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/* Copyright (C) 2022 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>
/* prctl (int option, ...) with 4 optional variadic arguments. */
ENTRY (__prctl)
mov x8, #__NR_prctl
cbz x9, L(skip_args)
gclen x10, c9
ldr c1, [c9]
cmp x10, 16
bls L(skip_args)
ldr c2, [c9,16]
cmp x10, 32
bls L(skip_args)
ldr c3, [c9,32]
cmp x10, 48
bls L(skip_args)
ldr c4, [c9,48]
L(skip_args):
svc 0x0
cmn x0, #4095
b.cs .Lsyscall_error
ret
PSEUDO_END (__prctl)
libc_hidden_def (__prctl)
weak_alias (__prctl, prctl)
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