Re: ColdFire and Thread-Local Storage

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On Tue, Jan 28, 2014 at 7:49 AM, Sebastian Huber
<sebastian.huber@xxxxxxxxxxxxxxxxxx> wrote:
>
> it seems GCC uses this ColdFire TLS ABI:
>
> https://lists.debian.org/debian-68k/2007/11/msg00071.html
>
> Here we have a function
>
> void *__m68k_read_tp(void)
>
> which must return the thread pointer in register a0.
>
> I have to implement this function.  Is there a way to instruct GCC to return
> the value in register a0 instead of d0 or do I have to use assembler to
> implement this function?

I believe that on m68k GNU/Linux a function that returns a pointer
will normally return the value in a0.

Ian




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