1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * bpf-script-test-kbuild.c 4 * Test include from kernel header 5 */ 6 #ifndef LINUX_VERSION_CODE 7 # error Need LINUX_VERSION_CODE 8 # error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' 9 #endif 10 #define SEC(NAME) __attribute__((section(NAME), used)) 11 12 #include <uapi/linux/fs.h> 13 14 SEC("func=vfs_llseek") bpf_func__vfs_llseek(void * ctx)15int bpf_func__vfs_llseek(void *ctx) 16 { 17 return 0; 18 } 19 20 char _license[] SEC("license") = "GPL"; 21 int _version SEC("version") = LINUX_VERSION_CODE; 22