Re: prime numbers

[Paul Irofti <bulibuta@gmail.com>]

Frank Kotler wrote:

> Paul Irofti wrote:
>
> ...
>
>> sieve.o(.text+0x1):sieve.s:20: relocation truncated to fit: R_386_8 
>> .data
>
>
> ...
>
>>     movb $test, %dl
>
>
> Pretty sure you want "movb test, %dl" - "$test" indicates that you're 
> trying to move the *address* of your "test" variable (not the 
> contents) into %dl... and it won't fit! (...etc.)
>
> Best,
> Frank
>
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ok, so than what's the diffrence between:
a) movb $test, %al
b) movb test, %al
c) movb (test), %al
c) movb ($test), %al      #if this exists!

and how come when i access kernel ops i use $<oper>

i.e. movl $__NR_write, %eax    #i actually append the address 1?! not 
put the value 1?!

these are very confusing stuff for me. and i would greatly apreciate it 
if explained! thanks a lot Frank!