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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/* ==== syscall.S ============================================================
* Copyright (c) 1990 The Regents of the University of California.
* Copyright (c) 1993 Chris Provenzano, proven@mit.edu
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* Description : Machine dependent syscalls for i386/i486/i586
*
* 1.00 93/08/26 proven
* -Started coding this file.
*
* 1.01 93/11/13 proven
* -The functions readv() and writev() added.
*/
#ifndef lint
.text
.asciz "$Id$";
#endif
#if defined(SYSLIBC_SCCS) && !defined(lint)
.asciz "@(#)syscall.s 5.1 (Berkeley) 4/23/90"
#endif /* SYSLIBC_SCCS and not lint */
#include <machine/asm.h>
#include <sys/syscall.h>
/*
* Initial asm stuff for all functions.
*/
.text
.align 0
/* ==========================================================================
* machdep_sys_fork()
*/
.globl _C_LABEL(machdep_sys_fork);
_C_LABEL(machdep_sys_fork):;
swi SYS_fork
bcs 1f
sub r1, r1, #0x00000001
and r0, r0, r1
mov r15, r14
/* ==========================================================================
* machdep_sys_fstat()
*/
.globl _C_LABEL(machdep_sys_fstat);
_C_LABEL(machdep_sys_fstat):;
swi SYS___fstat13
bcs 1f
mov r15, r14
/* ==========================================================================
* machdep_sys___syscall()
*/
_machdep_sys___syscall:;
swi SYS___syscall
bcs 1f
mov r15, r14
#ifndef SYS___sigsuspend14
/* ==========================================================================
* machdep_sys_sigsuspend()
*/
.globl _C_LABEL(machdep_sys_sigsuspend);
_C_LABEL(machdep_sys_sigsuspend):;
ldr r0, [r0]
swi SYS_sigsuspend
bcs 1f
mov r0, #0x00000000
mov r15, r14
#endif
#ifndef SYS___sigprocmask14
/* ==========================================================================
* machdep_sys_sigprocmask()
*/
.globl _C_LABEL(machdep_sys_sigprocmask);
_C_LABEL(machdep_sys_sigprocmask):;
teq r1, #0x00000000
moveq r0, #0x00000001
moveq r1, #0x00000000
ldrne r1, [r1]
swi SYS_sigprocmask
bcs 1f
teq r2, #0x00000000
strne r0, [r2]
mov r0, #0x00000000
mov r15, r14
#endif
/* ==========================================================================
* machdep_sys_ftruncate()
*/
.global _C_LABEL(machdep_sys_ftruncate)
_C_LABEL(machdep_sys_ftruncate):
mov r12, r13
stmfd r13!, {r11, r12, r14, r15}
sub r13, r13, #8
stmia r13, {r1-r2}
mov r3, #0
sub r11, r12, #4
mov r2, r0
mov r1, #0
mov r0, #201
bl _machdep_sys___syscall
ldmea r11, {r11, r13, r15}
/* ==========================================================================
* machdep_sys_lseek()
*/
.global _C_LABEL(machdep_sys_lseek)
_C_LABEL(machdep_sys_lseek):
mov r12, r13
stmfd r13!, {r11, r12, r14, r15}
str r3, [r13, #-4]!
sub r13, r13, #8
stmia r13, {r1-r2}
sub r11, r12, #4
mov r3, #0
mov r2, r0
mov r1, #0
mov r0, #SYS_lseek
bl _machdep_sys___syscall
ldmea r11, {r11, r13, r15}
/* ==========================================================================
* machdep_sys_pipe()
*/
.globl _C_LABEL(machdep_sys_pipe);
_C_LABEL(machdep_sys_pipe):;
mov r2, r0
swi SYS_pipe
bcs 1f
str r0, [r2, #0x0000]
str r1, [r2, #0x0004]
mov r0, #0x00000000
mov r15, r14
1:
rsb r0, r0, #0x00000000
mvn r1, #0x00000000
mov r15, r14
|
