diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_attach_probe.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_attach_probe.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_attach_probe.c b/tools/testing/selftests/bpf/progs/test_attach_probe.c new file mode 100644 index 000000000..8056a4c6d --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_attach_probe.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2017 Facebook + +#include <linux/ptrace.h> +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +int kprobe_res = 0; +int kretprobe_res = 0; +int uprobe_res = 0; +int uretprobe_res = 0; + +SEC("kprobe/sys_nanosleep") +int handle_kprobe(struct pt_regs *ctx) +{ + kprobe_res = 1; + return 0; +} + +SEC("kretprobe/sys_nanosleep") +int BPF_KRETPROBE(handle_kretprobe) +{ + kretprobe_res = 2; + return 0; +} + +SEC("uprobe/trigger_func") +int handle_uprobe(struct pt_regs *ctx) +{ + uprobe_res = 3; + return 0; +} + +SEC("uretprobe/trigger_func") +int handle_uretprobe(struct pt_regs *ctx) +{ + uretprobe_res = 4; + return 0; +} + +char _license[] SEC("license") = "GPL"; |