1 /*
   2  * Copyright (c) 2016, 2018, 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 
  25 
  26 package jdk.tools.jaotc.binformat;
  27 
  28 public final class GotSymbol extends Symbol {
  29 
  30     private static final int GOT_SIZE = 8;
  31 
  32     public int getIndex() {
  33         int offset = getOffset();
  34         assert (offset % GOT_SIZE) == 0 : "got cells should be aligned: " + offset;
  35         return offset / GOT_SIZE;
  36     }
  37 
  38     /**
  39      * Create GOT symbol info.
  40      *
  41      * @param type type of the symbol (UNDEFINED, FUNC, etc)
  42      * @param binding binding of the symbol (LOCAL, GLOBAL, ...)
  43      * @param container section in which this symbol is "defined"
  44      * @param name name of the symbol
  45      */
  46     public GotSymbol(Kind type, Binding binding, ByteContainer container, String name) {
  47         this(container.getByteStreamSize(), type, binding, container, name);
  48         container.appendBytes(new byte[GOT_SIZE], 0, GOT_SIZE);
  49     }
  50 
  51     /**
  52      * Create GOT symbol info.
  53      *
  54      * @param offset section offset for the defined symbol
  55      * @param type type of the symbol (UNDEFINED, FUNC, etc)
  56      * @param binding binding of the symbol (LOCAL, GLOBAL, ...)
  57      * @param sec section in which this symbol is "defined"
  58      * @param name name of the symbol
  59      */
  60     public GotSymbol(int offset, Kind type, Binding binding, ByteContainer sec, String name) {
  61         super(offset, type, binding, sec, GOT_SIZE, name);
  62     }
  63 
  64 }