1 | /* Indirect system call. Linux generic implementation. |
2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <stdarg.h> |
20 | #include <sysdep.h> |
21 | |
22 | long int |
23 | syscall (long int number, ...) |
24 | { |
25 | va_list args; |
26 | |
27 | va_start (args, number); |
28 | long int a0 = va_arg (args, long int); |
29 | long int a1 = va_arg (args, long int); |
30 | long int a2 = va_arg (args, long int); |
31 | long int a3 = va_arg (args, long int); |
32 | long int a4 = va_arg (args, long int); |
33 | long int a5 = va_arg (args, long int); |
34 | va_end (args); |
35 | |
36 | long int r = INTERNAL_SYSCALL_NCS_CALL (number, a0, a1, a2, a3, a4, a5); |
37 | if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (r))) |
38 | { |
39 | __set_errno (-r); |
40 | return -1; |
41 | } |
42 | return r; |
43 | } |
44 | |