[sf-lug] linux system calls

[Jim Stockford]

a couple of times discussions have touched on assembler.
the link below describes the process of making a system
call via glibc with thanks to the eax register:

http://www-128.ibm.com/developerworks/linux/library/l-system-calls/?ca=dgr-lnxw07LinuxSCI


the above introduces a section explaining how we can add
our own system calls.

Assembler is not required, just that the explanation is
pretty tight to the machine. The work is done in C code.
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