Re: how to know system call number

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On Tue, 28 Sep 2004 23:07:51 -0700 (PDT), cvraman <cvr250@xxxxxxxxx> wrote:

>      I came to know that eax register contains the system call number when it
> is calling system call but when I am printing the eax register using ptrace
> utility by monitoring another process, I am getting some random numbers in
> sequence like 107603 107603 107603 2 2 2 2 3 3 3 111111......

Just to clarify (since nobody else did) it looks like you're trying to
print eax from userspace and expecting that to contain a value put
there by the kernel's system call handler.

The correct approach here is to use strace to trace system calls used.

Cheers,

Jon.

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