Mercurial > hg > graal-jvmci-8
annotate graal/Compiler/src/com/sun/c1x/debug/CFGPrinter.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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1 /* |
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2 * Copyright (c) 2009, 2011, 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.sun.c1x.debug; |
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24 |
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25 import java.io.*; |
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26 import java.util.*; |
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27 |
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28 import com.sun.c1x.*; |
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29 import com.sun.c1x.alloc.*; |
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30 import com.sun.c1x.alloc.Interval.*; |
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31 import com.sun.c1x.graph.*; |
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32 import com.sun.c1x.ir.*; |
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33 import com.sun.c1x.lir.*; |
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34 import com.sun.c1x.lir.LIRInstruction.*; |
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35 import com.sun.c1x.util.*; |
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36 import com.sun.c1x.value.*; |
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37 import com.sun.cri.ci.*; |
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38 import com.sun.cri.ci.CiAddress.*; |
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39 import com.sun.cri.ri.*; |
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40 |
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41 /** |
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42 * Utility for printing the control flow graph of a method being compiled by C1X at various compilation phases. |
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43 * The output format matches that produced by HotSpot so that it can then be fed to the |
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44 * <a href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>. |
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45 * |
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46 * @author Doug Simon |
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47 */ |
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48 public class CFGPrinter { |
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49 private static final String COLUMN_END = " <|@"; |
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50 private static final String HOVER_START = "<@"; |
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51 private static final String HOVER_SEP = "|@"; |
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52 private static final String HOVER_END = ">@"; |
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53 |
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54 private static OutputStream cfgFileStream; |
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55 |
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56 /** |
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57 * Gets the output stream on the file "output.cfg" in the current working directory. |
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58 * This stream is first opened if necessary. |
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59 * |
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60 * @return the output stream to "output.cfg" or {@code null} if there was an error opening this file for writing |
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61 */ |
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62 public static synchronized OutputStream cfgFileStream() { |
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63 if (cfgFileStream == null) { |
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64 File cfgFile = new File("output.cfg"); |
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65 try { |
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66 cfgFileStream = new FileOutputStream(cfgFile); |
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67 } catch (FileNotFoundException e) { |
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68 TTY.println("WARNING: Could not open " + cfgFile.getAbsolutePath()); |
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69 } |
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70 } |
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71 return cfgFileStream; |
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72 } |
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73 |
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74 private final LogStream out; |
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75 private final CiTarget target; |
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76 |
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77 /** |
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78 * Creates a control flow graph printer. |
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79 * |
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80 * @param os where the output generated via this printer shown be written |
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81 * @param target the target architecture description |
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82 */ |
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83 public CFGPrinter(OutputStream os, CiTarget target) { |
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84 out = new LogStream(os); |
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85 this.target = target; |
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86 } |
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87 |
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88 /** |
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89 * Flushes all buffered output to the stream passed to {@link #CFGPrinter(OutputStream, CiTarget)}. |
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90 */ |
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91 public void flush() { |
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92 out.flush(); |
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93 } |
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94 |
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95 private void begin(String string) { |
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96 out.println("begin_" + string); |
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97 out.adjustIndentation(2); |
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98 } |
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99 |
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100 private void end(String string) { |
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101 out.adjustIndentation(-2); |
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102 out.println("end_" + string); |
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103 } |
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104 |
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105 /** |
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106 * Prints a compilation timestamp for a given method. |
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107 * |
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108 * @param method the method for which a timestamp will be printed |
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109 */ |
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110 public void printCompilation(RiMethod method) { |
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111 begin("compilation"); |
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112 out.print("name \" ").print(CiUtil.format("%H::%n", method, true)).println('"'); |
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113 out.print("method \"").print(CiUtil.format("%f %r %H.%n(%p)", method, true)).println('"'); |
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114 out.print("date ").println(System.currentTimeMillis()); |
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115 end("compilation"); |
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116 } |
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117 |
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118 /** |
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119 * Print the details of a given control flow graph block. |
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120 * |
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121 * @param block the block to print |
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122 * @param successors the successor blocks of {@code block} |
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123 * @param handlers the exception handler blocks of {@code block} |
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124 * @param printHIR if {@code true} the HIR for each instruction in the block will be printed |
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125 * @param printLIR if {@code true} the LIR for each instruction in the block will be printed |
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126 */ |
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127 void printBlock(BlockBegin block, List<BlockBegin> successors, Iterable<BlockBegin> handlers, boolean printHIR, boolean printLIR) { |
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128 begin("block"); |
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129 |
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130 out.print("name \"B").print(block.blockID).println('"'); |
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131 out.print("from_bci ").println(block.bci()); |
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132 out.print("to_bci ").println(block.end() == null ? -1 : block.end().bci()); |
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133 |
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134 out.print("predecessors "); |
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135 for (BlockBegin pred : block.predecessors()) { |
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136 out.print("\"B").print(pred.blockID).print("\" "); |
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137 } |
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138 out.println(); |
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139 |
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140 out.print("successors "); |
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141 for (BlockBegin succ : successors) { |
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142 out.print("\"B").print(succ.blockID).print("\" "); |
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143 } |
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144 out.println(); |
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145 |
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146 out.print("xhandlers"); |
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147 for (BlockBegin handler : handlers) { |
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148 out.print("\"B").print(handler.blockID).print("\" "); |
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149 } |
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150 out.println(); |
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151 |
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152 out.print("flags "); |
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153 if (block.isStandardEntry()) { |
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154 out.print("\"std\" "); |
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155 } |
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156 if (block.isOsrEntry()) { |
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157 out.print("\"osr\" "); |
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158 } |
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159 if (block.isExceptionEntry()) { |
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160 out.print("\"ex\" "); |
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161 } |
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162 if (block.isSubroutineEntry()) { |
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163 out.print("\"sr\" "); |
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164 } |
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165 if (block.isBackwardBranchTarget()) { |
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166 out.print("\"bb\" "); |
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167 } |
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168 if (block.isParserLoopHeader()) { |
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169 out.print("\"plh\" "); |
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170 } |
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171 if (block.isCriticalEdgeSplit()) { |
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172 out.print("\"ces\" "); |
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173 } |
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174 if (block.isLinearScanLoopHeader()) { |
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175 out.print("\"llh\" "); |
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176 } |
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177 if (block.isLinearScanLoopEnd()) { |
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178 out.print("\"lle\" "); |
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179 } |
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180 out.println(); |
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181 |
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182 if (block.dominator() != null) { |
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183 out.print("dominator \"B").print(block.dominator().blockID).println('"'); |
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184 } |
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185 if (block.loopIndex() != -1) { |
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186 out.print("loop_index ").println(block.loopIndex()); |
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187 out.print("loop_depth ").println(block.loopDepth()); |
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188 } |
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189 |
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190 if (printHIR) { |
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191 printState(block); |
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192 printHIR(block); |
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193 } |
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194 |
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195 if (printLIR) { |
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196 printLIR(block); |
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197 } |
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198 |
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199 end("block"); |
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200 } |
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201 |
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202 /** |
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203 * Prints the JVM frame state upon entry to a given block. |
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204 * |
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205 * @param block the block for which the frame state is to be printed |
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206 */ |
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207 private void printState(BlockBegin block) { |
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208 begin("states"); |
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209 |
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210 FrameState state = block.stateBefore(); |
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211 |
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212 do { |
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213 int stackSize = state.stackSize(); |
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214 if (stackSize > 0) { |
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215 begin("stack"); |
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216 out.print("size ").println(stackSize); |
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217 out.print("method \"").print(CiUtil.toLocation(state.scope().method, state.bci)).println('"'); |
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218 |
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219 int i = 0; |
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220 while (i < stackSize) { |
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221 Value value = state.stackAt(i); |
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222 out.disableIndentation(); |
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223 out.print(block.stateString(i, value)); |
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224 printOperand(value); |
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225 out.println(); |
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226 out.enableIndentation(); |
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227 if (value == null) { |
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228 i++; |
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229 } else { |
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230 i += value.kind.sizeInSlots(); |
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231 } |
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232 } |
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233 end("stack"); |
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234 } |
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235 |
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236 if (state.locksSize() > 0) { |
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237 begin("locks"); |
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238 out.print("size ").println(state.locksSize()); |
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239 out.print("method \"").print(CiUtil.toLocation(state.scope().method, state.bci)).println('"'); |
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240 |
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241 for (int i = 0; i < state.locksSize(); ++i) { |
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242 Value value = state.lockAt(i); |
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243 out.disableIndentation(); |
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244 out.print(block.stateString(i, value)); |
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245 printOperand(value); |
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246 out.println(); |
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247 out.enableIndentation(); |
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248 } |
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249 end("locks"); |
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250 } |
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251 |
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252 begin("locals"); |
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253 out.print("size ").println(state.localsSize()); |
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254 out.print("method \"").print(CiUtil.toLocation(state.scope().method, state.bci)).println('"'); |
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255 int i = 0; |
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256 while (i < state.localsSize()) { |
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257 Value value = state.localAt(i); |
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258 if (value != null) { |
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259 out.disableIndentation(); |
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260 out.print(block.stateString(i, value)); |
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261 printOperand(value); |
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262 out.println(); |
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263 out.enableIndentation(); |
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264 // also ignore illegal HiWords |
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265 i += value.isIllegal() ? 1 : value.kind.sizeInSlots(); |
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266 } else { |
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267 i++; |
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268 } |
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269 } |
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270 state = state.callerState(); |
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271 end("locals"); |
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272 } while (state != null); |
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273 |
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274 end("states"); |
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275 } |
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276 |
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277 /** |
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278 * Formats a given {@linkplain FrameState JVM frame state} as a multi line string. |
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279 */ |
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280 private String stateToString(FrameState state, CFGOperandFormatter operandFmt) { |
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281 if (state == null) { |
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282 return null; |
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283 } |
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284 |
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285 StringBuilder buf = new StringBuilder(); |
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286 |
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287 do { |
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288 buf.append(CiUtil.toLocation(state.scope().method, state.bci)); |
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289 buf.append('\n'); |
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290 if (state.stackSize() > 0) { |
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291 int i = 0; |
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292 buf.append("stack: "); |
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293 while (i < state.stackSize()) { |
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294 if (i == 0) { |
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295 buf.append(' '); |
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296 } |
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297 Value value = state.stackAt(i); |
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298 buf.append(stateValueToString(value, operandFmt)).append(' '); |
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299 i++; |
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300 } |
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301 buf.append("\n"); |
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302 } |
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303 |
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304 if (state.locksSize() > 0) { |
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305 buf.append("locks: "); |
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306 for (int i = 0; i < state.locksSize(); ++i) { |
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307 if (i == 0) { |
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308 buf.append(' '); |
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309 } |
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310 Value value = state.lockAt(i); |
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311 buf.append(stateValueToString(value, operandFmt)).append(' '); |
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312 } |
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313 buf.append("\n"); |
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314 } |
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315 |
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316 buf.append("locals: "); |
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317 int i = 0; |
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318 while (i < state.localsSize()) { |
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319 if (i == 0) { |
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320 buf.append(' '); |
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321 } |
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322 Value value = state.localAt(i); |
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323 buf.append(stateValueToString(value, operandFmt)).append(' '); |
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324 i++; |
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325 } |
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326 buf.append("\n"); |
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327 state = state.callerState(); |
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328 } while (state != null); |
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329 return buf.toString(); |
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330 } |
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331 |
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332 private String stateValueToString(Value value, OperandFormatter operandFmt) { |
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333 if (operandFmt == null) { |
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334 return Util.valueString(value); |
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335 } |
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336 if (value == null) { |
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337 return "-"; |
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338 } |
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339 return operandFmt.format(value.operand()); |
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340 } |
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341 |
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342 private String stateValueToString(CiValue value, OperandFormatter operandFmt) { |
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343 if (value == null) { |
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344 return "-"; |
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345 } |
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346 return operandFmt.format(value); |
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347 } |
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348 |
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349 /** |
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350 * Formats a given {@linkplain FrameState JVM frame state} as a multi line string. |
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351 */ |
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352 private String debugInfoToString(CiDebugInfo info, CFGOperandFormatter operandFmt) { |
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353 if (info == null) { |
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354 return null; |
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355 } |
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356 StringBuilder sb = new StringBuilder(); |
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357 |
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358 |
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359 if (info.hasRegisterRefMap()) { |
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360 sb.append("reg-ref-map:"); |
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361 C1XCompilation compilation = C1XCompilation.compilation(); |
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362 CiArchitecture arch = compilation == null ? null : compilation.target.arch; |
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363 for (int reg = info.registerRefMap.nextSetBit(0); reg >= 0; reg = info.registerRefMap.nextSetBit(reg + 1)) { |
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364 sb.append(' ').append(arch == null ? "reg" + reg : arch.registers[reg]); |
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365 } |
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366 sb.append("\n"); |
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367 } |
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368 if (info.hasStackRefMap()) { |
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369 sb.append("frame-ref-map:"); |
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370 CiBitMap bm = info.frameRefMap; |
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371 for (int i = bm.nextSetBit(0); i >= 0; i = bm.nextSetBit(i + 1)) { |
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372 sb.append(' ').append(CiStackSlot.get(CiKind.Object, i)); |
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373 } |
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374 sb.append("\n"); |
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375 } |
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376 if (info.codePos != null) { |
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377 sb.append(stateToString(info.codePos, operandFmt)); |
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378 } |
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379 return sb.toString(); |
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380 } |
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381 |
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382 /** |
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383 * Formats a given {@linkplain FrameState JVM frame state} as a multi line string. |
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384 */ |
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385 private String stateToString(CiCodePos codePos, CFGOperandFormatter operandFmt) { |
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386 if (codePos == null) { |
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387 return null; |
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388 } |
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389 |
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390 StringBuilder buf = new StringBuilder(); |
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391 |
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392 do { |
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393 buf.append(CiUtil.toLocation(codePos.method, codePos.bci)); |
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394 buf.append('\n'); |
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395 if (codePos instanceof CiFrame) { |
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396 CiFrame frame = (CiFrame) codePos; |
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397 if (frame.numStack > 0) { |
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398 int i = 0; |
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399 buf.append("stack: "); |
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400 while (i < frame.numStack) { |
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401 if (i == 0) { |
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402 buf.append(' '); |
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403 } |
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404 CiValue value = frame.getStackValue(i); |
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405 buf.append(stateValueToString(value, operandFmt)).append(' '); |
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406 i++; |
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407 } |
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408 buf.append("\n"); |
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409 } |
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410 |
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411 if (frame.numLocks > 0) { |
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412 buf.append("locks: "); |
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413 for (int i = 0; i < frame.numLocks; ++i) { |
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414 if (i == 0) { |
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415 buf.append(' '); |
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416 } |
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417 CiValue value = frame.getLockValue(i); |
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418 buf.append(stateValueToString(value, operandFmt)).append(' '); |
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419 } |
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420 buf.append("\n"); |
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421 } |
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422 |
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423 buf.append("locals: "); |
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424 int i = 0; |
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425 while (i < frame.numLocals) { |
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426 if (i == 0) { |
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427 buf.append(' '); |
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428 } |
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429 CiValue value = frame.getLocalValue(i); |
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430 buf.append(stateValueToString(value, operandFmt)).append(' '); |
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431 i++; |
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432 } |
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433 buf.append("\n"); |
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434 } |
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435 codePos = codePos.caller; |
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436 } while (codePos != null); |
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437 return buf.toString(); |
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438 } |
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439 |
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440 /** |
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441 * Prints the HIR for each instruction in a given block. |
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442 * |
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443 * @param block |
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444 */ |
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445 private void printHIR(BlockBegin block) { |
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446 begin("IR"); |
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447 out.println("HIR"); |
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448 out.disableIndentation(); |
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449 for (Instruction i = block.next(); i != null; i = i.next()) { |
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450 printInstructionHIR(i); |
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451 } |
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452 out.enableIndentation(); |
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453 end("IR"); |
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454 } |
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455 |
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456 /** |
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457 * Formats LIR operands as expected by the C1 Visualizer. |
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458 */ |
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459 public static class CFGOperandFormatter extends OperandFormatter { |
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460 /** |
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461 * The textual delimiters used for an operand depend on the context in which it is being |
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462 * printed. When printed as part of a frame state or as the result operand in a HIR node listing, |
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463 * it is enclosed in double-quotes (i.e. {@code "}'s). |
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464 */ |
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465 public final boolean asStateOrHIROperandResult; |
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466 |
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467 public CFGOperandFormatter(boolean asStateOrHIROperandResult) { |
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468 this.asStateOrHIROperandResult = asStateOrHIROperandResult; |
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469 } |
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470 |
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471 @Override |
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472 public String format(CiValue operand) { |
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473 if (operand.isLegal()) { |
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474 String op; |
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475 if (operand.isVariableOrRegister() || operand.isStackSlot()) { |
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476 op = operand.name(); |
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477 } else if (operand.isConstant()) { |
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478 CiConstant constant = (CiConstant) operand; |
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479 op = operand.kind.javaName + ":" + operand.kind.format(constant.boxedValue()); |
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480 } else if (operand.isAddress()) { |
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481 CiAddress address = (CiAddress) operand; |
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482 op = "Base:" + format(address.base); |
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483 if (!address.index.isIllegal()) { |
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484 op += " Index:" + format(address.index); |
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485 } |
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486 if (address.scale != Scale.Times1) { |
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487 op += " * " + address.scale.value; |
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488 } |
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489 op += " Disp:" + address.displacement; |
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490 } else { |
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491 assert operand.isIllegal(); |
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492 op = "-"; |
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493 } |
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494 if (operand.kind != CiKind.Illegal) { |
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495 op += "|" + operand.kind.typeChar; |
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496 } |
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497 if (asStateOrHIROperandResult) { |
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498 op = " \"" + op.replace('"', '\'') + "\" "; |
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499 } |
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500 return op; |
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501 } |
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502 return ""; |
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503 } |
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504 } |
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505 |
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506 /** |
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507 * Prints the LIR for each instruction in a given block. |
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508 * |
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509 * @param block the block to print |
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510 */ |
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511 private void printLIR(BlockBegin block) { |
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512 LIRList lir = block.lir(); |
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parents:
diff
changeset
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513 if (lir != null) { |
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parents:
diff
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514 begin("IR"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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515 out.println("LIR"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
516 for (int i = 0; i < lir.length(); i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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517 LIRInstruction inst = lir.at(i); |
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Pull over of compiler from maxine repository.
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518 out.printf("nr %4d ", inst.id).print(COLUMN_END); |
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parents:
diff
changeset
|
519 |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
520 if (inst.info != null) { |
9ec15d6914ca
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parents:
diff
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|
521 int level = out.indentationLevel(); |
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parents:
diff
changeset
|
522 out.adjustIndentation(-level); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
523 String state; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
524 if (inst.info.debugInfo != null) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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525 // Use register-allocator output if available |
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parents:
diff
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526 state = debugInfoToString(inst.info.debugInfo, new CFGOperandFormatter(false)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
527 } else { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
528 state = stateToString(inst.info.state, new CFGOperandFormatter(false)); |
9ec15d6914ca
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parents:
diff
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|
529 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
530 if (state != null) { |
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parents:
diff
changeset
|
531 out.print(" st ").print(HOVER_START).print("st").print(HOVER_SEP).print(state).print(HOVER_END).print(COLUMN_END); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
532 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
533 out.adjustIndentation(level); |
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Pull over of compiler from maxine repository.
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parents:
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|
534 } |
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Pull over of compiler from maxine repository.
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changeset
|
535 |
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Pull over of compiler from maxine repository.
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|
536 out.print(" instruction ").print(inst.toString(new CFGOperandFormatter(false))).print(COLUMN_END); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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537 out.println(COLUMN_END); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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538 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
539 end("IR"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
540 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
541 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
542 |
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parents:
diff
changeset
|
543 private void printOperand(Value i) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
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544 if (i != null && i.operand().isLegal()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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545 out.print(new CFGOperandFormatter(true).format(i.operand())); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
546 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
547 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
548 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
549 /** |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
550 * Prints the HIR for a given instruction. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
551 * |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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552 * @param i the instruction for which HIR will be printed |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
553 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
554 private void printInstructionHIR(Instruction i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
555 out.print("bci ").print(i.bci()).println(COLUMN_END); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
556 if (i.operand().isLegal()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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557 out.print("result ").print(new CFGOperandFormatter(false).format(i.operand())).println(COLUMN_END); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
558 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
559 out.print("tid ").print(i).println(COLUMN_END); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
560 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
561 String state = stateToString(i.stateBefore(), null); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
562 if (state != null) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
563 out.print("st ").print(HOVER_START).print("st").print(HOVER_SEP).print(state).print(HOVER_END).println(COLUMN_END); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
564 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
565 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
566 out.print("instruction "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
567 i.print(out); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
568 out.print(COLUMN_END).print(' ').println(COLUMN_END); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
569 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
570 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
571 /** |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
572 * Prints the control flow graph denoted by a given block map. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
573 * |
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parents:
diff
changeset
|
574 * @param blockMap a data structure describing the blocks in a method and how they are connected |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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575 * @param codeSize the bytecode size of the method from which {@code blockMap} was produced |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
576 * @param label a label describing the compilation phase that produced the control flow graph |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
577 * @param printHIR if {@code true} the HIR for each instruction in the block will be printed |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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578 * @param printLIR if {@code true} the LIR for each instruction in the block will be printed |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
579 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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580 public void printCFG(RiMethod method, BlockMap blockMap, int codeSize, String label, boolean printHIR, boolean printLIR) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
581 begin("cfg"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 out.print("name \"").print(label).println('"'); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
583 for (int bci = 0; bci < codeSize; ++bci) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
584 BlockBegin block = blockMap.get(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
585 if (block != null) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
586 printBlock(block, Arrays.asList(blockMap.getSuccessors(block)), blockMap.getHandlers(block), printHIR, printLIR); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
587 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
588 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
589 end("cfg"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
590 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
591 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
592 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
593 * Prints the control flow graph rooted at a given block. |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
594 * |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
595 * @param startBlock the entry block of the control flow graph to be printed |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
596 * @param label a label describing the compilation phase that produced the control flow graph |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
597 * @param printHIR if {@code true} the HIR for each instruction in the block will be printed |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
598 * @param printLIR if {@code true} the LIR for each instruction in the block will be printed |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
599 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
600 public void printCFG(BlockBegin startBlock, String label, final boolean printHIR, final boolean printLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
601 begin("cfg"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
602 out.print("name \"").print(label).println('"'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
603 startBlock.iteratePreOrder(new BlockClosure() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
604 public void apply(BlockBegin block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
605 List<BlockBegin> successors = block.end() != null ? block.end().successors() : new ArrayList<BlockBegin>(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
606 printBlock(block, successors, block.exceptionHandlerBlocks(), printHIR, printLIR); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
607 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
608 }); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
609 end("cfg"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
610 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
611 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
612 public void printIntervals(LinearScan allocator, Interval[] intervals, String name) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
613 begin("intervals"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 out.println(String.format("name \"%s\"", name)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
615 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
616 for (Interval interval : intervals) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
617 if (interval != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
618 printInterval(allocator, interval); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
620 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
621 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
622 end("intervals"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
623 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
624 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
625 private void printInterval(LinearScan allocator, Interval interval) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
626 out.printf("%d %s ", interval.operandNumber, (interval.operand.isRegister() ? "fixed" : interval.kind().name())); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
627 if (interval.operand.isRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
628 out.printf("\"[%s|%c]\"", interval.operand.name(), interval.operand.kind.typeChar); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
629 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
630 if (interval.location() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
631 out.printf("\"[%s|%c]\"", interval.location().name(), interval.location().kind.typeChar); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
632 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
633 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
634 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
635 Interval hint = interval.locationHint(false, allocator); |
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636 out.printf("%d %d ", interval.splitParent().operandNumber, hint != null ? hint.operandNumber : -1); |
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637 |
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638 // print ranges |
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639 Range cur = interval.first(); |
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640 while (cur != Range.EndMarker) { |
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641 out.printf("[%d, %d[", cur.from, cur.to); |
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642 cur = cur.next; |
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643 assert cur != null : "range list not closed with range sentinel"; |
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644 } |
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645 |
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646 // print use positions |
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647 int prev = 0; |
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648 UsePosList usePosList = interval.usePosList(); |
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649 for (int i = usePosList.size() - 1; i >= 0; --i) { |
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650 assert prev < usePosList.usePos(i) : "use positions not sorted"; |
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651 out.printf("%d %s ", usePosList.usePos(i), usePosList.registerPriority(i)); |
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652 prev = usePosList.usePos(i); |
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653 } |
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654 |
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655 out.printf(" \"%s\"", interval.spillState()); |
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656 out.println(); |
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657 } |
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658 |
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659 public void printMachineCode(String code, String label) { |
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660 if (code.length() == 0) { |
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661 return; |
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662 } |
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663 if (label != null) { |
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664 begin("cfg"); |
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665 out.print("name \"").print(label).println('"'); |
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666 end("cfg"); |
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667 } |
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668 begin("nmethod"); |
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669 out.print(code); |
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670 out.println(" <|@"); |
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671 end("nmethod"); |
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672 } |
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673 } |