1 /*
2 * Copyright (c) 2013, 2018, 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
doit_prologue()30 bool VM_ShenandoahReferenceOperation::doit_prologue() {
31 Heap_lock->lock();
32 return true;
33 }
34
doit_epilogue()35 void VM_ShenandoahReferenceOperation::doit_epilogue() {
36 if (Universe::has_reference_pending_list()) {
37 Heap_lock->notify_all();
38 }
39 Heap_lock->unlock();
40 }
41
doit()42 void VM_ShenandoahInitMark::doit() {
43 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
44 ShenandoahHeap::heap()->entry_init_mark();
45 }
46
doit()47 void VM_ShenandoahFinalMarkStartEvac::doit() {
48 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
49 ShenandoahHeap::heap()->entry_final_mark();
50 }
51
doit()52 void VM_ShenandoahFinalEvac::doit() {
53 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
54 ShenandoahHeap::heap()->entry_final_evac();
55 }
56
doit()57 void VM_ShenandoahFullGC::doit() {
58 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL);
59 ShenandoahHeap::heap()->entry_full(_gc_cause);
60 }
61
doit()62 void VM_ShenandoahDegeneratedGC::doit() {
63 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
64 ShenandoahHeap::heap()->entry_degenerated(_point);
65 }
66
doit()67 void VM_ShenandoahInitTraversalGC::doit() {
68 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
69 ShenandoahHeap::heap()->entry_init_traversal();
70 }
71
doit()72 void VM_ShenandoahFinalTraversalGC::doit() {
73 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
74 ShenandoahHeap::heap()->entry_final_traversal();
75 }
76
doit()77 void VM_ShenandoahInitUpdateRefs::doit() {
78 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
79 ShenandoahHeap::heap()->entry_init_updaterefs();
80 }
81
doit()82 void VM_ShenandoahFinalUpdateRefs::doit() {
83 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
84 ShenandoahHeap::heap()->entry_final_updaterefs();
85 }
86