selftests/bpf: Add selftest for multi-prog sections and bpf-to-bpf calls

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Add a selftest excercising bpf-to-bpf subprogram calls, as well as multiple
entry-point BPF programs per section. Also make sure that BPF CO-RE works for
such set ups both for sub-programs and for multi-entry sections.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200903203542.15944-8-andriin@fb.com

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Andrii Nakryiko 2020-09-03 13:35:35 -07:00 • committed by Alexei Starovoitov

parent 7e06aad529

commit a08c02f8d4

2 changed files with 134 additions and 0 deletions

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31

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

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103

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

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