selftests/bpf: Add dump type data tests to btf dump tests

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Test various type data dumping operations by comparing expected
format with the dumped string; an snprintf-style printf function
is used to record the string dumped.  Also verify overflow handling
where the data passed does not cover the full size of a type,
such as would occur if a tracer has a portion of the 8k
"struct task_struct".

Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1626362126-27775-4-git-send-email-alan.maguire@oracle.com

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Alan Maguire 2021-07-15 16:15:26 +01:00 • committed by Andrii Nakryiko

parent 17283337ff

commit 70a9241fbc

1 changed files with 598 additions and 0 deletions

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

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