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/shenandoahGeneration.hpp"
31 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
32 #include "gc/shenandoah/shenandoahMark.inline.hpp"
33 #include "gc/shenandoah/shenandoahOopClosures.inline.hpp"
34 #include "gc/shenandoah/shenandoahUtils.hpp"
35 #include "gc/shenandoah/shenandoahVMOperations.hpp"
36 #include "interpreter/oopMapCache.hpp"
37 #include "memory/universe.hpp"
38 
39 bool VM_ShenandoahReferenceOperation::doit_prologue() {
40   Heap_lock->lock();
41   return true;
42 }
43 
44 void VM_ShenandoahReferenceOperation::doit_epilogue() {
45   OopMapCache::cleanup_old_entries();
46   if (Universe::has_reference_pending_list()) {
47     Heap_lock->notify_all();
48   }
49   Heap_lock->unlock();
50 }
51 
52 void VM_ShenandoahInitMark::doit() {
53   ShenandoahGCPauseMark mark(_gc_id, "Init Mark", SvcGCMarker::CONCURRENT);
54   _gc->entry_init_mark();
55 }
56 
57 void VM_ShenandoahFinalMarkStartEvac::doit() {
58   ShenandoahGCPauseMark mark(_gc_id, "Final Mark", SvcGCMarker::CONCURRENT);
59   _gc->entry_final_mark();
60 }
61 
62 void VM_ShenandoahFullGC::doit() {
63   ShenandoahGCPauseMark mark(_gc_id, "Full GC", SvcGCMarker::FULL);
64   _full_gc->entry_full(_gc_cause);
65 }
66 
67 void VM_ShenandoahDegeneratedGC::doit() {
68   ShenandoahGCPauseMark mark(_gc_id, "Degenerated GC", SvcGCMarker::CONCURRENT);
69   _gc->entry_degenerated();
70 }
71 
72 void VM_ShenandoahInitUpdateRefs::doit() {
73   ShenandoahGCPauseMark mark(_gc_id, "Init Update Refs", SvcGCMarker::CONCURRENT);
74   _gc->entry_init_updaterefs();
75 }
76 
77 void VM_ShenandoahFinalUpdateRefs::doit() {
78   ShenandoahGCPauseMark mark(_gc_id, "Final Update Refs", SvcGCMarker::CONCURRENT);
79   _gc->entry_final_updaterefs();
80 }
81 
82 void VM_ShenandoahFinalRoots::doit() {
83   ShenandoahGCPauseMark mark(_gc_id, "Final Roots", SvcGCMarker::CONCURRENT);
84   _gc->entry_final_roots();
85 }