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annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotCodeCacheProvider.java @ 21562:47bebae7454f
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 May 2015 21:58:33 +0200 |
parents | d563baeca9df |
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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 */ |
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23 package com.oracle.jvmci.hotspot; |
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24 |
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25 import static com.oracle.jvmci.hotspot.HotSpotCompressedNullConstant.*; |
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26 |
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27 import java.lang.reflect.*; |
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28 import java.util.*; |
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29 |
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30 import com.oracle.jvmci.code.*; |
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31 import com.oracle.jvmci.code.CodeUtil.DefaultRefMapFormatter; |
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32 import com.oracle.jvmci.code.CodeUtil.RefMapFormatter; |
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33 import com.oracle.jvmci.code.CompilationResult.Call; |
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34 import com.oracle.jvmci.code.CompilationResult.ConstantReference; |
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35 import com.oracle.jvmci.code.CompilationResult.DataPatch; |
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36 import com.oracle.jvmci.code.CompilationResult.Infopoint; |
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37 import com.oracle.jvmci.code.CompilationResult.Mark; |
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38 import com.oracle.jvmci.code.DataSection.Data; |
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39 import com.oracle.jvmci.code.DataSection.DataBuilder; |
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40 import com.oracle.jvmci.common.*; |
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41 import com.oracle.jvmci.debug.*; |
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42 import com.oracle.jvmci.meta.*; |
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43 |
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44 /** |
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45 * HotSpot implementation of {@link CodeCacheProvider}. |
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46 */ |
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47 public class HotSpotCodeCacheProvider implements CodeCacheProvider { |
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48 |
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49 protected final HotSpotJVMCIRuntimeProvider runtime; |
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50 public final HotSpotVMConfig config; |
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51 protected final TargetDescription target; |
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52 protected final RegisterConfig regConfig; |
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53 |
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54 public HotSpotCodeCacheProvider(HotSpotJVMCIRuntimeProvider runtime, HotSpotVMConfig config, TargetDescription target, RegisterConfig regConfig) { |
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55 this.runtime = runtime; |
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56 this.config = config; |
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57 this.target = target; |
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58 this.regConfig = regConfig; |
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59 } |
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60 |
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61 @Override |
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62 public String disassemble(CompilationResult compResult, InstalledCode installedCode) { |
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63 byte[] code = installedCode == null ? Arrays.copyOf(compResult.getTargetCode(), compResult.getTargetCodeSize()) : installedCode.getCode(); |
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64 if (code == null) { |
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65 // Method was deoptimized/invalidated |
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66 return ""; |
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67 } |
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68 long start = installedCode == null ? 0L : installedCode.getStart(); |
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69 HexCodeFile hcf = new HexCodeFile(code, start, target.arch.getName(), target.wordSize * 8); |
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70 if (compResult != null) { |
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71 HexCodeFile.addAnnotations(hcf, compResult.getAnnotations()); |
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72 addExceptionHandlersComment(compResult, hcf); |
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73 Register fp = regConfig.getFrameRegister(); |
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74 RefMapFormatter slotFormatter = new DefaultRefMapFormatter(target.arch, target.wordSize, fp, 0); |
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75 for (Infopoint infopoint : compResult.getInfopoints()) { |
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76 if (infopoint instanceof Call) { |
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77 Call call = (Call) infopoint; |
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78 if (call.debugInfo != null) { |
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79 hcf.addComment(call.pcOffset + call.size, CodeUtil.append(new StringBuilder(100), call.debugInfo, slotFormatter).toString()); |
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80 } |
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81 addOperandComment(hcf, call.pcOffset, "{" + getTargetName(call) + "}"); |
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82 } else { |
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83 if (infopoint.debugInfo != null) { |
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84 hcf.addComment(infopoint.pcOffset, CodeUtil.append(new StringBuilder(100), infopoint.debugInfo, slotFormatter).toString()); |
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85 } |
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86 addOperandComment(hcf, infopoint.pcOffset, "{infopoint: " + infopoint.reason + "}"); |
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87 } |
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88 } |
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89 for (DataPatch site : compResult.getDataPatches()) { |
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90 hcf.addOperandComment(site.pcOffset, "{" + site.reference.toString() + "}"); |
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91 } |
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92 for (Mark mark : compResult.getMarks()) { |
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93 hcf.addComment(mark.pcOffset, getMarkIdName((int) mark.id)); |
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94 } |
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95 } |
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96 String hcfEmbeddedString = hcf.toEmbeddedString(); |
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97 return HexCodeFileDisTool.tryDisassemble(hcfEmbeddedString); |
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98 } |
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99 |
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100 /** |
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101 * Interface to the tool for disassembling an {@link HexCodeFile#toEmbeddedString() embedded} |
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102 * {@link HexCodeFile}. |
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103 */ |
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104 static class HexCodeFileDisTool { |
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105 static final Method processMethod; |
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106 static { |
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107 Method toolMethod = null; |
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108 try { |
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109 Class<?> toolClass = Class.forName("com.oracle.max.hcfdis.HexCodeFileDis", true, ClassLoader.getSystemClassLoader()); |
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110 toolMethod = toolClass.getDeclaredMethod("processEmbeddedString", String.class); |
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111 } catch (Exception e) { |
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112 // Tool not available on the class path |
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113 } |
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114 processMethod = toolMethod; |
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115 } |
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116 |
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117 public static String tryDisassemble(String hcfEmbeddedString) { |
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118 if (processMethod != null) { |
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119 try { |
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120 return (String) processMethod.invoke(null, hcfEmbeddedString); |
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121 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { |
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122 // If the tool is available, for now let's be noisy when it fails |
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123 throw new JVMCIError(e); |
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124 } |
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125 } |
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126 return hcfEmbeddedString; |
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127 } |
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128 } |
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129 |
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130 private String getMarkIdName(int markId) { |
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131 Field[] fields = runtime.getConfig().getClass().getDeclaredFields(); |
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132 for (Field f : fields) { |
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133 if (f.getName().startsWith("MARKID_")) { |
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134 f.setAccessible(true); |
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135 try { |
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136 if (f.getInt(runtime.getConfig()) == markId) { |
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137 return f.getName(); |
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138 } |
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139 } catch (Exception e) { |
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140 } |
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141 } |
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142 } |
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143 return String.valueOf(markId); |
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144 } |
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145 |
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146 /** |
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147 * Decodes a call target to a mnemonic if possible. |
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148 */ |
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149 private String getTargetName(Call call) { |
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150 Field[] fields = runtime.getConfig().getClass().getDeclaredFields(); |
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151 for (Field f : fields) { |
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152 if (f.getName().endsWith("Stub")) { |
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153 f.setAccessible(true); |
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154 try { |
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155 Object address = f.get(runtime.getConfig()); |
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156 if (address.equals(call.target)) { |
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157 return f.getName() + ":0x" + Long.toHexString((Long) address); |
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158 } |
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159 } catch (Exception e) { |
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160 } |
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161 } |
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162 } |
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163 return String.valueOf(call.target); |
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164 } |
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165 |
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166 private static void addExceptionHandlersComment(CompilationResult compResult, HexCodeFile hcf) { |
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167 if (!compResult.getExceptionHandlers().isEmpty()) { |
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168 String nl = HexCodeFile.NEW_LINE; |
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169 StringBuilder buf = new StringBuilder("------ Exception Handlers ------").append(nl); |
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170 for (CompilationResult.ExceptionHandler e : compResult.getExceptionHandlers()) { |
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171 buf.append(" ").append(e.pcOffset).append(" -> ").append(e.handlerPos).append(nl); |
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172 hcf.addComment(e.pcOffset, "[exception -> " + e.handlerPos + "]"); |
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173 hcf.addComment(e.handlerPos, "[exception handler for " + e.pcOffset + "]"); |
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174 } |
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175 hcf.addComment(0, buf.toString()); |
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176 } |
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177 } |
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178 |
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179 private static void addOperandComment(HexCodeFile hcf, int pos, String comment) { |
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180 String oldValue = hcf.addOperandComment(pos, comment); |
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181 assert oldValue == null : "multiple comments for operand of instruction at " + pos + ": " + comment + ", " + oldValue; |
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182 } |
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183 |
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|
184 @Override |
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185 public RegisterConfig getRegisterConfig() { |
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186 return regConfig; |
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187 } |
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188 |
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189 @Override |
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190 public int getMinimumOutgoingSize() { |
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191 return runtime.getConfig().runtimeCallStackSize; |
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192 } |
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193 |
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194 public InstalledCode logOrDump(InstalledCode installedCode, CompilationResult compResult) { |
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195 if (Debug.isDumpEnabled()) { |
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196 Debug.dump(new Object[]{compResult, installedCode}, "After code installation"); |
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197 } |
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198 if (Debug.isLogEnabled()) { |
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199 Debug.log("%s", disassemble(installedCode)); |
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200 } |
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201 return installedCode; |
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202 } |
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203 |
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204 public InstalledCode installMethod(HotSpotResolvedJavaMethod method, CompilationResult compResult, long jvmciEnv, boolean isDefault) { |
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205 if (compResult.getId() == -1) { |
14104 | 206 compResult.setId(method.allocateCompileId(compResult.getEntryBCI())); |
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207 } |
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208 HotSpotInstalledCode installedCode = new HotSpotNmethod(method, compResult.getName(), isDefault); |
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209 runtime.getCompilerToVM().installCode(new HotSpotCompiledNmethod(method, compResult, jvmciEnv), installedCode, method.getSpeculationLog()); |
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210 return logOrDump(installedCode, compResult); |
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211 } |
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212 |
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213 @Override |
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214 public InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult, SpeculationLog log, InstalledCode predefinedInstalledCode) { |
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215 HotSpotResolvedJavaMethod hotspotMethod = (HotSpotResolvedJavaMethod) method; |
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216 if (compResult.getId() == -1) { |
14104 | 217 compResult.setId(hotspotMethod.allocateCompileId(compResult.getEntryBCI())); |
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218 } |
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219 InstalledCode installedCode = predefinedInstalledCode; |
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220 if (installedCode == null) { |
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221 HotSpotInstalledCode code = new HotSpotNmethod(hotspotMethod, compResult.getName(), false); |
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222 installedCode = code; |
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223 } |
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224 HotSpotCompiledNmethod compiledCode = new HotSpotCompiledNmethod(hotspotMethod, compResult); |
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225 int result = runtime.getCompilerToVM().installCode(compiledCode, installedCode, log); |
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226 if (result != config.codeInstallResultOk) { |
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227 String msg = compiledCode.getInstallationFailureMessage(); |
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228 String resultDesc = config.getCodeInstallResultDescription(result); |
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229 if (msg != null) { |
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230 msg = String.format("Code installation failed: %s%n%s", resultDesc, msg); |
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231 } else { |
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232 msg = String.format("Code installation failed: %s", resultDesc); |
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233 } |
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234 if (result == config.codeInstallResultDependenciesInvalid) { |
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235 throw new AssertionError(resultDesc + " " + msg); |
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236 } |
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237 throw new BailoutException(result != config.codeInstallResultDependenciesFailed, msg); |
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238 } |
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239 return logOrDump(installedCode, compResult); |
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240 } |
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241 |
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242 @Override |
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243 public InstalledCode setDefaultMethod(ResolvedJavaMethod method, CompilationResult compResult) { |
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244 HotSpotResolvedJavaMethod hotspotMethod = (HotSpotResolvedJavaMethod) method; |
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245 return installMethod(hotspotMethod, compResult, 0L, true); |
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246 } |
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247 |
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248 public HotSpotNmethod addExternalMethod(ResolvedJavaMethod method, CompilationResult compResult) { |
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249 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) method; |
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250 if (compResult.getId() == -1) { |
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252 } |
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253 HotSpotNmethod code = new HotSpotNmethod(javaMethod, compResult.getName(), false, true); |
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254 HotSpotCompiledNmethod compiled = new HotSpotCompiledNmethod(javaMethod, compResult); |
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255 CompilerToVM vm = runtime.getCompilerToVM(); |
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256 int result = vm.installCode(compiled, code, null); |
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257 if (result != runtime.getConfig().codeInstallResultOk) { |
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258 return null; |
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259 } |
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260 return code; |
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261 } |
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262 |
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263 public boolean needsDataPatch(JavaConstant constant) { |
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264 return constant instanceof HotSpotMetaspaceConstant; |
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265 } |
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266 |
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267 public Data createDataItem(Constant constant) { |
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268 int size; |
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269 DataBuilder builder; |
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270 if (constant instanceof VMConstant) { |
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271 VMConstant vmConstant = (VMConstant) constant; |
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272 boolean compressed; |
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273 long raw; |
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274 if (constant instanceof HotSpotObjectConstant) { |
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275 HotSpotObjectConstant c = (HotSpotObjectConstant) vmConstant; |
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276 compressed = c.isCompressed(); |
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277 raw = 0xDEADDEADDEADDEADL; |
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278 } else if (constant instanceof HotSpotMetaspaceConstant) { |
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279 HotSpotMetaspaceConstant meta = (HotSpotMetaspaceConstant) constant; |
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280 compressed = meta.isCompressed(); |
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281 raw = meta.rawValue(); |
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282 } else { |
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283 throw new JVMCIError(String.valueOf(constant)); |
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284 } |
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285 |
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286 size = target.getSizeInBytes(compressed ? Kind.Int : target.wordKind); |
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287 if (size == 4) { |
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288 builder = (buffer, patch) -> { |
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289 patch.accept(new DataPatch(buffer.position(), new ConstantReference(vmConstant))); |
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290 buffer.putInt((int) raw); |
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291 }; |
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292 } else { |
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293 assert size == 8; |
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294 builder = (buffer, patch) -> { |
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295 patch.accept(new DataPatch(buffer.position(), new ConstantReference(vmConstant))); |
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296 buffer.putLong(raw); |
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297 }; |
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298 } |
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299 } else if (JavaConstant.isNull(constant)) { |
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300 boolean compressed = COMPRESSED_NULL.equals(constant); |
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301 size = target.getSizeInBytes(compressed ? Kind.Int : target.wordKind); |
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302 builder = DataBuilder.zero(size); |
19188
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303 } else if (constant instanceof SerializableConstant) { |
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304 SerializableConstant s = (SerializableConstant) constant; |
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305 size = s.getSerializedSize(); |
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306 builder = DataBuilder.serializable(s); |
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307 } else { |
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308 throw new JVMCIError(String.valueOf(constant)); |
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309 } |
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310 |
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311 return new Data(size, size, builder); |
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312 } |
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313 |
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314 @Override |
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315 public TargetDescription getTarget() { |
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316 return target; |
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317 } |
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318 |
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319 public String disassemble(InstalledCode code) { |
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320 if (code.isValid()) { |
18318
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321 long codeBlob = code.getAddress(); |
12431
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322 return runtime.getCompilerToVM().disassembleCodeBlob(codeBlob); |
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323 } |
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324 return null; |
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|
325 } |
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|
326 |
15358
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|
327 public SpeculationLog createSpeculationLog() { |
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328 return new HotSpotSpeculationLog(); |
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329 } |
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330 } |