linux_exec.h revision 1.50 1 /* $NetBSD: linux_exec.h,v 1.50 2014/02/09 16:41:42 chs 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _LINUX_EXEC_H
33 #define _LINUX_EXEC_H
34
35 #if defined(EXEC_AOUT)
36 #include <sys/exec_aout.h>
37 #endif
38
39 #if defined(EXEC_ELF32) || defined(EXEC_ELF64)
40 #include <sys/exec_elf.h>
41 #endif
42
43 #if defined(__i386__)
44 #include <compat/linux/arch/i386/linux_exec.h>
45 #elif defined(__m68k__)
46 #include <compat/linux/arch/m68k/linux_exec.h>
47 #elif defined(__alpha__)
48 #include <compat/linux/arch/alpha/linux_exec.h>
49 #elif defined(__powerpc__)
50 #include <compat/linux/arch/powerpc/linux_exec.h>
51 #elif defined(__mips__)
52 #include <compat/linux/arch/mips/linux_exec.h>
53 #elif defined(__arm__)
54 #include <compat/linux/arch/arm/linux_exec.h>
55 #elif defined(__amd64__)
56 #include <compat/linux/arch/amd64/linux_exec.h>
57 #endif
58
59
60 /* Defines for a.out executables */
61 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
62 #define LINUX_AOUT_AUX_ARGSIZ 2
63
64 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff)
65 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
66
67 #define LINUX_N_TXTOFF(x,m) \
68 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
69
70 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
71
72 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
73
74 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
75
76 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
77
78 #define LINUX_N_DATADDR(x,m) \
79 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
80 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
81
82 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
83
84 #ifndef LINUX_MACHDEP_ELF_COPYARGS
85 #define LINUX_ELF_AUX_ENTRIES 14
86 #endif
87
88 /*
89 * From Linux's include/linux/elf.h
90 */
91 #define LINUX_AT_UID 11 /* real uid */
92 #define LINUX_AT_EUID 12 /* effective uid */
93 #define LINUX_AT_GID 13 /* real gid */
94 #define LINUX_AT_EGID 14 /* effective gid */
95 #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */
96 #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */
97 #define LINUX_AT_CLKTCK 17 /* frequency times() increments */
98 #define LINUX_AT_SECURE 23 /* secure mode boolean */
99 #define LINUX_AT_RANDOM 25 /* address of 16 random bytes */
100 #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */
101 #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */
102
103 #define LINUX_RANDOM_BYTES 16 /* 16 bytes for AT_RANDOM */
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 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 *, vaddr_t);
135 #ifdef EXEC_AOUT
136 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *);
137 int linux_aout_copyargs(struct lwp *, struct exec_package *,
138 struct ps_strings *, char **, void *);
139 #endif
140 void linux_trapsignal(struct lwp *, ksiginfo_t *);
141 int linux_usertrap(struct lwp *, vaddr_t, void *);
142 int linux_lwp_setprivate(struct lwp *, void *);
143
144 void linux_e_proc_exec(struct proc *, struct exec_package *);
145 void linux_e_proc_fork(struct proc *, struct lwp *, int);
146 void linux_e_proc_exit(struct proc *);
147 void linux_e_lwp_fork(struct lwp *, struct lwp *);
148 void linux_e_lwp_exit(struct lwp *);
149
150 #ifdef EXEC_ELF32
151 int linux_elf32_probe(struct lwp *, struct exec_package *, void *,
152 char *, vaddr_t *);
153 int linux_elf32_copyargs(struct lwp *, struct exec_package *,
154 struct ps_strings *, char **, void *);
155 int linux_elf32_signature(struct lwp *, struct exec_package *,
156 Elf32_Ehdr *, char *);
157 #ifdef LINUX_GCC_SIGNATURE
158 int linux_elf32_gcc_signature(struct lwp *l,
159 struct exec_package *, Elf32_Ehdr *);
160 #endif
161 #ifdef LINUX_DEBUGLINK_SIGNATURE
162 int linux_elf32_debuglink_signature(struct lwp *l,
163 struct exec_package *, Elf32_Ehdr *);
164 #endif
165 #ifdef LINUX_ATEXIT_SIGNATURE
166 int linux_elf32_atexit_signature(struct lwp *l,
167 struct exec_package *, Elf32_Ehdr *);
168 #endif
169 #endif
170 #ifdef EXEC_ELF64
171 int linux_elf64_probe(struct lwp *, struct exec_package *, void *,
172 char *, vaddr_t *);
173 int linux_elf64_copyargs(struct lwp *, struct exec_package *,
174 struct ps_strings *, char **, void *);
175 int linux_elf64_signature(struct lwp *, struct exec_package *,
176 Elf64_Ehdr *, char *);
177 #ifdef LINUX_GCC_SIGNATURE
178 int linux_elf64_gcc_signature(struct lwp *l,
179 struct exec_package *, Elf64_Ehdr *);
180 #endif
181 #ifdef LINUX_DEBUGLINK_SIGNATURE
182 int linux_elf64_debuglink_signature(struct lwp *l,
183 struct exec_package *, Elf64_Ehdr *);
184 #endif
185 #ifdef LINUX_ATEXIT_SIGNATURE
186 int linux_elf64_atexit_signature(struct lwp *l,
187 struct exec_package *, Elf64_Ehdr *);
188 #endif
189 #endif
190 __END_DECLS
191 #endif /* !_KERNEL */
192
193 #endif /* !_LINUX_EXEC_H */
194