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 struct Ctx; 19 20 // Parses command line options. 21 class ELFOptTable : public llvm::opt::GenericOptTable { 22 public: 23 ELFOptTable(); 24 llvm::opt::InputArgList parse(Ctx &, ArrayRef<const char *> argv); 25 }; 26 27 // Create enum with OPT_xxx values for each option in Options.td 28 enum { 29 OPT_INVALID = 0, 30 #define OPTION(...) LLVM_MAKE_OPT_ID(__VA_ARGS__), 31 #include "Options.inc" 32 #undef OPTION 33 }; 34 35 void printHelp(Ctx &ctx); 36 std::string createResponseFile(const llvm::opt::InputArgList &args); 37 38 std::optional<std::string> findFromSearchPaths(Ctx &, StringRef path); 39 std::optional<std::string> searchScript(Ctx &, StringRef path); 40 std::optional<std::string> searchLibraryBaseName(Ctx &, StringRef path); 41 std::optional<std::string> searchLibrary(Ctx &, StringRef path); 42 43 } // namespace lld::elf 44 45 #endif 46