1 // SPDX-License-Identifier: GPL-2.0 2 #include "vmlinux.h" 3 #include <bpf/bpf_helpers.h> 4 #include <bpf/bpf_tracing.h> 5 #include "bpf_misc.h" 6 7 char _license[] SEC("license") = "GPL"; 8 9 SEC("fentry.multi/bpf_fentry_test1") 10 __failure 11 __msg("func 'bpf_multi_func' doesn't have 1-th argument") 12 int BPF_PROG(fentry_direct_access, int a) 13 { 14 return a; 15 } 16 17 SEC("fexit.multi/bpf_fentry_test3") 18 __failure 19 __msg("invalid bpf_context access off=24 size=8") 20 int BPF_PROG(fexit_direct_access, char a, int b, __u64 c, int ret) 21 { 22 return ret; 23 } 24 25 SEC("fsession.multi/bpf_fentry_test4") 26 __failure 27 __msg("invalid bpf_context access off=16 size=8") 28 int BPF_PROG(fsession_direct_access, void *a, char b, int c, __u64 d, int ret) 29 { 30 return c; 31 } 32