Home | History | Annotate | Line # | Download | only in include
a.out.h revision 1.1.1.1 
      1 /*-
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	@(#)a.out.h	5.6 (Berkeley) 4/30/91
     34  */
     35 
     36 #ifndef	_AOUT_H_
     37 #define	_AOUT_H_
     38 
     39 #include <sys/exec.h>
     40 
     41 #if defined(hp300) || defined(i386)
     42 #define	__LDPGSZ	4096
     43 #endif
     44 #if defined(tahoe) || defined(vax)
     45 #define	__LDPGSZ	1024
     46 #endif
     47 
     48 /* Valid magic number check. */
     49 #define	N_BADMAG(ex) \
     50 	((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \
     51 	    (ex).a_magic != ZMAGIC)
     52 
     53 /* Address of the bottom of the text segment. */
     54 #define N_TXTADDR(X)	0
     55 
     56 /* Address of the bottom of the data segment. */
     57 #define N_DATADDR(ex) \
     58 	(N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \
     59 	: __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
     60 
     61 /* Text segment offset. */
     62 #define	N_TXTOFF(ex) \
     63 	((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec))
     64 
     65 /* Data segment offset. */
     66 #define	N_DATOFF(ex) \
     67 	(N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text \
     68 	: __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
     69 
     70 /* Symbol table offset. */
     71 #define N_SYMOFF(ex) \
     72 	(N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \
     73 	    (ex).a_drsize)
     74 
     75 /* String table offset. */
     76 #define	N_STROFF(ex) 	(N_SYMOFF(ex) + (ex).a_syms)
     77 
     78 /* Relocation format. */
     79 struct relocation_info {
     80 	int r_address;			/* offset in text or data segment */
     81 	unsigned int r_symbolnum : 24,	/* ordinal number of add symbol */
     82 			 r_pcrel :  1,	/* 1 if value should be pc-relative */
     83 			r_length :  2,	/* log base 2 of value's width */
     84 			r_extern :  1,	/* 1 if need to add symbol to value */
     85 				 :  4;	/* reserved */
     86 };
     87 
     88 #define _AOUT_INCLUDE_
     89 #include <nlist.h>
     90 
     91 #endif /* !_AOUT_H_ */
     92