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annotate graal/com.oracle.max.criutils/src/com/oracle/max/criutils/HexCodeFile.java @ 6309:6f8b6fc03c96

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Add a maximum number of unswitching per loop Enable Loop unswitching
author Gilles Duboscq <duboscq@ssw.jku.at>
date Mon, 03 Sep 2012 15:12:28 +0200
parents 4f9574b2893e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.oracle.max.criutils;
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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 import java.util.regex.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.code.CompilationResult.CodeAnnotation;
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31 import com.oracle.graal.api.code.CompilationResult.CodeComment;
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32 import com.oracle.graal.api.code.CompilationResult.JumpTable;
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33 import com.oracle.graal.api.code.CompilationResult.LookupTable;
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36 /**
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37 * A HexCodeFile is a textual format for representing a chunk of machine code along
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38 * with extra information that can be used to enhance a disassembly of the code.
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39 *
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40 * A pseudo grammar for a HexCodeFile is given below.
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41 * <pre>
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42 * HexCodeFile ::= Platform Delim HexCode Delim (OptionalSection Delim)*
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43 *
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44 * OptionalSection ::= Comment | OperandComment | JumpTable | LookupTable
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45 *
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46 * Platform ::= "Platform" ISA WordWidth
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47 *
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48 * HexCode ::= "HexCode" StartAddress HexDigits
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49 *
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50 * Comment ::= "Comment" Position String
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51 *
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52 * OperandComment ::= "OperandComment" Position String
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53 *
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54 * JumpTable ::= "JumpTable" Position EntrySize Low High
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55 *
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56 * LookupTable ::= "LookupTable" Position NPairs KeySize OffsetSize
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57 *
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58 * Position, EntrySize, Low, High, NPairs KeySize OffsetSize ::= int
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59 *
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60 * Delim := "<||@"
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61 * </pre>
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62 *
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63 * There must be exactly one HexCode and Platform part in a HexCodeFile. The length of HexDigits must be even
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64 * as each pair of digits represents a single byte.
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65 * <p>
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66 * Below is an example of a valid Code input:
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67 * <pre>
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68 *
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69 * Platform AMD64 64 <||@
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70 * HexCode 0 e8000000009090904883ec084889842410d0ffff48893c24e800000000488b3c24488bf0e8000000004883c408c3 <||@
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71 * Comment 24 frame-ref-map: +0 {0}
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72 * at java.lang.String.toLowerCase(String.java:2496) [bci: 1]
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73 * |0
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74 * locals: |stack:0:a
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75 * stack: |stack:0:a
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76 * <||@
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77 * OperandComment 24 {java.util.Locale.getDefault()} <||@
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78 * Comment 36 frame-ref-map: +0 {0}
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79 * at java.lang.String.toLowerCase(String.java:2496) [bci: 4]
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80 * |0
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81 * locals: |stack:0:a
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82 * <||@
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83 * OperandComment 36 {java.lang.String.toLowerCase(Locale)} <||@
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84 *
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85 * </pre>
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86 */
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87 public class HexCodeFile {
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88
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89 public static final String NEW_LINE = CodeUtil.NEW_LINE;
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90 public static final String SECTION_DELIM = " <||@";
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91 public static final Pattern SECTION = Pattern.compile("(\\S+)\\s+(.*)", Pattern.DOTALL);
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92 public static final Pattern COMMENT = Pattern.compile("(\\d+)\\s+(.*)", Pattern.DOTALL);
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93 public static final Pattern OPERAND_COMMENT = COMMENT;
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94 public static final Pattern JUMP_TABLE = Pattern.compile("(\\d+)\\s+(\\d+)\\s+(-{0,1}\\d+)\\s+(-{0,1}\\d+)\\s*");
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95 public static final Pattern LOOKUP_TABLE = Pattern.compile("(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s*");
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96 public static final Pattern HEX_CODE = Pattern.compile("(\\p{XDigit}+)(?:\\s+(\\p{XDigit}*))?");
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97 public static final Pattern PLATFORM = Pattern.compile("(\\S+)\\s+(\\S+)", Pattern.DOTALL);
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98
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99 /**
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100 * Delimiter placed before a HexCodeFile when embedded in a string/stream.
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101 */
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102 public static final String EMBEDDED_HCF_OPEN = "<<<HexCodeFile";
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103
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104 /**
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105 * Delimiter placed after a HexCodeFile when embedded in a string/stream.
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106 */
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107 public static final String EMBEDDED_HCF_CLOSE = "HexCodeFile>>>";
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108
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109 /**
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110 * Map from a machine code position to a list of comments for the position.
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111 */
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112 public final Map<Integer, List<String>> comments = new TreeMap<>();
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113
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114 /**
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115 * Map from a machine code position to a comment for the operands of the instruction at the position.
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116 */
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117 public final Map<Integer, String> operandComments = new TreeMap<>();
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118
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119 public final byte[] code;
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120
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121 public final ArrayList<JumpTable> jumpTables = new ArrayList<>();
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122
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123 public final ArrayList<LookupTable> lookupTables = new ArrayList<>();
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124
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125 public final String isa;
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126
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127 public final int wordWidth;
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128
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129 public final long startAddress;
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130
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131 public HexCodeFile(byte[] code, long startAddress, String isa, int wordWidth) {
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132 this.code = code;
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133 this.startAddress = startAddress;
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134 this.isa = isa;
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
135 this.wordWidth = wordWidth;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
136 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
137
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
138 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
139 * Parses a string in the format produced by {@link #toString()} to produce a {@link HexCodeFile} object.
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
140 */
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
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parents: 5547
diff changeset
141 public static HexCodeFile parse(String input, int sourceOffset, String source, String sourceName) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
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parents: 5547
diff changeset
142 return new Parser(input, sourceOffset, source, sourceName).hcf;
3733
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parents:
diff changeset
143 }
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parents:
diff changeset
144
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
145 /**
6278
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diff changeset
146 * Formats this HexCodeFile as a string that can be parsed with {@link #parse(String, int, String, String)}.
3733
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diff changeset
147 */
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
148 @Override
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parents:
diff changeset
149 public String toString() {
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parents:
diff changeset
150 ByteArrayOutputStream baos = new ByteArrayOutputStream();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
151 writeTo(baos);
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parents:
diff changeset
152 return baos.toString();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
153 }
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parents:
diff changeset
154
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
155 public String toEmbeddedString() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
156 return EMBEDDED_HCF_OPEN + NEW_LINE + toString() + EMBEDDED_HCF_CLOSE;
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parents:
diff changeset
157 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
158
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
159 public void writeTo(OutputStream out) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
160 PrintStream ps = out instanceof PrintStream ? (PrintStream) out : new PrintStream(out);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161 ps.printf("Platform %s %d %s%n", isa, wordWidth, SECTION_DELIM);
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parents:
diff changeset
162 ps.printf("HexCode %x %s %s%n", startAddress, HexCodeFile.hexCodeString(code), SECTION_DELIM);
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parents:
diff changeset
163
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 for (JumpTable table : jumpTables) {
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parents:
diff changeset
165 ps.printf("JumpTable %d %d %d %d %s%n", table.position, table.entrySize, table.low, table.high, SECTION_DELIM);
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parents:
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166 }
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parents:
diff changeset
167
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parents:
diff changeset
168 for (LookupTable table : lookupTables) {
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parents:
diff changeset
169 ps.printf("LookupTable %d %d %d %d %s%n", table.position, table.npairs, table.keySize, table.keySize, SECTION_DELIM);
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parents:
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170 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
171
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 for (Map.Entry<Integer, List<String>> e : comments.entrySet()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
173 int pos = e.getKey();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 for (String comment : e.getValue()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 ps.printf("Comment %d %s %s%n", pos, comment, SECTION_DELIM);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
177 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
178
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 for (Map.Entry<Integer, String> e : operandComments.entrySet()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
180 ps.printf("OperandComment %d %s %s%n", e.getKey(), e.getValue(), SECTION_DELIM);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 ps.flush();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
184
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187 * Formats a byte array as a string of hex digits.
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188 */
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 public static String hexCodeString(byte[] code) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 StringBuilder sb = new StringBuilder(code.length * 2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191 for (int b : code) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192 String hex = Integer.toHexString(b & 0xff);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
193 if (hex.length() == 1) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
194 sb.append('0');
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196 sb.append(hex);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 return sb.toString();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 /**
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 * Adds a comment to the list of comments for a given position.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204 public void addComment(int pos, String comment) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 List<String> list = comments.get(pos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206 if (list == null) {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
207 list = new ArrayList<>();
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
208 comments.put(pos, list);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
210 list.add(encodeString(comment));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
211 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
212
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 * Sets an operand comment for a given position.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
215 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
216 * @return the previous operand comment for {@code pos}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
217 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
218 public String addOperandComment(int pos, String comment) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 return operandComments.put(pos, encodeString(comment));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
223 * Adds any jump tables, lookup tables or code comments from a list of code annotations.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
224 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 public static void addAnnotations(HexCodeFile hcf, List<CodeAnnotation> annotations) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 if (annotations == null || annotations.isEmpty()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
228 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
229 for (CodeAnnotation a : annotations) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
230 if (a instanceof JumpTable) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
231 JumpTable table = (JumpTable) a;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232 hcf.jumpTables.add(table);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 } else if (a instanceof LookupTable) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
234 LookupTable table = (LookupTable) a;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
235 hcf.lookupTables.add(table);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236 } else if (a instanceof CodeComment) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
237 CodeComment comment = (CodeComment) a;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
238 hcf.addComment(comment.position, comment.value);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
239 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
241 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
242
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244 * Modifies a string to mangle any substrings matching {@link #SECTION_DELIM}.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 */
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
246 public static String encodeString(String input) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
247 int index;
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
248 String s = input;
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
249 while ((index = s.indexOf(SECTION_DELIM)) != -1) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
250 s = s.substring(0, index) + " < |@" + s.substring(index + SECTION_DELIM.length());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
251 }
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
252 return s;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
254
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
255 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
256 * Helper class to parse a string in the format produced by {@link HexCodeFile#toString()}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
257 * and produce a {@link HexCodeFile} object.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
258 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
259 static class Parser {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
260
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
261 final String input;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
262 final String inputSource;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
263 String isa;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
264 int wordWidth;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
265 byte[] code;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
266 long startAddress;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
267 HexCodeFile hcf;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
268
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
269 Parser(String input, int sourceOffset, String source, String sourceName) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
270 this.input = input;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
271 this.inputSource = sourceName;
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
272 parseSections(sourceOffset, source);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
273 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
274
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
275 void makeHCF() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
276 if (hcf == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
277 if (isa != null && wordWidth != 0 && code != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
278 hcf = new HexCodeFile(code, startAddress, isa, wordWidth);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
279 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
280 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
281 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
282
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
283 void checkHCF(String section, int offset) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
284 check(hcf != null, offset, section + " section must be after Platform and HexCode section");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
285 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
286
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
287 void check(boolean condition, int offset, String message) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
288 if (!condition) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
289 error(offset, message);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
290 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
291 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
292
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
293 Error error(int offset, String message) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
294 throw new Error(errorMessage(offset, message));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
295 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
296
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
297 void warning(int offset, String message) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
298 System.err.println("Warning: " + errorMessage(offset, message));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
299 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
300
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
301 String errorMessage(int offset, String message) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
302 assert offset < input.length();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
303 InputPos inputPos = filePos(offset);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
304 int lineEnd = input.indexOf(HexCodeFile.NEW_LINE, offset);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
305 int lineStart = offset - inputPos.col;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
306 String line = lineEnd == -1 ? input.substring(lineStart) : input.substring(lineStart, lineEnd);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
307 return String.format("%s:%d: %s%n%s%n%" + (inputPos.col + 1) + "s", inputSource, inputPos.line, message, line, "^");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
308 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
309
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
310 static class InputPos {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
311 final int line;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
312 final int col;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
313 public InputPos(int line, int col) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
314 this.line = line;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
315 this.col = col;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
316 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
317 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
318
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
319 InputPos filePos(int index) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
320 assert input != null;
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
321 int lineStart = input.lastIndexOf(HexCodeFile.NEW_LINE, index) + 1;
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
322
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
323 String l = input.substring(lineStart, lineStart + 10);
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
324 System.out.println("YYY" + input.substring(index, index + 10) + "...");
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
325 System.out.println("XXX" + l + "...");
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
326
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
327 int pos = input.indexOf(HexCodeFile.NEW_LINE, 0);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
328 int line = 1;
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
329 while (pos > 0 && pos < index) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
330 line++;
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
331 pos = input.indexOf(HexCodeFile.NEW_LINE, pos + 1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
332 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
333 return new InputPos(line, index - lineStart);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
334 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
335
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
336 void parseSections(int offset, String source) {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
337 assert input.startsWith(source, offset);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
338 int index = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
339 int endIndex = source.indexOf(SECTION_DELIM);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
340 while (endIndex != -1) {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
341 while (source.charAt(index) <= ' ') {
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
342 index++;
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
343 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
344 String section = source.substring(index, endIndex).trim();
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
345 parseSection(offset + index, section);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
346 index = endIndex + SECTION_DELIM.length();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
347 endIndex = source.indexOf(SECTION_DELIM, index);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
348 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
349 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
350
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
351 int parseInt(int offset, String value) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
352 try {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
353 return Integer.parseInt(value);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
354 } catch (NumberFormatException e) {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
355 throw error(offset, "Not a valid integer: " + value);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
356 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
357 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
358
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
359 void parseSection(int offset, String section) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
360 if (section.isEmpty()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
361 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
362 }
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
363 assert input.startsWith(section, offset);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
364 Matcher m = HexCodeFile.SECTION.matcher(section);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
365 check(m.matches(), offset, "Section does not match pattern " + HexCodeFile.SECTION);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
366
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
367 String header = m.group(1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
368 String body = m.group(2);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
369 int headerOffset = offset + m.start(1);
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
370 int bodyOffset = offset + m.start(2);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
371
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
372 if (header.equals("Platform")) {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
373 check(isa == null, bodyOffset, "Duplicate Platform section found");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
374 m = HexCodeFile.PLATFORM.matcher(body);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
375 check(m.matches(), bodyOffset, "Platform does not match pattern " + HexCodeFile.PLATFORM);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
376 isa = m.group(1);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
377 wordWidth = parseInt(bodyOffset + m.start(2), m.group(2));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
378 makeHCF();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
379 } else if (header.equals("HexCode")) {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
380 check(code == null, bodyOffset, "Duplicate Code section found");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
381 m = HexCodeFile.HEX_CODE.matcher(body);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
382 check(m.matches(), bodyOffset, "Code does not match pattern " + HexCodeFile.HEX_CODE);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
383 String hexAddress = m.group(1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
384 startAddress = Long.valueOf(hexAddress, 16);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
385 String hexCode = m.group(2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
386 if (hexCode == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
387 code = new byte[0];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
388 } else {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
389 check((hexCode.length() % 2) == 0, bodyOffset, "Hex code length must be even");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
390 code = new byte[hexCode.length() / 2];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
391 for (int i = 0; i < code.length; i++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
392 String hexByte = hexCode.substring(i * 2, (i + 1) * 2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
393 code[i] = (byte) Integer.parseInt(hexByte, 16);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
394 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
395 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
396 makeHCF();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
397 } else if (header.equals("Comment")) {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
398 checkHCF("Comment", headerOffset);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
399 m = HexCodeFile.COMMENT.matcher(body);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
400 check(m.matches(), bodyOffset, "Comment does not match pattern " + HexCodeFile.COMMENT);
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
401 int pos = parseInt(bodyOffset + m.start(1), m.group(1));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
402 String comment = m.group(2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
403 hcf.addComment(pos, comment);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
404 } else if (header.equals("OperandComment")) {
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
405 checkHCF("OperandComment", headerOffset);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
406 m = HexCodeFile.OPERAND_COMMENT.matcher(body);
6278
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
407 check(m.matches(), bodyOffset, "OperandComment does not match pattern " + HexCodeFile.OPERAND_COMMENT);
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
408 int pos = parseInt(bodyOffset + m.start(1), m.group(1));
3733
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409 String comment = m.group(2);
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410 hcf.addOperandComment(pos, comment);
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411 } else if (header.equals("JumpTable")) {
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412 checkHCF("JumpTable", headerOffset);
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413 m = HexCodeFile.JUMP_TABLE.matcher(body);
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414 check(m.matches(), bodyOffset, "JumpTable does not match pattern " + HexCodeFile.JUMP_TABLE);
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parents: 5547
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415 int pos = parseInt(bodyOffset + m.start(1), m.group(1));
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416 int entrySize = parseInt(bodyOffset + m.start(2), m.group(2));
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diff changeset
417 int low = parseInt(bodyOffset + m.start(3), m.group(3));
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418 int high = parseInt(bodyOffset + m.start(4), m.group(4));
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parents:
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419 hcf.jumpTables.add(new JumpTable(pos, low, high, entrySize));
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parents:
diff changeset
420 } else if (header.equals("LookupTable")) {
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421 checkHCF("LookupTable", headerOffset);
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422 m = HexCodeFile.LOOKUP_TABLE.matcher(body);
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parents: 5547
diff changeset
423 check(m.matches(), bodyOffset, "LookupTable does not match pattern " + HexCodeFile.LOOKUP_TABLE);
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parents: 5547
diff changeset
424 int pos = parseInt(bodyOffset + m.start(1), m.group(1));
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
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parents: 5547
diff changeset
425 int npairs = parseInt(bodyOffset + m.start(2), m.group(2));
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parents: 5547
diff changeset
426 int keySize = parseInt(bodyOffset + m.start(3), m.group(3));
4f9574b2893e removed dependence on private java.lang.String internals in HexCodeFile
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parents: 5547
diff changeset
427 int offsetSize = parseInt(bodyOffset + m.start(4), m.group(4));
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parents:
diff changeset
428 hcf.lookupTables.add(new LookupTable(pos, npairs, keySize, offsetSize));
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parents:
diff changeset
429 } else {
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parents: 5547
diff changeset
430 error(offset, "Unknown section header: " + header);
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parents:
diff changeset
431 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
432 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
433 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
434 }