> In fact I need some _syscall7 declaration and dunno
> which operand to use as maximum declared is s4 : /
This isn't possible on x86. There are only six general registers to
pass parameters in (well, you could use %ebp, too, but %esp is certainly
out of question). That's the reason why you can only use five arguments
plus the syscall number.
I'd suggest to pass a pointer to a struct in userspace instead.
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