1 //===- BPFCORE.h - Common info for Compile-Once Run-EveryWhere -*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIB_TARGET_BPF_BPFCORE_H 10 #define LLVM_LIB_TARGET_BPF_BPFCORE_H 11 12 #include "llvm/ADT/StringRef.h" 13 14 namespace llvm { 15 16 class BPFCoreSharedInfo { 17 public: 18 enum PatchableRelocKind : uint32_t { 19 FIELD_BYTE_OFFSET = 0, 20 FIELD_BYTE_SIZE, 21 FIELD_EXISTENCE, 22 FIELD_SIGNEDNESS, 23 FIELD_LSHIFT_U64, 24 FIELD_RSHIFT_U64, 25 BTF_TYPE_ID_LOCAL, 26 BTF_TYPE_ID_REMOTE, 27 28 MAX_FIELD_RELOC_KIND, 29 }; 30 31 enum BTFTypeIdFlag : uint32_t { 32 BTF_TYPE_ID_LOCAL_RELOC = 0, 33 BTF_TYPE_ID_REMOTE_RELOC, 34 35 MAX_BTF_TYPE_ID_FLAG, 36 }; 37 38 /// The attribute attached to globals representing a field access 39 static constexpr StringRef AmaAttr = "btf_ama"; 40 /// The attribute attached to globals representing a type id 41 static constexpr StringRef TypeIdAttr = "btf_type_id"; 42 }; 43 44 } // namespace llvm 45 46 #endif 47