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annotate src/share/vm/utilities/dtrace.hpp @ 14662:3c3953fb3f2a

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8033380: Experimental VM flag to enforce access atomicity Summary: -XX:+AlwaysAtomicAccesses to unconditionally enforce the access atomicity. Reviewed-by: roland, kvn, iveresov
author shade
date Mon, 03 Mar 2014 15:54:45 +0400
parents e6195383bcaf
children 4ca6dc0799b6
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1 /*
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2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright (c) 2009, 2012 Red Hat, Inc.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 #ifndef SHARE_VM_UTILITIES_DTRACE_HPP
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27 #define SHARE_VM_UTILITIES_DTRACE_HPP
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28
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29 #if defined(DTRACE_ENABLED)
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31 #include <sys/sdt.h>
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32
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33 #define DTRACE_ONLY(x) x
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34 #define NOT_DTRACE(x)
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35
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36 #if defined(SOLARIS)
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37 // Work around dtrace tail call bug 6672627 until it is fixed in solaris 10.
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38 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG() \
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39 do { volatile size_t dtrace_workaround_tail_call_bug = 1; } while (0)
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40 #elif defined(LINUX)
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41 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
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42 #elif defined(__APPLE__)
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43 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
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44 #include <sys/types.h>
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45 #else
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46 #error "dtrace enabled for unknown os"
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47 #endif /* defined(SOLARIS) */
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48
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49 #include "dtracefiles/hotspot.h"
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50 #include "dtracefiles/hotspot_jni.h"
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51 #include "dtracefiles/hs_private.h"
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52
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53 #else /* defined(DTRACE_ENABLED) */
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55 #define DTRACE_ONLY(x)
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56 #define NOT_DTRACE(x) x
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57
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58 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
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59
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60 #include "dtrace_disabled.hpp"
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61
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62 #endif /* defined(DTRACE_ENABLED) */
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64 #endif // SHARE_VM_UTILITIES_DTRACE_HPP