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Date: Sat, 6 Mar 2004 16:04:55 +0000
From: chungwei Hsiung <chsiung2@buffalo.edu>
To: des@des.no (Dag-Erling =?ISO-8859-1?Q?Sm=F8rgrav?=)
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cc: freebsd-hackers@freebsd.org
Subject: Re: Strange instructions in compiler output
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OH.... yes...
this is FreeBSD not linux, I will try it on the linux box later
thank you for the clarification, but how does FreeBSD know where the passed=
 arguments are?? just out of curiosity..

thanks again
Chungwei


On Sat, 06 Mar 2004 21:47:10 +0100
des@des.no (Dag-Erling Sm=F8rgrav) wrote:

> chungwei Hsiung <chsiung2@buffalo.edu> writes:
> > I still don't understand it because we are supposed to pass in the
> > op code 0xb to %eax, and arguments to %ebx, %ecx, and %edx before
> > calling interupt, but I can't see any of those instruction
> > anywhere. Did I miss anything?
>=20
> Huh?  Arguments are passed on the stack, and execve() is syscall 59
> (0x3b as you can see in the disassembly).  What gave you the idea that
> we were passing arguments in registers?  This isn't DOS, you know...
>=20
> DES
> --=20
> Dag-Erling Sm=F8rgrav - des@des.no
>=20