#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event string type argument # requires: kprobe_events case `uname -m` in x86_64) ARG1=%di ;; i[3456]86) ARG1=%ax ;; aarch64) ARG1=%x0 ;; arm*) ARG1=%r0 ;; ppc64*) ARG1=%r3 ;; ppc*) ARG1=%r3 ;; s390*) ARG1=%r2 ;; mips*) ARG1=%r4 ;; loongarch*) ARG1=%r4 ;; *) echo "Please implement other architecture here" exit_untested esac : "Test get argument (1)" echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string" > kprobe_events echo 1 > events/kprobes/testprobe/enable echo "p:test $FUNCTION_FORK" >> kprobe_events grep -qe "testprobe.* arg1=\"test\"" trace echo 0 > events/kprobes/testprobe/enable : "Test get argument (2)" echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string arg2=+0(${ARG1}):string" > kprobe_events echo 1 > events/kprobes/testprobe/enable echo "p:test $FUNCTION_FORK" >> kprobe_events grep -qe "testprobe.* arg1=\"test\" arg2=\"test\"" trace