| // SPDX-License-Identifier: GPL-2.0 |
| #include "vmlinux.h" |
| #include <bpf/bpf_helpers.h> |
| #include <bpf/bpf_tracing.h> |
| #include <bpf/usdt.bpf.h> |
| #include "bpf_misc.h" |
| |
| char _license[] SEC("license") = "GPL"; |
| |
| |
| SEC("uprobe.session") |
| __success |
| int uprobe_sesison_return_0(struct pt_regs *ctx) |
| { |
| return 0; |
| } |
| |
| SEC("uprobe.session") |
| __success |
| int uprobe_sesison_return_1(struct pt_regs *ctx) |
| { |
| return 1; |
| } |
| |
| SEC("uprobe.session") |
| __failure |
| __msg("At program exit the register R0 has smin=2 smax=2 should have been in [0, 1]") |
| int uprobe_sesison_return_2(struct pt_regs *ctx) |
| { |
| return 2; |
| } |