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| author | Andrii Nakryiko <andrii@kernel.org> | 2022-05-08 17:41:45 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-05-09 17:15:32 +0200 |
| commit | 785c3342cf6c520250258d8d7bc0cae1d4461dc8 (patch) | |
| tree | ef57d43c701d2e840478657efe1b9c6b399b9b91 /tools/testing/selftests/bpf/prog_tests | |
| parent | 7715f549a9d80a82428a7925fa4a00518c53c35c (diff) | |
| download | linux-785c3342cf6c520250258d8d7bc0cae1d4461dc8.tar.gz linux-785c3342cf6c520250258d8d7bc0cae1d4461dc8.tar.bz2 linux-785c3342cf6c520250258d8d7bc0cae1d4461dc8.zip | |
selftests/bpf: Add bpf_core_field_offset() tests
Add test cases for bpf_core_field_offset() helper.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220509004148.1801791-7-andrii@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/core_reloc.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c index f28f75aa9154..3712dfe1be59 100644 --- a/tools/testing/selftests/bpf/prog_tests/core_reloc.c +++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c @@ -277,13 +277,21 @@ static int duration = 0; #define SIZE_OUTPUT_DATA(type) \ STRUCT_TO_CHAR_PTR(core_reloc_size_output) { \ .int_sz = sizeof(((type *)0)->int_field), \ + .int_off = offsetof(type, int_field), \ .struct_sz = sizeof(((type *)0)->struct_field), \ + .struct_off = offsetof(type, struct_field), \ .union_sz = sizeof(((type *)0)->union_field), \ + .union_off = offsetof(type, union_field), \ .arr_sz = sizeof(((type *)0)->arr_field), \ - .arr_elem_sz = sizeof(((type *)0)->arr_field[0]), \ + .arr_off = offsetof(type, arr_field), \ + .arr_elem_sz = sizeof(((type *)0)->arr_field[1]), \ + .arr_elem_off = offsetof(type, arr_field[1]), \ .ptr_sz = 8, /* always 8-byte pointer for BPF */ \ + .ptr_off = offsetof(type, ptr_field), \ .enum_sz = sizeof(((type *)0)->enum_field), \ + .enum_off = offsetof(type, enum_field), \ .float_sz = sizeof(((type *)0)->float_field), \ + .float_off = offsetof(type, float_field), \ } #define SIZE_CASE(name) { \ @@ -714,9 +722,10 @@ static const struct core_reloc_test_case test_cases[] = { }), BITFIELDS_ERR_CASE(bitfields___err_too_big_bitfield), - /* size relocation checks */ + /* field size and offset relocation checks */ SIZE_CASE(size), SIZE_CASE(size___diff_sz), + SIZE_CASE(size___diff_offs), SIZE_ERR_CASE(size___err_ambiguous), /* validate type existence and size relocations */ |