1*0b57cec5SDimitry Andric //===- Driver.h -------------------------------------------------*- C++ -*-===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #ifndef LLD_ELF_DRIVER_H 10*0b57cec5SDimitry Andric #define LLD_ELF_DRIVER_H 11*0b57cec5SDimitry Andric 12*0b57cec5SDimitry Andric #include "LTO.h" 13*0b57cec5SDimitry Andric #include "SymbolTable.h" 14*0b57cec5SDimitry Andric #include "lld/Common/LLVM.h" 15*0b57cec5SDimitry Andric #include "lld/Common/Reproduce.h" 16*0b57cec5SDimitry Andric #include "llvm/ADT/Optional.h" 17*0b57cec5SDimitry Andric #include "llvm/ADT/StringRef.h" 18*0b57cec5SDimitry Andric #include "llvm/ADT/StringSet.h" 19*0b57cec5SDimitry Andric #include "llvm/Option/ArgList.h" 20*0b57cec5SDimitry Andric #include "llvm/Support/raw_ostream.h" 21*0b57cec5SDimitry Andric 22*0b57cec5SDimitry Andric namespace lld { 23*0b57cec5SDimitry Andric namespace elf { 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric extern class LinkerDriver *driver; 26*0b57cec5SDimitry Andric 27*0b57cec5SDimitry Andric class LinkerDriver { 28*0b57cec5SDimitry Andric public: 29*0b57cec5SDimitry Andric void main(ArrayRef<const char *> args); 30*0b57cec5SDimitry Andric void addFile(StringRef path, bool withLOption); 31*0b57cec5SDimitry Andric void addLibrary(StringRef name); 32*0b57cec5SDimitry Andric 33*0b57cec5SDimitry Andric private: 34*0b57cec5SDimitry Andric void createFiles(llvm::opt::InputArgList &args); 35*0b57cec5SDimitry Andric void inferMachineType(); 36*0b57cec5SDimitry Andric template <class ELFT> void link(llvm::opt::InputArgList &args); 37*0b57cec5SDimitry Andric template <class ELFT> void compileBitcodeFiles(); 38*0b57cec5SDimitry Andric 39*0b57cec5SDimitry Andric // True if we are in --whole-archive and --no-whole-archive. 40*0b57cec5SDimitry Andric bool inWholeArchive = false; 41*0b57cec5SDimitry Andric 42*0b57cec5SDimitry Andric // True if we are in --start-lib and --end-lib. 43*0b57cec5SDimitry Andric bool inLib = false; 44*0b57cec5SDimitry Andric 45*0b57cec5SDimitry Andric // For LTO. 46*0b57cec5SDimitry Andric std::unique_ptr<BitcodeCompiler> lto; 47*0b57cec5SDimitry Andric 48*0b57cec5SDimitry Andric std::vector<InputFile *> files; 49*0b57cec5SDimitry Andric }; 50*0b57cec5SDimitry Andric 51*0b57cec5SDimitry Andric // Parses command line options. 52*0b57cec5SDimitry Andric class ELFOptTable : public llvm::opt::OptTable { 53*0b57cec5SDimitry Andric public: 54*0b57cec5SDimitry Andric ELFOptTable(); 55*0b57cec5SDimitry Andric llvm::opt::InputArgList parse(ArrayRef<const char *> argv); 56*0b57cec5SDimitry Andric }; 57*0b57cec5SDimitry Andric 58*0b57cec5SDimitry Andric // Create enum with OPT_xxx values for each option in Options.td 59*0b57cec5SDimitry Andric enum { 60*0b57cec5SDimitry Andric OPT_INVALID = 0, 61*0b57cec5SDimitry Andric #define OPTION(_1, _2, ID, _4, _5, _6, _7, _8, _9, _10, _11, _12) OPT_##ID, 62*0b57cec5SDimitry Andric #include "Options.inc" 63*0b57cec5SDimitry Andric #undef OPTION 64*0b57cec5SDimitry Andric }; 65*0b57cec5SDimitry Andric 66*0b57cec5SDimitry Andric void printHelp(); 67*0b57cec5SDimitry Andric std::string createResponseFile(const llvm::opt::InputArgList &args); 68*0b57cec5SDimitry Andric 69*0b57cec5SDimitry Andric llvm::Optional<std::string> findFromSearchPaths(StringRef path); 70*0b57cec5SDimitry Andric llvm::Optional<std::string> searchScript(StringRef path); 71*0b57cec5SDimitry Andric llvm::Optional<std::string> searchLibraryBaseName(StringRef path); 72*0b57cec5SDimitry Andric llvm::Optional<std::string> searchLibrary(StringRef path); 73*0b57cec5SDimitry Andric 74*0b57cec5SDimitry Andric } // namespace elf 75*0b57cec5SDimitry Andric } // namespace lld 76*0b57cec5SDimitry Andric 77*0b57cec5SDimitry Andric #endif 78