glibc/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S

42 lines
1.2 KiB
ArmAsm

/* Copyright (C) 2004-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <tcb-offsets.h>
.text
.globl __syscall_error
ENTRY(__libc_vfork)
LOADSYSCALL(vfork)
ta 0x10
bcc 2f
mov %o7, %g1
call __syscall_error
mov %g1, %o7
2: sub %o1, 1, %o1
andcc %o0, %o1, %o0
1: retl
nop
END(__libc_vfork)
#if IS_IN (libc)
weak_alias (__libc_vfork, vfork)
strong_alias (__libc_vfork, __vfork)
libc_hidden_def (__vfork)
#endif