1 /* $NetBSD: netbsd32_compat_12.c,v 1.33 2012/12/10 02:21:58 chs 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_12.c,v 1.33 2012/12/10 02:21:58 chs Exp $");
31
32 #if defined(_KERNEL_OPT)
33 #include "opt_compat_netbsd.h"
34 #endif
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/filedesc.h>
39 #include <sys/mount.h>
40 #include <sys/mman.h>
41 #include <sys/namei.h>
42 #include <sys/proc.h>
43 #include <sys/stat.h>
44 #include <sys/swap.h>
45 #include <sys/vfs_syscalls.h>
46
47 #include <sys/syscallargs.h>
48
49 #include <compat/sys/stat.h>
50
51 #include <compat/netbsd32/netbsd32.h>
52 #include <compat/netbsd32/netbsd32_syscallargs.h>
53
54 static void netbsd32_stat12_to_netbsd32(struct stat12 *,
55 struct netbsd32_stat12 *);
56
57 /* for use with {,fl}stat() */
58 static void
netbsd32_stat12_to_netbsd32(struct stat12 * sp12,struct netbsd32_stat12 * sp32)59 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, 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
compat_12_netbsd32_reboot(struct lwp * l,const struct compat_12_netbsd32_reboot_args * uap,register_t * retval)86 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval)
87 {
88 /* {
89 syscallarg(int) opt;
90 } */
91 struct compat_12_sys_reboot_args ua;
92
93 NETBSD32TO64_UAP(opt);
94 return (compat_12_sys_reboot(l, &ua, retval));
95 }
96
97 int
compat_12_netbsd32_msync(struct lwp * l,const struct compat_12_netbsd32_msync_args * uap,register_t * retval)98 compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval)
99 {
100 /* {
101 syscallarg(netbsd32_voidp) addr;
102 syscallarg(netbsd32_size_t) len;
103 } */
104 struct sys___msync13_args ua;
105
106 NETBSD32TOP_UAP(addr, void *);
107 NETBSD32TOX_UAP(len, size_t);
108 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
109 return (sys___msync13(l, &ua, retval));
110 }
111
112 int
compat_12_netbsd32_oswapon(struct lwp * l,const struct compat_12_netbsd32_oswapon_args * uap,register_t * retval)113 compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval)
114 {
115 /* {
116 syscallarg(const netbsd32_charp) name;
117 } */
118 struct sys_swapctl_args ua;
119
120 SCARG(&ua, cmd) = SWAP_ON;
121 SCARG(&ua, arg) = SCARG_P32(uap, name);
122 SCARG(&ua, misc) = 0; /* priority */
123 return (sys_swapctl(l, &ua, retval));
124 }
125
126 int
compat_12_netbsd32_stat12(struct lwp * l,const struct compat_12_netbsd32_stat12_args * uap,register_t * retval)127 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval)
128 {
129 /* {
130 syscallarg(const netbsd32_charp) path;
131 syscallarg(netbsd32_stat12p_t) ub;
132 } */
133 struct netbsd32_stat12 sb32;
134 struct stat12 sb12;
135 struct stat sb;
136 int error;
137
138 error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb);
139 if (error)
140 return (error);
141
142 compat_12_stat_conv(&sb, &sb12);
143 netbsd32_stat12_to_netbsd32(&sb12, &sb32);
144
145 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32));
146 }
147
148 int
compat_12_netbsd32_fstat12(struct lwp * l,const struct compat_12_netbsd32_fstat12_args * uap,register_t * retval)149 compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval)
150 {
151 /* {
152 syscallarg(int) fd;
153 syscallarg(netbsd32_stat12p_t) sb;
154 } */
155 struct netbsd32_stat12 sb32;
156 struct stat12 sb12;
157 struct stat sb;
158 int error;
159
160 error = do_sys_fstat(SCARG(uap, fd), &sb);
161 if (error)
162 return (error);
163
164 compat_12_stat_conv(&sb, &sb12);
165 netbsd32_stat12_to_netbsd32(&sb12, &sb32);
166
167 return (copyout(&sb32, SCARG_P32(uap, sb), sizeof sb32));
168 }
169
170 int
compat_12_netbsd32_lstat12(struct lwp * l,const struct compat_12_netbsd32_lstat12_args * uap,register_t * retval)171 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval)
172 {
173 /* {
174 syscallarg(const netbsd32_charp) path;
175 syscallarg(netbsd32_stat12p_t) ub;
176 } */
177 struct netbsd32_stat12 sb32;
178 struct stat12 sb12;
179 struct stat sb;
180 int error;
181
182 error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb);
183 if (error)
184 return (error);
185
186 compat_12_stat_conv(&sb, &sb12);
187 netbsd32_stat12_to_netbsd32(&sb12, &sb32);
188
189 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32));
190 }
191
192 int
compat_12_netbsd32_getdirentries(struct lwp * l,const struct compat_12_netbsd32_getdirentries_args * uap,register_t * retval)193 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval)
194 {
195 /* {
196 syscallarg(int) fd;
197 syscallarg(netbsd32_charp) buf;
198 syscallarg(u_int) count;
199 syscallarg(netbsd32_longp) basep;
200 } */
201 struct compat_12_sys_getdirentries_args ua;
202
203 NETBSD32TO64_UAP(fd);
204 NETBSD32TOP_UAP(buf, char);
205 NETBSD32TO64_UAP(count);
206 NETBSD32TOP_UAP(basep, long);
207
208 return (compat_12_sys_getdirentries(l, &ua, retval));
209 }
210