1 //===- Driver.h -------------------------------------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef LLD_ELF_DRIVER_H
10 #define LLD_ELF_DRIVER_H
13 #include "SymbolTable.h"
14 #include "lld/Common/LLVM.h"
15 #include "lld/Common/Reproduce.h"
16 #include "llvm/ADT/Optional.h"
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/ADT/StringSet.h"
19 #include "llvm/Option/ArgList.h"
20 #include "llvm/Support/raw_ostream.h"
25 extern class LinkerDriver *driver;
29 void main(ArrayRef<const char *> args);
30 void addFile(StringRef path, bool withLOption);
31 void addLibrary(StringRef name);
34 void createFiles(llvm::opt::InputArgList &args);
35 void inferMachineType();
36 template <class ELFT> void link(llvm::opt::InputArgList &args);
37 template <class ELFT> void compileBitcodeFiles();
39 // True if we are in --whole-archive and --no-whole-archive.
40 bool inWholeArchive = false;
42 // True if we are in --start-lib and --end-lib.
46 std::unique_ptr<BitcodeCompiler> lto;
48 std::vector<InputFile *> files;
51 // Parses command line options.
52 class ELFOptTable : public llvm::opt::OptTable {
55 llvm::opt::InputArgList parse(ArrayRef<const char *> argv);
58 // Create enum with OPT_xxx values for each option in Options.td
61 #define OPTION(_1, _2, ID, _4, _5, _6, _7, _8, _9, _10, _11, _12) OPT_##ID,
62 #include "Options.inc"
67 std::string createResponseFile(const llvm::opt::InputArgList &args);
69 llvm::Optional<std::string> findFromSearchPaths(StringRef path);
70 llvm::Optional<std::string> searchScript(StringRef path);
71 llvm::Optional<std::string> searchLibraryBaseName(StringRef path);
72 llvm::Optional<std::string> searchLibrary(StringRef path);