Commit 63fac346 authored by Ilya Leoshkevich's avatar Ilya Leoshkevich Committed by Alexei Starovoitov
Browse files

selftests/bpf: Test gotol with large offsets 



Test gotol with offsets that don't fit into a short (i.e., larger than
32k or smaller than -32k).

Signed-off-by: default avatarIlya Leoshkevich <iii@linux.ibm.com>
Acked-by: default avatarYonghong Song <yonghong.song@linux.dev>
Acked-by: default avatarJohn Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/20240102193531.3169422-4-iii@linux.ibm.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 445aea5a

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

+19 −0
Original line number Diff line number Diff line
@@ -33,6 +33,25 @@ l3_%=: \ 
	: __clobber_all);

}



SEC("socket")

__description("gotol, large_imm")

__success __failure_unpriv __retval(40000)

__naked void gotol_large_imm(void)

{

	asm volatile ("					\

	gotol 1f;					\

0:							\

	r0 = 0;						\

	.rept 40000;					\

	r0 += 1;					\

	.endr;						\

	exit;						\

1:	gotol 0b;					\

"	:

	:

	: __clobber_all);

}



#else



SEC("socket")