def version : Flag<["-", "--"], "version">,
HelpText<"Print the version and exit.">;
-def verify_arch : Option<["-", "--"], "verify_arch", KIND_REMAINING_ARGS>,
- HelpText<"Verify that the specified arch_types are present in the input file">;
+def action_group : OptionGroup<"action group">;
+
+def verify_arch
+ : Option<["-", "--"], "verify_arch", KIND_REMAINING_ARGS>,
+ Group<action_group>,
+ HelpText<
+ "Verify that the specified arch_types are present in the input file">;
+
+def archs : Option<["-", "--"], "archs", KIND_FLAG>,
+ Group<action_group>,
+ HelpText<"Display the arch_types present in the input file">;
#undef OPTION
};
+// LipoInfoTable below references LIPO_##PREFIX. OptionGroup has prefix nullptr.
+const char *const *LIPO_nullptr = nullptr;
#define PREFIX(NAME, VALUE) const char *const LIPO_##NAME[] = VALUE;
#include "LipoOpts.inc"
#undef PREFIX
LipoOptTable() : OptTable(LipoInfoTable) {}
};
+enum class LipoAction {
+ PrintArchs,
+ VerifyArch,
+};
+
struct Config {
SmallVector<std::string, 1> InputFiles;
SmallVector<std::string, 1> VerifyArchList;
+ LipoAction ActionToPerform;
};
} // end namespace
if (C.InputFiles.empty())
reportError("at least one input file should be specified");
- if (InputArgs.hasArg(LIPO_verify_arch)) {
+ SmallVector<opt::Arg *, 1> ActionArgs(InputArgs.filtered(LIPO_action_group));
+ if (ActionArgs.empty())
+ reportError("at least one action should be specified");
+ if (ActionArgs.size() > 1) {
+ std::string Buf;
+ raw_string_ostream OS(Buf);
+ OS << "only one of the following actions can be specified:";
+ for (auto Arg : ActionArgs)
+ OS << " " << Arg->getSpelling();
+ reportError(OS.str());
+ }
+
+ switch (ActionArgs[0]->getOption().getID()) {
+ case LIPO_verify_arch:
for (auto A : InputArgs.getAllArgValues(LIPO_verify_arch))
C.VerifyArchList.push_back(A);
if (C.VerifyArchList.empty())
"verify_arch requires at least one architecture to be specified");
if (C.InputFiles.size() > 1)
reportError("verify_arch expects a single input file");
+ C.ActionToPerform = LipoAction::VerifyArch;
+ return C;
+
+ case LIPO_archs:
+ if (C.InputFiles.size() > 1)
+ reportError("archs expects a single input file");
+ C.ActionToPerform = LipoAction::PrintArchs;
+ return C;
+
+ default:
+ reportError("llvm-lipo action unspecified");
}
- return C;
}
static SmallVector<OwningBinary<Binary>, 1>
LLVM_ATTRIBUTE_NORETURN
static void verifyArch(ArrayRef<OwningBinary<Binary>> InputBinaries,
ArrayRef<std::string> VerifyArchList) {
- assert(!InputBinaries.empty() &&
- "The list of input binaries should be non-empty");
assert(!VerifyArchList.empty() &&
"The list of architectures should be non-empty");
assert(InputBinaries.size() == 1 && "Incorrect number of input binaries");
exit(EXIT_SUCCESS);
}
+static void printArchOrUnknown(const MachOObjectFile *ObjectFile) {
+ // Prints trailing space and unknown in this format for compatibility with
+ // cctools lipo.
+ const std::string ObjectArch = ObjectFile->getArchTriple().getArchName();
+ if (ObjectArch.empty()) {
+ outs() << "unknown(" << ObjectFile->getHeader().cputype << ","
+ << ObjectFile->getHeader().cpusubtype << ") ";
+ } else {
+ outs() << ObjectArch + " ";
+ }
+}
+
+LLVM_ATTRIBUTE_NORETURN
+static void printArchs(ArrayRef<OwningBinary<Binary>> InputBinaries) {
+ assert(InputBinaries.size() == 1 && "Incorrect number of input binaries");
+ const Binary *InputBinary = InputBinaries.front().getBinary();
+ if (auto UO = dyn_cast<MachOUniversalBinary>(InputBinary)) {
+ for (MachOUniversalBinary::object_iterator I = UO->begin_objects(),
+ E = UO->end_objects();
+ I != E; ++I) {
+ Expected<std::unique_ptr<MachOObjectFile>> BinaryOrError =
+ I->getAsObjectFile();
+ if (!BinaryOrError)
+ reportError(InputBinary->getFileName(), BinaryOrError.takeError());
+ printArchOrUnknown(BinaryOrError.get().get());
+ }
+ } else if (auto O = dyn_cast<MachOObjectFile>(InputBinary)) {
+ printArchOrUnknown(O);
+ } else {
+ llvm_unreachable("Unexpected binary format");
+ }
+
+ outs() << "\n";
+ exit(EXIT_SUCCESS);
+}
+
int main(int argc, char **argv) {
InitLLVM X(argc, argv);
Config C = parseLipoOptions(makeArrayRef(argv + 1, argc));
SmallVector<OwningBinary<Binary>, 1> InputBinaries =
readInputBinaries(C.InputFiles);
- if (!C.VerifyArchList.empty())
+
+ switch (C.ActionToPerform) {
+ case LipoAction::VerifyArch:
verifyArch(InputBinaries, C.VerifyArchList);
+ break;
+ case LipoAction::PrintArchs:
+ printArchs(InputBinaries);
+ break;
+ }
return EXIT_SUCCESS;
}