linux_exec.h revision 1.54 1 /* $NetBSD: linux_exec.h,v 1.54 2021/09/23 06:56:27 ryo 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(__aarch64__)
54 #include <compat/linux/arch/aarch64/linux_exec.h>
55 #elif defined(__arm__)
56 #include <compat/linux/arch/arm/linux_exec.h>
57 #elif defined(__amd64__)
58 #include <compat/linux/arch/amd64/linux_exec.h>
59 #endif
60
61
62 /* Defines for a.out executables */
63 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
64 #define LINUX_AOUT_AUX_ARGSIZ 8
65
66 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff)
67 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
68
69 #define LINUX_N_TXTOFF(x,m) \
70 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
71
72 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
73
74 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
75
76 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
77
78 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
79
80 #define LINUX_N_DATADDR(x,m) \
81 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
82 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
83
84 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
85
86 #ifndef LINUX_MACHDEP_ELF_COPYARGS
87 /* Counted from linux_exec_elf32.c */
88 #define LINUX_ELF_AUX_ENTRIES 14
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_RANDOM 25 /* address of 16 random bytes */
103 #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */
104 #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */
105
106 #define LINUX_RANDOM_BYTES 16 /* 16 bytes for AT_RANDOM */
107
108 /*
109 * Emulation specific sysctls.
110 */
111 #define EMUL_LINUX_KERN 1
112
113 #define EMUL_LINUX_KERN_OSTYPE 1
114 #define EMUL_LINUX_KERN_OSRELEASE 2
115 #define EMUL_LINUX_KERN_VERSION 3
116
117 #ifdef _KERNEL
118 __BEGIN_DECLS
119 extern struct emul emul_linux;
120
121 int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t,
122 struct lwp *);
123 void linux_setregs(struct lwp *, struct exec_package *, vaddr_t);
124 #ifdef EXEC_AOUT
125 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *);
126 int linux_aout_copyargs(struct lwp *, struct exec_package *,
127 struct ps_strings *, char **, void *);
128 #endif
129 void linux_trapsignal(struct lwp *, ksiginfo_t *);
130 int linux_usertrap(struct lwp *, vaddr_t, void *);
131 int linux_lwp_setprivate(struct lwp *, void *);
132
133 void linux_e_proc_exec(struct proc *, struct exec_package *);
134 void linux_e_proc_fork(struct proc *, struct lwp *, int);
135 void linux_e_proc_exit(struct proc *);
136 void linux_e_lwp_fork(struct lwp *, struct lwp *);
137 void linux_e_lwp_exit(struct lwp *);
138
139 #ifdef EXEC_ELF32
140 int linux_elf32_probe(struct lwp *, struct exec_package *, void *,
141 char *, vaddr_t *);
142 int linux_elf32_copyargs(struct lwp *, struct exec_package *,
143 struct ps_strings *, char **, void *);
144 int linux_elf32_signature(struct lwp *, struct exec_package *,
145 Elf32_Ehdr *, char *);
146 #ifdef LINUX_GCC_SIGNATURE
147 int linux_elf32_gcc_signature(struct lwp *l,
148 struct exec_package *, Elf32_Ehdr *);
149 #endif
150 #ifdef LINUX_DEBUGLINK_SIGNATURE
151 int linux_elf32_debuglink_signature(struct lwp *l,
152 struct exec_package *, Elf32_Ehdr *);
153 #endif
154 #ifdef LINUX_ATEXIT_SIGNATURE
155 int linux_elf32_atexit_signature(struct lwp *l,
156 struct exec_package *, Elf32_Ehdr *);
157 #endif
158 #endif
159 #ifdef EXEC_ELF64
160 int linux_elf64_probe(struct lwp *, struct exec_package *, void *,
161 char *, vaddr_t *);
162 int linux_elf64_copyargs(struct lwp *, struct exec_package *,
163 struct ps_strings *, char **, void *);
164 int linux_elf64_signature(struct lwp *, struct exec_package *,
165 Elf64_Ehdr *, char *);
166 #ifdef LINUX_GCC_SIGNATURE
167 int linux_elf64_gcc_signature(struct lwp *l,
168 struct exec_package *, Elf64_Ehdr *);
169 #endif
170 #ifdef LINUX_DEBUGLINK_SIGNATURE
171 int linux_elf64_debuglink_signature(struct lwp *l,
172 struct exec_package *, Elf64_Ehdr *);
173 #endif
174 #ifdef LINUX_ATEXIT_SIGNATURE
175 int linux_elf64_atexit_signature(struct lwp *l,
176 struct exec_package *, Elf64_Ehdr *);
177 #endif
178 #endif
179 __END_DECLS
180 #endif /* !_KERNEL */
181
182 #endif /* !_LINUX_EXEC_H */
183