Mercurial > hg > truffle
annotate graal/com.oracle.nfi/src/com/oracle/nfi/NativeFunctionInterfaceRuntime.java @ 20847:f2a357ee14e4
converted @MethodSubstitutions for java.util.Arrays to MethodSubstitutionPlugins
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 07 Apr 2015 18:02:05 +0200 |
parents | 13f8c249edb8 |
children | 2f92172fa320 |
rev | line source |
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16691
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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1 /* |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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4 * |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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5 * This code is free software; you can redistribute it and/or modify it |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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6 * under the terms of the GNU General Public License version 2 only, as |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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7 * published by the Free Software Foundation. |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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8 * |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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12 * version 2 for more details (a copy is included in the LICENSE file that |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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13 * accompanied this code). |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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14 * |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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15 * You should have received a copy of the GNU General Public License version |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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18 * |
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GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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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 */ |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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23 package com.oracle.nfi; |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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24 |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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25 import com.oracle.nfi.api.*; |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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26 |
16704 | 27 /** |
16705 | 28 * Class for obtaining the {@link NativeFunctionInterface} (if any) provided by the VM. |
16704 | 29 */ |
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30 public final class NativeFunctionInterfaceRuntime { |
16705 | 31 private static final NativeFunctionInterface INSTANCE; |
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32 |
16704 | 33 /** |
16705 | 34 * Creates a new {@link NativeFunctionInterface}. |
16704 | 35 * |
16705 | 36 * @throws UnsatisfiedLinkError if not running on a VM that provides a |
37 * {@link NativeFunctionInterface} | |
16704 | 38 */ |
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39 private static native NativeFunctionInterface createInterface(); |
dd8449afc086
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Matthias Grimmer <grimmer@ssw.jku.at>
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40 |
16705 | 41 /** |
42 * Gets the {@link NativeFunctionInterface} (if any) provided by the VM. | |
43 * | |
44 * @return null if the VM does not provide a {@link NativeFunctionInterface} | |
45 */ | |
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46 public static NativeFunctionInterface getNativeFunctionInterface() { |
16705 | 47 return INSTANCE; |
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48 } |
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49 |
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50 static { |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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51 NativeFunctionInterface instance; |
dd8449afc086
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52 try { |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
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53 instance = createInterface(); |
dd8449afc086
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Matthias Grimmer <grimmer@ssw.jku.at>
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54 } catch (UnsatisfiedLinkError e) { |
dd8449afc086
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Matthias Grimmer <grimmer@ssw.jku.at>
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55 instance = null; |
dd8449afc086
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Matthias Grimmer <grimmer@ssw.jku.at>
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56 } |
16705 | 57 INSTANCE = instance; |
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58 } |
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59 } |