1 files changed, 16 insertions, 0 deletions
diff --git a/COFF/DriverUtils.cpp b/COFF/DriverUtils.cpp
index 07783b51c..e0641e04a 100644
--- a/COFF/DriverUtils.cpp
+++ b/COFF/DriverUtils.cpp
@@ -750,6 +750,22 @@ opt::InputArgList ArgParser::parse(ArrayRef<const char *> Argv) {
   return Args;
 }
 
+// Tokenizes and parses a given string as command line in .drective section.
+opt::InputArgList ArgParser::parseDirectives(StringRef S) {
+  // Make InputArgList from string vectors.
+  unsigned MissingIndex;
+  unsigned MissingCount;
+
+  opt::InputArgList Args =
+      Table.ParseArgs(tokenize(S), MissingIndex, MissingCount);
+
+  if (MissingCount)
+    fatal(Twine(Args.getArgString(MissingIndex)) + ": missing argument");
+  for (auto *Arg : Args.filtered(OPT_UNKNOWN))
+    warn("ignoring unknown argument: " + Arg->getSpelling());
+  return Args;
+}
+
 // link.exe has an interesting feature. If LINK or _LINK_ environment
 // variables exist, their contents are handled as command line strings.
 // So you can pass extra arguments using them.