1 /*	$NetBSD: netbsd32_compat_12.c,v 1.23 2007/03/04 07:54:07 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 1.23 2007/03/04 07:54:07 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/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 	NETBSD32TOX64_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