Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1OopClosures.inline.hpp @ 20198:c49dcaf78a65
8042737: Introduce umbrella header prefetch.inline.hpp
Reviewed-by: twisti, stefank
author | goetz |
---|---|
date | Thu, 08 May 2014 15:37:17 +0200 |
parents | 78bbf4d43a14 |
children | b0c374311c4e |
rev | line source |
---|---|
342 | 1 /* |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17805
diff
changeset
|
2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. |
342 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1261
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1261
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1261
diff
changeset
|
21 * questions. |
342 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP | |
27 | |
3771 | 28 #include "gc_implementation/g1/concurrentMark.inline.hpp" |
1972 | 29 #include "gc_implementation/g1/g1CollectedHeap.hpp" |
30 #include "gc_implementation/g1/g1OopClosures.hpp" | |
31 #include "gc_implementation/g1/g1RemSet.hpp" | |
14391 | 32 #include "gc_implementation/g1/g1RemSet.inline.hpp" |
6251
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
33 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
20198
c49dcaf78a65
8042737: Introduce umbrella header prefetch.inline.hpp
goetz
parents:
17937
diff
changeset
|
34 #include "runtime/prefetch.inline.hpp" |
1972 | 35 |
342 | 36 /* |
37 * This really ought to be an inline function, but apparently the C++ | |
38 * compiler sometimes sees fit to ignore inline declarations. Sigh. | |
39 */ | |
40 | |
4837
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
41 template <class T> |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
42 inline void FilterIntoCSClosure::do_oop_nv(T* p) { |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
43 T heap_oop = oopDesc::load_heap_oop(p); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
44 if (!oopDesc::is_null(heap_oop) && |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
45 _g1->obj_in_cs(oopDesc::decode_heap_oop_not_null(heap_oop))) { |
342 | 46 _oc->do_oop(p); |
47 } | |
48 } | |
49 | |
4837
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
50 template <class T> |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
51 inline void FilterOutOfRegionClosure::do_oop_nv(T* p) { |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
52 T heap_oop = oopDesc::load_heap_oop(p); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
53 if (!oopDesc::is_null(heap_oop)) { |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
54 HeapWord* obj_hw = (HeapWord*)oopDesc::decode_heap_oop_not_null(heap_oop); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
55 if (obj_hw < _r_bottom || obj_hw >= _r_end) { |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
56 _oc->do_oop(p); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
57 } |
342 | 58 } |
59 } | |
60 | |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
61 // This closure is applied to the fields of the objects that have just been copied. |
4837
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
62 template <class T> |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
63 inline void G1ParScanClosure::do_oop_nv(T* p) { |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
64 T heap_oop = oopDesc::load_heap_oop(p); |
342 | 65 |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
66 if (!oopDesc::is_null(heap_oop)) { |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
67 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
68 if (_g1->in_cset_fast_test(obj)) { |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
69 // We're not going to even bother checking whether the object is |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
70 // already forwarded or not, as this usually causes an immediate |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
71 // stall. We'll try to prefetch the object (for write, given that |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
72 // we might need to install the forwarding reference) and we'll |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
73 // get back to it when pop it from the queue |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
74 Prefetch::write(obj->mark_addr(), 0); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
75 Prefetch::read(obj->mark_addr(), (HeapWordSize*2)); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
76 |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
77 // slightly paranoid test; I'm trying to catch potential |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
78 // problems before we go into push_on_queue to know where the |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
79 // problem is coming from |
4126
4406629aa157
7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj
johnc
parents:
3771
diff
changeset
|
80 assert((obj == oopDesc::load_decode_heap_oop(p)) || |
4406629aa157
7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj
johnc
parents:
3771
diff
changeset
|
81 (obj->is_forwarded() && |
4406629aa157
7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj
johnc
parents:
3771
diff
changeset
|
82 obj->forwardee() == oopDesc::load_decode_heap_oop(p)), |
4406629aa157
7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj
johnc
parents:
3771
diff
changeset
|
83 "p should still be pointing to obj or to its forwardee"); |
4406629aa157
7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj
johnc
parents:
3771
diff
changeset
|
84 |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
85 _par_scan_state->push_on_queue(p); |
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
86 } else { |
17687
86b64209f715
8027559: Decrease code size and templatizing in G1ParCopyClosure::do_oop_work
tschatzl
parents:
6862
diff
changeset
|
87 _par_scan_state->update_rs(_from, p, _worker_id); |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
342
diff
changeset
|
88 } |
342 | 89 } |
90 } | |
1261 | 91 |
4837
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
92 template <class T> |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
93 inline void G1ParPushHeapRSClosure::do_oop_nv(T* p) { |
1261 | 94 T heap_oop = oopDesc::load_heap_oop(p); |
95 | |
96 if (!oopDesc::is_null(heap_oop)) { | |
97 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); | |
98 if (_g1->in_cset_fast_test(obj)) { | |
99 Prefetch::write(obj->mark_addr(), 0); | |
100 Prefetch::read(obj->mark_addr(), (HeapWordSize*2)); | |
1705 | 101 |
102 // Place on the references queue | |
1261 | 103 _par_scan_state->push_on_queue(p); |
104 } | |
105 } | |
106 } | |
1705 | 107 |
4837
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
108 template <class T> |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
109 inline void G1CMOopClosure::do_oop_nv(T* p) { |
3771 | 110 assert(_g1h->is_in_g1_reserved((HeapWord*) p), "invariant"); |
111 assert(!_g1h->is_on_master_free_list( | |
112 _g1h->heap_region_containing((HeapWord*) p)), "invariant"); | |
113 | |
114 oop obj = oopDesc::load_decode_heap_oop(p); | |
115 if (_cm->verbose_high()) { | |
6862
8a5ea0a9ccc4
7127708: G1: change task num types from int to uint in concurrent mark
johnc
parents:
6254
diff
changeset
|
116 gclog_or_tty->print_cr("[%u] we're looking at location " |
3771 | 117 "*"PTR_FORMAT" = "PTR_FORMAT, |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17805
diff
changeset
|
118 _task->worker_id(), p2i(p), p2i((void*) obj)); |
3771 | 119 } |
120 _task->deal_with_reference(obj); | |
121 } | |
1972 | 122 |
4837
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
123 template <class T> |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
124 inline void G1RootRegionScanClosure::do_oop_nv(T* p) { |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
125 T heap_oop = oopDesc::load_heap_oop(p); |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
126 if (!oopDesc::is_null(heap_oop)) { |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
127 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
128 HeapRegion* hr = _g1h->heap_region_containing((HeapWord*) obj); |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
129 if (hr != NULL) { |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
130 _cm->grayRoot(obj, obj->size(), _worker_id, hr); |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
131 } |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
132 } |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
133 } |
eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
tonyp
parents:
4126
diff
changeset
|
134 |
4839 | 135 template <class T> |
136 inline void G1Mux2Closure::do_oop_nv(T* p) { | |
137 // Apply first closure; then apply the second. | |
138 _c1->do_oop(p); | |
139 _c2->do_oop(p); | |
140 } | |
141 | |
142 template <class T> | |
143 inline void G1TriggerClosure::do_oop_nv(T* p) { | |
144 // Record that this closure was actually applied (triggered). | |
145 _triggered = true; | |
146 } | |
147 | |
148 template <class T> | |
149 inline void G1InvokeIfNotTriggeredClosure::do_oop_nv(T* p) { | |
150 if (!_trigger_cl->triggered()) { | |
151 _oop_cl->do_oop(p); | |
152 } | |
153 } | |
154 | |
155 template <class T> | |
156 inline void G1UpdateRSOrPushRefOopClosure::do_oop_nv(T* p) { | |
157 oop obj = oopDesc::load_decode_heap_oop(p); | |
158 #ifdef ASSERT | |
159 // can't do because of races | |
160 // assert(obj == NULL || obj->is_oop(), "expected an oop"); | |
161 | |
162 // Do the safe subset of is_oop | |
163 if (obj != NULL) { | |
164 #ifdef CHECK_UNHANDLED_OOPS | |
165 oopDesc* o = obj.obj(); | |
166 #else | |
167 oopDesc* o = obj; | |
168 #endif // CHECK_UNHANDLED_OOPS | |
169 assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned"); | |
170 assert(Universe::heap()->is_in_reserved(obj), "must be in heap"); | |
171 } | |
172 #endif // ASSERT | |
173 | |
174 assert(_from != NULL, "from region must be non-NULL"); | |
6251
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
175 assert(_from->is_in_reserved(p), "p is not in from"); |
4839 | 176 |
177 HeapRegion* to = _g1->heap_region_containing(obj); | |
178 if (to != NULL && _from != to) { | |
179 // The _record_refs_into_cset flag is true during the RSet | |
180 // updating part of an evacuation pause. It is false at all | |
181 // other times: | |
182 // * rebuilding the rembered sets after a full GC | |
183 // * during concurrent refinement. | |
184 // * updating the remembered sets of regions in the collection | |
185 // set in the event of an evacuation failure (when deferred | |
186 // updates are enabled). | |
187 | |
188 if (_record_refs_into_cset && to->in_collection_set()) { | |
189 // We are recording references that point into the collection | |
190 // set and this particular reference does exactly that... | |
191 // If the referenced object has already been forwarded | |
192 // to itself, we are handling an evacuation failure and | |
193 // we have already visited/tried to copy this object | |
194 // there is no need to retry. | |
195 if (!self_forwarded(obj)) { | |
196 assert(_push_ref_cl != NULL, "should not be null"); | |
197 // Push the reference in the refs queue of the G1ParScanThreadState | |
198 // instance for this worker thread. | |
199 _push_ref_cl->do_oop(p); | |
200 } | |
201 | |
202 // Deferred updates to the CSet are either discarded (in the normal case), | |
203 // or processed (if an evacuation failure occurs) at the end | |
204 // of the collection. | |
205 // See G1RemSet::cleanup_after_oops_into_collection_set_do(). | |
6251
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
206 return; |
4839 | 207 } |
6251
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
208 |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
209 // We either don't care about pushing references that point into the |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
210 // collection set (i.e. we're not during an evacuation pause) _or_ |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
211 // the reference doesn't point into the collection set. Either way |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
212 // we add the reference directly to the RSet of the region containing |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
213 // the referenced object. |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
214 assert(to->rem_set() != NULL, "Need per-region 'into' remsets."); |
594dff5e3c2e
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
johnc
parents:
4839
diff
changeset
|
215 to->rem_set()->add_reference(p, _worker_i); |
4839 | 216 } |
217 } | |
218 | |
1972 | 219 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP |