src/hotspot/share/memory/iterator.cpp
changeset 47216 71c04702a3d5
parent 30153 596ed88949ad
child 47580 96392e113a0a
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     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  */
       
    24 
       
    25 #include "precompiled.hpp"
       
    26 #include "memory/iterator.inline.hpp"
       
    27 #include "memory/universe.hpp"
       
    28 #include "oops/oop.inline.hpp"
       
    29 #include "utilities/debug.hpp"
       
    30 #include "utilities/globalDefinitions.hpp"
       
    31 
       
    32 void KlassToOopClosure::do_klass(Klass* k) {
       
    33   assert(_oop_closure != NULL, "Not initialized?");
       
    34   k->oops_do(_oop_closure);
       
    35 }
       
    36 
       
    37 void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
       
    38   cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
       
    39 }
       
    40 
       
    41 void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
       
    42   cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
       
    43 }
       
    44 
       
    45 void ObjectToOopClosure::do_object(oop obj) {
       
    46   obj->oop_iterate(_cl);
       
    47 }
       
    48 
       
    49 void VoidClosure::do_void() {
       
    50   ShouldNotCallThis();
       
    51 }
       
    52 
       
    53 void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
       
    54   nm->oops_do(_cl);
       
    55   if (_fix_relocations) {
       
    56     nm->fix_oop_relocations();
       
    57   }
       
    58 }
       
    59 
       
    60 void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
       
    61   nmethod* nm = cb->as_nmethod_or_null();
       
    62   if (nm != NULL) {
       
    63     do_nmethod(nm);
       
    64   }
       
    65 }
       
    66 
       
    67 void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
       
    68   nmethod* nm = cb->as_nmethod_or_null();
       
    69   if (nm != NULL && !nm->test_set_oops_do_mark()) {
       
    70     do_nmethod(nm);
       
    71   }
       
    72 }
       
    73 
       
    74 // Generate the *Klass::oop_oop_iterate functions for the base class
       
    75 // of the oop closures. These versions use the virtual do_oop calls,
       
    76 // instead of the devirtualized do_oop_nv version.
       
    77 ALL_KLASS_OOP_OOP_ITERATE_DEFN(ExtendedOopClosure,  _v)
       
    78 
       
    79 // Generate the *Klass::oop_oop_iterate functions
       
    80 // for the NoHeaderExtendedOopClosure helper class.
       
    81 ALL_KLASS_OOP_OOP_ITERATE_DEFN(NoHeaderExtendedOopClosure, _nv)