xref: /netbsd-src/sys/compat/linux/common/linux_exec.h (revision 5aefcfdc06931dd97e76246d2fe0302f7b3fe094)
1 /*	$NetBSD: linux_exec.h,v 1.13 2000/11/21 00:37:54 jdolecek Exp $	*/
2 
3 /*-
4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden and Eric Haszlakiewicz.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _LINUX_EXEC_H
40 #define _LINUX_EXEC_H
41 
42 #if defined(__i386__)
43 #include <compat/linux/arch/i386/linux_exec.h>
44 #elif defined(__m68k__)
45 #include <compat/linux/arch/m68k/linux_exec.h>
46 #elif defined(__alpha__)
47 #include <compat/linux/arch/alpha/linux_exec.h>
48 #else
49 #error Undefined linux_exec.h machine type.
50 #endif
51 
52 
53 /* Defines for a.out executables */
54 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
55 #define	LINUX_AOUT_AUX_ARGSIZ	2
56 
57 #define LINUX_N_MAGIC(ep)    ((ep)->a_midmag & 0xffff)
58 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
59 
60 #define LINUX_N_TXTOFF(x,m) \
61  ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
62 
63 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
64 
65 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
66 
67 #define LINUX__N_SEGMENT_ROUND(x) (((x) + NBPG - 1) & ~(NBPG - 1))
68 
69 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
70 
71 #define LINUX_N_DATADDR(x,m) \
72     ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
73      : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
74 
75 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
76 
77 #ifdef _KERNEL
78 __BEGIN_DECLS
79 extern const struct emul emul_linux;
80 
81 void linux_setregs __P((struct proc *, struct exec_package *, u_long));
82 int exec_linux_aout_makecmds __P((struct proc *, struct exec_package *));
83 void *linux_aout_copyargs __P((struct exec_package *,
84     struct ps_strings *, void *, void *));
85 
86 #ifdef EXEC_ELF32
87 int linux_elf32_probe __P((struct proc *, struct exec_package *, void *,
88     char *, vaddr_t *));
89 #endif
90 #ifdef EXEC_ELF64
91 int linux_elf64_probe __P((struct proc *, struct exec_package *, void *,
92     char *, vaddr_t *));
93 #endif
94 __END_DECLS
95 #endif /* !_KERNEL */
96 
97 #endif /* !_LINUX_EXEC_H */
98