RE: [commit] [testsuite patch] Fix gdb.btrace/tailcall-only.exp errors on x86_64-m32

["Metzger, Markus T" <markus.t.metzger@intel.com>]

> -----Original Message-----
> From: Pedro Alves [mailto:palves@redhat.com]
> Sent: Thursday, July 21, 2016 4:00 PM
> To: Metzger, Markus T <markus.t.metzger@intel.com>; Jan Kratochvil
> <jan.kratochvil@redhat.com>
> Cc: gdb-patches@sourceware.org
> Subject: Re: [commit] [testsuite patch] Fix gdb.btrace/tailcall-only.exp errors on
> x86_64-m32
> 
> On 07/21/2016 02:50 PM, Metzger, Markus T wrote:
> 
> > I use the triplet to select the source files for a test.  Seems that wasn't such
> > a good idea.
> >
> > Using the pointer size doesn't seem to be such a good idea, either, as x32
> > uses x86_64 ISA with 32-bit pointers.
> 
> But that's exactly what you want.
> 
> >
> > Is there a recommended/documented way on how this should be done?
> 
> - is_amd64_regs_target detects x86_64 ISA.
> 
> - is_lp64_target detects 64-bit/32-bit pointers.
> 
> Thus:
> 
>   is_amd64_regs_target && is_lp64_target  == 64-bit
>   is_amd64_regs_target && !is_lp64_target == x32
>   !is_amd64_regs_target                   == 32-bit
> 
> See intro comments to is_amd64_regs_target and proc is_x86_like_target.

Thanks,  looks like just "is_amd64_regs_target" is what I want.

Thanks,
Markus.
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