xref: /netbsd-src/sys/compat/linux/common/linux_exec.h (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: linux_exec.h,v 1.7 1996/09/26 20:52:43 cgd Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 Frank van der Linden
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed for the NetBSD Project
18  *      by Frank van der Linden
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 #ifndef	_LINUX_EXEC_H
36 #define	_LINUX_EXEC_H
37 
38 #define LINUX_M_I386	100
39 /* Sparc? Alpha? */
40 
41 /* XXX linux_machdep.h ? */
42 #ifdef i386
43 #define LINUX_MID_MACHINE LINUX_M_I386
44 #endif
45 
46 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
47 
48 #define LINUX_N_MAGIC(ep)    ((ep)->a_midmag & 0xffff)
49 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
50 
51 #define LINUX_N_TXTOFF(x,m) \
52  ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
53 
54 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
55 
56 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
57 
58 #define LINUX__N_SEGMENT_ROUND(x) (((x) + NBPG - 1) & ~(NBPG - 1))
59 
60 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
61 
62 #define LINUX_N_DATADDR(x,m) \
63     ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
64      : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
65 
66 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
67 
68 int exec_linux_aout_makecmds __P((struct proc *, struct exec_package *));
69 int exec_linux_elf_makecmds __P((struct proc *, struct exec_package *));
70 
71 int linux_elf32_probe __P((struct proc *, struct exec_package *, Elf32_Ehdr *,
72     char *, Elf32_Addr *));
73 
74 #endif /* !_LINUX_EXEC_H */
75