duke@435: /*
mikael@6198:  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "memory/iterator.hpp"
stefank@2314: #include "oops/oop.inline.hpp"
duke@435: 
stefank@4050: void KlassToOopClosure::do_klass(Klass* k) {
stefank@6982:   assert(_oop_closure != NULL, "Not initialized?");
stefank@4050:   k->oops_do(_oop_closure);
stefank@4050: }
stefank@4050: 
stefank@4298: void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
stefank@4298:   cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
stefank@4298: }
stefank@4298: 
stefank@6992: void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
stefank@6992:   cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
stefank@6992: }
stefank@6992: 
duke@435: void ObjectToOopClosure::do_object(oop obj) {
duke@435:   obj->oop_iterate(_cl);
duke@435: }
duke@435: 
duke@435: void VoidClosure::do_void() {
duke@435:   ShouldNotCallThis();
duke@435: }
jmasa@1370: 
stefank@6992: void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
stefank@6992:   nm->oops_do(_cl);
stefank@6992:   if (_fix_relocations) {
stefank@6992:     nm->fix_oop_relocations();
stefank@6992:   }
stefank@6992: }
stefank@6992: 
stefank@6992: void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
stefank@6992:   nmethod* nm = cb->as_nmethod_or_null();
stefank@6992:   if (nm != NULL) {
stefank@6992:     do_nmethod(nm);
stefank@6992:   }
stefank@6992: }
stefank@6992: 
jrose@1424: MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
jrose@1424:   : _active(activate)
jrose@1424: {
jrose@1424:   if (_active)  nmethod::oops_do_marking_prologue();
jrose@1424: }
jrose@1424: 
jrose@1424: MarkingCodeBlobClosure::MarkScope::~MarkScope() {
jrose@1424:   if (_active)  nmethod::oops_do_marking_epilogue();
jrose@1424: }
jrose@1424: 
jrose@1424: void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
twisti@1918:   nmethod* nm = cb->as_nmethod_or_null();
stefank@6992:   if (nm != NULL && !nm->test_set_oops_do_mark()) {
stefank@6992:     do_nmethod(nm);
jrose@1424:   }
jrose@1424: }