1// SPDX-License-Identifier: GPL-2.0
2/* 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
21struct bpf_testmod_struct_arg_4 {
22	u64 a;
23	int b;
24};
25
26long t1_a_a, t1_a_b, t1_b, t1_c, t1_ret, t1_nregs;
27__u64 t1_reg0, t1_reg1, t1_reg2, t1_reg3;
28long t2_a, t2_b_a, t2_b_b, t2_c, t2_ret;
29long t3_a, t3_b, t3_c_a, t3_c_b, t3_ret;
30long t4_a_a, t4_b, t4_c, t4_d, t4_e_a, t4_e_b, t4_ret;
31long t5_ret;
32int t6;
33long t7_a, t7_b, t7_c, t7_d, t7_e, t7_f_a, t7_f_b, t7_ret;
34long t8_a, t8_b, t8_c, t8_d, t8_e, t8_f_a, t8_f_b, t8_g, t8_ret;
35
36
37SEC("fentry/bpf_testmod_test_struct_arg_1")
38int BPF_PROG2(test_struct_arg_1, struct bpf_testmod_struct_arg_2, a, int, b, int, c)
39{
40	t1_a_a = a.a;
41	t1_a_b = a.b;
42	t1_b = b;
43	t1_c = c;
44	return 0;
45}
46
47SEC("fexit/bpf_testmod_test_struct_arg_1")
48int BPF_PROG2(test_struct_arg_2, struct bpf_testmod_struct_arg_2, a, int, b, int, c, int, ret)
49{
50	t1_nregs =  bpf_get_func_arg_cnt(ctx);
51	/* a.a */
52	bpf_get_func_arg(ctx, 0, &t1_reg0);
53	/* a.b */
54	bpf_get_func_arg(ctx, 1, &t1_reg1);
55	/* b */
56	bpf_get_func_arg(ctx, 2, &t1_reg2);
57	t1_reg2 = (int)t1_reg2;
58	/* c */
59	bpf_get_func_arg(ctx, 3, &t1_reg3);
60	t1_reg3 = (int)t1_reg3;
61
62	t1_ret = ret;
63	return 0;
64}
65
66SEC("fentry/bpf_testmod_test_struct_arg_2")
67int BPF_PROG2(test_struct_arg_3, int, a, struct bpf_testmod_struct_arg_2, b, int, c)
68{
69	t2_a = a;
70	t2_b_a = b.a;
71	t2_b_b = b.b;
72	t2_c = c;
73	return 0;
74}
75
76SEC("fexit/bpf_testmod_test_struct_arg_2")
77int BPF_PROG2(test_struct_arg_4, int, a, struct bpf_testmod_struct_arg_2, b, int, c, int, ret)
78{
79	t2_ret = ret;
80	return 0;
81}
82
83SEC("fentry/bpf_testmod_test_struct_arg_3")
84int BPF_PROG2(test_struct_arg_5, int, a, int, b, struct bpf_testmod_struct_arg_2, c)
85{
86	t3_a = a;
87	t3_b = b;
88	t3_c_a = c.a;
89	t3_c_b = c.b;
90	return 0;
91}
92
93SEC("fexit/bpf_testmod_test_struct_arg_3")
94int BPF_PROG2(test_struct_arg_6, int, a, int, b, struct bpf_testmod_struct_arg_2, c, int, ret)
95{
96	t3_ret = ret;
97	return 0;
98}
99
100SEC("fentry/bpf_testmod_test_struct_arg_4")
101int BPF_PROG2(test_struct_arg_7, struct bpf_testmod_struct_arg_1, a, int, b,
102	     int, c, int, d, struct bpf_testmod_struct_arg_2, e)
103{
104	t4_a_a = a.a;
105	t4_b = b;
106	t4_c = c;
107	t4_d = d;
108	t4_e_a = e.a;
109	t4_e_b = e.b;
110	return 0;
111}
112
113SEC("fexit/bpf_testmod_test_struct_arg_4")
114int BPF_PROG2(test_struct_arg_8, struct bpf_testmod_struct_arg_1, a, int, b,
115	     int, c, int, d, struct bpf_testmod_struct_arg_2, e, int, ret)
116{
117	t4_ret = ret;
118	return 0;
119}
120
121SEC("fentry/bpf_testmod_test_struct_arg_5")
122int BPF_PROG2(test_struct_arg_9)
123{
124	return 0;
125}
126
127SEC("fexit/bpf_testmod_test_struct_arg_5")
128int BPF_PROG2(test_struct_arg_10, int, ret)
129{
130	t5_ret = ret;
131	return 0;
132}
133
134SEC("fentry/bpf_testmod_test_struct_arg_6")
135int BPF_PROG2(test_struct_arg_11, struct bpf_testmod_struct_arg_3 *, a)
136{
137	t6 = a->b[0];
138	return 0;
139}
140
141SEC("fentry/bpf_testmod_test_struct_arg_7")
142int BPF_PROG2(test_struct_arg_12, __u64, a, void *, b, short, c, int, d,
143	      void *, e, struct bpf_testmod_struct_arg_4, f)
144{
145	t7_a = a;
146	t7_b = (long)b;
147	t7_c = c;
148	t7_d = d;
149	t7_e = (long)e;
150	t7_f_a = f.a;
151	t7_f_b = f.b;
152	return 0;
153}
154
155SEC("fexit/bpf_testmod_test_struct_arg_7")
156int BPF_PROG2(test_struct_arg_13, __u64, a, void *, b, short, c, int, d,
157	      void *, e, struct bpf_testmod_struct_arg_4, f, int, ret)
158{
159	t7_ret = ret;
160	return 0;
161}
162
163SEC("fentry/bpf_testmod_test_struct_arg_8")
164int BPF_PROG2(test_struct_arg_14, __u64, a, void *, b, short, c, int, d,
165	      void *, e, struct bpf_testmod_struct_arg_4, f, int, g)
166{
167	t8_a = a;
168	t8_b = (long)b;
169	t8_c = c;
170	t8_d = d;
171	t8_e = (long)e;
172	t8_f_a = f.a;
173	t8_f_b = f.b;
174	t8_g = g;
175	return 0;
176}
177
178SEC("fexit/bpf_testmod_test_struct_arg_8")
179int BPF_PROG2(test_struct_arg_15, __u64, a, void *, b, short, c, int, d,
180	      void *, e, struct bpf_testmod_struct_arg_4, f, int, g,
181	      int, ret)
182{
183	t8_ret = ret;
184	return 0;
185}
186
187char _license[] SEC("license") = "GPL";
188