1 /* 2 * Copyright (c) 2000, 2012, 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 #ifndef SHARE_VM_OOPS_OOP_INLINE2_HPP 26 #define SHARE_VM_OOPS_OOP_INLINE2_HPP 27 28 #include "gc_interface/collectedHeap.hpp" 29 #include "memory/generation.hpp" 30 #include "memory/universe.hpp" 31 #include "oops/oop.hpp" 32 33 // Implementation of all inlined member functions defined in oop.hpp 34 // We need a separate file to avoid circular references 35 36 inline bool oopDesc::is_scavengable() const { 37 return Universe::heap()->is_scavengable(this); 38 } 39 40 #ifdef ASSERT 41 template <class T> void assert_is_in(T *p) { 42 T heap_oop = oopDesc::load_heap_oop(p); 43 if (!oopDesc::is_null(heap_oop)) { 44 oop o = oopDesc::decode_heap_oop_not_null(heap_oop); 45 assert(Universe::heap()->is_in(o), "should be in heap"); 46 } 47 } 48 template <class T> void assert_is_in_closed_subset(T *p) { 49 T heap_oop = oopDesc::load_heap_oop(p); 50 if (!oopDesc::is_null(heap_oop)) { 51 oop o = oopDesc::decode_heap_oop_not_null(heap_oop); 52 assert(Universe::heap()->is_in_closed_subset(o), "should be in closed"); 53 } 54 } 55 template <class T> void assert_is_in_reserved(T *p) { 56 T heap_oop = oopDesc::load_heap_oop(p); 57 if (!oopDesc::is_null(heap_oop)) { 58 oop o = oopDesc::decode_heap_oop_not_null(heap_oop); 59 assert(Universe::heap()->is_in_reserved(o), "should be in reserved"); 60 } 61 } 62 #endif // ASSERT 63 64 template <bool nv, typename OopClosureType> 65 class Devirtualizer { 66 public: 67 static bool do_metadata(OopClosureType* closure) { ShouldNotReachHere(); return false; } 68 static void do_klass(OopClosureType* closure, Klass* k) { ShouldNotReachHere(); } 69 template <typename T> 70 static void do_oop(OopClosureType* closure, T* p) { ShouldNotReachHere(); } 71 }; 72 73 template <typename OopClosureType> 74 class Devirtualizer<true, OopClosureType> { 75 public: 76 static bool do_metadata(OopClosureType* closure) { return closure->do_metadata_nv(); } 77 static void do_klass(OopClosureType* closure, Klass* k) { closure->do_klass_nv(k); } 78 template <typename T> 79 static void do_oop(OopClosureType* closure, T* p) { closure->do_oop_nv(p); } 80 }; 81 82 template <typename OopClosureType> 83 class Devirtualizer<false, OopClosureType> { 84 public: 85 static bool do_metadata(OopClosureType* closure) { return closure->do_metadata(); } 86 static void do_klass(OopClosureType* closure, Klass* k) { closure->do_klass(k); } 87 template <typename T> 88 static void do_oop(OopClosureType* closure, T* p) { closure->do_oop(p); } 89 }; 90 91 #endif // SHARE_VM_OOPS_OOP_INLINE2_HPP