CodeViewYAMLTypeHashing.h

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//==- CodeViewYAMLTypeHashing.h - CodeView YAMLIO Type hashing ----*- C++-*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines classes for handling the YAML representation of CodeView
// Debug Info.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_OBJECTYAML_CODEVIEWYAMLTYPEHASHING_H
#define LLVM_OBJECTYAML_CODEVIEWYAMLTYPEHASHING_H
 
#include "llvm/ADT/ArrayRef.h"
#include "llvm/DebugInfo/CodeView/TypeHashing.h"
#include "llvm/ObjectYAML/YAML.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/YAMLTraits.h"
#include <cstdint>
#include <vector>
 
namespace llvm {
 
namespace CodeViewYAML {
 
struct GlobalHash {
  GlobalHash() = default;
  explicit GlobalHash(StringRef S) : Hash(S) {
    assert(S.size() == 8 && "Invalid hash size!");
  }
  explicit GlobalHash(ArrayRef<uint8_t> S) : Hash(S) {
    assert(S.size() == 8 && "Invalid hash size!");
  }
  yaml::BinaryRef Hash;
};
 
struct DebugHSection {
  uint32_t Magic;
  uint16_t Version;
  uint16_t HashAlgorithm;
  std::vector<GlobalHash> Hashes;
};
 
DebugHSection fromDebugH(ArrayRef<uint8_t> DebugH);
ArrayRef<uint8_t> toDebugH(const DebugHSection &DebugH,
                           BumpPtrAllocator &Alloc);
 
} // end namespace CodeViewYAML
 
} // end namespace llvm
 
LLVM_YAML_DECLARE_MAPPING_TRAITS(CodeViewYAML::DebugHSection)
LLVM_YAML_DECLARE_SCALAR_TRAITS(CodeViewYAML::GlobalHash, QuotingType::None)
LLVM_YAML_IS_SEQUENCE_VECTOR(CodeViewYAML::GlobalHash)
 
#endif // LLVM_OBJECTYAML_CODEVIEWYAMLTYPEHASHING_H