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- /* ELF support for BFD.
- Copyright (C) 1991, 1992 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */
-
- /* The 64-bit stuff is kind of random. Perhaps someone will publish a
- spec someday. */
-
- #ifndef _ELF_EXTERNAL_H
- #define _ELF_EXTERNAL_H
-
- /* ELF Header (32-bit implementations) */
-
- typedef struct {
- unsigned char e_ident[16]; /* ELF "magic number" */
- unsigned short e_type; /* Identifies object file type */
- unsigned short e_machine; /* Specifies required architecture */
- unsigned long e_version; /* Identifies object file version */
- unsigned long e_entry; /* Entry point virtual address */
- unsigned long e_phoff; /* Program header table file offset */
- unsigned long e_shoff; /* Section header table file offset */
- unsigned long e_flags; /* Processor-specific flags */
- unsigned short e_ehsize; /* ELF header size in bytes */
- unsigned short e_phentsize; /* Program header table entry size */
- unsigned short e_phnum; /* Program header table entry count */
- unsigned short e_shentsize; /* Section header table entry size */
- unsigned short e_shnum; /* Section header table entry count */
- unsigned short e_shstrndx; /* Section header string table index */
- } Elf32_External_Ehdr;
-
- 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[8]; /* Entry point virtual address */
- unsigned char e_phoff[8]; /* Program header table file offset */
- unsigned char e_shoff[8]; /* 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 */
- } Elf64_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 */
- } Elf32_External_Phdr;
-
- typedef struct {
- unsigned char p_type[4]; /* Identifies program segment type */
- unsigned char p_flags[4]; /* Segment flags */
- unsigned char p_offset[8]; /* Segment file offset */
- unsigned char p_vaddr[8]; /* Segment virtual address */
- unsigned char p_paddr[8]; /* Segment physical address */
- unsigned char p_filesz[8]; /* Segment size in file */
- unsigned char p_memsz[8]; /* Segment size in memory */
- unsigned char p_align[8]; /* Segment alignment, file & memory */
- } Elf64_External_Phdr;
-
- /* Section header */
-
- typedef struct {
- unsigned long sh_name; /* Section name, index in string tbl */
- unsigned long sh_type; /* Type of section */
- unsigned long sh_flags; /* Miscellaneous section attributes */
- unsigned long sh_addr; /* Section virtual addr at execution */
- unsigned long sh_offset; /* Section file offset */
- unsigned long sh_size; /* Size of section in bytes */
- unsigned long sh_link; /* Index of another section */
- unsigned long sh_info; /* Additional section information */
- unsigned long sh_addralign; /* Section alignment */
- unsigned long sh_entsize; /* Entry size if section holds table */
- } Elf32_External_Shdr;
-
- 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[8]; /* Miscellaneous section attributes */
- unsigned char sh_addr[8]; /* Section virtual addr at execution */
- unsigned char sh_offset[8]; /* Section file offset */
- unsigned char sh_size[8]; /* 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[8]; /* Section alignment */
- unsigned char sh_entsize[8]; /* Entry size if section holds table */
- } Elf64_External_Shdr;
-
- /* Symbol table entry */
-
- typedef struct {
- unsigned long st_name; /* Symbol name, index in string tbl */
- unsigned long st_value; /* Value of the symbol */
- unsigned long st_size; /* Associated symbol size */
- unsigned char st_info; /* Type and binding attributes */
- unsigned char st_other; /* No defined meaning, 0 */
- unsigned short st_shndx; /* Associated section index */
- } Elf32_External_Sym;
-
- typedef struct {
- unsigned char st_name[4]; /* Symbol name, index in string tbl */
- 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 */
- unsigned char st_value[8]; /* Value of the symbol */
- unsigned char st_size[8]; /* Associated symbol size */
- } Elf64_External_Sym;
-
- /* Note segments */
-
- typedef struct {
- unsigned char namesz[4]; /* Size of entry's owner string */
- unsigned char descsz[4]; /* Size of the note descriptor */
- unsigned char type[4]; /* Interpretation of the descriptor */
- char name[1]; /* Start of the name+desc data */
- } Elf_External_Note;
-
- /* Relocation Entries */
- typedef struct {
- unsigned char r_offset[4]; /* Location at which to apply the action */
- unsigned char r_info[4]; /* index and type of relocation */
- } Elf32_External_Rel;
-
- typedef struct {
- unsigned long r_offset; /* Location at which to apply the action */
- unsigned long r_info; /* index and type of relocation */
- unsigned long r_addend; /* Constant addend used to compute value */
- } Elf32_External_Rela;
-
- typedef struct {
- unsigned char r_offset[8]; /* Location at which to apply the action */
- unsigned char r_info[8]; /* index and type of relocation */
- } Elf64_External_Rel;
-
- typedef struct {
- unsigned char r_offset[8]; /* Location at which to apply the action */
- unsigned char r_info[8]; /* index and type of relocation */
- unsigned char r_addend[8]; /* Constant addend used to compute value */
- } Elf64_External_Rela;
-
- /* dynamic section structure */
-
- typedef struct {
- unsigned char d_tag[4]; /* entry tag value */
- union {
- unsigned char d_val[4];
- unsigned char d_ptr[4];
- } d_un;
- } Elf32_External_Dyn;
-
- typedef struct {
- unsigned char d_tag[8]; /* entry tag value */
- union {
- unsigned char d_val[8];
- unsigned char d_ptr[8];
- } d_un;
- } Elf64_External_Dyn;
-
- #endif /* _ELF_EXTERNAL_H */
-