Followup to: <Pine.LNX.4.10.10001140916500.1983-100000@mullet.itr.unisa.edu.au>
By author: Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
In newsgroup: linux.dev.kernel
>
> On Thu, 13 Jan 2000, Keith Owens wrote:
>
> > Has anybody succeeded in using _syscall2 in code compiled with -fPIC on
> > ix86? I'm trying to convert modutils to a shared library and the
>
> If you want to use the standard syscall macros, then you're out of luck,
> I'm afraid. %ebx is a reserved register in x86 PIC code, and all syscalls
> (except for syscall0) use ebx. Have a look at the definition of _syscall6
> for a way to code your own syscall macros that work with PIC.
>
We probably should add a set of macros that include PIC support
(_syscallX_pic)... it seems to me the obvious way to deal with this
seems to push/pop %ebx around the syscall.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot."- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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