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annotate src/share/vm/runtime/gpu.hpp @ 16401:347915b8cea8

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Move name from HotSpotNmethod to InstalledCode to have a name again for truffle nmethods.
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 02 Jul 2014 18:23:56 +0200
parents de9ead115e26
children
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1 /*
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2 * Copyright (c) 2013, 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_GPU_HPP
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26 #define SHARE_VM_RUNTIME_GPU_HPP
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27
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28 #include "runtime/atomic.hpp"
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29 #include "oops/symbol.hpp"
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30 #include "utilities/array.hpp"
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31
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32 #define MAX_GPUS 2
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33
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34 // Defines the interface to the graphics processor(s).
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35 class Gpu : public CHeapObj<mtInternal> {
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36 private:
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37 static int _initialized_gpus_count;
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38 static Gpu* _initialized_gpus[MAX_GPUS];
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39
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40 public:
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41
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42 // Notification of a GPU device that has been initialized.
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43 static void initialized_gpu(Gpu* gpu);
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44
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45 // Gets a comma separated list of supported GPU architecture names.
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46 static jobject probe_gpus(JNIEnv* env);
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47
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48 // Gets the number of GPU devices that have been initialized.
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49 static int initialized_gpus() { return _initialized_gpus_count; }
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50
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51 enum SafepointEvent {
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52 SafepointBegin,
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53 SafepointEnd
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54 };
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55
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56 // Called when a safepoint has been activated.
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57 static void safepoint_event(SafepointEvent event);
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58
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59 // Name of this GPU
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60 virtual const char* name() = 0;
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61
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62 // Called when a safepoint has been activated.
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63 virtual void notice_safepoints() {};
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64
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65 // Called when a safepoint has been deactivated.
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66 virtual void ignore_safepoints() {};
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67 };
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68
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69 #endif // SHARE_VM_RUNTIME_GPU_HPP