src/hotspot/share/gc/shared/specialized_oop_closures.hpp
branchJDK-8145252-TLS13-branch
changeset 56807 b9e374d0534f
parent 56806 32a737f51e37
parent 50761 cb07f4b539fc
child 56808 d4844278d72c
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56806:32a737f51e37 56807:b9e374d0534f
     1 /*
       
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     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
       
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    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
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    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
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    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