hotspot/src/share/vm/runtime/extendedPC.hpp
author never
Thu, 26 Mar 2009 14:31:45 -0700
changeset 2338 a8660a1b709b
parent 2131 98f9cef66a34
child 5547 f4b087cbb361
permissions -rw-r--r--
6822204: volatile fences should prefer lock:addl to actual mfence instructions Reviewed-by: kvn, phh
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/*
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 * Copyright 1998-2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// An ExtendedPC contains the _pc from a signal handler in a platform
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// independent way.
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class ExtendedPC VALUE_OBJ_CLASS_SPEC {
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 private:
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  address _pc;
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 public:
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  address pc() const { return _pc; }
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  ExtendedPC(address pc) { _pc  = pc;   }
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  ExtendedPC()           { _pc  = NULL; }
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};