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
194
195
196
197
198
199
200
201
202
203
204
205
|
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "linux-syscalls.h"
#include <unistd.h>
#include <signal.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <errno.h>
#if defined(__arm__)
# if defined(__thumb__) || defined(__ARM_EABI__)
# define UV_SYSCALL_BASE 0
# else
# define UV_SYSCALL_BASE 0x900000
# endif
#endif /* __arm__ */
#ifndef __NR_recvmmsg
# if defined(__x86_64__)
# define __NR_recvmmsg 299
# elif defined(__i386__)
# define __NR_recvmmsg 337
# elif defined(__arm__)
# define __NR_recvmmsg (UV_SYSCALL_BASE + 365)
# endif
#endif /* __NR_recvmsg */
#ifndef __NR_sendmmsg
# if defined(__x86_64__)
# define __NR_sendmmsg 307
# elif defined(__i386__)
# define __NR_sendmmsg 345
# elif defined(__arm__)
# define __NR_sendmmsg (UV_SYSCALL_BASE + 374)
# endif
#endif /* __NR_sendmmsg */
#ifndef __NR_utimensat
# if defined(__x86_64__)
# define __NR_utimensat 280
# elif defined(__i386__)
# define __NR_utimensat 320
# elif defined(__arm__)
# define __NR_utimensat (UV_SYSCALL_BASE + 348)
# endif
#endif /* __NR_utimensat */
#ifndef __NR_preadv
# if defined(__x86_64__)
# define __NR_preadv 295
# elif defined(__i386__)
# define __NR_preadv 333
# elif defined(__arm__)
# define __NR_preadv (UV_SYSCALL_BASE + 361)
# endif
#endif /* __NR_preadv */
#ifndef __NR_pwritev
# if defined(__x86_64__)
# define __NR_pwritev 296
# elif defined(__i386__)
# define __NR_pwritev 334
# elif defined(__arm__)
# define __NR_pwritev (UV_SYSCALL_BASE + 362)
# endif
#endif /* __NR_pwritev */
#ifndef __NR_dup3
# if defined(__x86_64__)
# define __NR_dup3 292
# elif defined(__i386__)
# define __NR_dup3 330
# elif defined(__arm__)
# define __NR_dup3 (UV_SYSCALL_BASE + 358)
# endif
#endif /* __NR_pwritev */
#ifndef __NR_statx
# if defined(__x86_64__)
# define __NR_statx 332
# elif defined(__i386__)
# define __NR_statx 383
# elif defined(__aarch64__)
# define __NR_statx 397
# elif defined(__arm__)
# define __NR_statx (UV_SYSCALL_BASE + 397)
# elif defined(__ppc__)
# define __NR_statx 383
# elif defined(__s390__)
# define __NR_statx 379
# endif
#endif /* __NR_statx */
#ifndef __NR_getrandom
# if defined(__x86_64__)
# define __NR_getrandom 318
# elif defined(__i386__)
# define __NR_getrandom 355
# elif defined(__aarch64__)
# define __NR_getrandom 384
# elif defined(__arm__)
# define __NR_getrandom (UV_SYSCALL_BASE + 384)
# elif defined(__ppc__)
# define __NR_getrandom 359
# elif defined(__s390__)
# define __NR_getrandom 349
# endif
#endif /* __NR_getrandom */
struct uv__mmsghdr;
int uv__sendmmsg(int fd,
struct uv__mmsghdr* mmsg,
unsigned int vlen,
unsigned int flags) {
#if defined(__NR_sendmmsg)
return syscall(__NR_sendmmsg, fd, mmsg, vlen, flags);
#else
return errno = ENOSYS, -1;
#endif
}
int uv__recvmmsg(int fd,
struct uv__mmsghdr* mmsg,
unsigned int vlen,
unsigned int flags,
struct timespec* timeout) {
#if defined(__NR_recvmmsg)
return syscall(__NR_recvmmsg, fd, mmsg, vlen, flags, timeout);
#else
return errno = ENOSYS, -1;
#endif
}
ssize_t uv__preadv(int fd, const struct iovec *iov, int iovcnt, int64_t offset) {
#if defined(__NR_preadv)
return syscall(__NR_preadv, fd, iov, iovcnt, (long)offset, (long)(offset >> 32));
#else
return errno = ENOSYS, -1;
#endif
}
ssize_t uv__pwritev(int fd, const struct iovec *iov, int iovcnt, int64_t offset) {
#if defined(__NR_pwritev)
return syscall(__NR_pwritev, fd, iov, iovcnt, (long)offset, (long)(offset >> 32));
#else
return errno = ENOSYS, -1;
#endif
}
int uv__dup3(int oldfd, int newfd, int flags) {
#if defined(__NR_dup3)
return syscall(__NR_dup3, oldfd, newfd, flags);
#else
return errno = ENOSYS, -1;
#endif
}
int uv__statx(int dirfd,
const char* path,
int flags,
unsigned int mask,
struct uv__statx* statxbuf) {
/* __NR_statx make Android box killed by SIGSYS.
* That looks like a seccomp2 sandbox filter rejecting the system call.
*/
#if defined(__NR_statx) && !defined(__ANDROID__)
return syscall(__NR_statx, dirfd, path, flags, mask, statxbuf);
#else
return errno = ENOSYS, -1;
#endif
}
ssize_t uv__getrandom(void* buf, size_t buflen, unsigned flags) {
#if defined(__NR_getrandom)
return syscall(__NR_getrandom, buf, buflen, flags);
#else
return errno = ENOSYS, -1;
#endif
}
|
