| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Kprobe event string type argument |
| |
| [ -f kprobe_events ] || exit_unsupported # this is configurable |
| |
| 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 |
| ;; |
| *) |
| echo "Please implement other architecture here" |
| exit_untested |
| esac |
| |
| : "Test get argument (1)" |
| echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string" > kprobe_events |
| echo 1 > events/kprobes/testprobe/enable |
| echo "p:test _do_fork" >> kprobe_events |
| grep -qe "testprobe.* arg1=\"test\"" trace |
| |
| echo 0 > events/kprobes/testprobe/enable |
| : "Test get argument (2)" |
| echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string arg2=+0(${ARG1}):string" > kprobe_events |
| echo 1 > events/kprobes/testprobe/enable |
| echo "p:test _do_fork" >> kprobe_events |
| grep -qe "testprobe.* arg1=\"test\" arg2=\"test\"" trace |
| |
