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annotate src/share/vm/services/gcNotifier.hpp @ 4181:319860ae697a

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Simplify FrameMap: make offsets of spill slots and outgoing parameters independent so that they can be allocated at the same time, eliminating the separate phases. This makes the separate StackBlock unnecesary. Change CiStackSlot to use byte offsets instead of spill slot index. This makes CiTarget.spillSlotSize unnecessary.
author Christian Wimmer <Christian.Wimmer@Oracle.com>
date Mon, 02 Jan 2012 14:16:08 -0800
parents 78542e2b5e35
children 1891640ca63f
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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_SERVICES_GCNOTIFIER_HPP
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26 #define SHARE_VM_SERVICES_GCNOTIFIER_HPP
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27
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28 #include "memory/allocation.hpp"
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29 #include "services/memoryPool.hpp"
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30 #include "services/memoryService.hpp"
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31 #include "services/memoryManager.hpp"
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32
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33 class GCNotificationRequest : public CHeapObj {
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34 friend class GCNotifier;
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35 GCNotificationRequest *next;
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36 jlong timestamp;
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37 GCMemoryManager *gcManager;
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38 const char *gcAction;
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39 const char *gcCause;
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40 GCStatInfo *gcStatInfo;
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41 public:
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42 GCNotificationRequest(jlong ts, GCMemoryManager *manager, const char*action, const char *cause,GCStatInfo *info) {
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43 next = NULL;
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44 timestamp = ts;
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45 gcManager = manager;
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46 gcAction = action;
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47 gcCause = cause;
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48 gcStatInfo = info;
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49 }
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50
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51 ~GCNotificationRequest() {
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52 delete gcStatInfo;
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53 }
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54 };
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55
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56 class GCNotifier : public AllStatic {
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57 friend class ServiceThread;
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58 private:
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59 static GCNotificationRequest *first_request;
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60 static GCNotificationRequest *last_request;
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61 static void addRequest(GCNotificationRequest *request);
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62 static GCNotificationRequest *getRequest();
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63 public:
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64 static void pushNotification(GCMemoryManager *manager, const char *action, const char *cause);
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65 static bool has_event();
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66 static void sendNotification(TRAPS);
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67 };
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68
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69 #endif // SHARE_VM_SERVICES_GCNOTIFIER_HPP