hotspot/src/share/vm/ci/ciBaseObject.cpp
author stefank
Fri, 13 Feb 2015 14:37:35 +0100
changeset 29081 c61eb4914428
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child 30764 fec48bf5a827
permissions -rw-r--r--
8072911: Remove includes of oop.inline.hpp from .hpp files Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes
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/*
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 * Copyright (c) 2011, 2015, 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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// ------------------------------------------------------------------
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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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}