diff options
Diffstat (limited to 'contrib/llvm/lib/LibDriver/LibDriver.cpp')
-rw-r--r-- | contrib/llvm/lib/LibDriver/LibDriver.cpp | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/contrib/llvm/lib/LibDriver/LibDriver.cpp b/contrib/llvm/lib/LibDriver/LibDriver.cpp deleted file mode 100644 index bcdec4f..0000000 --- a/contrib/llvm/lib/LibDriver/LibDriver.cpp +++ /dev/null @@ -1,171 +0,0 @@ -//===- 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/LibDriver/LibDriver.h" -#include "llvm/ADT/STLExtras.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/StringSaver.h" -#include "llvm/Support/Path.h" -#include "llvm/Support/Process.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) 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) \ - { \ - X1, X2, X9, X10, OPT_##ID, llvm::opt::Option::KIND##Class, X8, X7, \ - OPT_##GROUP, OPT_##ALIAS, X6 \ - }, -#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.filtered_begin(OPT_INPUT) == Args.filtered_end()) { - // 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; - } - sys::fs::file_magic Magic = - sys::fs::identify_magic(MOrErr->Buf->getBuffer()); - if (Magic != sys::fs::file_magic::coff_object && - Magic != sys::fs::file_magic::bitcode && - Magic != sys::fs::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; -} |