1 /*

     2  * Copyright 1998-2006 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  */

    24 

    25 # include "incls/_precompiled.incl"

    26 # include "incls/_compiledICHolderKlass.cpp.incl"

    27 

    28 klassOop compiledICHolderKlass::create_klass(TRAPS) {

    29   compiledICHolderKlass o;

    30   KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());

    31   KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);

    32   // Make sure size calculation is right

    33   assert(k()->size() == align_object_size(header_size()), "wrong size for object");

    34   java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror

    35   return k();

    36 }

    37 

    38 

    39 compiledICHolderOop compiledICHolderKlass::allocate(TRAPS) {

    40   KlassHandle h_k(THREAD, as_klassOop());

    41   int size = compiledICHolderOopDesc::object_size();

    42   compiledICHolderOop c = (compiledICHolderOop)

    43     CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL);

    44   c->set_holder_method(NULL);

    45   c->set_holder_klass(NULL);

    46   return c;

    47 }

    48 

    49 

    50 int compiledICHolderKlass::oop_size(oop obj) const {

    51   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

    52   return compiledICHolderOop(obj)->object_size();

    53 }

    54 

    55 void compiledICHolderKlass::oop_follow_contents(oop obj) {

    56   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

    57   compiledICHolderOop c = compiledICHolderOop(obj);

    58 

    59   obj->follow_header();

    60   MarkSweep::mark_and_push(c->adr_holder_method());

    61   MarkSweep::mark_and_push(c->adr_holder_klass());

    62 }

    63 

    64 #ifndef SERIALGC

    65 void compiledICHolderKlass::oop_follow_contents(ParCompactionManager* cm,

    66                                                 oop obj) {

    67   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

    68   compiledICHolderOop c = compiledICHolderOop(obj);

    69 

    70   obj->follow_header(cm);

    71   PSParallelCompact::mark_and_push(cm, c->adr_holder_method());

    72   PSParallelCompact::mark_and_push(cm, c->adr_holder_klass());

    73 }

    74 #endif // SERIALGC

    75 

    76 

    77 int compiledICHolderKlass::oop_oop_iterate(oop obj, OopClosure* blk) {

    78   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

    79   compiledICHolderOop c = compiledICHolderOop(obj);

    80   // Get size before changing pointers.

    81   // Don't call size() or oop_size() since that is a virtual call.

    82   int size = c->object_size();

    83 

    84   obj->oop_iterate_header(blk);

    85   blk->do_oop(c->adr_holder_method());

    86   blk->do_oop(c->adr_holder_klass());

    87   return size;

    88 }

    89 

    90 int compiledICHolderKlass::oop_oop_iterate_m(oop obj, OopClosure* blk,

    91                                               MemRegion mr) {

    92   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

    93   compiledICHolderOop c = compiledICHolderOop(obj);

    94   // Get size before changing pointers.

    95   // Don't call size() or oop_size() since that is a virtual call.

    96   int size = c->object_size();

    97 

    98   obj->oop_iterate_header(blk, mr);

    99 

   100   oop* adr;

   101   adr = c->adr_holder_method();

   102   if (mr.contains(adr)) blk->do_oop(adr);

   103   adr = c->adr_holder_klass();

   104   if (mr.contains(adr)) blk->do_oop(adr);

   105   return size;

   106 }

   107 

   108 

   109 int compiledICHolderKlass::oop_adjust_pointers(oop obj) {

   110   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   111   compiledICHolderOop c = compiledICHolderOop(obj);

   112   // Get size before changing pointers.

   113   // Don't call size() or oop_size() since that is a virtual call.

   114   int size = c->object_size();

   115 

   116   MarkSweep::adjust_pointer(c->adr_holder_method());

   117   MarkSweep::adjust_pointer(c->adr_holder_klass());

   118   obj->adjust_header();

   119   return size;

   120 }

   121 

   122 #ifndef SERIALGC

   123 void compiledICHolderKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {

   124   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   125 }

   126 

   127 void compiledICHolderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {

   128   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   129 }

   130 

   131 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,

   132                                                oop obj) {

   133   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   134   compiledICHolderOop c = compiledICHolderOop(obj);

   135 

   136   PSParallelCompact::adjust_pointer(c->adr_holder_method());

   137   PSParallelCompact::adjust_pointer(c->adr_holder_klass());

   138   return c->object_size();

   139 }

   140 

   141 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,

   142                                                oop obj,

   143                                                HeapWord* beg_addr,

   144                                                HeapWord* end_addr) {

   145   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   146   compiledICHolderOop c = compiledICHolderOop(obj);

   147 

   148   oop* p;

   149   p = c->adr_holder_method();

   150   PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);

   151   p = c->adr_holder_klass();

   152   PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);

   153   return c->object_size();

   154 }

   155 #endif // SERIALGC

   156 

   157 #ifndef PRODUCT

   158 

   159 // Printing

   160 

   161 void compiledICHolderKlass::oop_print_on(oop obj, outputStream* st) {

   162   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   163   Klass::oop_print_on(obj, st);

   164   compiledICHolderOop c = compiledICHolderOop(obj);

   165   st->print(" - method: "); c->holder_method()->print_value_on(st); st->cr();

   166   st->print(" - klass:  "); c->holder_klass()->print_value_on(st); st->cr();

   167 }

   168 

   169 

   170 void compiledICHolderKlass::oop_print_value_on(oop obj, outputStream* st) {

   171   assert(obj->is_compiledICHolder(), "must be compiledICHolder");

   172   Klass::oop_print_value_on(obj, st);

   173 }

   174 #endif

   175 

   176 const char* compiledICHolderKlass::internal_name() const {

   177   return "{compiledICHolder}";

   178 }

   179 

   180 // Verification

   181 

   182 void compiledICHolderKlass::oop_verify_on(oop obj, outputStream* st) {

   183   Klass::oop_verify_on(obj, st);

   184   guarantee(obj->is_compiledICHolder(), "must be compiledICHolder");

   185   compiledICHolderOop c = compiledICHolderOop(obj);

   186   guarantee(c->is_perm(),             "should be in permspace");

   187   guarantee(c->holder_method()->is_perm(),   "should be in permspace");

   188   guarantee(c->holder_method()->is_method(), "should be method");

   189   guarantee(c->holder_klass()->is_perm(),    "should be in permspace");

   190   guarantee(c->holder_klass()->is_klass(),   "should be klass");

   191 }