Re: PROBLEM: using _syscall4 to call sys_futex with -fPIC won'tcompile

[Andreas Schwab]

Benjamin Collar <benjamin.collar@xxxxxxxxxxx> writes:

> Greetings
>
> [1.]
> If I use _syscall4 in order to call sys_futex and compile with -fPIC, I
> receive this compiler error:
> "can't find a register in class `BREG' while reloading `asm'"

Don't do that then.

> [2.]
> I'm using futexes in a project and I have to build a shared library;
> thus I need to use -fPIC when compiling. When doing so, I get the error
> mentioned in [1.].

Don't use kernel headers in user space.  Use syscall(3) instead.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@xxxxxxx
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
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