netbsd32_compat_12.c revision 1.18
1/*	$NetBSD: netbsd32_compat_12.c,v 1.18 2003/06/29 22:29:36 fvdl 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 1.18 2003/06/29 22:29:36 fvdl 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/netbsd32/netbsd32.h>
49#include <compat/netbsd32/netbsd32_syscallargs.h>
50
51static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *,
52		struct netbsd32_stat12 *));
53
54/* for use with {,fl}stat() */
55static void
56netbsd32_stat12_to_netbsd32(sp12, sp32)
57	struct stat12 *sp12;
58	struct netbsd32_stat12 *sp32;
59{
60
61	sp32->st_dev = sp12->st_dev;
62	sp32->st_ino = sp12->st_ino;
63	sp32->st_mode = sp12->st_mode;
64	sp32->st_nlink = sp12->st_nlink;
65	sp32->st_uid = sp12->st_uid;
66	sp32->st_gid = sp12->st_gid;
67	sp32->st_rdev = sp12->st_rdev;
68	if (sp12->st_size < (quad_t)1 << 32)
69		sp32->st_size = sp12->st_size;
70	else
71		sp32->st_size = -2;
72	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
73	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
74	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
75	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
76	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
77	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
78	sp32->st_blocks = sp12->st_blocks;
79	sp32->st_blksize = sp12->st_blksize;
80	sp32->st_flags = sp12->st_flags;
81	sp32->st_gen = sp12->st_gen;
82}
83
84int
85compat_12_netbsd32_reboot(l, v, retval)
86	struct lwp *l;
87	void *v;
88	register_t *retval;
89{
90	struct compat_12_netbsd32_reboot_args /* {
91		syscallarg(int) opt;
92	} */ *uap = v;
93	struct compat_12_sys_reboot_args ua;
94
95	NETBSD32TO64_UAP(opt);
96	return (compat_12_sys_reboot(l, &ua, retval));
97}
98
99int
100compat_12_netbsd32_msync(l, v, retval)
101	struct lwp *l;
102	void *v;
103	register_t *retval;
104{
105	struct compat_12_netbsd32_msync_args /* {
106		syscallarg(netbsd32_caddr_t) addr;
107		syscallarg(netbsd32_size_t) len;
108	} */ *uap = v;
109	struct sys___msync13_args ua;
110
111	NETBSD32TOX64_UAP(addr, caddr_t);
112	NETBSD32TOX_UAP(len, size_t);
113	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
114	return (sys___msync13(l, &ua, retval));
115}
116
117int
118compat_12_netbsd32_oswapon(l, v, retval)
119	struct lwp *l;
120	void *v;
121	register_t *retval;
122{
123	struct compat_12_netbsd32_oswapon_args /* {
124		syscallarg(const netbsd32_charp) name;
125	} */ *uap = v;
126	struct sys_swapctl_args ua;
127
128	SCARG(&ua, cmd) = SWAP_ON;
129	SCARG(&ua, arg) = (void *)NETBSD32PTR64(SCARG(uap, name));
130	SCARG(&ua, misc) = 0;	/* priority */
131	return (sys_swapctl(l, &ua, retval));
132}
133
134int
135compat_12_netbsd32_stat12(l, v, retval)
136	struct lwp *l;
137	void *v;
138	register_t *retval;
139{
140	struct proc *p = l->l_proc;
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	caddr_t sg;
150	int rv;
151
152	NETBSD32TOP_UAP(path, const char);
153	SCARG(&ua, ub) = &sb12;
154	sg = stackgap_init(p, 0);
155	CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));
156
157	rv = compat_12_sys_stat(l, &ua, retval);
158	if (rv)
159		return (rv);
160
161	sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub));
162	netbsd32_stat12_to_netbsd32(sp12, &sb32);
163
164	return (copyout(&sb32, sp32, sizeof sb32));
165}
166
167int
168compat_12_netbsd32_fstat12(l, v, retval)
169	struct lwp *l;
170	void *v;
171	register_t *retval;
172{
173	struct compat_12_netbsd32_fstat12_args /* {
174		syscallarg(int) fd;
175		syscallarg(netbsd32_stat12p_t) sb;
176	} */ *uap = v;
177	struct netbsd32_stat12 *sp32, sb32;
178	struct stat12 sb12;
179	struct stat12 *sp12 = &sb12;
180	struct compat_12_sys_fstat_args ua;
181	int rv;
182
183	NETBSD32TO64_UAP(fd);
184	SCARG(&ua, sb) = &sb12;
185	rv = compat_12_sys_fstat(l, &ua, retval);
186	if (rv)
187		return (rv);
188
189	sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, sb));
190	netbsd32_stat12_to_netbsd32(sp12, &sb32);
191
192	return (copyout(&sb32, sp32, sizeof sb32));
193}
194
195int
196compat_12_netbsd32_lstat12(l, v, retval)
197	struct lwp *l;
198	void *v;
199	register_t *retval;
200{
201	struct proc *p = l->l_proc;
202	struct compat_12_netbsd32_lstat12_args /* {
203		syscallarg(const netbsd32_charp) path;
204		syscallarg(netbsd32_stat12p_t) ub;
205	} */ *uap = v;
206	struct netbsd32_stat12 *sp32, sb32;
207	struct stat12 sb12;
208	struct stat12 *sp12 = &sb12;
209	struct compat_12_sys_lstat_args ua;
210	caddr_t sg;
211	int rv;
212
213	NETBSD32TOP_UAP(path, const char);
214	SCARG(&ua, ub) = &sb12;
215	sg = stackgap_init(p, 0);
216	CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));
217
218	rv = compat_12_sys_lstat(l, &ua, retval);
219	if (rv)
220		return (rv);
221
222	sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub));
223	netbsd32_stat12_to_netbsd32(sp12, &sb32);
224
225	return (copyout(&sb32, sp32, sizeof sb32));
226}
227
228int
229compat_12_netbsd32_getdirentries(l, v, retval)
230	struct lwp *l;
231	void *v;
232	register_t *retval;
233{
234	struct compat_12_netbsd32_getdirentries_args /* {
235		syscallarg(int) fd;
236		syscallarg(netbsd32_charp) buf;
237		syscallarg(u_int) count;
238		syscallarg(netbsd32_longp) basep;
239	} */ *uap = v;
240	struct compat_12_sys_getdirentries_args ua;
241
242	NETBSD32TO64_UAP(fd);
243	NETBSD32TOP_UAP(buf, char);
244	NETBSD32TO64_UAP(count);
245	NETBSD32TOP_UAP(basep, long);
246
247	return (compat_12_sys_getdirentries(l, &ua, retval));
248}
249