[llvm-objcopy] [COFF] Error out on use of unhandled options

Prefer erroring out than silently not doing what was requested.

Differential Revision: https://reviews.llvm.org/D57045

llvm-svn: 351948

1 files changed, 15 insertions, 0 deletions

diff --git a/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp b/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp
index 64b4e79a4e0..b7b3d3cb629 100644
--- a/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp
+++ b/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp
@@ -170,6 +170,21 @@ static Error handleArgs(const CopyConfig &Config, Object &Obj) {
   if (!Config.AddGnuDebugLink.empty())
     addGnuDebugLink(Obj, Config.AddGnuDebugLink);
 
+  if (!Config.BuildIdLinkDir.empty() || Config.BuildIdLinkInput ||
+      Config.BuildIdLinkOutput || !Config.SplitDWO.empty() ||
+      !Config.SymbolsPrefix.empty() || !Config.AddSection.empty() ||
+      !Config.DumpSection.empty() || !Config.KeepSection.empty() ||
+      !Config.SymbolsToGlobalize.empty() || !Config.SymbolsToKeep.empty() ||
+      !Config.SymbolsToLocalize.empty() || !Config.SymbolsToWeaken.empty() ||
+      !Config.SymbolsToKeepGlobal.empty() || !Config.SectionsToRename.empty() ||
+      !Config.SymbolsToRename.empty() || Config.ExtractDWO ||
+      Config.KeepFileSymbols || Config.LocalizeHidden || Config.PreserveDates ||
+      Config.StripDWO || Config.StripNonAlloc || Config.StripSections ||
+      Config.Weaken || Config.DecompressDebugSections) {
+    return createStringError(llvm::errc::invalid_argument,
+                             "Option not supported by llvm-objcopy for COFF");
+  }
+
   return Error::success();
 }