1 /* 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. 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 inline PSPromotionManager* PSPromotionManager::manager_array(int index) { 26 assert(_manager_array != NULL, "access of NULL manager_array"); 27 assert(index >= 0 && index <= (int)ParallelGCThreads, "out of range manager_array access"); 28 return _manager_array[index]; 29 } 30 31 template <class T> 32 inline void PSPromotionManager::claim_or_forward_internal_depth(T* p) { 33 if (p != NULL) { // XXX: error if p != NULL here 34 oop o = oopDesc::load_decode_heap_oop_not_null(p); 35 if (o->is_forwarded()) { 36 o = o->forwardee(); 37 // Card mark 38 if (PSScavenge::is_obj_in_young((HeapWord*) o)) { 39 PSScavenge::card_table()->inline_write_ref_field_gc(p, o); 40 } 41 oopDesc::encode_store_heap_oop_not_null(p, o); 42 } else { 43 push_depth(p); 44 } 45 } 46 } 47 48 template <class T> 49 inline void PSPromotionManager::claim_or_forward_depth(T* p) { 50 assert(PSScavenge::should_scavenge(p, true), "revisiting object?"); 51 assert(Universe::heap()->kind() == CollectedHeap::ParallelScavengeHeap, 52 "Sanity"); 53 assert(Universe::heap()->is_in(p), "pointer outside heap"); 54 55 claim_or_forward_internal_depth(p); 56 } 57 58 inline void PSPromotionManager::process_popped_location_depth(StarTask p) { 59 if (is_oop_masked(p)) { 60 assert(PSChunkLargeArrays, "invariant"); 61 oop const old = unmask_chunked_array_oop(p); 62 process_array_chunk(old); 63 } else { 64 if (p.is_narrow()) { 65 assert(UseCompressedOops, "Error"); 66 PSScavenge::copy_and_push_safe_barrier(this, (narrowOop*)p); 67 } else { 68 PSScavenge::copy_and_push_safe_barrier(this, (oop*)p); 69 } 70 } 71 } 72 73 #if TASKQUEUE_STATS 74 void PSPromotionManager::record_steal(StarTask& p) { 75 if (is_oop_masked(p)) { 76 ++_masked_steals; 77 } 78 } 79 #endif // TASKQUEUE_STATS