diff options
Diffstat (limited to 'contrib/llvm/lib/ToolDrivers')
-rw-r--r-- | contrib/llvm/lib/ToolDrivers/llvm-dlltool/DlltoolDriver.cpp | 183 | ||||
-rw-r--r-- | contrib/llvm/lib/ToolDrivers/llvm-dlltool/Options.td | 26 | ||||
-rw-r--r-- | contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp | 169 | ||||
-rw-r--r-- | contrib/llvm/lib/ToolDrivers/llvm-lib/Options.td | 25 |
4 files changed, 403 insertions, 0 deletions
diff --git a/contrib/llvm/lib/ToolDrivers/llvm-dlltool/DlltoolDriver.cpp b/contrib/llvm/lib/ToolDrivers/llvm-dlltool/DlltoolDriver.cpp new file mode 100644 index 0000000..4820b9f --- /dev/null +++ b/contrib/llvm/lib/ToolDrivers/llvm-dlltool/DlltoolDriver.cpp @@ -0,0 +1,183 @@ +//===- 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/ArchiveWriter.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 <string> +#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 + +std::vector<std::unique_ptr<MemoryBuffer>> OwningMBs; + +// Opens a file. Path has to be resolved already. +// Newly created memory buffers are owned by this driver. +Optional<MemoryBufferRef> openFile(StringRef Path) { + ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> MB = MemoryBuffer::getFile(Path); + + if (std::error_code EC = MB.getError()) { + llvm::errs() << "fail openFile: " << EC.message() << "\n"; + return None; + } + + MemoryBufferRef MBRef = MB.get()->getMemBufferRef(); + OwningMBs.push_back(std::move(MB.get())); // take ownership + return MBRef; +} + +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) + .Default(IMAGE_FILE_MACHINE_UNKNOWN); +} + +static std::string getImplibPath(std::string 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\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\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; + } + + Optional<MemoryBufferRef> 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 also will end up having + // a prefix here, even if they shouldn't.) + 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; +} diff --git a/contrib/llvm/lib/ToolDrivers/llvm-dlltool/Options.td b/contrib/llvm/lib/ToolDrivers/llvm-dlltool/Options.td new file mode 100644 index 0000000..e78182a --- /dev/null +++ b/contrib/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>; diff --git a/contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp b/contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp new file mode 100644 index 0000000..f304b9c --- /dev/null +++ b/contrib/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp @@ -0,0 +1,169 @@ +//===- 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 llvm::opt::OptTable::Info infoTable[] = { +#define OPTION(X1, X2, ID, KIND, GROUP, ALIAS, X6, X7, X8, X9, X10, X11) \ + {X1, X2, X9, X10, OPT_##ID, llvm::opt::Option::KIND##Class, \ + X8, X7, OPT_##GROUP, OPT_##ALIAS, X6, X11}, +#include "Options.inc" +#undef OPTION +}; + +class LibOptTable : public llvm::opt::OptTable { +public: + LibOptTable() : OptTable(infoTable, true) {} +}; + +} + +static std::string getOutputPath(llvm::opt::InputArgList *Args, + const llvm::NewArchiveMember &FirstMember) { + if (auto *Arg = Args->getLastArg(OPT_out)) + return Arg->getValue(); + SmallString<128> Val = StringRef(FirstMember.Buf->getBufferIdentifier()); + llvm::sys::path::replace_extension(Val, ".lib"); + return Val.str(); +} + +static std::vector<StringRef> getSearchPaths(llvm::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 Optional<std::string> findInputFile(StringRef File, + ArrayRef<StringRef> Paths) { + for (auto Dir : Paths) { + SmallString<128> Path = Dir; + sys::path::append(Path, File); + if (sys::fs::exists(Path)) + return Path.str().str(); + } + return Optional<std::string>(); +} + +int llvm::libDriverMain(llvm::ArrayRef<const char*> ArgsArr) { + SmallVector<const char *, 20> NewArgs(ArgsArr.begin(), ArgsArr.end()); + BumpPtrAllocator Alloc; + StringSaver Saver(Alloc); + cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgs); + ArgsArr = NewArgs; + + LibOptTable Table; + unsigned MissingIndex; + unsigned MissingCount; + llvm::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 (!Args.hasArgNoClaim(OPT_INPUT)) { + // No input files. To match lib.exe, silently do nothing. + return 0; + } + + std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver); + + std::vector<llvm::NewArchiveMember> Members; + for (auto *Arg : Args.filtered(OPT_INPUT)) { + Optional<std::string> Path = findInputFile(Arg->getValue(), SearchPaths); + if (!Path.hasValue()) { + 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 llvm::ErrorInfoBase &EIB) { + llvm::errs() << Arg->getValue() << ": " << EIB.message() << "\n"; + }); + return 1; + } + llvm::file_magic Magic = llvm::identify_magic(MOrErr->Buf->getBuffer()); + if (Magic != llvm::file_magic::coff_object && + Magic != llvm::file_magic::bitcode && + Magic != llvm::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)); + } + + std::pair<StringRef, std::error_code> Result = + llvm::writeArchive(getOutputPath(&Args, Members[0]), Members, + /*WriteSymtab=*/true, object::Archive::K_GNU, + /*Deterministic*/ true, Args.hasArg(OPT_llvmlibthin)); + + if (Result.second) { + if (Result.first.empty()) + Result.first = ArgsArr[0]; + llvm::errs() << Result.first << ": " << Result.second.message() << "\n"; + return 1; + } + + return 0; +} diff --git a/contrib/llvm/lib/ToolDrivers/llvm-lib/Options.td b/contrib/llvm/lib/ToolDrivers/llvm-lib/Options.td new file mode 100644 index 0000000..5a56ef7 --- /dev/null +++ b/contrib/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">; |