selftests/bpf: add CO-RE relocs ptr-as-array tests

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Add test validating correct relocation handling for cases where pointer
to something is used as an array. E.g.:

  int *ptr = ...;
  int x = ptr[42];

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

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Andrii Nakryiko 2019-08-07 14:39:59 -07:00 • committed by Alexei Starovoitov

parent 9654e2ae90

commit d698f9dbdb

5 changed files with 69 additions and 0 deletions

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20

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

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3

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

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3

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

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13

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

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30

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

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