NetBSD/sys/arch/mips/include/aout_machdep.h

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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) 6/10/93
* $Id: aout_machdep.h,v 1.3 1994/05/27 08:40:35 glass Exp $
*/
#include <machine/endian.h>
/* Size of a page in an object file. */
#define __LDPGSZ 4096
/* Valid magic number check. */
#define N_BADMAG(ex) \
((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \
(ex).a_magic != ZMAGIC)
/* Address of the bottom of the text segment. */
#define N_TXTADDR(X) __LDPGSZ
/* Address of the bottom of the data segment. */
#define N_DATADDR(ex) \
(N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \
: __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
/* Text segment offset. */
#define N_TXTOFF(ex) \
((ex).a_magic == ZMAGIC ? 0 : sizeof(struct exec))
/* Data segment offset. */
#define N_DATOFF(ex) \
(N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \
__LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
/* Symbol table offset. */
#define N_SYMOFF(ex) \
(N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \
(ex).a_drsize)
/* String table offset. */
#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms)
/* Description of the object file header (a.out format). */
struct exec {
#if BYTE_ORDER == BIG_ENDIAN
u_short a_mid; /* machine ID */
u_short a_magic; /* magic number */
#else
u_short a_magic; /* magic number */
u_short a_mid; /* machine ID */
#endif
u_long a_text; /* text segment size */
u_long a_data; /* initialized data size */
u_long a_bss; /* uninitialized data size */
u_long a_syms; /* symbol table size */
u_long a_entry; /* entry point */
u_long a_trsize; /* text relocation size */
u_long a_drsize; /* data relocation size */
};
#define a_machtype a_mid /* SUN compatibility */
#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_SUN_SPARC 3 /* sparc binary */
#define MID_386 100 /* Intel 80386 binary */
#define MID_29K 101 /* AMD 29000 binary */
#define MID_MIPSI 151 /* MIPS R2000/R3000 binary */
#define MID_MIPSII 152 /* MIPS R4000 binary */
#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 */
#define OMAGIC 0407 /* old impure format */
#define NMAGIC 0410 /* read-only text */
#define ZMAGIC 0413 /* demand load format */