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Linux kernel mirror (for testing)
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1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */
3#include "bpf_experimental.h"
4#include <bpf/bpf_helpers.h>
5#include "bpf_misc.h"
6#include <stdbool.h>
7
8char _license[] SEC("license") = "GPL";
9
10typedef __s32 s32;
11typedef s32 i32;
12typedef __u8 u8;
13
14enum Enum { EA1 = 0, EA2 = 11, EA3 = 10 };
15enum Enumu64 {EB1 = 0llu, EB2 = 12llu };
16enum Enums64 { EC1 = 0ll, EC2 = 13ll };
17
18const volatile __s64 var_s64 = -1;
19const volatile __u64 var_u64 = 0;
20const volatile i32 var_s32 = -1;
21const volatile __u32 var_u32 = 0;
22const volatile __s16 var_s16 = -1;
23const volatile __u16 var_u16 = 0;
24const volatile __s8 var_s8 = -1;
25const volatile u8 var_u8 = 0;
26const volatile enum Enum var_ea = EA1;
27const volatile enum Enumu64 var_eb = EB1;
28const volatile enum Enums64 var_ec = EC1;
29const volatile bool var_b = false;
30const volatile i32 arr[32];
31const volatile enum Enum enum_arr[32];
32const volatile i32 three_d[47][19][17];
33const volatile i32 *ptr_arr[32];
34
35struct Struct {
36 int:16;
37 __u16 filler;
38 struct {
39 const __u16 filler2;
40 };
41 struct Struct2 {
42 __u16 filler;
43 volatile struct {
44 const int:1;
45 union {
46 const volatile u8 var_u8[3];
47 const volatile __s16 filler3;
48 const int:1;
49 s32 mat[7][5];
50 } u;
51 };
52 } struct2[2][4];
53};
54
55const volatile __u32 stru = 0; /* same prefix as below */
56const volatile struct Struct struct1[3];
57const volatile struct Struct struct11[11][7];
58
59struct Struct3 {
60 struct {
61 u8 var_u8_l;
62 };
63 struct {
64 struct {
65 u8 var_u8_h;
66 };
67 };
68};
69
70typedef struct Struct3 Struct3_t;
71
72union Union {
73 __u16 var_u16;
74 Struct3_t struct3;
75};
76
77const volatile union Union union1 = {.var_u16 = -1};
78
79SEC("socket")
80int test_set_globals(void *ctx)
81{
82 volatile __s8 a;
83
84 a = var_s64;
85 a = var_u64;
86 a = var_s32;
87 a = var_u32;
88 a = var_s16;
89 a = var_u16;
90 a = var_s8;
91 a = var_u8;
92 a = var_ea;
93 a = var_eb;
94 a = var_ec;
95 a = var_b;
96 a = struct1[2].struct2[1][2].u.var_u8[2];
97 a = union1.var_u16;
98 a = arr[3];
99 a = arr[EA2];
100 a = enum_arr[EC2];
101 a = three_d[31][7][EA2];
102 a = struct1[2].struct2[1][2].u.mat[5][3];
103 a = struct11[7][5].struct2[0][1].u.mat[3][0];
104
105 return a;
106}