...plus, I updated the documentation: -mno-call-main
asserts that main() does not return.
Johann
index 0aef2abf05b..af41d7b9ad3 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -24457,6 +24457,24 @@ Do not save registers in @code{main}. The
effect is the same like
attaching attr
On devices with very limited resources, it may be desirable to run
main in a more efficient way than provided by the startup code
XCALL main
XJMP exit
from section .init9. In AVR-LibC v2.3, that code has been moved to
libmcu.a, hence symbol __call_main can be satisfied so that the
respec
