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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include "../bpf_testmod/bpf_testmod.h"
char _license[] SEC("license") = "GPL";
int test_1_result = 0;
int test_2_result = 0;
SEC("struct_ops/test_1")
int BPF_PROG(test_1)
{
test_1_result = 0xdeadbeef;
return 0;
}
SEC("struct_ops/test_2")
void BPF_PROG(test_2, int a, int b)
{
test_2_result = a + b;
}
SEC("?struct_ops/test_3")
int BPF_PROG(test_3, int a, int b)
{
test_2_result = a + b + 3;
return a + b + 3;
}
SEC(".struct_ops.link")
struct bpf_testmod_ops testmod_1 = {
.test_1 = (void *)test_1,
.test_2 = (void *)test_2,
.data = 0x1,
};
SEC("struct_ops/test_2")
void BPF_PROG(test_2_v2, int a, int b)
{
test_2_result = a * b;
}
struct bpf_testmod_ops___v2 {
int (*test_1)(void);
void (*test_2)(int a, int b);
int (*test_maybe_null)(int dummy, struct task_struct *task);
};
SEC(".struct_ops.link")
struct bpf_testmod_ops___v2 testmod_2 = {
.test_1 = (void *)test_1,
.test_2 = (void *)test_2_v2,
};
struct bpf_testmod_ops___zeroed {
int (*test_1)(void);
void (*test_2)(int a, int b);
int (*test_maybe_null)(int dummy, struct task_struct *task);
void (*zeroed_op)(int a, int b);
int zeroed;
};
SEC(".struct_ops.link")
struct bpf_testmod_ops___zeroed testmod_zeroed = {
.test_1 = (void *)test_1,
.test_2 = (void *)test_2_v2,
};
|