The set symbol does not have the unique number suffix,
so we need to give it a special parsing function.
This was omitted in the first batch, because there was
no set support yet, so it slipped in the testing.
Acked-by: Andrii Nakryiko <andriin@xxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/bpf/resolve_btfids/main.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
index b83369887df6..81782c3ff485 100644
--- a/tools/bpf/resolve_btfids/main.c
+++ b/tools/bpf/resolve_btfids/main.c
@@ -227,6 +227,24 @@ static char *get_id(const char *prefix_end)
return id;
}
+static struct btf_id *add_set(struct object *obj, char *name)
+{
+ /*
+ * __BTF_ID__set__name
+ * name = ^
+ * id = ^
+ */
+ char *id = name + sizeof(BTF_SET "__") - 1;
+ int len = strlen(name);
+
+ if (id >= name + len) {
+ pr_err("FAILED to parse set name: %s\n", name);
+ return NULL;
+ }
+
+ return btf_id__add(&obj->sets, id, true);
+}
+
static struct btf_id *add_symbol(struct rb_root *root, char *name, size_t size)
{
char *id;
@@ -383,7 +401,7 @@ static int symbols_collect(struct object *obj)
id = add_symbol(&obj->funcs, prefix, sizeof(BTF_FUNC) - 1);
/* set */
} else if (!strncmp(prefix, BTF_SET, sizeof(BTF_SET) - 1)) {
- id = add_symbol(&obj->sets, prefix, sizeof(BTF_SET) - 1);
+ id = add_set(obj, prefix);
/*
* SET objects store list's count, which is encoded
* in symbol's size, together with 'cnt' field hence
--
2.25.4
