* Info for System Call Implementation.
@ 2003-09-08 3:15 Harmeet Uppal
2003-09-08 10:19 ` Maciej Hrebien
0 siblings, 1 reply; 2+ messages in thread
From: Harmeet Uppal @ 2003-09-08 3:15 UTC (permalink / raw)
To: linux-assembly
Hi All,
I am interested in writing my own system call for Linux. I had read
somewhere this is possible. can this be implemented via a module program or
I would need to recompile the complete kernel for this ( this would be
certainly be possible). What is the -syscall3 thing?
Regards,
Harmeet
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Info for System Call Implementation.
2003-09-08 3:15 Info for System Call Implementation Harmeet Uppal
@ 2003-09-08 10:19 ` Maciej Hrebien
0 siblings, 0 replies; 2+ messages in thread
From: Maciej Hrebien @ 2003-09-08 10:19 UTC (permalink / raw)
To: linux-assembly
Harmeet Uppal wrote:
>
> Hi All,
>
> I am interested in writing my own system call for Linux. I had read
> somewhere this is possible. can this be implemented via a module program or
> I would need to recompile the complete kernel for this ( this would be
> certainly be possible). What is the -syscall3 thing?
There is a short description in khg how to add your own syscall, it's in
syscall86.html file. _syscall3 is a macro for doing int $0x80 with 3
args, see asm/unistd.h.
--
Maciej Hrebien
^ permalink raw reply [flat|nested] 2+ messages in thread
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