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04277e02 | 1 | /* Copyright (C) 2004-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
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15 | License along with the GNU C Library. If not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <sysdep.h> | |
19 | #include <tcb-offsets.h> | |
20 | ||
82aab97c | 21 | ENTRY(__libc_vfork) |
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22 | PSEUDO_PROLOGUE |
23 | ||
24 | /* Load the thread pointer value in A1 across the vfork. */ | |
25 | rduniq | |
26 | mov v0, a1 | |
27 | ||
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28 | lda v0, SYS_ify(vfork) |
29 | call_pal PAL_callsys | |
76deb697 | 30 | |
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31 | /* Normal error check and return. */ |
32 | bne a3, SYSCALL_ERROR_LABEL | |
33 | ret | |
76deb697 | 34 | |
82aab97c | 35 | PSEUDO_END (__libc_vfork) |
e2fa4bc2 | 36 | |
4f41c682 | 37 | #if IS_IN (libc) |
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38 | weak_alias (__libc_vfork, vfork) |
39 | strong_alias (__libc_vfork, __vfork) | |
40 | libc_hidden_def (__vfork) | |
e2fa4bc2 | 41 | #endif |