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1 /*
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2 * Copyright 2001-2003 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 import java.io.FileInputStream;
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28
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29 /**
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30 * This is a Java class that represents a ELF file header.
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31 *
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32 * @author Joshua W. Outwater
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33 */
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34 public interface ELFHeader {
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35 /** No file type. */
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36 public static final int FT_NONE = 0;
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37 /** Relocatable file type. */
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38 public static final int FT_REL = 1;
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39 /** Executable file type. */
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40 public static final int FT_EXEC = 2;
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41 /** Shared object file type. */
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42 public static final int FT_DYN = 3;
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43 /** Core file file type. */
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44 public static final int FT_CORE = 4;
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45 /** Processor specific. */
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46 public static final int FT_LOCPROC = 0xff00;
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47 /** Processor specific. */
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48 public static final int FT_HICPROC = 0xffff;
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49
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50 /** No architecture type. */
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51 public static final int ARCH_NONE = 0;
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52 /** AT&T architecture type. */
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53 public static final int ARCH_ATT = 1;
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54 /** SPARC architecture type. */
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55 public static final int ARCH_SPARC = 2;
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56 /** Intel 386 architecture type. */
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57 public static final int ARCH_i386 = 3;
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58 /** Motorolla 68000 architecture type. */
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59 public static final int ARCH_68k = 4;
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60 /** Motorolla 88000 architecture type. */
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61 public static final int ARCH_88k = 5;
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62 /** Intel 860 architecture type. */
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63 public static final int ARCH_i860 = 7;
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64 /** MIPS architecture type. */
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65 public static final int ARCH_MIPS = 8;
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66
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67 /** Returns a file type which is defined by the file type constants. */
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68 public short getFileType();
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69 /** Returns one of the architecture constants. */
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70 public short getArch();
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71 /** Returns the size of a section header. */
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72 public short getSectionHeaderSize();
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73 /** Returns the number of section headers. */
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74 public short getNumberOfSectionHeaders();
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75 /** Returns the section header at the specified index. The section header
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76 * at index 0 is the undefined section header. */
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77 public ELFSectionHeader getSectionHeader(int index);
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78 /** Returns the section header string table associated with this ELF
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79 * file. */
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80 public ELFStringTable getSectionHeaderStringTable();
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81 /** Returns the string table associated with this ELF file. */
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82 public ELFStringTable getStringTable();
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83 /** Returns the dynamic string table associated with this ELF file, or null
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84 * if one does not exist. */
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85 public ELFStringTable getDynamicStringTable();
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86 /** Returns the hash table associated with this ELF file, or null if one
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87 * does not exist. NOTE: Currently the ELFHashTable does not work so this
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88 * method will always return null. */
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89 public ELFHashTable getHashTable();
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90 /** Returns the symbol table associated with this ELF file, or null if one
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91 * does not exist. */
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92 public ELFSectionHeader getSymbolTableSection();
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93 /** Returns the dynamic symbol table associated with this ELF file, or null
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94 * if one does not exist. */
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95 public ELFSectionHeader getDynamicSymbolTableSection();
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96 /** Returns the elf symbol with the specified name or null if one is not
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97 * found. */
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98 public ELFSymbol getELFSymbol(String name);
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99 /** Returns the elf symbol with the specified address or null if one is not
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100 * found. 'address' is relative to base of shared object for .so's. */
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101 public ELFSymbol getELFSymbol(long address);
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102 /** Returns the size of a program header. */
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103 //public short getProgramHeaderSize();
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104 /** Returns the number of program headers. */
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105 //public short getNumberOfProgramHeaders();
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106 /** Returns the program header at the specified index. */
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107 //public ProgramHeader getProgramHeader(int index);
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108 }
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