netbsd32_compat_12.c revision 1.27
1/*	$NetBSD: netbsd32_compat_12.c,v 1.27 2007/04/30 09:20:19 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 1.27 2007/04/30 09:20:19 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
52static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *,
53		struct netbsd32_stat12 *));
54
55/* for use with {,fl}stat() */
56static void
57netbsd32_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
85int
86compat_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
100int
101compat_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
118int
119compat_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) = SCARG_P32(uap, name);
131	SCARG(&ua, misc) = 0;	/* priority */
132	return (sys_swapctl(l, &ua, retval));
133}
134
135int
136compat_12_netbsd32_stat12(l, v, retval)
137	struct lwp *l;
138	void *v;
139	register_t *retval;
140{
141	struct compat_12_netbsd32_stat12_args /* {
142		syscallarg(const netbsd32_charp) path;
143		syscallarg(netbsd32_stat12p_t) ub;
144	} */ *uap = v;
145	struct netbsd32_stat12 *sp32, sb32;
146	struct stat12 sb12;
147	struct stat12 *sp12 = &sb12;
148	struct compat_12_sys_stat_args ua;
149	int rv;
150
151	NETBSD32TOP_UAP(path, const char);
152	SCARG(&ua, ub) = &sb12;
153
154	rv = compat_12_sys_stat(l, &ua, retval);
155	if (rv)
156		return (rv);
157
158	sp32 = SCARG_P32(uap, ub);
159	netbsd32_stat12_to_netbsd32(sp12, &sb32);
160
161	return (copyout(&sb32, sp32, sizeof sb32));
162}
163
164int
165compat_12_netbsd32_fstat12(l, v, retval)
166	struct lwp *l;
167	void *v;
168	register_t *retval;
169{
170	struct compat_12_netbsd32_fstat12_args /* {
171		syscallarg(int) fd;
172		syscallarg(netbsd32_stat12p_t) sb;
173	} */ *uap = v;
174	struct netbsd32_stat12 *sp32, sb32;
175	struct stat12 sb12;
176	struct stat12 *sp12 = &sb12;
177	struct compat_12_sys_fstat_args ua;
178	int rv;
179
180	NETBSD32TO64_UAP(fd);
181	SCARG(&ua, sb) = &sb12;
182	rv = compat_12_sys_fstat(l, &ua, retval);
183	if (rv)
184		return (rv);
185
186	sp32 = SCARG_P32(uap, sb);
187	netbsd32_stat12_to_netbsd32(sp12, &sb32);
188
189	return (copyout(&sb32, sp32, sizeof sb32));
190}
191
192int
193compat_12_netbsd32_lstat12(l, v, retval)
194	struct lwp *l;
195	void *v;
196	register_t *retval;
197{
198	struct compat_12_netbsd32_lstat12_args /* {
199		syscallarg(const netbsd32_charp) path;
200		syscallarg(netbsd32_stat12p_t) ub;
201	} */ *uap = v;
202	struct netbsd32_stat12 *sp32, sb32;
203	struct stat12 sb12;
204	struct stat12 *sp12 = &sb12;
205	struct compat_12_sys_lstat_args ua;
206	int rv;
207
208	NETBSD32TOP_UAP(path, const char);
209	SCARG(&ua, ub) = &sb12;
210
211	rv = compat_12_sys_lstat(l, &ua, retval);
212	if (rv)
213		return (rv);
214
215	sp32 = SCARG_P32(uap, ub);
216	netbsd32_stat12_to_netbsd32(sp12, &sb32);
217
218	return (copyout(&sb32, sp32, sizeof sb32));
219}
220
221int
222compat_12_netbsd32_getdirentries(l, v, retval)
223	struct lwp *l;
224	void *v;
225	register_t *retval;
226{
227	struct compat_12_netbsd32_getdirentries_args /* {
228		syscallarg(int) fd;
229		syscallarg(netbsd32_charp) buf;
230		syscallarg(u_int) count;
231		syscallarg(netbsd32_longp) basep;
232	} */ *uap = v;
233	struct compat_12_sys_getdirentries_args ua;
234
235	NETBSD32TO64_UAP(fd);
236	NETBSD32TOP_UAP(buf, char);
237	NETBSD32TO64_UAP(count);
238	NETBSD32TOP_UAP(basep, long);
239
240	return (compat_12_sys_getdirentries(l, &ua, retval));
241}
242