1 /* |
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2 * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP |
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26 #define SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP |
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27 |
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28 #include "utilities/macros.hpp" |
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29 #if INCLUDE_CMSGC |
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30 #include "gc/cms/cms_specialized_oop_closures.hpp" |
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31 #endif |
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32 #if INCLUDE_G1GC |
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33 #include "gc/g1/g1_specialized_oop_closures.hpp" |
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34 #endif |
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35 #if INCLUDE_SERIALGC |
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36 #include "gc/serial/serial_specialized_oop_closures.hpp" |
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37 #endif |
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38 #if INCLUDE_ZGC |
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39 #include "gc/z/z_specialized_oop_closures.hpp" |
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40 #endif |
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41 |
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42 // The following OopClosure types get specialized versions of |
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43 // "oop_oop_iterate" that invoke the closures' do_oop methods |
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44 // non-virtually, using a mechanism defined in this file. Extend these |
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45 // macros in the obvious way to add specializations for new closures. |
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46 |
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47 // Forward declarations. |
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48 class ExtendedOopClosure; |
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49 class NoHeaderExtendedOopClosure; |
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50 class OopsInGenClosure; |
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51 |
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52 // This macro applies an argument macro to all OopClosures for which we |
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53 // want specialized bodies of "oop_oop_iterate". The arguments to "f" are: |
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54 // "f(closureType, non_virtual)" |
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55 // where "closureType" is the name of the particular subclass of ExtendedOopClosure, |
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56 // and "non_virtual" will be the string "_nv" if the closure type should |
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57 // have its "do_oop" method invoked non-virtually, or else the |
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58 // string "_v". ("ExtendedOopClosure" itself will be the only class in the latter |
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59 // category.) |
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60 |
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61 // This is split into several because of a Visual C++ 6.0 compiler bug |
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62 // where very long macros cause the compiler to crash |
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63 |
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64 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \ |
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65 f(NoHeaderExtendedOopClosure,_nv) \ |
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66 SERIALGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f)) \ |
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67 CMSGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)) |
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68 |
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69 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \ |
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70 SERIALGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_MS(f)) \ |
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71 CMSGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f)) \ |
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72 G1GC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(f)) \ |
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73 G1GC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1FULL(f)) \ |
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74 ZGC_ONLY(SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_Z(f)) |
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75 |
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76 // We separate these out, because sometime the general one has |
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77 // a different definition from the specialized ones, and sometimes it |
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78 // doesn't. |
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79 |
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80 #define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \ |
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81 f(ExtendedOopClosure,_v) \ |
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82 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) |
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83 |
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84 #define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \ |
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85 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) |
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86 |
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87 #endif // SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP |
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