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selftests/bpf: Add non-standardly sized enum tests for btf_dump

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Add few custom enum definitions testing mode(byte) and mode(word)
attributes.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20221212211505.558851-4-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2022-12-12 13:15:02 -08:00 committed by Daniel Borkmann
parent 21a9a1bccc
commit 9d2349740e
1 changed files with 36 additions and 0 deletions
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36
tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c
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@ -25,6 +25,39 @@ typedef enum {
H = 2,
} e3_t;
/* ----- START-EXPECTED-OUTPUT ----- */
/*
*enum e_byte {
* EBYTE_1 = 0,
* EBYTE_2 = 1,
*} __attribute__((mode(byte)));
*
*/
/* ----- END-EXPECTED-OUTPUT ----- */
enum e_byte {
EBYTE_1,
EBYTE_2,
} __attribute__((mode(byte)));
/* ----- START-EXPECTED-OUTPUT ----- */
/*
*enum e_word {
* EWORD_1 = 0LL,
* EWORD_2 = 1LL,
*} __attribute__((mode(word)));
*
*/
/* ----- END-EXPECTED-OUTPUT ----- */
enum e_word {
EWORD_1,
EWORD_2,
} __attribute__((mode(word))); /* force to use 8-byte backing for this enum */
/* ----- START-EXPECTED-OUTPUT ----- */
enum e_big {
EBIG_1 = 1000000000000ULL,
};
typedef int int_t;
typedef volatile const int * volatile const crazy_ptr_t;
@ -224,6 +257,9 @@ struct root_struct {
enum e2 _2;
e2_t _2_1;
e3_t _2_2;
enum e_byte _100;
enum e_word _101;
enum e_big _102;
struct struct_w_typedefs _3;
anon_struct_t _7;
struct struct_fwd *_8;