Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/lib/ToolDrivers/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_subdirectory(llvm-dlltool)
+add_subdirectory(llvm-lib)

external/llvm-project/llvm/lib/ToolDrivers/LLVMBuild.txt

@@ -0,0 +1,24 @@
+;===- ./lib/ToolDrivers/LLVMBuild.txt --------------------------*- Conf -*--===;
+;
+;                     The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+;   http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[common]
+subdirectories = llvm-dlltool llvm-lib
+
+[component_0]
+type = Group
+name = ToolDrivers
+parent = Libraries

external/llvm-project/llvm/lib/ToolDrivers/llvm-dlltool/CMakeLists.txt

@@ -0,0 +1,9 @@
+set(LLVM_TARGET_DEFINITIONS Options.td)
+tablegen(LLVM Options.inc -gen-opt-parser-defs)
+add_public_tablegen_target(DllOptionsTableGen)
+
+add_llvm_library(LLVMDlltoolDriver
+  DlltoolDriver.cpp
+  )
+
+add_dependencies(LLVMDlltoolDriver DllOptionsTableGen)

external/llvm-project/llvm/lib/ToolDrivers/llvm-dlltool/DlltoolDriver.cpp

@@ -0,0 +1,179 @@
+//===- DlltoolDriver.cpp - dlltool.exe-compatible driver ------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines an interface to a dlltool.exe-compatible driver.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ToolDrivers/llvm-dlltool/DlltoolDriver.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/COFFImportFile.h"
+#include "llvm/Object/COFFModuleDefinition.h"
+#include "llvm/Option/Arg.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Option/Option.h"
+#include "llvm/Support/Path.h"
+
+#include <vector>
+
+using namespace llvm;
+using namespace llvm::object;
+using namespace llvm::COFF;
+
+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 llvm::opt::OptTable::Info InfoTable[] = {
+#define OPTION(X1, X2, ID, KIND, GROUP, ALIAS, X7, X8, X9, X10, X11, X12)      \
+  {X1, X2, X10,         X11,         OPT_##ID, llvm::opt::Option::KIND##Class, \
+   X9, X8, OPT_##GROUP, OPT_##ALIAS, X7,       X12},
+#include "Options.inc"
+#undef OPTION
+};
+
+class DllOptTable : public llvm::opt::OptTable {
+public:
+  DllOptTable() : OptTable(InfoTable, false) {}
+};
+
+} // namespace
+
+// Opens a file. Path has to be resolved already.
+static std::unique_ptr<MemoryBuffer> openFile(const Twine &Path) {
+  ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> MB = MemoryBuffer::getFile(Path);
+
+  if (std::error_code EC = MB.getError()) {
+    llvm::errs() << "cannot open file " << Path << ": " << EC.message() << "\n";
+    return nullptr;
+  }
+
+  return std::move(*MB);
+}
+
+static MachineTypes getEmulation(StringRef S) {
+  return StringSwitch<MachineTypes>(S)
+      .Case("i386", IMAGE_FILE_MACHINE_I386)
+      .Case("i386:x86-64", IMAGE_FILE_MACHINE_AMD64)
+      .Case("arm", IMAGE_FILE_MACHINE_ARMNT)
+      .Case("arm64", IMAGE_FILE_MACHINE_ARM64)
+      .Default(IMAGE_FILE_MACHINE_UNKNOWN);
+}
+
+static std::string getImplibPath(StringRef Path) {
+  SmallString<128> Out = StringRef("lib");
+  Out.append(Path);
+  sys::path::replace_extension(Out, ".a");
+  return Out.str();
+}
+
+int llvm::dlltoolDriverMain(llvm::ArrayRef<const char *> ArgsArr) {
+  DllOptTable Table;
+  unsigned MissingIndex;
+  unsigned MissingCount;
+  llvm::opt::InputArgList Args =
+      Table.ParseArgs(ArgsArr.slice(1), MissingIndex, MissingCount);
+  if (MissingCount) {
+    llvm::errs() << Args.getArgString(MissingIndex) << ": missing argument\n";
+    return 1;
+  }
+
+  // Handle when no input or output is specified
+  if (Args.hasArgNoClaim(OPT_INPUT) ||
+      (!Args.hasArgNoClaim(OPT_d) && !Args.hasArgNoClaim(OPT_l))) {
+    Table.PrintHelp(outs(), ArgsArr[0], "dlltool", false);
+    llvm::outs() << "\nTARGETS: i386, i386:x86-64, arm, arm64\n";
+    return 1;
+  }
+
+  if (!Args.hasArgNoClaim(OPT_m) && Args.hasArgNoClaim(OPT_d)) {
+    llvm::errs() << "error: no target machine specified\n"
+                 << "supported targets: i386, i386:x86-64, arm, arm64\n";
+    return 1;
+  }
+
+  for (auto *Arg : Args.filtered(OPT_UNKNOWN))
+    llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n";
+
+  if (!Args.hasArg(OPT_d)) {
+    llvm::errs() << "no definition file specified\n";
+    return 1;
+  }
+
+  std::unique_ptr<MemoryBuffer> MB =
+      openFile(Args.getLastArg(OPT_d)->getValue());
+  if (!MB)
+    return 1;
+
+  if (!MB->getBufferSize()) {
+    llvm::errs() << "definition file empty\n";
+    return 1;
+  }
+
+  COFF::MachineTypes Machine = IMAGE_FILE_MACHINE_UNKNOWN;
+  if (auto *Arg = Args.getLastArg(OPT_m))
+    Machine = getEmulation(Arg->getValue());
+
+  if (Machine == IMAGE_FILE_MACHINE_UNKNOWN) {
+    llvm::errs() << "unknown target\n";
+    return 1;
+  }
+
+  Expected<COFFModuleDefinition> Def =
+      parseCOFFModuleDefinition(*MB, Machine, true);
+
+  if (!Def) {
+    llvm::errs() << "error parsing definition\n"
+                 << errorToErrorCode(Def.takeError()).message();
+    return 1;
+  }
+
+  // Do this after the parser because parseCOFFModuleDefinition sets OutputFile.
+  if (auto *Arg = Args.getLastArg(OPT_D))
+    Def->OutputFile = Arg->getValue();
+
+  if (Def->OutputFile.empty()) {
+    llvm::errs() << "no output file specified\n";
+    return 1;
+  }
+
+  std::string Path = Args.getLastArgValue(OPT_l);
+  if (Path.empty())
+    Path = getImplibPath(Def->OutputFile);
+
+  if (Machine == IMAGE_FILE_MACHINE_I386 && Args.getLastArg(OPT_k)) {
+    for (COFFShortExport& E : Def->Exports) {
+      if (E.isWeak() || (!E.Name.empty() && E.Name[0] == '?'))
+        continue;
+      E.SymbolName = E.Name;
+      // Trim off the trailing decoration. Symbols will always have a
+      // starting prefix here (either _ for cdecl/stdcall, @ for fastcall
+      // or ? for C++ functions). Vectorcall functions won't have any
+      // fixed prefix, but the function base name will still be at least
+      // one char.
+      E.Name = E.Name.substr(0, E.Name.find('@', 1));
+      // By making sure E.SymbolName != E.Name for decorated symbols,
+      // writeImportLibrary writes these symbols with the type
+      // IMPORT_NAME_UNDECORATE.
+    }
+  }
+
+  if (writeImportLibrary(Def->OutputFile, Path, Def->Exports, Machine, true))
+    return 1;
+  return 0;
+}

external/llvm-project/llvm/lib/ToolDrivers/llvm-dlltool/LLVMBuild.txt

@@ -0,0 +1,22 @@
+;===- ./lib/ToolDrivers/llvm-dlltool/LLVMBuild.txt -------------*- Conf -*--===;
+;
+;                     The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+;   http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[component_0]
+type = Library
+name = DlltoolDriver
+parent = Libraries
+required_libraries = Object Option Support

external/llvm-project/llvm/lib/ToolDrivers/llvm-dlltool/Options.td

@@ -0,0 +1,26 @@
+include "llvm/Option/OptParser.td"
+
+def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target machine">;
+def m_long : JoinedOrSeparate<["--"], "machine">, Alias<m>;
+
+def l: JoinedOrSeparate<["-"], "l">, HelpText<"Generate an import lib">;
+def l_long : JoinedOrSeparate<["--"], "output-lib">, Alias<l>;
+
+def D: JoinedOrSeparate<["-"], "D">, HelpText<"Specify the input DLL Name">;
+def D_long : JoinedOrSeparate<["--"], "dllname">, Alias<D>;
+
+def d: JoinedOrSeparate<["-"], "d">, HelpText<"Input .def File">;
+def d_long : JoinedOrSeparate<["--"], "input-def">, Alias<d>;
+
+def k: Flag<["-"], "k">, HelpText<"Kill @n Symbol from export">;
+def k_alias: Flag<["--"], "kill-at">, Alias<k>;
+
+//==============================================================================
+// The flags below do nothing. They are defined only for dlltool compatibility.
+//==============================================================================
+
+def S: JoinedOrSeparate<["-"], "S">, HelpText<"Assembler">;
+def S_alias: JoinedOrSeparate<["--"], "as">, Alias<S>;
+
+def f: JoinedOrSeparate<["-"], "f">, HelpText<"Assembler Flags">;
+def f_alias: JoinedOrSeparate<["--"], "as-flags">, Alias<f>;

external/llvm-project/llvm/lib/ToolDrivers/llvm-lib/CMakeLists.txt

@@ -0,0 +1,8 @@
+set(LLVM_TARGET_DEFINITIONS Options.td)
+tablegen(LLVM Options.inc -gen-opt-parser-defs)
+add_public_tablegen_target(LibOptionsTableGen)
+
+add_llvm_library(LLVMLibDriver
+  LibDriver.cpp
+  )
+add_dependencies(LLVMLibDriver LibOptionsTableGen)

external/llvm-project/llvm/lib/ToolDrivers/llvm-lib/LLVMBuild.txt

@@ -0,0 +1,22 @@
+;===- ./lib/LibDriver/LLVMBuild.txt ----------------------------*- Conf -*--===;
+;
+;                     The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+;   http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[component_0]
+type = Library
+name = LibDriver
+parent = Libraries
+required_libraries = BinaryFormat Object Option Support

external/llvm-project/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp

@@ -0,0 +1,171 @@
+//===- LibDriver.cpp - lib.exe-compatible driver --------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// 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/Magic.h"
+#include "llvm/Object/ArchiveWriter.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 "";
+}
+
+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->getSpelling() << "\n";
+
+  // If no input files, silently do nothing to match lib.exe.
+  if (!Args.hasArgNoClaim(OPT_INPUT))
+    return 0;
+
+  std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver);
+
+  // 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;
+    }
+    Members.emplace_back(std::move(*MOrErr));
+  }
+
+  // Create an archive file.
+  std::string OutputPath = getOutputPath(&Args, Members[0]);
+  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;
+}

external/llvm-project/llvm/lib/ToolDrivers/llvm-lib/Options.td

@@ -0,0 +1,25 @@
+include "llvm/Option/OptParser.td"
+
+// lib.exe accepts options starting with either a dash or a slash.
+
+// Flag that takes no arguments.
+class F<string name> : Flag<["/", "-", "-?"], name>;
+
+// Flag that takes one argument after ":".
+class P<string name, string help> :
+      Joined<["/", "-", "-?"], name#":">, HelpText<help>;
+
+def libpath: P<"libpath", "Object file search path">;
+def out    : P<"out", "Path to file to write output">;
+
+def llvmlibthin : F<"llvmlibthin">;
+
+//==============================================================================
+// The flags below do nothing. They are defined only for lib.exe compatibility.
+//==============================================================================
+
+class QF<string name> : Joined<["/", "-", "-?"], name#":">;
+
+def ignore : QF<"ignore">;
+def machine: QF<"machine">;
+def nologo : F<"nologo">;