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