/*	 $NetBSD: svr4_exec.h,v 1.4 1994/10/24 17:37:37 deraadt Exp $	*/

/*
 * Copyright (c) 1994 Christos Zoulas
 * 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.
 */

#ifndef	_SVR4_EXEC_H_
#define	_SVR4_EXEC_H_

typedef unsigned long	Elf32_Addr;
typedef unsigned long	Elf32_Off;
typedef long		Elf32_Sword;
typedef long		Elf32_Word;
typedef unsigned short	Elf32_Half;


#define ELF_IDSIZE	16

enum Elf32_e_type {
    Elf32_et_none = 0,
    Elf32_et_rel,
    Elf32_et_exec,
    Elf32_et_dyn,
    Elf32_et_core,
    Elf32_et_num
};

enum Elf32_e_machine {
    Elf32_em_none = 0,
    Elf32_em_m32,
    Elf32_em_sparc,
    Elf32_em_386,
    Elf32_em_68k,
    Elf32_em_88k,
    Elf32_em_486,
    Elf32_em_860,
    Elf32_em_num
};

typedef struct {
    unsigned char e_ident[ELF_IDSIZE];	/* Id bytes */
    Elf32_Half	e_type;			/* file type */
    Elf32_Half	e_machine;		/* machine type */
    Elf32_Word	e_version;		/* version number */
    Elf32_Addr	e_entry;		/* entry point */
    Elf32_Off	e_phoff;		/* Program hdr offset */
    Elf32_Off	e_shoff;		/* Section hdr offset */
    Elf32_Word	e_flags;		/* Processor flags */
    Elf32_Half	e_ehsize;		/* sizeof ehdr */
    Elf32_Half	e_phentsize;		/* Program header entry size */
    Elf32_Half	e_phnum;		/* Number of program headers */
    Elf32_Half	e_shentsize;		/* Section header entry size */
    Elf32_Half	e_shnum;		/* Number of section headers */
    Elf32_Half	e_shstrndx;		/* Section header string table index */
} Elf32_Ehdr;


enum Elf32_p_pf {
    Elf32_pf_r = 4,
    Elf32_pf_w = 2,
    Elf32_pf_x = 1
};

enum Elf32_p_pt {
    Elf32_pt_null	= 0,		/* Program header table entry unused */
    Elf32_pt_load	= 1,		/* Loadable program segment */
    Elf32_pt_dynamic	= 2,		/* Dynamic linking information */
    Elf32_pt_interp	= 3,		/* Program interpreter */
    Elf32_pt_note	= 4,		/* Auxiliary information */
    Elf32_pt_shlib	= 5,		/* Reserved, unspecified semantics */
    Elf32_pt_phdr	= 6,		/* Entry for header table itself */
    Elf32_pt_loproc	= 0x70000000,	/* Processor-specific */
    Elf32_pt_hiproc	= 0x7FFFFFFF	/* Processor-specific */

};

typedef struct {
    Elf32_Word	p_type;			/* entry type */
    Elf32_Off	p_offset;		/* offset */
    Elf32_Addr	p_vaddr;		/* virtual address */
    Elf32_Addr	p_paddr;		/* physical address */
    Elf32_Word	p_filesz;		/* file size */
    Elf32_Word	p_memsz;		/* memory size */
    Elf32_Word	p_flags;		/* flags */
    Elf32_Word	p_align;		/* memory & file alignment */
} Elf32_Phdr;

#define Elf32_e_ident "\177ELF"
#define Elf32_e_siz (sizeof(Elf32_e_ident) - 1)

typedef struct {
    int au_id;
    unsigned long au_v;
} AuxInfo;

enum AuxID {
    AUX_null 		= 0,
    AUX_ignore		= 1,
    AUX_execfd		= 2,
    AUX_phdr		= 3,		/* &phdr[0] */
    AUX_phent		= 4,		/* sizeof(phdr[0]) */
    AUX_phnum		= 5,		/* # phdr entries */
    AUX_pagesz		= 6,		/* PAGESIZE */
    AUX_base		= 7,		/* ld.so base addr */
    AUX_flags		= 8,		/* processor flags */
    AUX_entry		= 9,		/* a.out entry */
    AUX_sun_uid		= 2000,		/* euid */
    AUX_sun_ruid	= 2001,		/* ruid */
    AUX_sun_gid		= 2002,		/* egid */
    AUX_sun_rgid	= 2003		/* rgid */
};

#define	ELF_HDR_SIZE	(sizeof(Elf32_Ehdr))
int	exec_svr4_elf_makecmds	__P((struct proc *, struct exec_package *));

#endif /* !_SVR4_EXEC_H_ */