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annotate graal/GraalCompiler/src/com/sun/c1x/debug/CFGPrinterObserver.java @ 2793:d3fc4fe063bf

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Rename BlockBegin to Merge, remove some Block related member from it. Made CFGPrinter work with the Block class from schedule
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Fri, 27 May 2011 11:08:55 +0200
parents bda5972a40a5
children 03027a0ef819
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 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
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27 import com.sun.c1x.*;
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28 import com.sun.c1x.observer.*;
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29 import com.sun.cri.ri.*;
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30
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31 /**
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32 * Observes compilation events and uses {@link CFGPrinter} to produce a control flow graph for the <a
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33 * href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>.
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34 *
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35 * @author Peter Hofer
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36 */
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37 public class CFGPrinterObserver implements CompilationObserver {
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38
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39 private C1XCompilation currentCompilation;
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40 private CFGPrinter cfgPrinter;
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41 private ByteArrayOutputStream buffer = null;
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42
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43 public CFGPrinterObserver() {
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44 }
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45
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46 @Override
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47 public void compilationStarted(CompilationEvent event) {
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48 // Supports only one compilation at the same time
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49 assert currentCompilation == null;
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50
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51 currentCompilation = event.getCompilation();
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52 if (buffer == null) {
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53 buffer = new ByteArrayOutputStream();
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54 }
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55 cfgPrinter = new CFGPrinter(buffer, currentCompilation.target);
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56 cfgPrinter.printCompilation(currentCompilation.method);
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57 }
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58
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59 @Override
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60 public void compilationEvent(CompilationEvent event) {
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61 assert currentCompilation == event.getCompilation();
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62
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63 String label = event.getLabel();
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64
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65 if (event.getAllocator() != null && event.getIntervals() != null) {
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66 cfgPrinter.printIntervals(event.getAllocator(), event.getIntervals(), label);
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67 }
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68
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69 boolean cfgprinted = false;
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70
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71 if (event.getBlockMap() != null && event.getCodeSize() >= 0) {
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72 cfgPrinter.printCFG(event.getMethod(), event.getBlockMap(), event.getCodeSize(), label, event.isHIRValid(), event.isLIRValid());
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73 cfgprinted = true;
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74 }
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75
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76 // TODO fix that when schedule is here (startBlock : Instruction->Block)
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77 /*if (event.getStartBlock() != null) {
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78 cfgPrinter.printCFG((BlockBegin) event.getStartBlock(), label, event.isHIRValid(), event.isLIRValid());
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79 cfgprinted = true;
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80 }*/
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81
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82 if (event.getTargetMethod() != null) {
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83 if (cfgprinted) {
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84 // Avoid duplicate "cfg" section
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85 label = null;
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86 }
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87
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88 RiRuntime runtime = event.getCompilation().runtime;
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89 cfgPrinter.printMachineCode(runtime.disassemble(event.getTargetMethod()), label);
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90 }
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91 }
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92
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93 @Override
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94 public void compilationFinished(CompilationEvent event) {
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95 assert currentCompilation == event.getCompilation();
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96
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97 cfgPrinter.flush();
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98
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99 OutputStream cfgFileStream = CFGPrinter.cfgFileStream();
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100 if (cfgFileStream != null) {
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101 synchronized (cfgFileStream) {
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102 try {
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103 cfgFileStream.write(buffer.toByteArray());
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104 } catch (IOException e) {
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105 TTY.println("WARNING: Error writing CFGPrinter output for %s to disk: %s", event.getMethod(), e);
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106 }
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107 }
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108 }
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109
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110 buffer.reset();
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111 cfgPrinter = null;
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112 currentCompilation = null;
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113 }
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114 }