1 | /* vfork for Nios II Linux. |
2 | Copyright (C) 2005-2022 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 <sysdep.h> |
20 | #include <tcb-offsets.h> |
21 | |
22 | ENTRY(__vfork) |
23 | |
24 | movi r4, 0x4111 /* (CLONE_VM | CLONE_VFORK | SIGCHLD) */ |
25 | mov r5, zero |
26 | DO_CALL (clone, 2) |
27 | |
28 | bne r7, zero, SYSCALL_ERROR_LABEL |
29 | ret |
30 | |
31 | PSEUDO_END (__vfork) |
32 | libc_hidden_def (__vfork) |
33 | |
34 | weak_alias (__vfork, vfork) |
35 | |