tools/testing/selftests/bpf/progs/core_kern_overflow.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "vmlinux.h"
   3
   4 #include <bpf/bpf_helpers.h>
   5 #include <bpf/bpf_tracing.h>
   6 #include <bpf/bpf_core_read.h>
   7
   8 typedef int (*func_proto_typedef)(long);
   9 typedef int (*func_proto_typedef_nested1)(func_proto_typedef);
  10 typedef int (*func_proto_typedef_nested2)(func_proto_typedef_nested1);
  11
  12 int proto_out;
  13
  14 SEC("raw_tracepoint/sys_enter")
  15 int core_relo_proto(void *ctx)
  16 {
  17         proto_out = bpf_core_type_exists(func_proto_typedef_nested2);
  18
  19         return 0;
  20 }
  21
  22 char LICENSE[] SEC("license") = "GPL";