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1 /*
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2 * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.debugger.posix.elf;
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26
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27 public interface ELFFile {
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28 /** ELF magic number. */
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29 public static final byte ELF_MAGIC_NUMBER[] = { 0x7f, 'E', 'L', 'F' };
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30
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31 public static final byte CLASS_INVALID = 0;
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32 /** 32-bit objects. */
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33 public static final byte CLASS_32 = 1;
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34 /** 64-bit objects. */
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35 public static final byte CLASS_64 = 2;
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36
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37 /** No data encoding. */
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38 public static final byte DATA_INVALID = 0;
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39 /** LSB data encoding. */
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40 public static final byte DATA_LSB = 1;
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41 /** MSB data encoding. */
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42 public static final byte DATA_MSB = 2;
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43
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44 /** No ELF header version. */
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45 public static final byte VERSION_INVALID = 0;
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46 /** Current ELF header version. */
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47 public static final byte VERSION_CURRENT = 1;
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48
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49 public static final byte NDX_MAGIC_0 = 0;
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50 public static final byte NDX_MAGIC_1 = 1;
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51 public static final byte NDX_MAGIC_2 = 2;
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52 public static final byte NDX_MAGIC_3 = 3;
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53 public static final byte NDX_OBJECT_SIZE = 4;
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54 public static final byte NDX_ENCODING = 5;
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55 public static final byte NDX_VERSION = 6;
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56
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57 public ELFHeader getHeader();
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58 public void close();
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59
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60 /** Returns the 4 byte magic number for this file. This value should
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61 * match the values in ELF_MAGIC_NUMBER. */
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62 public byte[] getMagicNumber();
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63 /** Returns a byte identifying the size of objects used for this ELF
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64 * file. The byte will be either CLASS_INVALID, CLASS_32 or CLASS_64. */
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65 public byte getObjectSize();
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66 /** Returns a byte identifying the data encoding of the processor specific
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67 * data. This byte will be either DATA_INVALID, DATA_LSB or DATA_MSB. */
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68 public byte getEncoding();
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69 /** Returns one of the version constants. This should be VERSION_CURRENT. */
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70 public byte getVersion();
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71 }
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