1 files changed, 19 insertions, 3 deletions
diff --git a/contrib/llvm-project/lld/MachO/SymbolTable.h b/contrib/llvm-project/lld/MachO/SymbolTable.h
index 2379008db56d..871687f75eb7 100644
--- a/contrib/llvm-project/lld/MachO/SymbolTable.h
+++ b/contrib/llvm-project/lld/MachO/SymbolTable.h
@@ -19,20 +19,34 @@ namespace macho {
 
 class ArchiveFile;
 class DylibFile;
+class InputFile;
 class InputSection;
+class MachHeaderSection;
 class Symbol;
 
+/*
+ * Note that the SymbolTable handles name collisions by calling
+ * replaceSymbol(), which does an in-place update of the Symbol via `placement
+ * new`. Therefore, there is no need to update any relocations that hold
+ * pointers the "old" Symbol -- they will automatically point to the new one.
+ */
 class SymbolTable {
 public:
-  Symbol *addDefined(StringRef name, InputSection *isec, uint32_t value);
+  Symbol *addDefined(StringRef name, InputSection *isec, uint32_t value,
+                     bool isWeakDef, bool isPrivateExtern);
 
-  Symbol *addUndefined(StringRef name);
+  Symbol *addUndefined(StringRef name, bool isWeakRef);
 
-  Symbol *addDylib(StringRef name, DylibFile *file);
+  Symbol *addCommon(StringRef name, InputFile *, uint64_t size, uint32_t align,
+                    bool isPrivateExtern);
+
+  Symbol *addDylib(StringRef name, DylibFile *file, bool isWeakDef, bool isTlv);
 
   Symbol *addLazy(StringRef name, ArchiveFile *file,
                   const llvm::object::Archive::Symbol &sym);
 
+  Symbol *addDSOHandle(const MachHeaderSection *);
+
   ArrayRef<Symbol *> getSymbols() const { return symVector; }
   Symbol *find(StringRef name);
 
@@ -42,6 +56,8 @@ private:
   std::vector<Symbol *> symVector;
 };
 
+extern void treatUndefinedSymbol(StringRef symbolName, StringRef fileName);
+
 extern SymbolTable *symtab;
 
 } // namespace macho