1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2019 Facebook
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_arrays_output {
17	int a2;
18	char b123;
19	int c1c;
20	int d00d;
21	int f01c;
22};
23
24struct core_reloc_arrays_substruct {
25	int c;
26	int d;
27};
28
29struct core_reloc_arrays {
30	int a[5];
31	char b[2][3][4];
32	struct core_reloc_arrays_substruct c[3];
33	struct core_reloc_arrays_substruct d[1][2];
34	struct core_reloc_arrays_substruct f[][2];
35};
36
37#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
38
39SEC("raw_tracepoint/sys_enter")
40int test_core_arrays(void *ctx)
41{
42	struct core_reloc_arrays *in = (void *)&data.in;
43	struct core_reloc_arrays_output *out = (void *)&data.out;
44
45	if (CORE_READ(&out->a2, &in->a[2]))
46		return 1;
47	if (CORE_READ(&out->b123, &in->b[1][2][3]))
48		return 1;
49	if (CORE_READ(&out->c1c, &in->c[1].c))
50		return 1;
51	if (CORE_READ(&out->d00d, &in->d[0][0].d))
52		return 1;
53	if (CORE_READ(&out->f01c, &in->f[0][1].c))
54		return 1;
55
56	return 0;
57}
58
59