Switch bpftool's code which is using libbpf-internal
btf_type_visit_type_ids() helper to new btf_field_iter functionality.
This makes bpftool code simpler, but also unblocks removing libbpf's
btf_type_visit_type_ids() helper completely.
Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx>
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
---
tools/bpf/bpftool/gen.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index b3979ddc0189..d244a7de387e 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -2379,15 +2379,6 @@ static int btfgen_record_obj(struct btfgen_info *info, const char *obj_path)
return err;
}
-static int btfgen_remap_id(__u32 *type_id, void *ctx)
-{
- unsigned int *ids = ctx;
-
- *type_id = ids[*type_id];
-
- return 0;
-}
-
/* Generate BTF from relocation information previously recorded */
static struct btf *btfgen_get_btf(struct btfgen_info *info)
{
@@ -2467,10 +2458,15 @@ static struct btf *btfgen_get_btf(struct btfgen_info *info)
/* second pass: fix up type ids */
for (i = 1; i < btf__type_cnt(btf_new); i++) {
struct btf_type *btf_type = (struct btf_type *) btf__type_by_id(btf_new, i);
+ struct btf_field_iter it;
+ __u32 *type_id;
- err = btf_type_visit_type_ids(btf_type, btfgen_remap_id, ids);
+ err = btf_field_iter_init(&it, btf_type, BTF_FIELD_ITER_IDS);
if (err)
goto err_out;
+
+ while ((type_id = btf_field_iter_next(&it)))
+ *type_id = ids[*type_id];
}
free(ids);
--
2.43.0
