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      1 //==- CodeViewYAMLTypeHashing.h - CodeView YAMLIO Type hashing ----*- 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 // This file defines classes for handling the YAML representation of CodeView
     10 // Debug Info.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef LLVM_OBJECTYAML_CODEVIEWYAMLTYPEHASHING_H
     15 #define LLVM_OBJECTYAML_CODEVIEWYAMLTYPEHASHING_H
     16 
     17 #include "llvm/ADT/ArrayRef.h"
     18 #include "llvm/DebugInfo/CodeView/TypeHashing.h"
     19 #include "llvm/ObjectYAML/YAML.h"
     20 #include "llvm/Support/Allocator.h"
     21 #include "llvm/Support/Error.h"
     22 #include "llvm/Support/YAMLTraits.h"
     23 #include <cstdint>
     24 #include <memory>
     25 #include <vector>
     26 
     27 namespace llvm {
     28 
     29 namespace CodeViewYAML {
     30 
     31 struct GlobalHash {
     32   GlobalHash() = default;
     33   explicit GlobalHash(StringRef S) : Hash(S) {
     34     assert(S.size() == 8 && "Invalid hash size!");
     35   }
     36   explicit GlobalHash(ArrayRef<uint8_t> S) : Hash(S) {
     37     assert(S.size() == 8 && "Invalid hash size!");
     38   }
     39   yaml::BinaryRef Hash;
     40 };
     41 
     42 struct DebugHSection {
     43   uint32_t Magic;
     44   uint16_t Version;
     45   uint16_t HashAlgorithm;
     46   std::vector<GlobalHash> Hashes;
     47 };
     48 
     49 DebugHSection fromDebugH(ArrayRef<uint8_t> DebugH);
     50 ArrayRef<uint8_t> toDebugH(const DebugHSection &DebugH,
     51                            BumpPtrAllocator &Alloc);
     52 
     53 } // end namespace CodeViewYAML
     54 
     55 } // end namespace llvm
     56 
     57 LLVM_YAML_DECLARE_MAPPING_TRAITS(CodeViewYAML::DebugHSection)
     58 LLVM_YAML_DECLARE_SCALAR_TRAITS(CodeViewYAML::GlobalHash, QuotingType::None)
     59 LLVM_YAML_IS_SEQUENCE_VECTOR(CodeViewYAML::GlobalHash)
     60 
     61 #endif // LLVM_OBJECTYAML_CODEVIEWYAMLTYPEHASHING_H
     62