xref: /netbsd-src/sys/arch/m68k/include/aout_machdep.h (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: aout_machdep.h,v 1.2 1997/04/09 23:34:29 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1993 Christopher G. Demetriou
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef _M68K_EXEC_H_
31 #define _M68K_EXEC_H_
32 
33 #define __LDPGSZ	8192
34 
35 /*
36  * Override the N_PAGSIZ() macro.
37  * XXX Nicer way to do this?
38  */
39 #undef N_PAGSIZ
40 #define	N_PAGSIZ(ex)	(N_GETMID((ex)) == MID_M68K4K ? 4096 : __LDPGSZ)
41 
42 /* Relocation format. */
43 struct relocation_info_m68k {
44 	int r_address;			/* offset in text or data segment */
45 	unsigned int r_symbolnum : 24,	/* ordinal number of add symbol */
46 			 r_pcrel :  1,	/* 1 if value should be pc-relative */
47 			r_length :  2,	/* log base 2 of value's width */
48 			r_extern :  1,	/* 1 if need to add symbol to value */
49 		       r_baserel :  1,	/* linkage table relative */
50 		      r_jmptable :  1,	/* relocate to jump table */
51 		      r_relative :  1,	/* load address relative */
52 			  r_copy :  1;	/* run time copy */
53 };
54 #define relocation_info	relocation_info_m68k
55 
56 #endif  /* _M68K_EXEC_H_ */
57