ysr@777: /* tonyp@2962: * Copyright (c) 2001, 2011, Oracle and/or its affiliates. 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: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. ysr@777: * ysr@777: */ ysr@777: stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP stefank@2314: tonyp@2968: #include "gc_implementation/g1/concurrentMark.inline.hpp" stefank@2314: #include "gc_implementation/g1/g1CollectedHeap.hpp" stefank@2314: #include "gc_implementation/g1/g1OopClosures.hpp" stefank@2314: #include "gc_implementation/g1/g1RemSet.hpp" stefank@2314: 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@1280: template inline void FilterIntoCSClosure::do_oop_nv(T* p) { ysr@1280: T heap_oop = oopDesc::load_heap_oop(p); ysr@1280: if (!oopDesc::is_null(heap_oop) && ysr@1280: _g1->obj_in_cs(oopDesc::decode_heap_oop_not_null(heap_oop))) { ysr@777: _oc->do_oop(p); ysr@777: #if FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT johnc@2060: if (_dcto_cl != NULL) johnc@2060: _dcto_cl->incr_count(); ysr@777: #endif ysr@777: } ysr@777: } ysr@777: ysr@777: #define FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT 0 ysr@777: ysr@1280: template inline void FilterOutOfRegionClosure::do_oop_nv(T* p) { ysr@1280: T heap_oop = oopDesc::load_heap_oop(p); ysr@1280: if (!oopDesc::is_null(heap_oop)) { ysr@1280: HeapWord* obj_hw = (HeapWord*)oopDesc::decode_heap_oop_not_null(heap_oop); ysr@1280: if (obj_hw < _r_bottom || obj_hw >= _r_end) { ysr@1280: _oc->do_oop(p); ysr@777: #if FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT ysr@1280: _out_of_region++; ysr@777: #endif ysr@1280: } ysr@777: } ysr@777: } ysr@777: ysr@1280: // This closure is applied to the fields of the objects that have just been copied. ysr@1280: template inline void G1ParScanClosure::do_oop_nv(T* p) { ysr@1280: T heap_oop = oopDesc::load_heap_oop(p); ysr@1280: ysr@1280: if (!oopDesc::is_null(heap_oop)) { ysr@1280: oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); ysr@1280: if (_g1->in_cset_fast_test(obj)) { ysr@1280: // We're not going to even bother checking whether the object is ysr@1280: // already forwarded or not, as this usually causes an immediate ysr@1280: // stall. We'll try to prefetch the object (for write, given that ysr@1280: // we might need to install the forwarding reference) and we'll ysr@1280: // get back to it when pop it from the queue ysr@1280: Prefetch::write(obj->mark_addr(), 0); ysr@1280: Prefetch::read(obj->mark_addr(), (HeapWordSize*2)); ysr@1280: ysr@1280: // slightly paranoid test; I'm trying to catch potential ysr@1280: // problems before we go into push_on_queue to know where the ysr@1280: // problem is coming from johnc@3322: assert((obj == oopDesc::load_decode_heap_oop(p)) || johnc@3322: (obj->is_forwarded() && johnc@3322: obj->forwardee() == oopDesc::load_decode_heap_oop(p)), johnc@3322: "p should still be pointing to obj or to its forwardee"); johnc@3322: ysr@1280: _par_scan_state->push_on_queue(p); ysr@1280: } else { ysr@1280: _par_scan_state->update_rs(_from, p, _par_scan_state->queue_num()); ysr@1280: } ysr@1280: } ysr@777: } iveresov@1696: iveresov@1696: template inline void G1ParPushHeapRSClosure::do_oop_nv(T* p) { iveresov@1696: T heap_oop = oopDesc::load_heap_oop(p); iveresov@1696: iveresov@1696: if (!oopDesc::is_null(heap_oop)) { iveresov@1696: oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); iveresov@1696: if (_g1->in_cset_fast_test(obj)) { iveresov@1696: Prefetch::write(obj->mark_addr(), 0); iveresov@1696: Prefetch::read(obj->mark_addr(), (HeapWordSize*2)); johnc@2060: johnc@2060: // Place on the references queue iveresov@1696: _par_scan_state->push_on_queue(p); iveresov@1696: } iveresov@1696: } iveresov@1696: } johnc@2060: tonyp@2968: template inline void G1CMOopClosure::do_oop_nv(T* p) { tonyp@2968: assert(_g1h->is_in_g1_reserved((HeapWord*) p), "invariant"); tonyp@2968: assert(!_g1h->is_on_master_free_list( tonyp@2968: _g1h->heap_region_containing((HeapWord*) p)), "invariant"); tonyp@2968: tonyp@2968: oop obj = oopDesc::load_decode_heap_oop(p); tonyp@2968: if (_cm->verbose_high()) { tonyp@2968: gclog_or_tty->print_cr("[%d] we're looking at location " tonyp@2968: "*"PTR_FORMAT" = "PTR_FORMAT, tonyp@2968: _task->task_id(), p, (void*) obj); tonyp@2968: } tonyp@2968: _task->deal_with_reference(obj); tonyp@2968: } stefank@2314: stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP