1 /* 2 * Copyright (c) 2001, 2015, 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_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP 26 #define SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP 27 28 #include "utilities/macros.hpp" 29 #if INCLUDE_ALL_GCS 30 #include "gc/g1/g1_specialized_oop_closures.hpp" 31 #endif // INCLUDE_ALL_GCS 32 33 // The following OopClosure types get specialized versions of 34 // "oop_oop_iterate" that invoke the closures' do_oop methods 35 // non-virtually, using a mechanism defined in this file. Extend these 36 // macros in the obvious way to add specializations for new closures. 37 38 // Forward declarations. 39 class OopClosure; 40 class OopsInGenClosure; 41 // DefNew 42 class ScanClosure; 43 class FastScanClosure; 44 class FilteringClosure; 45 // ParNew 46 class ParScanWithBarrierClosure; 47 class ParScanWithoutBarrierClosure; 48 // CMS 49 class MarkRefsIntoAndScanClosure; 50 class Par_MarkRefsIntoAndScanClosure; 51 class PushAndMarkClosure; 52 class Par_PushAndMarkClosure; 53 class PushOrMarkClosure; 54 class Par_PushOrMarkClosure; 55 class CMSKeepAliveClosure; 56 class CMSInnerParMarkAndPushClosure; 57 // Misc 58 class NoHeaderExtendedOopClosure; 59 60 // This macro applies an argument macro to all OopClosures for which we 61 // want specialized bodies of "oop_oop_iterate". The arguments to "f" are: 62 // "f(closureType, non_virtual)" 63 // where "closureType" is the name of the particular subclass of ExtendedOopClosure, 64 // and "non_virtual" will be the string "_nv" if the closure type should 65 // have its "do_oop" method invoked non-virtually, or else the 66 // string "_v". ("ExtendedOopClosure" itself will be the only class in the latter 67 // category.) 68 69 // This is split into several because of a Visual C++ 6.0 compiler bug 70 // where very long macros cause the compiler to crash 71 72 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \ 73 f(ScanClosure,_nv) \ 74 f(FastScanClosure,_nv) \ 75 f(FilteringClosure,_nv) 76 77 #if INCLUDE_ALL_GCS 78 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f) \ 79 f(ParScanWithBarrierClosure,_nv) \ 80 f(ParScanWithoutBarrierClosure,_nv) 81 #else // INCLUDE_ALL_GCS 82 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f) 83 #endif // INCLUDE_ALL_GCS 84 85 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \ 86 f(NoHeaderExtendedOopClosure,_nv) \ 87 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \ 88 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f) 89 90 #if INCLUDE_ALL_GCS 91 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f) \ 92 f(MarkRefsIntoAndScanClosure,_nv) \ 93 f(Par_MarkRefsIntoAndScanClosure,_nv) \ 94 f(PushAndMarkClosure,_nv) \ 95 f(Par_PushAndMarkClosure,_nv) \ 96 f(PushOrMarkClosure,_nv) \ 97 f(Par_PushOrMarkClosure,_nv) \ 98 f(CMSKeepAliveClosure,_nv) \ 99 f(CMSInnerParMarkAndPushClosure,_nv) 100 #endif 101 102 #if INCLUDE_ALL_GCS 103 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \ 104 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f) \ 105 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(f) 106 #else // INCLUDE_ALL_GCS 107 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) 108 #endif // INCLUDE_ALL_GCS 109 110 111 // We separate these out, because sometime the general one has 112 // a different definition from the specialized ones, and sometimes it 113 // doesn't. 114 115 #define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \ 116 f(ExtendedOopClosure,_v) \ 117 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) 118 119 #define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \ 120 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) 121 122 #if INCLUDE_ALL_GCS 123 // This macro applies an argument macro to all OopClosures for which we 124 // want specialized bodies of a family of methods related to 125 // "par_oop_iterate". The arguments to f are the same as above. 126 // The "root_class" is the most general class to define; this may be 127 // "OopClosure" in some applications and "OopsInGenClosure" in others. 128 129 #define SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f) \ 130 f(MarkRefsIntoAndScanClosure,_nv) \ 131 f(PushAndMarkClosure,_nv) \ 132 f(Par_MarkRefsIntoAndScanClosure,_nv) \ 133 f(Par_PushAndMarkClosure,_nv) 134 135 #define ALL_PAR_OOP_ITERATE_CLOSURES(f) \ 136 f(ExtendedOopClosure,_v) \ 137 SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f) 138 #endif // INCLUDE_ALL_GCS 139 140 // This macro applies an argument macro to all OopClosures for which we 141 // want specialized bodies of a family of methods related to 142 // "oops_since_save_marks_do". The arguments to f are the same as above. 143 // The "root_class" is the most general class to define; this may be 144 // "OopClosure" in some applications and "OopsInGenClosure" in others. 145 146 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f) \ 147 f(ScanClosure,_nv) \ 148 f(FastScanClosure,_nv) 149 150 #if INCLUDE_ALL_GCS 151 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f) \ 152 f(ParScanWithBarrierClosure,_nv) \ 153 f(ParScanWithoutBarrierClosure,_nv) 154 #else // INCLUDE_ALL_GCS 155 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f) 156 #endif // INCLUDE_ALL_GCS 157 158 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG(f) \ 159 SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f) \ 160 SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f) 161 162 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f) \ 163 SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG(f) 164 165 // We separate these out, because sometime the general one has 166 // a different definition from the specialized ones, and sometimes it 167 // doesn't. 168 169 #define ALL_SINCE_SAVE_MARKS_CLOSURES(f) \ 170 f(OopsInGenClosure,_v) \ 171 SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f) 172 173 #endif // SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP