1 /* ELF support for BFD.
2 Copyright (C) 1991 Free Software Foundation, Inc.
4 Written by Fred Fish @ Cygnus Support, from information published
5 in "UNIX System V Release 4, Programmers Guide: ANSI C and
6 Programming Support Tools".
8 This file is part of BFD, the Binary File Descriptor library.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
25 /* This file is part of ELF support for BFD, and contains the portions
26 that describe how ELF is represented externally by the BFD library.
27 I.E. it describes the in-file representation of ELF. It requires
28 the elf-common.h file which contains the portions that are common to
29 both the internal and external representations. */
31 /* ELF Header (32-bit implementations) */
34 unsigned char e_ident
[16]; /* ELF "magic number" */
35 unsigned char e_type
[2]; /* Identifies object file type */
36 unsigned char e_machine
[2]; /* Specifies required architecture */
37 unsigned char e_version
[4]; /* Identifies object file version */
38 unsigned char e_entry
[4]; /* Entry point virtual address */
39 unsigned char e_phoff
[4]; /* Program header table file offset */
40 unsigned char e_shoff
[4]; /* Section header table file offset */
41 unsigned char e_flags
[4]; /* Processor-specific flags */
42 unsigned char e_ehsize
[2]; /* ELF header size in bytes */
43 unsigned char e_phentsize
[2]; /* Program header table entry size */
44 unsigned char e_phnum
[2]; /* Program header table entry count */
45 unsigned char e_shentsize
[2]; /* Section header table entry size */
46 unsigned char e_shnum
[2]; /* Section header table entry count */
47 unsigned char e_shstrndx
[2]; /* Section header string table index */
53 unsigned char p_type
[4]; /* Identifies program segment type */
54 unsigned char p_offset
[4]; /* Segment file offset */
55 unsigned char p_vaddr
[4]; /* Segment virtual address */
56 unsigned char p_paddr
[4]; /* Segment physical address */
57 unsigned char p_filesz
[4]; /* Segment size in file */
58 unsigned char p_memsz
[4]; /* Segment size in memory */
59 unsigned char p_flags
[4]; /* Segment flags */
60 unsigned char p_align
[4]; /* Segment alignment, file & memory */
66 unsigned char sh_name
[4]; /* Section name, index in string tbl */
67 unsigned char sh_type
[4]; /* Type of section */
68 unsigned char sh_flags
[4]; /* Miscellaneous section attributes */
69 unsigned char sh_addr
[4]; /* Section virtual addr at execution */
70 unsigned char sh_offset
[4]; /* Section file offset */
71 unsigned char sh_size
[4]; /* Size of section in bytes */
72 unsigned char sh_link
[4]; /* Index of another section */
73 unsigned char sh_info
[4]; /* Additional section information */
74 unsigned char sh_addralign
[4]; /* Section alignment */
75 unsigned char sh_entsize
[4]; /* Entry size if section holds table */
78 /* Symbol table entry */
81 unsigned char st_name
[4]; /* Symbol name, index in string tbl */
82 unsigned char st_value
[4]; /* Value of the symbol */
83 unsigned char st_size
[4]; /* Associated symbol size */
84 unsigned char st_info
[1]; /* Type and binding attributes */
85 unsigned char st_other
[1]; /* No defined meaning, 0 */
86 unsigned char st_shndx
[2]; /* Associated section index */
92 unsigned char namesz
[4]; /* Size of entry's owner string */
93 unsigned char descsz
[4]; /* Size of the note descriptor */
94 unsigned char type
[4]; /* Interpretation of the descriptor */
95 char name
[1]; /* Start of the name+desc data */
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