aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/sco3.2.4/uname.S
blob: c56dd4dc08ae2ac936af660f3db4e0460626ac9e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/* Copyright (C) 1993, 1994, 1997 Free Software Foundation, Inc.
   Contributed by Scott Bartram.
   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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <sysdep.h>

/*
    before lcall, stack contents should be:

	4(%esp) -> name
	8(%esp) -> unspecified
	12(%esp) -> 0
 */

ENTRY (uname)
	pushl $0x0		/* Push the discriminator flag.  */
	pushl $0x0		/* Push dummy placeholder.  */
	pushl 12(%esp,1)	/* Push NAME (ptr to struct utsname)  */
	subl $0x4, %esp		/* Adjust stack pointer.  */
	DO_CALL (utssys, 3)
	jb error		/* Test for error.  */
	addl $0x10, %esp	/* Adjust the stack pointer.  */
	xorl %eax, %eax		/* Clear return value.  */
	ret
error:	addl $0x10, %esp	/* Adjust the stack pointer.  */
	jmp syscall_error