| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Kprobe event string type argument |
| |
| [ -f kprobe_events ] || exit_unsupported # this is configurable |
| |
| echo 0 > events/enable |
| echo > kprobe_events |
| |
| case `uname -m` in |
| x86_64) |
| ARG2=%si |
| OFFS=8 |
| ;; |
| i[3456]86) |
| ARG2=%cx |
| OFFS=4 |
| ;; |
| aarch64) |
| ARG2=%x1 |
| OFFS=8 |
| ;; |
| arm*) |
| ARG2=%r1 |
| OFFS=4 |
| ;; |
| *) |
| echo "Please implement other architecture here" |
| exit_untested |
| esac |
| |
| : "Test get argument (1)" |
| echo "p:testprobe create_trace_kprobe arg1=+0(+0(${ARG2})):string" > kprobe_events |
| echo 1 > events/kprobes/testprobe/enable |
| ! echo test >> kprobe_events |
| tail -n 1 trace | grep -qe "testprobe.* arg1=\"test\"" |
| |
| echo 0 > events/kprobes/testprobe/enable |
| : "Test get argument (2)" |
| echo "p:testprobe create_trace_kprobe arg1=+0(+0(${ARG2})):string arg2=+0(+${OFFS}(${ARG2})):string" > kprobe_events |
| echo 1 > events/kprobes/testprobe/enable |
| ! echo test1 test2 >> kprobe_events |
| tail -n 1 trace | grep -qe "testprobe.* arg1=\"test1\" arg2=\"test2\"" |
| |
| echo 0 > events/enable |
| echo > kprobe_events |
