Breaking out of a loop from within a function called in that loop

Question

I\'m currently trying to figure out a way to break out of a for loop from within a function called in that loop. I\'m aware of the possibility to just have the

Answer 1

I believe it's related to how a break statement is translated into machine code. The break statement will be translated as a unconditional branch to the label immediately following the loop or switch.

mov ECX,5
label1:
  jmp   ;break
loop label1

While the call to foo() from inside the loop will result in something like

mov ECX,5
label1:
  call 
loop label1

and at foo address

call 
jmp  ;break cannot translate to any address.