Re: [LIP] syscall simulation!

On Sun, Feb 20, 2005 at 08:02:22PM -0800, sanjay panchal wrote:
> Refering to ur code, isn't specifying constraint "c"
> (ie use ecx to hold a variable) same as moving
> argument %0 into ecx (which I was doing explicitly by
> using constraint "g") ? 

No. Try gcc -S file.c to see what it's generating.

> 
> What exactly is happening when we are executing
> movl %0,%%ecx 
> Is it moving the memory location of "hello world\n"
> using  disp(base,index,scale)?
> 

You need to use leal instead of movl (which moves the content, not the
address of hello).

	-Arun


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