mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 19:00:07 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
73 lines
1.7 KiB
ArmAsm
73 lines
1.7 KiB
ArmAsm
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Richard Henderson (rth@tamu.edu).
|
|
|
|
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. */
|
|
|
|
/* clone() is even more special than fork() as it mucks with stacks
|
|
and invokes a function in the right context after its all over. */
|
|
|
|
#include <asm/errno.h>
|
|
#include <asm/unistd.h>
|
|
|
|
/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
|
|
|
|
.text
|
|
.align 4
|
|
.globl __clone
|
|
.type __clone,@function
|
|
|
|
__clone:
|
|
save %sp,-96,%sp
|
|
|
|
/* sanity check arguments */
|
|
tst %i0
|
|
be .Lerror
|
|
orcc %i1,%g0,%o1
|
|
be .Lerror
|
|
mov %i2,%o0
|
|
|
|
/* Do the system call */
|
|
set __NR_clone,%g1
|
|
ta 0x10
|
|
bcs .Lerror
|
|
tst %o1
|
|
bne __thread_start
|
|
nop
|
|
ret
|
|
restore %o0,%g0,%o0
|
|
|
|
.Lerror:
|
|
call __errno_location
|
|
or %g0,EINVAL,%i0
|
|
st %i0,[%o0]
|
|
ret
|
|
restore %g0,-1,%o0
|
|
|
|
.size __clone, .-__clone
|
|
|
|
.type __thread_start,@function
|
|
|
|
__thread_start:
|
|
call %i0
|
|
mov %i3,%o0
|
|
call _exit,0
|
|
nop
|
|
|
|
.size __thread_start, .-__thread_start
|
|
|
|
weak_alias(__clone, clone)
|