glibc/sysdeps/unix/sysv/linux/alpha/vfork.S

42 lines
1.2 KiB
ArmAsm

/* Copyright (C) 2004-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <tcb-offsets.h>
ENTRY(__libc_vfork)
PSEUDO_PROLOGUE
/* Load the thread pointer value in A1 across the vfork. */
rduniq
mov v0, a1
lda v0, SYS_ify(vfork)
call_pal PAL_callsys
/* Normal error check and return. */
bne a3, SYSCALL_ERROR_LABEL
ret
PSEUDO_END (__libc_vfork)
#if IS_IN (libc)
weak_alias (__libc_vfork, vfork)
strong_alias (__libc_vfork, __vfork)
libc_hidden_def (__vfork)
#endif