selftests/bpf: Add tests for ENUMVAL_EXISTS/ENUMVAL_VALUE relocations

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Add tests validating existence and value relocations for enum value-based
relocations. If __builtin_preserve_enum_value() built-in is not supported,
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/20200819194519.3375898-6-andriin@fb.com

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This commit is contained in:

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

parent eacaaed784

commit 3357490555

7 changed files with 224 additions and 0 deletions

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56

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

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

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

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

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tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___val3_missing.c

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84

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

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

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