fix migration not properly stopping

spimdisasm/mips/FuncRodataEntry.py

@@ -146,6 +146,8 @@ def _updateMigrableSymbolsSets(rodataSym: symbols.SymbolBase, intersection: set[
                 rodataMigratedSomewhereElse = True
             elif rodataSym.shouldMigrate():
                 maybeMigrableRodataSyms.add(rodataSym.vram)
+            else:
+                rodataMigratedSomewhereElse = True
 
         return rodataMigratedSomewhereElse
 

spimdisasm/mips/symbols/MipsSymbolBase.py

@@ -185,6 +185,11 @@ def isJumpTable(self) -> bool:
         return False
 
 
+    #! @deprecated
+    def isRdata(self) -> bool:
+        "Checks if the current symbol is .rdata"
+        return False
+
     def shouldMigrate(self) -> bool:
         return False
 

spimdisasm/mips/symbols/MipsSymbolRodata.py

@@ -44,6 +44,19 @@ def isMaybeConstVariable(self) -> bool:
             return False
         return True
 
+    #! @deprecated
+    def isRdata(self) -> bool:
+        "Checks if the current symbol is .rdata"
+        if self.isMaybeConstVariable():
+            return True
+
+        # This symbol could be an unreferenced non-const variable
+        if len(self.contextSym.referenceFunctions) == 1:
+            # This const variable was already used in a function
+            return False
+
+        return True
+
     def shouldMigrate(self) -> bool:
         if self.contextSym.functionOwnerForMigration is not None:
             return True