1 /* 2 * Copyright (c) 2013, 2019, Red Hat, Inc. 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 #include "precompiled.hpp" 26 27 #include "gc/shenandoah/shenandoahHeap.inline.hpp" 28 #include "gc/shenandoah/shenandoahUtils.hpp" 29 #include "gc/shenandoah/shenandoahVMOperations.hpp" 30 #include "memory/universe.hpp" 31 32 bool VM_ShenandoahReferenceOperation::doit_prologue() { 33 Heap_lock->lock(); 34 return true; 35 } 36 37 void VM_ShenandoahReferenceOperation::doit_epilogue() { 38 if (Universe::has_reference_pending_list()) { 39 Heap_lock->notify_all(); 40 } 41 Heap_lock->unlock(); 42 } 43 44 void VM_ShenandoahInitMark::doit() { 45 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 46 ShenandoahHeap::heap()->entry_init_mark(); 47 } 48 49 void VM_ShenandoahFinalMarkStartEvac::doit() { 50 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 51 ShenandoahHeap::heap()->entry_final_mark(); 52 } 53 54 void VM_ShenandoahFullGC::doit() { 55 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL); 56 ShenandoahHeap::heap()->entry_full(_gc_cause); 57 } 58 59 void VM_ShenandoahDegeneratedGC::doit() { 60 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 61 ShenandoahHeap::heap()->entry_degenerated(_point); 62 } 63 64 void VM_ShenandoahInitEvacUpdate::doit() { 65 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 66 ShenandoahHeap::heap()->entry_init_evac_update(); 67 } 68 69 void VM_ShenandoahFinalEvacUpdate::doit() { 70 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT); 71 ShenandoahHeap::heap()->entry_final_evac_update(); 72 }