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comparison graal/GraalCompiler/src/com/sun/c1x/debug/BlockPrinter.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/debug/BlockPrinter.java@9ec15d6914ca
children e1b3db8031ee
comparison
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.c1x.debug;
24
25 import com.sun.c1x.graph.*;
26 import com.sun.c1x.ir.*;
27 import com.sun.c1x.util.*;
28 import com.sun.c1x.value.*;
29
30 /**
31 * Prints a listing for a {@linkplain BlockBegin block}.
32 *
33 * @author Doug Simon
34 */
35 public class BlockPrinter implements BlockClosure {
36
37 private final InstructionPrinter ip;
38 private final boolean cfgOnly;
39 private final boolean liveOnly;
40
41 public BlockPrinter(IR ir, InstructionPrinter ip, boolean cfgOnly, boolean liveOnly) {
42 this.ip = ip;
43 this.cfgOnly = cfgOnly;
44 this.liveOnly = liveOnly;
45 }
46
47 public void apply(BlockBegin block) {
48 if (cfgOnly) {
49 ip.printInstruction(block);
50 ip.out().println();
51 } else {
52 printBlock(block, liveOnly);
53 }
54 }
55
56 public void printBlock(BlockBegin block, boolean liveOnly) {
57 ip.printInstruction(block);
58 LogStream out = ip.out();
59 out.println();
60 printFrameState(block.stateBefore(), out);
61 out.println();
62
63 out.println("inlining depth " + block.stateBefore().scope().level);
64
65 ip.printInstructionListingHeader();
66
67 for (Instruction i = block.next(); i != null; i = i.next()) {
68 if (!liveOnly || i.isLive()) {
69 ip.printInstructionListing(i);
70 }
71 }
72 out.println();
73
74 }
75
76 private static void printFrameState(FrameState newFrameState, LogStream out) {
77 int startPosition = out.position();
78 if (newFrameState.stackEmpty()) {
79 out.print("empty stack");
80 } else {
81 out.print("stack [");
82 int i = 0;
83 while (i < newFrameState.stackSize()) {
84 if (i > 0) {
85 out.print(", ");
86 }
87 Value value = newFrameState.stackAt(i);
88 out.print(i + ":" + Util.valueString(value));
89 if (value == null) {
90 i++;
91 } else {
92 i += value.kind.sizeInSlots();
93 if (value instanceof Phi) {
94 Phi phi = (Phi) value;
95 if (phi.operand() != null) {
96 out.print(" ");
97 out.print(phi.operand().toString());
98 }
99 }
100 }
101 }
102 out.print(']');
103 }
104 if (newFrameState.locksSize() != 0) {
105 // print out the lines on the line below this
106 // one at the same indentation level.
107 out.println();
108 out.fillTo(startPosition, ' ');
109 out.print("locks [");
110 for (int i = 0; i < newFrameState.locksSize(); i++) {
111 Value value = newFrameState.lockAt(i);
112 if (i > 0) {
113 out.print(", ");
114 }
115 out.print(i + ":");
116 if (value == null) {
117 // synchronized methods push null on the lock stack
118 out.print("this");
119 } else {
120 out.print(Util.valueString(value));
121 }
122 }
123 out.print("]");
124 }
125 }
126 }