- //===- 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 
-