ysr@777: /*
ysr@777:  * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
ysr@777:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ysr@777:  *
ysr@777:  * This code is free software; you can redistribute it and/or modify it
ysr@777:  * under the terms of the GNU General Public License version 2 only, as
ysr@777:  * published by the Free Software Foundation.
ysr@777:  *
ysr@777:  * This code is distributed in the hope that it will be useful, but WITHOUT
ysr@777:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ysr@777:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ysr@777:  * version 2 for more details (a copy is included in the LICENSE file that
ysr@777:  * accompanied this code).
ysr@777:  *
ysr@777:  * You should have received a copy of the GNU General Public License version
ysr@777:  * 2 along with this work; if not, write to the Free Software Foundation,
ysr@777:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ysr@777:  *
ysr@777:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
ysr@777:  * CA 95054 USA or visit www.sun.com if you need additional information or
ysr@777:  * have any questions.
ysr@777:  *
ysr@777:  */
ysr@777: 
ysr@777: /*
ysr@777:  * This really ought to be an inline function, but apparently the C++
ysr@777:  * compiler sometimes sees fit to ignore inline declarations.  Sigh.
ysr@777:  */
ysr@777: 
ysr@777: // This must a ifdef'ed because the counting it controls is in a
ysr@777: // perf-critical inner loop.
ysr@777: #define FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT 0
ysr@777: 
ysr@777: inline void FilterIntoCSClosure::do_oop_nv(oop* p) {
ysr@777:   oop obj = *p;
ysr@777:   if (obj != NULL && _g1->obj_in_cs(obj)) {
ysr@777:     _oc->do_oop(p);
ysr@777: #if FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT
ysr@777:     _dcto_cl->incr_count();
ysr@777: #endif
ysr@777:   }
ysr@777: }
ysr@777: 
ysr@777: inline void FilterIntoCSClosure::do_oop(oop* p)
ysr@777: {
ysr@777:   do_oop_nv(p);
ysr@777: }
ysr@777: 
ysr@777: #define FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT 0
ysr@777: 
ysr@777: inline void FilterOutOfRegionClosure::do_oop_nv(oop* p) {
ysr@777:   oop obj = *p;
ysr@777:   HeapWord* obj_hw = (HeapWord*)obj;
ysr@777:   if (obj_hw != NULL && (obj_hw < _r_bottom || obj_hw >= _r_end)) {
ysr@777:     _oc->do_oop(p);
ysr@777: #if FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT
ysr@777:     _out_of_region++;
ysr@777: #endif
ysr@777:   }
ysr@777: }
ysr@777: 
ysr@777: inline void FilterOutOfRegionClosure::do_oop(oop* p)
ysr@777: {
ysr@777:   do_oop_nv(p);
ysr@777: }
ysr@777: 
ysr@777: inline void FilterInHeapRegionAndIntoCSClosure::do_oop_nv(oop* p) {
ysr@777:   oop obj = *p;
ysr@777:   if (obj != NULL && _g1->obj_in_cs(obj))
ysr@777:     _oc->do_oop(p);
ysr@777: }
ysr@777: 
ysr@777: inline void FilterInHeapRegionAndIntoCSClosure::do_oop(oop* p)
ysr@777: {
ysr@777:   do_oop_nv(p);
ysr@777: }
ysr@777: 
ysr@777: 
ysr@777: inline void FilterAndMarkInHeapRegionAndIntoCSClosure::do_oop_nv(oop* p) {
ysr@777:   oop obj = *p;
ysr@777:   if (obj != NULL) {
ysr@777:     HeapRegion* hr = _g1->heap_region_containing((HeapWord*) obj);
ysr@777:     if (hr != NULL) {
ysr@777:       if (hr->in_collection_set())
ysr@777:         _oc->do_oop(p);
ysr@777:       else if (!hr->is_young())
ysr@777:         _cm->grayRoot(obj);
ysr@777:     }
ysr@777:   }
ysr@777: }
ysr@777: 
ysr@777: inline void FilterAndMarkInHeapRegionAndIntoCSClosure::do_oop(oop* p)
ysr@777: {
ysr@777:   do_oop_nv(p);
ysr@777: }
ysr@777: 
ysr@777: inline void G1ScanAndBalanceClosure::do_oop_nv(oop* p) {
ysr@777:   RefToScanQueue* q;
ysr@777:   if (ParallelGCThreads > 0) {
ysr@777:     // Deal the work out equally.
ysr@777:     _nq = (_nq + 1) % ParallelGCThreads;
ysr@777:     q = _g1->task_queue(_nq);
ysr@777:   } else {
ysr@777:     q = _g1->task_queue(0);
ysr@777:   }
ysr@777:   bool nooverflow = q->push(p);
ysr@777:   guarantee(nooverflow, "Overflow during poplularity region processing");
ysr@777: }
ysr@777: 
ysr@777: inline void G1ScanAndBalanceClosure::do_oop(oop* p) {
ysr@777:   do_oop_nv(p);
ysr@777: }