1 /*
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  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).
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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_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 // MarkSweep
  46 class MarkAndPushClosure;
  47 // ParNew
  48 class ParScanWithBarrierClosure;
  49 class ParScanWithoutBarrierClosure;
  50 // CMS
  51 class MarkRefsIntoAndScanClosure;
  52 class ParMarkRefsIntoAndScanClosure;
  53 class PushAndMarkClosure;
  54 class ParPushAndMarkClosure;
  55 class PushOrMarkClosure;
  56 class ParPushOrMarkClosure;
  57 class CMSKeepAliveClosure;
  58 class CMSInnerParMarkAndPushClosure;
  59 // Misc
  60 class NoHeaderExtendedOopClosure;
  61 
  62 // This macro applies an argument macro to all OopClosures for which we
  63 // want specialized bodies of "oop_oop_iterate".  The arguments to "f" are:
  64 //   "f(closureType, non_virtual)"
  65 // where "closureType" is the name of the particular subclass of ExtendedOopClosure,
  66 // and "non_virtual" will be the string "_nv" if the closure type should
  67 // have its "do_oop" method invoked non-virtually, or else the
  68 // string "_v".  ("ExtendedOopClosure" itself will be the only class in the latter
  69 // category.)
  70 
  71 // This is split into several because of a Visual C++ 6.0 compiler bug
  72 // where very long macros cause the compiler to crash
  73 
  74 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f)       \
  75   f(ScanClosure,_nv)                                    \
  76   f(FastScanClosure,_nv)                                \
  77   f(FilteringClosure,_nv)
  78 
  79 #if INCLUDE_ALL_GCS
  80 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)       \
  81   f(ParScanWithBarrierClosure,_nv)                      \
  82   f(ParScanWithoutBarrierClosure,_nv)
  83 #else  // INCLUDE_ALL_GCS
  84 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
  85 #endif // INCLUDE_ALL_GCS
  86 
  87 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f)       \
  88   f(NoHeaderExtendedOopClosure,_nv)                     \
  89   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f)             \
  90   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
  91 
  92 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_MS(f)      \
  93   f(MarkAndPushClosure,_nv)
  94 
  95 #if INCLUDE_ALL_GCS
  96 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f)     \
  97   f(MarkRefsIntoAndScanClosure,_nv)                     \
  98   f(ParMarkRefsIntoAndScanClosure,_nv)                  \
  99   f(PushAndMarkClosure,_nv)                             \
 100   f(ParPushAndMarkClosure,_nv)                          \
 101   f(PushOrMarkClosure,_nv)                              \
 102   f(ParPushOrMarkClosure,_nv)                           \
 103   f(CMSKeepAliveClosure,_nv)                            \
 104   f(CMSInnerParMarkAndPushClosure,_nv)
 105 #endif
 106 
 107 #if INCLUDE_ALL_GCS
 108 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)       \
 109   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_MS(f)            \
 110   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f)           \
 111   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(f)
 112 #else  // INCLUDE_ALL_GCS
 113 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)       \
 114   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_MS(f)
 115 #endif // INCLUDE_ALL_GCS
 116 
 117 
 118 // We separate these out, because sometime the general one has
 119 // a different definition from the specialized ones, and sometimes it
 120 // doesn't.
 121 
 122 #define ALL_OOP_OOP_ITERATE_CLOSURES_1(f)               \
 123   f(ExtendedOopClosure,_v)                              \
 124   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f)
 125 
 126 #define ALL_OOP_OOP_ITERATE_CLOSURES_2(f)               \
 127   SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)
 128 
 129 #if INCLUDE_ALL_GCS
 130 // This macro applies an argument macro to all OopClosures for which we
 131 // want specialized bodies of a family of methods related to
 132 // "par_oop_iterate".  The arguments to f are the same as above.
 133 // The "root_class" is the most general class to define; this may be
 134 // "OopClosure" in some applications and "OopsInGenClosure" in others.
 135 
 136 #define SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f)        \
 137   f(MarkRefsIntoAndScanClosure,_nv)                    \
 138   f(PushAndMarkClosure,_nv)                            \
 139   f(ParMarkRefsIntoAndScanClosure,_nv)                 \
 140   f(ParPushAndMarkClosure,_nv)
 141 
 142 #define ALL_PAR_OOP_ITERATE_CLOSURES(f)                \
 143   f(ExtendedOopClosure,_v)                             \
 144   SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f)
 145 #endif // INCLUDE_ALL_GCS
 146 
 147 // This macro applies an argument macro to all OopClosures for which we
 148 // want specialized bodies of a family of methods related to
 149 // "oops_since_save_marks_do".  The arguments to f are the same as above.
 150 // The "root_class" is the most general class to define; this may be
 151 // "OopClosure" in some applications and "OopsInGenClosure" in others.
 152 
 153 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f) \
 154   f(ScanClosure,_nv)                                     \
 155   f(FastScanClosure,_nv)
 156 
 157 #if INCLUDE_ALL_GCS
 158 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f) \
 159   f(ParScanWithBarrierClosure,_nv)                       \
 160   f(ParScanWithoutBarrierClosure,_nv)
 161 #else  // INCLUDE_ALL_GCS
 162 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f)
 163 #endif // INCLUDE_ALL_GCS
 164 
 165 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG(f)  \
 166   SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f)      \
 167   SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f)
 168 
 169 #define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)        \
 170   SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG(f)
 171 
 172 // We separate these out, because sometime the general one has
 173 // a different definition from the specialized ones, and sometimes it
 174 // doesn't.
 175 
 176 #define ALL_SINCE_SAVE_MARKS_CLOSURES(f)                \
 177   f(OopsInGenClosure,_v)                                \
 178   SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)
 179 
 180 #endif // SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP