1 // SPDX-License-Identifier: GPL-2.0 2 #include "vmlinux.h" 3 #include <bpf/bpf_helpers.h> 4 #include <bpf/bpf_tracing.h> 5 6 char _license[] SEC("license") = "GPL"; 7 8 /* 9 * No tests in here, just to trigger 'bpf_fentry_test*' 10 * through tracing test_run 11 */ 12 SEC("fentry/bpf_modify_return_test") 13 int BPF_PROG(trigger) 14 { 15 return 0; 16 } 17 18 SEC("kprobe/bpf_fentry_test1") 19 int test1(struct pt_regs *ctx) 20 { 21 bpf_printk("test"); 22 return 0; 23 } 24 25 SEC("tp/bpf_trace/bpf_trace_printk") 26 int test2(struct pt_regs *ctx) 27 { 28 return 0; 29 } 30 31 SEC("tp/bpf_trace/bpf_trace_printk") 32 int test3(struct pt_regs *ctx) 33 { 34 return 0; 35 } 36 37 SEC("tp/bpf_trace/bpf_trace_printk") 38 int test4(struct pt_regs *ctx) 39 { 40 return 0; 41 } 42