1 /*
2 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
38 #include "runtime/interfaceSupport.inline.hpp"
39 #include "runtime/mutexLocker.hpp"
40 #include "runtime/thread.inline.hpp"
41 #include "utilities/macros.hpp"
42 #ifdef COMPILER1
43 #include "gc/g1/c1/g1BarrierSetC1.hpp"
44 #endif
45 #ifdef COMPILER2
46 #include "gc/g1/c2/g1BarrierSetC2.hpp"
47 #endif
48
49 class G1BarrierSetC1;
50 class G1BarrierSetC2;
51
52 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
53 CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
54 make_barrier_set_c1<G1BarrierSetC1>(),
55 make_barrier_set_c2<G1BarrierSetC2>(),
56 card_table,
57 BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)),
58 _satb_mark_queue_buffer_allocator(G1SATBBufferSize, SATB_Q_FL_lock),
59 _dirty_card_queue_buffer_allocator(G1UpdateBufferSize, DirtyCardQ_FL_lock),
60 _satb_mark_queue_set(),
61 _dirty_card_queue_set()
62 {}
63
64 void G1BarrierSet::enqueue(oop pre_val) {
65 // Nulls should have been already filtered.
66 assert(oopDesc::is_oop(pre_val, true), "Error");
67
68 G1SATBMarkQueueSet& queue_set = satb_mark_queue_set();
69 if (!queue_set.is_active()) {
70 return;
71 }
72 Thread* thr = Thread::current();
73 if (thr->is_Java_thread()) {
74 G1ThreadLocalData::satb_mark_queue(thr).enqueue(pre_val);
75 } else {
76 MutexLockerEx x(Shared_SATB_Q_lock, Mutex::_no_safepoint_check_flag);
77 queue_set.shared_satb_queue()->enqueue(pre_val);
78 }
79 }
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1 /*
2 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
38 #include "runtime/interfaceSupport.inline.hpp"
39 #include "runtime/mutexLocker.hpp"
40 #include "runtime/thread.inline.hpp"
41 #include "utilities/macros.hpp"
42 #ifdef COMPILER1
43 #include "gc/g1/c1/g1BarrierSetC1.hpp"
44 #endif
45 #ifdef COMPILER2
46 #include "gc/g1/c2/g1BarrierSetC2.hpp"
47 #endif
48
49 class G1BarrierSetC1;
50 class G1BarrierSetC2;
51
52 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
53 CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
54 make_barrier_set_c1<G1BarrierSetC1>(),
55 make_barrier_set_c2<G1BarrierSetC2>(),
56 card_table,
57 BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)),
58 _satb_mark_queue_buffer_allocator("SATB Buffer Allocator", G1SATBBufferSize),
59 _dirty_card_queue_buffer_allocator("DC Buffer Allocator", G1UpdateBufferSize),
60 _satb_mark_queue_set(),
61 _dirty_card_queue_set()
62 {}
63
64 void G1BarrierSet::enqueue(oop pre_val) {
65 // Nulls should have been already filtered.
66 assert(oopDesc::is_oop(pre_val, true), "Error");
67
68 G1SATBMarkQueueSet& queue_set = satb_mark_queue_set();
69 if (!queue_set.is_active()) {
70 return;
71 }
72 Thread* thr = Thread::current();
73 if (thr->is_Java_thread()) {
74 G1ThreadLocalData::satb_mark_queue(thr).enqueue(pre_val);
75 } else {
76 MutexLockerEx x(Shared_SATB_Q_lock, Mutex::_no_safepoint_check_flag);
77 queue_set.shared_satb_queue()->enqueue(pre_val);
78 }
79 }
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