> Here it is:
> .global _start
> pushl $0
> movl $1, %eax
> int $0x80
> I looked everywhere (Developer's handbook, Google, ...) to find the solution,
> but all resources I consulted tell me this is the right way to do it.
> This program, however, always exits with 1 regardless of the value I push.
> Please, can someone tell me that I made a really stupid error? I'm already
> pulling my hair out.
I sympathize. This has actually cost me quite some nerves as well, before
through some debugging and experimentation I found the answer:
The kernel expects the first argument 4 bytes below of the current stack
pointer, which means you have to put the int 80h call on its own label to
get it right.
I usually use nasm (hate AT&T syntax, sorry),
should translate easily, something like:
mov eax, 1
should do the job.
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