netbsd32_compat_12.c revision 1.24 1 /* $NetBSD: netbsd32_compat_12.c,v 1.24 2007/03/16 22:21:41 dsl Exp $ */
2
3 /*
4 * Copyright (c) 1998, 2001 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_12.c,v 1.24 2007/03/16 22:21:41 dsl Exp $");
33
34 #if defined(_KERNEL_OPT)
35 #include "opt_compat_netbsd.h"
36 #endif
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/mount.h>
41 #include <sys/mman.h>
42 #include <sys/proc.h>
43 #include <sys/stat.h>
44 #include <sys/swap.h>
45 #include <sys/syscallargs.h>
46
47 #include <compat/sys/stat.h>
48
49 #include <compat/netbsd32/netbsd32.h>
50 #include <compat/netbsd32/netbsd32_syscallargs.h>
51
52 static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *,
53 struct netbsd32_stat12 *));
54
55 /* for use with {,fl}stat() */
56 static void
57 netbsd32_stat12_to_netbsd32(sp12, sp32)
58 struct stat12 *sp12;
59 struct netbsd32_stat12 *sp32;
60 {
61
62 sp32->st_dev = sp12->st_dev;
63 sp32->st_ino = sp12->st_ino;
64 sp32->st_mode = sp12->st_mode;
65 sp32->st_nlink = sp12->st_nlink;
66 sp32->st_uid = sp12->st_uid;
67 sp32->st_gid = sp12->st_gid;
68 sp32->st_rdev = sp12->st_rdev;
69 if (sp12->st_size < (quad_t)1 << 32)
70 sp32->st_size = sp12->st_size;
71 else
72 sp32->st_size = -2;
73 sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
74 sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
75 sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
76 sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
77 sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
78 sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
79 sp32->st_blocks = sp12->st_blocks;
80 sp32->st_blksize = sp12->st_blksize;
81 sp32->st_flags = sp12->st_flags;
82 sp32->st_gen = sp12->st_gen;
83 }
84
85 int
86 compat_12_netbsd32_reboot(l, v, retval)
87 struct lwp *l;
88 void *v;
89 register_t *retval;
90 {
91 struct compat_12_netbsd32_reboot_args /* {
92 syscallarg(int) opt;
93 } */ *uap = v;
94 struct compat_12_sys_reboot_args ua;
95
96 NETBSD32TO64_UAP(opt);
97 return (compat_12_sys_reboot(l, &ua, retval));
98 }
99
100 int
101 compat_12_netbsd32_msync(l, v, retval)
102 struct lwp *l;
103 void *v;
104 register_t *retval;
105 {
106 struct compat_12_netbsd32_msync_args /* {
107 syscallarg(netbsd32_caddr_t) addr;
108 syscallarg(netbsd32_size_t) len;
109 } */ *uap = v;
110 struct sys___msync13_args ua;
111
112 NETBSD32TOP_UAP(addr, void *);
113 NETBSD32TOX_UAP(len, size_t);
114 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
115 return (sys___msync13(l, &ua, retval));
116 }
117
118 int
119 compat_12_netbsd32_oswapon(l, v, retval)
120 struct lwp *l;
121 void *v;
122 register_t *retval;
123 {
124 struct compat_12_netbsd32_oswapon_args /* {
125 syscallarg(const netbsd32_charp) name;
126 } */ *uap = v;
127 struct sys_swapctl_args ua;
128
129 SCARG(&ua, cmd) = SWAP_ON;
130 SCARG(&ua, arg) = (void *)NETBSD32PTR64(SCARG(uap, name));
131 SCARG(&ua, misc) = 0; /* priority */
132 return (sys_swapctl(l, &ua, retval));
133 }
134
135 int
136 compat_12_netbsd32_stat12(l, v, retval)
137 struct lwp *l;
138 void *v;
139 register_t *retval;
140 {
141 struct proc *p = l->l_proc;
142 struct compat_12_netbsd32_stat12_args /* {
143 syscallarg(const netbsd32_charp) path;
144 syscallarg(netbsd32_stat12p_t) ub;
145 } */ *uap = v;
146 struct netbsd32_stat12 *sp32, sb32;
147 struct stat12 sb12;
148 struct stat12 *sp12 = &sb12;
149 struct compat_12_sys_stat_args ua;
150 void *sg;
151 int rv;
152
153 NETBSD32TOP_UAP(path, const char);
154 SCARG(&ua, ub) = &sb12;
155 sg = stackgap_init(p, 0);
156 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path));
157
158 rv = compat_12_sys_stat(l, &ua, retval);
159 if (rv)
160 return (rv);
161
162 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub));
163 netbsd32_stat12_to_netbsd32(sp12, &sb32);
164
165 return (copyout(&sb32, sp32, sizeof sb32));
166 }
167
168 int
169 compat_12_netbsd32_fstat12(l, v, retval)
170 struct lwp *l;
171 void *v;
172 register_t *retval;
173 {
174 struct compat_12_netbsd32_fstat12_args /* {
175 syscallarg(int) fd;
176 syscallarg(netbsd32_stat12p_t) sb;
177 } */ *uap = v;
178 struct netbsd32_stat12 *sp32, sb32;
179 struct stat12 sb12;
180 struct stat12 *sp12 = &sb12;
181 struct compat_12_sys_fstat_args ua;
182 int rv;
183
184 NETBSD32TO64_UAP(fd);
185 SCARG(&ua, sb) = &sb12;
186 rv = compat_12_sys_fstat(l, &ua, retval);
187 if (rv)
188 return (rv);
189
190 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, sb));
191 netbsd32_stat12_to_netbsd32(sp12, &sb32);
192
193 return (copyout(&sb32, sp32, sizeof sb32));
194 }
195
196 int
197 compat_12_netbsd32_lstat12(l, v, retval)
198 struct lwp *l;
199 void *v;
200 register_t *retval;
201 {
202 struct proc *p = l->l_proc;
203 struct compat_12_netbsd32_lstat12_args /* {
204 syscallarg(const netbsd32_charp) path;
205 syscallarg(netbsd32_stat12p_t) ub;
206 } */ *uap = v;
207 struct netbsd32_stat12 *sp32, sb32;
208 struct stat12 sb12;
209 struct stat12 *sp12 = &sb12;
210 struct compat_12_sys_lstat_args ua;
211 void *sg;
212 int rv;
213
214 NETBSD32TOP_UAP(path, const char);
215 SCARG(&ua, ub) = &sb12;
216 sg = stackgap_init(p, 0);
217 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path));
218
219 rv = compat_12_sys_lstat(l, &ua, retval);
220 if (rv)
221 return (rv);
222
223 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub));
224 netbsd32_stat12_to_netbsd32(sp12, &sb32);
225
226 return (copyout(&sb32, sp32, sizeof sb32));
227 }
228
229 int
230 compat_12_netbsd32_getdirentries(l, v, retval)
231 struct lwp *l;
232 void *v;
233 register_t *retval;
234 {
235 struct compat_12_netbsd32_getdirentries_args /* {
236 syscallarg(int) fd;
237 syscallarg(netbsd32_charp) buf;
238 syscallarg(u_int) count;
239 syscallarg(netbsd32_longp) basep;
240 } */ *uap = v;
241 struct compat_12_sys_getdirentries_args ua;
242
243 NETBSD32TO64_UAP(fd);
244 NETBSD32TOP_UAP(buf, char);
245 NETBSD32TO64_UAP(count);
246 NETBSD32TOP_UAP(basep, long);
247
248 return (compat_12_sys_getdirentries(l, &ua, retval));
249 }
250