cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kprobe_multiprobe.tc (882B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3# description: Create/delete multiprobe on kprobe event
      4# requires: kprobe_events "Create/append/":README
      5
      6# Choose 2 symbols for target
      7SYM1=$FUNCTION_FORK
      8SYM2=do_exit
      9EVENT_NAME=kprobes/testevent
     10
     11DEF1="p:$EVENT_NAME $SYM1"
     12DEF2="p:$EVENT_NAME $SYM2"
     13
     14:;: "Define an event which has 2 probes" ;:
     15echo $DEF1 >> kprobe_events
     16echo $DEF2 >> kprobe_events
     17cat kprobe_events | grep "$DEF1"
     18cat kprobe_events | grep "$DEF2"
     19
     20:;: "Remove the event by name (should remove both)" ;:
     21echo "-:$EVENT_NAME" >> kprobe_events
     22test `cat kprobe_events | wc -l` -eq 0
     23
     24:;: "Remove just 1 event" ;:
     25echo $DEF1 >> kprobe_events
     26echo $DEF2 >> kprobe_events
     27echo "-:$EVENT_NAME $SYM1" >> kprobe_events
     28! cat kprobe_events | grep "$DEF1"
     29cat kprobe_events | grep "$DEF2"
     30
     31:;: "Appending different type must fail" ;:
     32! echo "$DEF1 \$stack" >> kprobe_events