/*

 * 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.

 *

 */

#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");

}