LXR linux/tools/perf/tests/bpf-script-test-kbuild.c

   1/*
   2 * bpf-script-test-kbuild.c
   3 * Test include from kernel header
   4 */
   5#ifndef LINUX_VERSION_CODE
   6# error Need LINUX_VERSION_CODE
   7# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig'
   8#endif
   9#define SEC(NAME) __attribute__((section(NAME), used))
  10
  11#include <uapi/linux/fs.h>
  12#include <uapi/asm/ptrace.h>
  13
  14SEC("func=vfs_llseek")
  15int bpf_func__vfs_llseek(void *ctx)
  16{
  17        return 0;
  18}
  19
  20char _license[] SEC("license") = "GPL";
  21int _version SEC("version") = LINUX_VERSION_CODE;
  22