1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */ 3 4 #include <linux/bpf.h> 5 #include <stdint.h> 6 #include <stdbool.h> 7 #include <bpf/bpf_helpers.h> 8 #include <bpf/bpf_core_read.h> 9 10 char _license[] SEC("license") = "GPL"; 11 12 struct { 13 char in[256]; 14 char out[256]; 15 bool skip; 16 } data = {}; 17 18 enum named_unsigned_enum64 { 19 UNSIGNED_ENUM64_VAL1 = 0x1ffffffffULL, 20 UNSIGNED_ENUM64_VAL2 = 0x2ffffffffULL, 21 UNSIGNED_ENUM64_VAL3 = 0x3ffffffffULL, 22 }; 23 24 enum named_signed_enum64 { 25 SIGNED_ENUM64_VAL1 = 0x1ffffffffLL, 26 SIGNED_ENUM64_VAL2 = -2, 27 SIGNED_ENUM64_VAL3 = 0x3ffffffffLL, 28 }; 29 30 struct core_reloc_enum64val_output { 31 bool unsigned_val1_exists; 32 bool unsigned_val2_exists; 33 bool unsigned_val3_exists; 34 bool signed_val1_exists; 35 bool signed_val2_exists; 36 bool signed_val3_exists; 37 38 long unsigned_val1; 39 long unsigned_val2; 40 long signed_val1; 41 long signed_val2; 42 }; 43 44 SEC("raw_tracepoint/sys_enter") 45 int test_core_enum64val(void *ctx) 46 { 47 #if __clang_major__ >= 15 48 struct core_reloc_enum64val_output *out = (void *)&data.out; 49 enum named_unsigned_enum64 named_unsigned = 0; 50 enum named_signed_enum64 named_signed = 0; 51 52 out->unsigned_val1_exists = bpf_core_enum_value_exists(named_unsigned, UNSIGNED_ENUM64_VAL1); 53 out->unsigned_val2_exists = bpf_core_enum_value_exists(enum named_unsigned_enum64, UNSIGNED_ENUM64_VAL2); 54 out->unsigned_val3_exists = bpf_core_enum_value_exists(enum named_unsigned_enum64, UNSIGNED_ENUM64_VAL3); 55 out->signed_val1_exists = bpf_core_enum_value_exists(named_signed, SIGNED_ENUM64_VAL1); 56 out->signed_val2_exists = bpf_core_enum_value_exists(enum named_signed_enum64, SIGNED_ENUM64_VAL2); 57 out->signed_val3_exists = bpf_core_enum_value_exists(enum named_signed_enum64, SIGNED_ENUM64_VAL3); 58 59 out->unsigned_val1 = bpf_core_enum_value(named_unsigned, UNSIGNED_ENUM64_VAL1); 60 out->unsigned_val2 = bpf_core_enum_value(named_unsigned, UNSIGNED_ENUM64_VAL2); 61 out->signed_val1 = bpf_core_enum_value(named_signed, SIGNED_ENUM64_VAL1); 62 out->signed_val2 = bpf_core_enum_value(named_signed, SIGNED_ENUM64_VAL2); 63 /* NAMED_ENUM64_VAL3 value is optional */ 64 65 #else 66 data.skip = true; 67 #endif 68 69 return 0; 70 } 71