include/llvm/ObjectYAML/CodeViewYAMLTypeHashing.h

   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_CODEVIEWYAMLTYPES_H