lld/ELF/Driver.h

   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