1 /*
2 * Copyright (c) 2013, 2019, Red Hat, Inc. 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
27 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
28 #include "gc/shenandoah/shenandoahUtils.hpp"
29 #include "gc/shenandoah/shenandoahVMOperations.hpp"
30 #include "memory/universe.hpp"
31
doit_prologue()32 bool VM_ShenandoahReferenceOperation::doit_prologue() {
33 Heap_lock->lock();
34 return true;
35 }
36
doit_epilogue()37 void VM_ShenandoahReferenceOperation::doit_epilogue() {
38 if (Universe::has_reference_pending_list()) {
39 Heap_lock->notify_all();
40 }
41 Heap_lock->unlock();
42 }
43
doit()44 void VM_ShenandoahInitMark::doit() {
45 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
46 ShenandoahHeap::heap()->entry_init_mark();
47 }
48
doit()49 void VM_ShenandoahFinalMarkStartEvac::doit() {
50 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
51 ShenandoahHeap::heap()->entry_final_mark();
52 }
53
doit()54 void VM_ShenandoahFullGC::doit() {
55 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL);
56 ShenandoahHeap::heap()->entry_full(_gc_cause);
57 }
58
doit()59 void VM_ShenandoahDegeneratedGC::doit() {
60 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
61 ShenandoahHeap::heap()->entry_degenerated(_point);
62 }
63
doit()64 void VM_ShenandoahInitUpdateRefs::doit() {
65 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
66 ShenandoahHeap::heap()->entry_init_updaterefs();
67 }
68
doit()69 void VM_ShenandoahFinalUpdateRefs::doit() {
70 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
71 ShenandoahHeap::heap()->entry_final_updaterefs();
72 }
73