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annotate src/share/vm/ci/ciMetadata.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
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children 78bbf4d43a14
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1 /*
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2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "ci/ciObject.hpp"
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27 #include "ci/ciUtilities.hpp"
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28 #include "gc_interface/collectedHeap.inline.hpp"
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29 #include "oops/oop.inline2.hpp"
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30
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31 // ------------------------------------------------------------------
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32 // ciMetadata::print
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33 //
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34 // Print debugging output about this ciMetadata.
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35 //
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36 // Implementation note: dispatch to the virtual print_impl behavior
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37 // for this ciObject.
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38 void ciMetadata::print(outputStream* st) {
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39 st->print("<%s", type_string());
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40 GUARDED_VM_ENTRY(print_impl(st);)
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41 st->print(" ident=%d address=0x%x>", ident(), (address)this);
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42 }
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43
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44
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45 // ------------------------------------------------------------------
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46 // ciMetadata::print_oop
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47 //
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48 // Print debugging output about the metadata this ciMetadata represents.
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49 void ciMetadata::print_metadata(outputStream* st) {
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50 if (!is_loaded()) {
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51 st->print_cr("UNLOADED");
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52 } else {
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53 GUARDED_VM_ENTRY(_metadata->print_on(st);)
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54 }
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55 }