Mercurial > hg > graal-jvmci-8
annotate graal/Compiler/src/com/sun/c1x/debug/BlockPrinter.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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2507
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1 /* |
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2 * Copyright (c) 2009, 2010, 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 com.sun.c1x.graph.*; |
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26 import com.sun.c1x.ir.*; |
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27 import com.sun.c1x.util.*; |
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28 import com.sun.c1x.value.*; |
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29 |
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30 /** |
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31 * Prints a listing for a {@linkplain BlockBegin block}. |
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32 * |
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33 * @author Doug Simon |
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34 */ |
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35 public class BlockPrinter implements BlockClosure { |
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36 |
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37 private final InstructionPrinter ip; |
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38 private final boolean cfgOnly; |
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39 private final boolean liveOnly; |
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40 |
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41 public BlockPrinter(IR ir, InstructionPrinter ip, boolean cfgOnly, boolean liveOnly) { |
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42 this.ip = ip; |
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43 this.cfgOnly = cfgOnly; |
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44 this.liveOnly = liveOnly; |
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45 } |
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46 |
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47 public void apply(BlockBegin block) { |
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48 if (cfgOnly) { |
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49 ip.printInstruction(block); |
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50 ip.out().println(); |
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51 } else { |
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52 printBlock(block, liveOnly); |
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53 } |
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54 } |
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55 |
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56 public void printBlock(BlockBegin block, boolean liveOnly) { |
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57 ip.printInstruction(block); |
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58 LogStream out = ip.out(); |
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59 out.println(); |
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60 printFrameState(block.stateBefore(), out); |
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61 out.println(); |
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62 |
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63 out.println("inlining depth " + block.stateBefore().scope().level); |
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64 |
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65 ip.printInstructionListingHeader(); |
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66 |
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67 for (Instruction i = block.next(); i != null; i = i.next()) { |
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68 if (!liveOnly || i.isLive()) { |
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69 ip.printInstructionListing(i); |
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70 } |
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71 } |
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72 out.println(); |
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73 |
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74 } |
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75 |
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76 private static void printFrameState(FrameState newFrameState, LogStream out) { |
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77 int startPosition = out.position(); |
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78 if (newFrameState.stackEmpty()) { |
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79 out.print("empty stack"); |
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80 } else { |
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81 out.print("stack ["); |
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82 int i = 0; |
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83 while (i < newFrameState.stackSize()) { |
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84 if (i > 0) { |
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85 out.print(", "); |
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86 } |
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87 Value value = newFrameState.stackAt(i); |
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88 out.print(i + ":" + Util.valueString(value)); |
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89 if (value == null) { |
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90 i++; |
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91 } else { |
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92 i += value.kind.sizeInSlots(); |
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93 if (value instanceof Phi) { |
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94 Phi phi = (Phi) value; |
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95 if (phi.operand() != null) { |
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96 out.print(" "); |
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97 out.print(phi.operand().toString()); |
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98 } |
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99 } |
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100 } |
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101 } |
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102 out.print(']'); |
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103 } |
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104 if (newFrameState.locksSize() != 0) { |
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105 // print out the lines on the line below this |
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106 // one at the same indentation level. |
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107 out.println(); |
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108 out.fillTo(startPosition, ' '); |
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109 out.print("locks ["); |
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110 for (int i = 0; i < newFrameState.locksSize(); i++) { |
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111 Value value = newFrameState.lockAt(i); |
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112 if (i > 0) { |
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113 out.print(", "); |
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114 } |
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115 out.print(i + ":"); |
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116 if (value == null) { |
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117 // synchronized methods push null on the lock stack |
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118 out.print("this"); |
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119 } else { |
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120 out.print(Util.valueString(value)); |
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121 } |
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122 } |
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123 out.print("]"); |
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124 } |
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125 } |
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126 } |