| // 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 = {}; |
| |
| struct core_reloc_arrays_output { |
| int a2; |
| char b123; |
| int c1c; |
| int d00d; |
| int f01c; |
| }; |
| |
| struct core_reloc_arrays_substruct { |
| int c; |
| int d; |
| }; |
| |
| struct core_reloc_arrays { |
| int a[5]; |
| char b[2][3][4]; |
| struct core_reloc_arrays_substruct c[3]; |
| struct core_reloc_arrays_substruct d[1][2]; |
| struct core_reloc_arrays_substruct f[][2]; |
| }; |
| |
| #define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src) |
| |
| SEC("raw_tracepoint/sys_enter") |
| int test_core_arrays(void *ctx) |
| { |
| struct core_reloc_arrays *in = (void *)&data.in; |
| struct core_reloc_arrays_output *out = (void *)&data.out; |
| |
| if (CORE_READ(&out->a2, &in->a[2])) |
| return 1; |
| if (CORE_READ(&out->b123, &in->b[1][2][3])) |
| return 1; |
| if (CORE_READ(&out->c1c, &in->c[1].c)) |
| return 1; |
| if (CORE_READ(&out->d00d, &in->d[0][0].d)) |
| return 1; |
| if (CORE_READ(&out->f01c, &in->f[0][1].c)) |
| return 1; |
| |
| return 0; |
| } |
| |