netbsd32_compat_12.c revision 1.11
1/*	$NetBSD: netbsd32_compat_12.c,v 1.11 2001/05/30 11:37:28 mrg Exp $	*/
2
3/*
4 * Copyright (c) 1998 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#if defined(_KERNEL_OPT)
32#include "opt_compat_netbsd.h"
33#endif
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/mount.h>
38#include <sys/mman.h>
39#include <sys/proc.h>
40#include <sys/stat.h>
41#include <sys/swap.h>
42#include <sys/syscallargs.h>
43
44#include <compat/netbsd32/netbsd32.h>
45#include <compat/netbsd32/netbsd32_syscallargs.h>
46
47static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *,
48		struct netbsd32_stat12 *));
49
50/* for use with {,fl}stat() */
51static void
52netbsd32_stat12_to_netbsd32(sp12, sp32)
53	struct stat12 *sp12;
54	struct netbsd32_stat12 *sp32;
55{
56
57	sp32->st_dev = sp12->st_dev;
58	sp32->st_ino = sp12->st_ino;
59	sp32->st_mode = sp12->st_mode;
60	sp32->st_nlink = sp12->st_nlink;
61	sp32->st_uid = sp12->st_uid;
62	sp32->st_gid = sp12->st_gid;
63	sp32->st_rdev = sp12->st_rdev;
64	if (sp12->st_size < (quad_t)1 << 32)
65		sp32->st_size = sp12->st_size;
66	else
67		sp32->st_size = -2;
68	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
69	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
70	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
71	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
72	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
73	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
74	sp32->st_blocks = sp12->st_blocks;
75	sp32->st_blksize = sp12->st_blksize;
76	sp32->st_flags = sp12->st_flags;
77	sp32->st_gen = sp12->st_gen;
78}
79
80int
81compat_12_netbsd32_reboot(p, v, retval)
82	struct proc *p;
83	void *v;
84	register_t *retval;
85{
86	struct compat_12_netbsd32_reboot_args /* {
87		syscallarg(int) opt;
88	} */ *uap = v;
89	struct compat_12_sys_reboot_args ua;
90
91	NETBSD32TO64_UAP(opt);
92	return (compat_12_sys_reboot(p, &ua, retval));
93}
94
95int
96compat_12_netbsd32_msync(p, v, retval)
97	struct proc *p;
98	void *v;
99	register_t *retval;
100{
101	struct compat_12_netbsd32_msync_args /* {
102		syscallarg(netbsd32_caddr_t) addr;
103		syscallarg(netbsd32_size_t) len;
104	} */ *uap = v;
105	struct sys___msync13_args ua;
106
107	NETBSD32TOX64_UAP(addr, caddr_t);
108	NETBSD32TOX_UAP(len, size_t);
109	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
110	return (sys___msync13(p, &ua, retval));
111}
112
113int
114compat_12_netbsd32_oswapon(p, v, retval)
115	struct proc *p;
116	void *v;
117	register_t *retval;
118{
119	struct compat_12_netbsd32_oswapon_args /* {
120		syscallarg(const netbsd32_charp) name;
121	} */ *uap = v;
122	struct sys_swapctl_args ua;
123
124	SCARG(&ua, cmd) = SWAP_ON;
125	SCARG(&ua, arg) = (void *)(u_long)SCARG(uap, name);
126	SCARG(&ua, misc) = 0;	/* priority */
127	return (sys_swapctl(p, &ua, retval));
128}
129
130int
131compat_12_netbsd32_stat12(p, v, retval)
132	struct proc *p;
133	void *v;
134	register_t *retval;
135{
136	struct compat_12_netbsd32_stat12_args /* {
137		syscallarg(const netbsd32_charp) path;
138		syscallarg(netbsd32_stat12p_t) ub;
139	} */ *uap = v;
140	struct netbsd32_stat12 *sp32, sb32;
141	struct stat12 sb12;
142	struct stat12 *sp12 = &sb12;
143	struct compat_12_sys_stat_args ua;
144	caddr_t sg;
145	int rv;
146
147	NETBSD32TOP_UAP(path, const char);
148	SCARG(&ua, ub) = &sb12;
149	sg = stackgap_init(p->p_emul);
150	CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));
151
152	rv = compat_12_sys_stat(p, &ua, retval);
153	if (rv)
154		return (rv);
155
156	sp32 = (struct netbsd32_stat12 *)(u_long)SCARG(uap, ub);
157	netbsd32_stat12_to_netbsd32(sp12, &sb32);
158
159	return (copyout(&sb32, sp32, sizeof sb32));
160}
161
162int
163compat_12_netbsd32_fstat12(p, v, retval)
164	struct proc *p;
165	void *v;
166	register_t *retval;
167{
168	struct compat_12_netbsd32_fstat12_args /* {
169		syscallarg(int) fd;
170		syscallarg(netbsd32_stat12p_t) sb;
171	} */ *uap = v;
172	struct netbsd32_stat12 *sp32, sb32;
173	struct stat12 sb12;
174	struct stat12 *sp12 = &sb12;
175	struct compat_12_sys_fstat_args ua;
176	int rv;
177
178	NETBSD32TO64_UAP(fd);
179	SCARG(&ua, sb) = &sb12;
180	rv = compat_12_sys_fstat(p, &ua, retval);
181	if (rv)
182		return (rv);
183
184	sp32 = (struct netbsd32_stat12 *)(u_long)SCARG(uap, sb);
185	netbsd32_stat12_to_netbsd32(sp12, &sb32);
186
187	return (copyout(&sb32, sp32, sizeof sb32));
188}
189
190int
191compat_12_netbsd32_lstat12(p, v, retval)
192	struct proc *p;
193	void *v;
194	register_t *retval;
195{
196	struct compat_12_netbsd32_lstat12_args /* {
197		syscallarg(const netbsd32_charp) path;
198		syscallarg(netbsd32_stat12p_t) ub;
199	} */ *uap = v;
200	struct netbsd32_stat12 *sp32, sb32;
201	struct stat12 sb12;
202	struct stat12 *sp12 = &sb12;
203	struct compat_12_sys_lstat_args ua;
204	caddr_t sg;
205	int rv;
206
207	NETBSD32TOP_UAP(path, const char);
208	SCARG(&ua, ub) = &sb12;
209	sg = stackgap_init(p->p_emul);
210	CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));
211
212	rv = compat_12_sys_lstat(p, &ua, retval);
213	if (rv)
214		return (rv);
215
216	sp32 = (struct netbsd32_stat12 *)(u_long)SCARG(uap, ub);
217	netbsd32_stat12_to_netbsd32(sp12, &sb32);
218
219	return (copyout(&sb32, sp32, sizeof sb32));
220}
221
222int
223compat_12_netbsd32_getdirentries(p, v, retval)
224	struct proc *p;
225	void *v;
226	register_t *retval;
227{
228	struct compat_12_netbsd32_getdirentries_args /* {
229		syscallarg(int) fd;
230		syscallarg(netbsd32_charp) buf;
231		syscallarg(u_int) count;
232		syscallarg(netbsd32_longp) basep;
233	} */ *uap = v;
234	struct compat_12_sys_getdirentries_args ua;
235
236	NETBSD32TO64_UAP(fd);
237	NETBSD32TOP_UAP(buf, char);
238	NETBSD32TO64_UAP(count);
239	NETBSD32TOP_UAP(basep, long);
240
241	return (compat_12_sys_getdirentries(p, &ua, retval));
242}
243