1 files changed, 8 insertions, 0 deletions
diff --git a/lld/wasm/Config.h b/lld/wasm/Config.h
index ccd7f3717f9..7881d01502d 100644
--- a/lld/wasm/Config.h
+++ b/lld/wasm/Config.h
@@ -17,6 +17,10 @@
 namespace lld {
 namespace wasm {
 
+// This struct contains the global configuration for the linker.
+// Most fields are direct mapping from the command line options
+// and such fields have the same name as the corresponding options.
+// Most fields are initialized by the driver.
 struct Configuration {
   bool AllowUndefined;
   bool CheckFeatures;
@@ -48,6 +52,7 @@ struct Configuration {
   unsigned LTOO;
   unsigned Optimize;
   unsigned ThinLTOJobs;
+
   llvm::StringRef Entry;
   llvm::StringRef OutputFile;
   llvm::StringRef ThinLTOCacheDir;
@@ -57,6 +62,9 @@ struct Configuration {
   llvm::CachePruningPolicy ThinLTOCachePolicy;
   llvm::Optional<std::vector<std::string>> Features;
 
+  // The following config options do not directly correspond to any
+  // particualr command line options.
+
   // True if we are creating position-independent code.
   bool Pic;
 };