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annotate graal/com.oracle.nfi/src/com/oracle/nfi/api/NativeFunctionInterface.java @ 16691:dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
author | Matthias Grimmer <grimmer@ssw.jku.at> |
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date | Tue, 05 Aug 2014 15:58:11 +0200 |
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children | e92bc7d8e2dd |
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
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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 package com.oracle.nfi.api; |
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24 |
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25 /** |
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26 * Interface to get a {@linkplain NativeFunctionHandle handle} or {@linkplain NativeFunctionPointer |
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27 * pointer} to a native function or a {@linkplain NativeLibraryHandle handle} to an open native |
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28 * library. |
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29 */ |
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30 public interface NativeFunctionInterface { |
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31 |
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32 /** |
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33 * Resolves and returns a handle to an open native library. This method will open the library |
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34 * only if it is not already open. |
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35 * |
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36 * @param libPath the absolute path to the library |
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37 * @return the resolved library handle |
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38 * @throws UnsatisfiedLinkError if the library could not be found or opened |
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39 */ |
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40 NativeLibraryHandle getLibraryHandle(String libPath); |
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41 |
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42 /** |
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43 * Determines if the underlying platform/runtime supports the notion of a default library search |
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44 * path. For example, on *nix systems, this is typically defined by the {@code LD_LIBRARY_PATH} |
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45 * environment variable. |
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46 */ |
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47 boolean isDefaultLibrarySearchSupported(); |
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48 |
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49 /** |
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50 * Resolves the function pointer {@code NativeFunctionPointer} of a native function. |
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51 * |
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52 * @param libraries the ordered list of libraries to search for the function |
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53 * @param name the name of the function to be resolved |
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54 * @return a pointer to the native function |
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55 * @throws UnsatisfiedLinkError if the function could not be resolved |
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56 */ |
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57 NativeFunctionPointer getFunctionPointer(NativeLibraryHandle[] libraries, String name); |
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58 |
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59 /** |
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60 * Resolves a function name to a {@linkplain NativeFunctionHandle handle} that can be called |
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61 * with a given signature. The signature contains the types of the arguments that will be passed |
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62 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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63 * |
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64 * @param library the handle to a resolved library |
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65 * @param name the name of the function to be resolved |
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66 * @param returnType the type of the return value |
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67 * @param argumentTypes the types of the arguments |
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68 * @return the function handle of the native function |
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69 * @throws UnsatisfiedLinkError if the function handle could not be resolved |
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70 */ |
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71 NativeFunctionHandle getFunctionHandle(NativeLibraryHandle library, String name, Class<?> returnType, Class<?>... argumentTypes); |
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72 |
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73 /** |
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74 * Resolves a function pointer to a {@linkplain NativeFunctionHandle handle} that can be called |
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75 * with a given signature. The signature contains the types of the arguments that will be passed |
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76 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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77 * |
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78 * @param functionPointer a function pointer |
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79 * @param returnType the type of the return value |
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80 * @param argumentTypes the types of the arguments |
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81 * @return the function handle of the native function |
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82 * @throws UnsatisfiedLinkError the function handle could not be created |
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83 */ |
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84 NativeFunctionHandle getFunctionHandle(NativeFunctionPointer functionPointer, Class<?> returnType, Class<?>... argumentTypes); |
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85 |
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86 /** |
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87 * Resolves a function name to a {@linkplain NativeFunctionHandle handle} that can be called |
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88 * with a given signature. The signature contains the types of the arguments that will be passed |
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89 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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90 * |
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91 * @param libraries the ordered list of libraries to search for the function |
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92 * @param name the name of the function to be resolved |
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93 * @param returnType the type of the return value |
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94 * @param argumentTypes the types of the arguments |
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95 * @return the function handle of the native function |
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96 * @throws UnsatisfiedLinkError if the function handle could not be created |
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97 */ |
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98 NativeFunctionHandle getFunctionHandle(NativeLibraryHandle[] libraries, String name, Class<?> returnType, Class<?>... argumentTypes); |
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99 |
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100 /** |
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101 * Resolves a function name to a {@linkplain NativeFunctionHandle handle} that can be called |
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102 * with a given signature. The signature contains the types of the arguments that will be passed |
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103 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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104 * |
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Matthias Grimmer <grimmer@ssw.jku.at>
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105 * @param name the name of the function to be resolved |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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106 * @param returnType the type of the return value |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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107 * @param argumentTypes the types of the arguments |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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108 * @return the function handle of the native function |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
parents:
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109 * @throws UnsatisfiedLinkError if default library searching is not |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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110 * {@linkplain #isDefaultLibrarySearchSupported() supported} or if the function |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
parents:
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111 * could not be resolved |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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112 */ |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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113 NativeFunctionHandle getFunctionHandle(String name, Class<?> returnType, Class<?>... argumentTypes); |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
parents:
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114 |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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115 /** |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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116 * Creates a {@link NativeFunctionPointer} from a raw value. |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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117 * |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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118 * @param rawValue raw function pointer |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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119 * @return {@code NativeFunctionPointer} for {@code rawValue} |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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120 */ |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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121 NativeFunctionPointer getNativeFunctionPointerFromRawValue(long rawValue); |
dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
Matthias Grimmer <grimmer@ssw.jku.at>
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122 } |