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 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/g1/g1BarrierSet.inline.hpp"
27 #include "gc/g1/g1BarrierSetAssembler.hpp"
28 #include "gc/g1/g1CardTable.inline.hpp"
29 #include "gc/g1/g1CollectedHeap.inline.hpp"
30 #include "gc/g1/g1SATBMarkQueueSet.hpp"
31 #include "gc/g1/g1ThreadLocalData.hpp"
32 #include "gc/g1/heapRegion.hpp"
33 #include "gc/shared/satbMarkQueue.hpp"
34 #include "logging/log.hpp"
35 #include "oops/access.inline.hpp"
36 #include "oops/compressedOops.inline.hpp"
37 #include "oops/oop.inline.hpp"
38 #include "runtime/interfaceSupport.inline.hpp"
39 #include "runtime/mutexLocker.hpp"
40 #include "runtime/orderAccess.hpp"
41 #include "runtime/thread.inline.hpp"
42 #include "utilities/macros.hpp"
43 #ifdef COMPILER1
44 #include "gc/g1/c1/g1BarrierSetC1.hpp"
45 #endif
46 #ifdef COMPILER2
47 #include "gc/g1/c2/g1BarrierSetC2.hpp"
48 #endif
49
50 class G1BarrierSetC1;
51 class G1BarrierSetC2;
52
53 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
54 CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
55 make_barrier_set_c1<G1BarrierSetC1>(),
56 make_barrier_set_c2<G1BarrierSetC2>(),
57 card_table,
58 BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)),
59 _satb_mark_queue_buffer_allocator("SATB Buffer Allocator", G1SATBBufferSize),
60 _dirty_card_queue_buffer_allocator("DC Buffer Allocator", G1UpdateBufferSize),
61 _satb_mark_queue_set(&_satb_mark_queue_buffer_allocator),
62 _dirty_card_queue_set(DirtyCardQ_CBL_mon, &_dirty_card_queue_buffer_allocator),
63 _shared_dirty_card_queue(&_dirty_card_queue_set)
64 {}
65
66 void G1BarrierSet::enqueue(oop pre_val) {
67 // Nulls should have been already filtered.
68 assert(oopDesc::is_oop(pre_val, true), "Error");
69 G1ThreadLocalData::satb_mark_queue(Thread::current()).enqueue(pre_val);
70 }
71
72 template <class T> void
73 G1BarrierSet::write_ref_array_pre_work(T* dst, size_t count) {
74 if (!_satb_mark_queue_set.is_active()) return;
75 T* elem_ptr = dst;
76 for (size_t i = 0; i < count; i++, elem_ptr++) {
77 T heap_oop = RawAccess<>::oop_load(elem_ptr);
78 if (!CompressedOops::is_null(heap_oop)) {
79 enqueue(CompressedOops::decode_not_null(heap_oop));
80 }
81 }
82 }
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1 /*
2 * Copyright (c) 2001, 2020, 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 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/g1/g1BarrierSet.inline.hpp"
27 #include "gc/g1/g1BarrierSetAssembler.hpp"
28 #include "gc/g1/g1CardTable.inline.hpp"
29 #include "gc/g1/g1CollectedHeap.inline.hpp"
30 #include "gc/g1/g1SATBMarkQueueSet.hpp"
31 #include "gc/g1/g1ThreadLocalData.hpp"
32 #include "gc/g1/heapRegion.hpp"
33 #include "gc/shared/satbMarkQueue.hpp"
34 #include "logging/log.hpp"
35 #include "oops/access.inline.hpp"
36 #include "oops/compressedOops.inline.hpp"
37 #include "oops/oop.inline.hpp"
38 #include "runtime/interfaceSupport.inline.hpp"
39 #include "runtime/orderAccess.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(&_satb_mark_queue_buffer_allocator),
61 _dirty_card_queue_set(&_dirty_card_queue_buffer_allocator),
62 _shared_dirty_card_queue(&_dirty_card_queue_set)
63 {}
64
65 void G1BarrierSet::enqueue(oop pre_val) {
66 // Nulls should have been already filtered.
67 assert(oopDesc::is_oop(pre_val, true), "Error");
68 G1ThreadLocalData::satb_mark_queue(Thread::current()).enqueue(pre_val);
69 }
70
71 template <class T> void
72 G1BarrierSet::write_ref_array_pre_work(T* dst, size_t count) {
73 if (!_satb_mark_queue_set.is_active()) return;
74 T* elem_ptr = dst;
75 for (size_t i = 0; i < count; i++, elem_ptr++) {
76 T heap_oop = RawAccess<>::oop_load(elem_ptr);
77 if (!CompressedOops::is_null(heap_oop)) {
78 enqueue(CompressedOops::decode_not_null(heap_oop));
79 }
80 }
81 }
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