bpf, tests: Add test for 32-bit context pointer argument passing
authorJohan Almbladh <johan.almbladh@anyfinetworks.com>
Mon, 9 Aug 2021 09:18:26 +0000 (11:18 +0200)
committerDaniel Borkmann <daniel@iogearbox.net>
Tue, 10 Aug 2021 09:33:25 +0000 (11:33 +0200)
commit53e33f9928cd61272e8e7902a876cb8cdf3f5c07
tree09145d782e1240852028d954d5c3b5a52712b540
parent66e5eb8474554bc021e8a221c336bdaef13f7a69
bpf, tests: Add test for 32-bit context pointer argument passing

On a 32-bit architecture, the context pointer will occupy the low
half of R1, and the other half will be zero.

Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210809091829.810076-12-johan.almbladh@anyfinetworks.com
lib/test_bpf.c