Remove uncallable libc call

main() never exits. The subsequent call to exit() links in the libc exit symbol and all that it calls (including free() and a few others. Removing this saves around 2k of flash.
rogerclarkmelbourne · Aug 24, 2018 · a58f650 · a58f650
1 parent 6a9c795
commit a58f650
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/STM32F1/variants/generic_stm32f103c/wirish/start_c.c b/STM32F1/variants/generic_stm32f103c/wirish/start_c.c
@@ -85,9 +85,6 @@ void __attribute__((noreturn)) start_c(void) {
 
     /* Jump to main. */
     exit_code = main(0, 0, 0);
-    if (exit) {
-        exit(exit_code);
-    }
 
     /* If exit is NULL, make sure we don't return. */
     for (;;)