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 24 package jdk.tools.jaotc.binformat; 25 26 public final class GotSymbol extends Symbol { 27 28 private static final int GOT_SIZE = 8; 29 30 public int getIndex() { 31 int offset = getOffset(); 32 assert (offset % GOT_SIZE) == 0 : "got cells should be aligned: " + offset; 33 return offset / GOT_SIZE; 34 } 35 36 /** 37 * Create GOT symbol info. 38 * 39 * @param type type of the symbol (UNDEFINED, FUNC, etc) 40 * @param binding binding of the symbol (LOCAL, GLOBAL, ...) 41 * @param container section in which this symbol is "defined" 42 * @param name name of the symbol 43 */ 44 public GotSymbol(Kind type, Binding binding, ByteContainer container, String name) { 45 this(container.getByteStreamSize(), type, binding, container, name); 46 container.appendBytes(new byte[GOT_SIZE], 0, GOT_SIZE); 47 } 48 49 /** 50 * Create GOT symbol info. 51 * 52 * @param offset section offset for the defined symbol 53 * @param type type of the symbol (UNDEFINED, FUNC, etc) 54 * @param binding binding of the symbol (LOCAL, GLOBAL, ...) 55 * @param sec section in which this symbol is "defined" 56 * @param name name of the symbol 57 */ 58 public GotSymbol(int offset, Kind type, Binding binding, ByteContainer sec, String name) { 59 super(offset, type, binding, sec, GOT_SIZE, name); 60 } 61 62 }