1 //===- Driver.h -------------------------------------------------*- C++ -*-===// 2 // 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 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLD_ELF_DRIVER_H 10 #define LLD_ELF_DRIVER_H 11 12 #include "lld/Common/LLVM.h" 13 #include "llvm/ADT/StringRef.h" 14 #include "llvm/Option/ArgList.h" 15 #include <optional> 16 17 namespace lld::elf { 18 // Parses command line options. 19 class ELFOptTable : public llvm::opt::GenericOptTable { 20 public: 21 ELFOptTable(); 22 llvm::opt::InputArgList parse(ArrayRef<const char *> argv); 23 }; 24 25 // Create enum with OPT_xxx values for each option in Options.td 26 enum { 27 OPT_INVALID = 0, 28 #define OPTION(...) LLVM_MAKE_OPT_ID(__VA_ARGS__), 29 #include "Options.inc" 30 #undef OPTION 31 }; 32 33 void printHelp(); 34 std::string createResponseFile(const llvm::opt::InputArgList &args); 35 36 std::optional<std::string> findFromSearchPaths(StringRef path); 37 std::optional<std::string> searchScript(StringRef path); 38 std::optional<std::string> searchLibraryBaseName(StringRef path); 39 std::optional<std::string> searchLibrary(StringRef path); 40 41 } // namespace lld::elf 42 43 #endif 44