| // 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; |
| } |
| |