// 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; }