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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2019 Facebook */3#include <linux/bpf.h>4#include <bpf/bpf_helpers.h>5#include <bpf/bpf_tracing.h>6 7char _license[] SEC("license") = "GPL";8 9__u64 test1_result = 0;10SEC("fexit/bpf_fentry_test1")11int BPF_PROG(test1, int a, int ret)12{13 test1_result = a == 1 && ret == 2;14 return 0;15}16 17__u64 test2_result = 0;18SEC("fexit/bpf_fentry_test2")19int BPF_PROG(test2, int a, __u64 b, int ret)20{21 test2_result = a == 2 && b == 3 && ret == 5;22 return 0;23}24 25__u64 test3_result = 0;26SEC("fexit/bpf_fentry_test3")27int BPF_PROG(test3, char a, int b, __u64 c, int ret)28{29 test3_result = a == 4 && b == 5 && c == 6 && ret == 15;30 return 0;31}32 33__u64 test4_result = 0;34SEC("fexit/bpf_fentry_test4")35int BPF_PROG(test4, void *a, char b, int c, __u64 d, int ret)36{37 test4_result = a == (void *)7 && b == 8 && c == 9 && d == 10 &&38 ret == 34;39 return 0;40}41 42__u64 test5_result = 0;43SEC("fexit/bpf_fentry_test5")44int BPF_PROG(test5, __u64 a, void *b, short c, int d, __u64 e, int ret)45{46 test5_result = a == 11 && b == (void *)12 && c == 13 && d == 14 &&47 e == 15 && ret == 65;48 return 0;49}50 51__u64 test6_result = 0;52SEC("fexit/bpf_fentry_test6")53int BPF_PROG(test6, __u64 a, void *b, short c, int d, void *e, __u64 f, int ret)54{55 test6_result = a == 16 && b == (void *)17 && c == 18 && d == 19 &&56 e == (void *)20 && f == 21 && ret == 111;57 return 0;58}59 60struct bpf_fentry_test_t {61 struct bpf_fentry_test *a;62};63 64__u64 test7_result = 0;65SEC("fexit/bpf_fentry_test7")66int BPF_PROG(test7, struct bpf_fentry_test_t *arg)67{68 if (!arg)69 test7_result = 1;70 return 0;71}72 73__u64 test8_result = 0;74SEC("fexit/bpf_fentry_test8")75int BPF_PROG(test8, struct bpf_fentry_test_t *arg)76{77 if (!arg->a)78 test8_result = 1;79 return 0;80}81