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From: "Anticipating a Reply" <ruxyz@yahoo.com>
To: ssams <ssams@telkom.net>, linux-assembly@vger.kernel.org
Subject: Re: calculating byte
Date: Thu, 24 Jul 2003 07:13:52 +0100 (BST)	[thread overview]
Message-ID: <20030724061352.5198.qmail@web41109.mail.yahoo.com> (raw)
In-Reply-To: <web-3860654@b1.c.plasa.com>

Hi ,

  You can find this by looking at the 
Machine Opcodes required for each instruction .
  
Bye 

 --- ssams <ssams@telkom.net> wrote: > hi all
> if u have time, please answer my following question
> i try to learn more about assembly. in a time
> i'found some 
> article that explain about exploit, and i get this 
> following code. My question is.. how to calculate
> byte at 
> each line..?
> thnaks before
> regard
> ssams
>             .....
>             ..... 
>             movl %esi,array-offset(%esi) # 3 bytes
>             movb $0x0,nullbyteoffset(%esi)# 4 bytes
>             movl $0x0,null-offset(%esi) # 7 bytes
>             movl $0xb,%eax # 5 bytes
>             movl %esi,%ebx # 2 bytes
>             leal array-offset,(%esi),%ecx # 3 bytes
>             leal null-offset(%esi),%edx # 3 bytes
>             int $0x80 # 2 bytes
>             ....
>             ....
>
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  reply	other threads:[~2003-07-24  6:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-23 22:15 calculating byte ssams
2003-07-24  6:13 ` Anticipating a Reply [this message]
2003-07-24  7:54 ` hp
2003-07-25 13:38   ` switching to real mode? Wolfgang Huber
2003-07-25 16:55     ` hp
2003-07-25 17:20     ` Maciej Hrebien
2003-07-25 19:42       ` switching to real mode Rick A. Hohensee

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