int foo0 __attribute__((used,section(".foo0.0"))); int foo1 __attribute__((used,section(".foo1.0"))); int foo2 __attribute__((used,section(".foo2.0"))); extern unsigned long __foo0_start; extern unsigned long __foo0_end; extern unsigned long __foo1_start; extern unsigned long __foo1_end; extern unsigned long __foo2_start; extern unsigned long __foo2_end; int main (void) { return ((__foo0_end - __foo0_start) - (__foo1_end - __foo1_start) - (__foo2_end - __foo2_start)); }