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  1. //===- TypeIndexDiscovery.h -------------------------------------*- 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_DEBUGINFO_CODEVIEW_TYPEINDEXDISCOVERY_H
  10. #define LLVM_DEBUGINFO_CODEVIEW_TYPEINDEXDISCOVERY_H
  11.  
  12. #include "llvm/ADT/ArrayRef.h"
  13. #include "llvm/DebugInfo/CodeView/CVRecord.h"
  14.  
  15. namespace llvm {
  16. template <typename T> class SmallVectorImpl;
  17. namespace codeview {
  18. class TypeIndex;
  19. enum class TiRefKind { TypeRef, IndexRef };
  20. struct TiReference {
  21.   TiRefKind Kind;
  22.   uint32_t Offset;
  23.   uint32_t Count;
  24. };
  25.  
  26. void discoverTypeIndices(ArrayRef<uint8_t> RecordData,
  27.                          SmallVectorImpl<TiReference> &Refs);
  28. void discoverTypeIndices(const CVType &Type,
  29.                          SmallVectorImpl<TiReference> &Refs);
  30. void discoverTypeIndices(const CVType &Type,
  31.                          SmallVectorImpl<TypeIndex> &Indices);
  32. void discoverTypeIndices(ArrayRef<uint8_t> RecordData,
  33.                          SmallVectorImpl<TypeIndex> &Indices);
  34.  
  35. /// Discover type indices in symbol records. Returns false if this is an unknown
  36. /// record.
  37. bool discoverTypeIndicesInSymbol(const CVSymbol &Symbol,
  38.                                  SmallVectorImpl<TiReference> &Refs);
  39. bool discoverTypeIndicesInSymbol(ArrayRef<uint8_t> RecordData,
  40.                                  SmallVectorImpl<TiReference> &Refs);
  41. bool discoverTypeIndicesInSymbol(ArrayRef<uint8_t> RecordData,
  42.                                  SmallVectorImpl<TypeIndex> &Indices);
  43. }
  44. }
  45.  
  46. #endif
  47.