#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;
LibOptTable() : OptTable(infoTable, llvm::array_lengthof(infoTable), true) {}
};
-} // namespace
+}
-static std::string getOutputPath(llvm::opt::InputArgList *Args) {
+static std::string getOutputPath(llvm::opt::InputArgList *Args,
+ const llvm::NewArchiveIterator &FirstMember) {
if (auto *Arg = Args->getLastArg(OPT_out))
return Arg->getValue();
- for (auto *Arg : Args->filtered(OPT_INPUT)) {
- if (!StringRef(Arg->getValue()).endswith_lower(".obj"))
- continue;
- SmallString<128> Val = StringRef(Arg->getValue());
- llvm::sys::path::replace_extension(Val, ".lib");
- return Val.str();
+ SmallString<128> Val = FirstMember.getNew();
+ 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);
}
- llvm_unreachable("internal error");
+ return Ret;
}
-int llvm::libDriverMain(int Argc, const char **Argv) {
- SmallVector<const char *, 20> NewArgv(Argv, Argv + Argc);
+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;
BumpPtrStringSaver Saver(Alloc);
- cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgv);
- Argv = &NewArgv[0];
- Argc = static_cast<int>(NewArgv.size());
+ cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgs);
+ ArgsArr = NewArgs;
LibOptTable Table;
unsigned MissingIndex;
unsigned MissingCount;
- std::unique_ptr<llvm::opt::InputArgList> Args(
- Table.ParseArgs(&Argv[1], &Argv[Argc], MissingIndex, 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
+ << Args.getArgString(MissingIndex) << "\", expected "
+ << MissingCount
<< (MissingCount == 1 ? " argument.\n" : " arguments.\n");
return 1;
}
- for (auto *Arg : Args->filtered(OPT_UNKNOWN))
+ for (auto *Arg : Args.filtered(OPT_UNKNOWN))
llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n";
- if (Args->filtered_begin(OPT_INPUT) == Args->filtered_end()) {
+ if (Args.filtered_begin(OPT_INPUT) == Args.filtered_end()) {
llvm::errs() << "no input files.\n";
return 1;
}
+ std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver);
+
std::vector<llvm::NewArchiveIterator> Members;
- for (auto *Arg : Args->filtered(OPT_INPUT))
- Members.emplace_back(Arg->getValue(),
+ 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;
+ }
+ Members.emplace_back(Saver.save(*Path),
llvm::sys::path::filename(Arg->getValue()));
+ }
+
+ std::pair<StringRef, std::error_code> Result =
+ llvm::writeArchive(getOutputPath(&Args, Members[0]), Members,
+ /*WriteSymtab=*/true, object::Archive::K_GNU,
+ /*Deterministic*/ true, /*Thin*/ false);
- std::pair<StringRef, std::error_code> Result = llvm::writeArchive(
- getOutputPath(Args.get()), Members, /*WriteSymtab=*/true);
if (Result.second) {
if (Result.first.empty())
- Result.first = Argv[0];
+ Result.first = ArgsArr[0];
llvm::errs() << Result.first << ": " << Result.second.message() << "\n";
return 1;
}