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
|
/* Taken from the Darwin Libc source
*/
/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 1.1 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
*
* File: SYS.h
*
* Definition of the user side of the UNIX system call interface
* for M98K.
*
* Errors are flagged by the location of the trap return (ie., which
* instruction is executed upon rfi):
*
* SC PC + 4: Error (typically branch to cerror())
* SC PC + 8: Success
*
* HISTORY
* 18-Nov-92 Ben Fathi (benf@next.com)
* Ported to m98k.
*
* 9-Jan-92 Peter King (king@next.com)
* Created.
*/
#define KERNEL_PRIVATE 1
/*
* Header files.
*/
#import <architecture/ppc/asm_help.h>
#import <architecture/ppc/pseudo_inst.h>
#import <mach/ppc/exception.h>
#import <sys/syscall.h>
/* From rhapsody kernel mach/ppc/syscall_sw.h */
#define kernel_trap_args_0
#define kernel_trap_args_1
#define kernel_trap_args_2
#define kernel_trap_args_3
#define kernel_trap_args_4
#define kernel_trap_args_5
#define kernel_trap_args_6
#define kernel_trap_args_7
/*
* simple_kernel_trap -- Mach system calls with 8 or less args
* Args are passed in a0 - a7, system call number in r0.
* Do a "sc" instruction to enter kernel.
*/
#define simple_kernel_trap(trap_name, trap_number) \
.globl _##trap_name @\
_##trap_name: @\
li r0,trap_number @\
sc @\
blr @\
END(trap_name)
#define kernel_trap_0(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_1(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_2(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_3(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_4(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_5(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_6(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_7(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_8(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
#define kernel_trap_9(trap_name,trap_number) \
simple_kernel_trap(trap_name,trap_number)
/* End of rhapsody kernel mach/ppc/syscall_sw.h */
/*
* Macros.
*/
#define SYSCALL(name, nargs) \
.globl cerror @\
LEAF(_##name) @\
kernel_trap_args_##nargs @\
li r0,SYS_##name @\
sc @\
b 1f @\
b 2f @\
1: BRANCH_EXTERN(cerror) @\
.text \
2: nop
#define SYSCALL_NONAME(name, nargs) \
.globl cerror @\
kernel_trap_args_##nargs @\
li r0,SYS_##name @\
sc @\
b 1f @\
b 2f @\
1: BRANCH_EXTERN(cerror) @\
.text \
2: nop
#define PSEUDO(pseudo, name, nargs) \
LEAF(_##pseudo) @\
SYSCALL_NONAME(name, nargs)
#undef END
#import <mach/ppc/syscall_sw.h>
#if !defined(SYS_getdirentriesattr)
#define SYS_getdirentriesattr 222
#endif
#if !defined(SYS_semsys)
#define SYS_semsys 251
#define SYS_msgsys 252
#define SYS_shmsys 253
#define SYS_semctl 254
#define SYS_semget 255
#define SYS_semop 256
#define SYS_semconfig 257
#define SYS_msgctl 258
#define SYS_msgget 259
#define SYS_msgsnd 260
#define SYS_msgrcv 261
#define SYS_shmat 262
#define SYS_shmctl 263
#define SYS_shmdt 264
#define SYS_shmget 265
#endif
|