libctf: handle nonrepresentable types at link time

[deliverable/binutils-gdb.git] / libctf / ctf-types.c

diff --git a/libctf/ctf-types.c b/libctf/ctf-types.c
index 95c9c9aca189eeccf5c53ba47102e21fbfe68ca9..9fe4d5a6d73b4fdb46143ca2839cb54bec0f88d2 100644 (file)
--- a/libctf/ctf-types.c
+++ b/libctf/ctf-types.c
@@ -200,6 +200,9 @@ ctf_type_resolve (ctf_file_t *fp, ctf_id_t type)
   ctf_file_t *ofp = fp;
   const ctf_type_t *tp;
 
+  if (type == 0)
+    return (ctf_set_errno (ofp, ECTF_NONREPRESENTABLE));
+
   while ((tp = ctf_lookup_by_id (&fp, type)) != NULL)
     {
       switch (LCTF_INFO_KIND (fp, tp->ctt_info))
@@ -220,6 +223,8 @@ ctf_type_resolve (ctf_file_t *fp, ctf_id_t type)
        default:
          return type;
        }
+      if (type == 0)
+       return (ctf_set_errno (ofp, ECTF_NONREPRESENTABLE));
     }
 
   return CTF_ERR;              /* errno is set for us.  */