linux_exec.h revision 1.48.18.2 1 /* $NetBSD: linux_exec.h,v 1.48.18.2 2017/12/03 11:36:54 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 *
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 8
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 /* Counted from linux_exec_elf32.c */
86 #define LINUX_ELF_AUX_ENTRIES 14
87 #endif
88
89 /*
90 * From Linux's include/linux/elf.h
91 */
92 #define LINUX_AT_UID 11 /* real uid */
93 #define LINUX_AT_EUID 12 /* effective uid */
94 #define LINUX_AT_GID 13 /* real gid */
95 #define LINUX_AT_EGID 14 /* effective gid */
96 #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */
97 #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */
98 #define LINUX_AT_CLKTCK 17 /* frequency times() increments */
99 #define LINUX_AT_SECURE 23 /* secure mode boolean */
100 #define LINUX_AT_RANDOM 25 /* address of 16 random bytes */
101 #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */
102 #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */
103
104 #define LINUX_RANDOM_BYTES 16 /* 16 bytes for AT_RANDOM */
105
106 /*
107 * Emulation specific sysctls.
108 */
109 #define EMUL_LINUX_KERN 1
110 #define EMUL_LINUX_MAXID 2
111
112 #define EMUL_LINUX_NAMES { \
113 { 0, 0 }, \
114 { "kern", CTLTYPE_NODE }, \
115 }
116
117 #define EMUL_LINUX_KERN_OSTYPE 1
118 #define EMUL_LINUX_KERN_OSRELEASE 2
119 #define EMUL_LINUX_KERN_VERSION 3
120 #define EMUL_LINUX_KERN_MAXID 4
121
122 #define EMUL_LINUX_KERN_NAMES { \
123 { 0, 0 }, \
124 { "ostype", CTLTYPE_STRING }, \
125 { "osrelease", CTLTYPE_STRING }, \
126 { "osversion", CTLTYPE_STRING }, \
127 }
128
129 #ifdef _KERNEL
130 __BEGIN_DECLS
131 extern struct emul emul_linux;
132
133 int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t,
134 struct lwp *);
135 void linux_setregs(struct lwp *, struct exec_package *, vaddr_t);
136 #ifdef EXEC_AOUT
137 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *);
138 int linux_aout_copyargs(struct lwp *, struct exec_package *,
139 struct ps_strings *, char **, void *);
140 #endif
141 void linux_trapsignal(struct lwp *, ksiginfo_t *);
142 int linux_usertrap(struct lwp *, vaddr_t, void *);
143 int linux_lwp_setprivate(struct lwp *, void *);
144
145 void linux_e_proc_exec(struct proc *, struct exec_package *);
146 void linux_e_proc_fork(struct proc *, struct lwp *, int);
147 void linux_e_proc_exit(struct proc *);
148 void linux_e_lwp_fork(struct lwp *, struct lwp *);
149 void linux_e_lwp_exit(struct lwp *);
150
151 #ifdef EXEC_ELF32
152 int linux_elf32_probe(struct lwp *, struct exec_package *, void *,
153 char *, vaddr_t *);
154 int linux_elf32_copyargs(struct lwp *, struct exec_package *,
155 struct ps_strings *, char **, void *);
156 int linux_elf32_signature(struct lwp *, struct exec_package *,
157 Elf32_Ehdr *, char *);
158 #ifdef LINUX_GCC_SIGNATURE
159 int linux_elf32_gcc_signature(struct lwp *l,
160 struct exec_package *, Elf32_Ehdr *);
161 #endif
162 #ifdef LINUX_DEBUGLINK_SIGNATURE
163 int linux_elf32_debuglink_signature(struct lwp *l,
164 struct exec_package *, Elf32_Ehdr *);
165 #endif
166 #ifdef LINUX_ATEXIT_SIGNATURE
167 int linux_elf32_atexit_signature(struct lwp *l,
168 struct exec_package *, Elf32_Ehdr *);
169 #endif
170 #endif
171 #ifdef EXEC_ELF64
172 int linux_elf64_probe(struct lwp *, struct exec_package *, void *,
173 char *, vaddr_t *);
174 int linux_elf64_copyargs(struct lwp *, struct exec_package *,
175 struct ps_strings *, char **, void *);
176 int linux_elf64_signature(struct lwp *, struct exec_package *,
177 Elf64_Ehdr *, char *);
178 #ifdef LINUX_GCC_SIGNATURE
179 int linux_elf64_gcc_signature(struct lwp *l,
180 struct exec_package *, Elf64_Ehdr *);
181 #endif
182 #ifdef LINUX_DEBUGLINK_SIGNATURE
183 int linux_elf64_debuglink_signature(struct lwp *l,
184 struct exec_package *, Elf64_Ehdr *);
185 #endif
186 #ifdef LINUX_ATEXIT_SIGNATURE
187 int linux_elf64_atexit_signature(struct lwp *l,
188 struct exec_package *, Elf64_Ehdr *);
189 #endif
190 #endif
191 __END_DECLS
192 #endif /* !_KERNEL */
193
194 #endif /* !_LINUX_EXEC_H */
195