jdk8-mips64-public/hotspot: src/share/vm/memory/iterator.cpp@2c6ef90f030a

8049421: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

     1 /*

     2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "memory/iterator.hpp"

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

    29 void KlassToOopClosure::do_klass(Klass* k) {

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

    31   k->oops_do(_oop_closure);

    32 }

    34 void CLDToOopClosure::do_cld(ClassLoaderData* cld) {

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

    36 }

    38 void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {

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

    40 }

    42 void ObjectToOopClosure::do_object(oop obj) {

    43   obj->oop_iterate(_cl);

    44 }

    46 void VoidClosure::do_void() {

    47   ShouldNotCallThis();

    48 }

    50 void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {

    51   nm->oops_do(_cl);

    52   if (_fix_relocations) {

    53     nm->fix_oop_relocations();

    54   }

    55 }

    57 void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {

    58   nmethod* nm = cb->as_nmethod_or_null();

    59   if (nm != NULL) {

    60     do_nmethod(nm);

    61   }

    62 }

    64 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)

    65   : _active(activate)

    66 {

    67   if (_active)  nmethod::oops_do_marking_prologue();

    68 }

    70 MarkingCodeBlobClosure::MarkScope::~MarkScope() {

    71   if (_active)  nmethod::oops_do_marking_epilogue();

    72 }

    74 void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {

    75   nmethod* nm = cb->as_nmethod_or_null();

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

    77     do_nmethod(nm);

    78   }

    79 }

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

src/share/vm/memory/iterator.cpp@2c6ef90f030a

src/share/vm/memory/iterator.cpp