1 /* 2 * Copyright (c) 2013, 2015, Red Hat, Inc. and/or its affiliates. 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 #ifndef SHARE_VM_GC_SHENANDOAH_VM_OPERATIONS_SHENANDOAH_HPP 25 #define SHARE_VM_GC_SHENANDOAH_VM_OPERATIONS_SHENANDOAH_HPP 26 27 #include "gc/shenandoah/shenandoahConcurrentMark.hpp" 28 #include "gc/shared/vmGCOperations.hpp" 29 30 // VM_operations for the Shenandoah Collector. 31 // 32 // VM_ShenandoahOperation 33 // - VM_ShenandoahInitMark: initiate concurrent marking 34 // - VM_ShenandoahReferenceOperation: 35 // - VM_ShenandoahStartEvacuation: finish up concurrent marking, and start evacuation 36 // - VM_ShenandoahFullGC: do full GC 37 38 class VM_ShenandoahOperation : public VM_Operation { 39 protected: 40 uint _gc_id; 41 public: 42 VM_ShenandoahOperation() : _gc_id(GCId::current()) {}; 43 }; 44 45 class VM_ShenandoahReferenceOperation : public VM_ShenandoahOperation { 46 public: 47 VM_ShenandoahReferenceOperation() : VM_ShenandoahOperation() {}; 48 bool doit_prologue(); 49 void doit_epilogue(); 50 }; 51 52 class VM_ShenandoahInitMark: public VM_ShenandoahOperation { 53 public: 54 VM_ShenandoahInitMark() : VM_ShenandoahOperation() {}; 55 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahInitMark; } 56 const char* name() const { return "Shenandoah Initial Marking"; } 57 virtual void doit(); 58 }; 59 60 class VM_ShenandoahStartEvacuation: public VM_ShenandoahReferenceOperation { 61 public: 62 VM_ShenandoahStartEvacuation() : VM_ShenandoahReferenceOperation() {}; 63 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahStartEvacuation; } 64 const char* name() const { return "Start Shenandoah evacuation"; } 65 virtual void doit(); 66 }; 67 68 class VM_ShenandoahFullGC : public VM_ShenandoahReferenceOperation { 69 private: 70 GCCause::Cause _gc_cause; 71 public: 72 VM_ShenandoahFullGC(GCCause::Cause gc_cause) : VM_ShenandoahReferenceOperation(), _gc_cause(gc_cause) {}; 73 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahFullGC; } 74 const char* name() const { return "Shenandoah Full GC"; } 75 virtual void doit(); 76 }; 77 78 class VM_ShenandoahVerifyHeapAfterEvacuation: public VM_ShenandoahOperation { 79 public: 80 VM_ShenandoahVerifyHeapAfterEvacuation() : VM_ShenandoahOperation() {}; 81 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahVerifyHeapAfterEvacuation; } 82 const char* name() const { return "Shenandoah verify heap after evacuation"; } 83 virtual void doit(); 84 }; 85 86 #endif //SHARE_VM_GC_SHENANDOAH_VM_OPERATIONS_SHENANDOAH_HPP