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authorJohn Gilmore <gnu@cygnus>1991-10-01 19:26:34 +0000
committerJohn Gilmore <gnu@cygnus>1991-10-01 19:26:34 +0000
commit2d996e5dc9674d74130ed76c8c10772c0ee6239b (patch)
tree1c38091331e10a1479a0427548ae2e39db760f6e /include/elf-external.h
parent927edea6e7b545de8d69ecf5bdaeec2938ae6459 (diff)
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diff --git a/include/elf-external.h b/include/elf-external.h
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+/* ELF support for BFD.
+ Copyright (C) 1991 Free Software Foundation, Inc.
+
+ Written by Fred Fish @ Cygnus Support, from information published
+ in "UNIX System V Release 4, Programmers Guide: ANSI C and
+ Programming Support Tools".
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+/* This file is part of ELF support for BFD, and contains the portions
+ that describe how ELF is represented externally by the BFD library.
+ I.E. it describes the in-file representation of ELF. It requires
+ the elf-common.h file which contains the portions that are common to
+ both the internal and external representations. */
+
+/* ELF Header (32-bit implementations) */
+
+typedef struct {
+ unsigned char e_ident[16]; /* ELF "magic number" */
+ unsigned char e_type[2]; /* Identifies object file type */
+ unsigned char e_machine[2]; /* Specifies required architecture */
+ unsigned char e_version[4]; /* Identifies object file version */
+ unsigned char e_entry[4]; /* Entry point virtual address */
+ unsigned char e_phoff[4]; /* Program header table file offset */
+ unsigned char e_shoff[4]; /* Section header table file offset */
+ unsigned char e_flags[4]; /* Processor-specific flags */
+ unsigned char e_ehsize[2]; /* ELF header size in bytes */
+ unsigned char e_phentsize[2]; /* Program header table entry size */
+ unsigned char e_phnum[2]; /* Program header table entry count */
+ unsigned char e_shentsize[2]; /* Section header table entry size */
+ unsigned char e_shnum[2]; /* Section header table entry count */
+ unsigned char e_shstrndx[2]; /* Section header string table index */
+} Elf_External_Ehdr;
+
+/* Program header */
+
+typedef struct {
+ unsigned char p_type[4]; /* Identifies program segment type */
+ unsigned char p_offset[4]; /* Segment file offset */
+ unsigned char p_vaddr[4]; /* Segment virtual address */
+ unsigned char p_paddr[4]; /* Segment physical address */
+ unsigned char p_filesz[4]; /* Segment size in file */
+ unsigned char p_memsz[4]; /* Segment size in memory */
+ unsigned char p_flags[4]; /* Segment flags */
+ unsigned char p_align[4]; /* Segment alignment, file & memory */
+} Elf_External_Phdr;
+
+/* Section header */
+
+typedef struct {
+ unsigned char sh_name[4]; /* Section name, index in string tbl */
+ unsigned char sh_type[4]; /* Type of section */
+ unsigned char sh_flags[4]; /* Miscellaneous section attributes */
+ unsigned char sh_addr[4]; /* Section virtual addr at execution */
+ unsigned char sh_offset[4]; /* Section file offset */
+ unsigned char sh_size[4]; /* Size of section in bytes */
+ unsigned char sh_link[4]; /* Index of another section */
+ unsigned char sh_info[4]; /* Additional section information */
+ unsigned char sh_addralign[4]; /* Section alignment */
+ unsigned char sh_entsize[4]; /* Entry size if section holds table */
+} Elf_External_Shdr;
+
+/* Symbol table entry */
+
+typedef struct {
+ unsigned char st_name[4]; /* Symbol name, index in string tbl */
+ unsigned char st_value[4]; /* Value of the symbol */
+ unsigned char st_size[4]; /* Associated symbol size */
+ unsigned char st_info[1]; /* Type and binding attributes */
+ unsigned char st_other[1]; /* No defined meaning, 0 */
+ unsigned char st_shndx[2]; /* Associated section index */
+} Elf_External_Sym;