1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: Kprobe event char type argument
4# requires: kprobe_events
5
6case `uname -m` in
7x86_64)
8  ARG1=%di
9;;
10i[3456]86)
11  ARG1=%ax
12;;
13aarch64)
14  ARG1=%x0
15;;
16arm*)
17  ARG1=%r0
18;;
19ppc64*)
20  ARG1=%r3
21;;
22ppc*)
23  ARG1=%r3
24;;
25s390*)
26  ARG1=%r2
27;;
28mips*)
29  ARG1=%r4
30;;
31*)
32  echo "Please implement other architecture here"
33  exit_untested
34esac
35
36: "Test get argument (1)"
37echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):char" > kprobe_events
38echo 1 > events/kprobes/testprobe/enable
39echo "p:test $FUNCTION_FORK" >> kprobe_events
40grep -qe "testprobe.* arg1='t'" trace
41
42echo 0 > events/kprobes/testprobe/enable
43: "Test get argument (2)"
44echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):char arg2=+0(${ARG1}):char[4]" > kprobe_events
45echo 1 > events/kprobes/testprobe/enable
46echo "p:test $FUNCTION_FORK" >> kprobe_events
47grep -qe "testprobe.* arg1='t' arg2={'t','e','s','t'}" trace
48