netbsd32_compat_12.c revision 1.30
1/*	$NetBSD: netbsd32_compat_12.c,v 1.30 2007/12/20 23:03:00 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 1.30 2007/12/20 23:03:00 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(struct stat12 *,
53		struct netbsd32_stat12 *);
54
55/* for use with {,fl}stat() */
56static void
57netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32)
58{
59
60	sp32->st_dev = sp12->st_dev;
61	sp32->st_ino = sp12->st_ino;
62	sp32->st_mode = sp12->st_mode;
63	sp32->st_nlink = sp12->st_nlink;
64	sp32->st_uid = sp12->st_uid;
65	sp32->st_gid = sp12->st_gid;
66	sp32->st_rdev = sp12->st_rdev;
67	if (sp12->st_size < (quad_t)1 << 32)
68		sp32->st_size = sp12->st_size;
69	else
70		sp32->st_size = -2;
71	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
72	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
73	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
74	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
75	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
76	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
77	sp32->st_blocks = sp12->st_blocks;
78	sp32->st_blksize = sp12->st_blksize;
79	sp32->st_flags = sp12->st_flags;
80	sp32->st_gen = sp12->st_gen;
81}
82
83int
84compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval)
85{
86	/* {
87		syscallarg(int) opt;
88	} */
89	struct compat_12_sys_reboot_args ua;
90
91	NETBSD32TO64_UAP(opt);
92	return (compat_12_sys_reboot(l, &ua, retval));
93}
94
95int
96compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval)
97{
98	/* {
99		syscallarg(netbsd32_caddr_t) addr;
100		syscallarg(netbsd32_size_t) len;
101	} */
102	struct sys___msync13_args ua;
103
104	NETBSD32TOP_UAP(addr, void *);
105	NETBSD32TOX_UAP(len, size_t);
106	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
107	return (sys___msync13(l, &ua, retval));
108}
109
110int
111compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval)
112{
113	/* {
114		syscallarg(const netbsd32_charp) name;
115	} */
116	struct sys_swapctl_args ua;
117
118	SCARG(&ua, cmd) = SWAP_ON;
119	SCARG(&ua, arg) = SCARG_P32(uap, name);
120	SCARG(&ua, misc) = 0;	/* priority */
121	return (sys_swapctl(l, &ua, retval));
122}
123
124int
125compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval)
126{
127	/* {
128		syscallarg(const netbsd32_charp) path;
129		syscallarg(netbsd32_stat12p_t) ub;
130	} */
131	struct netbsd32_stat12 *sp32, sb32;
132	struct stat12 sb12;
133	struct stat12 *sp12 = &sb12;
134	struct compat_12_sys_stat_args ua;
135	int rv;
136
137	NETBSD32TOP_UAP(path, const char);
138	SCARG(&ua, ub) = &sb12;
139
140	rv = compat_12_sys_stat(l, &ua, retval);
141	if (rv)
142		return (rv);
143
144	sp32 = SCARG_P32(uap, ub);
145	netbsd32_stat12_to_netbsd32(sp12, &sb32);
146
147	return (copyout(&sb32, sp32, sizeof sb32));
148}
149
150int
151compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval)
152{
153	/* {
154		syscallarg(int) fd;
155		syscallarg(netbsd32_stat12p_t) sb;
156	} */
157	struct netbsd32_stat12 *sp32, sb32;
158	struct stat12 sb12;
159	struct stat12 *sp12 = &sb12;
160	struct compat_12_sys_fstat_args ua;
161	int rv;
162
163	NETBSD32TO64_UAP(fd);
164	SCARG(&ua, sb) = &sb12;
165	rv = compat_12_sys_fstat(l, &ua, retval);
166	if (rv)
167		return (rv);
168
169	sp32 = SCARG_P32(uap, sb);
170	netbsd32_stat12_to_netbsd32(sp12, &sb32);
171
172	return (copyout(&sb32, sp32, sizeof sb32));
173}
174
175int
176compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval)
177{
178	/* {
179		syscallarg(const netbsd32_charp) path;
180		syscallarg(netbsd32_stat12p_t) ub;
181	} */
182	struct netbsd32_stat12 *sp32, sb32;
183	struct stat12 sb12;
184	struct stat12 *sp12 = &sb12;
185	struct compat_12_sys_lstat_args ua;
186	int rv;
187
188	NETBSD32TOP_UAP(path, const char);
189	SCARG(&ua, ub) = &sb12;
190
191	rv = compat_12_sys_lstat(l, &ua, retval);
192	if (rv)
193		return (rv);
194
195	sp32 = SCARG_P32(uap, ub);
196	netbsd32_stat12_to_netbsd32(sp12, &sb32);
197
198	return (copyout(&sb32, sp32, sizeof sb32));
199}
200
201int
202compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval)
203{
204	/* {
205		syscallarg(int) fd;
206		syscallarg(netbsd32_charp) buf;
207		syscallarg(u_int) count;
208		syscallarg(netbsd32_longp) basep;
209	} */
210	struct compat_12_sys_getdirentries_args ua;
211
212	NETBSD32TO64_UAP(fd);
213	NETBSD32TOP_UAP(buf, char);
214	NETBSD32TO64_UAP(count);
215	NETBSD32TOP_UAP(basep, long);
216
217	return (compat_12_sys_getdirentries(l, &ua, retval));
218}
219