1 /*
2 * Copyright (c) 2013, 2021, 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/shenandoahConcurrentGC.hpp"
28 #include "gc/shenandoah/shenandoahDegeneratedGC.hpp"
29 #include "gc/shenandoah/shenandoahFullGC.hpp"
30 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
31 #include "gc/shenandoah/shenandoahMark.inline.hpp"
32 #include "gc/shenandoah/shenandoahOopClosures.inline.hpp"
33 #include "gc/shenandoah/shenandoahUtils.hpp"
34 #include "gc/shenandoah/shenandoahVMOperations.hpp"
35 #include "memory/universe.hpp"
36
doit_prologue()37 bool VM_ShenandoahReferenceOperation::doit_prologue() {
38 Heap_lock->lock();
39 return true;
40 }
41
doit_epilogue()42 void VM_ShenandoahReferenceOperation::doit_epilogue() {
43 if (Universe::has_reference_pending_list()) {
44 Heap_lock->notify_all();
45 }
46 Heap_lock->unlock();
47 }
48
doit()49 void VM_ShenandoahInitMark::doit() {
50 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
51 _gc->entry_init_mark();
52 }
53
doit()54 void VM_ShenandoahFinalMarkStartEvac::doit() {
55 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
56 _gc->entry_final_mark();
57 }
58
doit()59 void VM_ShenandoahFullGC::doit() {
60 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL);
61 _full_gc->entry_full(_gc_cause);
62 }
63
doit()64 void VM_ShenandoahDegeneratedGC::doit() {
65 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
66 _gc->entry_degenerated();
67 }
68
doit()69 void VM_ShenandoahInitUpdateRefs::doit() {
70 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
71 _gc->entry_init_updaterefs();
72 }
73
doit()74 void VM_ShenandoahFinalUpdateRefs::doit() {
75 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
76 _gc->entry_final_updaterefs();
77 }
78
doit()79 void VM_ShenandoahFinalRoots::doit() {
80 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
81 _gc->entry_final_roots();
82 }
83