| 1 | /* Copyright (C) 2004-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 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 |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <sysdep.h> |
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| 19 | #include <tcb-offsets.h> |
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| 20 | |
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| 21 | ENTRY(__libc_vfork) |
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| 22 | PSEUDO_PROLOGUE |
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| 23 | |
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| 24 | /* Load the thread pointer value in A1 across the vfork. */ |
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| 25 | rduniq |
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| 26 | mov v0, a1 |
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| 27 | |
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| 28 | lda v0, SYS_ify(vfork) |
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| 29 | call_pal PAL_callsys |
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| 30 | |
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| 31 | /* Normal error check and return. */ |
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| 32 | bne a3, SYSCALL_ERROR_LABEL |
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| 33 | ret |
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| 34 | |
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| 35 | PSEUDO_END (__libc_vfork) |
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| 36 | |
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| 37 | #if IS_IN (libc) |
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| 38 | weak_alias (__libc_vfork, vfork) |
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| 39 | strong_alias (__libc_vfork, __vfork) |
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| 40 | libc_hidden_def (__vfork) |
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| 41 | #endif |
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| 42 | |
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