| Message ID | 20210726081738.1833704-12-johan.almbladh@anyfinetworks.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | BPF |
| Headers | show |
| Series | bpf/tests: Extend the eBPF test suite | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Not a local patch |
diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 55914b6236aa..314af6eaeb92 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -2084,6 +2084,22 @@ static struct bpf_test tests[] = { #undef NUMER #undef DENOM }, +#ifdef CONFIG_32BIT + { + "INT: 32-bit context pointer word order and zero-extension", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_JMP32_IMM(BPF_JEQ, R1, 0, 3), + BPF_ALU64_IMM(BPF_RSH, R1, 32), + BPF_JMP32_IMM(BPF_JNE, R1, 0, 1), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } } + }, +#endif { "check: missing ret", .u.insns = {
On a 32-bit architecture, the context pointer should occupy the low half of R0, and the other half should be zero. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> --- lib/test_bpf.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)