Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotCodeCacheProvider.java @ 22411:78c691145967
Support putting multiple constants next to each other in DataSection.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 10 Aug 2015 13:36:47 +0200 |
parents | 7b4a47fcc4c0 |
children | ca5200277c37 |
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1 /* |
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2 * Copyright (c) 2013, 2015, 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 */ |
22054 | 23 package jdk.internal.jvmci.hotspot; |
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24 |
22054 | 25 import static jdk.internal.jvmci.hotspot.HotSpotCompressedNullConstant.*; |
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26 |
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27 import java.lang.reflect.*; |
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28 |
22054 | 29 import jdk.internal.jvmci.code.*; |
30 import jdk.internal.jvmci.code.CompilationResult.*; | |
31 import jdk.internal.jvmci.code.DataSection.*; | |
32 import jdk.internal.jvmci.common.*; | |
33 import jdk.internal.jvmci.meta.*; | |
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34 |
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35 /** |
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36 * HotSpot implementation of {@link CodeCacheProvider}. |
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37 */ |
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38 public class HotSpotCodeCacheProvider implements CodeCacheProvider { |
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39 |
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40 protected final HotSpotJVMCIRuntimeProvider runtime; |
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41 public final HotSpotVMConfig config; |
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42 protected final TargetDescription target; |
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43 protected final RegisterConfig regConfig; |
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44 |
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45 public HotSpotCodeCacheProvider(HotSpotJVMCIRuntimeProvider runtime, HotSpotVMConfig config, TargetDescription target, RegisterConfig regConfig) { |
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46 this.runtime = runtime; |
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47 this.config = config; |
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48 this.target = target; |
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49 this.regConfig = regConfig; |
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50 } |
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51 |
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52 @Override |
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53 public String getMarkName(Mark mark) { |
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54 int markId = (int) mark.id; |
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55 Field[] fields = runtime.getConfig().getClass().getDeclaredFields(); |
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56 for (Field f : fields) { |
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57 if (f.getName().startsWith("MARKID_")) { |
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58 f.setAccessible(true); |
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59 try { |
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60 if (f.getInt(runtime.getConfig()) == markId) { |
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61 return f.getName(); |
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62 } |
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63 } catch (Exception e) { |
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64 } |
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65 } |
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66 } |
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67 return CodeCacheProvider.super.getMarkName(mark); |
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68 } |
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69 |
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70 /** |
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71 * Decodes a call target to a mnemonic if possible. |
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72 */ |
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73 @Override |
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74 public String getTargetName(Call call) { |
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75 Field[] fields = runtime.getConfig().getClass().getDeclaredFields(); |
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76 for (Field f : fields) { |
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77 if (f.getName().endsWith("Stub")) { |
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78 f.setAccessible(true); |
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79 try { |
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80 Object address = f.get(runtime.getConfig()); |
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81 if (address.equals(call.target)) { |
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82 return f.getName() + ":0x" + Long.toHexString((Long) address); |
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83 } |
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84 } catch (Exception e) { |
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85 } |
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86 } |
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87 } |
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88 return CodeCacheProvider.super.getTargetName(call); |
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89 } |
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90 |
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91 @Override |
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92 public RegisterConfig getRegisterConfig() { |
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93 return regConfig; |
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94 } |
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95 |
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96 @Override |
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97 public int getMinimumOutgoingSize() { |
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98 return runtime.getConfig().runtimeCallStackSize; |
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99 } |
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100 |
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101 public InstalledCode logOrDump(InstalledCode installedCode, CompilationResult compResult) { |
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102 HotSpotJVMCIRuntime.runtime().notifyInstall(this, installedCode, compResult); |
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103 return installedCode; |
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104 } |
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105 |
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106 public InstalledCode installMethod(HotSpotResolvedJavaMethod method, CompilationResult compResult, long jvmciEnv, boolean isDefault) { |
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107 if (compResult.getId() == -1) { |
14104 | 108 compResult.setId(method.allocateCompileId(compResult.getEntryBCI())); |
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109 } |
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110 HotSpotInstalledCode installedCode = new HotSpotNmethod(method, compResult.getName(), isDefault); |
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111 runtime.getCompilerToVM().installCode(new HotSpotCompiledNmethod(method, compResult, jvmciEnv), installedCode, method.getSpeculationLog()); |
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112 return logOrDump(installedCode, compResult); |
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113 } |
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114 |
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115 @Override |
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116 public InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult, SpeculationLog log, InstalledCode predefinedInstalledCode) { |
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117 HotSpotResolvedJavaMethod hotspotMethod = (HotSpotResolvedJavaMethod) method; |
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118 if (compResult.getId() == -1) { |
14104 | 119 compResult.setId(hotspotMethod.allocateCompileId(compResult.getEntryBCI())); |
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120 } |
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121 InstalledCode installedCode = predefinedInstalledCode; |
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122 if (installedCode == null) { |
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123 HotSpotInstalledCode code = new HotSpotNmethod(hotspotMethod, compResult.getName(), false); |
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124 installedCode = code; |
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125 } |
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126 HotSpotCompiledNmethod compiledCode = new HotSpotCompiledNmethod(hotspotMethod, compResult); |
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127 int result = runtime.getCompilerToVM().installCode(compiledCode, installedCode, log); |
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128 if (result != config.codeInstallResultOk) { |
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129 String msg = compiledCode.getInstallationFailureMessage(); |
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130 String resultDesc = config.getCodeInstallResultDescription(result); |
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131 if (msg != null) { |
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132 msg = String.format("Code installation failed: %s%n%s", resultDesc, msg); |
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133 } else { |
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134 msg = String.format("Code installation failed: %s", resultDesc); |
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135 } |
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136 if (result == config.codeInstallResultDependenciesInvalid) { |
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137 throw new AssertionError(resultDesc + " " + msg); |
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138 } |
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139 throw new BailoutException(result != config.codeInstallResultDependenciesFailed, msg); |
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140 } |
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141 return logOrDump(installedCode, compResult); |
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142 } |
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143 |
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144 @Override |
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145 public InstalledCode setDefaultMethod(ResolvedJavaMethod method, CompilationResult compResult) { |
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146 HotSpotResolvedJavaMethod hotspotMethod = (HotSpotResolvedJavaMethod) method; |
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147 return installMethod(hotspotMethod, compResult, 0L, true); |
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148 } |
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149 |
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150 public HotSpotNmethod addExternalMethod(ResolvedJavaMethod method, CompilationResult compResult) { |
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151 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) method; |
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152 if (compResult.getId() == -1) { |
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154 } |
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155 HotSpotNmethod code = new HotSpotNmethod(javaMethod, compResult.getName(), false, true); |
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156 HotSpotCompiledNmethod compiled = new HotSpotCompiledNmethod(javaMethod, compResult); |
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157 CompilerToVM vm = runtime.getCompilerToVM(); |
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158 int result = vm.installCode(compiled, code, null); |
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159 if (result != runtime.getConfig().codeInstallResultOk) { |
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160 return null; |
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161 } |
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162 return code; |
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163 } |
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164 |
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165 public boolean needsDataPatch(JavaConstant constant) { |
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166 return constant instanceof HotSpotMetaspaceConstant; |
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167 } |
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168 |
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169 private Data createSingleDataItem(Constant constant) { |
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170 int size; |
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171 DataBuilder builder; |
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172 if (constant instanceof VMConstant) { |
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173 VMConstant vmConstant = (VMConstant) constant; |
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174 boolean compressed; |
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175 long raw; |
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176 if (constant instanceof HotSpotObjectConstant) { |
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177 HotSpotObjectConstant c = (HotSpotObjectConstant) vmConstant; |
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178 compressed = c.isCompressed(); |
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179 raw = 0xDEADDEADDEADDEADL; |
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180 } else if (constant instanceof HotSpotMetaspaceConstant) { |
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181 HotSpotMetaspaceConstant meta = (HotSpotMetaspaceConstant) constant; |
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182 compressed = meta.isCompressed(); |
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183 raw = meta.rawValue(); |
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184 } else { |
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185 throw new JVMCIError(String.valueOf(constant)); |
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186 } |
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187 |
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188 size = target.getSizeInBytes(compressed ? Kind.Int : target.wordKind); |
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189 if (size == 4) { |
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190 builder = (buffer, patch) -> { |
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191 patch.accept(new DataPatch(buffer.position(), new ConstantReference(vmConstant))); |
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192 buffer.putInt((int) raw); |
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193 }; |
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194 } else { |
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195 assert size == 8; |
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196 builder = (buffer, patch) -> { |
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197 patch.accept(new DataPatch(buffer.position(), new ConstantReference(vmConstant))); |
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198 buffer.putLong(raw); |
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199 }; |
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200 } |
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201 } else if (JavaConstant.isNull(constant)) { |
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202 boolean compressed = COMPRESSED_NULL.equals(constant); |
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203 size = target.getSizeInBytes(compressed ? Kind.Int : target.wordKind); |
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204 builder = DataBuilder.zero(size); |
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205 } else if (constant instanceof SerializableConstant) { |
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206 SerializableConstant s = (SerializableConstant) constant; |
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207 size = s.getSerializedSize(); |
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208 builder = DataBuilder.serializable(s); |
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209 } else { |
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210 throw new JVMCIError(String.valueOf(constant)); |
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211 } |
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212 |
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213 return new Data(size, size, builder); |
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214 } |
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215 |
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216 public Data createDataItem(Constant... constants) { |
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217 assert constants.length > 0; |
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218 if (constants.length == 1) { |
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219 return createSingleDataItem(constants[0]); |
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220 } else { |
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221 DataBuilder[] builders = new DataBuilder[constants.length]; |
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222 int size = 0; |
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223 int alignment = 1; |
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224 for (int i = 0; i < constants.length; i++) { |
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225 Data data = createSingleDataItem(constants[i]); |
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226 size += data.getSize(); |
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227 builders[i] = data.getBuilder(); |
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228 alignment = DataSection.lcm(alignment, data.getAlignment()); |
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229 } |
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230 DataBuilder ret = (buffer, patches) -> { |
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231 for (DataBuilder b : builders) { |
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232 b.emit(buffer, patches); |
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233 } |
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234 }; |
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235 return new Data(alignment, size, ret); |
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236 } |
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237 } |
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238 |
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239 @Override |
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240 public TargetDescription getTarget() { |
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241 return target; |
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242 } |
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243 |
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244 public String disassemble(InstalledCode code) { |
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245 if (code.isValid()) { |
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246 long codeBlob = code.getAddress(); |
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247 return runtime.getCompilerToVM().disassembleCodeBlob(codeBlob); |
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248 } |
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249 return null; |
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250 } |
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251 |
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252 public SpeculationLog createSpeculationLog() { |
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253 return new HotSpotSpeculationLog(); |
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254 } |
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255 } |