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/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: @(#)exec.h 8.1 (Berkeley) 6/11/93
* from: FreeBSD: src/sys/sys/imgact_aout.h,v 1.18 2002/09/05 07:54:03 bde Exp $
* $FreeBSD$
*/
#ifndef _I386_AOUT_H_
#define _I386_AOUT_H_
#include <sys/types.h>
#include "endian.h"
#define __I386_LDPGSZ 4096
#define I386_N_GETMAGIC(ex) \
( LE32TOH((ex).a_midmag) & 0xffff )
#define I386_N_SETMAGIC(ex,mag,mid,flag) \
( (ex).a_midmag = HTOLE32((((flag) & 0x3f) <<26) | \
(((mid) & 0x03ff) << 16) | \
((mag) & 0xffff)) )
#define I386_N_ALIGN(ex,x) \
(I386_N_GETMAGIC(ex) == ZMAGIC || I386_N_GETMAGIC(ex) == QMAGIC ? \
((x) + __I386_LDPGSZ - 1) & ~(uint32_t)(__I386_LDPGSZ - 1) : (x))
/* Valid magic number check. */
#define I386_N_BADMAG(ex) \
(I386_N_GETMAGIC(ex) != OMAGIC && I386_N_GETMAGIC(ex) != NMAGIC && \
I386_N_GETMAGIC(ex) != ZMAGIC && I386_N_GETMAGIC(ex) != QMAGIC)
/* Address of the bottom of the text segment. */
/*
* This can not be done right. Abuse a_entry in some cases to handle kernels.
*/
#define I386_N_TXTADDR(ex) \
((I386_N_GETMAGIC(ex) == OMAGIC || I386_N_GETMAGIC(ex) == NMAGIC || \
I386_N_GETMAGIC(ex) == ZMAGIC) ? \
(LE32TOH((ex).a_entry) < LE32TOH((ex).a_text) ? 0 : \
LE32TOH((ex).a_entry) & ~__I386_LDPGSZ) : __I386_LDPGSZ)
/* Address of the bottom of the data segment. */
#define I386_N_DATADDR(ex) \
I386_N_ALIGN(ex, I386_N_TXTADDR(ex) + LE32TOH((ex).a_text))
/* Text segment offset. */
#define I386_N_TXTOFF(ex) \
(I386_N_GETMAGIC(ex) == ZMAGIC ? __I386_LDPGSZ : \
(I386_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec)))
/* Data segment offset. */
#define I386_N_DATOFF(ex) \
I386_N_ALIGN(ex, I386_N_TXTOFF(ex) + LE32TOH((ex).a_text))
/* Relocation table offset. */
#define I386_N_RELOFF(ex) \
I386_N_ALIGN(ex, I386_N_DATOFF(ex) + LE32TOH((ex).a_data))
/* Symbol table offset. */
#define I386_N_SYMOFF(ex) \
(I386_N_RELOFF(ex) + LE32TOH((ex).a_trsize) + LE32TOH((ex).a_drsize))
/* String table offset. */
#define I386_N_STROFF(ex) (I386_N_SYMOFF(ex) + LE32TOH((ex).a_syms))
/*
* Header prepended to each a.out file.
* only manipulate the a_midmag field via the
* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h
*/
struct i386_exec {
uint32_t a_midmag; /* flags<<26 | mid<<16 | magic */
uint32_t a_text; /* text segment size */
uint32_t a_data; /* initialized data size */
uint32_t a_bss; /* uninitialized data size */
uint32_t a_syms; /* symbol table size */
uint32_t a_entry; /* entry point */
uint32_t a_trsize; /* text relocation size */
uint32_t a_drsize; /* data relocation size */
};
#define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */
/* a_magic */
#define OMAGIC 0407 /* old impure format */
#define NMAGIC 0410 /* read-only text */
#define ZMAGIC 0413 /* demand load format */
#define QMAGIC 0314 /* "compact" demand load format */
/* a_mid */
#define MID_ZERO 0 /* unknown - implementation dependent */
#define MID_SUN010 1 /* sun 68010/68020 binary */
#define MID_SUN020 2 /* sun 68020-only binary */
#define MID_I386 134 /* i386 BSD binary */
#define MID_SPARC 138 /* sparc */
#define MID_HP200 200 /* hp200 (68010) BSD binary */
#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
/*
* a_flags
*/
#define EX_PIC 0x10 /* contains position independent code */
#define EX_DYNAMIC 0x20 /* contains run-time link-edit info */
#define EX_DPMASK 0x30 /* mask for the above */
#endif /* !_I386_AOUT_H_ */
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