),
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make_barrier_set_c2<ZBarrierSetC2>(),
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BarrierSet::FakeRtti(BarrierSet::ZBarrierSet)) {}
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ZBarrierSetAssembler* ZBarrierSet::assembler() {
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BarrierSetAssembler* const bsa = BarrierSet::barrier_set()->barrier_set_assembler();
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return reinterpret_cast<ZBarrierSetAssembler*>(bsa);
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}
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bool ZBarrierSet::barrier_needed(DecoratorSet decorators, BasicType type) {
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assert((decorators & AS_RAW) == 0, "Unexpected decorator");
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assert((decorators & AS_NO_KEEPALIVE) == 0, "Unexpected decorator");
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assert((decorators & IN_ARCHIVE_ROOT) == 0, "Unexpected decorator");
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//assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Unexpected decorator");
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if (type == T_OBJECT || type == T_ARRAY) {
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if (((decorators & IN_HEAP) != 0) ||
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((decorators & IN_CONCURRENT_ROOT) != 0) ||
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((decorators & ON_PHANTOM_OOP_REF) != 0)) {
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// Barrier needed
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return true;
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}
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}
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// Barrier not neeed
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return false;
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}
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void ZBarrierSet::on_thread_create(Thread* thread) {
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// Create thread local data
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ZThreadLocalData::create(thread);
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}
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void ZBarrierSet::on_thread_destroy(Thread* thread) {
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// Destroy thread local data
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ZThreadLocalData::destroy(thread);
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}
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void ZBarrierSet::on_thread_attach(JavaThread* thread) {
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// Set thread local address bad mask
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ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask);
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}
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void ZBarrierSet::on_thread_detach(JavaThread* thread) {
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// Flush and free any remaining mark stacks
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ZHeap::heap()->mark_flush_and_free(thread);
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}
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