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/* Copyright (C) 1991, 92, 94, 95, 97, 99 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
.text;
.global fork;
.align 4;
fork: ;
.type fork ,@function; ;
mov 2, %g1 ;
ta 0x10;
bcc,a 9000f;
nop;
save %sp,-96,%sp;
call __errno_location;
nop;
st %i0,[%o0];
jmpl %i7+8,%g0;
restore %g0,-1,%o0; ;
9000:;
/* %o1 is now 0 for the parent and 1 for the child. Decrement it to
make it -1 (all bits set) for the parent, and 0 (no bits set)
for the child. Then AND it with %o0, so the parent gets
%o0&-1==pid, and the child gets %o0&0==0. */
sub %o1, 1, %o1
retl
and %o0, %o1, %o0
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