COFF: Handle /alternatename in .drectve section.
llvm-svn: 240037
diff --git a/lld/COFF/DriverUtils.cpp b/lld/COFF/DriverUtils.cpp
index 4cb10a7..05dd62f 100644
--- a/lld/COFF/DriverUtils.cpp
+++ b/lld/COFF/DriverUtils.cpp
@@ -154,6 +154,25 @@
return std::error_code();
}
+// Parse a string of the form of "<from>=<to>".
+// Results are directly written to Config.
+std::error_code parseAlternateName(StringRef S) {
+ StringRef From, To;
+ std::tie(From, To) = S.split('=');
+ if (From.empty() || To.empty()) {
+ llvm::errs() << "/alternatename: invalid argument: " << S << "\n";
+ return make_error_code(LLDError::InvalidOption);
+ }
+ for (std::pair<StringRef, StringRef> &P : Config->AlternateNames) {
+ if (From == P.first) {
+ llvm::errs() << "/alternatename: conflicts: " << S << "\n";
+ return make_error_code(LLDError::InvalidOption);
+ }
+ }
+ Config->AlternateNames.push_back(std::make_pair(From, To));
+ return std::error_code();
+}
+
// Parses a string in the form of "EMBED[,=<integer>]|NO".
// Results are directly written to Config.
std::error_code parseManifest(StringRef Arg) {