xref: /freebsd/cddl/contrib/opensolaris/cmd/dtrace/test/tst/i386/pid/tst.branch.s (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <sys/asm_linkage.h>
30
31	DGDEF(__fsr_init_value)
32	.long 0
33
34	ENTRY(waiting)
35	pushl	%ebp
36	movl	%esp, %ebp
37	movl	8(%ebp), %eax
38	movl	(%eax), %eax
39	popl	%ebp
40	ret
41	SET_SIZE(waiting)
42
43	ENTRY(main)
44	pushl	%ebp
45	movl	%esp, %ebp
46	subl	$0x4, %esp
47	movl	$0x0, -4(%ebp)
48
491:
50	leal	-4(%ebp), %eax
51	pushl	%eax
52	call	waiting
53	addl	$0x4, %esp
54
55	testl	%eax, %eax
56	jz	1b
57
58	addl	$0x4, %esp
59
60	xorl	%eax, %eax
61	testl	%eax, %eax
62	jz	other
63
64	ALTENTRY(bad)
65	movl	0x0, %eax
66	SET_SIZE(bad)
67	SET_SIZE(main)
68
69	ENTRY(other)
70	xorl	%eax, %eax
71	popl	%ebp
72	ret
73	SET_SIZE(other)
74