| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */ |
| |
| #include <linux/bpf.h> |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <bpf/bpf_helpers.h> |
| #include <bpf/bpf_core_read.h> |
| |
| char _license[] SEC("license") = "GPL"; |
| |
| struct { |
| char in[256]; |
| char out[256]; |
| bool skip; |
| } data = {}; |
| |
| enum named_unsigned_enum64 { |
| UNSIGNED_ENUM64_VAL1 = 0x1ffffffffULL, |
| UNSIGNED_ENUM64_VAL2 = 0x2ffffffffULL, |
| UNSIGNED_ENUM64_VAL3 = 0x3ffffffffULL, |
| }; |
| |
| enum named_signed_enum64 { |
| SIGNED_ENUM64_VAL1 = 0x1ffffffffLL, |
| SIGNED_ENUM64_VAL2 = -2, |
| SIGNED_ENUM64_VAL3 = 0x3ffffffffLL, |
| }; |
| |
| struct core_reloc_enum64val_output { |
| bool unsigned_val1_exists; |
| bool unsigned_val2_exists; |
| bool unsigned_val3_exists; |
| bool signed_val1_exists; |
| bool signed_val2_exists; |
| bool signed_val3_exists; |
| |
| long unsigned_val1; |
| long unsigned_val2; |
| long signed_val1; |
| long signed_val2; |
| }; |
| |
| SEC("raw_tracepoint/sys_enter") |
| int test_core_enum64val(void *ctx) |
| { |
| #if __clang_major__ >= 15 |
| struct core_reloc_enum64val_output *out = (void *)&data.out; |
| enum named_unsigned_enum64 named_unsigned = 0; |
| enum named_signed_enum64 named_signed = 0; |
| |
| out->unsigned_val1_exists = bpf_core_enum_value_exists(named_unsigned, UNSIGNED_ENUM64_VAL1); |
| out->unsigned_val2_exists = bpf_core_enum_value_exists(enum named_unsigned_enum64, UNSIGNED_ENUM64_VAL2); |
| out->unsigned_val3_exists = bpf_core_enum_value_exists(enum named_unsigned_enum64, UNSIGNED_ENUM64_VAL3); |
| out->signed_val1_exists = bpf_core_enum_value_exists(named_signed, SIGNED_ENUM64_VAL1); |
| out->signed_val2_exists = bpf_core_enum_value_exists(enum named_signed_enum64, SIGNED_ENUM64_VAL2); |
| out->signed_val3_exists = bpf_core_enum_value_exists(enum named_signed_enum64, SIGNED_ENUM64_VAL3); |
| |
| out->unsigned_val1 = bpf_core_enum_value(named_unsigned, UNSIGNED_ENUM64_VAL1); |
| out->unsigned_val2 = bpf_core_enum_value(named_unsigned, UNSIGNED_ENUM64_VAL2); |
| out->signed_val1 = bpf_core_enum_value(named_signed, SIGNED_ENUM64_VAL1); |
| out->signed_val2 = bpf_core_enum_value(named_signed, SIGNED_ENUM64_VAL2); |
| /* NAMED_ENUM64_VAL3 value is optional */ |
| |
| #else |
| data.skip = true; |
| #endif |
| |
| return 0; |
| } |