Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/serviceThread.hpp @ 12882:ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
Summary: x86 interpreter and c1 type profiling for return values at calls
Reviewed-by: kvn, twisti
author | roland |
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date | Sat, 12 Oct 2013 12:12:59 +0200 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 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 #ifndef SHARE_VM_RUNTIME_SERVICETHREAD_HPP |
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26 #define SHARE_VM_RUNTIME_SERVICETHREAD_HPP |
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27 |
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28 #include "runtime/thread.hpp" |
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29 |
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30 // A JavaThread for low memory detection support and JVMTI |
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31 // compiled-method-load events. |
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32 class ServiceThread : public JavaThread { |
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33 friend class VMStructs; |
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34 private: |
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35 |
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36 static ServiceThread* _instance; |
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37 |
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38 static void service_thread_entry(JavaThread* thread, TRAPS); |
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39 ServiceThread(ThreadFunction entry_point) : JavaThread(entry_point) {}; |
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40 |
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41 public: |
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42 static void initialize(); |
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43 |
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44 // Hide this thread from external view. |
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45 bool is_hidden_from_external_view() const { return true; } |
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46 |
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47 // Returns true if the passed thread is the service thread. |
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48 static bool is_service_thread(Thread* thread); |
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49 }; |
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50 |
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51 #endif // SHARE_VM_RUNTIME_SERVICETHREAD_HPP |