| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Kprobes event arguments with types |
| |
| [ -f kprobe_events ] || exit_unsupported # this is configurable |
| |
| grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue |
| |
| echo 0 > events/enable |
| echo > kprobe_events |
| enable_tracing |
| |
| echo 'p:testprobe _do_fork $stack0:s32 $stack0:u32 $stack0:x32 $stack0:b8@4/32' > kprobe_events |
| grep testprobe kprobe_events |
| test -d events/kprobes/testprobe |
| |
| echo 1 > events/kprobes/testprobe/enable |
| ( echo "forked") |
| echo 0 > events/kprobes/testprobe/enable |
| ARGS=`tail -n 1 trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'` |
| |
| check_types() { |
| X1=`printf "%x" $1 | tail -c 8` |
| X2=`printf "%x" $2` |
| X3=`printf "%x" $3` |
| test $X1 = $X2 |
| test $X2 = $X3 |
| test 0x$X3 = $3 |
| |
| B4=`printf "%02x" $4` |
| B3=`echo -n $X3 | tail -c 3 | head -c 2` |
| test $B3 = $B4 |
| } |
| check_types $ARGS |
| |
| echo "-:testprobe" >> kprobe_events |
| clear_trace |
| test -d events/kprobes/testprobe && exit 1 || exit 0 |
