1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: Kprobes event arguments with types
4
5[ -f kprobe_events ] || exit_unsupported # this is configurable
6
7grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue
8
9echo 0 > events/enable
10echo > kprobe_events
11enable_tracing
12
13echo 'p:testprobe _do_fork $stack0:s32 $stack0:u32 $stack0:x32 $stack0:b8@4/32' > kprobe_events
14grep testprobe kprobe_events
15test -d events/kprobes/testprobe
16
17echo 1 > events/kprobes/testprobe/enable
18( echo "forked")
19echo 0 > events/kprobes/testprobe/enable
20ARGS=`tail -n 1 trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
21
22check_types() {
23  X1=`printf "%x" $1 | tail -c 8`
24  X2=`printf "%x" $2`
25  X3=`printf "%x" $3`
26  test $X1 = $X2
27  test $X2 = $X3
28  test 0x$X3 = $3
29
30  B4=`printf "%02x" $4`
31  B3=`echo -n $X3 | tail -c 3 | head -c 2`
32  test $B3 = $B4
33}
34check_types $ARGS
35
36echo "-:testprobe" >> kprobe_events
37clear_trace
38test -d events/kprobes/testprobe && exit_fail || exit_pass
39