1 /* 2 * Copyright (c) 2001, 2003, 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 package sun.jvm.hotspot.debugger.posix.elf; 26 27 import java.io.FileInputStream; 28 29 /** 30 * This is a Java class that represents a ELF file header. 31 * 32 * @author Joshua W. Outwater 33 */ 34 public interface ELFHeader { 35 /** No file type. */ 36 public static final int FT_NONE = 0; 37 /** Relocatable file type. */ 38 public static final int FT_REL = 1; 39 /** Executable file type. */ 40 public static final int FT_EXEC = 2; 41 /** Shared object file type. */ 42 public static final int FT_DYN = 3; 43 /** Core file file type. */ 44 public static final int FT_CORE = 4; 45 /** Processor specific. */ 46 public static final int FT_LOCPROC = 0xff00; 47 /** Processor specific. */ 48 public static final int FT_HICPROC = 0xffff; 49 50 /** No architecture type. */ 51 public static final int ARCH_NONE = 0; 52 /** AT&T architecture type. */ 53 public static final int ARCH_ATT = 1; 54 /** SPARC architecture type. */ 55 public static final int ARCH_SPARC = 2; 56 /** Intel 386 architecture type. */ 57 public static final int ARCH_i386 = 3; 58 /** Motorolla 68000 architecture type. */ 59 public static final int ARCH_68k = 4; 60 /** Motorolla 88000 architecture type. */ 61 public static final int ARCH_88k = 5; 62 /** Intel 860 architecture type. */ 63 public static final int ARCH_i860 = 7; 64 /** MIPS architecture type. */ 65 public static final int ARCH_MIPS = 8; 66 67 /** Returns a file type which is defined by the file type constants. */ getFileType()68 public short getFileType(); 69 /** Returns one of the architecture constants. */ getArch()70 public short getArch(); 71 /** Returns the size of a section header. */ getSectionHeaderSize()72 public short getSectionHeaderSize(); 73 /** Returns the number of section headers. */ getNumberOfSectionHeaders()74 public short getNumberOfSectionHeaders(); 75 /** Returns the section header at the specified index. The section header 76 * at index 0 is the undefined section header. */ getSectionHeader(int index)77 public ELFSectionHeader getSectionHeader(int index); 78 /** Returns the section header string table associated with this ELF 79 * file. */ getSectionHeaderStringTable()80 public ELFStringTable getSectionHeaderStringTable(); 81 /** Returns the string table associated with this ELF file. */ getStringTable()82 public ELFStringTable getStringTable(); 83 /** Returns the dynamic string table associated with this ELF file, or null 84 * if one does not exist. */ getDynamicStringTable()85 public ELFStringTable getDynamicStringTable(); 86 /** Returns the hash table associated with this ELF file, or null if one 87 * does not exist. NOTE: Currently the ELFHashTable does not work so this 88 * method will always return null. */ getHashTable()89 public ELFHashTable getHashTable(); 90 /** Returns the symbol table associated with this ELF file, or null if one 91 * does not exist. */ getSymbolTableSection()92 public ELFSectionHeader getSymbolTableSection(); 93 /** Returns the dynamic symbol table associated with this ELF file, or null 94 * if one does not exist. */ getDynamicSymbolTableSection()95 public ELFSectionHeader getDynamicSymbolTableSection(); 96 /** Returns the elf symbol with the specified name or null if one is not 97 * found. */ getELFSymbol(String name)98 public ELFSymbol getELFSymbol(String name); 99 /** Returns the elf symbol with the specified address or null if one is not 100 * found. 'address' is relative to base of shared object for .so's. */ getELFSymbol(long address)101 public ELFSymbol getELFSymbol(long address); 102 /** Returns the size of a program header. */ 103 //public short getProgramHeaderSize(); 104 /** Returns the number of program headers. */ 105 //public short getNumberOfProgramHeaders(); 106 /** Returns the program header at the specified index. */ 107 //public ProgramHeader getProgramHeader(int index); 108 } 109