1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */ 3 #include <vmlinux.h> 4 #include <bpf/bpf_helpers.h> 5 #include <bpf/bpf_tracing.h> 6 #include "../bpf_testmod/bpf_testmod.h" 7 8 char _license[] SEC("license") = "GPL"; 9 10 int test_1_result = 0; 11 int test_2_result = 0; 12 13 SEC("struct_ops/test_1") 14 int BPF_PROG(test_1) 15 { 16 test_1_result = 0xdeadbeef; 17 return 0; 18 } 19 20 SEC("struct_ops/test_2") 21 void BPF_PROG(test_2, int a, int b) 22 { 23 test_2_result = a + b; 24 } 25 26 SEC("struct_ops/test_3") 27 int BPF_PROG(test_3, int a, int b) 28 { 29 test_2_result = a + b + 3; 30 return a + b + 3; 31 } 32 33 SEC(".struct_ops.link") 34 struct bpf_testmod_ops testmod_1 = { 35 .test_1 = (void *)test_1, 36 .test_2 = (void *)test_2, 37 .data = 0x1, 38 }; 39 40 SEC("struct_ops/test_2") 41 void BPF_PROG(test_2_v2, int a, int b) 42 { 43 test_2_result = a * b; 44 } 45 46 struct bpf_testmod_ops___v2 { 47 int (*test_1)(void); 48 void (*test_2)(int a, int b); 49 int (*test_maybe_null)(int dummy, struct task_struct *task); 50 }; 51 52 SEC(".struct_ops.link") 53 struct bpf_testmod_ops___v2 testmod_2 = { 54 .test_1 = (void *)test_1, 55 .test_2 = (void *)test_2_v2, 56 }; 57