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
|
/* $OpenBSD: unixsys.S,v 1.3 2005/01/10 21:50:54 deraadt Exp $ */
/*
* Copyright (c) 2005 Uwe Stuehler <uwe@bsdx.de>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <machine/asm.h>
#include "compat_linux.h"
.text
#define RSYSCALL(x) \
ENTRY(u##x); \
swi __NR_##x; \
b 1f
RSYSCALL(open)
RSYSCALL(read)
RSYSCALL(write)
RSYSCALL(lseek)
RSYSCALL(ioctl)
RSYSCALL(close)
RSYSCALL(exit)
1:
cmn r0, #4096
movcc pc, lr
rsb r0, r0, #0
ldr r1, Lerrno /* XXX clobbers arg1 */
str r0, [r1]
mvn r0, #0
mov pc, lr
Lerrno:
.word errno
ENTRY(__syscall)
ENTRY(syscall)
swi __NR_syscall
b 1b
.data
.global errno
errno:
.word 0
|
