blob: 2a8975678aa6d924fdfa817bc90038f320231079 (
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
41
42
43
44
45
46
|
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019 Facebook
#include <linux/bpf.h>
#include <stdint.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_core_read.h>
char _license[] SEC("license") = "GPL";
struct {
char in[256];
char out[256];
} data = {};
enum core_reloc_primitives_enum {
A = 0,
B = 1,
};
struct core_reloc_primitives {
char a;
int b;
enum core_reloc_primitives_enum c;
void *d;
int (*f)(const char *);
};
#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
SEC("raw_tracepoint/sys_enter")
int test_core_primitives(void *ctx)
{
struct core_reloc_primitives *in = (void *)&data.in;
struct core_reloc_primitives *out = (void *)&data.out;
if (CORE_READ(&out->a, &in->a) ||
CORE_READ(&out->b, &in->b) ||
CORE_READ(&out->c, &in->c) ||
CORE_READ(&out->d, &in->d) ||
CORE_READ(&out->f, &in->f))
return 1;
return 0;
}
|