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  1. //===-- ELFAttributes.h - ELF Attributes ------------------------*- 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_SUPPORT_ELFATTRIBUTES_H
  10. #define LLVM_SUPPORT_ELFATTRIBUTES_H
  11.  
  12. #include "llvm/ADT/ArrayRef.h"
  13. #include "llvm/ADT/StringRef.h"
  14. #include <optional>
  15.  
  16. namespace llvm {
  17.  
  18. struct TagNameItem {
  19.   unsigned attr;
  20.   StringRef tagName;
  21. };
  22.  
  23. using TagNameMap = ArrayRef<TagNameItem>;
  24.  
  25. namespace ELFAttrs {
  26.  
  27. enum AttrType : unsigned { File = 1, Section = 2, Symbol = 3 };
  28.  
  29. StringRef attrTypeAsString(unsigned attr, TagNameMap tagNameMap,
  30.                            bool hasTagPrefix = true);
  31. std::optional<unsigned> attrTypeFromString(StringRef tag, TagNameMap tagNameMap);
  32.  
  33. // Magic numbers for ELF attributes.
  34. enum AttrMagic { Format_Version = 0x41 };
  35.  
  36. } // namespace ELFAttrs
  37. } // namespace llvm
  38. #endif
  39.