Mercurial > hg > truffle

annotate graal/com.oracle.max.criutils/src/com/oracle/max/criutils/CompilationPrinter.java @ 5552:69a8969dbf40

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Reduce public fields in api.code project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 09 Jun 2012 21:50:02 +0200
parents b6617d13ea44
children 4d7175cf3526
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1 /*
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2 * Copyright (c) 2011, 2012, 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.max.criutils;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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26
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27 import java.io.*;
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28 import java.util.*;
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29
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30 import com.oracle.graal.api.code.*;
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31 import com.oracle.graal.api.meta.*;
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32
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33 /**
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34 * Utility for printing compilation related data structures at various compilation phases.
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35 * The output format is such that it can then be fed to the
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36 * <a href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>.
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37 */
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38 public class CompilationPrinter {
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39 public static final String COLUMN_END = " <|@";
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40 public static final String HOVER_START = "<@";
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41 public static final String HOVER_SEP = "|@";
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42 public static final String HOVER_END = ">@";
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43
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44 private static OutputStream globalOut;
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45
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46 /**
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47 * Gets a global output stream on a file in the current working directory.
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48 * This stream is first opened if necessary. The name of the file
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49 * is {@code "compilations-" + System.currentTimeMillis() + ".cfg"}.
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50 *
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51 * @return the global output stream or {@code null} if there was an error opening the file for writing
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52 */
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53 public static synchronized OutputStream globalOut() {
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54 if (globalOut == null) {
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55 File file = new File("compilations-" + System.currentTimeMillis() + ".cfg");
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56 try {
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57 globalOut = new FileOutputStream(file);
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58 } catch (FileNotFoundException e) {
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59 TTY.println("WARNING: Could not open " + file.getAbsolutePath());
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60 }
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61 }
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62 return globalOut;
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63 }
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64
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65 protected final LogStream out;
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66
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67 /**
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68 * Creates a control flow graph printer.
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69 *
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70 * @param os where the output generated via this printer will be sent
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71 */
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72 public CompilationPrinter(OutputStream os) {
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73 out = new LogStream(os);
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74 }
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75
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76 /**
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77 * Flushes all buffered output to the underlying output stream.
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78 */
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79 public void flush() {
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80 out.flush();
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81 }
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82
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83 protected void begin(String string) {
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84 out.println("begin_" + string);
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85 out.adjustIndentation(2);
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86 }
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87
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88 protected void end(String string) {
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89 out.adjustIndentation(-2);
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90 out.println("end_" + string);
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91 }
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92
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93 /**
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94 * Prints a compilation timestamp for a given method.
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95 *
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96 * @param method the method for which a timestamp will be printed
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97 */
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98 public void printCompilation(JavaMethod method) {
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99 begin("compilation");
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100 out.print("name \" ").print(CodeUtil.format("%H::%n", method)).println('"');
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101 out.print("method \"").print(CodeUtil.format("%f %r %H.%n(%p)", method)).println('"');
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102 out.print("date ").println(System.currentTimeMillis());
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103 end("compilation");
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104 }
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105
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106 /**
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107 * Formats a given {@linkplain FrameState JVM frame state} as a multi line string.
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108 */
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109 protected String debugInfoToString(BytecodePosition codePos, BitSet registerRefMap, BitSet frameRefMap, Architecture arch) {
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110 StringBuilder sb = new StringBuilder();
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111
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112 if (registerRefMap != null) {
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113 sb.append("reg-ref-map:");
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114 for (int reg = registerRefMap.nextSetBit(0); reg >= 0; reg = registerRefMap.nextSetBit(reg + 1)) {
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115 sb.append(' ').append(arch == null ? "r" + reg : arch.registers[reg]);
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116 }
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117 sb.append("\n");
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118 }
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119
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120 if (frameRefMap != null) {
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121 sb.append("frame-ref-map:");
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122 for (int reg = frameRefMap.nextSetBit(0); reg >= 0; reg = frameRefMap.nextSetBit(reg + 1)) {
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123 sb.append(' ').append("s").append(reg);
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124 }
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125 sb.append("\n");
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126 }
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127
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128 if (codePos != null) {
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129 BytecodePosition curCodePos = codePos;
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130 List<VirtualObject> virtualObjects = new ArrayList<>();
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131 do {
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132 sb.append(CodeUtil.toLocation(curCodePos.getMethod(), curCodePos.getBCI()));
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133 sb.append('\n');
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134 if (curCodePos instanceof BytecodeFrame) {
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135 BytecodeFrame frame = (BytecodeFrame) curCodePos;
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136 if (frame.numStack > 0) {
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137 sb.append("stack: ");
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138 for (int i = 0; i < frame.numStack; i++) {
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139 sb.append(valueToString(frame.getStackValue(i), virtualObjects)).append(' ');
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140 }
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141 sb.append("\n");
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142 }
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143 sb.append("locals: ");
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144 for (int i = 0; i < frame.numLocals; i++) {
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145 sb.append(valueToString(frame.getLocalValue(i), virtualObjects)).append(' ');
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146 }
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147 sb.append("\n");
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148 if (frame.numLocks > 0) {
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149 sb.append("locks: ");
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150 for (int i = 0; i < frame.numLocks; ++i) {
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151 sb.append(valueToString(frame.getLockValue(i), virtualObjects)).append(' ');
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152 }
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153 sb.append("\n");
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154 }
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155
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156 }
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157 curCodePos = curCodePos.getCaller();
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158 } while (curCodePos != null);
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159
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160 for (int i = 0; i < virtualObjects.size(); i++) {
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161 VirtualObject obj = virtualObjects.get(i);
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162 sb.append(obj).append(" ").append(obj.type().name()).append(" ");
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163 for (int j = 0; j < obj.values().length; j++) {
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164 sb.append(valueToString(obj.values()[j], virtualObjects)).append(' ');
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165 }
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166 sb.append("\n");
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167
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168 }
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169 }
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170 return sb.toString();
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171 }
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172
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173 protected String valueToString(Value value, List<VirtualObject> virtualObjects) {
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174 if (value == null) {
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175 return "-";
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176 }
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177 if (isVirtualObject(value) && !virtualObjects.contains(asVirtualObject(value))) {
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178 virtualObjects.add(asVirtualObject(value));
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179 }
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180 return value.toString();
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181 }
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182
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183 public void printMachineCode(String code, String label) {
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184 if (code.length() == 0) {
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185 return;
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186 }
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187 if (label != null) {
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188 begin("cfg");
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189 out.print("name \"").print(label).println('"');
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190 end("cfg");
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191 }
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192 begin("nmethod");
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193 out.print(code);
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194 out.println(" <|@");
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195 end("nmethod");
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196 }
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197
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198 public void printBytecodes(String code) {
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199 if (code.length() == 0) {
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200 return;
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201 }
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202 begin("bytecodes");
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203 out.print(code);
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204 out.println(" <|@");
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205 end("bytecodes");
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206 }
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207 }