btf_is_prog_ctx_type
bool btf_is_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
if (!btf_is_prog_ctx_type(log, btf, t, prog_type, arg))
if ((tags & ARG_TAG_CTX) || btf_is_prog_ctx_type(log, btf, t, prog_type, i)) {
if (btf_is_prog_ctx_type(&env->log, meta->btf, t, resolve_prog_type(env->prog), argno))