xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/i386/pid/tst.uregswrite.d (revision 45ede40b2394db7967e59f19288fae9b62efd4aa)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2017 Joyent, Inc.
14  */
15 
16 
17 #pragma D option quiet
18 #pragma D option destructive
19 
20 pid$1:a.out:startup_wait:entry
21 {
22 	this->val = (int *)alloca(sizeof (int));
23 	*this->val = 0;
24 	copyout(this->val, arg0, sizeof (int));
25 }
26 
27 pid$1:a.out:baz:return
28 {
29 	uregs[R_EAX] = 1;
30 }
31 
32 pid$1:a.out:bar:return
33 /(uregs[R_EAX] % 2) != 0/
34 {
35 	uregs[R_EAX] += 1;
36 }
37 
38 syscall::rexit:entry
39 /pid == $1/
40 {
41 	exit(arg0);
42 }
43