5c58d27aac
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com> Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
/*
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* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "ci/ciBaseObject.hpp"
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#include "ci/ciUtilities.hpp"
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#include "gc_interface/collectedHeap.inline.hpp"
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#include "oops/oop.inline2.hpp"
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// ------------------------------------------------------------------
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// ciBaseObject::set_ident
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//
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// Set the unique identity number of a ciBaseObject.
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void ciBaseObject::set_ident(uint id) {
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assert((_ident >> FLAG_BITS) == 0, "must only initialize once");
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assert( id < ((uint)1 << (BitsPerInt-FLAG_BITS)), "id too big");
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_ident = _ident + (id << FLAG_BITS);
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}
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// ------------------------------------------------------------------
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// ciBaseObject::ident
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//
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// Report the unique identity number of a ciBaseObject.
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uint ciBaseObject::ident() {
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uint id = _ident >> FLAG_BITS;
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assert(id != 0, "must be initialized");
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return id;
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}
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