diff --git a/tools/lto/lto.exports b/tools/lto/lto.exports
index a686b788457..3c67cee999f 100644
--- a/tools/lto/lto.exports
+++ b/tools/lto/lto.exports
@@ -21,4 +21,7 @@ lto_codegen_set_debug_model
 lto_codegen_set_pic_model
 lto_codegen_write_merged_modules
 lto_codegen_debug_options
+lto_codegen_set_assembler_args
 lto_codegen_set_assembler_path
+lto_codegen_set_cpu
+lto_codegen_set_gcc_path