extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
+extern enum machine_mode default_eh_return_filter_mode (void);
+
extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
extern tree default_cxx_guard_type (void);
extern tree default_cxx_get_cookie_size (tree);
(CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool);
extern bool hook_pass_by_reference_must_pass_in_stack
(CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool);
+
+extern void default_unwind_emit (FILE *, rtx);
+
+extern bool default_scalar_mode_supported_p (enum machine_mode);