/*

 * Copyright (c) 1997, 2013, 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 "memory/iterator.hpp"

#include "oops/oop.inline.hpp"

void KlassToOopClosure::do_klass(Klass* k) {

  assert(_oop_closure != NULL, "Not initialized?");

  k->oops_do(_oop_closure);

}

void CLDToOopClosure::do_cld(ClassLoaderData* cld) {

  cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);

}

void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {

  cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);

}

void ObjectToOopClosure::do_object(oop obj) {

  obj->oop_iterate(_cl);

}

void VoidClosure::do_void() {

  ShouldNotCallThis();

}

void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {

  nm->oops_do(_cl);

  if (_fix_relocations) {

    nm->fix_oop_relocations();

  }

}

void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {

  nmethod* nm = cb->as_nmethod_or_null();

  if (nm != NULL) {

    do_nmethod(nm);

  }

}

MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)

  : _active(activate)

{

  if (_active)  nmethod::oops_do_marking_prologue();

}

MarkingCodeBlobClosure::MarkScope::~MarkScope() {

  if (_active)  nmethod::oops_do_marking_epilogue();

}

void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {

  nmethod* nm = cb->as_nmethod_or_null();

  if (nm != NULL && !nm->test_set_oops_do_mark()) {

    do_nmethod(nm);

  }

}