| 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 | |
| 8 | char _license[] SEC("license") = "GPL"; |
| 9 | |
| 10 | enum Enum { EA1 = 0, EA2 = 11 }; |
| 11 | enum Enumu64 {EB1 = 0llu, EB2 = 12llu }; |
| 12 | enum Enums64 { EC1 = 0ll, EC2 = 13ll }; |
| 13 | |
| 14 | const volatile __s64 var_s64 = -1; |
| 15 | const volatile __u64 var_u64 = 0; |
| 16 | const volatile __s32 var_s32 = -1; |
| 17 | const volatile __u32 var_u32 = 0; |
| 18 | const volatile __s16 var_s16 = -1; |
| 19 | const volatile __u16 var_u16 = 0; |
| 20 | const volatile __s8 var_s8 = -1; |
| 21 | const volatile __u8 var_u8 = 0; |
| 22 | const volatile enum Enum var_ea = EA1; |
| 23 | const volatile enum Enumu64 var_eb = EB1; |
| 24 | const volatile enum Enums64 var_ec = EC1; |
| 25 | const volatile bool var_b = false; |
| 26 | |
| 27 | struct Struct { |
| 28 | int:16; |
| 29 | __u16 filler; |
| 30 | struct { |
| 31 | const __u16 filler2; |
| 32 | }; |
| 33 | struct Struct2 { |
| 34 | __u16 filler; |
| 35 | volatile struct { |
| 36 | const int:1; |
| 37 | union { |
| 38 | const volatile __u8 var_u8; |
| 39 | const volatile __s16 filler3; |
| 40 | const int:1; |
| 41 | } u; |
| 42 | }; |
| 43 | } struct2; |
| 44 | }; |
| 45 | |
| 46 | const volatile __u32 stru = 0; /* same prefix as below */ |
| 47 | const volatile struct Struct struct1 = {.struct2 = {.u = {.var_u8 = 1}}}; |
| 48 | |
| 49 | union Union { |
| 50 | __u16 var_u16; |
| 51 | struct Struct3 { |
| 52 | struct { |
| 53 | __u8 var_u8_l; |
| 54 | }; |
| 55 | struct { |
| 56 | struct { |
| 57 | __u8 var_u8_h; |
| 58 | }; |
| 59 | }; |
| 60 | } struct3; |
| 61 | }; |
| 62 | |
| 63 | const volatile union Union union1 = {.var_u16 = -1}; |
| 64 | |
| 65 | char arr[4] = {0}; |
| 66 | |
| 67 | SEC("socket") |
| 68 | int test_set_globals(void *ctx) |
| 69 | { |
| 70 | volatile __s8 a; |
| 71 | |
| 72 | a = var_s64; |
| 73 | a = var_u64; |
| 74 | a = var_s32; |
| 75 | a = var_u32; |
| 76 | a = var_s16; |
| 77 | a = var_u16; |
| 78 | a = var_s8; |
| 79 | a = var_u8; |
| 80 | a = var_ea; |
| 81 | a = var_eb; |
| 82 | a = var_ec; |
| 83 | a = var_b; |
| 84 | a = struct1.struct2.u.var_u8; |
| 85 | a = union1.var_u16; |
| 86 | |
| 87 | return a; |
| 88 | } |
| 89 |