1
2
3
4#include <linux/bpf.h>
5#include <stdint.h>
6#include <bpf/bpf_helpers.h>
7#include <bpf/bpf_core_read.h>
8
9char _license[] SEC("license") = "GPL";
10
11struct {
12 char in[256];
13 char out[256];
14} data = {};
15
16struct core_reloc_mods_output {
17 int a, b, c, d, e, f, g, h;
18};
19
20typedef const int int_t;
21typedef const char *char_ptr_t;
22typedef const int arr_t[7];
23
24struct core_reloc_mods_substruct {
25 int x;
26 int y;
27};
28
29typedef struct {
30 int x;
31 int y;
32} core_reloc_mods_substruct_t;
33
34struct core_reloc_mods {
35 int a;
36 int_t b;
37 char *c;
38 char_ptr_t d;
39 int e[3];
40 arr_t f;
41 struct core_reloc_mods_substruct g;
42 core_reloc_mods_substruct_t h;
43};
44
45#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
46
47SEC("raw_tracepoint/sys_enter")
48int test_core_mods(void *ctx)
49{
50 struct core_reloc_mods *in = (void *)&data.in;
51 struct core_reloc_mods_output *out = (void *)&data.out;
52
53 if (CORE_READ(&out->a, &in->a) ||
54 CORE_READ(&out->b, &in->b) ||
55 CORE_READ(&out->c, &in->c) ||
56 CORE_READ(&out->d, &in->d) ||
57 CORE_READ(&out->e, &in->e[2]) ||
58 CORE_READ(&out->f, &in->f[1]) ||
59 CORE_READ(&out->g, &in->g.x) ||
60 CORE_READ(&out->h, &in->h.y))
61 return 1;
62
63 return 0;
64}
65
66
