Commit d503f117 authored by Eduard Zingerman's avatar Eduard Zingerman Committed by Andrii Nakryiko
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selftests/bpf: Test btf dump for struct with padding only fields 



Structures with zero regular fields but some padding constitute a
special case in btf_dump.c:btf_dump_emit_struct_def with regards to
newline before closing '}'.

Signed-off-by: default avatarEduard Zingerman <eddyz87@gmail.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221001104425.415768-2-eddyz87@gmail.com
parent 44a726c3

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

+9 −0
Original line number Diff line number Diff line
@@ -102,12 +102,21 @@ struct zone { 
	struct zone_padding __pad__;

};



/* ----- START-EXPECTED-OUTPUT ----- */

struct padding_wo_named_members {

	long: 64;

	long: 64;

};



/* ------ END-EXPECTED-OUTPUT ------ */



int f(struct {

	struct padded_implicitly _1;

	struct padded_explicitly _2;

	struct padded_a_lot _3;

	struct padded_cache_line _4;

	struct zone _5;

	struct padding_wo_named_members _6;

} *_)

{

	return 0;