xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/sparc/pid/tst.embedded.S (revision 5d9d9091f564c198a760790b0bfa72c44e17912b)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include <sys/asm_linkage.h>
28
29	DGDEF(__fsr_init_value)
30	.word 0
31
32	ENTRY(waiting)
33	retl
34	ldub	[%o0], %o0
35	SET_SIZE(waiting)
36
37	ENTRY(main)
38	save	%sp, -SA(MINFRAME + 4), %sp
39	stb	%g0, [%fp - 4]
401:
41	call	waiting
42	sub	%fp, 4, %o0
43	tst	%o0
44	bz	1b
45	nop
46
47	restore
48
49	ALTENTRY(inner)
50	nop
51	nop
52	nop
53	SET_SIZE(inner)
54
55	retl
56	clr	%o0
57	SET_SIZE(main)
58