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annotate graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/nfi/HotSpotNativeFunctionInterface.java @ 23347:f868bd0c3f02

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Make CallingConvention in HotSpotHostBackend instead of passing it in as a parameter to GraalCompiler.compile
author Christian Wimmer <christian.wimmer@oracle.com>
date Thu, 21 Jan 2016 10:35:29 -0800
parents 52f4acf6f365
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2014, 2016, 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.graal.truffle.hotspot.nfi;
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24
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25 import static com.oracle.graal.truffle.hotspot.nfi.NativeCallStubGraphBuilder.getGraph;
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26 import static jdk.vm.ci.common.UnsafeUtil.createCString;
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27 import static jdk.vm.ci.common.UnsafeUtil.writeCString;
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28
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29 import java.lang.reflect.Field;
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30
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31 import jdk.vm.ci.code.InstalledCode;
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32 import jdk.vm.ci.hotspot.HotSpotCompiledCode;
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33 import jdk.vm.ci.hotspot.HotSpotVMConfig;
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34 import jdk.vm.ci.meta.DefaultProfilingInfo;
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35 import jdk.vm.ci.meta.TriState;
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36 import sun.misc.Unsafe;
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37
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38 import com.oracle.graal.code.CompilationResult;
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39 import com.oracle.graal.compiler.GraalCompiler;
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40 import com.oracle.graal.compiler.target.Backend;
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41 import com.oracle.graal.debug.Debug;
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42 import com.oracle.graal.debug.Debug.Scope;
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43 import com.oracle.graal.hotspot.HotSpotCompiledCodeBuilder;
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44 import com.oracle.graal.hotspot.meta.HotSpotProviders;
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45 import com.oracle.graal.lir.asm.CompilationResultBuilderFactory;
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46 import com.oracle.graal.lir.phases.LIRSuites;
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47 import com.oracle.graal.nodes.StructuredGraph;
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48 import com.oracle.graal.phases.OptimisticOptimizations;
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49 import com.oracle.graal.phases.PhaseSuite;
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50 import com.oracle.graal.phases.tiers.HighTierContext;
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51 import com.oracle.graal.phases.tiers.Suites;
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52 import com.oracle.nfi.api.NativeFunctionInterface;
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53 import com.oracle.nfi.api.NativeFunctionPointer;
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54 import com.oracle.nfi.api.NativeLibraryHandle;
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55
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56 public class HotSpotNativeFunctionInterface implements NativeFunctionInterface {
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57
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58 private final HotSpotProviders providers;
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59 private final Backend backend;
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60 private final HotSpotNativeLibraryHandle rtldDefault;
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61 private final HotSpotNativeFunctionPointer libraryLoadFunctionPointer;
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62 private final HotSpotNativeFunctionPointer functionLookupFunctionPointer;
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63 private final RawNativeCallNodeFactory factory;
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64
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65 private HotSpotNativeFunctionHandle libraryLookupFunctionHandle;
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66 private HotSpotNativeFunctionHandle dllLookupFunctionHandle;
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67
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68 public HotSpotNativeFunctionInterface(HotSpotProviders providers, RawNativeCallNodeFactory factory, Backend backend, long dlopen, long dlsym, long rtldDefault) {
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69 this.rtldDefault = rtldDefault == HotSpotVMConfig.INVALID_RTLD_DEFAULT_HANDLE ? null : new HotSpotNativeLibraryHandle("RTLD_DEFAULT", rtldDefault);
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70 this.providers = providers;
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71 assert backend != null;
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72 this.backend = backend;
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73 this.factory = factory;
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74 this.libraryLoadFunctionPointer = new HotSpotNativeFunctionPointer(dlopen, "os::dll_load");
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75 this.functionLookupFunctionPointer = new HotSpotNativeFunctionPointer(dlsym, "os::dll_lookup");
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76 }
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77
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78 @Override
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79 public HotSpotNativeLibraryHandle getLibraryHandle(String libPath) {
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80 if (libraryLookupFunctionHandle == null) {
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81 libraryLookupFunctionHandle = createHandle(libraryLoadFunctionPointer, long.class, long.class, long.class, int.class);
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82 }
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83
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84 int ebufLen = 1024;
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85 // Allocating a single chunk for both the error message buffer and the
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86 // file name simplifies deallocation below.
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87 long buffer = UNSAFE.allocateMemory(ebufLen + libPath.length() + 1);
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88 long ebuf = buffer;
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89 long libPathCString = writeCString(UNSAFE, libPath, buffer + ebufLen);
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90 try {
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91 long handle = (long) libraryLookupFunctionHandle.call(libPathCString, ebuf, ebufLen);
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92 if (handle == 0) {
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93 throw new UnsatisfiedLinkError(libPath);
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94 }
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95 return new HotSpotNativeLibraryHandle(libPath, handle);
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96 } finally {
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97 UNSAFE.freeMemory(buffer);
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98 }
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99 }
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100
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101 @Override
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102 public HotSpotNativeFunctionHandle getFunctionHandle(NativeLibraryHandle library, String name, Class<?> returnType, Class<?>... argumentTypes) {
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103 HotSpotNativeFunctionPointer functionPointer = lookupFunctionPointer(name, library, false);
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104 return createHandle(functionPointer, returnType, argumentTypes);
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105 }
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106
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107 @Override
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108 public HotSpotNativeFunctionHandle getFunctionHandle(NativeLibraryHandle[] libraries, String name, Class<?> returnType, Class<?>... argumentTypes) {
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109 HotSpotNativeFunctionPointer functionPointer = null;
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110 for (NativeLibraryHandle libraryHandle : libraries) {
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111 functionPointer = lookupFunctionPointer(name, libraryHandle, false);
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112 if (functionPointer != null) {
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113 return createHandle(functionPointer, returnType, argumentTypes);
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114 }
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115 }
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116 // Fall back to default library path
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117 return getFunctionHandle(name, returnType, argumentTypes);
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118 }
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119
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120 @Override
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121 public HotSpotNativeFunctionHandle getFunctionHandle(String name, Class<?> returnType, Class<?>... argumentTypes) {
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122 if (rtldDefault == null) {
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123 throw new UnsatisfiedLinkError(name);
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124 }
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125 return getFunctionHandle(rtldDefault, name, returnType, argumentTypes);
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126 }
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127
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128 private HotSpotNativeFunctionPointer lookupFunctionPointer(String name, NativeLibraryHandle library, boolean linkageErrorIfMissing) {
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129 if (name == null || library == null) {
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130 throw new NullPointerException();
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131 }
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132
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133 if (dllLookupFunctionHandle == null) {
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134 dllLookupFunctionHandle = createHandle(functionLookupFunctionPointer, long.class, long.class, long.class);
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135 }
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136
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137 long nameCString = createCString(UNSAFE, name);
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138 try {
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139 long functionPointer = (long) dllLookupFunctionHandle.call(((HotSpotNativeLibraryHandle) library).value, nameCString);
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140 if (functionPointer == 0L) {
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141 if (!linkageErrorIfMissing) {
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142 return null;
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143 }
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144 throw new UnsatisfiedLinkError(name);
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145 }
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146 return new HotSpotNativeFunctionPointer(functionPointer, name);
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147 } finally {
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148 UNSAFE.freeMemory(nameCString);
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149 }
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150 }
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151
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152 @Override
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153 public HotSpotNativeFunctionHandle getFunctionHandle(NativeFunctionPointer functionPointer, Class<?> returnType, Class<?>... argumentTypes) {
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154 if (!(functionPointer instanceof HotSpotNativeFunctionPointer)) {
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155 throw new UnsatisfiedLinkError(functionPointer.getName());
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156 }
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157 return createHandle(functionPointer, returnType, argumentTypes);
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158 }
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159
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160 private HotSpotNativeFunctionHandle createHandle(NativeFunctionPointer functionPointer, Class<?> returnType, Class<?>... argumentTypes) {
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161 HotSpotNativeFunctionPointer hs = (HotSpotNativeFunctionPointer) functionPointer;
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162 if (hs != null) {
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163 InstalledCode code = installNativeFunctionStub(hs.value, returnType, argumentTypes);
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164 return new HotSpotNativeFunctionHandle(code, hs.name, argumentTypes);
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165 } else {
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166 return null;
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167 }
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168 }
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169
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170 /**
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171 * Creates and installs a stub for calling a native function.
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172 */
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173 @SuppressWarnings("try")
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174 private InstalledCode installNativeFunctionStub(long functionPointer, Class<?> returnType, Class<?>... argumentTypes) {
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175 StructuredGraph g = getGraph(providers, factory, functionPointer, returnType, argumentTypes);
23271
8b7b4f1e3274 Ensure that Suites creation properly tracks overrides
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22790
diff changeset
176 Suites suites = providers.getSuites().getDefaultSuites();
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177 LIRSuites lirSuites = providers.getSuites().getDefaultLIRSuites();
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178 PhaseSuite<HighTierContext> phaseSuite = backend.getSuites().getDefaultGraphBuilderSuite().copy();
23347
f868bd0c3f02 Make CallingConvention in HotSpotHostBackend instead of passing it in as a parameter to GraalCompiler.compile
Christian Wimmer <christian.wimmer@oracle.com>
parents: 23316
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179 CompilationResult compResult = GraalCompiler.compileGraph(g, g.method(), providers, backend, phaseSuite, OptimisticOptimizations.ALL, DefaultProfilingInfo.get(TriState.UNKNOWN), suites,
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parents: 22300
diff changeset
180 lirSuites, new CompilationResult(), CompilationResultBuilderFactory.Default);
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181 InstalledCode installedCode;
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182 try (Scope s = Debug.scope("CodeInstall", providers.getCodeCache(), g.method())) {
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52f4acf6f365 Update import: Move CompilationResult and DataSection from JVMCI to Graal.
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parents: 23271
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183 HotSpotCompiledCode compiledCode = HotSpotCompiledCodeBuilder.createCompiledCode(g.method(), null, compResult);
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184 installedCode = providers.getCodeCache().addCode(g.method(), compiledCode, null, null);
17212
1ac6b4879443 Enforce catch-blocks for Debug.Scopes with context objects.
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185 } catch (Throwable e) {
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186 throw Debug.handle(e);
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187 }
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188 return installedCode;
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189 }
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190
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191 @Override
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192 public HotSpotNativeFunctionPointer getFunctionPointer(NativeLibraryHandle[] libraries, String name) {
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193 for (NativeLibraryHandle libraryHandle : libraries) {
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194 HotSpotNativeFunctionPointer functionPointer = lookupFunctionPointer(name, libraryHandle, false);
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195 if (functionPointer != null) {
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196 return functionPointer;
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197 }
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198 }
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199 // Fall back to default library path
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diff changeset
200 if (rtldDefault == null) {
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diff changeset
201 throw new UnsatisfiedLinkError(name);
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202 }
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3044a847fe91 NFI: never throw an unsatisfiedLinkError - better return null
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parents: 16691
diff changeset
203 return lookupFunctionPointer(name, rtldDefault, false);
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204 }
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parents:
diff changeset
205
13909
fac51a64fda0 made NativeFunctionInterfaceTest pass on Windows
Doug Simon <doug.simon@oracle.com>
parents: 13905
diff changeset
206 public boolean isDefaultLibrarySearchSupported() {
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diff changeset
207 return rtldDefault != null;
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diff changeset
208 }
fac51a64fda0 made NativeFunctionInterfaceTest pass on Windows
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diff changeset
209
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210 @Override
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211 public NativeFunctionPointer getNativeFunctionPointerFromRawValue(long rawValue) {
13895
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212 return new HotSpotNativeFunctionPointer(rawValue, null);
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213 }
22614
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
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diff changeset
214
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
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diff changeset
215 private static final Unsafe UNSAFE = initUnsafe();
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diff changeset
216
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diff changeset
217 private static Unsafe initUnsafe() {
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diff changeset
218 try {
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diff changeset
219 return Unsafe.getUnsafe();
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Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
220 } catch (SecurityException se) {
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
221 try {
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
222 Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
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parents: 22592
diff changeset
223 theUnsafe.setAccessible(true);
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
224 return (Unsafe) theUnsafe.get(Unsafe.class);
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
225 } catch (Exception e) {
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
226 throw new RuntimeException("exception while trying to get Unsafe", e);
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
227 }
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
Doug Simon <doug.simon@oracle.com>
parents: 22592
diff changeset
228 }
9f0e536ee385 restricted Unsafe capability access to package or class scope (GRAAL-1257)
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parents: 22592
diff changeset
229 }
13837
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diff changeset
230 }