xref: /freebsd/contrib/llvm-project/lld/ELF/Driver.h (revision 02e9120893770924227138ba49df1edb3896112a)
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(_1, _2, ID, _4, _5, _6, _7, _8, _9, _10, _11, _12) OPT_##ID,
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