//===- llvm/Object/BuildID.h - Build ID -------------------------*- 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
 
//
 
//===----------------------------------------------------------------------===//
 
///
 
/// \file
 
/// This file declares a library for handling Build IDs and using them to find
 
/// debug info.
 
///
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_DEBUGINFO_OBJECT_BUILDID_H
 
#define LLVM_DEBUGINFO_OBJECT_BUILDID_H
 
 
 
#include "llvm/ADT/ArrayRef.h"
 
#include "llvm/ADT/SmallVector.h"
 
 
 
namespace llvm {
 
namespace object {
 
 
 
/// A build ID in binary form.
 
typedef SmallVector<uint8_t, 10> BuildID;
 
 
 
/// A reference to a BuildID in binary form.
 
typedef ArrayRef<uint8_t> BuildIDRef;
 
 
 
class ObjectFile;
 
 
 
/// Returns the build ID, if any, contained in the given object file.
 
std::optional<BuildIDRef> getBuildID(const ObjectFile *Obj);
 
 
 
/// BuildIDFetcher searches local cache directories for debug info.
 
class BuildIDFetcher {
 
public:
 
  BuildIDFetcher(std::vector<std::string> DebugFileDirectories)
 
      : DebugFileDirectories(std::move(DebugFileDirectories)) {}
 
  virtual ~BuildIDFetcher() = default;
 
 
 
  /// Returns the path to the debug file with the given build ID.
 
  virtual std::optional<std::string> fetch(BuildIDRef BuildID) const;
 
 
 
private:
 
  const std::vector<std::string> DebugFileDirectories;
 
};
 
 
 
} // namespace object
 
} // namespace llvm
 
 
 
#endif // LLVM_DEBUGINFO_OBJECT_BUILDID_H