linux_exec.h revision 1.42 1 /* $NetBSD: linux_exec.h,v 1.42 2007/12/04 18:40:15 dsl 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(EXEC_ELF32) || defined(EXEC_ELF64)
43 #include <sys/exec_elf.h>
44 #endif
45
46 #if defined(__i386__)
47 #include <compat/linux/arch/i386/linux_exec.h>
48 #elif defined(__m68k__)
49 #include <compat/linux/arch/m68k/linux_exec.h>
50 #elif defined(__alpha__)
51 #include <compat/linux/arch/alpha/linux_exec.h>
52 #elif defined(__powerpc__)
53 #include <compat/linux/arch/powerpc/linux_exec.h>
54 #elif defined(__mips__)
55 #include <compat/linux/arch/mips/linux_exec.h>
56 #elif defined(__arm__)
57 #include <compat/linux/arch/arm/linux_exec.h>
58 #elif defined(__amd64__)
59 #include <compat/linux/arch/amd64/linux_exec.h>
60 #endif
61
62
63 /* Defines for a.out executables */
64 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
65 #define LINUX_AOUT_AUX_ARGSIZ 2
66
67 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff)
68 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
69
70 #define LINUX_N_TXTOFF(x,m) \
71 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
72
73 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
74
75 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
76
77 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
78
79 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
80
81 #define LINUX_N_DATADDR(x,m) \
82 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
83 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
84
85 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
86
87 #ifndef LINUX_MACHDEP_ELF_COPYARGS
88 #define LINUX_ELF_AUX_ENTRIES 13 /* we push 13 parameters */
89 #endif
90
91 /*
92 * From Linux's include/linux/elf.h
93 */
94 #define LINUX_AT_UID 11 /* real uid */
95 #define LINUX_AT_EUID 12 /* effective uid */
96 #define LINUX_AT_GID 13 /* real gid */
97 #define LINUX_AT_EGID 14 /* effective gid */
98 #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */
99 #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */
100 #define LINUX_AT_CLKTCK 17 /* frequency times() increments */
101 #define LINUX_AT_SECURE 23 /* secure mode boolean */
102 #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */
103 #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */
104
105 /*
106 * Emulation specific sysctls.
107 */
108 #define EMUL_LINUX_KERN 1
109 #define EMUL_LINUX_MAXID 2
110
111 #define EMUL_LINUX_NAMES { \
112 { 0, 0 }, \
113 { "kern", CTLTYPE_NODE }, \
114 }
115
116 #define EMUL_LINUX_KERN_OSTYPE 1
117 #define EMUL_LINUX_KERN_OSRELEASE 2
118 #define EMUL_LINUX_KERN_VERSION 3
119 #define EMUL_LINUX_KERN_MAXID 4
120
121 #define EMUL_LINUX_KERN_NAMES { \
122 { 0, 0 }, \
123 { "ostype", CTLTYPE_STRING }, \
124 { "osrelease", CTLTYPE_STRING }, \
125 { "osversion", CTLTYPE_STRING }, \
126 }
127
128 #ifdef _KERNEL
129 __BEGIN_DECLS
130 extern const struct emul emul_linux;
131
132 int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t,
133 struct lwp *);
134 void linux_setregs(struct lwp *, struct exec_package *, u_long);
135 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *);
136 int linux_aout_copyargs(struct lwp *, struct exec_package *,
137 struct ps_strings *, char **, void *);
138 void linux_trapsignal(struct lwp *, ksiginfo_t *);
139 int linux_usertrap(struct lwp *, vaddr_t, void *);
140 #ifdef LINUX_NPTL
141 void linux_nptl_proc_fork(struct proc *, struct proc *, void (luserret)(void));
142 void linux_nptl_proc_exit(struct proc *);
143 void linux_nptl_proc_init(struct proc *, struct proc *);
144 #endif
145
146 #ifdef EXEC_ELF32
147 int linux_elf32_probe(struct lwp *, struct exec_package *, void *,
148 char *, vaddr_t *);
149 int linux_elf32_copyargs(struct lwp *, struct exec_package *,
150 struct ps_strings *, char **, void *);
151 int linux_elf32_signature(struct lwp *, struct exec_package *,
152 Elf32_Ehdr *, char *);
153 #ifdef LINUX_GCC_SIGNATURE
154 int linux_elf32_gcc_signature(struct lwp *l,
155 struct exec_package *, Elf32_Ehdr *);
156 #endif
157 #ifdef LINUX_DEBUGLINK_SIGNATURE
158 int linux_elf32_debuglink_signature(struct lwp *l,
159 struct exec_package *, Elf32_Ehdr *);
160 #endif
161 #ifdef LINUX_ATEXIT_SIGNATURE
162 int linux_elf32_atexit_signature(struct lwp *l,
163 struct exec_package *, Elf32_Ehdr *);
164 #endif
165 #endif
166 #ifdef EXEC_ELF64
167 int linux_elf64_probe(struct lwp *, struct exec_package *, void *,
168 char *, vaddr_t *);
169 int linux_elf64_copyargs(struct lwp *, struct exec_package *,
170 struct ps_strings *, char **, void *);
171 int linux_elf64_signature(struct lwp *, struct exec_package *,
172 Elf64_Ehdr *, char *);
173 #ifdef LINUX_GCC_SIGNATURE
174 int linux_elf64_gcc_signature(struct lwp *l,
175 struct exec_package *, Elf64_Ehdr *);
176 #endif
177 #ifdef LINUX_DEBUGLINK_SIGNATURE
178 int linux_elf64_debuglink_signature(struct lwp *l,
179 struct exec_package *, Elf64_Ehdr *);
180 #endif
181 #ifdef LINUX_ATEXIT_SIGNATURE
182 int linux_elf64_atexit_signature(struct lwp *l,
183 struct exec_package *, Elf64_Ehdr *);
184 #endif
185 #endif
186 __END_DECLS
187 #endif /* !_KERNEL */
188
189 #endif /* !_LINUX_EXEC_H */
190