1 /*-
2 * Copyright (c) 1994 Christos Zoulas
3 * Copyright (c) 1995 Frank van der Linden
4 * Copyright (c) 1995 Scott Bartram
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, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp
30 * from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp
31 * $FreeBSD: src/sys/compat/linux/linux_util.h,v 1.30 2008/04/08 09:45:47 kib Exp $
32 */
33
34 /*
35 * This file is pretty much the same as Christos' svr4_util.h
36 * (for now).
37 */
38
39 #ifndef _LINUX_UTIL_H_
40 #define _LINUX_UTIL_H_
41
42 #include <vm/vm.h>
43 #include <vm/vm_param.h>
44 #include <vm/pmap.h>
45 #include <machine/vmparam.h>
46 #include <sys/exec.h>
47 #include <sys/sysent.h>
48 #include <sys/syslog.h>
49 #include <sys/cdefs.h>
50 #include <sys/uio.h>
51
52 extern const char linux_emul_path[];
53
54 int linux_emul_convpath(struct thread *, const char *, enum uio_seg, char **, int, int);
55
56 #define LCONVPATH_AT(td, upath, pathp, i, dfd) \
57 do { \
58 int _error; \
59 \
60 _error = linux_emul_convpath(td, upath, UIO_USERSPACE, \
61 pathp, i, dfd); \
62 if (*(pathp) == NULL) \
63 return (_error); \
64 } while (0)
65
66 #define LCONVPATH(td, upath, pathp, i) \
67 LCONVPATH_AT(td, upath, pathp, i, AT_FDCWD)
68
69 #define LCONVPATHEXIST(td, upath, pathp) LCONVPATH(td, upath, pathp, 0)
70 #define LCONVPATHEXIST_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 0, dfd)
71 #define LCONVPATHCREAT(td, upath, pathp) LCONVPATH(td, upath, pathp, 1)
72 #define LCONVPATHCREAT_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 1, dfd)
73 #define LFREEPATH(path) free(path, M_TEMP)
74
75 #define DUMMY(s) \
76 int \
77 linux_ ## s(struct thread *td, struct linux_ ## s ## _args *args) \
78 { \
79 static pid_t pid; \
80 \
81 if (pid != td->td_proc->p_pid) { \
82 linux_msg(td, "syscall %s not implemented", #s); \
83 pid = td->td_proc->p_pid; \
84 }; \
85 return (ENOSYS); \
86 } \
87 struct __hack
88
89 void linux_msg(const struct thread *td, const char *fmt, ...)
90 __printflike(2, 3);
91
92 struct linux_device_handler {
93 char *bsd_driver_name;
94 char *linux_driver_name;
95 char *bsd_device_name;
96 char *linux_device_name;
97 int linux_major;
98 int linux_minor;
99 int linux_char_device;
100 };
101
102 int linux_device_register_handler(struct linux_device_handler *h);
103 int linux_device_unregister_handler(struct linux_device_handler *h);
104 char *linux_driver_get_name_dev(device_t dev);
105 int linux_driver_get_major_minor(char *node, int *major, int *minor);
106 char *linux_get_char_devices(void);
107 void linux_free_get_char_devices(char *string);
108
109 #endif /* !_LINUX_UTIL_H_ */
110 Cache object: ab9dc1c03d011fcf47a77a783d1fa043
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