| /* 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 |
| .globl __syscall_error |
| ENTRY(__vfork) |
| ld [%g7 + PID], %o5 |
| sethi %hi(0x80000000), %o3 |
| cmp %o5, 0 |
| sub %g0, %o5, %o4 |
| move %icc, %o3, %o4 |
| st %o4, [%g7 + PID] |
| |
| LOADSYSCALL(vfork) |
| ta 0x6d |
| bcc,pt %xcc, 2f |
| mov %o7, %g1 |
| st %o5, [%g7 + PID] |
| call __syscall_error |
| mov %g1, %o7 |
| 2: sub %o1, 1, %o1 |
| andcc %o0, %o1, %o0 |
| bne,a,pt %icc, 1f |
| st %o5, [%g7 + PID] |
| 1: retl |
| nop |
| END(__vfork) |
| |
| libc_hidden_def (__vfork) |
| weak_alias (__vfork, vfork) |
