seberino@spawar.navy.mil wrote:
> My preceding loop command email didn't have infinite loop but this one
> does.
> "why?
>
>
> .define _main
> .define beg_loop
> .define _print_num
>
> .sect .text
>
> _main:
> push ebp ! Pushes EBP value.
> mov ebp, esp ! Stores ESP value.
>
> ! ------------------------------------------------------------
> mov eax, 60 ! Stores constant.
> mov ecx, 5 ! Stores constant.
>
> beg_loop:
> push eax ! Pushes parameter.
> call _print_num ! Calls function.
> pop eax ! Pops parameter.
>
> inc eax ! Increments EAX value.
>
> loop beg_loop ! Conditionally jumps.
> ! ------------------------------------------------------------
>
> xor eax, eax ! Stores return value.
> leave ! Pops EBP value.
> ret ! Returns from function.
>
> _print_num:
> push ebp ! Pushes EBP value.
> mov ebp, esp ! Stores ESP value.
>
> mov eax, 8(ebp) ! Stores parameter value.
>
> push eax ! Pushes parameter.
> push format_str ! Pushes parameter.
> call _printf ! Calls function.
> pop eax ! Pops parameter.
> pop eax ! Pops parameter.
>
> leave ! Pops EBP value.
> ret ! Returns from function.
>
> .sect rom
>
> .sect data
>
> format_str:
> .ascii "The number is %d .\n\0"
>
> .sect bss
>

Inside the loop there is a call to _print_num, which then calls _printf.
The latter is probably modifying the ecx register. General purpose
registers are not saved across function calls.

Ciao
Giovanni
--
A computer is like an air conditioner,
it stops working when you open Windows.
Registered Linux user #337974 < http://giovanni.homelinux.net/ >

Giovanni

wow, thanks, I never would have seen that

cs