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annotate graal/com.oracle.nfi/src/com/oracle/nfi/api/NativeFunctionInterface.java @ 21777:76c162c69c2f
Drop stamp information of OSR proxies in graph builder.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 08 Jun 2015 12:09:37 +0200 |
parents | 2f92172fa320 |
children | 91b861398ad6 |
rev | line source |
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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 import com.oracle.jvmci.service.*; |
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26 |
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27 /** |
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28 * Interface to get a {@linkplain NativeFunctionHandle handle} or {@linkplain NativeFunctionPointer |
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29 * pointer} to a native function or a {@linkplain NativeLibraryHandle handle} to an open native |
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30 * library. |
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31 */ |
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32 public interface NativeFunctionInterface extends Service { |
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33 |
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34 /** |
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35 * Resolves and returns a handle to an open native library. This method will open the library |
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36 * only if it is not already open. |
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37 * |
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38 * @param libPath the absolute path to the library |
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39 * @return the resolved library handle |
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40 * @throws UnsatisfiedLinkError if the library could not be found or opened |
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41 */ |
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42 NativeLibraryHandle getLibraryHandle(String libPath); |
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43 |
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44 /** |
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45 * Determines if the underlying platform/runtime supports the notion of a default library search |
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46 * path. For example, on *nix systems, this is typically defined by the {@code LD_LIBRARY_PATH} |
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47 * environment variable. |
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48 */ |
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49 boolean isDefaultLibrarySearchSupported(); |
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50 |
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51 /** |
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52 * Resolves the function pointer {@code NativeFunctionPointer} of a native function. |
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53 * |
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54 * @param libraries the ordered list of libraries to search for the function |
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55 * @param name the name of the function to be resolved |
16966 | 56 * @return a pointer to the native function, or <code>null</code> if the function pointer could |
57 * not be resolved | |
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58 */ |
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59 NativeFunctionPointer getFunctionPointer(NativeLibraryHandle[] libraries, String name); |
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60 |
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61 /** |
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62 * Resolves a function name to a {@linkplain NativeFunctionHandle handle} that can be called |
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63 * with a given signature. The signature contains the types of the arguments that will be passed |
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64 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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65 * |
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66 * @param library the handle to a resolved library |
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67 * @param name the name of the function to be resolved |
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68 * @param returnType the type of the return value |
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69 * @param argumentTypes the types of the arguments |
16966 | 70 * @return the function handle of the native function, or <code>null</code> if the function |
71 * handle could not be resolved | |
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72 */ |
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73 NativeFunctionHandle getFunctionHandle(NativeLibraryHandle library, String name, Class<?> returnType, Class<?>... argumentTypes); |
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74 |
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75 /** |
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76 * Resolves a function pointer to a {@linkplain NativeFunctionHandle handle} that can be called |
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77 * with a given signature. The signature contains the types of the arguments that will be passed |
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78 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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79 * |
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80 * @param functionPointer a function pointer |
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81 * @param returnType the type of the return value |
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82 * @param argumentTypes the types of the arguments |
16966 | 83 * @return the function handle of the native function, or <code>null</code> if the function |
84 * handle could not be resolved | |
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85 */ |
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86 NativeFunctionHandle getFunctionHandle(NativeFunctionPointer functionPointer, Class<?> returnType, Class<?>... argumentTypes); |
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87 |
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88 /** |
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89 * Resolves a function name to a {@linkplain NativeFunctionHandle handle} that can be called |
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90 * with a given signature. The signature contains the types of the arguments that will be passed |
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91 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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92 * |
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93 * @param libraries the ordered list of libraries to search for the function |
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94 * @param name the name of the function to be resolved |
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95 * @param returnType the type of the return value |
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96 * @param argumentTypes the types of the arguments |
16966 | 97 * @return the function handle of the native function, or <code>null</code> if the function |
98 * handle could not be resolved | |
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99 */ |
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100 NativeFunctionHandle getFunctionHandle(NativeLibraryHandle[] libraries, String name, Class<?> returnType, Class<?>... argumentTypes); |
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101 |
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102 /** |
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103 * Resolves a function name to a {@linkplain NativeFunctionHandle handle} that can be called |
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104 * with a given signature. The signature contains the types of the arguments that will be passed |
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105 * to the handle when it is {@linkplain NativeFunctionHandle#call(Object...) called}. |
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106 * |
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107 * @param name the name of the function to be resolved |
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108 * @param returnType the type of the return value |
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109 * @param argumentTypes the types of the arguments |
16966 | 110 * @return the function handle of the native function, or <code>null</code> if default library |
111 * searching is not {@linkplain #isDefaultLibrarySearchSupported() supported} or if the | |
112 * function could not be resolved | |
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113 */ |
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114 NativeFunctionHandle getFunctionHandle(String name, Class<?> returnType, Class<?>... argumentTypes); |
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115 |
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116 /** |
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117 * Creates a {@link NativeFunctionPointer} from a raw value. |
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118 * |
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119 * @param rawValue raw function pointer |
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120 * @return {@code NativeFunctionPointer} for {@code rawValue} |
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121 */ |
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122 NativeFunctionPointer getNativeFunctionPointerFromRawValue(long rawValue); |
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123 } |