fexit_test.c (1748B)
1// SPDX-License-Identifier: GPL-2.0 2/* 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}