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bpf: Expect !info.func_info and insn_off name changes in test_btf/libbpf/bpftool

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Similar to info.jited_*, info.func_info could be 0 if
bpf_dump_raw_ok() == false.

This patch makes changes to test_btf and bpftool to expect info.func_info
could be 0.

This patch also makes the needed changes for s/insn_offset/insn_off/.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Martin KaFai Lau 2018-12-05 17:35:47 -08:00 • committed by Alexei Starovoitov
commit 84ecc1f98c
4 changed files with 22 additions and 9 deletions
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8
tools/testing/selftests/bpf/test_btf.c
View file

@ -3156,7 +3156,7 @@ static struct btf_func_type_test {
},
{
.descr = "func_type (Incorrect bpf_func_info.insn_offset)",
.descr = "func_type (Incorrect bpf_func_info.insn_off)",
.raw_types = {
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
@ -3303,6 +3303,12 @@ static int do_test_func_type(int test_num)
goto done;
}
if (CHECK(!info.func_info,
"info.func_info == 0. kernel.kptr_restrict is set?")) {
err = -1;
goto done;
}
finfo = func_info;
for (i = 0; i < 2; i++) {
if (CHECK(finfo->type_id != test->func_info[i][1],