diff options
author | Andrii Nakryiko <andriin@fb.com> | 2019-08-07 14:39:57 -0700 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2019-08-07 14:43:49 -0700 |
commit | d9db3550300f4390e457c79189e2601c107f9fe6 (patch) | |
tree | 5c097c931205aa519d06738f156dcb8587e61e1e /tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c | |
parent | 20a9ad2e71368da8e831317f0a545e4bfb31cce1 (diff) |
selftests/bpf: add CO-RE relocs enum/ptr/func_proto tests
Test CO-RE relocation handling of ints, enums, pointers, func protos, etc.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c b/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c new file mode 100644 index 000000000000..add52f23ab35 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2019 Facebook + +#include <linux/bpf.h> +#include <stdint.h> +#include "bpf_helpers.h" + +char _license[] SEC("license") = "GPL"; + +static volatile struct data { + 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 *); +}; + +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 (BPF_CORE_READ(&out->a, &in->a) || + BPF_CORE_READ(&out->b, &in->b) || + BPF_CORE_READ(&out->c, &in->c) || + BPF_CORE_READ(&out->d, &in->d) || + BPF_CORE_READ(&out->f, &in->f)) + return 1; + + return 0; +} + |