Add support for R_X86_64_64 relocation type in _reloc_type2size function

main.py

@@ -121,6 +121,8 @@ def _reloc_type2size(s):
             return 4
         case "R_X86_64_REX_GOTPCRELX":
             return 4
+        case "R_X86_64_64":
+            return 8
         case _:
             assert False, f"Unknown reloc {s}"