forked from divergentdave/strace-android
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ioctl.c
151 lines (143 loc) · 4.51 KB
/
ioctl.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
* Copyright (c) 1991, 1992 Paul Kranenburg <[email protected]>
* Copyright (c) 1993 Branko Lankester <[email protected]>
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <[email protected]>
* Copyright (c) 1996-2001 Wichert Akkerman <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#include <asm/ioctl.h>
static int
compare(const void *a, const void *b)
{
unsigned long code1 = (long) a;
unsigned long code2 = ((struct ioctlent *) b)->code;
return (code1 > code2) ? 1 : (code1 < code2) ? -1 : 0;
}
const struct ioctlent *
ioctl_lookup(long code)
{
struct ioctlent *iop;
code &= (_IOC_NRMASK<<_IOC_NRSHIFT) | (_IOC_TYPEMASK<<_IOC_TYPESHIFT);
iop = bsearch((void*)code, ioctlent,
nioctlents, sizeof(ioctlent[0]), compare);
while (iop > ioctlent) {
iop--;
if (iop->code != code) {
iop++;
break;
}
}
return iop;
}
const struct ioctlent *
ioctl_next_match(const struct ioctlent *iop)
{
long code;
code = iop->code;
iop++;
if (iop < ioctlent + nioctlents && iop->code == code)
return iop;
return NULL;
}
int
ioctl_decode(struct tcb *tcp, long code, long arg)
{
switch ((code >> 8) & 0xff) {
#if defined(ALPHA) || defined(POWERPC)
case 'f': case 't': case 'T':
#else /* !ALPHA */
case 0x54:
#endif /* !ALPHA */
return term_ioctl(tcp, code, arg);
case 0x89:
return sock_ioctl(tcp, code, arg);
case 'p':
return rtc_ioctl(tcp, code, arg);
case 0x03:
case 0x12:
return block_ioctl(tcp, code, arg);
case 0x22:
return scsi_ioctl(tcp, code, arg);
case 'L':
return loop_ioctl(tcp, code, arg);
case 'M':
return mtd_ioctl(tcp, code, arg);
#ifdef HAVE_LINUX_BINDER_H
case 'b':
return openbinder_ioctl(tcp, code, arg);
#endif
default:
break;
}
return 0;
}
/*
* Registry of ioctl characters, culled from
* @(#)ioccom.h 1.7 89/06/16 SMI; from UCB ioctl.h 7.1 6/4/86
*
* char file where defined notes
* ---- ------------------ -----
* F sun/fbio.h
* G sun/gpio.h
* H vaxif/if_hy.h
* M sundev/mcpcmd.h *overlap*
* M sys/modem.h *overlap*
* S sys/stropts.h
* T sys/termio.h -no overlap-
* T sys/termios.h -no overlap-
* V sundev/mdreg.h
* a vaxuba/adreg.h
* d sun/dkio.h -no overlap with sys/des.h-
* d sys/des.h (possible overlap)
* d vax/dkio.h (possible overlap)
* d vaxuba/rxreg.h (possible overlap)
* f sys/filio.h
* g sunwindow/win_ioctl.h -no overlap-
* g sunwindowdev/winioctl.c !no manifest constant! -no overlap-
* h sundev/hrc_common.h
* i sys/sockio.h *overlap*
* i vaxuba/ikreg.h *overlap*
* k sundev/kbio.h
* m sundev/msio.h (possible overlap)
* m sundev/msreg.h (possible overlap)
* m sys/mtio.h (possible overlap)
* n sun/ndio.h
* p net/nit_buf.h (possible overlap)
* p net/nit_if.h (possible overlap)
* p net/nit_pf.h (possible overlap)
* p sundev/fpareg.h (possible overlap)
* p sys/sockio.h (possible overlap)
* p vaxuba/psreg.h (possible overlap)
* q sun/sqz.h
* r sys/sockio.h
* s sys/sockio.h
* t sys/ttold.h (possible overlap)
* t sys/ttycom.h (possible overlap)
* v sundev/vuid_event.h *overlap*
* v sys/vcmd.h *overlap*
*
* End of Registry
*/