selftests/bpf: Test TYPE_EXISTS and TYPE_SIZE CO-RE relocations

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Add selftests for TYPE_EXISTS and TYPE_SIZE relocations, testing correctness
of relocations and handling of type compatiblity/incompatibility.

If __builtin_preserve_type_info() is not supported by compiler, skip tests.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200819194519.3375898-3-andriin@fb.com

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This commit is contained in:

Andrii Nakryiko 2020-08-19 12:45:16 -07:00 • committed by Alexei Starovoitov

parent 3fc32f40c4

commit 124a892d1c

9 changed files with 446 additions and 22 deletions

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125

tools/testing/selftests/bpf/prog_tests/core_reloc.c

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3

tools/testing/selftests/bpf/progs/btf__core_reloc_type_based.c

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3

tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___all_missing.c

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tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff_sz.c

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3

tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___fn_wrong_args.c

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3

tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___incompat.c

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202

tools/testing/selftests/bpf/progs/core_reloc_types.h

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tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c

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124

tools/testing/selftests/bpf/progs/test_core_reloc_type_based.c

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