mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
47 lines
1.3 KiB
ArmAsm
47 lines
1.3 KiB
ArmAsm
/* Copyright (C) 2004 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
#include <tcb-offsets.h>
|
|
|
|
.text
|
|
ENTRY(__vfork)
|
|
ld [%g7 + PID], %o5
|
|
cmp %o5, 0
|
|
bne 1f
|
|
sub %g0, %o5, %o4
|
|
sethi %hi(0x80000000), %o4
|
|
1: st %o4, [%g7 + PID]
|
|
|
|
LOADSYSCALL(vfork)
|
|
ta 0x10
|
|
bcs,a __syscall_error_handler
|
|
st %o5, [%g7 + PID]
|
|
SYSCALL_ERROR_HANDLER
|
|
sub %o1, 1, %o1
|
|
andcc %o0, %o1, %o0
|
|
bne,a 1f
|
|
st %o5, [%g7 + PID]
|
|
1: retl
|
|
nop
|
|
|
|
PSEUDO_END (__vfork)
|
|
libc_hidden_def (__vfork)
|
|
weak_alias (__vfork, vfork)
|