1 files changed, 0 insertions, 323 deletions

diff --git a/contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp b/contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
deleted file mode 100644
index 18ab6637305e..000000000000
--- a/contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
+++ /dev/null
@@ -1,323 +0,0 @@
-//===- LibDriver.cpp - lib.exe-compatible driver --------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// Defines an interface to a lib.exe-compatible driver that also understands
-// bitcode files. Used by llvm-lib and lld-link /lib.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ToolDrivers/llvm-lib/LibDriver.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/BinaryFormat/COFF.h"
-#include "llvm/BinaryFormat/Magic.h"
-#include "llvm/Bitcode/BitcodeReader.h"
-#include "llvm/Object/ArchiveWriter.h"
-#include "llvm/Object/COFF.h"
-#include "llvm/Object/WindowsMachineFlag.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/StringSaver.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-namespace {
-
-enum {
-  OPT_INVALID = 0,
-#define OPTION(_1, _2, ID, _4, _5, _6, _7, _8, _9, _10, _11, _12) OPT_##ID,
-#include "Options.inc"
-#undef OPTION
-};
-
-#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
-#include "Options.inc"
-#undef PREFIX
-
-static const opt::OptTable::Info InfoTable[] = {
-#define OPTION(X1, X2, ID, KIND, GROUP, ALIAS, X7, X8, X9, X10, X11, X12)      \
-  {X1, X2, X10,         X11,         OPT_##ID, opt::Option::KIND##Class,       \
-   X9, X8, OPT_##GROUP, OPT_##ALIAS, X7,       X12},
-#include "Options.inc"
-#undef OPTION
-};
-
-class LibOptTable : public opt::OptTable {
-public:
-  LibOptTable() : OptTable(InfoTable, true) {}
-};
-
-}
-
-static std::string getOutputPath(opt::InputArgList *Args,
-                                 const NewArchiveMember &FirstMember) {
-  if (auto *Arg = Args->getLastArg(OPT_out))
-    return Arg->getValue();
-  SmallString<128> Val = StringRef(FirstMember.Buf->getBufferIdentifier());
-  sys::path::replace_extension(Val, ".lib");
-  return Val.str();
-}
-
-static std::vector<StringRef> getSearchPaths(opt::InputArgList *Args,
-                                             StringSaver &Saver) {
-  std::vector<StringRef> Ret;
-  // Add current directory as first item of the search path.
-  Ret.push_back("");
-
-  // Add /libpath flags.
-  for (auto *Arg : Args->filtered(OPT_libpath))
-    Ret.push_back(Arg->getValue());
-
-  // Add $LIB.
-  Optional<std::string> EnvOpt = sys::Process::GetEnv("LIB");
-  if (!EnvOpt.hasValue())
-    return Ret;
-  StringRef Env = Saver.save(*EnvOpt);
-  while (!Env.empty()) {
-    StringRef Path;
-    std::tie(Path, Env) = Env.split(';');
-    Ret.push_back(Path);
-  }
-  return Ret;
-}
-
-static std::string findInputFile(StringRef File, ArrayRef<StringRef> Paths) {
-  for (StringRef Dir : Paths) {
-    SmallString<128> Path = Dir;
-    sys::path::append(Path, File);
-    if (sys::fs::exists(Path))
-      return Path.str().str();
-  }
-  return "";
-}
-
-static void fatalOpenError(llvm::Error E, Twine File) {
-  if (!E)
-    return;
-  handleAllErrors(std::move(E), [&](const llvm::ErrorInfoBase &EIB) {
-    llvm::errs() << "error opening '" << File << "': " << EIB.message() << '\n';
-    exit(1);
-  });
-}
-
-static void doList(opt::InputArgList& Args) {
-  // lib.exe prints the contents of the first archive file.
-  std::unique_ptr<MemoryBuffer> B;
-  for (auto *Arg : Args.filtered(OPT_INPUT)) {
-    // Create or open the archive object.
-    ErrorOr<std::unique_ptr<MemoryBuffer>> MaybeBuf =
-        MemoryBuffer::getFile(Arg->getValue(), -1, false);
-    fatalOpenError(errorCodeToError(MaybeBuf.getError()), Arg->getValue());
-
-    if (identify_magic(MaybeBuf.get()->getBuffer()) == file_magic::archive) {
-      B = std::move(MaybeBuf.get());
-      break;
-    }
-  }
-
-  // lib.exe doesn't print an error if no .lib files are passed.
-  if (!B)
-    return;
-
-  Error Err = Error::success();
-  object::Archive Archive(B.get()->getMemBufferRef(), Err);
-  fatalOpenError(std::move(Err), B->getBufferIdentifier());
-
-  for (auto &C : Archive.children(Err)) {
-    Expected<StringRef> NameOrErr = C.getName();
-    fatalOpenError(NameOrErr.takeError(), B->getBufferIdentifier());
-    StringRef Name = NameOrErr.get();
-    llvm::outs() << Name << '\n';
-  }
-  fatalOpenError(std::move(Err), B->getBufferIdentifier());
-}
-
-int llvm::libDriverMain(ArrayRef<const char *> ArgsArr) {
-  BumpPtrAllocator Alloc;
-  StringSaver Saver(Alloc);
-
-  // Parse command line arguments.
-  SmallVector<const char *, 20> NewArgs(ArgsArr.begin(), ArgsArr.end());
-  cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgs);
-  ArgsArr = NewArgs;
-
-  LibOptTable Table;
-  unsigned MissingIndex;
-  unsigned MissingCount;
-  opt::InputArgList Args =
-      Table.ParseArgs(ArgsArr.slice(1), MissingIndex, MissingCount);
-  if (MissingCount) {
-    llvm::errs() << "missing arg value for \""
-                 << Args.getArgString(MissingIndex) << "\", expected "
-                 << MissingCount
-                 << (MissingCount == 1 ? " argument.\n" : " arguments.\n");
-    return 1;
-  }
-  for (auto *Arg : Args.filtered(OPT_UNKNOWN))
-    llvm::errs() << "ignoring unknown argument: " << Arg->getAsString(Args)
-                 << "\n";
-
-  // Handle /help
-  if (Args.hasArg(OPT_help)) {
-    Table.PrintHelp(outs(), "llvm-lib [options] file...", "LLVM Lib");
-    return 0;
-  }
-
-  // If no input files, silently do nothing to match lib.exe.
-  if (!Args.hasArgNoClaim(OPT_INPUT))
-    return 0;
-
-  if (Args.hasArg(OPT_lst)) {
-    doList(Args);
-    return 0;
-  }
-
-  std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver);
-
-  COFF::MachineTypes LibMachine = COFF::IMAGE_FILE_MACHINE_UNKNOWN;
-  std::string LibMachineSource;
-  if (auto *Arg = Args.getLastArg(OPT_machine)) {
-    LibMachine = getMachineType(Arg->getValue());
-    if (LibMachine == COFF::IMAGE_FILE_MACHINE_UNKNOWN) {
-      llvm::errs() << "unknown /machine: arg " << Arg->getValue() << '\n';
-      return 1;
-    }
-    LibMachineSource =
-        std::string(" (from '/machine:") + Arg->getValue() + "' flag)";
-  }
-
-  // Create a NewArchiveMember for each input file.
-  std::vector<NewArchiveMember> Members;
-  for (auto *Arg : Args.filtered(OPT_INPUT)) {
-    std::string Path = findInputFile(Arg->getValue(), SearchPaths);
-    if (Path.empty()) {
-      llvm::errs() << Arg->getValue() << ": no such file or directory\n";
-      return 1;
-    }
-
-    Expected<NewArchiveMember> MOrErr =
-        NewArchiveMember::getFile(Saver.save(Path), /*Deterministic=*/true);
-    if (!MOrErr) {
-      handleAllErrors(MOrErr.takeError(), [&](const ErrorInfoBase &EIB) {
-        llvm::errs() << Arg->getValue() << ": " << EIB.message() << "\n";
-      });
-      return 1;
-    }
-
-    file_magic Magic = identify_magic(MOrErr->Buf->getBuffer());
-    if (Magic != file_magic::coff_object && Magic != file_magic::bitcode &&
-        Magic != file_magic::windows_resource) {
-      llvm::errs() << Arg->getValue()
-                   << ": not a COFF object, bitcode or resource file\n";
-      return 1;
-    }
-
-    // Check that all input files have the same machine type.
-    // Mixing normal objects and LTO bitcode files is fine as long as they
-    // have the same machine type.
-    // Doing this here duplicates the header parsing work that writeArchive()
-    // below does, but it's not a lot of work and it's a bit awkward to do
-    // in writeArchive() which needs to support many tools, can't assume the
-    // input is COFF, and doesn't have a good way to report errors.
-    COFF::MachineTypes FileMachine = COFF::IMAGE_FILE_MACHINE_UNKNOWN;
-    if (Magic == file_magic::coff_object) {
-      std::error_code EC;
-      object::COFFObjectFile Obj(*MOrErr->Buf, EC);
-      if (EC) {
-        llvm::errs() << Arg->getValue() << ": failed to open: " << EC.message()
-                     << '\n';
-        return 1;
-      }
-      uint16_t Machine = Obj.getMachine();
-      if (Machine != COFF::IMAGE_FILE_MACHINE_I386 &&
-          Machine != COFF::IMAGE_FILE_MACHINE_AMD64 &&
-          Machine != COFF::IMAGE_FILE_MACHINE_ARMNT &&
-          Machine != COFF::IMAGE_FILE_MACHINE_ARM64) {
-        llvm::errs() << Arg->getValue() << ": unknown machine: " << Machine
-                     << '\n';
-        return 1;
-      }
-      FileMachine = static_cast<COFF::MachineTypes>(Machine);
-    } else if (Magic == file_magic::bitcode) {
-      Expected<std::string> TripleStr = getBitcodeTargetTriple(*MOrErr->Buf);
-      if (!TripleStr) {
-        llvm::errs() << Arg->getValue()
-                     << ": failed to get target triple from bitcode\n";
-        return 1;
-      }
-      switch (Triple(*TripleStr).getArch()) {
-      case Triple::x86:
-        FileMachine = COFF::IMAGE_FILE_MACHINE_I386;
-        break;
-      case Triple::x86_64:
-        FileMachine = COFF::IMAGE_FILE_MACHINE_AMD64;
-        break;
-      case Triple::arm:
-        FileMachine = COFF::IMAGE_FILE_MACHINE_ARMNT;
-        break;
-      case Triple::aarch64:
-        FileMachine = COFF::IMAGE_FILE_MACHINE_ARM64;
-        break;
-      default:
-        llvm::errs() << Arg->getValue() << ": unknown arch in target triple "
-                     << *TripleStr << '\n';
-        return 1;
-      }
-    }
-
-    // FIXME: Once lld-link rejects multiple resource .obj files:
-    // Call convertResToCOFF() on .res files and add the resulting
-    // COFF file to the .lib output instead of adding the .res file, and remove
-    // this check. See PR42180.
-    if (FileMachine != COFF::IMAGE_FILE_MACHINE_UNKNOWN) {
-      if (LibMachine == COFF::IMAGE_FILE_MACHINE_UNKNOWN) {
-        LibMachine = FileMachine;
-        LibMachineSource = std::string(" (inferred from earlier file '") +
-                           Arg->getValue() + "')";
-      } else if (LibMachine != FileMachine) {
-        llvm::errs() << Arg->getValue() << ": file machine type "
-                     << machineToStr(FileMachine)
-                     << " conflicts with library machine type "
-                     << machineToStr(LibMachine) << LibMachineSource << '\n';
-        return 1;
-      }
-    }
-
-    Members.emplace_back(std::move(*MOrErr));
-  }
-
-  // Create an archive file.
-  std::string OutputPath = getOutputPath(&Args, Members[0]);
-  // llvm-lib uses relative paths for both regular and thin archives, unlike
-  // standard GNU ar, which only uses relative paths for thin archives and
-  // basenames for regular archives.
-  for (NewArchiveMember &Member : Members) {
-    if (sys::path::is_relative(Member.MemberName)) {
-      Expected<std::string> PathOrErr =
-          computeArchiveRelativePath(OutputPath, Member.MemberName);
-      if (PathOrErr)
-        Member.MemberName = Saver.save(*PathOrErr);
-    }
-  }
-
-  if (Error E =
-          writeArchive(OutputPath, Members,
-                       /*WriteSymtab=*/true, object::Archive::K_GNU,
-                       /*Deterministic*/ true, Args.hasArg(OPT_llvmlibthin))) {
-    handleAllErrors(std::move(E), [&](const ErrorInfoBase &EI) {
-      llvm::errs() << OutputPath << ": " << EI.message() << "\n";
-    });
-    return 1;
-  }
-
-  return 0;
-}