src/share/vm/oops/arrayKlassKlass.cpp

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 435
a61af66fc99e
child 1590
4e6abf09f540
permissions
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     1 /*
     2  * Copyright 1997-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 # include "incls/_precompiled.incl"
    26 # include "incls/_arrayKlassKlass.cpp.incl"
    29 klassOop arrayKlassKlass::create_klass(TRAPS) {
    30   arrayKlassKlass o;
    31   KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
    32   KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
    33   // Make sure size calculation is right
    34   assert(k()->size() == align_object_size(header_size()), "wrong size for object");
    35   java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror, make links
    36   return k();
    37 }
    39 bool arrayKlassKlass::oop_is_parsable(oop obj) const {
    40   assert(obj->is_klass(), "must be klass");
    41   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
    42   return (!ak->null_vtbl()) && ak->object_is_parsable();
    43 }
    45 void arrayKlassKlass::oop_follow_contents(oop obj) {
    46   assert(obj->is_klass(), "must be klass");
    47   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
    48   MarkSweep::mark_and_push(ak->adr_component_mirror());
    49   MarkSweep::mark_and_push(ak->adr_lower_dimension());
    50   MarkSweep::mark_and_push(ak->adr_higher_dimension());
    51   {
    52     HandleMark hm;
    53     ak->vtable()->oop_follow_contents();
    54   }
    55   klassKlass::oop_follow_contents(obj);
    56 }
    58 #ifndef SERIALGC
    59 void arrayKlassKlass::oop_follow_contents(ParCompactionManager* cm,
    60                                           oop obj) {
    61   assert(obj->is_klass(), "must be klass");
    62   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
    63   PSParallelCompact::mark_and_push(cm, ak->adr_component_mirror());
    64   PSParallelCompact::mark_and_push(cm, ak->adr_lower_dimension());
    65   PSParallelCompact::mark_and_push(cm, ak->adr_higher_dimension());
    66   {
    67     HandleMark hm;
    68     ak->vtable()->oop_follow_contents(cm);
    69   }
    70   klassKlass::oop_follow_contents(cm, obj);
    71 }
    72 #endif // SERIALGC
    75 int arrayKlassKlass::oop_adjust_pointers(oop obj) {
    76   assert(obj->is_klass(), "must be klass");
    77   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
    78   MarkSweep::adjust_pointer(ak->adr_component_mirror());
    79   MarkSweep::adjust_pointer(ak->adr_lower_dimension());
    80   MarkSweep::adjust_pointer(ak->adr_higher_dimension());
    81   {
    82     HandleMark hm;
    83     ak->vtable()->oop_adjust_pointers();
    84   }
    85   return klassKlass::oop_adjust_pointers(obj);
    86 }
    89 int arrayKlassKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
    90   assert(obj->is_klass(), "must be klass");
    91   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
    92   blk->do_oop(ak->adr_component_mirror());
    93   blk->do_oop(ak->adr_lower_dimension());
    94   blk->do_oop(ak->adr_higher_dimension());
    95   ak->vtable()->oop_oop_iterate(blk);
    96   return klassKlass::oop_oop_iterate(obj, blk);
    97 }
   100 int arrayKlassKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) {
   101   assert(obj->is_klass(), "must be klass");
   102   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
   103   blk->do_oop(ak->adr_component_mirror());
   104   blk->do_oop(ak->adr_lower_dimension());
   105   blk->do_oop(ak->adr_higher_dimension());
   106   ak->vtable()->oop_oop_iterate_m(blk, mr);
   107   return klassKlass::oop_oop_iterate_m(obj, blk, mr);
   108 }
   110 #ifndef SERIALGC
   111 void arrayKlassKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
   112   assert(obj->blueprint()->oop_is_arrayKlass(),"must be an array klass");
   113 }
   115 void arrayKlassKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
   116   assert(obj->blueprint()->oop_is_arrayKlass(),"must be an array klass");
   117 }
   119 int arrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
   120   assert(obj->is_klass(), "must be klass");
   121   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
   122   PSParallelCompact::adjust_pointer(ak->adr_component_mirror());
   123   PSParallelCompact::adjust_pointer(ak->adr_lower_dimension());
   124   PSParallelCompact::adjust_pointer(ak->adr_higher_dimension());
   125   {
   126     HandleMark hm;
   127     ak->vtable()->oop_update_pointers(cm);
   128   }
   129   return klassKlass::oop_update_pointers(cm, obj);
   130 }
   132 int
   133 arrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
   134                                      HeapWord* beg_addr, HeapWord* end_addr) {
   135   assert(obj->is_klass(), "must be klass");
   136   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
   138   oop* p;
   139   p = ak->adr_component_mirror();
   140   PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
   141   p = ak->adr_lower_dimension();
   142   PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
   143   p = ak->adr_higher_dimension();
   144   PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
   146   {
   147     HandleMark hm;
   148     ak->vtable()->oop_update_pointers(cm, beg_addr, end_addr);
   149   }
   150   return klassKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
   151 }
   152 #endif // SERIALGC
   154 #ifndef PRODUCT
   156 // Printing
   158 void arrayKlassKlass::oop_print_on(oop obj, outputStream* st) {
   159   assert(obj->is_klass(), "must be klass");
   160   klassKlass::oop_print_on(obj, st);
   161 }
   164 void arrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   165   assert(obj->is_klass(), "must be klass");
   166   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
   167   for(int index = 0; index < ak->dimension(); index++) {
   168     st->print("[]");
   169   }
   170 }
   171 #endif
   174 const char* arrayKlassKlass::internal_name() const {
   175   return "{array class}";
   176 }
   178 void arrayKlassKlass::oop_verify_on(oop obj, outputStream* st) {
   179   klassKlass::oop_verify_on(obj, st);
   181   arrayKlass* ak = arrayKlass::cast(klassOop(obj));
   182   if (!obj->partially_loaded()) {
   183     if (ak->component_mirror() != NULL)
   184       guarantee(ak->component_mirror()->klass(), "should have a class");
   185     if (ak->lower_dimension() != NULL)
   186       guarantee(ak->lower_dimension()->klass(), "should have a class");
   187     if (ak->higher_dimension() != NULL)
   188       guarantee(ak->higher_dimension()->klass(), "should have a class");
   189   }
   190 }

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