1 /*
2 * Copyright (c) 2013, 2019, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25
26 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
27 #include "gc/shenandoah/shenandoahUtils.hpp"
28 #include "gc/shenandoah/shenandoahVMOperations.hpp"
29 #include "memory/universe.hpp"
30
doit_prologue()31 bool VM_ShenandoahReferenceOperation::doit_prologue() {
32 Heap_lock->lock();
33 return true;
34 }
35
doit_epilogue()36 void VM_ShenandoahReferenceOperation::doit_epilogue() {
37 if (Universe::has_reference_pending_list()) {
38 Heap_lock->notify_all();
39 }
40 Heap_lock->unlock();
41 }
42
doit()43 void VM_ShenandoahInitMark::doit() {
44 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
45 ShenandoahHeap::heap()->entry_init_mark();
46 }
47
doit()48 void VM_ShenandoahFinalMarkStartEvac::doit() {
49 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
50 ShenandoahHeap::heap()->entry_final_mark();
51 }
52
doit()53 void VM_ShenandoahFullGC::doit() {
54 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL);
55 ShenandoahHeap::heap()->entry_full(_gc_cause);
56 }
57
doit()58 void VM_ShenandoahDegeneratedGC::doit() {
59 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
60 ShenandoahHeap::heap()->entry_degenerated(_point);
61 }
62
doit()63 void VM_ShenandoahInitUpdateRefs::doit() {
64 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
65 ShenandoahHeap::heap()->entry_init_updaterefs();
66 }
67
doit()68 void VM_ShenandoahFinalUpdateRefs::doit() {
69 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
70 ShenandoahHeap::heap()->entry_final_updaterefs();
71 }
72