diff options
Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c b/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c new file mode 100644 index 000000000..51b3f79df --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c @@ -0,0 +1,58 @@ +// 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; +} + |