blob: 62c8cdec6d5de356ed86906b8bfd85dda182067f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
bool prog1_called = false;
bool prog2_called = false;
bool prog3_called = false;
SEC("raw_tp/sys_enter")
int prog1(const void *ctx)
{
prog1_called = true;
return 0;
}
SEC("raw_tp/sys_exit")
int prog2(const void *ctx)
{
prog2_called = true;
return 0;
}
struct fake_kernel_struct {
int whatever;
} __attribute__((preserve_access_index));
SEC("fentry/unexisting-kprobe-will-fail-if-loaded")
int prog3(const void *ctx)
{
struct fake_kernel_struct *fake = (void *)ctx;
fake->whatever = 123;
prog3_called = true;
return 0;
}
char _license[] SEC("license") = "GPL";
|
