Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

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  */

 #include "precompiled.hpp"

 #include "classfile/javaClasses.hpp"

 #include "gc_implementation/shared/markSweep.inline.hpp"

 #include "gc_interface/collectedHeap.hpp"

 #include "gc_interface/collectedHeap.inline.hpp"

 #include "memory/permGen.hpp"

 #include "memory/universe.inline.hpp"

 #include "oops/compiledICHolderKlass.hpp"

 #include "oops/oop.inline.hpp"

 #include "oops/oop.inline2.hpp"

 #include "runtime/handles.inline.hpp"

 #ifndef SERIALGC

 #include "oops/oop.pcgc.inline.hpp"

 #endif

 klassOop compiledICHolderKlass::create_klass(TRAPS) {

   compiledICHolderKlass o;

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

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

   // Make sure size calculation is right

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

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

   return k();

 }

 compiledICHolderOop compiledICHolderKlass::allocate(TRAPS) {

   KlassHandle h_k(THREAD, as_klassOop());

   int size = compiledICHolderOopDesc::object_size();

   compiledICHolderOop c = (compiledICHolderOop)

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

   c->set_holder_method(NULL);

   c->set_holder_klass(NULL);

   return c;

 }

 int compiledICHolderKlass::oop_size(oop obj) const {

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

   return compiledICHolderOop(obj)->object_size();

 }

 void compiledICHolderKlass::oop_follow_contents(oop obj) {

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

   compiledICHolderOop c = compiledICHolderOop(obj);

   obj->follow_header();

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

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

 }

 #ifndef SERIALGC

 void compiledICHolderKlass::oop_follow_contents(ParCompactionManager* cm,

                                                 oop obj) {

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

   compiledICHolderOop c = compiledICHolderOop(obj);

   obj->follow_header(cm);

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

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

 }

 #endif // SERIALGC

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

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

   compiledICHolderOop c = compiledICHolderOop(obj);

   // Get size before changing pointers.

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

   int size = c->object_size();

   obj->oop_iterate_header(blk);

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

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

   return size;

 }

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

                                               MemRegion mr) {

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

   compiledICHolderOop c = compiledICHolderOop(obj);

   // Get size before changing pointers.

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

   int size = c->object_size();

   obj->oop_iterate_header(blk, mr);

   oop* adr;

   adr = c->adr_holder_method();

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

   adr = c->adr_holder_klass();

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

   return size;

 }

 int compiledICHolderKlass::oop_adjust_pointers(oop obj) {

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

   compiledICHolderOop c = compiledICHolderOop(obj);

   // Get size before changing pointers.

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

   int size = c->object_size();

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

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

   obj->adjust_header();

   return size;

 }

 #ifndef SERIALGC

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

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

 }

 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,

                                                oop obj) {

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

   compiledICHolderOop c = compiledICHolderOop(obj);

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

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

   return c->object_size();

 }

 #endif // SERIALGC

 // Printing

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

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

   Klass::oop_print_on(obj, st);

   compiledICHolderOop c = compiledICHolderOop(obj);

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

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

 }

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

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

   Klass::oop_print_value_on(obj, st);

 }

 const char* compiledICHolderKlass::internal_name() const {

   return "{compiledICHolder}";

 }

 // Verification

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

   Klass::oop_verify_on(obj, st);

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

   compiledICHolderOop c = compiledICHolderOop(obj);

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

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

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

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

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

 }