|
342
|
1 /*
|
|
|
2 * Copyright 2001-2007 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 /*
|
|
|
26 * This really ought to be an inline function, but apparently the C++
|
|
|
27 * compiler sometimes sees fit to ignore inline declarations. Sigh.
|
|
|
28 */
|
|
|
29
|
|
|
30 // This must a ifdef'ed because the counting it controls is in a
|
|
|
31 // perf-critical inner loop.
|
|
|
32 #define FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT 0
|
|
|
33
|
|
|
34 inline void FilterIntoCSClosure::do_oop_nv(oop* p) {
|
|
|
35 oop obj = *p;
|
|
|
36 if (obj != NULL && _g1->obj_in_cs(obj)) {
|
|
|
37 _oc->do_oop(p);
|
|
|
38 #if FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT
|
|
|
39 _dcto_cl->incr_count();
|
|
|
40 #endif
|
|
|
41 }
|
|
|
42 }
|
|
|
43
|
|
|
44 inline void FilterIntoCSClosure::do_oop(oop* p)
|
|
|
45 {
|
|
|
46 do_oop_nv(p);
|
|
|
47 }
|
|
|
48
|
|
|
49 #define FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT 0
|
|
|
50
|
|
|
51 inline void FilterOutOfRegionClosure::do_oop_nv(oop* p) {
|
|
|
52 oop obj = *p;
|
|
|
53 HeapWord* obj_hw = (HeapWord*)obj;
|
|
|
54 if (obj_hw != NULL && (obj_hw < _r_bottom || obj_hw >= _r_end)) {
|
|
|
55 _oc->do_oop(p);
|
|
|
56 #if FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT
|
|
|
57 _out_of_region++;
|
|
|
58 #endif
|
|
|
59 }
|
|
|
60 }
|
|
|
61
|
|
|
62 inline void FilterOutOfRegionClosure::do_oop(oop* p)
|
|
|
63 {
|
|
|
64 do_oop_nv(p);
|
|
|
65 }
|
|
|
66
|
|
|
67 inline void FilterInHeapRegionAndIntoCSClosure::do_oop_nv(oop* p) {
|
|
|
68 oop obj = *p;
|
|
|
69 if (obj != NULL && _g1->obj_in_cs(obj))
|
|
|
70 _oc->do_oop(p);
|
|
|
71 }
|
|
|
72
|
|
|
73 inline void FilterInHeapRegionAndIntoCSClosure::do_oop(oop* p)
|
|
|
74 {
|
|
|
75 do_oop_nv(p);
|
|
|
76 }
|
|
|
77
|
|
|
78
|
|
|
79 inline void FilterAndMarkInHeapRegionAndIntoCSClosure::do_oop_nv(oop* p) {
|
|
|
80 oop obj = *p;
|
|
|
81 if (obj != NULL) {
|
|
|
82 HeapRegion* hr = _g1->heap_region_containing((HeapWord*) obj);
|
|
|
83 if (hr != NULL) {
|
|
|
84 if (hr->in_collection_set())
|
|
|
85 _oc->do_oop(p);
|
|
|
86 else if (!hr->is_young())
|
|
|
87 _cm->grayRoot(obj);
|
|
|
88 }
|
|
|
89 }
|
|
|
90 }
|
|
|
91
|
|
|
92 inline void FilterAndMarkInHeapRegionAndIntoCSClosure::do_oop(oop* p)
|
|
|
93 {
|
|
|
94 do_oop_nv(p);
|
|
|
95 }
|
|
|
96
|
|
|
97 inline void G1ScanAndBalanceClosure::do_oop_nv(oop* p) {
|
|
|
98 RefToScanQueue* q;
|
|
|
99 if (ParallelGCThreads > 0) {
|
|
|
100 // Deal the work out equally.
|
|
|
101 _nq = (_nq + 1) % ParallelGCThreads;
|
|
|
102 q = _g1->task_queue(_nq);
|
|
|
103 } else {
|
|
|
104 q = _g1->task_queue(0);
|
|
|
105 }
|
|
|
106 bool nooverflow = q->push(p);
|
|
|
107 guarantee(nooverflow, "Overflow during poplularity region processing");
|
|
|
108 }
|
|
|
109
|
|
|
110 inline void G1ScanAndBalanceClosure::do_oop(oop* p) {
|
|
|
111 do_oop_nv(p);
|
|
|
112 }
|
