libc/include/sys/exec_elf.h - platform/bionic - Git at Google

 /*	$OpenBSD: exec_elf.h,v 1.41 2006/01/06 18:53:05 millert Exp $	*/
 /*
  * Copyright (c) 1995, 1996 Erik Theisen.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 /*
  * This is the ELF ABI header file
  * formerly known as "elf_abi.h".
  */

 #ifndef _SYS_EXEC_ELF_H_
 #define _SYS_EXEC_ELF_H_

 #include <machine/_types.h>
 #include <machine/exec.h>
 #include <linux/elf.h>

 /* e_ident[] Operating System/ABI */
 #define ELFOSABI_SYSV		0	/* UNIX System V ABI */
 #define ELFOSABI_HPUX		1	/* HP-UX operating system */
 #define ELFOSABI_NETBSD		2	/* NetBSD */
 #define ELFOSABI_LINUX		3	/* GNU/Linux */
 #define ELFOSABI_HURD		4	/* GNU/Hurd */
 #define ELFOSABI_86OPEN		5	/* 86Open common IA32 ABI */
 #define ELFOSABI_SOLARIS	6	/* Solaris */
 #define ELFOSABI_MONTEREY	7	/* Monterey */
 #define ELFOSABI_IRIX		8	/* IRIX */
 #define ELFOSABI_FREEBSD	9	/* FreeBSD */
 #define ELFOSABI_TRU64		10	/* TRU64 UNIX */
 #define ELFOSABI_MODESTO	11	/* Novell Modesto */
 #define ELFOSABI_OPENBSD	12	/* OpenBSD */
 #define ELFOSABI_ARM		97	/* ARM */
 #define ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */

 /* e_ident */
 #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
                       (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
                       (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
                       (ehdr).e_ident[EI_MAG3] == ELFMAG3)

 /* e_machine */
 #define EM_NONE		0		/* No Machine */
 #define EM_M32		1		/* AT&T WE 32100 */
 #define EM_SPARC	2		/* SPARC */
 #define EM_386		3		/* Intel 80386 */
 #define EM_68K		4		/* Motorola 68000 */
 #define EM_88K		5		/* Motorola 88000 */
 #define EM_486		6		/* Intel 80486 - unused? */
 #define EM_860		7		/* Intel 80860 */
 #define EM_MIPS		8		/* MIPS R3000 Big-Endian only */
 /*
  * Don't know if EM_MIPS_RS4_BE,
  * EM_SPARC64, EM_PARISC,
  * or EM_PPC are ABI compliant
  */
 #define EM_MIPS_RS4_BE	10		/* MIPS R4000 Big-Endian */
 #define EM_SPARC64	11		/* SPARC v9 64-bit unoffical */
 #define EM_PARISC	15		/* HPPA */
 #define EM_SPARC32PLUS	18		/* Enhanced instruction set SPARC */
 #define EM_PPC		20		/* PowerPC */
 #define EM_ARM		40		/* Advanced RISC Machines ARM */
 #define EM_ALPHA	41		/* DEC ALPHA */
 #define EM_SPARCV9	43		/* SPARC version 9 */
 #define EM_ALPHA_EXP	0x9026		/* DEC ALPHA */
 #define EM_AMD64	62		/* AMD64 architecture */
 #define EM_VAX		75		/* DEC VAX */
 #define EM_NUM		15		/* number of machine types */


 /* Section names */
 #define ELF_BSS         ".bss"		/* uninitialized data */
 #define ELF_DATA        ".data"		/* initialized data */
 #define ELF_DEBUG       ".debug"	/* debug */
 #define ELF_DYNAMIC     ".dynamic"	/* dynamic linking information */
 #define ELF_DYNSTR      ".dynstr"	/* dynamic string table */
 #define ELF_DYNSYM      ".dynsym"	/* dynamic symbol table */
 #define ELF_FINI        ".fini"		/* termination code */
 #define ELF_GOT         ".got"		/* global offset table */
 #define ELF_HASH        ".hash"		/* symbol hash table */
 #define ELF_INIT        ".init"		/* initialization code */
 #define ELF_REL_DATA    ".rel.data"	/* relocation data */
 #define ELF_REL_FINI    ".rel.fini"	/* relocation termination code */
 #define ELF_REL_INIT    ".rel.init"	/* relocation initialization code */
 #define ELF_REL_DYN     ".rel.dyn"	/* relocaltion dynamic link info */
 #define ELF_REL_RODATA  ".rel.rodata"	/* relocation read-only data */
 #define ELF_REL_TEXT    ".rel.text"	/* relocation code */
 #define ELF_RODATA      ".rodata"	/* read-only data */
 #define ELF_SHSTRTAB    ".shstrtab"	/* section header string table */
 #define ELF_STRTAB      ".strtab"	/* string table */
 #define ELF_SYMTAB      ".symtab"	/* symbol table */
 #define ELF_TEXT        ".text"		/* code */

 /* Symbol Binding - ELF32_ST_BIND - st_info */
 #define STB_LOCAL	0		/* Local symbol */
 #define STB_GLOBAL	1		/* Global symbol */
 #define STB_WEAK	2		/* like global - lower precedence */
 #define STB_NUM		3		/* number of symbol bindings */
 #define STB_LOPROC	13		/* reserved range for processor */
 #define STB_HIPROC	15		/*  specific symbol bindings */

 /* Symbol type - ELF32_ST_TYPE - st_info */
 #define STT_NOTYPE	0		/* not specified */
 #define STT_OBJECT	1		/* data object */
 #define STT_FUNC	2		/* function */
 #define STT_SECTION	3		/* section */
 #define STT_FILE	4		/* file */
 #define STT_NUM		5		/* number of symbol types */
 #define STT_LOPROC	13		/* reserved range for processor */
 #define STT_HIPROC	15		/*  specific symbol types */

 #define PT_GNU_RELRO    0x6474e552      /* Read-only post relocation */

 #endif /* _SYS_EXEC_ELF_H_ */
	/* $OpenBSD: exec_elf.h,v 1.41 2006/01/06 18:53:05 millert Exp $ */
	/*
	* Copyright (c) 1995, 1996 Erik Theisen. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	/*
	* This is the ELF ABI header file
	* formerly known as "elf_abi.h".
	*/

	#ifndef _SYS_EXEC_ELF_H_
	#define _SYS_EXEC_ELF_H_

	#include <machine/_types.h>
	#include <machine/exec.h>
	#include <linux/elf.h>

	/* e_ident[] Operating System/ABI */
	#define ELFOSABI_SYSV 0 /* UNIX System V ABI */
	#define ELFOSABI_HPUX 1 /* HP-UX operating system */
	#define ELFOSABI_NETBSD 2 /* NetBSD */
	#define ELFOSABI_LINUX 3 /* GNU/Linux */
	#define ELFOSABI_HURD 4 /* GNU/Hurd */
	#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */
	#define ELFOSABI_SOLARIS 6 /* Solaris */
	#define ELFOSABI_MONTEREY 7 /* Monterey */
	#define ELFOSABI_IRIX 8 /* IRIX */
	#define ELFOSABI_FREEBSD 9 /* FreeBSD */
	#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
	#define ELFOSABI_MODESTO 11 /* Novell Modesto */
	#define ELFOSABI_OPENBSD 12 /* OpenBSD */
	#define ELFOSABI_ARM 97 /* ARM */
	#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */

	/* e_ident */
	#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
	(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
	(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
	(ehdr).e_ident[EI_MAG3] == ELFMAG3)

	/* e_machine */
	#define EM_NONE 0 /* No Machine */
	#define EM_M32 1 /* AT&T WE 32100 */
	#define EM_SPARC 2 /* SPARC */
	#define EM_386 3 /* Intel 80386 */
	#define EM_68K 4 /* Motorola 68000 */
	#define EM_88K 5 /* Motorola 88000 */
	#define EM_486 6 /* Intel 80486 - unused? */
	#define EM_860 7 /* Intel 80860 */
	#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */
	/*
	* Don't know if EM_MIPS_RS4_BE,
	* EM_SPARC64, EM_PARISC,
	* or EM_PPC are ABI compliant
	*/
	#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
	#define EM_SPARC64 11 /* SPARC v9 64-bit unoffical */
	#define EM_PARISC 15 /* HPPA */
	#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
	#define EM_PPC 20 /* PowerPC */
	#define EM_ARM 40 /* Advanced RISC Machines ARM */
	#define EM_ALPHA 41 /* DEC ALPHA */
	#define EM_SPARCV9 43 /* SPARC version 9 */
	#define EM_ALPHA_EXP 0x9026 /* DEC ALPHA */
	#define EM_AMD64 62 /* AMD64 architecture */
	#define EM_VAX 75 /* DEC VAX */
	#define EM_NUM 15 /* number of machine types */


	/* Section names */
	#define ELF_BSS ".bss" /* uninitialized data */
	#define ELF_DATA ".data" /* initialized data */
	#define ELF_DEBUG ".debug" /* debug */
	#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
	#define ELF_DYNSTR ".dynstr" /* dynamic string table */
	#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
	#define ELF_FINI ".fini" /* termination code */
	#define ELF_GOT ".got" /* global offset table */
	#define ELF_HASH ".hash" /* symbol hash table */
	#define ELF_INIT ".init" /* initialization code */
	#define ELF_REL_DATA ".rel.data" /* relocation data */
	#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
	#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
	#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
	#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
	#define ELF_REL_TEXT ".rel.text" /* relocation code */
	#define ELF_RODATA ".rodata" /* read-only data */
	#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
	#define ELF_STRTAB ".strtab" /* string table */
	#define ELF_SYMTAB ".symtab" /* symbol table */
	#define ELF_TEXT ".text" /* code */

	/* Symbol Binding - ELF32_ST_BIND - st_info */
	#define STB_LOCAL 0 /* Local symbol */
	#define STB_GLOBAL 1 /* Global symbol */
	#define STB_WEAK 2 /* like global - lower precedence */
	#define STB_NUM 3 /* number of symbol bindings */
	#define STB_LOPROC 13 /* reserved range for processor */
	#define STB_HIPROC 15 /* specific symbol bindings */

	/* Symbol type - ELF32_ST_TYPE - st_info */
	#define STT_NOTYPE 0 /* not specified */
	#define STT_OBJECT 1 /* data object */
	#define STT_FUNC 2 /* function */
	#define STT_SECTION 3 /* section */
	#define STT_FILE 4 /* file */
	#define STT_NUM 5 /* number of symbol types */
	#define STT_LOPROC 13 /* reserved range for processor */
	#define STT_HIPROC 15 /* specific symbol types */

	#define PT_GNU_RELRO 0x6474e552 /* Read-only post relocation */

	#endif /* _SYS_EXEC_ELF_H_ */