ysr@777: /*
stefank@2314:  * Copyright (c) 2001, 2010, 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_G1COLLECTEDHEAP_INLINE_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/g1/concurrentMark.hpp"
stefank@2314: #include "gc_implementation/g1/g1CollectedHeap.hpp"
stefank@2314: #include "gc_implementation/g1/heapRegionSeq.hpp"
stefank@2314: #include "utilities/taskqueue.hpp"
stefank@2314: 
ysr@777: // Inline functions for G1CollectedHeap
ysr@777: 
ysr@777: inline HeapRegion*
ysr@777: G1CollectedHeap::heap_region_containing(const void* addr) const {
ysr@777:   HeapRegion* hr = _hrs->addr_to_region(addr);
ysr@777:   // hr can be null if addr in perm_gen
ysr@777:   if (hr != NULL && hr->continuesHumongous()) {
ysr@777:     hr = hr->humongous_start_region();
ysr@777:   }
ysr@777:   return hr;
ysr@777: }
ysr@777: 
ysr@777: inline HeapRegion*
ysr@777: G1CollectedHeap::heap_region_containing_raw(const void* addr) const {
tonyp@961:   assert(_g1_reserved.contains(addr), "invariant");
johnc@1187:   size_t index = pointer_delta(addr, _g1_reserved.start(), 1)
johnc@1187:                                         >> HeapRegion::LogOfHRGrainBytes;
johnc@1187: 
tonyp@961:   HeapRegion* res = _hrs->at(index);
tonyp@961:   assert(res == _hrs->addr_to_region(addr), "sanity");
ysr@777:   return res;
ysr@777: }
ysr@777: 
ysr@777: inline bool G1CollectedHeap::obj_in_cs(oop obj) {
ysr@777:   HeapRegion* r = _hrs->addr_to_region(obj);
ysr@777:   return r != NULL && r->in_collection_set();
ysr@777: }
ysr@777: 
ysr@777: inline HeapWord* G1CollectedHeap::attempt_allocation(size_t word_size,
ysr@777:                                               bool permit_collection_pause) {
ysr@777:   HeapWord* res = NULL;
ysr@777: 
ysr@777:   assert( SafepointSynchronize::is_at_safepoint() ||
ysr@777:           Heap_lock->owned_by_self(), "pre-condition of the call" );
ysr@777: 
tonyp@2073:   // All humongous allocation requests should go through the slow path in
tonyp@2073:   // attempt_allocation_slow().
tonyp@2073:   if (!isHumongous(word_size) && _cur_alloc_region != NULL) {
ysr@777:     // If this allocation causes a region to become non empty,
ysr@777:     // then we need to update our free_regions count.
ysr@777: 
ysr@777:     if (_cur_alloc_region->is_empty()) {
ysr@777:       res = _cur_alloc_region->allocate(word_size);
ysr@777:       if (res != NULL)
ysr@777:         _free_regions--;
ysr@777:     } else {
ysr@777:       res = _cur_alloc_region->allocate(word_size);
ysr@777:     }
tonyp@2073: 
tonyp@2073:     if (res != NULL) {
tonyp@2073:       if (!SafepointSynchronize::is_at_safepoint()) {
tonyp@2073:         assert( Heap_lock->owned_by_self(), "invariant" );
tonyp@2073:         Heap_lock->unlock();
tonyp@2073:       }
tonyp@2073:       return res;
ysr@777:     }
ysr@777:   }
ysr@777:   // attempt_allocation_slow will also unlock the heap lock when appropriate.
ysr@777:   return attempt_allocation_slow(word_size, permit_collection_pause);
ysr@777: }
ysr@777: 
jcoomes@2064: inline RefToScanQueue* G1CollectedHeap::task_queue(int i) const {
ysr@777:   return _task_queues->queue(i);
ysr@777: }
ysr@777: 
ysr@777: inline  bool G1CollectedHeap::isMarkedPrev(oop obj) const {
ysr@777:   return _cm->prevMarkBitMap()->isMarked((HeapWord *)obj);
ysr@777: }
ysr@777: 
ysr@777: inline bool G1CollectedHeap::isMarkedNext(oop obj) const {
ysr@777:   return _cm->nextMarkBitMap()->isMarked((HeapWord *)obj);
ysr@777: }
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP