| //===- lld/Core/Writer.h - Abstract File Format Interface -----------------===// |
| // |
| // The LLVM Linker |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLD_CORE_WRITER_H |
| #define LLD_CORE_WRITER_H |
| |
| #include "lld/Common/LLVM.h" |
| #include "llvm/Support/Error.h" |
| #include <memory> |
| #include <vector> |
| |
| namespace lld { |
| class File; |
| class LinkingContext; |
| class MachOLinkingContext; |
| |
| /// The Writer is an abstract class for writing object files, shared |
| /// library files, and executable files. Each file format (e.g. mach-o, etc) |
| /// has a concrete subclass of Writer. |
| class Writer { |
| public: |
| virtual ~Writer(); |
| |
| /// Write a file from the supplied File object |
| virtual llvm::Error writeFile(const File &linkedFile, StringRef path) = 0; |
| |
| /// This method is called by Core Linking to give the Writer a chance |
| /// to add file format specific "files" to set of files to be linked. This is |
| /// how file format specific atoms can be added to the link. |
| virtual void createImplicitFiles(std::vector<std::unique_ptr<File>> &) {} |
| |
| protected: |
| // only concrete subclasses can be instantiated |
| Writer(); |
| }; |
| |
| std::unique_ptr<Writer> createWriterMachO(const MachOLinkingContext &); |
| std::unique_ptr<Writer> createWriterYAML(const LinkingContext &); |
| } // end namespace lld |
| |
| #endif |