1 /* 2 * Copyright (c) 2001, 2017, 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_CMSGC 30 #include "gc/cms/cms_specialized_oop_closures.hpp" 31 #endif 32 #if INCLUDE_G1GC 33 #include "gc/g1/g1_specialized_oop_closures.hpp" 34 #endif 35 #if INCLUDE_SERIALGC 36 #include "gc/serial/serial_specialized_oop_closures.hpp" 37 #endif 38 #if INCLUDE_ZGC 39 #include "gc/z/z_specialized_oop_closures.hpp" 40 #endif 41 42 // The following OopClosure types get specialized versions of 43 // "oop_oop_iterate" that invoke the closures' do_oop methods 44 // non-virtually, using a mechanism defined in this file. Extend these 45 // macros in the obvious way to add specializations for new closures. 46 47 // Forward declarations. 48 class ExtendedOopClosure; 49 class NoHeaderExtendedOopClosure; 50 class OopsInGenClosure; 51 52 // This macro applies an argument macro to all OopClosures for which we 53 // want specialized bodies of "oop_oop_iterate". The arguments to "f" are: 54 // "f(closureType, non_virtual)" 55 // where "closureType" is the name of the particular subclass of ExtendedOopClosure, 56 // and "non_virtual" will be the string "_nv" if the closure type should 57 // have its "do_oop" method invoked non-virtually, or else the 58 // string "_v". ("ExtendedOopClosure" itself will be the only class in the latter 59 // category.) 60 61 // This is split into several because of a Visual C++ 6.0 compiler bug 62 // where very long macros cause the compiler to crash 63 64 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \ 65 f(NoHeaderExtendedOopClosure,_nv) \ 66 SERIALGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f)) \ 67 CMSGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)) 68 69 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \ 70 SERIALGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_MS(f)) \ 71 CMSGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f)) \ 72 G1GC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(f)) \ 73 G1GC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1FULL(f)) \ 74 ZGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_Z(f)) 75 76 // We separate these out, because sometime the general one has 77 // a different definition from the specialized ones, and sometimes it 78 // doesn't. 79 80 #define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \ 81 f(ExtendedOopClosure,_v) \ 82 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) 83 84 #define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \ 85 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) 86 87 #endif // SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP