xref: /netbsd-src/sys/compat/netbsd32/netbsd32_compat_12.c (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: netbsd32_compat_12.c,v 1.20 2005/12/11 12:20:22 christos 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 1.20 2005/12/11 12:20:22 christos 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/sa.h>
46 #include <sys/syscallargs.h>
47 
48 #include <compat/sys/stat.h>
49 
50 #include <compat/netbsd32/netbsd32.h>
51 #include <compat/netbsd32/netbsd32_syscallargs.h>
52 
53 static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *,
54 		struct netbsd32_stat12 *));
55 
56 /* for use with {,fl}stat() */
57 static void
58 netbsd32_stat12_to_netbsd32(sp12, sp32)
59 	struct stat12 *sp12;
60 	struct netbsd32_stat12 *sp32;
61 {
62 
63 	sp32->st_dev = sp12->st_dev;
64 	sp32->st_ino = sp12->st_ino;
65 	sp32->st_mode = sp12->st_mode;
66 	sp32->st_nlink = sp12->st_nlink;
67 	sp32->st_uid = sp12->st_uid;
68 	sp32->st_gid = sp12->st_gid;
69 	sp32->st_rdev = sp12->st_rdev;
70 	if (sp12->st_size < (quad_t)1 << 32)
71 		sp32->st_size = sp12->st_size;
72 	else
73 		sp32->st_size = -2;
74 	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
75 	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
76 	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
77 	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
78 	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
79 	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
80 	sp32->st_blocks = sp12->st_blocks;
81 	sp32->st_blksize = sp12->st_blksize;
82 	sp32->st_flags = sp12->st_flags;
83 	sp32->st_gen = sp12->st_gen;
84 }
85 
86 int
87 compat_12_netbsd32_reboot(l, v, retval)
88 	struct lwp *l;
89 	void *v;
90 	register_t *retval;
91 {
92 	struct compat_12_netbsd32_reboot_args /* {
93 		syscallarg(int) opt;
94 	} */ *uap = v;
95 	struct compat_12_sys_reboot_args ua;
96 
97 	NETBSD32TO64_UAP(opt);
98 	return (compat_12_sys_reboot(l, &ua, retval));
99 }
100 
101 int
102 compat_12_netbsd32_msync(l, v, retval)
103 	struct lwp *l;
104 	void *v;
105 	register_t *retval;
106 {
107 	struct compat_12_netbsd32_msync_args /* {
108 		syscallarg(netbsd32_caddr_t) addr;
109 		syscallarg(netbsd32_size_t) len;
110 	} */ *uap = v;
111 	struct sys___msync13_args ua;
112 
113 	NETBSD32TOX64_UAP(addr, caddr_t);
114 	NETBSD32TOX_UAP(len, size_t);
115 	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
116 	return (sys___msync13(l, &ua, retval));
117 }
118 
119 int
120 compat_12_netbsd32_oswapon(l, v, retval)
121 	struct lwp *l;
122 	void *v;
123 	register_t *retval;
124 {
125 	struct compat_12_netbsd32_oswapon_args /* {
126 		syscallarg(const netbsd32_charp) name;
127 	} */ *uap = v;
128 	struct sys_swapctl_args ua;
129 
130 	SCARG(&ua, cmd) = SWAP_ON;
131 	SCARG(&ua, arg) = (void *)NETBSD32PTR64(SCARG(uap, name));
132 	SCARG(&ua, misc) = 0;	/* priority */
133 	return (sys_swapctl(l, &ua, retval));
134 }
135 
136 int
137 compat_12_netbsd32_stat12(l, v, retval)
138 	struct lwp *l;
139 	void *v;
140 	register_t *retval;
141 {
142 	struct proc *p = l->l_proc;
143 	struct compat_12_netbsd32_stat12_args /* {
144 		syscallarg(const netbsd32_charp) path;
145 		syscallarg(netbsd32_stat12p_t) ub;
146 	} */ *uap = v;
147 	struct netbsd32_stat12 *sp32, sb32;
148 	struct stat12 sb12;
149 	struct stat12 *sp12 = &sb12;
150 	struct compat_12_sys_stat_args ua;
151 	caddr_t sg;
152 	int rv;
153 
154 	NETBSD32TOP_UAP(path, const char);
155 	SCARG(&ua, ub) = &sb12;
156 	sg = stackgap_init(p, 0);
157 	CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path));
158 
159 	rv = compat_12_sys_stat(l, &ua, retval);
160 	if (rv)
161 		return (rv);
162 
163 	sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub));
164 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
165 
166 	return (copyout(&sb32, sp32, sizeof sb32));
167 }
168 
169 int
170 compat_12_netbsd32_fstat12(l, v, retval)
171 	struct lwp *l;
172 	void *v;
173 	register_t *retval;
174 {
175 	struct compat_12_netbsd32_fstat12_args /* {
176 		syscallarg(int) fd;
177 		syscallarg(netbsd32_stat12p_t) sb;
178 	} */ *uap = v;
179 	struct netbsd32_stat12 *sp32, sb32;
180 	struct stat12 sb12;
181 	struct stat12 *sp12 = &sb12;
182 	struct compat_12_sys_fstat_args ua;
183 	int rv;
184 
185 	NETBSD32TO64_UAP(fd);
186 	SCARG(&ua, sb) = &sb12;
187 	rv = compat_12_sys_fstat(l, &ua, retval);
188 	if (rv)
189 		return (rv);
190 
191 	sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, sb));
192 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
193 
194 	return (copyout(&sb32, sp32, sizeof sb32));
195 }
196 
197 int
198 compat_12_netbsd32_lstat12(l, v, retval)
199 	struct lwp *l;
200 	void *v;
201 	register_t *retval;
202 {
203 	struct proc *p = l->l_proc;
204 	struct compat_12_netbsd32_lstat12_args /* {
205 		syscallarg(const netbsd32_charp) path;
206 		syscallarg(netbsd32_stat12p_t) ub;
207 	} */ *uap = v;
208 	struct netbsd32_stat12 *sp32, sb32;
209 	struct stat12 sb12;
210 	struct stat12 *sp12 = &sb12;
211 	struct compat_12_sys_lstat_args ua;
212 	caddr_t sg;
213 	int rv;
214 
215 	NETBSD32TOP_UAP(path, const char);
216 	SCARG(&ua, ub) = &sb12;
217 	sg = stackgap_init(p, 0);
218 	CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path));
219 
220 	rv = compat_12_sys_lstat(l, &ua, retval);
221 	if (rv)
222 		return (rv);
223 
224 	sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub));
225 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
226 
227 	return (copyout(&sb32, sp32, sizeof sb32));
228 }
229 
230 int
231 compat_12_netbsd32_getdirentries(l, v, retval)
232 	struct lwp *l;
233 	void *v;
234 	register_t *retval;
235 {
236 	struct compat_12_netbsd32_getdirentries_args /* {
237 		syscallarg(int) fd;
238 		syscallarg(netbsd32_charp) buf;
239 		syscallarg(u_int) count;
240 		syscallarg(netbsd32_longp) basep;
241 	} */ *uap = v;
242 	struct compat_12_sys_getdirentries_args ua;
243 
244 	NETBSD32TO64_UAP(fd);
245 	NETBSD32TOP_UAP(buf, char);
246 	NETBSD32TO64_UAP(count);
247 	NETBSD32TOP_UAP(basep, long);
248 
249 	return (compat_12_sys_getdirentries(l, &ua, retval));
250 }
251