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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotCodeCacheProvider.java @ 12517:b2882f4ab612

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Add an optional name to HotSpotNmethod. Print it during deopt. Use it when installing a Truffle compilation
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 22 Oct 2013 15:10:14 +0200
parents f87c68d79f07
children 16e507054ebb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.graal.hotspot.meta;
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24
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25 import java.lang.reflect.*;
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26 import java.util.*;
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27
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28 import com.oracle.graal.api.code.*;
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29 import com.oracle.graal.api.code.CodeUtil.RefMapFormatter;
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30 import com.oracle.graal.api.code.CompilationResult.Call;
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31 import com.oracle.graal.api.code.CompilationResult.DataPatch;
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32 import com.oracle.graal.api.code.CompilationResult.Infopoint;
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33 import com.oracle.graal.api.code.CompilationResult.Mark;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.hotspot.*;
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36 import com.oracle.graal.hotspot.bridge.*;
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37 import com.oracle.graal.hotspot.bridge.CompilerToVM.CodeInstallResult;
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38 import com.oracle.graal.java.*;
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39 import com.oracle.graal.printer.*;
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40
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41 /**
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42 * HotSpot implementation of {@link CodeCacheProvider}.
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43 */
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44 public abstract class HotSpotCodeCacheProvider implements CodeCacheProvider {
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45
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46 protected final HotSpotGraalRuntime runtime;
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47 protected final TargetDescription target;
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48 protected final RegisterConfig regConfig;
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49
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50 public HotSpotCodeCacheProvider(HotSpotGraalRuntime runtime, TargetDescription target) {
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51 this.runtime = runtime;
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52 this.target = target;
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53 regConfig = createRegisterConfig();
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54 }
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55
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56 protected abstract RegisterConfig createRegisterConfig();
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57
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58 @Override
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59 public String disassemble(CompilationResult compResult, InstalledCode installedCode) {
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60 byte[] code = installedCode == null ? Arrays.copyOf(compResult.getTargetCode(), compResult.getTargetCodeSize()) : installedCode.getCode();
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61 long start = installedCode == null ? 0L : installedCode.getStart();
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62 HexCodeFile hcf = new HexCodeFile(code, start, target.arch.getName(), target.wordSize * 8);
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63 if (compResult != null) {
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64 HexCodeFile.addAnnotations(hcf, compResult.getAnnotations());
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65 addExceptionHandlersComment(compResult, hcf);
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66 Register fp = regConfig.getFrameRegister();
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67 RefMapFormatter slotFormatter = new RefMapFormatter(target.arch, target.wordSize, fp, 0);
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68 for (Infopoint infopoint : compResult.getInfopoints()) {
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69 if (infopoint instanceof Call) {
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70 Call call = (Call) infopoint;
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71 if (call.debugInfo != null) {
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72 hcf.addComment(call.pcOffset + call.size, CodeUtil.append(new StringBuilder(100), call.debugInfo, slotFormatter).toString());
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73 }
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74 addOperandComment(hcf, call.pcOffset, "{" + getTargetName(call) + "}");
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75 } else {
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76 if (infopoint.debugInfo != null) {
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77 hcf.addComment(infopoint.pcOffset, CodeUtil.append(new StringBuilder(100), infopoint.debugInfo, slotFormatter).toString());
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78 }
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79 addOperandComment(hcf, infopoint.pcOffset, "{infopoint: " + infopoint.reason + "}");
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80 }
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81 }
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82 for (DataPatch site : compResult.getDataReferences()) {
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83 hcf.addOperandComment(site.pcOffset, "{" + site.getDataString() + "}");
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84 }
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85 for (Mark mark : compResult.getMarks()) {
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86 hcf.addComment(mark.pcOffset, getMarkName(mark));
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87 }
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88 }
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89 return hcf.toEmbeddedString();
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90 }
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91
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92 /**
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93 * Decodes a call target to a mnemonic if possible.
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94 */
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95 private String getTargetName(Call call) {
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96 Field[] fields = runtime.getConfig().getClass().getDeclaredFields();
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97 for (Field f : fields) {
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98 if (f.getName().endsWith("Stub")) {
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99 f.setAccessible(true);
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100 try {
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101 Object address = f.get(runtime.getConfig());
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102 if (address.equals(call.target)) {
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103 return f.getName() + ":0x" + Long.toHexString((Long) address);
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104 }
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105 } catch (Exception e) {
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106 }
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107 }
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108 }
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109 return String.valueOf(call.target);
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110 }
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111
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112 /**
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113 * Decodes a mark to a mnemonic if possible.
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114 */
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115 private static String getMarkName(Mark mark) {
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116 Field[] fields = Marks.class.getDeclaredFields();
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117 for (Field f : fields) {
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118 if (Modifier.isStatic(f.getModifiers()) && f.getName().startsWith("MARK_")) {
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119 f.setAccessible(true);
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120 try {
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121 if (f.get(null).equals(mark.id)) {
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122 return f.getName();
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123 }
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124 } catch (Exception e) {
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125 }
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126 }
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127 }
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128 return "MARK:" + mark.id;
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129 }
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130
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131 private static void addExceptionHandlersComment(CompilationResult compResult, HexCodeFile hcf) {
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132 if (!compResult.getExceptionHandlers().isEmpty()) {
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133 String nl = HexCodeFile.NEW_LINE;
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134 StringBuilder buf = new StringBuilder("------ Exception Handlers ------").append(nl);
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135 for (CompilationResult.ExceptionHandler e : compResult.getExceptionHandlers()) {
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136 buf.append(" ").append(e.pcOffset).append(" -> ").append(e.handlerPos).append(nl);
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137 hcf.addComment(e.pcOffset, "[exception -> " + e.handlerPos + "]");
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138 hcf.addComment(e.handlerPos, "[exception handler for " + e.pcOffset + "]");
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139 }
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140 hcf.addComment(0, buf.toString());
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141 }
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142 }
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143
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144 private static void addOperandComment(HexCodeFile hcf, int pos, String comment) {
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145 String oldValue = hcf.addOperandComment(pos, comment);
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146 assert oldValue == null : "multiple comments for operand of instruction at " + pos + ": " + comment + ", " + oldValue;
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147 }
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148
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149 @Override
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150 public RegisterConfig getRegisterConfig() {
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151 return regConfig;
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152 }
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153
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154 @Override
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155 public int getMinimumOutgoingSize() {
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156 return runtime.getConfig().runtimeCallStackSize;
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157 }
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158
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159 public HotSpotInstalledCode installMethod(HotSpotResolvedJavaMethod method, int entryBCI, CompilationResult compResult) {
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160 HotSpotInstalledCode installedCode = new HotSpotNmethod(method, compResult.getName(), true);
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161 runtime.getCompilerToVM().installCode(new HotSpotCompiledNmethod(method, entryBCI, compResult), installedCode, method.getSpeculationLog());
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162 return installedCode;
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163 }
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164
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165 @Override
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166 public InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult) {
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167 HotSpotResolvedJavaMethod hotspotMethod = (HotSpotResolvedJavaMethod) method;
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168 HotSpotInstalledCode code = new HotSpotNmethod(hotspotMethod, compResult.getName(), false);
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169 CodeInstallResult result = runtime.getCompilerToVM().installCode(new HotSpotCompiledNmethod(hotspotMethod, -1, compResult), code, null);
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170 if (result != CodeInstallResult.OK) {
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171 return null;
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172 }
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173 return code;
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174 }
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175
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176 public InstalledCode addExternalMethod(ResolvedJavaMethod method, CompilationResult compResult) {
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177
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178 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) method;
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179 HotSpotInstalledCode icode = new HotSpotNmethod(javaMethod, compResult.getName(), false, true);
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180 HotSpotCompiledNmethod compiled = new HotSpotCompiledNmethod(javaMethod, -1, compResult);
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181 CompilerToVM vm = runtime.getCompilerToVM();
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182 CodeInstallResult result = vm.installCode(compiled, icode, null);
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183 if (result != CodeInstallResult.OK) {
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184 return null;
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185 }
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186 return icode;
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187 }
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188
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189 public boolean needsDataPatch(Constant constant) {
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190 return constant.getPrimitiveAnnotation() != null;
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191 }
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192
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193 @Override
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194 public TargetDescription getTarget() {
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195 return target;
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196 }
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197
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198 public String disassemble(InstalledCode code) {
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199 if (code.isValid()) {
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200 long codeBlob = ((HotSpotInstalledCode) code).getCodeBlob();
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201 return runtime.getCompilerToVM().disassembleCodeBlob(codeBlob);
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202 }
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203 return null;
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204 }
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205
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206 public String disassemble(ResolvedJavaMethod method) {
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207 return new BytecodeDisassembler().disassemble(method);
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208 }
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209 }