1 /* 2 * Copyright (c) 2013, 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #include "precompiled.hpp" 25 26 #include "gc/shenandoah/shenandoahHeap.inline.hpp" 27 #include "gc/shenandoah/shenandoahUtils.hpp" 28 #include "gc/shenandoah/shenandoahVMOperations.hpp" 29 #include "memory/universe.hpp" 30 31 bool VM_ShenandoahReferenceOperation::doit_prologue() { 32 Heap_lock->lock(); 33 return true; 34 } 35 36 void VM_ShenandoahReferenceOperation::doit_epilogue() { 37 if (Universe::has_reference_pending_list()) { 38 Heap_lock->notify_all(); 39 } 40 Heap_lock->unlock(); 41 } 42 43 void VM_ShenandoahInitMark::doit() { 44 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 45 ShenandoahHeap::heap()->entry_init_mark(); 46 } 47 48 void VM_ShenandoahFinalMarkStartEvac::doit() { 49 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 50 ShenandoahHeap::heap()->entry_final_mark(); 51 } 52 53 void VM_ShenandoahFinalEvac::doit() { 54 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 55 ShenandoahHeap::heap()->entry_final_evac(); 56 } 57 58 void VM_ShenandoahFullGC::doit() { 59 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL); 60 ShenandoahHeap::heap()->entry_full(_gc_cause); 61 } 62 63 void VM_ShenandoahDegeneratedGC::doit() { 64 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 65 ShenandoahHeap::heap()->entry_degenerated(_point); 66 } 67 68 void VM_ShenandoahInitTraversalGC::doit() { 69 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 70 ShenandoahHeap::heap()->entry_init_traversal(); 71 } 72 73 void VM_ShenandoahFinalTraversalGC::doit() { 74 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 75 ShenandoahHeap::heap()->entry_final_traversal(); 76 } 77 78 void VM_ShenandoahInitUpdateRefs::doit() { 79 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 80 ShenandoahHeap::heap()->entry_init_updaterefs(); 81 } 82 83 void VM_ShenandoahFinalUpdateRefs::doit() { 84 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 85 ShenandoahHeap::heap()->entry_final_updaterefs(); 86 }