GotSymbol.java revision 12408:777aaa19c4b1 
1/*
2 * Copyright (c) 2016, 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
26public 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    public GotSymbol(Kind type, Binding binding, ByteContainer container, String name) {
37        this(container.getByteStreamSize(), type, binding, container, name);
38        container.appendBytes(new byte[GOT_SIZE], 0, GOT_SIZE);
39    }
40
41    /**
42     * Create symbol info.
43     *
44     * @param offset section offset for the defined symbol
45     * @param type type of the symbol (UNDEFINED, FUNC, etc)
46     * @param binding binding of the symbol (LOCAL, GLOBAL, ...)
47     * @param sec section in which this symbol is "defined"
48     */
49    public GotSymbol(int offset, Kind type, Binding binding, ByteContainer sec, String name) {
50        super(offset, type, binding, sec, GOT_SIZE, name);
51    }
52
53}
54