1 /* $NetBSD: linux_exec.h,v 1.33 2005/02/26 23:10:19 perry 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 #elif defined(__powerpc__)
49 #include <compat/linux/arch/powerpc/linux_exec.h>
50 #elif defined(__mips__)
51 #include <compat/linux/arch/mips/linux_exec.h>
52 #elif defined(__arm__)
53 #include <compat/linux/arch/arm/linux_exec.h>
54 #endif
55
56
57 /* Defines for a.out executables */
58 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
59 #define LINUX_AOUT_AUX_ARGSIZ 2
60
61 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff)
62 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
63
64 #define LINUX_N_TXTOFF(x,m) \
65 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
66
67 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
68
69 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
70
71 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
72
73 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
74
75 #define LINUX_N_DATADDR(x,m) \
76 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
77 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
78
79 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
80
81 #ifndef LINUX_MACHDEP_ELF_COPYARGS
82 #define LINUX_ELF_AUX_ENTRIES 13 /* we push 13 parameters */
83 #endif
84
85 /*
86 * From Linux's include/linux/elf.h
87 */
88 #define LINUX_AT_UID 11 /* real uid */
89 #define LINUX_AT_EUID 12 /* effective uid */
90 #define LINUX_AT_GID 13 /* real gid */
91 #define LINUX_AT_EGID 14 /* effective gid */
92 #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */
93 #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */
94 #define LINUX_AT_CLKTCK 17 /* frequency times() increments */
95
96 /*
97 * Emulation specific sysctls.
98 */
99 #define EMUL_LINUX_KERN 1
100 #define EMUL_LINUX_MAXID 2
101
102 #define EMUL_LINUX_NAMES { \
103 { 0, 0 }, \
104 { "kern", CTLTYPE_NODE }, \
105 }
106
107 #define EMUL_LINUX_KERN_OSTYPE 1
108 #define EMUL_LINUX_KERN_OSRELEASE 2
109 #define EMUL_LINUX_KERN_VERSION 3
110 #define EMUL_LINUX_KERN_MAXID 4
111
112 #define EMUL_LINUX_KERN_NAMES { \
113 { 0, 0 }, \
114 { "ostype", CTLTYPE_STRING }, \
115 { "osrelease", CTLTYPE_STRING }, \
116 { "osversion", CTLTYPE_STRING }, \
117 }
118
119 #ifdef _KERNEL
120 __BEGIN_DECLS
121 extern const struct emul emul_linux;
122
123 int linux_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
124 struct proc *));
125 void linux_setregs __P((struct lwp *, struct exec_package *, u_long));
126 int exec_linux_aout_makecmds __P((struct proc *, struct exec_package *));
127 int linux_aout_copyargs __P((struct proc *, struct exec_package *,
128 struct ps_strings *, char **, void *));
129 void linux_trapsignal __P((struct lwp *, const ksiginfo_t *));
130
131 #ifdef EXEC_ELF32
132 int linux_elf32_probe __P((struct proc *, struct exec_package *, void *,
133 char *, vaddr_t *));
134 int linux_elf32_copyargs __P((struct proc *, struct exec_package *,
135 struct ps_strings *, char **, void *));
136 #endif
137 #ifdef EXEC_ELF64
138 int linux_elf64_probe __P((struct proc *, struct exec_package *, void *,
139 char *, vaddr_t *));
140 int linux_elf64_copyargs __P((struct proc *, struct exec_package *,
141 struct ps_strings *, char **, void *));
142 #endif
143 __END_DECLS
144 #endif /* !_KERNEL */
145
146 #endif /* !_LINUX_EXEC_H */
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