1 /* $NetBSD: compat_43_mod.c,v 1.3 2019/01/28 15:46:49 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2018 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for The NetBSD Foundation
8 * by Paul Goyette
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 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: compat_43_mod.c,v 1.3 2019/01/28 15:46:49 christos Exp $");
34
35 #if defined(_KERNEL_OPT)
36 #include "opt_compat_netbsd.h"
37 #endif
38
39 #include <sys/systm.h>
40 #include <sys/module.h>
41 #include <sys/sysctl.h>
42 #include <sys/syscall.h>
43 #include <sys/syscallvar.h>
44 #include <sys/syscallargs.h>
45
46 #include <compat/common/compat_util.h>
47 #include <compat/common/compat_mod.h>
48
49 int
compat_43_init(void)50 compat_43_init(void)
51 {
52 int error;
53
54 error = kern_exit_43_init();
55 if (error != 0)
56 return error;
57
58 error = kern_info_43_init();
59 if (error != 0)
60 goto out8;
61
62 error = kern_resource_43_init();
63 if (error != 0)
64 goto out7;
65
66 error = kern_sig_43_init();
67 if (error != 0)
68 goto out6;
69
70 error = kern_tty_43_init();
71 if (error != 0)
72 goto out5;
73
74 error = uipc_syscalls_43_init();
75 if (error != 0)
76 goto out4;
77
78 error = vfs_syscalls_43_init();
79 if (error != 0)
80 goto out3;
81
82 error = vm_43_init();
83 if (error != 0)
84 goto out2;
85
86 error = if_43_init();
87 if (error != 0)
88 goto out1;
89
90 return 0;
91
92 out1:
93 vm_43_fini();
94 out2:
95 vfs_syscalls_43_fini();
96 out3:
97 uipc_syscalls_43_fini();
98 out4:
99 kern_tty_43_fini();
100 out5:
101 kern_sig_43_fini();
102 out6:
103 kern_resource_43_fini();
104 out7:
105 kern_info_43_fini();
106 out8:
107 kern_exit_43_fini();
108
109 return error;
110 }
111
112 int
compat_43_fini(void)113 compat_43_fini(void)
114 {
115 int error;
116
117 error = if_43_fini();
118 if (error != 0)
119 return error;
120
121 error = vm_43_fini();
122 if (error != 0)
123 goto out8;
124
125 error = vfs_syscalls_43_fini();
126 if (error != 0)
127 goto out7;
128
129 error = uipc_syscalls_43_fini();
130 if (error != 0)
131 goto out6;
132
133 error = kern_tty_43_fini();
134 if (error != 0)
135 goto out5;
136
137 error = kern_sig_43_fini();
138 if (error != 0)
139 goto out4;
140
141 error = kern_resource_43_fini();
142 if (error != 0)
143 goto out3;
144
145 error = kern_info_43_fini();
146 if (error != 0)
147 goto out2;
148
149 error = kern_exit_43_fini();
150 if (error != 0)
151 goto out1;
152
153 return 0;
154
155 out1:
156 kern_info_43_init();
157 out2:
158 kern_resource_43_init();
159 out3:
160 kern_sig_43_init();
161 out4:
162 kern_tty_43_init();
163 out5:
164 uipc_syscalls_43_init();
165 out6:
166 vfs_syscalls_43_init();
167 out7:
168 vm_43_init();
169 out8:
170 if_43_init();
171
172 return error;
173 }
174
175 /*
176 * XXX We "require" the compat_60 module to ensure proper ordering of
177 * XXX vectoring the ttcompatvec replacement routine!
178 */
179 MODULE(MODULE_CLASS_EXEC, compat_43,
180 "compat_sysctl_09_43,compat_util,compat_60");
181
182 static int
compat_43_modcmd(modcmd_t cmd,void * arg)183 compat_43_modcmd(modcmd_t cmd, void *arg)
184 {
185
186 switch (cmd) {
187 case MODULE_CMD_INIT:
188 return compat_43_init();
189 case MODULE_CMD_FINI:
190 return compat_43_fini();
191 default:
192 return ENOTTY;
193 }
194 }
195