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annotate graal/com.oracle.max.graal.printer/src/com/oracle/max/graal/printer/CFGPrinterObserver.java @ 4265:4643ccd37dac

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* removed CiStatistics * always use registerConfig via FrameMap * completely remove GraalCompilation * removed DebugInfoLevel * changed CompilationObserver start and finished events to also use CompilationEvent * some scoping support in ObservableContext (to be replaced by the new Logging/Tracing/Metrics/Plotting code) * removed CiCompiler
author Lukas Stadler <lukas.stadler@jku.at>
date Wed, 11 Jan 2012 16:17:51 +0100
parents 78379b4203ec
children b49981617b10
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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.oracle.max.graal.printer;
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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.oracle.max.cri.ci.*;
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29 import com.oracle.max.cri.ri.*;
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30 import com.oracle.max.criutils.*;
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31 import com.oracle.max.graal.compiler.alloc.*;
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32 import com.oracle.max.graal.compiler.gen.*;
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33 import com.oracle.max.graal.compiler.lir.*;
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34 import com.oracle.max.graal.compiler.observer.*;
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35 import com.oracle.max.graal.compiler.schedule.*;
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36 import com.oracle.max.graal.graph.*;
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37 import com.oracle.max.graal.java.*;
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38 import com.oracle.max.graal.nodes.*;
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39
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40 /**
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41 * Observes compilation events and uses {@link CFGPrinter} to produce a control flow graph for the <a
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42 * href="http://java.net/projects/c1visualizer/">C1 Visualizer</a>.
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43 */
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44 public class CFGPrinterObserver implements CompilationObserver {
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45
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46 /**
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47 * A thread local stack of {@link CFGPrinter}s to support thread-safety and re-entrant compilation.
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48 */
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49 private ThreadLocal<LinkedList<CFGPrinter>> observations = new ThreadLocal<LinkedList<CFGPrinter>>() {
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50 @Override
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51 protected java.util.LinkedList<CFGPrinter> initialValue() {
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52 return new LinkedList<>();
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53 }
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54 };
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55
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56 @Override
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57 public void compilationStarted(CompilationEvent event) {
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58 if (TTY.isSuppressed()) {
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59 return;
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60 }
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61 RiRuntime runtime = event.debugObject(RiRuntime.class);
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62 CiTarget target = event.debugObject(CiTarget.class);
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63
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64 CFGPrinter cfgPrinter = new CFGPrinter(new ByteArrayOutputStream(), target, runtime);
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65 cfgPrinter.printCompilation(event.debugObject(RiResolvedMethod.class));
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66 observations.get().push(cfgPrinter);
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67 }
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68
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69 @Override
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70 public void compilationEvent(CompilationEvent event) {
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71 if (TTY.isSuppressed()) {
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72 return;
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73 }
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74 CFGPrinter cfgPrinter = observations.get().peek();
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75 if (cfgPrinter == null) {
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76 return;
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77 }
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78
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79 RiRuntime runtime = cfgPrinter.runtime;
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80 cfgPrinter.setLIR(event.debugObject(LIR.class), event.debugObject(LIRGenerator.class));
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81 BlockMap blockMap = event.debugObject(BlockMap.class);
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82 Graph graph = event.debugObject(Graph.class);
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83 IdentifyBlocksPhase schedule = event.debugObject(IdentifyBlocksPhase.class);
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84 LIR lir = event.debugObject(LIR.class);
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85 LinearScan allocator = event.debugObject(LinearScan.class);
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86 Interval[] intervals = event.debugObject(Interval[].class);
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87 CiTargetMethod targetMethod = event.debugObject(CiTargetMethod.class);
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88
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89 if (blockMap != null) {
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90 cfgPrinter.printCFG(event.label, blockMap);
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91 cfgPrinter.printBytecodes(runtime.disassemble(blockMap.method));
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92 }
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93 if (lir != null) {
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94 cfgPrinter.printCFG(event.label, lir.codeEmittingOrder(), graph != null);
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95 if (targetMethod != null) {
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96 cfgPrinter.printMachineCode(runtime.disassemble(targetMethod), null);
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97 }
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98 } else if (graph != null) {
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99 List<? extends Block> blocks = null;
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100 if (schedule == null) {
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101 try {
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102 schedule = new IdentifyBlocksPhase(true, LIRBlock.FACTORY);
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103 schedule.apply((StructuredGraph) graph, false);
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104 blocks = schedule.getBlocks();
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105
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106 ComputeLinearScanOrder clso = new ComputeLinearScanOrder(schedule.getBlocks().size(), schedule.loopCount(), (LIRBlock) schedule.getStartBlock());
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107 blocks = clso.codeEmittingOrder();
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108 } catch (Throwable t) {
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109 // nothing to do here...
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110 }
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111 }
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112 if (blocks != null) {
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113 cfgPrinter.printCFG(event.label, blocks, true);
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114 }
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115 }
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116 if (allocator != null && intervals != null) {
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117 cfgPrinter.printIntervals(event.label, intervals);
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118 }
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119 }
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120
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121 @Override
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122 public void compilationFinished(CompilationEvent event) {
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123 if (TTY.isSuppressed()) {
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124 return;
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125 }
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126 CFGPrinter cfgPrinter = observations.get().pop();
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127 cfgPrinter.flush();
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128
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129 OutputStream stream = CompilationPrinter.globalOut();
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130 if (stream != null) {
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131 synchronized (stream) {
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132 try {
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133 stream.write(cfgPrinter.buffer.toByteArray());
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134 stream.flush();
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135 } catch (IOException e) {
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136 TTY.println("WARNING: Error writing CFGPrinter output: %s", e);
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137 }
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138 }
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139 }
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140 }
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141 }