1/* 2 * Copyright (c) 2016, 2017, 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 24package jdk.tools.jaotc.binformat; 25 26import java.util.Objects; 27 28import jdk.tools.jaotc.binformat.NativeSymbol; 29 30public class Symbol { 31 32 public enum Binding { 33 UNDEFINED, 34 LOCAL, 35 GLOBAL 36 } 37 38 public enum Kind { 39 UNDEFINED, 40 NATIVE_FUNCTION, 41 JAVA_FUNCTION, 42 OBJECT, 43 NOTYPE 44 } 45 46 private final String name; 47 private final int size; 48 private final int offset; 49 private final Binding binding; 50 private final Kind kind; 51 52 private ByteContainer section; 53 private NativeSymbol nativeSymbol; 54 55 /** 56 * Create symbol info. 57 * 58 * @param offset section offset for the defined symbol 59 * @param kind kind of the symbol (UNDEFINED, FUNC, etc) 60 * @param binding binding of the symbol (LOCAL, GLOBAL, ...) 61 * @param section section in which this symbol is "defined" 62 * @param size size of the symbol 63 * @param name name of the symbol 64 */ 65 66 public Symbol(int offset, Kind kind, Binding binding, ByteContainer section, int size, String name) { 67 this.binding = binding; 68 this.kind = kind; 69 this.section = section; 70 this.size = size; 71 this.offset = offset; 72 this.name = name; 73 } 74 75 public String getName() { 76 return name; 77 } 78 79 public NativeSymbol getNativeSymbol() { 80 return nativeSymbol; 81 } 82 83 public void setNativeSymbol(NativeSymbol nativeSym) { 84 this.nativeSymbol = nativeSym; 85 } 86 87 public Binding getBinding() { 88 return binding; 89 } 90 91 public Kind getKind() { 92 return kind; 93 } 94 95 public int getSize() { 96 return size; 97 } 98 99 public ByteContainer getSection() { 100 return section; 101 } 102 103 public int getOffset() { 104 return offset; 105 } 106 107 @Override 108 public boolean equals(Object obj) { 109 if (this == obj) { 110 return true; 111 } 112 if (!(obj instanceof Symbol)) { 113 return false; 114 } 115 if (getClass() != obj.getClass()) { 116 return false; 117 } 118 119 Symbol symbol = (Symbol) obj; 120 121 if (size != symbol.size) { 122 return false; 123 } 124 if (offset != symbol.offset) { 125 return false; 126 } 127 if (!name.equals(symbol.name)) { 128 return false; 129 } 130 if (binding != symbol.binding) { 131 return false; 132 } 133 if (kind != symbol.kind) { 134 return false; 135 } 136 return !(section != null ? !section.equals(symbol.section) : symbol.section != null); 137 } 138 139 @Override 140 public int hashCode() { 141 int result = Objects.hash(name, binding, kind, section); 142 result = 31 * result + size; 143 result = 31 * result + offset; 144 return result; 145 } 146 147 @Override 148 public String toString() { 149 return "[" + name + ", " + size + ", " + offset + ", " + binding + ", " + kind + ", " + section + "]"; 150 } 151 152} 153