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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */3 4#include <vmlinux.h>5#include <bpf/bpf_tracing.h>6#include <bpf/bpf_helpers.h>7 8struct bpf_testmod_struct_arg_1 {9 int a;10};11struct bpf_testmod_struct_arg_2 {12 long a;13 long b;14};15 16struct bpf_testmod_struct_arg_3 {17 int a;18 int b[];19};20 21long t1_a_a, t1_a_b, t1_b, t1_c, t1_ret, t1_nregs;22__u64 t1_reg0, t1_reg1, t1_reg2, t1_reg3;23long t2_a, t2_b_a, t2_b_b, t2_c, t2_ret;24long t3_a, t3_b, t3_c_a, t3_c_b, t3_ret;25long t4_a_a, t4_b, t4_c, t4_d, t4_e_a, t4_e_b, t4_ret;26long t5_ret;27int t6;28 29SEC("fentry/bpf_testmod_test_struct_arg_1")30int BPF_PROG2(test_struct_arg_1, struct bpf_testmod_struct_arg_2, a, int, b, int, c)31{32 t1_a_a = a.a;33 t1_a_b = a.b;34 t1_b = b;35 t1_c = c;36 return 0;37}38 39SEC("fexit/bpf_testmod_test_struct_arg_1")40int BPF_PROG2(test_struct_arg_2, struct bpf_testmod_struct_arg_2, a, int, b, int, c, int, ret)41{42 t1_nregs = bpf_get_func_arg_cnt(ctx);43 /* a.a */44 bpf_get_func_arg(ctx, 0, &t1_reg0);45 /* a.b */46 bpf_get_func_arg(ctx, 1, &t1_reg1);47 /* b */48 bpf_get_func_arg(ctx, 2, &t1_reg2);49 t1_reg2 = (int)t1_reg2;50 /* c */51 bpf_get_func_arg(ctx, 3, &t1_reg3);52 t1_reg3 = (int)t1_reg3;53 54 t1_ret = ret;55 return 0;56}57 58SEC("fentry/bpf_testmod_test_struct_arg_2")59int BPF_PROG2(test_struct_arg_3, int, a, struct bpf_testmod_struct_arg_2, b, int, c)60{61 t2_a = a;62 t2_b_a = b.a;63 t2_b_b = b.b;64 t2_c = c;65 return 0;66}67 68SEC("fexit/bpf_testmod_test_struct_arg_2")69int BPF_PROG2(test_struct_arg_4, int, a, struct bpf_testmod_struct_arg_2, b, int, c, int, ret)70{71 t2_ret = ret;72 return 0;73}74 75SEC("fentry/bpf_testmod_test_struct_arg_3")76int BPF_PROG2(test_struct_arg_5, int, a, int, b, struct bpf_testmod_struct_arg_2, c)77{78 t3_a = a;79 t3_b = b;80 t3_c_a = c.a;81 t3_c_b = c.b;82 return 0;83}84 85SEC("fexit/bpf_testmod_test_struct_arg_3")86int BPF_PROG2(test_struct_arg_6, int, a, int, b, struct bpf_testmod_struct_arg_2, c, int, ret)87{88 t3_ret = ret;89 return 0;90}91 92SEC("fentry/bpf_testmod_test_struct_arg_4")93int BPF_PROG2(test_struct_arg_7, struct bpf_testmod_struct_arg_1, a, int, b,94 int, c, int, d, struct bpf_testmod_struct_arg_2, e)95{96 t4_a_a = a.a;97 t4_b = b;98 t4_c = c;99 t4_d = d;100 t4_e_a = e.a;101 t4_e_b = e.b;102 return 0;103}104 105SEC("fexit/bpf_testmod_test_struct_arg_4")106int BPF_PROG2(test_struct_arg_8, struct bpf_testmod_struct_arg_1, a, int, b,107 int, c, int, d, struct bpf_testmod_struct_arg_2, e, int, ret)108{109 t4_ret = ret;110 return 0;111}112 113SEC("fentry/bpf_testmod_test_struct_arg_5")114int BPF_PROG2(test_struct_arg_9)115{116 return 0;117}118 119SEC("fexit/bpf_testmod_test_struct_arg_5")120int BPF_PROG2(test_struct_arg_10, int, ret)121{122 t5_ret = ret;123 return 0;124}125 126SEC("fentry/bpf_testmod_test_struct_arg_6")127int BPF_PROG2(test_struct_arg_11, struct bpf_testmod_struct_arg_3 *, a)128{129 t6 = a->b[0];130 return 0;131}132 133char _license[] SEC("license") = "GPL";134