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
14namespace llvm {
15
16class BPFCoreSharedInfo {
17public:
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