kprobe_args_symbol.tc (1678B)
1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Kprobe event symbol argument 4# requires: kprobe_events 5 6SYMBOL="linux_proc_banner" 7 8if [ ! -f /proc/kallsyms ]; then 9 echo "Can not check the target symbol - please enable CONFIG_KALLSYMS" 10 exit_unresolved 11elif ! grep "$SYMBOL\$" /proc/kallsyms; then 12 echo "Linux banner is not exported - please enable CONFIG_KALLSYMS_ALL" 13 exit_unresolved 14fi 15 16: "Test get basic types symbol argument" 17echo "p:testprobe_u $FUNCTION_FORK arg1=@linux_proc_banner:u64 arg2=@linux_proc_banner:u32 arg3=@linux_proc_banner:u16 arg4=@linux_proc_banner:u8" > kprobe_events 18echo "p:testprobe_s $FUNCTION_FORK arg1=@linux_proc_banner:s64 arg2=@linux_proc_banner:s32 arg3=@linux_proc_banner:s16 arg4=@linux_proc_banner:s8" >> kprobe_events 19if grep -q "x8/16/32/64" README; then 20 echo "p:testprobe_x $FUNCTION_FORK arg1=@linux_proc_banner:x64 arg2=@linux_proc_banner:x32 arg3=@linux_proc_banner:x16 arg4=@linux_proc_banner:x8" >> kprobe_events 21fi 22echo "p:testprobe_bf $FUNCTION_FORK arg1=@linux_proc_banner:b8@4/32" >> kprobe_events 23echo 1 > events/kprobes/enable 24(echo "forked") 25echo 0 > events/kprobes/enable 26grep "testprobe_[usx]:.* arg1=.* arg2=.* arg3=.* arg4=.*" trace 27grep "testprobe_bf:.* arg1=.*" trace 28 29: "Test get string symbol argument" 30echo "p:testprobe_str $FUNCTION_FORK arg1=@linux_proc_banner:string" > kprobe_events 31echo 1 > events/kprobes/enable 32(echo "forked") 33echo 0 > events/kprobes/enable 34RESULT=`grep "testprobe_str" trace | sed -e 's/.* arg1=\(.*\)/\1/'` 35 36RESULT=`echo $RESULT | sed -e 's/.* \((.*)\) \((.*)\) .*/\1 \2/'` 37ORIG=`cat /proc/version | sed -e 's/.* \((.*)\) \((.*)\) .*/\1 \2/'` 38test "$RESULT" = "$ORIG"