1 /*
   2  * Copyright (c) 1997, 2013, 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_OOPS_TYPEARRAYKLASS_INLINE_HPP
  26 #define SHARE_VM_OOPS_TYPEARRAYKLASS_INLINE_HPP
  27 
  28 #include "oops/oop.inline.hpp"
  29 #include "oops/typeArrayKlass.hpp"
  30 #include "oops/typeArrayOop.hpp"
  31 
  32 class ExtendedOopClosure;
  33 
  34 inline int TypeArrayKlass::oop_oop_iterate_impl(oop obj, ExtendedOopClosure* closure) {
  35   assert(obj->is_typeArray(),"must be a type array");
  36   typeArrayOop t = typeArrayOop(obj);
  37   // Performance tweak: We skip iterating over the klass pointer since we
  38   // know that Universe::TypeArrayKlass never moves.
  39   return t->object_size();
  40 }
  41 
  42 #define TypeArrayKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)  \
  43                                                                         \
  44 int TypeArrayKlass::                                                    \
  45 oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) {          \
  46   return oop_oop_iterate_impl(obj, closure);                            \
  47 }
  48 
  49 #if INCLUDE_ALL_GCS
  50 #define TypeArrayKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)  \
  51                                                                                   \
  52 int TypeArrayKlass::                                                              \
  53 oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) {          \
  54   return oop_oop_iterate_impl(obj, closure);                                      \
  55 }
  56 #else
  57 #define TypeArrayKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
  58 #endif
  59 
  60 
  61 #define TypeArrayKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix)          \
  62                                                                                   \
  63 int TypeArrayKlass::                                                              \
  64 oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* closure, MemRegion mr) {  \
  65   return oop_oop_iterate_impl(obj, closure);                                      \
  66 }
  67 
  68 #define ALL_TYPE_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)  \
  69   TypeArrayKlass_OOP_OOP_ITERATE_DEFN(          OopClosureType, nv_suffix)    \
  70   TypeArrayKlass_OOP_OOP_ITERATE_DEFN_m(        OopClosureType, nv_suffix)    \
  71   TypeArrayKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
  72 
  73 #endif // SHARE_VM_OOPS_TYPEARRAYKLASS_INLINE_HPP